Antenna virtualisation in wireless communication environment

FIELD: information technology.

SUBSTANCE: set of physical transmit antennae can be divided into a plurality of groups of physical transmit antennae. Further, a precoding vector for a particular group of physical transmit antennae from the plurality of groups of physical transmit antennae can be formulated. Furthermore, the particular group of physical transmit antennae can form a particular virtual antenna. By way of another example, another precoding vector for another group of physical transmit antennae from the plurality of groups of physical transmit antennae can be formulated, and the other group of physical transmit antennae can form another virtual antenna. The precoding vector can be applied to a signal for transmission over the particular virtual antenna, and the other precoding vector can be applied to another signal for transmission over the other virtual antenna.

EFFECT: efficient use of a physical transmit antenna and power amplifiers associated with the physical transmit antenna.

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CROSS-REFERENCE RELATED APPLICATION

[0001] This patent application claims the priority of provisional application No. 61/149,325, entitled "A METHOD AND APPARATUS FOR MAPPING VIRTUAL ANTENNA'S IN A WIRELESS COMMUNICATION SYSTEM", filed on 2 February 2009. The content of the above application is included herein by reference.

The technical FIELD TO WHICH the INVENTION RELATES.

[0002] the Following description relates generally to wireless communications, and more specifically, to the implementation of the antenna virtualization in a wireless communication system.

PRIOR art

[0003] wireless communication Systems are widely used to provide various types of communication, such as, for example, voice and/or data may be issued with such wireless communication systems. Conventional wireless communication system or network can provide access to multiple users to one or more resources shared (e.g., bandwidth, transmit power...). For example, the system may use various methods of multiple access, such as multiplexing frequency division multiplexing (FDM), multiplexing with time division multiplexing (TDM)multiplexing code division multiplexing (CDM), the multiplexing orthogonal frequency division multiplexing (OFDM) and others.

[0004] Typically, wireless communication systems multiple is about access can simultaneously support communication for multiple user equipments (UE). Each UE may communicate with one or more base stations via transmissions on forward and reverse links. Downward communication refers to the communication line from the base stations to the equipments UE, and upward communication refers to the communication line from the equipments UE to the base stations. This communication link may be established using a system with a single input and single-output (SISO)systems with multiple inputs and a single output (MISO)systems with multiple inputs and multiple outputs (MIMO).

[0005] the MIMO System typically employ many (NT) transmission antennas and multiple (NRof antennas of the reception data. A MIMO channel formed by NTantennas transmit and NRthe receiving antennas may be decomposed into NSindependent channels, which may be referred to as spatial channels, where NS≤{NTNR}. Each of the NSindependent channels corresponds to a dimension. In addition, the MIMO system can provide improved performance (e.g., increased spectral efficiency, higher throughput and/or greater reliability)if the additional dimension is created by the antennas of the transmitting and receiving antennas in use.

[0006] the MIMO System may support different methods of duplexing for RA is dividing forward and reverse communication lines in the General physical environment. For example, system duplex transmission with frequency division multiplexing (FDD) may use different field frequencies for the forward and reverse links. Additionally, in systems duplex time division channels (TDD) line and a return line connection can use a common frequency region so that the reciprocity principle made it possible to assess the direct channel of the communication line of the channel of the reverse link.

[0007] wireless communication Systems often use one or more base stations that provide coverage. Conventional base station can transmit multiple data streams for broadcasting, multicasting and/or unicast services, in which the data stream may be a stream of data, which might be of independent interest for the UE. UE in the scope of such a base station may be used to receive one, more than one or all the data streams that are transferred merged thread. Similarly, the UE may transmit data to the base station or another UE.

[0008] a wireless communication Device (e.g., UE, base station...) can be equipped with multiple physical antennas of the transmission. Often the appropriate signals are issued to multiple physical antennas of the transmission. Thus, for example, four signals can be issued for the sing the four physical antennas of the transmission (for example, each physical antenna transmission sends a corresponding one of the four signals...). However, from the preceding can follow significant business expenses. In addition, the implementation of a subset of the set of physical antennas of the transmission can lead to inefficient use of physical antenna transmission, power amplifiers (PA), associated with physical antenna transmission, etc. According to another illustration, the device receiving wireless communication (e.g., UE, base station...) may not be able to accept and/or process many signals sent by multiple physical antennas of the transmission. According to this illustration, the number of physical antennas of the transmission, which is equipped with wireless communication, may exceed the multiple physical transmission antennas supported by the device receiving the wireless.

The INVENTION

[0009] the Following presents a simplified summary of the invention one or more embodiments to provide a basic understanding of such embodiments. This invention is not an extensive overview of all the embodiments, and it is not intended neither to identify key or critical elements of all embodiments, nor to describe the amount of any or all options is sushestvennee. The only purpose is to present some concepts of one or more embodiments in a simplified form as a prelude to the more detailed description that is presented later.

[0010] In accordance with one or more implementation options and their corresponding descriptions of various aspects are described in conjunction with facilitating the implementation of the antenna virtualization in a wireless environment. The set of physical antennas of the transmission can be divided into many groups of physical antennas of the transmission. Additionally, the vector of pre-coding for a specific group of physical antennas of the transmission of many groups of physical antennas of the transmission can be formulated. In addition, a specific group of physical transmission antennas can form a particular virtual antenna. By another example, another vector of pre-coding for different groups of physical antennas of the transmission of many groups of physical antennas of the transmission, can be formulated, and another group of physical transmission antennas can form another virtual antenna. This vector pre-coding can be applied to the signal for transmission over a particular virtual antenna, and another vector of pre-coding can be applied to the other signal on the I transmission according to another virtual antenna.

[0011] According to related aspects, a method that facilitates implementing virtualization antenna in the wireless environment, described in the present description. The method may include dividing a set of physical antennas of the transmission to the many groups of physical antennas of the transmission. Additionally, the method may include the formulation of the vector pre-coding for a specific group of physical antennas of the transmission of many groups of physical transmission antennas, and a specific group of physical antennas of the transmission forms a specific virtual antenna. Furthermore, the method may include applying a vector of pre-coding to the signal for transmission over a particular virtual antenna.

[0012] Another aspect relates to a wireless device. The wireless device may include a memory that stores commands related to the separation of a set of physical antennas of the transmission to the many groups of physical transmission antennas, generating a vector of pre-coding for a specific group of physical antennas of the transmission of many groups of physical antennas of the transmission in which the particular group of physical antennas of the transmission forms a specific virtual antenna, and the application of the vector pre-coding to the signal for transmission over the spiral is Noah virtual antenna. Additionally, the wireless device may include a processor connected to the memory, configured to execute commands stored in memory.

[0013] Another aspect relates to a wireless communication device, which enables the antenna virtualization in a wireless environment. The wireless communication may include means for dividing a set of physical antennas of the transmission to the many groups of physical transmission antennas, and each of the groups corresponds to a respective virtual antenna. Additionally, wireless communication may include means for generating respective vectors pre-coding for many groups of physical antennas of the transmission. In addition, wireless communication may include means for implementing pre-coding for transmission, using the appropriate vectors pre-encoding.

[0014] Another aspect relates to a computer program product, which can include machine-readable media. Machine-readable medium can include code for dividing a set of physical antennas of the transmission to the many groups of physical transmission antennas, and each of the groups corresponds to a respective virtual is Noah antenna. In addition, machine-readable medium may include code for generating the corresponding vectors pre-coding for many groups of physical antennas of the transmission. Additionally, the machine-readable medium can include code for implementing the pre-coding signals for transmission using appropriate vectors pre-encoding.

[0015] In accordance with another aspect, the wireless device may include a processor, where the processor may be configured to separate a set of physical antennas of transmission in many groups of physical antennas of the transmission. In addition, the processor may be configured to formulate a vector of pre-coding for a specific group of physical antennas of the transmission of many groups of physical antennas of the transmission, when this specific group of physical antennas of the transmission forms a specific virtual antenna. Additionally, the processor may be configured to apply a vector of pre-coding to the signal for transmission over a particular virtual antenna.

[0016] For execution of the preceding and related tasks in one or more embodiments include the signs, is fully described below and specified in the formula the image is to be placed. The following description and appended drawings in detail formulate specific illustrative aspects of one or more embodiments. However, these dimensions are indicate only some of the various ways in which can be used the principles of various embodiments, and describes the different ways of implementation are intended to include all such aspects and their equivalents.

BRIEF DESCRIPTION of DRAWINGS

[0017] FIG. 1 is an illustration of a wireless communication system in accordance with various aspects described in the present description.

[0018] FIG. 2 is an illustration of an exemplary system that uses the antenna virtualization in a wireless environment.

[0019] FIG. 3 is an illustration of an exemplary system that formulates a vector of pre-encoding, the corresponding virtual antenna in the wireless environment.

[0020] FIG. 4 is an illustration of an exemplary system that performs virtualization antennas in the UE in the wireless environment.

[0021] FIG. 5 is an illustration of an exemplary system that performs virtualization antennas in the base station in the wireless environment.

[0022] FIG. 6 is an illustration of an exemplary system that uses virtual ports antenna for sending signals in the wireless environment the ligature.

[0023] FIG. 7 is an illustration of an exemplary method that facilitates the implementation of the antenna virtualization in a wireless environment.

[0024] FIG. 8 is an illustration of an exemplary method that facilitates the resolution of hereditary compatible patterns through improved use of virtualization antenna in the wireless environment.

[0025] FIG. 9 is an illustration of an exemplary UE that uses the antenna virtualization in a wireless communication system.

[0026] FIG. 10 is an illustration of an exemplary system that installs and uses a virtual antenna in the wireless environment.

[0027] FIG. 11 is an illustration of an exemplary wireless network environment that can be used in conjunction with the various systems and methods described in the present description.

[0028] FIG. 12 is an illustration of an exemplary system that can be used to implement the antenna virtualization in a wireless environment.

DETAILED DESCRIPTION

[0029] Different ways of implementation are described below with reference to the drawings, in which similar reference positions are used to refer to similar elements throughout. In the following description to explain formulated numerous specific details to provide a complete understanding of one or more options for the implementation of the population. However, it may be clear that such an option(s) can be implemented without these specific details. In other cases, known structures and devices are shown in the form of a flowchart, in order to facilitate describing one or more embodiments.

[0030] as Used in the present invention, the terms "component," "module," "system" and the like are intended to refer to the associated computer object, hardware, a combination of hardware and software, software, software in execution. For example, a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program and/or computer. By way of illustration, both an application running on the computing device and the computing device can be a component. One or more components can reside within a process and/or thread of execution and a component may be localized on one electronic device and/or distributed between two or more electronic devices. Additionally, these components can execute from various machine-readable media having various data structures stored on them. Component is s can communicate via local and/or remote processes, for example, in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or through a network such as the Internet with other systems via the signal).

[0031] the Methods described in the present description, can be used for various wireless communication systems, such as multiple access, code division multiple access (CDMA)systems, multiple access with time division multiplexing (TDMA)systems, multiple access frequency division multiple access (FDMA)systems, multiple access orthogonal frequency division multiplexing (OFDMA)systems, multiple access frequency division multiplexing with a single carrier (SC-FDMA and other systems. The terms "system" and "network" are often used interchangeably. A CDMA system may implement a radio technology such as universal terrestrial radio access (UTRA), cdma2000, etc. UTRA includes wideband CDMA (W-CDMA) and other variants of CDMA. cdma2000 covers standards IS-2000, IS-95 and is-856. A TDMA system may implement a radio technology such as global system for mobile communications (GSM). An OFDMA system may implement a radio technology such as enhanced UTRA (E-UTRA), transmission in broadband dia is the azone for mobile devices (UMB), IEEE 802.11(Wi-Fi), IEEE 802.16(WiMAX), IEEE 802.20, flash-OFDM, etc. UTRA, E-UTRA are part of the universal mobile communication system (UMTS). The project's long-term development (LTE) is a release of UMTS that uses E-UTRA, which employs OFDMA on the downlink and SC-FDMA for uplink communication. UTRA, E-UTRA, GSM, UMTS and LTE are described in documents from an organization "partnership Project third generation (3GPP). cdma2000 and UMB are described in documents from an organization "partnership Project third generation 2" (3GPP2). Additionally, such wireless communication systems may additionally include peer-to-peer (e.g., between mobile objects) network system, ad hoc, often using unpaired unlicensed spectrums, wireless LAN 802.xx, BLUETOOTH, and any other means of wireless communication in the middle or long range.

[0032] Multiple access frequency division multiplexing with a single carrier (SC-FDMA) uses the modulation of a single carrier and equalization in the frequency domain. SC-FDMA has similar performance and essentially the same full complexity as those of OFDMA system. The signal SC-FDMA has a lower ratio of peak power to average (PAPR) because of its inherent structure with a single carrier. SC-FDMA can be used, for example, in communications uplink communications where lower PAPR significantly better for the equipment is s UE in terms of the efficiency of power transmission. Accordingly, the SC-FDMA can be implemented as a multiple access uplink communication in the project long-term development of 3GPP (LTE) or Enhanced UTRA.

[0033] in Addition, various embodiments of described in the present description with reference to the user equipment UE. The UE may also be called a system, subscriber unit, subscriber station, mobile station, mobile device, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, the user's device or access terminal. The UE may be a cellular phone, phone, phone according to the Session Initiation Protocol communications (SIP), the local station communication (WLL), a personal digital assistant (PDA), a handheld device having wireless connection, computer or other processing device connected to a wireless modem. In addition, different ways of implementation are described in the present description with reference to the base station. The base station can be used for communication with the UE(equipments UE) and may also be called an access point, Node B, or some other terminology.

[0034] furthermore, the term "or" p is nachatsja, to denote including "or"not exclusive "or". Thus, unless otherwise specified or it is not clear from the context, "X employs A or B" is intended to denote any of the natural involving permutations. Thus, the phrase "X employs A or B" is satisfied by any of the following cases: X employs A; X employs B; or X employs both A and B. In addition, specify only numbers that are used in this application and appended claims should generally be construed to mean "one or more"unless specified otherwise or it is not clear from the context that should be focused on a single form.

[0035] Various aspects or characteristics described in the present description may be implemented as a method, device, or product of manufacture using standard programming and/or engineering methods. The term "product manufacturing", as used in the present description, is intended to refer to a computer program accessible from any machine-readable device, carrier or media. For example, machine-readable media may include, but are not limited to, magnetic storage devices (e.g. hard disk, floppy disk, magnetic tape etc), optical disks (such as compact disc (CD), universal is his or disk (DVD), etc.), smart card and flash memory devices (e.g., erasable programmable permanent memory, card, stick, key device and so on). Additionally, various storage media described in the present description, can represent one or more devices and/or other machine readable media for storing information. The term "machine readable medium" can include, without being limited, wireless channels and various other media capable of storing content and/or the transfer of commands(teams) and/or data.

[0036] Referring now to Fig. 1, the system 100 is illustrated in accordance with various implementation presented in this description. The system 100 includes base station 102, which may include multiple groups of antennas. For example, one group of antennas may include antennas 104 and 106, another group may contain antennas 108 and 110, and an additional group may include antennas 112 and 114. Two antennas are illustrated for each group of antennas; however, more or fewer antennas may be used for each group. Base station 102 can additionally include a transmitter circuit and a receiver circuit, each of which may in turn contain a number of components associated with signal transmission and signal reception (e.g. the, processors, modulators, multiplexers, demodulators, demultiplexes, antennas and so on), as will be appreciated by a person skilled in the technical field.

[0037] the base station 102 can communicate with one or more user equipments (UE), such as UE 116 and UE 122; however, it should be appreciated that base station 102 can communicate with essentially any number of equipments UE, such equipments UE 116 and 122. Equipment UE 116 and 122 can be, for example, cellular phones, smartphones, laptops, handheld communication devices, handheld computing devices, satellite radios, global positioning, assistant PDA and/or any other suitable device for communication system 100. As shown, UE 116 is in communication with antennas 112 and 114, where antennas 112 and 114 transmit information to UE 116 in a straight line 118 and receive information from UE 116 through a return line 120. In addition, UE 122 is in communication with antennas 104 and 106, where the antenna 104 and 106 transmit information to UE 122 in a straight line 124 and receive information from UE 122 through a return line 126. In the system with duplex transmission with frequency division multiplexing (FDD) direct link 118 may use different frequency range from the reverse link 120, and a direct communication line 124 can be used on the personal frequency range from the reverse line 126, for example. Additionally, in the system of duplex time division channels (TDD) is a direct communication line 118 and reverse link 120 may use a common frequency band and a direct communication line 124, and a return line 126 may use a common frequency range.

[0038] Each group of antennas and/or the area in which they are defined for communication, may be referred to as a sector of the base station 102. For example, groups of the antenna can be designed to communicate with the equipments UE in a sector of the areas covered by base station 102. Communication direct communication lines 118 and 124, the transmitting antennas of the base station 102 can use the formation of the pattern to improve the signal-to-noise direct communication lines 118 and 124 for equipments UE 116 and 122. In addition, while the base station 102 uses the formation of a pattern for transferring equipments UE 116 and 122, which are located randomly on the associated scope, equipment UE in the neighboring cells can be subject to less interference as compared with transmission of the base station with a single antenna to all its equipment UE.

[0039] According to the example, a UE (e.g., UE 116, UE 122...) may include multiple physical antennas of the transmission. Conventional equipment UE often include one physical what kind of antenna transmission; thus, such conventional equipment UE usually send a signal to one physical antenna transmission. On the contrary, UE 116 and/or UE 122 may include multiple physical antennas of the transmission (e.g., two, four, any integer greater than 1...). For example, UE 116 and/or UE 122 can be equipments UE extended project long-term development (LTE-A), which include multiple physical antennas of the transmission.

[0040] the UE 116 and/or UE 122 can create a virtual antenna(s) through the implementation of pre-coding. Installation of virtual antennas(antennas), by applying pre-coding may allow efficient use of power amplifiers (PA), associated with multiple physical antennas transmit at the same time performing transmission on the virtual antenna(s). By way of illustration, UE (e.g., UE 116, UE 122...) may include two physical antenna transmission, each of which can be associated with the corresponding PA. If the virtual antenna is not installed and the UE has one signal to make one of the two physical antennas of the transmission, one of the two antennas PA is used, while the other RA remains unused; therefore, the UE resources are inefficiently used. Instead, the UE can virtualize these two physical EN any transmission, so they were the only virtual antenna. Additionally, the UE may send one signal over a single virtual antenna, which leads to the fact that the signal is transmitted on two physical antennas of the transmission using two antennas PA assosiated with it. Accordingly, the UE resources can be used more effectively in comparison with conventional methods, which are not able to enlarge the virtual antenna(s). In addition, two physical antenna transmission, which form a virtual antenna may be a single antenna from an external point of view (for example, from the perspective of base station 102, which receives the signal from UE...). It should be appreciated, however, that the stated object of the invention is not limited to the above illustration.

[0041] By means of another example, base station 102 may include multiple physical antennas of the transmission. The number of physical antennas of the transmitting base station 102 may be larger than the number of antennas, notify to the UE 116 and/or UE 122 (for example, legacy UE (equipment UE), LTE-A UE(equipment UE)...). Thus, the base station 102 can implement virtualization antenna to benefit from the use of full power antenna amplifiers PA associated with multiple physical antennas of the transmission and to provide a hereditary with the gr structure.

[0042] As formulated in the present description, the wireless communication device (e.g., base station 102, UE 116, UE 122...) can set the virtual antenna(s) from a set of physical antennas of the transmission. In addition, virtualization antenna may be transparent to devices receiving wireless communication (e.g., UE 116, UE 122, base station 102...); thus, the receiving wireless device may not be notified of virtualization antenna implemented by the wireless communication device, prior to the encoding performed by the wireless communication and the like, for Example, forming a virtual antenna(antennas) base station 102 may be transparent to the UE 116 and/or UE 122. Similarly, for example, installation of virtual antennas(antennas) UE (e.g., UE 116, UE 122...) can be transparent to the base station 102.

[0043] By means of another example, virtualization antenna can be opaque. Thus, wireless communication, which forms a virtual antenna(s)may indicate that the antenna virtualization is used to determine the pre-coding, which is used etc. device receiving wireless communications. Additionally or alternatively, the device receiving wireless communication can manage the details of virtualization (e.g., through signaling...), and CL is therefore may know about the details of virtualization, implemented by a wireless communication device that forms a virtual antenna(s).

[0044] Now referring to Fig. 2, illustrates a system 200 that uses the antenna virtualization in a wireless environment. The system 200 includes a device 202 wireless communication, which transmits the information, signals, data, instructions, commands, bits, symbols, etc. on the channel (for example, upward communication, downward communication line...) to the device receiving wireless communication (not shown). The device 202 wireless communication, for example, may be a base station (e.g., base station 102 of Fig. 1...), UE (e.g., UE 116 in Fig. 1, UE 122 in Fig. 1...) or similar. In addition, the wireless reception may be, for example, a UE (e.g., UE 116 in Fig. 1, UE 122 in Fig. 1...), base station (e.g., base station 102 of Fig. 1...and so on

[0045] the Device 202 wireless communication may further include component 204 virtualization antennas and multiple physical antennas of the transmission. The device 202 wireless communication may include T physical antennas of the transmission (for example, 1 physical antenna 206 transfer..., and T is the physical antenna 208 transfer), where T can be essentially any integer greater than 1. T physical antennas 208 transfer, including Fizicheskaya 1 206 transmission... and T physical antenna 208 transmission, hereinafter referred to as the physical antennas 206-208 transmission. Additionally, the component 204 virtualization antenna may support multiple virtual antennas. For example, the number of virtual antennas provided by the component 204 virtualization antenna may be less than or equal to the number of physical antennas 206-208 transmission (for example, the number of virtual antennas is an integer smaller than or equal to T,...).

[0046] Component 204 virtualization antenna can implement pre-coding for the effective use of physical antennas 206-208 transmission, as well as PA amplifiers respectively associated with physical antennas 206-208 transmission. For example, the component 204 virtualization antenna may use the corresponding vector of pre-coding for virtual antenna supported it. Thus, if two virtual antennas formed, the component 204 virtualization antenna can use two vectors pre-coding, where each of the virtual antennas associated with the corresponding vector of pre-coding; however, it should be appreciated that the claimed subject matter is not limited to this. The vector of pre-coding can be used for the wording in Stalnoy antenna from multiple physical antennas 206-208 transmission (for example, a set of physical antennas 206-208 transmission, a subset of the set of physical antennas 206-208 transfer...).

[0047] By way of example, the device 202 wireless communication may include two physical antenna transmission (for example, physical antenna 1 206 transmission and the physical antenna T 208 transfer...). In addition, the component 204 virtualization antenna can support one virtual antenna formed from two physical antennas of the transmission, and thus can use the same vector of pre-coding. For example, the vector of pre-coding for virtual antenna can be a vector of 2-on-1 such as [α β]. According to this example, the signal X, which must be sent to the virtual antenna can be accepted component 204 virtualization antenna. Component 204 virtualization antenna can apply the vector pre-coding to the signal X. Thus, the component 204 virtualization antenna may multiply the signal, X, α to obtain the result of the first signal output, which should be sent to the first physical antenna transmission (for example, physical antenna 1 206 transfer...),. In addition, the component 204 virtualization antenna may multiply the signal, X, β to obtain the result of the second signal output, which should be sent to the second physical antenna transmission (who, for example, physical antenna T 208 transfer...). On the receiver side device receiving wireless communication (not shown) can effectively see a single antenna transmission after the unification of the channel (for example, if the device receiving wireless has a single antenna reception...). Considered, however, that the claimed object is not limited to the previous example.

[0048] With reference to Fig. 3 illustrates a system 300, which formulates the vector of pre-encoding, the corresponding virtual antenna in the wireless environment. The system 300 includes a device 202 wireless communication, which can send a signal(s) through the channel (for example, upward communication, downward communication line...). The device 202 wireless communication may include component 204 virtualization antennas and multiple physical antennas of the transmission (for example, physical antenna 1 206 transfer..., and T is the physical antenna 208 transfer).

[0049] the Device 202 wireless communication may further include component 302 generate a vector of pre-coding, which can formulate a vector of pre-coding for virtual antenna. For example, the component 302 generate a vector of pre-coding can select multiple virtual antennas, which will be formed from T physical is such antennas 206-208 transmission. In addition, the component 302 generate a vector of pre-coding can generate the corresponding vector of pre-coding for each virtual antenna, which should be generated.

[0050] According to the illustration, where device 202 wireless is a UE, the details of virtualization, including the number of virtual antennas, which must be formed, and the vector of pre-coding for each virtual antenna can be initiated using the UE directly through component 302 generate a vector of pre-coding. Additionally or alternatively, such details of virtualization can be semi-signaled by the base station and accepted by the UE (for example, device 202 wireless...). Thus, the component 302 generate a vector of pre-coding (and/or component 204 virtualization antenna...) may collect adopted information that specifies the number of virtual antennas that can be formed and/or the vector of pre-coding for each virtual antenna.

[0051] according To another illustration, the device 202 wireless communication may be a base station. Accordingly, the base station can use the component 302 Generalova the Oia vector pre-coding to get in the details of virtualization includes the number of virtual antennas, which must be formed, and the vector of pre-coding for each virtual antenna.

[0052] Although not shown, the vector(s) pre-coding, obtained, collected, etc. component 302 generate a vector of pre-coding can be stored in memory device 202 wireless. Additionally, the vector(s) pre-coding can be extracted component 204 virtualization antenna when implementing pre-coding, as described in the present description. The memory can store data that must be transmitted, received data, and any other pertinent information relative to performing the various actions and functions set forth in this description. It will be appreciated that the data store (e.g., memory,...) described in the present description, can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. By way of illustration and not limitation, nonvolatile memory can include a permanent storage device (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable PROM (EEPROM) or flash memory. Volatile memory can on the ing themselves random access memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in many forms such as synchronous RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM)SDRAM double data rate (DDR SDRAM), enhanced SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and direct Rambus RAM (DRRAM). The memory of the claimed systems and methods is intended to include, without being limited to, these and any other suitable types of memory.

[0053] Now referring to Fig. 4, illustrates a system 400 that performs virtualization antennas at the UE in the wireless environment. The system 400 includes a UE 402 (e.g., device 202 wireless in Fig. 2...) and base station 404 (for example, a device receiving wireless...). UE 402 can transmit and/or receive information, signals, data, instructions, commands, bits, symbols, etc. UE 402 can communicate with the base station 404 via a direct line of communication and/or reverse link. The base station 404 can transmit and/or receive information, signals, data, instructions, commands, bits, symbols, etc. in Addition, although not shown, considered that any number of equipments UE that is similar to the UE 402 may be included in the system 400 and/or any number of base stations similar to base station 404 may be included in system 400.

[0054] the UE 402 includes multiple the physical antenna transmission (for example, physical antenna 1 206 transfer..., and the physical antenna T 208 transfer). Additionally, UE 402 can include component 302 generate a vector of pre-encoding component 204 virtualization antenna. According to the example, the physical antenna(s) may be generated by the component 302 generate a vector of pre-coding by obtaining the result of the vector(s) pre-coding. For example, L vectors pre-encoding can be set component 302 generate a vector of pre-coding (for example, 1 vector of pre-coding..., and L the vector of pre-coding), where L can be essentially any integer less than or equal to T (for example, where T is the number of physical antennas 206-208 transfer...). Although not shown, the deals that one vector of pre-coding can be generated by the component 302 generate a vector of pre-coding. The vector(s) pre-coding provided by the component 302 generate a vector of pre-coding may allow effective use of PA amplifiers in transmission on the physical antenna(s).

[0055] According to the example, the details of virtualization, which includes a set of virtual antennas, which ought to be the ü is formed, and the vector of pre-coding for each virtual antenna may be initiated by the UE 402 directly using component 302 generate a vector of pre-coding. Additionally or alternatively, such details of virtualization can be semi-signaled by the base station 404 to the UE 402. Therefore, the component 302 generate a vector of pre-coding (and/or component 204 virtualization antenna...) may collect adopted information that specifies the number of virtual antennas that can be formed and/or the vector of pre-coding for each virtual antenna.

[0056] as an additional example details regarding pre-coding for forming a virtual antenna(NN) can be transparent with respect to the base station 404. Thus, the UE 402 can use the virtual antenna(s) through the implementation of pre-coding without specifying the base station 404 that such virtualization is implemented. However, it is also considered that virtualization antenna made UE 402 may be opaque with respect to the base station 404, and thus, the base station 404 may have knowledge about running UE 402 virtualization antenna.

[0057] the UE 402 can transmit information is the situation, signals, data, instructions, commands, bits, symbols, etc. in the ascending line of communication to the base station 404. The signal uplink communication can be an OFDM signal, a pre-coded by (DFT) the discrete Fourier transform (for example, the FDM signal with a single carrier (SC-FDM)...). Signal with a single carrier may have a lower peak-to-average compared to the signal with multiple bearing, which can lead to greater efficiency in RA. Thus, the component 302 generate a vector of pre-coding can try to reduce the chance of generating a signal with a lot of bearing in the physical antenna 206-208 transfer to the maximum extent possible, by creating a virtual antenna(antennas). Accordingly, the component 302 generate a vector of pre-coding may adopt different rules, as described in the present description, to obtain the result of selecting the antennas based on the vector(s) pre-encoding.

[0058] Component 302 generate a vector of pre-coding can form a group(s) of physical antennas 206-208 transfer as follows, where a group corresponding to a particular virtual antenna. Suppose that the component 302 generate a vector of pre-coding the training should form an L virtual antennas of T physical antennas 206-208 transmission. Thus, the component 302 generate a vector of pre-coding can divide T physical antennas 206-208 transmission on L groups. Group i refers to a physical antenna(s) transfer of T physical antennas 206-208 transmission (for example, a subset of T physical antennas 206-208 transfer...), which are used to form a virtual antenna i, where i is the index and i=0, 1..., L-1.

[0059] in Addition, the component 302 generate a vector of pre-coding can formulate the vector(s) pre-coding for this group(PP). Component 302 generate a vector of pre-coding can be obtained by a vector of pre-coding in accordance with a specific group, where the vector of pre-coding is the vector of T-1 unit standards with entries different from zero, the corresponding physical antenna transmission in a particular group that are involved in the formation of a particular virtual antenna.

[0060] According to the example, suppose that two virtual antennas (for example, L=2...) should be formed of the four physical antennas 206-208 transmission (for example, T=4...). Two virtual antennas may include a virtual antenna 1 and the virtual antenna 2, and four physical antennas of the transmission may include 1 physical antenna transmission,the physical transmission antenna 2, physical antenna 3 assists, and physical antenna 4 assists. According to this example, an example of grouping, which can be formed by component 302 generate a vector of pre-coding can be{{3, 4} {1, 2}}, where the first group corresponding to the virtual antenna 1 includes a physical antenna 3 assists and physical antenna 4 assists, and a second group corresponding to the virtual antenna 2 includes the physical transmission antenna 1 and antenna 2 transmission. Additionally, the component 302 generate a vector of pre-coding can formulate the first vector of pre-coding (for example, vector 1 pre-coding...) for virtual antenna 1, such as: [0 0 ejD1ejD2]/sqrt(2), and the second vector of pre-coding (e.g., vector 2 pre-coding...) for virtual antenna 2, such as: [0 0 ejD3ejD4]/sqrt(2), where the phase values can be different for different frequency tones (e.g., resources,...) and/or may change in time. It should be appreciated, however, that the stated object is not limited to the previous example.

[0061] By means of another example, two virtual antennas (for example, L=2,...) can be formed from four physical antennas 206-208 transmission (for example the EP, T=4...). Again, two virtual antennas may include a virtual antenna 1 and the virtual antenna 2, and four physical antennas of the transmission, may include physical antenna 1 transmission, the physical transmission antenna 2, the physical antenna 3 assists and physical antenna 4 assists. For example, the component 302 generate a vector of pre-coding can be obtained by two vectors pre-coding, each has a size T-1 (e.g., 4-in-1...). Vector 1 preliminary coding for virtual antenna 1, the articulated component 302 generate a vector of pre-coding can be [α β γ δ], and the vector 2 pre-coding for the virtual antennas 2, the articulated component 302 generate a vector of pre-coding may be [a b c d]. In addition, the first signal X, can be sent across a virtual antenna 1, which uses the vector 1 pre-coding [α β γ δ], while the second signal Y can be simultaneously sent to the virtual antenna 1, which uses the vector 2 pre-coding [a b c d]. Thus, the component 204 virtualization antenna can implement pre-coding up until the first signal X and the second Y signal using the vector 1 preliminary coding and age of the PRS 2 pre-coding. Accordingly, X is multiplied by α plus Y times and can be sent on the physical transmission antenna 1, X multiplied by β plus Y times b can be sent on the physical transmission antenna 2, X multiplied by γ plus Y times c can be sent on the physical antenna 3 assists, and X multiplied by δ plus Y times d can be sent on the physical antenna 4 assists. To support nature is the only carrier of the OFDM signal pre-coded by DFT passed upward communication by the UE 402 to the base station 404, α or a is zero, β or b is zero, γ or c is zero and δ or d is zero. Accordingly, each physical antenna 206-208 may be used for one virtual antenna (e.g., virtual or virtual antenna 1 antenna 2 in the above example...) so that the transmission of multiple signals on a single physical antenna transmission can be avoided; therefore, each physical antenna 206-208 transmission can transmit a signal with a single carrier, regardless of whether sent if different signals simultaneously on different virtual antennas. It should be appreciated, however, that the stated object of the invention is not limited to the previous example.

[0062] Component 302 generating vector prior Kodirov the deposits can induce virtual antenna, which is formed, for using the subset of physical antennas 206-208 transmission. Throughout the physical antenna(am) transmission, the value of(I)different from zero, can be included in the corresponding position(s)corresponding to the subset of the physical antenna(NN) transfer of the vector pre-coding generated for virtual antenna. In addition to the physical antenna(antenna) transmission, which is not included in the subset, a null value(I) may be included in the relevant item(s) in the vector pre-coding generated for virtual antenna.

[0063] in Addition, after the virtual antennas were formed, the virtual antenna can be considered as the physical antenna transmission from a data perspective, the reference signal and control. For example, if the UE 402 has four physical antennas 206-208 transmission component 302 generate a vector of pre-coding can virtualize four physical antennas 206-208 transmission in two virtual antennas. After implementing virtualization UE 402 can be considered as having two antenna transmission (for example, two virtual antennas...) even though it actually has four physical antennas 206-208 transmission. Additionally, the base station 404 may consider the UE 402 as having two antenna transmission is (for example, two virtual antennas...), and different reference signals, control data, etc. can be taken from these two antennas UE 402 transfer.

[0064] Referring to Fig. 5, illustrates a system 500 that performs virtualization antennas in the base station in the wireless environment. The system 500 includes a base station 502 (e.g., device 202 wireless in Fig. 2, the base station 404 in Fig. 4...) and UE 504 (e.g., wireless communication reception, the UE 402 in Fig. 4...). The base station 502 may transmit and/or receive information, signals, data, instructions, commands, bits, symbols, etc. base station 502 can communicate with the UE 504 via a direct line of communication and/or reverse link. The UE 504 may transmit and/or receive information, signals, data, instructions, commands, bits, symbols, etc. in Addition, although not shown, considered that any number of base stations similar to base station 502 may be included in the system 500 and/or any number of equipments UE that is similar to the UE 504 may be included in system 500.

[0065] the base station 502 includes multiple physical antennas of the transmission (for example, physical antenna 1 206 transfer..., and the physical antenna T 208 transfer). Additionally, the base station 502 may include component 302 generate a vector of pre-codiovan the component 204 virtualization antenna. According to the example, the virtual antenna(s) may be generated by the component 302 generate a vector of pre-coding, resulting in the vector(s) pre-coding. For example, L vectors pre-encoding can be set component 302 generate a vector of pre-coding (for example, vector 1 preliminary coding... and the vector of the L pre-coding), where L can be essentially any integer less than or equal to T (for example, where T is the number of physical antennas 206-208 transfer...). Although not shown, the deals that one vector of pre-coding can be generated by the component 302 generate a vector of pre-coding. The vector(s) pre-coding provided by the component 302 generate a vector of pre-coding may allow effective use of PA amplifiers during transmission through the virtual antenna(s), allowing the base station 502 to benefit from the use of full power amplifiers PA.

[0066] in Addition, the base station 502 may include a component 506 notice, which may indicate the number of antennas of the UE 504. For example, the specified number of antennas may be a number of virtual antennas formed component 302 generation is the generation of the vector pre-encoder and/or used by the component 204 virtualization antenna. Many physical antennas 206-208 transmission included in the base station 502 may be a large number of antennas than the number notified component 506 notification to the UE 504 (for example, legacy UE, the LTE-A UE...). For example, in Release 8 LTE maximum number of physical antennas of the transmitting downlink can be four, while in LTE-A maximum number of physical antennas of the transmitting downlink may be eight. Thus, if the UE 504 is a legacy UE (e.g., Release 8 LTE UE...), working in LTE-A, where the base station 502 includes eight physical antennas 206-208 transmission (e.g., T=8...), then the component 506 notice may signal to the UE 504, the base station 502 includes four antenna transmission (or less than four antenna transmission). Therefore, virtualization antenna can support legacy equipment UE, providing structure compatibility of inheritance. It should be appreciated, however, that the stated object of the invention is not limited to the above illustration.

[0067] Additionally, legacy (traditional) equipment UE (equipment UE) and not inherited equipment UE (equipment UE) (e.g., LTE-A UE (equipment UE)...) can co-exist and operate in the shared network. Virtualization antenna can use the I for legacy equipment UE (equipments UE) (e.g., forming four or fewer virtual antennas of the eight physical antennas 206-208 transmission base station 502 for legacy equipment UE (equipments UE)...). According to the example, virtualization antenna can be used for not inherited equipment UE (equipments UE) (e.g., forming four or fewer virtual antennas of the eight physical antennas 206-208 transmission base station 502 for not inherited equipment UE (equipments UE)...). As another example, virtualization antenna should not be used for non-legacy equipment UE (equipments UE), while virtualization antenna is used for legacy equipment UE (equipments UE). Thus, the component 506 notice may specify the number of physical antennas 206-208 transmission base station 502 or the number of virtual antennas, formulated component 302 generate the vector pre-encoder and implemented component 204 virtualization antenna for non-legacy UE (e.g. the UE 504...). Following the above figure, where component 506 notice signals of the legacy UE, the base station 502 includes four (or less) antenna transmission (e.g., four or less virtual antenna...), not eight physical antennas 206-208 transmission component one may additionally signal is not inherited UE, that the base station 502 includes four (or less) antenna transmission (e.g., four or less virtual antenna...) or eight antennas (for example, eight physical antennas 206-208 transfer...).

[0068] Additionally, for the scenario downlink virtualization can be transparent to the UE 504. Thus, the UE 504 may lack the knowledge of the details of virtualization used by the base station 502, such as, for example, the virtualization, which is implemented using the vector(s) pre-coding to generate a vector(s) pre-coding, etc.

[0069] the Signal used for the downlink may be an OFDM signal. Thus, the constraints used by the virtualization antenna uplink communication (as described according to Fig. 4), should not be used in the system 500. For example, multiple signals can be transmitted simultaneously over a particular physical antenna transmission (for example, from the physical antennas 206-208 transfer...) and therefore the signal should not be the only carrier signal. However, it should be appreciated that the claimed subject matter is not limited to this.

[0070] Component 302 generate a vector of pre-coding can virtualize physical antennas 206-208 as follows. For example, the R, the mapping from the physical antennas 206-208 transmission on the virtual antenna(s)can be any vector of pre-encoding unit norm. The vector(s) pre-coding can be designed in such a way that the dimension of the virtual channel is not reduced beyond the desired number of virtual antennas(NN). For example, the component 302 generate a vector of pre-coding can divide the physical antennas 206-208 transmission into groups, where each group corresponds to one virtual antenna. Component 302 generate a vector of pre-coding may issue in the vector pre-coding for each group. For example, the vector of pre-coding for a specific group can be a vector of unit norm with entries other than zero, the corresponding physical transmission antennas in a particular group who participate in one virtual antenna. Another illustration, the component 302 generate a vector of pre-coding may use fixed vectors pre-coding (e.g., different columns of the DFT matrix as vectors pre-coding for the virtual antennas...).

[0071] in Addition, after the virtual antennas were formed, these virtual ante the us can be considered as a physical antenna transmission from the point of view of data reference signal and control. For example, if the base station 502 has four physical antennas 206-208 transmission component 302 generate a vector of pre-coding can virtualize four physical antennas 206-208 transmission in two virtual antennas. After sequencing the base station 502 can be viewed as having two antenna transmission (for example, two virtual antennas...) even though it actually has four physical antennas 206-208 transmission. Additionally, the UE 504 may consider base station 502 as having two antenna transmission (for example, two virtual antennas...) and different reference signals, control data, etc. can be taken from these two transmission antennas of the base station 502.

[0072] Now referring to Fig. 6, illustrated is a system 600 that uses virtual ports antenna for sending signals to the wireless environment. The system 600 includes a device 202 wireless communication (e.g., UE 402 in Fig. 4, base station 502 in Fig. 5...). The device 202 wireless communication may further include component 204 virtualization antennas and multiple physical antennas of the transmission (for example, 1 physical antenna 206 transfer..., and T is the physical antenna 208 transfer). In addition, L virtual antennas may be formed from m is Oresta physical antennas 206-208 transmission (for example, through component 302 generate a vector of pre-coding in Fig. 3...). Thus, the device 202 wireless communication may include ports L virtual antennas (for example, port 1 virtual antenna 602..., and port L virtual antennas 604)that can be used to send corresponding signals.

[0073] as illustrated, the device 202 wireless communication may include four physical antennas 206-208 transmission (for example, T=4...). In addition, two virtual antennas (for example, L=2...) can be formed from four physical antennas 206-208 transmission. Thus, the wireless device 202 may include two ports of the virtual antennas 602-604. Additionally, the first signal that should be sent to the first virtual antenna may be issued to the first port of the virtual antenna (for example, port 1 virtual antenna 602...), and the second signal, which must be sent to the second virtual antenna may be issued to the second port of the virtual antenna (for example, port L L virtual antennas 604...). Component 204 virtualization antenna can apply the first vector of pre-coding (for example, vector 1 pre-coding...) to the first signal received by the first port number of the virtual antennas, and may apply the second vector will precede the high coding (for example, the vector L pre-coding...) to the second signal received by the second port of the virtual antennas. Accordingly, two signals can be sent on four physical antennas 206-208 transmission following the above illustration (for example, which can lead to reduced utility costs, since less of the reference signals should be generated by the device 202 for wireless transmission...).

[0074] in Addition, vectors pre-coding described in the present description should not be constant in frequency. Virtualization can be displayed, depending on the frequency, to provide additional explode frequency for scenarios plane frequency. Schemes such as the breakdown of cyclic delay (CDD) or phase shift, depending on the frequency in each group is an example of a display dependent on frequency. In addition, if the device 202 wireless communication is the base station (e.g. base station 502 in Fig. 5...), to ensure the legacy UE (not shown) (e.g., UE 504 in Fig. 5...) a reasonable estimate of the channel virtual antennas, display, dependent on frequency, can be uniform and may not be changed rapidly in frequency. Thus, to make a virtual antenna seeming like physical antenna transmission vector prior Cody the Finance can be changed uniformly by colours instead to arbitrarily change the colours.

[0075] Referring to Fig. 7-8, illustrates the ways relating to the use of virtualization antenna in the wireless environment. While for purposes of simplicity of explanation, the methods are shown and described as course of action must be understood and appreciated that the methods are not limited by the order of acts, as some acts, in accordance with one or more variants of implementation, can occur in other orders and/or concurrently with other actions other than those shown and described in the present description. For example, specialists in the art will understand and appreciate that the method may alternatively be represented as an order of interrelated States or events, such as the state diagram. In addition, not all illustrated steps may be necessary to implement the method in accordance with one or more variants of implementation.

[0076] With reference to Fig. 7 illustrates a method 700 that facilitates the implementation of the antenna virtualization in a wireless environment. At step 702, the set of physical antennas of the transmission can be divided into many groups of physical antennas of the transmission. For example, the set of physical antennas of the transmission may include T physical antennas of the transmission, where T may be), the Wu any integer. In addition, the set of T physical antennas of the transmission can be divided into L groups, where L can be essentially any integer less than or equal to T.

[0077] At step 704, the vector of pre-coding can be formulated for a specific group of physical antennas of the transmission of many groups of physical antennas of the transmission. This particular group of physical transmission antennas can form a particular virtual antenna. Additionally, if the set T physical antennas of the transmission is divided into L groups, the L vectors pre-coding can be formulated. In addition, L vectors pre-coding may correspond to L virtual antennas. According to the example, a different vector of pre-coding for different groups of physical antennas of the transmission of many groups of physical antennas of the transmission can be formulated, where another group of physical transmission antennas can form another virtual antenna. At step 706, the vector of pre-coding can be applied to the signal for transmission over a particular virtual antenna. In addition, another vector(s) pre-coding corresponds to a different virtual antenna(s)can be applied to the other signal(s) for transmission over different virtual antenna(s).

[0078] According to the example set Phi is practical antenna transmission may be associated with a user equipment (UE), and the signal may be, for transmission on the uplink communication base station. For example, the number of virtual antennas may be selected to provide (for example, by a UE,...) where the number of virtual antennas may be a number of groups in which the set of physical antennas of the transmission is divided. Additionally, the vector of pre-coding for a specific group (and/or other vector(s) advanced coding for the other group(PP)) can be selected (for example, by a UE,...). Another illustration, indication, which specifies at least one of the multiple virtual antennas for the formation (for example, where multiple virtual antennas may be a number of groups in which the set of physical antennas of the transmission is divided...) or a vector of pre-coding for a specific group (and/or other vector(s) advanced coding for the other group(PP)) can be taken from the base station. In addition, information related to virtualization antenna may be transparent to the base station. Additionally, the signal sent to the upward communication line may be a signal with a single carrier (e.g., signal (OFDM) orthogonal multiplexing frequency division channels, pre-coded by (DFT) discrete Ave is education Fourier). As another example, the vector of pre-coding can be a vector of unit norm, the size of T-on-1 with entries other than zero, the corresponding physical transmission antennas in a particular group, which forms a particular virtual antenna, where T is the number of physical antennas of the transmission in the set. Additionally, the rest of the entries in the vector of unit norm T-at-1 (for example, the corresponding physical transmission antennas not included in a specific group, the corresponding physical transmission antennas associated with a different virtual antenna...) can be zero. In addition, entries other than zero, the vector of pre-coding can be permanent. Additionally, notes, other than zero, the vector of pre-coding can be frequency-dependent and/or time-dependent.

[0079] By means of another example, the set of physical antennas of the transmission can be associated with the base station, and the signal may be, for transmission on the downlink to the user equipment (UE). For example, information related to virtualization antenna can be transparent to the UE. In accordance with the example, the vector of pre-coding can be a vector of unit norm. In accordance with another example of the vector prior to the tiravanija can be a vector of unit norm with records, different from zero, the corresponding physical transmission antennas in a particular group who participate in a specific virtual antenna. Another example refers to the vector of pre-coding, which is the specific column of the matrix of the discrete Fourier transform (DFT), where the other column (s) of the DFT matrix is used for a different virtual antenna(NN). In addition, entries other than zero, the vector of pre-coding can be permanent. Additionally, notes, other than zero, the vector of pre-coding can be frequency-dependent and/or time-dependent.

[0080] Referring to Fig. 8, illustrates a method 800 that facilitates the resolution of legacy compatible structure, increasing the antenna virtualization in a wireless environment. At step 802, the set of virtual antennas may be selected from a set of physical antennas of the transmission. For example, the set of virtual antennas may be installed in the base station. In addition, the set of physical transmission antennas associated with the base station, may include a greater number of physical antennas of the transmission compared to the maximum number of physical antennas of the transmission, which can be inherited by the base station. By example, the set of physical antennas is peredachi, associated with the base station, may include eight physical antennas of the transmission, while the maximum number of physical antennas of the transmission, which can be used legacy base station, may be four physical antennas of the transmission; however, it should be appreciated that the claimed subject matter is not limited to this. At step 804, the number of virtual antennas in the set of virtual antennas may be notified of the legacy user equipment (UE). At step 806, the number of physical antennas of the transmission in the set of physical antennas of the transmission can be notified not inherited UE (for example, corresponding to the expanded project long-term development (LTE-A) UE...). Thus, virtualization can be used for legacy UE (for example, by a notification of the number of virtual antennas in the set of virtual antennas...), while virtualization should not be used for non-legacy UE. However, it is considered further that the number of virtual antennas in the set of virtual antennas may be notified to the legacy UE and/or virtualization can be used for non-legacy UE.

[0081] it Should be appreciated that, in accordance with one or more aspects described in the present description, the logic is ybody, can be made with regard to the implementation of the antenna virtualization in a wireless environment. Used in the present description, the terms "to conclude" or "logical conclusion" in General refers to the process of reasoning or logical inference of States of the system, environment, and/or user from a number of observations that are accumulated with the help of events and/or data. Logical inference can be used to identify a specific context or action, or can generate a probability distribution on the States. The logical conclusion may be probabilistic, that is, the calculation of the probability distribution of interest to the States on the basis of consideration of data and events. The logical conclusion may also apply to the methods used to create high-level events from a set of events and/or data. This conclusion leads to the construction of new events or actions from a set of observed data events and/or stored events are correlated if the event or not in close temporal proximity, and does events and data from one or several event and data sources.

[0082] Fig. 9 is an illustration of a UE 900, which uses the antenna virtualization in a wireless communication system. UE 900 comprises a receiver 902, which receives a signal from, for example, ante who are receiving (not shown), and performs the usual actions (e.g., filters, amplifies, converts with decreasing frequency and so on), receives the signal and converts given to the specific requirements of the signal in digital form to obtain samples. The receiver 902 may be, for example, the MMSE receiver, and may include a demodulator 904, which can demodulate received symbols and give them to the processor 906 for channel estimation. Processor 906 can be a processor dedicated to analyzing information received by receiver 902, and/or generating information for transmission by transmitter 916, a processor that controls one or more components of UE 900 and/or processor for analyzing information received by receiver 902 and to generate information for transmission by transmitter 916, and to control one or more components of UE 900.

[0083] the UE 900 may further comprise a memory 908, which is operatively connected to the processor 906, it can store data to be transmitted, received data, and any other pertinent information relative to performing the various actions and functions set forth in this description. Memory 908, for example, can store protocols and/or algorithms associated with the separation of many physical antennas transmitting to multiple groups, through the formulation of appropriate vectors before alternova coding for multiple groups, etc. In addition, the memory 908 may support vectors pre-encoding.

[0084] it Should be appreciated that the data store (e.g., memory 908)described in the present description can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. By way of illustration and not limitation, nonvolatile memory can include a permanent storage device (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable PROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in many forms such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM)SDRAM double data rate (DDR SDRAM), enhanced SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and direct Rambus RAM (DRRAM). Memory 908 claimed systems and methods is intended to include, without being limited to, these and any other suitable types of memory.

[0085] the Processor 906 may be operatively connected to a component 910 virtualization antenna and/or component 912 generate a vector of pre-coding. Component 910 virtualization antenna can be essentially the such component 204 virtualization antenna of Fig. 2, and/or component 912 generate a vector of pre-coding may be essentially similar component 203 generate a vector of pre-coding in Fig. 3. Component 912 generate a vector of pre-coding may issue as a result of the vector(s) pre-coding associated with the virtual antenna(s)formed from a variety of physical antennas of the transmission (not shown) of the UE 900. In addition, the component 910 virtualization antenna can implement pre-coding (for example, using the vector(s) pre-coding, which are given in the by component 912 generate a vector of pre-coding...) to send signal(s) for transmission over the virtual antenna(s). UE 900 further comprises a modulator 914 and the transmitter 916, which transmits data, signals, etc. to the base station. Although depicted as being separate from the processor 906, it should be appreciated that the component 910 virtualization antenna component 912 generate the vector pre-encoder and/or modulator 914 can be part of processor 906 or multiple processors (not shown).

[0086] Fig. 10 is an illustration of a system 1000, which installs and uses a virtual antenna in the wireless environment. The system 100 includes base station 1002 (e.g., the access point...) with receiver 1010 that receives signal(s) from one or more equipments UE 1004 using multiple antennas 1006, and the transmitter 1024, which performs transmission to one or more equipments UE 1004 using multiple antennas 1008 transfer. The receiver 1010 may receive information from the antenna 1006 receiving and operatively associated with a demodulator 1012, which demodulates received information. Demodulated symbols are analyzed by a processor 1014, which may be similar to the processor described above with reference to Fig. 9, and which is connected to a memory 1016 that stores data that should be transmitted to or received from the UE(equipments UE) 1004 and/or any other relevant information regarding the implementation of the various actions and functions set forth in this description. Processor 1014 is additionally connected to the component 1018 virtualization antenna and/or component 1020 generate a vector of pre-coding. Component 1018 virtualization antenna may be essentially similar component 204 virtualization antenna of Fig. 2, and/or component 1020 generate a vector of pre-coding may be essentially similar component 302 generate a vector of pre-coding in Fig. 3. Component 1020 generate vector prior Cody is Finance may issue as a result of the vector(s) pre-encoding, associated with the virtual antenna(s)formed from a variety of physical antennas 1008 transmission base station 1002. In addition, the component 1018 virtualization antenna can implement pre-coding (for example, through the use of vector(s) pre-coding, which are given in the component 1020 generate a vector of pre-coding...) to send signal(s) by the virtual antenna(s). Although not shown, considered that the base station 1002 may further include a notification component, which may be essentially similar component 506 notice in Fig. 5. Base station 1002 may further include a modulator 1022. Modulator 1022 may multiplex frame for transmission by the transmitter 1024 using antenna 1008 to the UE(equipments UE) 1004 in accordance with the above description. Although depicted as being separate from the processor 1014, it should be appreciated that the component 1018 virtualization antenna component 1020 generate the vector pre-encoder and/or modulator 1022 can be part of processor 1014 or multiple processors (not shown).

[0087] Fig. 11 shows an exemplary system 1100 wireless. The system 1100 wireless depicts one base station 1110 and one UE 1150 for the sake of brevity. Od is ako, it should be appreciated that the system 1100 may include more than one base station and/or more than one UE, in which additional base stations and/or equipment UE may be essentially similar or different from the exemplary base station and UE 1110 1150 described below. Furthermore, it should be appreciated that the base station 1110 and/or UE 1150 can use system (Fig. 1-6, 9-10 and 12) and/or methods (Fig. 7-8), described in the present description, to facilitate wireless communication between them.

[0088] In the base station 1110 traffic data for many data streams issued from a source 1112 data processor 1114 (TX) data. According to the example, each data stream may be transmitted by the corresponding antenna. Processor 1114 TX data formats, encodes, and performs interleaving of the data flow of traffic based on a particular coding scheme selected for that data stream to produce encoded data.

[0089] the Coded data for each data stream may be multiplexed with the data of the pilot signal, using the methods of multiplexing orthogonal frequency division multiplexing (OFDM). Additionally or alternatively, the symbols of the pilot signal can be multiplexed with the frequency-division multiplexing (FDM), multiplexed with a time division multiplexing (TDM)or multiplexed with code division multiplexing (CDM). Data pilot signal are common known data pattern that is processed in a known manner and can be used in UE 1150 to assess the response of the channel. Multiplexed data pilot signal, and the coded data for each data stream may be modulated (e.g., converted to a symbol) based on a particular modulation scheme (e.g., binary phase-shift keying (BPSK), quadrature phase-shift keying (QPSK), M-phase-shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM), and so on)selected for that data stream to produce the modulation symbols. The data rate, coding and modulation for each data stream may be determined by the teams that are performed or provided by the processor 1130.

[0090] the modulation Symbols for the data streams may be issued in the processor 1120 TX MIMO data transmission, which may further process the modulation symbols (e.g., for OFDM). Then, the controller 1120 MIMO TX data issues Ntcharacter streams modulation in Nttransmitters (TMTR) 1122a-1122t. In various aspects, the processor 1120 TX MIMO data transmission uses the weight of the beam forming the symbols of the data streams and to the antenna from which the symbol.

[0091] Each transmitter 1122 receives and processes the corresponding simbolegypt, to provide one or more analog signals, and additionally results in the required conditions (e.g., amplifies, filters and converts with increasing frequency) analog signals to produce a modulated signal suitable for transmission over the MIMO channel. Additionally, Ntmodulated signals from transmitters 1122a-1122t transmitted from the Ntantennas 1124a-1124t, respectively.

[0092] IN the UE 1150 transmitted modulated signals, the Nrantennas 1152a-1152r, and the received signal from each antenna 1152 is issued in the respective receiver (RCVR) 1154a-1154r. Each receiver 1154 results in the required conditions (e.g., filters, amplifies and converts with decreasing frequency) corresponding signal, switches, refer to the specific requirements of the signal in digital form to provide a sample, and optionally processes the samples to provide the transfer of "received" symbol stream.

[0093] the Processor 1160 RX data reception can receive and process the Nraccepted character streams from the Nrreceivers 1154 on the basis of specific processing method of a receiver for the issuance of Nt"detected" symbol streams. The processor 1160 RX receive data can demodulate, reverse interleaving and decoding of each detected symbol stream to recover the traffic data on the I data stream. The CPU 1160 RX receive data is complementary to the processing performed by the processor 1120 MIMO TX data transfer and processor 1114 TX data transmission in the base station 1110.

[0094] the Processor 1170 may periodically determine which available technology to use, as discussed above. Additionally, the controller 1170 may formulate a message back to the line containing the index of the matrix and part of the value of rank.

[0095] the Message back to the communication line may contain various types of information regarding the communication line and/or the received data stream. Message return line can be processed by processor 1138 TX data, which also receives traffic data for a number of data streams from a source 1136 data modulated by the modulator 1180 given to the specific requirements of transmitters 1154a-1154r, and transmitted back to the base station 1110.

[0096] In the base station 1110 modulated signals from UE 1150 accepted antennas 1124, given to the specific requirements of receivers 1122, demodulate the demodulator 1140 and processed by the processor 1142 RX receive data to retrieve the message back line, transferred to the UE 1150. Additionally, the processor 1130 may process the extracted message to determine which matrix pre-coding used in the th to determine the weight of the beam forming.

[0097] the Processor 1130 and 1170 may send (e.g., control, coordinate, regulate, and so on) in the base station and UE 1110 1150, respectively. The appropriate processor 1130 and 1170 may be associated with memory 1132 and 1172, which stores program codes and data. The processor 1130 and 1170 may also perform calculations to obtain estimates of the frequency and impulse response for uplink communication and downlink, respectively.

[0098] In one aspect, the logical channels are classified into control channels and traffic channels. Logical control channels can include a control channel broadcast (BCCH), which is a DL channel for control information system broadcast. Additionally, the logical control channels can include a paging control channel (PCCH), which is a DL channel that transfers paging information. In addition, the logical control channels can include channel management multivisceral (MCCH), which is a DL channel point-to-multipoint used for information transmission planning and management service broadcasting and multicasting multimedia information (MBMS) for one or more channels MTCH. Usually, after a connection control radio-RES is Rami (RRC), this channel is only used equipments UE that receive MBMS (e.g., old MCCH+MSCH). Additionally, the logical control channels may include a dedicated control channel (DCCH), which is a bidirectional channel point-to-point, which transmits specific information management and can be used equipments UE having a RRC connection. In one aspect, logical traffic channels may contain a dedicated trafc channel (DTCH), which is a bidirectional channel point-to-point, dedicated to one UE, for the transfer of user information. In addition, logical traffic channels may include channel multicasting traffic (MTCH) for DL channel point-to-multipoint data traffic.

[0099] In one aspect, the transmission channels are classified on the DL (downlink) and UL (uplink communication). The transmission channels DL contain the channel (BCH), a shared data channel for downlink (DL-SDCH) and a paging channel (PCH). PCH can support the saving power of the UE (for example, a series of discontinuous reception (DRX), may be identified by the network UE...), through broadcast throughout the cell and being displayed on the resources of a physical layer (PHY)that can be used for other channels management/traffic. The transmission channels UL may contain the substance of the random access channel (RACH), a request channel (REQCH), a shared data channel for uplink communications (UL-SDCH) and a plurality of PHY channels.

[00100] the PHY Channels may include a set of DL channels and channels UL. For example, PHY channels DL may include: General channel pilot signal (CPICH); sync channel (SCH); common control channel (CCCH); shared DL control channel (SDCCH); channel management multivisceral (MCCH); shared channel assignment UL (SUACH); acknowledgement channel (ACKCH); shared physical data channel DL (DL-PSDCH); channel power control UL (UPCCH); channel paging indicator (PICH); and/or the channel load indicator (LICH). Through additional illustrations PHY channels UL may include: physical random access channel (PRACH); channel quality indicator channel (CQICH); acknowledgement channel (ACKCH); channel indicator subset of antennas (ASICH); shared request channel (SREQCH); shared physical data channel (UL-UL PSDCH); and/or a broadband pilot signal (BPICH).

[00101] it Should be clear that embodiments of described in the present description may be implemented in hardware, software, software-hardware, middleware, microcode, or any combination thereof. For the implementation of the hardware on which especiany processing blocks may be implemented in one or more specific integrated circuits (circuits ASIC), digital signal processors (processors DSP), universal devices, signal processing (devices DSPD), programmable logic devices (PLD devices), user-programmable gate arrays (matrices FPGAs), processors, controllers, microcontrollers, microprocessors, other electronic units designed to perform the functions described in the present description, or combinations thereof.

[00102] When embodiments of implemented in software, hardware and firmware, middleware or microcode, program code or code segments, they can be stored on a machine readable medium such as a storage component. The code segment may represent a procedure, a function, a subroutine, a program operation, the sub-operation, a module, a software package, class, or any combination of commands, data structures or operators of programs. The code segment can be connected to another code segment or diagram of the hardware by sending and/or receiving information, data, arguments, parameters, or memory contents. Information, arguments, parameters, data, etc. can be sent, sent, or transmitted using any appropriate means, including sharing memory is, sending the message, token passing, network transmission, etc.

[00103] For a software implementation of the methods described in the present description may be implemented with modules (e.g., procedures, functions, and so on)that perform the functions described in the present description. Software codes may be stored in memory and executed by the processors. The memory unit may be implemented within the processor or external to the processor when it can be operatively connected to the processor via various means known in the art.

[00104] With reference to Fig. 12, illustrates a system 1200 that enables effective antenna virtualization in a wireless environment. For example, system 1200 can reside in the UE. As another example, system 1200 can reside at least partially in the base station. It should be appreciated that the system 1200 is represented as including functional blocks, which can be functional blocks that represent functions implemented by a processor, software, or combination thereof (e.g., hardware and software). The system 1200 includes a logical grouping 1202 electrical components that can act in connection the AI. For instance, logical grouping 1202 can include an electrical component for dividing a set of physical antennas of the transmission to the many groups of physical antennas 1204 transmission. Additionally, each group may correspond to the respective virtual antenna. In addition, logical grouping 1202 can include an electrical component for generating respective vectors pre-coding for many groups of physical antennas 1206 transmission. Additionally, logical grouping 1202 can include an electrical component for implementation of the pre-coding over signals for transmission through the use of appropriate vectors 1208 preliminary coding. Additionally, system 1200 may include a memory 1210, which stores commands for executing functions associated with electrical components 1204, 1206, and 1208. While shown which is external to the memory 1210, it should be clear that one or more electrical components 1204, 1206 and 1208 may exist in memory 1210.

[00105] what has been described above includes examples of one or more embodiments. Of course, it is impossible to describe every conceivable combination of components or methods in order to describe the above options for the implementation of the population, but the specialist in the art can recognize that there are many more combinations and permutations of the various embodiments. Accordingly, the described embodiments of intended to cover all such changes, modifications, and variations that are within the nature and scope of the applied claims. In addition, while the term "includes" is used as in the detailed description and in the claims, such term is intended to be inclusive in a manner similar to the term "comprising", when "containing" is interpreted when used as a transitional word in a claim.

1. The method, which facilitates the implementation of virtualization antennas in the wireless environment, containing
the separation of the set of physical antennas of the transmission to the many groups of physical transmission antennas;
transmitting notification of the number of virtual antennas corresponding to the number of groups of physical antennas of the transmission, to the legacy UE; and
transmitting notification of the number of physical antennas of the transmission in the set of physical antennas of the transmission newcaledonia UE,
the wording of the vector pre-coding for a specific group of physical antennas of the transmission of many groups of physical antennas of the transmission, and concr the percentage of the group of physical antennas of the transmission forms a specific virtual antenna; and
the use of the vector pre-coding to the signal for transmission over a particular virtual antenna.

2. The method according to claim 1, wherein the set of physical antennas of the transmission includes T physical antennas of the transmission, and a set of T physical antennas of the transmission is divided into L groups of physical antennas of the transmission, where T is an integer and L is an integer less than or equal to T.

3. The method according to claim 2, in which formulates L vectors pre-coding, the corresponding L virtual antennas.

4. The method according to claim 1, additionally containing
the formulation of another vector pre-coding for different groups of physical antennas of the transmission of these many groups of physical antennas of the transmission, and mentioned another group of physical antennas of the transmission forms another virtual antenna and said another vector pre-encoding to another signal for transmission over different virtual antenna.

5. The method according to claim 1, wherein information relating to the antenna virtualization is transparent to the UE.

6. The method according to claim 1, in which the vector of pre-coding is a vector of unit norm.

7. The method according to claim 1, in which the vector of pre-coding is a vector of unit norm with entries other than zero that meet the relevant physical antennas transmit in a particular group, who participate in a specific virtual antenna.

8. The method according to claim 1, in which the vector of pre-coding is a specific column of the matrix of the discrete Fourier transform (DFT), and another column of the DFT matrix is used for a different virtual antenna.

9. Wireless communication containing
a memory that stores commands related to the separation of a set of physical antennas of the transmission to the many groups of physical antennas of the transmission, the transmission of the notification of the number of virtual antennas corresponding to the number of groups of physical antennas of the transmission, the legacy UE; transmitting notification of the number of physical antennas of the transmission in the set of physical antennas of the transmission to newcaledonia UE, generating a vector of pre-coding for a specific group of physical antennas of the transmission of many groups of physical transmission antennas, and a specific group of physical antennas of the transmission forms a specific virtual antenna, and the application of the vector pre-coding to the signal for transmission over a particular virtual antenna; and
a processor connected to the memory, configured to execute commands stored in memory.

10. The wireless communication device according to claim 9, in which information related to virtualization antenna is transparent the second device for receiving wireless communications.

11. The wireless communication device according to claim 9, in which the memory also stores the commands related to the choice of the number of virtual antennas to form, and this number of virtual antennas are a number of groups in which the set of physical antennas of the transmission is divided, and the choice of the vector pre-coding for a specific group.

12. The wireless communication device according to claim 9, in which the vector of pre-coding is a vector of unit norm with entries other than zero, the corresponding physical transmission antennas in a particular group who participate in a specific virtual antenna.

13. The wireless device 12, in which the entries other than zero, the vector of pre-coding are constant.

14. The wireless device 12, in which the entries other than zero, the vector of pre-coding are at least one of the dependent frequency or time dependent.

15. The wireless communication device according to claim 9, in which the vector of pre-coding is a specific column of the matrix of the discrete Fourier transform (DFT), and another column of the DFT matrix is used for a different virtual antenna.

16. The wireless device that allows effective virtualizati the antenna in the wireless environment, contains
means for dividing a set of physical antennas of the transmission to the many groups of physical transmission antennas, and each of the groups corresponds to a respective virtual antenna;
means for transmitting the notification number of the many groups of physical antennas of the transmission of the legacy UE;
means for sending notification of the number of physical antennas of the transmission in the set of physical antennas of the transmission newcaledonia UE, means for generating respective vectors pre-coding for many groups of physical antennas of the transmission; and means for implementation of the pre-coding over signals for transmission using appropriate vectors pre-encoding.

17. The wireless communication device according to clause 16, in which the corresponding vectors pre-coding are the corresponding vectors of unit norm.

18. The wireless communication device according to clause 16, in which the corresponding vectors pre-coding are the corresponding columns of the matrix of the discrete Fourier transform (DFT).

19. The wireless communication device according to clause 16, in which information relating to the antenna virtualization is transparent to devices receiving wireless communications.

20. Machine-readable media that HRA is it executable computer instructions, that when they are executed cause the system to divide the set of physical antennas of the transmission to the many groups of physical transmission antennas, each of the groups corresponds to a respective virtual antenna;
send a notification with the number of many groups of physical antennas of the transmission of the legacy UE;
provide notice of the number of physical antennas of the transmission in the set of physical antennas of the transmission newcaledonia UE,
to generate the corresponding vector of pre-coding for these many groups of physical transmission antennas; and
to implement pre-coding over signals for transmission using appropriate vectors pre-encoding.

21. Machine-readable media according to claim 20, in which the corresponding vectors pre-coding are the corresponding vectors of unit norm with entries other than zero, the corresponding physical transmission antennas which respectively form each corresponding virtual antenna.

22. Machine-readable media according to claim 20, in which the corresponding vectors pre-coding are the corresponding columns of the matrix of the discrete Fourier transform (DFT).

23. Machine-readable media according to claim 20, in which information, skidding is connected to virtualization antenna, is transparent to devices receiving wireless communications.

24. Wireless communication containing
a processor configured to divide the set of physical antennas of the transmission to the many groups of physical transmission antennas; transmitting notification of the number of virtual antennas corresponding to the number of many groups of physical antennas of the transmission, to the legacy UE; transmitting notification of the number of physical antennas of the transmission in the set of physical antennas of the transmission to newcaledonia UE; generating a vector of pre-coding for a specific group of physical antennas of the transmission of many groups of physical transmission antennas, and a specific group of physical antennas of the transmission forms a specific virtual antenna; and application of vectors pre-coding to the signal for transmission over a particular virtual antenna.



 

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14 cl, 39 dwg

FIELD: radio engineering, communication.

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52 cl, 11 dwg

FIELD: radio engineering, communication.

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52 cl, 11 dwg

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17 cl, 4 dwg

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18 cl, 17 dwg

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20 cl, 5 dwg

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7 cl, 6 dwg

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19 cl, 5 dwg

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16 cl, 5 dwg, 2 tbl

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12 cl, 4 dwg

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2 cl, 16 dwg

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2 cl, 12 dwg, 2 tbl

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5 cl, 10 dwg

FIELD: wireless communication receivers-transmitters and, in particular, wireless communication receivers-transmitters which use a multi-beam antenna system.

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2 cl, 5 dwg

FIELD: method for estimating a channel in straight direction in radio communication systems.

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2 cl, 2 dwg

FIELD: physics, communications.

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28 cl, 10 dwg

FIELD: physics; communications.

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EFFECT: generation and use of control matrices for pseudorandom transmission control (PRTS).

55 cl, 3 dwg, 1 tbl

FIELD: physics.

SUBSTANCE: invention is related to device and method for beams shaping in telecommunication system of mobile communication CDMA with application of intellectual antennas technology, using specified device and method, multiple fixed beams are shaped in sector, and multiple fixed beams are used to shape traffic channel with narrow beams and common channel with sector beams in one and the same intellectual antenna system, and problem of phases discrepancy is solved in appropriate channels due to differences in time and temperature oscillations without application of complicated correcting technology. Since fixed beams in some area correlate and interact with each other, or considerably weaken due to correlative summation of space vectors of every fixed beam in process of common channels transfer in CDMA system with multiple antennas, then appropriate ratio is established between power of pilot channel and traffic channel in coverage area, and signal-noise ratio is increased for signals received by mobile communication station. As a result of addition of optical transceivers system between system of the main frequency band and system of radio frequency transceivers (TRX), the main frequency band system services more sectors. Radio frequency unit is located in close proximity to antennas, and consumed power is reduced accordingly.

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15 cl, 6 dwg

FIELD: information technologies.

SUBSTANCE: separation of transmitting antennas with feedback is applied to special channel of downstream communications line, and separation of transmitting antennas without feedback is applied to control channel of downstream communications line in accordance with high-efficiency method of transmission over upstream communications line. The objective of present invention is to determine how the station with separation during transmission which implements advanced upstream communications line (EUL) should apply separation of transmitting antennas to level 1 confirmation information transmission channels (E-HICH), relative transmission rate channels (E-RGCH) and absolute transmission rate channels (E-AGCH).

EFFECT: providing communications system stability and reliability.

9 cl, 15 dwg

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