Method of modulation processing and device for high-order coding, base station and terminal

FIELD: radio engineering and communication.

SUBSTANCE: invention relates to communication. Method includes: selection by the base station of the modulation and coding scheme table (MCS) according to the type of transmission and predefined information, the MCS table contains an MCS table supporting the M-order modulation and an MCS table not supporting the M-order modulation, here M > 64; and the base station transmits a downlink control signal to the terminal, wherein the downlink control signal comprises a field IMCS modulation and coding schemes, here IMCS based on the MCS table that supports or does not support the M-order modulation selected by the base station.

EFFECT: technical result is to provide the possibility of transmission between a base station and a terminal based on high order modulation.

20 cl, 4 dwg, 7 tbl

 



 

Same patents:

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to wireless communication systems. The invention describes an arrangement method of wireless communication, which involves connection established by the device to an access point, detection of location of the access point, determination of accuracy of the determined location of the access point, and as a result of determination of the fact that more accurate location of the access point is found in comparison to the earlier saved location of the access point, update of information on the detected location in a data base of locations in the device.

EFFECT: improvement of accurate determination of location.

20 cl, 8 dwg

FIELD: radio engineering, communication.

SUBSTANCE: radio communication devices (1, 2) communicate using a plurality of frequency bands. The radio communication device (1) transmits a control message to the radio communication device (2) using a first frequency band, said message including identification information indicating a second frequency band different from the first frequency band, during a random access procedure. The radio communication device (2) receives the control message from the radio communication device (1) using the first frequency band and transmits data using the second frequency band with said identification information included in the control message.

EFFECT: efficient control of use of a plurality of frequency bands.

4 cl, 31 dwg

FIELD: physics, communications.

SUBSTANCE: invention relates to wireless communication networks and is intended to detect the physical change of the exterior of a network node module which is part of a network node. According to the invention the network node module (19) comprises a movement detector (20) configured to detect movement between a male element and a corresponding female element, where the network node module comprises one of the elements and both elements are required for obtaining an operative network node, and a control unit (24) configured to generate an indication of a physical change of the network node module based on the detected movement.

EFFECT: detecting physical change of the exterior of a network node module which is part of a network node.

23 cl, 13 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a system including a basic station and a retransmission station connected to the basic station. A mobile communication system includes at least one upper radio station (1) and the retransmission station (2). The retransmission station (2) performs a radio relay operation between the lower radio station (3) and the upper radio station (1). The retransmission station (2) has a possibility, when the connection to the first upper radio station included in connection configuration information pointing at the upper radio station to which the retransmission station (2) shall be connected, is unsuccessful, of being connected to the second upper radio station differing from the first upper radio station and notifying the network (4 and 5) of notification information through the second upper radio station; with that, the notification information specifies that connection to the first upper radio station is unsuccessful.

EFFECT: technical result consists in the simplification of adjustment of information on the configuration of connection to the above system based on connection configuration information.

22 cl, 23 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a wide-band wireless access system. A method for a mobile station to make a choice of the range in a wide-band wireless access system involves the following stages: transfer of the first code of a preamble of selection of the range for requesting of selection of the range to the basic station through the first possibility of selection of the range of the first frame, and if the first message is received from the basic station before the timer elapses, which indicates time limit, with that, the first message including a response to the first code of the preamble of selection of the range is transmitted during a limited period of time, and it is determined, whether a successful request for selection of the ranged was made by means of the first message or not.

EFFECT: effective selection of a range.

9 cl, 13 dwg, 3 tbl

FIELD: electricity.

SUBSTANCE: invention is referred to methods and structures in wireless communication system that supports aggregation of carrier frequencies and containing radio base station configured to translate system information in at least two cells. Method for user equipment contains receipt stage (410) of configuration information from the radio base station for aggregation of at least two cells, identification stage (420) of the first of at least two cells based on the configuration rule setting that at least the first cell out of two has status differing from status of the remaining cells, and reading stage (430) for translated system information only in the identified cell. The method may also contain stage of compliance with conditions (440) for one parameter or more parameters received from the read system information.

EFFECT: provision of a flexible solution to use system information translated in the multitude of cells in wireless communication system that supports aggregation of carrier frequencies.

20 cl, 13 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to communication systems. The volume of wireless communication between a relay station and a base station is reduced in order to improve the quality of communication, which is the technical result. A wireless communication system includes a relay station, a first radio base station, second radio base stations and a mobile station. The relay station is wirelessly connected to the first radio base station and communicates with the second radio base stations through the first radio base station. When the relay station communicates with the second radio base stations, the relay station requests the first radio base station to communicate with the second radio base stations for the relay station. The requested first radio base station communicates with the second radio base stations for the relay station and transmits the communication result to the relay station.

EFFECT: high quality of communication.

4 cl, 19 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to radio communication. The technical result is that the invention enables a time division duplex (TDD) terminal and a frequency division duplex (FDD) terminal to perform TDD and FDD carrier aggregation. Provided is a carrier aggregation method which includes: a mobile terminal which establishes a connection receives carrier aggregation control information from a base station, which contains carrier frequency identifiers, and configuration information of a radio communication device of receiver carrier frequency for downlink carrier aggregation; the mobile terminal acknowledges the receiver carrier frequency according to the carrier frequency identifiers and configuration information of the radio communication means.

EFFECT: invention also discloses a corresponding base station, a corresponding mobile terminal and a carrier aggregation system consisting of a base station and a mobile terminal.

16 cl, 3 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to acoustic authentication devices for recording in a wireless network. An unauthorised wireless device emits an audible acoustic secret code of unique identification (for example a personal identification number (PIN code)). In some implementations the user hears an acoustic code and enters it manually through the user interface for recording in the network. In other implementations a network authorisation device automatically receives the acoustic code and checks the code authenticity. If authenticity check is successful, the wireless device is recorded in the wireless network.

EFFECT: technical result consists in the improvement of ergonomic recording in a protected wireless network.

15 cl, 3 dwg

FIELD: measurement equipment.

SUBSTANCE: invention relates to portable field tools for maintenance. A tool (52, 102) comprises, without limitation, a module (121) of protocol of wireless communication of a technological process configured with the possibility to maintain communication in accordance with the protocol of wireless communication of technological process. The tool (52, 102) also includes a display (120) and an input device (122). A controller (130) is connected with a module of protocol of wireless communication of technological process, the display (120) and the input device (122). The controller (130) is configured with the possibility of processing a map on a display (120), showing the position of the portable field device (52, 102) relative to at least one facility, such as a field device (22, 23, 104). The controller (130) is additionally configured as capable to determine position of the portable field device (52, 102) for maintenance by means of triangulation using wireless communication of technological process with a row of available field devices (104) with fixed position.

EFFECT: more accurate determination of location of a field device due to mutual use of GPS and triangulation.

32 cl, 8 dwg

FIELD: information technology.

SUBSTANCE: method includes receiving, by user equipment (UE), carrier activation commands or carrier deactivation commands in an n-th downlink subframe; determining, by the UE, an updated downlink activated carrier as a set of current downlink activated carriers, beginning with the (n+k) uplink frame, wherein the set of updated downlink activated carriers is a downlink activated carrier updated after the UE receives carrier activation commands or carrier deactivation commands in the n-th downlink subframe, where n and k are positive integers, and k is greater than or equal to 5; sorting, by the UE, uplink control information (UCI) of each downlink carrier for X downlink carriers in accordance with a given rule, where X is a positive integer; and X downlink carriers belong to the set of current downlink activated carriers of the UE; transmitting, by the UE, the sorted UCI for X downlink carriers to a base station.

EFFECT: fewer errors when decoding uplink control information.

16 cl, 15 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a method, an apparatus and a system for configuring control channels in a mobile communication network and at a mobile station. The invention provides aligning the size of the control channel information of different formats with an equal number of coded control channel information bits and/or modulation symbols for each control channel. The control channels may contain scheduling-related control information. According to another aspect of the invention, a more flexible solution is proposed which allows taking different geometries of mobile stations in a cell into account. Similar to the aspect above, the size of the control channel information is aligned through modulation and/or coding, although the control channel information is aligned to one out of a set of numbers of coded control channel information bits and/or modulation symbols for each control channel.

EFFECT: improved control channel configuration scheme, particularly control channels relating to transmission of user data.

4 cl, 19 dwg, 14 tbl

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a method of data transmission in a wireless communication system with hybrid automatic request for repetition (HARQ). Assessment bias compensation CQI is performed by processing of HARQ receipts (7), a signal-code sequence (SCS) is chosen based on compensated assessment CQI, coding of a data batch (6) is performed by its help, after that, the first attempt of transmission of the batch of coded data to a receiver (4) is performed via a forward channel (2), the success of which is determined as per the type of HARQ receipt (7) received from the receiver (4) via a backward channel (3) in response to this attempt. In case the received HARQ receipt (7) is not positive, repeated attempt of batch transmission is performed via the forward channel (2). In order to provide the adaptive compensation of bias of assessment CQI, the first measure (S) is determined using at least two last HARQ receipts and based on it there determined is a value of a factor of coarse compensation, the second measure (T) is determined using at least one of the last HARQ receipts and based on it there determined is a value of a factor of fine compensation, a reset operation of the value of the fine compensation factor is performed till the initial value at the change of the current value of the coarse compensation factor and CQI assessment is changed considering values of the obtained values of the coarse compensation factor and the fine compensation factor.

EFFECT: providing control of the level of successful delivery of data from the first try of transmission; improving the efficient use of radio resources and speed of data transmission in a wireless communication system as a whole.

17 cl, 5 dwg

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to a method for wireless transmission of data and control information using a plurality of transmission levels. The method includes determining the number of bits in one or more codewords (122) of user data to be transmitted during a subframe, and calculating the number of control vector symbols (124) for allocation for control information during said subframe. The number of control vector symbols (124) is calculated based at least in part on the number of bits in one or more codewords (122) of user data to be transmitted during said frame, and estimation of the number of vector symbols (124) to which one or more codewords (122) of user data are to be mapped. Estimation of the number of vector symbols (124) depends at least in part on the number of control vector symbols (124) to be allocated for control information. The method also includes mapping one or more control codewords (120) to a calculated number of control vector symbols (124) and transmitting the vector symbols (122) of user data and control vector symbols (124) on a plurality of transmission levels during said subframe.

EFFECT: providing optimum allocation of transmission resources when there is need to transmit a large amount of control information.

30 cl, 7 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a method for wireless transmission of data and control information using multiple of transmission layers. The method includes determining the number of bits in one or more codewords of user data (122) transmitted in a subframe and calculating, for each control signal from M, transmitted in the subframe, a value (Q') based at least in part on the number of bits in one or more codewords of user data (122) and estimating the number of vectors of symbols of user data (124) to which one or more codewords of user data (122) are mapped. Estimation of the number of vectors of symbols of user data (124) for a specific control signal from M depends at least in part on the number of control vectors of symbols (124) allocated to one or more other control signals from M. The method also includes determining the number of control vectors of symbols (124) for mapping each control signal from M based on the corresponding value 'Q', calculated for said control signal, mapping said control signal and transmitting the control vectors of symbols.

EFFECT: providing optimum allocation of transmission resources when there is need to transmit a large amount of control information.

34 cl, 7 dwg

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to a method for wireless transmission of data using a plurality of transmission levels. The method includes steps of: estimating the number of vector symbols (124) to be allocated for transmission of user data codewords (122) during a subframe; and determining the number of bits in a plurality of user data codewords (122) to be transmitted during a subframe. The method also includes a step of calculating the number of control vector symbols (124) for allocation for control information based, at least in part, on the estimated number of vector symbols (124) and the determined number of bits. Further, the method includes steps of: displaying the control codewords (120) in the calculated number of control vector symbols (124) and transmitting the vector symbols (124), which transfer the user data codewords (122) and control codewords (120) on a plurality of transmission levels during a subframe.

EFFECT: optimum allocation of transmission resources between control information and user data.

26 cl, 7 dwg

FIELD: radio engineering, communication.

SUBSTANCE: method includes the following steps, performed at a base station (eNB): performing channel encoding of information bits (ST 802), performing a process of matching the rate of encoded bits after interleaving (ST 804), and transmitting the transmitted data corresponding to the length of the encoded bits after rate matching to a mobile terminal (UE) (ST 806); and the following steps, performed in a mobile terminal (UE): receiving transmitted data (ST 807), performing channel decoding of the received data (ST 810), and discarding part of the received data according to the soft buffer memory size of the mobile terminal (UE) and storage thereof in the soft buffer memory (ST 812 and ST 813).

EFFECT: reduced deterioration of transmission characteristics when transmitting data even when there is insufficient soft buffer memory in a mobile terminal to control retransmission.

17 cl, 14 dwg

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to a channel state information (CSI) feedback method. A transmitter transmits a frame containing at least part of determined CSI. CSI is fed back in a very-high throughput (VHT) wireless communication system.

EFFECT: high data channel throughput, determining CSI parameters based on information included in a request.

73 cl, 34 dwg, 3 tbl

FIELD: physics, computer engineering.

SUBSTANCE: invention relates to means of transmitting data packets. The method comprises encapsulating a data segment for a higher layer data packet in a lower layer data packet, wherein the higher layer data packet includes logical link control (LLC) protocol data units (PDU) and the lower layer data packet includes radio link control (RLC) data blocks for transmission over an enhanced general packet radio service (EGPRS) network; adding a new packet indicator set to a predetermined value to the lower layer data packet header if the data segment comprises the beginning of a new higher layer data packet to indicate the start of a new higher layer data packet; adding a length indicator to the lower layer data packet header if the data segment comprises the end of a higher layer data packet, wherein adding a new packet indicator includes adding a new packet indicator to a lower layer data packet only when the lower layer data packet begins from the new higher layer data packet segment.

EFFECT: reduced errors when segmenting and merging data packets.

12 cl, 8 dwg

FIELD: radio engineering, communication.

SUBSTANCE: device includes a unit transmission pulse counter, a transmission control unit, a transmission memory unit, a transmission parameter determining unit, a digital transmission system, a unit reception pulse counter, a reception control unit, a reception memory unit, a reception parameter determining unit, a comparator, transmission frame analysis units and a reception frame analysis unit.

EFFECT: high reliability of detecting single and multiple errors in a variable-length Ethernet frame and detecting alternating single and multiple failures in the digital data transmission system under analysis.

3 cl, 4 dwg

FIELD: communications.

SUBSTANCE: device has multiple cascade registers and multiple adders. During receipt of control information series operator forms a series of check connection bits and sends it to adders. After finishing of receipt operator serially adds given input bit to output bits of last register and outputs a result. Source value controller sends to registers a value selected from two source values.

EFFECT: higher efficiency, broader functional capabilities.

8 cl, 7 dwg, 2 tbl

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