Performing measurements in wireless communication using multiple carriers

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to mobile communication. Measurement configuration reporting may be reconfigured based on events associated with one or more serving cells and/or one or more serving component carriers. Measurement configuration and measurement configuration reporting may also be reconfigured based on events associated with one or more serving component carriers.

EFFECT: reducing signalling overhead due to measurement configuration in wireless communication with multiple carriers.

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CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] this application claims the priority of provisional patent application U.S. No. 61/289887, filed on December 23, 2009 and entitled "METHOD AND APPARATUS FOR MEASUREMENTS IN WIRELESS COMMUNICATIONS USING MULTIPLE CARRIERS", provisional patent application U.S. No. 61/329629, filed April 30, 2010 and entitled "METHOD AND APPARATUS FOR PERFORMING MEASUREMENTS IN WIRELESS COMMUNICATIONS USING MULTIPLE CARRIERS," and provisional patent application U.S. No. 61/388876, filed October 01, 2010 and entitled "PERFORMING MEASUREMENTS IN WIRELESS COMMUNICATIONS USING MULTIPLE CARRIERS", the contents of all three of these applications are hereby included in this document by reference in their respective entirety, for all purposes.

BACKGROUND of the INVENTION

[0002] Wireless transmit-receive unit (WTRU) for mobility management can perform megastate/vnutrichasovye measurement and measurement between radio access technologies (inter-RAT measurements). Vnutrichasovye the measurements can be made wireless transceiver device on the same carrier frequency as its current serving cell. WTRU may perform such measurements without measurement intervals. Megastate measurement in relation to neighbours or in a cell can be a wireless transceiver device at the carrier frequency different from its current serving cell. WRU may not be able to perform such measurements without measurement intervals. The measurement intervals may represent periods during which the WTRU may not perform or omit to take any transmission at the frequency of the serving cell. Inter-RAT measurements can be performed wireless transceiver device at the carrier frequency being used by another radio access technology (RAT), which may be separate from the one that can be used wireless transceiver device in the current serving cell.

DISCLOSURE of INVENTIONS

[0003] This is a brief description of the invention provided for the introduction of a selection of concepts in a simplified form, which further described below in the detailed description of the invention. This brief description of the invention is neither intended to identify key features or essential features of the claimed proposal, not for purposes of limitation of the scope of the claimed proposal. Moreover, the claimed proposal is not limited to the restrictions that eliminate any or all of the disadvantages mentioned in any part of the description.

[0004] Methods, systems and devices can be used to reduce the amount of overhead signaling, due to the configuration of measurement in wireless communication with multiple carriers. The method may be based on one or more measurement reports in chirema various events.

[0005] the Variants of the implementation assumes that a wireless transmit-receive unit (WTRU) may contain a processor. The processor may be configured, at least in part, to determine the connection state of the radio resource control (RRC) and reconfigure the configuration of the measurements. Reconfiguring the measurement configuration may include removing at least one parameter of the configuration of the measurements. The RRC connection state can be defined as being at least one of re-establish the RRC connection and reconfiguration RRC connection. Options for implementation assumes that the processor may be further configured to remove the parameter from the configuration of measurements for at least one re-establish the RRC connection and reconfiguration RRC connection. The processor may be further configured to delete the mentioned at least one parameter of the configuration of the measurement-based measures at the same conditions.

[0006] the Variants of the implementation assumes that a wireless transmit-receive unit (WTRU) may contain a processor. The processor may be configured, at least in part, to configure a report about the measurements based on at least one condition the conditions, and report the measurements may include measurements relating to one or more frequencies, for which the wireless transceiver device may be configured. The processor may also be configured to transmit the measuring report. The report about the measurements may include measurements relating to different from the first frequency to one or more frequencies, for which the wireless transceiver device may be configured. The first frequency may be associated with at least one condition. Options for implementation assumes that at least one condition may include that the quality of the carrier signal associated with the first frequency may be less than the first threshold value, and the quality of the carrier signal associated with the aforementioned different from the first frequency to one or more frequencies, for which the wireless transceiver device may be configured greater than the second threshold value.

[0007] the Variants of the implementation assumes that a wireless transmit-receive unit (WTRU) may contain a processor. The processor may be configured, at least in part, to determine at least one condition that can be associirovat what about the one or more carriers. WTRU may be configured to operate on at least one of these one or more carriers. The processor may be configured to transmit the report of the measurements based on at least one condition. Options for implementation assumes that at least one condition may include that the measurement quality, which can be associated with at least one of the above-mentioned one or more supporting, becomes less than the threshold value. Measurement quality may be at least one of signal strength and signal quality, and the WTRU may be configured to operate on said at least one of the one or more load-bearing.

LIST of FIGURES

[0008] a More complete understanding can be achieved in the following description, given by way of example, in conjunction with the accompanying drawings, in which:

[0009] Figa diagram of an illustrative communication system, which can be implemented in one or more of the disclosed embodiments;

[0010] FIGU diagram of illustrative wireless transceiver unit (WTRU)that may be used in the communication system illustrated in Figa;

[0011] Figs diagram of an illustrative radio access network and illustrative of the underlying network, which can be used in the system of light and, illustrated Figa;

[0012] Figure 2 is a diagram showing signal quality;

[0013] Figure 3 is a block diagram illustrative report on measurements on demand;

[0014] Figure 4 is a block diagram illustrative of a variant of implementation of measures;

[0015] Figure 5 is a block diagram illustrative of a variant of implementation of measures;

[0016] Figa is a block diagram illustrative of a variant of implementation of measures;

[0017] 6 is a block diagram illustrative of a variant of implementation of the measurements.

Description of the MODE for carrying out the INVENTION

[0018] Figa is a diagram of an illustrative system 100 of communication, which can be implemented by one or more disclosed embodiments. The communication system 100 may be a multiple access system that provides content, such as voice, data, video, messaging, broadcast, etc., many wireless users. The communication system 100 can provide multiple wireless users access to this content through the sharing of system resources, including bandwidth wireless communication. For example, communication system 100 may use one or more methods of access channels, such as multiple access, code division multiple access (CDMA), multiple access with the temporalsm-division multiplexing (TDMA), mn is the divine access to the channel frequency division (FDMA), multiple access orthogonal frequency division multiplexing (OFDMA), single carrier FDMA on (SC-FDMA), etc.

[0019] As shown in Figa, communication system 100 may include wireless transmit-receive unit (WTRU) 102a, 102b, 102, 102d, the radio access network (RAN) 104, a core network 106, a public switched telephone network (PSTN) 108, the Internet 110, and other networks 112, though it should be understood that the disclosed variants of implementation covered by any number of wireless transceiver devices, base stations, networks and/or network elements. Each WTRU 102a, 102b, 102, 102d may be any type of device configured to operate and/or communicate in a wireless environment. As an example, wireless transceivers 102a, 102b, 102, 102d may be configured to transmit and/or receive wireless signals and may include user device (UE), mobile station, fixed or mobile subscriber unit, pager, cell phone, personal digital appliance (PDA), smartphone, laptop, netbook, personal computer, wireless sensor, consumer electronics, etc.

[0020] System 100 may also include base station 114a and the base station 114b. Each of the base stations 114a, 114b may be a device which istwo of any type, configured for wireless coupling with at least one of the WTRU 102a, 102b, 102, 102d to provide access to one or more communication networks, such as core network 106, the Internet 110 and/or network 112. As an example, the base stations 114a, 114b may be a base transceiver station (BTS), Node B (Node-B), an enhanced Node B (eNode B), a home Node B, a home eNode B, site controller, access point (AP), a wireless router, etc. Although each base station 114a, 114b included as a separate element, it should be understood that the base station can include any number of interconnected base stations and/or network elements.

[0021] the base station 114a may be a part of the RAN 104, which may also include other base stations and/or network elements (not shown), such as a base station controller (BSC), radio network controller (RNC), relay nodes, and the like, the base station 114a and/or the base station 114b may be configured to transmit and/or receive wireless signals within a specific geographic region, which may be referred to as "honeycomb" (not shown). Honeycomb can be further divided into sectors honeycomb. For example, the cell associated with the base station 114a may be divided into three sectors. Thus, in one vari is NTE the base station 114a may include three transceiver, i.e. one for each sector of the cell. In another embodiment, the base station 114a may use technology with multiple inputs and multiple outputs (MIMO) and, therefore, can use multiple transceivers on each sector of a cell.

[0022] the Base station 114a, 114b can communicate with one or more of the WTRU 102a, 102b, 102, 102d through the ether interface 116, which may refer to any suitable line wireless (e.g. radio frequency (RF), microwave, infrared (IR), ultraviolet (UV), visible light etc). Essential interface 116 may be mounted using any suitable radio access technologies (RAT).

[0023] More specifically, as noted above, system 100 may be a system with multiple access and can use one or more schemas access channels, such as CDMA, TDMA, FDMA, OFDMA, SC-FDMA, and the like, for Example, the base station 114a in the RAN 104 and the wireless transceiver devices 102a, 102b, 102 may be implemented technology, such as terrestrial radio access UMTS (Universal mobile communication system) (UTRA), in which the ether interface 116 can be installed using wideband CDMA (WCDMA). WCDMA may include communication protocols, such as high-speed packet access (HSPA) and/or Enhanced HSPA (HSPA). HSPA can include high-speed packet access downlink (HSDPA) and/or high speed packet access uplink communication (HSUPA).

[0024] In another embodiment, the base station 114a and the wireless transceiver devices 102a, 102b, 102 may be implemented technology, such as the Enhanced ground-based UMTS radio access (E-UTRA), in which the ether interface 116 can be installed using standard Long-term development (LTE) and/or LTE-Advanced (LTE-A).

[0025] In other embodiments, the base station 114a and the wireless transceiver devices 102a, 102b, 102 can implement a radio technology such as IEEE 802.16 (i.e. Global interoperability of broadband wireless access (WiMAX)), CDMA2000, CDMA2000 1X, CDMA2000 EV-DO, Interim standard 2000 (IS-2000), Interim standard 95 (IS-95), Interim standard 856 (IS-856), global system for mobile communication (GSM), GSM evolution with increased transmission speed data (EDGE), GSM EDGE (GERAN), etc.

[0026] the base station 114b on Figa can be a wireless router, home Node B, a home eNode B, or access point, for example, and may utilize any suitable RAT for providing wireless connectivity in a limited area, such as the place of business, home, transport cf is the rotary, the campus, etc. In one embodiment, the base station 114a and the wireless transceiver devices 102a, 102b, 102 may be implemented technology such as IEEE 802.11, to establish a wireless local area network (WLAN). In another embodiment, the base station 114a and the wireless transceiver devices 102a, 102b, 102 may be implemented technology such as IEEE 802.15, to establish a wireless personal area network (WPAN). In yet another embodiment, the base station 114a and the WTRU 102, 102d may use cellular RAT (e.g., WCDMA, CDMA2000, GSM, LTE, LTE-A and the like) to create a Pico-cell or Femto-cell. As shown in Figa, the base station 114b may have a direct connection to the Internet 110. Thus, for the base station 114b may not be required to access the Internet 110 via the core network 106.

[0027] the RAN 104 may communicate with the core network 106, which may be a network of any type, configured to provide one or more of the WTRU 102a, 102b, 102, 102d of voice services, data, applications and/or services VoIP (voice over Internet Protocol). For example, core network 106 may provide call control, billing, mobile services based on location, perform the pre-paid calls, the connection And the Internet, distribution of video, etc. and/or perform high-level security features such as authentication of users. Although Figa and not shown, it should be understood that the RAN 104 and/or the core network 106 may provide direct or indirect communication with other RAN that use the same RAT that RAN 104 or another RAT. For example, in addition to the connection with the RAN 104, which may use the technology of E-UTRA, the core network 106 may also communicate with another RAN (not shown)that uses the GSM radio.

[0028] the core network 106 may also act as a gateway for the WTRU 102a, 102b, 102, 102d to access the PSTN 108, the Internet 110, and/or other networks 112. PSTN 108 may include a telephone network is circuit-switched, which provide plain old telephone service (POTS). The Internet 110 may include a global system of interconnected computer networks and devices that use a common communication protocols, such as the control Protocol, transmission (TCP), user datagram Protocol (UDP) and Internet Protocol (IP) in the Internet Suite of protocols TCP/IP. Network 112 may include wired or wireless networks that are owned and/or operated by other service providers. For example, the network 112 may include another core network, connected to the one or more RAN, who can use the same RAT that RAN 104 or another RAT.

[0029] Some or all of the WTRU 102a, 102b, 102, 102d in the communication system 100 may include multi-mode functionality, i.e. WTRU 102a, 102b, 102, 102d may include multiple transceivers for communicating with different wireless networks on different radio links. For example, WTRU 102 shown in Figa may be configured for communication with the base station 114a, which may use cellular technology, and with the base station 114b, which may use radio technology IEEE 802.

[0030] FIGU is a system diagram illustrative WTRU 102. As shown in Figv, WTRU 102 may include a processor 118, a transceiver 120, the element 122 transmission/reception, speaker/microphone 124, a keypad 126, a display/touchpad 128, non-removable memory 130, memory 132, a power source 134, chipset 136 global navigation and positioning (GPS) and other peripherals 138. It should be understood that the WTRU 102 may include any podnominatsii these elements, while remaining consistent with an embodiment.

[0031] the Processor 118 may be a General purpose processor, a special purpose processor, a conventional processor, a digital processor the x signals (DSP), many microprocessors, one or more microprocessors in conjunction with a DSP core, a controller, a microcontroller, specialized circuits (ASIC), schemes programmable gate arrays (FPGA), any other type of integrated circuit (IC), the state machine and the like, the Processor 118 may perform the coding of the signals, data management, capacity management, process I/o and/or any other functionality which provides the WTRU 102 the opportunity to work in a wireless environment. The processor 118 may be connected to the transceiver 120, which may be connected to the element 122 of the reception/transmission. Although Figv shows the processor 118 and the transceiver 120 as separate components, it should be understood that the processor 118 and the transceiver 120 may be integrated in the electronic structure or chip.

[0032] the Element 122 transmission/reception can be configured to transmit signals to or receive signals from the base station (e.g. base station 114a) through the ether interface 116. For example, in one embodiment, the element 122 transmit/receive antenna can be configured to transmit and/or receive radio frequency (RF) signals. In another embodiment, the element 122 transmission/reception can be an emitter/detector, configured to transmit and/or receive intracr the red (IR) signals, ultraviolet (UV) signals or signals of the visible light, for example. In yet another embodiment, the element 122 transmission/reception can be configured to send and receive both RF signals and light signals. It should be understood that the element 122 transmission/reception can be configured to transmit and/or receive any combination of wireless signals.

[0033] in Addition, although the element 122 of the transmission/reception shown on Figv as a single element WTRU 102 may include any number of elements 122 of the reception/transmission. More specifically, in the WTRU 102 may use MIMO technology. Thus, in one embodiment, the WTRU 102 may include two or more elements 122 transmit/receive (e.g., multiple antennas) for transmitting and receiving wireless signals through the ether interface 116.

[0034] the Transceiver 120 may be configured to modulate signals to be passed element 122 transmission/reception and demodulation of signals, which are received by the element 122 of the reception/transmission. As noted, the WTRU 102 may be provided multimode functionality. Thus, the transceiver 120 may include multiple transceivers for providing WTRU 102 the opportunity to communicate with a variety of RAT, such as UTRA IEEE 802.11, for example.

[0035] the Processor 118 WTRU 102 may be connected to and may receive input from the speaker/microphone 124, a keypad 126 and/or the display/touchpad 128 (for example, imaging unit in the form of a liquid crystal display (LCD) or the display unit in the form of organic light-emitting diode (OLED)). The processor 118 may also display the user data to the speaker/microphone 124, a keypad 126 and/or the display/touchpad 128. In addition, the processor 118 may access information from, and store data in the memory of any suitable type, such as non-removable memory 106 and/or removable memory 132. Non-removable memory 106 may include random access memory (RAM), a persistent storage device (ROM), hard disk or any other type of storage device. Removable memory 132 may include a map of the subscriber identity module (SIM), the memory block type Memory stick, card secure digital memory (SD), etc. In other embodiments, implementation of the processor 118 may access information from and store data in memory that is not physically located in the WTRU 102, such as a server or a home computer (not shown).

[0036] the Processor 118 may receive energy from a source 134 of power and can be configured to control energy and/or distribution is elate energy to the other components of the WTRU 102. Source 134 power supply can be any suitable device for zapisywania WTRU 102. For example, the source 134 of the power supply may include one or more disk dry battery (for example, Nickel-cadmium (NiCd), Nickel-zinc (NiZn), Nickel metal hydride (NiMH), lithium ion (Li-ion), and so on), solar cells, fuel cells, etc.

[0037] the Processor 118 may also be connected to the chipset 136 GPS, which can be configured to provide information of the location (e.g. latitude and longitude) about the current location of the WTRU 102. In addition to or instead of the information of the location of the chipset 136 GPS, WTRU 102 may receive the location information through a broadcasting interface 116 from the base station (e.g. base stations 114a, 114b) and/or to determine its location based on the timing signals received from two or more nearby base stations. It should be understood that the WTRU 102 may receive the location information via any suitable positioning method, while remaining in alignment with the embodiment.

[0038] the Processor 118 may additionally be connected to other peripheral devices 138, which may include one or more software and/or hardware modules that provide additional attribute is key, the functionality and/or a wired or wireless connection. For example, the peripheral device 138 may include an accelerometer, electronic compass, satellite transceiver, a digital camera (for taking pictures and videos), universal serial bus (USB), a vibration device, a television transceiver, your headset, Bluetooth®, radio with frequency modulation (FM), digital music player, media player, video game module, an Internet browser, etc.

[0039] On Figs presents a system diagram of the RAN 104 and the core network 106 according to a variant implementation. As noted, the RAN 104 may use technology E-UTRA for communication with the WTRU 102a, 102b, and 102 through the ether interface 116. RAN 104 may also communicate with the core network 106.

[0040] the RAN 104 may include eNode-B, 140a, 140b, 140c, although it should be understood that the RAN 104 may include any number of eNode-B, while remaining in alignment with the embodiment. Each of the eNode-B, 140a, 140b, 140c may include one or more transceivers for communication with the WTRU 102a, 102b, 102 through the ether interface 116. In one embodiment, eNode-B, 140a, 140b, 140c may implement MIMO technology. Thus, eNode-B, 140a, for example, may use multiple nanny for transmission of wireless signals in the WTRU 102a and receive wireless signals from the WTRU 102a.

[0041] Each of the eNode-B, 140a, 140b, 140c may be associated with a particular hundredth (not shown) and can be configured to make decisions on radio resource management, solutions for relay transmission maintenance scheduling of users in the uplink communication and/or downlink, etc. As shown in Figs, eNode-B, 140a, 140b, 140c can communicate with each other through the X2 interface.

[0042] the core network 106 shown in Figs, may include a gateway mobility management (MME) 142 serving gateway 144 and the gateway packet data network (PDN) 146. Although each of the above elements identified as part of a core network 106, it should be understood that any of these elements may be owned and/or operated by an entity other than the operator core network.

[0043] the MME 142 may be connected to each of the eNode-B, 142a, 142b, 142c in the RAN 104 via the S1 interface and can act as a control node. For example, the MME 142 may be responsible for authenticating users WTRU 102a, 102b, 102, activation/deactivation of bearing channels, the selection of a particular service gateway during the initial connection WTRU 102a, 102b, 102, etc. MME 142 may also provide the function of the plane of the control to switch between the RAN 104 and RAN (not shown), which use different radio technologies such as GSM or WCDMA.

[0044] the Serving gateway 144 which may be connected to each of the eNode-B, 140a, 140b and 140c in the RAN 104 via the S1 interface. The serving gateway 144 may, in General, to route and forward user data packets to/from the WTRU 102a, 102b, 102. The serving gateway 144 may also perform other functions, such as fixing planes of the user during the relay transmission service between the eNode B, start paging when data downlink is available for the WTRU 102a, 102b, 102, management and conservation contexts WTRU 102a, 102b, 102, etc.

[0045] the Serving gateway 144 may also be connected to the gateway 146 PDN, which can provide WTRU 102a, 102b, 102, network access packet-switched networks such as the Internet 110, to facilitate communications between the WTRU 102a, 102b, 102 and devices that support IP.

[0046] the core network 106 may provide connectivity with other networks. For example, core network 106 may provide the WTRU 102a, 102b, 102, network access with switching channels, such as the PSTN 108, to facilitate communications between the WTRU 102a, 102b, 102 and traditional communication devices connected to ground lines of communication. For example, core network 106 can include or communicate with an IP gateway (e.g., server IP multimedia subsystem (IMS)), which acts as the interface between the core network 106 and the PSTN 108. Furthermore, the core network 106 may provide the WTRU 102a, 102b, 102 access to the networks 112, which may include other wired Il the wireless network, which are owned and/or operated by other service providers.

[0047] the Network may provide the wireless transceiver device configuration measurements through a dedicated signaling radio resource control (RRC). The configuration data can include measurements, which may correspond to, for example, in the LTE system, a single frequency for intra/inter-frequency measurement configuration information, which may correspond to the list of criteria information and the associated format information; identification, measurement data, which may correspond to the list of identifiers that bind one object of measurement with a single configuration information; quantitative configurations that can meet the quantitative measurement parameters (which may be, for example, threshold values) and/or associate the filter to apply to the events and information for one type of measurement, either, perhaps more than one type of measurement; and the configuration or the configuration of the interval or intervals of measurement.

[0048] In the Improved terrestrial radio access network UMTS (Universal mobile communication system) (E-UTRAN), for example, a single dimension object can be configured to pocustone basics is for the carrier frequencies. More specifically, for example, objects can be stored in a table, and various operations can be defined to add, delete, and modify this table.

[0049] as an example, at least one dimension identifier can be associated with a separate pair (for example, at least one dimension object for one configuration information). In this example, the configuration information about the event can include a combination of one event, one parameter hysteresis and time of initiating event initiating type. WTRU may be configured with multiple versions of the same events. This can provide flexibility in terms of re-use the same configuration information, for example, the same triggering event, for different measurement objects, such as different frequencies, by binding with different IDs measurements. This may imply that different identity dimensions can be used to associate the same dimension object, such as frequency, with different configurations of information, such as a set of initiating events.

[0050] When attempting to apply existing infrastructure dimension to the WTRU using the carrier aggregation may occur problems is. The problem may be that the network is able to control the unconfiguring bearing component to configure more than one dimension object (one for each frequency), each of which includes one configuration information and one dimension identifier.

[0051] the Use of similar or identical configuration information from the different dimension objects, such as different frequencies, can result in almost simultaneous multiple transmission of measurement reports. Discusses how to minimize the amount of overhead incurred when exchanging signals due to the configuration of the measurement when functioning with many of bearing, for example, when such methods can result in a smaller number of measurement reports.

[0052] embodiments of provide that quality and/or level of the signal received with a certain carrier, may deteriorate, perhaps rapidly, for a WTRU operating with a single carrier or multiple carriers. This can happen for various reasons, such as, for example, when the WTRU may come out of the radio coverage for a given carrier or may be closer to home cell or Femto-cell, which is the source of the interference on the same frequency. If the affected carrier may play OS is the buoy role in relation to the connection to the network, for example, if it corresponds to a specific cell or a primary serving cell in an existing method, it may lose connection to the network. To prevent this, the network may reconfigure the WTRU to the primary serving cell corresponded to the carrier, with which the signal quality may be acceptable. For such reconfiguration may be required to possess information about the quality of other supporting early enough after WTRU may measure the quality loss by the carrier and/or after WTRU may be informed of the loss of quality of the carrier corresponding to the primary serving cell.

[0053] the WTRU may detect that the signal quality and/or signal level of the primary serving cell falls below a threshold, it can inform about the results of measurements related to satam on the same frequency as the honeycomb. Thus, the network may not immediately receive information about other cells on other frequencies, if possible, another event will not work independently at the same time or periodic report will not be transmitted in nearly the same time for one of the other frequencies. The delay may cause the WTRU will lose connection to the network, even though this could be avoided by reconfiguring.

[0054] Similar to the s problems may be due elaborates on multiple component carriers (CC), which may be included in the team relay transmission service. In the network may not be the most recent measurement results on the other bearing to the target base station, except, perhaps, that one who could initiate informing about the results of the measurements.

[0055] embodiments of envisage that the network can determine, perhaps based on the requirement, when to add or remove a serving cell of the WTRU configuration that can be adapted to work with many carriers. At least one factor in this definition is especially likely in scenarios where the area of coverage may differ between different available carrier frequencies, can be the measurement that is taken from these carriers. In such scenarios, when feasible, the measurement results can be available in due time.

[0056] for Example, event measurement may not exist to inform about the deterioration of one of the configured load-bearing, if at least one bearing configured falls below one or more threshold values. At least one view of this problem can be seen in figure 2. As illustrated in the example of figure 2, the WTRU may not require a high data transmission speeds and, therefore, may continue the work of the ü with one carrier, when the signal quality of the neighboring component carrier (CC) may be greater than (or greater than) the threshold value. Also, respectively, when a WTRU may require high speed data transfer, the network may not know whether the signal quality of the neighboring component carrier (CC) to be still good enough for reconfiguring at least, because there may be no event measurement to inform that the neighboring component carrier (CC) may be less (or fall below) the threshold value.

[0057] a Typical procedure for processing the identification data of measurements at megastates relay transmission maintenance or re-establishment may not directly be applied to scenarios where the WTRU works with multiple carriers any of the source and target configuration. For example, the problem may be that the change of the dimension objects (MeasObject) for each dimension identifier (MeasId), corresponding to one or more events can result in meaningless configurations on some carriers. This may occur, for example, when the frequency corresponding to the primary component carrier (PCC) in the original configuration, may be configured CC in the target configuration, whereas the frequency corresponding to the PCC in the target to the hence, adaptation, can be configured CC (i.e. a secondary component carrier (SCC)in the original configuration. In this scenario, the change of dimension objects can result in meaningless events such as the "serving cell exceeds a threshold value at a frequency, which may not be serving cell. Meaningless events, such as, for example, can result in unnecessary measurements at certain frequencies.

[0058] a Similar problem may occur when reconfiguring, when the frequency may be part of the original configuration as SCC, but not part of the target configuration. In this case, assuming that the affected measObject may not be involved in any change, meaningless events can, in the end, affect the target configuration.

[0059] embodiments of imply that the WTRU may be configured with the parameter s-Measure". The parameter s-Measure" may, for example, be a threshold quality value for the serving cell, which can be controlled whether WTRU, or perhaps will need from the WTRU to perform megastate measurement, vnutrichasovye measurement and inter-RAT measurements in relation to neighboring cells. As an example, WRTU, adapted to work with many carriers may refrain from measurements on nakonfigurovan the x frequencies as long while the level of the signal in the primary serving cell may be higher than some configured s-Measure. This can prevent the network configuration additional CC for this WTRU.

[0060] the measurement Configuration may include many objects of measurement as, for example, more than one component carrier or frequency. Can be used one or more methods to minimize the possibility that the WTRU generates and transmits multiple measurement reports within a short period of time. This can be achieved, as an example, but not limitation, on the basis of the identification data measurements. This can be achieved through the application of logic, the control initiating condition for initiating transmission of the measurement report.

[0061] alternatively, minimizing the possibility that the WTRU will generate and transmit multiple measurement reports within a short period of time, can also be achieved by initiating transmission of one or more different types of reports. For example, at least one of these types can be a report only about the dimension or dimensions for which the event was triggered. Another type may be a report for all measurements from a group of measurements. Another type can be a number of reports may at the same time, each of which contains the measurement results relating to a single dimension object. This last type may be different from and in some scenarios may have advantages in relation to the almost simultaneous transmission of many reports, as this may result in the transmission of reports in one time interval for transmission (TTI). This can, in General, to result in a smaller amount of overhead than in the case where they would be transferred to different TTI.

[0062] a dimension Identifier (measId) can be defined so that it associates one or more dimension objects (measObject), for example, the frequency, with a single configuration information. The configuration information may include a list of criteria and formats of reports to inform.

[0063] the Variants of the implementation the implementation to work with many of bearing can be assumed to be as follows: dimension identifier can optionally be configured with one new parameter, representing the group of measurements (measGroupID), which can be by itself is associated with a type (measGroupType), indicating the originating function to apply to the group of measurements.

[0064] the Associated triggering function can be one of several types. At least one type of the triggering function can reference the change as "default triggering function. When any one of the configured events related to the object of measurement belonging to the group of measurements may meet the criteria inform WTRU may likely immediately or with a predetermined delay to initiate one or more procedures for transmitting measurement report for a group of measurements.

[0065] At least one type of the triggering function may be referred to as "based on the window of the initiating function. When any one of the configured events related to the object of measurement belonging to the group of measurements may meet the criteria of the information and if there are in process measurement report for this group of measurements, the WTRU may assume that the measuring report is being processed, and may have to wait for some period of time (i.e. time window). After this period ends and there is at least one in progress report on measurements, WTRU may initiate the procedure for the transmission of measurement report for a group of measurements. The window size can be either a fixed value or may be configured by the network. This configuration can be performed using the alarm level 3 (L3), for example, radio resource control (RRC).

[0066] Options realized what I meant, that at least one type of the triggering function may be referred to as "cumulative based on the window of the initiating function. When any one of the configured events related to the measurement object from a group of measurements may meet the criteria of the information and if it can be a lack in handling measurement reports for these criteria, the WTRU may assume that this report is about the measurements can be located in the processing, and may have to wait for some period of time (i.e. time window). After this period may be terminated, and if the event criteria for each dimension object from a group of measurements can be satisfied, the WTRU may initiate the procedure or procedures for the transmission of measurement report for a group of measurements. The size of the window can either be a fixed value, or may be configurable by the network, for example. As an example, but not limitation, this configuration can be performed using the alarm L3, such as RRC.

[0067] the Variants of the implementation also assumes that at least one type of the triggering function may be referred to as "blocking the initiating function. When any one of the configured events related to the object of measurement from the group measured the th, may meet the criteria inform WTRU may ignore this event if from the moment of transmission of the report for this group of measurements expired less than a certain amount of time. This amount of time can either be a fixed value, or may be configurable by the network, for example. As an example, but not limitation, this configuration can be performed using the alarm L3, such as RRC.

[0068] the Variants of the implementation also assumes that at least one type of the triggering function may be referred to as a "cascade initiating a function of time of initiation". Time Tx can be defined as the delay before WTRU is able to initiate the transmission of the measurement report, i.e. the time of initiation, for example. When any one of the configured events related to the object of measurement in a group of measurements, meets the criteria inform WTRU may, for example, to start the first timer corresponding to the value T1. Before T1 can expire, the WTRU may complete the evaluation of other dimension objects in a group of measurements that can be configured with a second timer T2, where, for example, T2 may be less than T1. After time T1, the WTRU may report the values for the dimensions that meet the criteria of the event, in the same lane is giving a report about the measurements.

[0069] Each of the respective values of Tx can be either a fixed value or may be configured by the network using, for example, signaling L3, such as RRC, for example, so that T1 and T2 can be multiples of the time of the incident measurement. This can reduce the fluctuation of different dimensions for entering timers time of initiation.

[0070] the Variants of the implementation means that may be enabled to indicate whether to report only about the dimension or dimensions for which initiated the event. For example, the WTRU may include the transmission of measurement report values for some or all of the objects in the measurement of the dimension group if this option can be true. If this parameter cannot be true, the WTRU may report only the values for dimension objects for which the criteria of the event could be satisfied. This parameter can be, for example, allReportsInGroupEnabled (Representattive).

[0071] the Variants of the implementation assumes that one or more problems can arise when the quality of the signal carrier can deteriorate rapidly, or when you may need a relay transmission service in the target cell with multiple carriers. The carrier in this example may correspond to the primary service is ivalsa cell or Pcell".

[0072] In the disclosed examples, the term "metric" can match the quality measurement, such as either the quality of the received signal, for example the quality of the received control signal (RSRQ) for the LTE system, or the level of the received signal, for example the power of the received control signal (RSRP) for the LTE system, for example,and without loss of generality. The choice of metric measurements can be configurable on pocustone basis. For example, RSRP can be used for the first frequency, while the RSRQ may be used for the second frequency, or Vice versa.

[0073] When the WTRU may work with multiple carriers, the term "primary serving cell" may be used to identify specific or unique carrier, in respect of which the WTRU may be configured. For example, this term can refer to a carrier corresponding to the "special cell", or "primary serving cell", or "Pcell". The terminology "serving cell"that can be "primary service hundredth" or "Pcell"or "secondary serving hundredth" or "Scell", for example, can be used to refer to any carrier in respect of which the WTRU may be configured at any frequency. The term "best cell" may refer to oblireemo cell, which has the highest metric at a given frequency, regardless, according to which there whether she is a carrier, which may be part of the configuration of the WTRU. Alternatively, the "best cell" may be used to refer to ammeraal cell, which may not be part of the configuration of the WTRU, which may have a higher metric at a given frequency. This terminology can be applied to the following approximate event measurements to support the CC.

[0074] for Example, variants of the implementation assumes that the WTRU may send a report about the dimension that contains the results of measurements on multiple frequencies or other objects of measurement, when the specific event or one of a set of events can be initiated. Event or set of events can indicate that you may need reconfiguring. Alternatively, the WTRU may send multiple measurement reports, each of which may contain the results of measurements on one frequency or another dimension object when the specific event or one of a set of events can be initiated. Event or set of events can indicate that you may need reconfiguring. Using this approach, the network can immediately, or after a predetermined delay to obtain the measurement results for hundreds or carrying on other frequencies that may be candidates for preconfigure is the testing.

[0075] the Variants of the implementation assumes that the events that can trigger notification of the results of measurements on multiple frequencies can be one of or a subset of several types, for example. One example may correspond to an event that may show deterioration in signal quality in primary serving cell, for example, the event A2, in which the metric of the primary serving cell may fall below a threshold, or event A3, in which the metric of the neighboring cells can be offset better (e.g., higher)than the metric of the primary serving cell.

[0076] Another example of a triggering event may be the expansion of the event, when the serving cell may be replaced by a service hundredth at a given frequency. For example, in the extended event A2 metric of the serving cell at a specific frequency may fall below the threshold. As another example, when the extended event A3 metric neighboring cells can be offset better than the metric of the serving cell at a given frequency. As an example, the phrase "at offset better" can be understood as meaning "above" or "more". As an example, the expression "And the offset is better than" can be understood as what metrics And more metrics In the value of the "offset".

[0077] Another example of niceenough event may be an event, which shows the deterioration of the signal quality of the first serving cell when the signal quality of the second serving cell may remain above the threshold. For example, the metric of the primary serving cell may fall below the first threshold value, and the metric of the serving cell at a specific frequency can be higher than the second threshold value. In another example, the metric of the serving cell at a specific frequency may fall below the first threshold value, and the metric of the serving cell to another specific frequency may be higher than the second threshold value. In another example, the metric of the neighboring cell may be offset better than the primary serving cell, and the metric of the serving cell at a specific frequency can be higher than the second threshold value. Alternatively, the metric of the neighboring cells may be offset better than serving cell at a specific frequency, and the metric of the serving cell to another specific frequency may be higher than the second threshold value.

[0078] Another example of a triggering event may be similar to one or more of the preceding examples, but instead of using a specific frequency or a specific standard frequency) can be used any of the preconfigured with the set of frequencies, trichosis from those for the primary serving cell or other standard frequency-based events. Preconfigured with a set of frequencies may be provided upstream levels, or may correspond to a set of frequencies for which the WTRU may be configured.

[0079] the Report about the measurement or set of measurement reports transmitted wireless transceiver device for initiating one of the aforementioned events may contain measurement results for the following measurements, separately or in combination: a dimension object for the frequency corresponding to the primary serving cell; all of or a subset of objects of measurement of the measurement configuration corresponding to the frequencies on which the WTRU may operate (for example, the frequency configured with Scell); all of or a subset of objects of measurement of the measurement configuration corresponding to the frequencies on which the WTRU may work for which the metric of the serving cell may to be above the threshold; all of or a subset of the dimension objects for which metric is the most powerful cell may exceed the threshold value; all of or a subset of the dimension objects that are included in the configuration of the WTRU measurements, regardless of which of the above events could be triggered; either all of or a subset of the dimension objects that could be used in evaluating the event that triggered the report. The measurement object mo is et to treat one type of the measurement object (for example, measObjectEUTRA, measObjectUTRA, measObjectGERAN or measObjectCDMA2000).

[0080] In the case where it may be reported only on the subset of objects of measurement, the number of measurement objects can be defined using one or more of: up To dimension objects together; up to N objects of measurement, the respective bearing configured with Scell; up to the M objects of measurement, the respective bearing without a configured Scell. Can then be informed of the results of measurements With up to hundred. N, M, C and K can be pre-defined or communicated with the upstream levels.

[0081] the Variants of the implementation assumes that when can be selected with a less number compared to the number of objects for which measurements are available, a subset of features can be selected using one or more or combination of Rules 1 - select the objects that can have the highest (or best) metric (RSRP/RSRQ) for their honeycombs with the highest rank; and/or Rule 2 - select the objects for which the metric them hundred with the highest rank may exceed the threshold value. If the dimension objects, selected by Rule 2, may exceed the maximum number of allowable dimension objects can then apply Rule 1.

[0082] the WTRU may report the measurements to allow removed the I carrier from the configuration or to notify the network about what bearing can no longer be considered to be added to the configuration of the WTRU. WTRU may send a report about the dimensions, when one of several events, for example, when the level or quality of the carrier signal may be too low for proper operation. Other examples may include when the metric of the serving carrier in the object of measurement drops below an absolute threshold or when the metric of the best cell in the object of measurement falls below the absolute threshold.

[0083] the Following illustrative events can be used to detect situations when the carrier can be removed from the configuration of the WTRU or can no longer be considered to be added to the configuration of the WTRU, because of its relative quality when possible comparison with those of the other carrier may become too low. These examples include, but are not restrictive in the sense that the metric of the serving cell may be offset worse (e.g., less)than the primary serving cell; the metric of the best cell in the measurement object can be offset worse than the primary serving cell; the metric of the serving cell in the first dimension object can be offset worse than the metric of the serving cell in the second dimension object; or the metric of the best cell in the first object changes the value can be offset worse than the metric of the serving cell in the second dimension object. The use of these events can be configured by the network as part of the configuration of the WTRU measurements, for example.

[0084] the Variants of the implementation assumes that the measurement can be entered to account for the problem, which consists in supporting a relay transmission service for a variety of load-bearing target cell and/or the configuration management and release of additional carriers. The network may request the measurement against target cells in the message, for example in the measurement request on-demand, or by setting fields in the extended message. The message can be sent at the level of the radio resource control (RRC), as shown in Figure 3, the level of access control to the data transfer medium (MAC) or physical (PHY) layer. On receiving this message, the WTRU may send a report about the measurement in respect of the specified carrier frequencies or dimension objects.

[0085] the following terminology may be used in the following examples. "Original configuration" may correspond to RRC configuration WTRU procedures to reconfigure or re-establish. The "target configuration" may correspond to RRC configuration WTRU after reconfiguring or re-establish, if this procedure mo is et to be successful. "Pcell" can refer to the serving cell on the primary component carrier (PCC). "Scell" can refer to the serving cell on the secondary component carrier (SCC). "Event reference Scell" can refer to an event of measure, such as, but not restrictively, A1 or A2, the reference service hundredth of which may be Scell. Options for implementation assumes that A1 may indicate that the serving cell can be better than a threshold value, and A2 may indicate that the serving cell may be worse than the threshold value. All terms and accompanying definitions presented in this disclosure are for illustrative purposes, and other terms consistent with this disclosure, can be used in a reasonable manner.

[0086] the Following examples can be used to provide WTRU capability to reconfigure its configuration measurements in preparation for any type of reconfiguration. WTRU may remove measId from your profile measurements during the RRC reconfiguration procedure or the RRC procedure to re-establish procedure to configure measurements when at least one of a subset of the following conditions can be satisfied. Conditions for removal measId may include, but is not in a restrictive sense, when:a) measId associated with measObject, the corresponding SCC in the initial configuration; (b) measId associated with measObject corresponding to the SCC in the original configuration, but not SCC in the target configuration; (c) measId associated with measObject corresponding to the SCC in the target configuration, but not SCC or PCC in the original configuration; (d) measId associated with measObject corresponding to the SCC in the original configuration and the Scell in the target Scell configuration is not identical to the original configuration; (e) measId associated with configuration information corresponding to the Event with reference Scell; (f) measId associated with configuration information corresponding to the Event with reference Scell and provided that (a) is true; (g) measId associated with configuration information corresponding to the Event with reference Scell, and provided that (b) is true; (h) measId associated with configuration information corresponding to the Event with reference Scell, and provided that (c) is true; (i) measId associated with configuration information corresponding to the Event with reference Scell, and provided that (d) is true; (j) measId associated with measObject corresponding to the unconfigured CC in the original configuration; (k) measId associated with measObject corresponding to the unconfigured CC in the target configuration; and/or l) measId associated with measObject corresponding to the unconfigured CC in the original configuration, but SCC or PCC in the target configuration.

[0087] the Variants of the implementation assumes that the removal of the dimension identifier (measId), to the Yes one of the above conditions can be satisfied, may be (or may, in some embodiments, the implementation can only occur, if may be satisfied, at least one of a subset of the following additional conditions: m) measId changed so that he was associated with another measObject according to one or more implementation options described in the following paragraphs, or n), the frequency of PCC in the original configuration different from the frequency of PCC in the target configuration, for example, as in the case of megastates relay transmission service.

[0088] the Following examples can be used to provide WTRU capability to reconfigure its configuration measurements in preparation for reconfiguring, which enables the change of the frequency of PCC when working with multiple carriers. For measId, which may already be attached to the first measObject, the WTRU may change this measId so that it instead was tied for the second measObject, during the RRC reconfiguration procedure and/or RRC procedure to re-establish complete the configuration of the measurement, for example. This may occur when the second measObject may already be part of the configuration of the WTRU measurements and when it can be satisfied at one of a subset of the following conditions is true: o) first measObject corresponds to the PCC in the original configuration, and the second measObject corresponds to the PCC in the spruce configuration, and measId may be associated with configuration information that does not match the Event with reference Scell; p) first measObject corresponds to the PCC in the original configuration and SCC in the original configuration, while the second measObject corresponds to the PCC in the original configuration and/or SCC in the target configuration; or the first measObject corresponds to the PCC in the original configuration and/or unconfigured CC in the original configuration, while the second measObject corresponds to the PCC in the original configuration and/or unconfigured CC in the target configuration. [0089] embodiments of involve the use of s-Measure for unconfigured frequencies to use for measurements. For example, the WTRU may perform measurements on unconfigured frequency for which at least one measId can be associated with the corresponding measObject, regardless of the configuration of the s-Measure, if it is satisfied at least one of the following conditions. These conditions may include, but is not in a restrictive sense, then, when the WTRU receives the indication of the configuration of the measurement function, as there are for measurements at the unconfigured frequency; WTRU adapted to work with many carriers are made with the ability to add at least one CC in its configuration; and/or WTRU is configured to measure at this configurationvalue using measurement intervals.

[0090] figure 4 shows an illustrative version of the implementation. As shown in figure 4, at step 402, one or more processors, a wireless transceiver unit (WTRU) may be configured, at least in part, to determine the connection state of the radio resource control (RRC). At step 404 WTRU may reconfigure the configuration of the measurements. Reconfiguring the measurement configuration may include removing at least one parameter of the configuration of the measurements. At step 406, the RRC connection state can be defined as being at least one of the re-establishment of the RRC connection or reconfiguration of RRC connection, for example. At step 408 WTRU may remove the at least one parameter from the configuration measurements during at least one re-establish the RRC connection and reconfiguration of RRC connection, for example. Alternatively, at step 410 WTRU may be further configured to delete the mentioned at least one parameter of the configuration of the measurement based on the at least one condition. Options for implementation assumes that at least one parameter may correspond to an identification parameter, such as parameter measId, for example. Also, the first condition can include all the I, that option measId associated with at least one of the events A1 measurement and event A2 measurement, for example. At step 412 WTRU may be additionally configured to delete the mentioned at least one parameter of the configuration of the measurement on the basis of both the first condition and the second condition. Options for implementation assumes that the second condition may include that option measId associated with the parameter measObject corresponding to the unconfigured component carrier (CC), for example.

[0091] As shown in Figure 5 and Figa ways of implementation refers to a wireless transmit-receive unit (WTRU)that may contain one or more processors. At step 502, at least one WTRU processor (or just WTRU) may be configured to, at least partially, to configure the measuring report. The report about the measurements can be configured based on at least one condition. The report about the measurements may include measurements relating to one or more frequencies on which the WTRU may be configured to work. At step 504 WTRU may be configured to transmit the measuring report. At step 506 a report about the measurements may include measurements relating to one or more frequencies on which the WTRU may be is configured, to operate and which may differ from the first frequency. The first frequency may be associated with the said at least one condition. At step 508 mentioned at least one condition may include that the first frequency becomes less than the first threshold value. This at least one condition may include that the signal quality of the second cell on said one or more frequencies on which the WTRU may be configured to operate and which is different from the first frequency is greater than the second threshold value.

[0092] alternatively, at step 510 mentioned at least one condition may include that the first quality measurement associated with the first hundredth serving WTRU, at the first frequency becomes less than the first threshold value and the second quality measure is greater than the second threshold value. The second dimension of quality can be associated with the hundredth of a second at the said one or more frequencies on which the WTRU may be configured to operate,and which is different from the first frequency.

[0093] alternatively, at step 512 the mentioned at least one condition may include that the first quality measurement associated with the first hundredth of a first frequency becomes less than the first threshold C is achene, and the second quality measure is greater than the second threshold value. The second dimension of quality can be associated with the hundredth of a second at the said one or more frequencies on which the WTRU may be configured to operate,and which is different from the first frequency.

[0094] as another alternative, at step 514 mentioned at least one condition may include that the first quality measurement associated with the first hundredth serving WTRU, at the first frequency becomes less than the second quality measurement associated with the hundredth of a second, neighboring to the first cell. Mentioned, at least one condition may include that the third dimension of quality is greater than a threshold. The third dimension of quality can be associated with a third hundredth mentioned on one or more frequencies on which the WTRU may be configured to operate,and which is different from the first frequency.

[0095] Again alternatively, at step 516 mentioned at least one condition may include that the first quality measurement associated with the first hundredth of a first frequency becomes less than the second quality measurement associated with the hundredth of a second, neighboring to the first cell. This at least one condition may also include the it that third dimension of quality is greater than a threshold. The third dimension of quality can be associated with a third hundredth mentioned on one or more frequencies on which the WTRU may be configured to work, which is different from the first frequency.

[0096] Referring now to Fig.6, options implementation assumes that a wireless transmit-receive unit (WTRU) may contain one or more processors. At step 602, at least one WTRU processor (or just WTRU) may be configured to at least partially define at least one condition that can be associated with one or more cells (or serving cells). WTRU may be configured to operate with at least one of these one hundred or more. At step 604 WTRU may be configured to transmit a report about the measurement on the basis of the said at least one condition. At step 606, this at least one condition can be configured so that it included the fact that the quality measurement associated with at least one of the above-mentioned one or more hundred, becomes less than the threshold value. Options for implementation include that the threshold value may be an absolute threshold. Measurement quality may be one of the level with the persecuted and signal quality, for example. At step 608 WTRU may be configured to operate with said at least one of the one or more hundred on one or more frequencies. Options for implementation include that mentioned one or more hundred may include at least one of the primary serving cell and a secondary serving cell, for example.

[0097] Although the features and elements described above in particular combinations, for professionals it should be apparent that each feature or element can be used separately or in any combination with the other features and elements. In addition, the described methods can be implemented in a computer program, software, or firmware that is embedded in a machine-readable medium, for execution by a computer or processor. Examples of machine-readable media include electronic signals (transmitted via wired or wireless connections) and machine-readable data carriers. Examples of computer-readable media include, but are not in a restrictive sense, a persistent storage device (RAM, ROM), random access memory (RAM, RAM), registers, cache memory, semiconductor memory devices, magnetic media such as internal hard disks and removable disks, and optical media such the AK as CD-ROM disks, and digital versatile disks (DVD). The processor in combination with any software can be used to implement a radio frequency transceiver for use in a WTRU, UE, terminal, base station, RNC or any host computer.

1. A wireless transmit-receive unit (WTRU), comprising: a processor, the processor configured to at least:
to accept the message-connection of the radio resource control (RRC)indicating at least one of the state re-establish the RRC connection and the status of reconfiguration of RRC connection; and
to reconfigure the configuration of the measurement, and the reconfiguring includes removing at least one parameter of the configuration of the measurements during the mentioned at least one re-establish the RRC connection and reconfiguration of RRC connection, and this at least one parameter represents the ID parameter measurement (measId), while the parameter measId associated with the parameter of the measurement object (measObject), corresponding to not configured serving cell.

2. A wireless transmit-receive unit (WTRU), comprising: a processor, the processor configured to at least:
to configure a report about the measurements based on at least one of the conditions in this report about the measurement VK is uchet the measurement results, regarding one or more frequencies for which the WTRU may be configured and which is different from the first frequency, the first frequency associated with said at least one condition of the at least one condition includes that the signal quality of the first cell on a first frequency becomes less than the first threshold value; and
to upload a report about the measurements.

3. WTRU according to claim 2, in which the mentioned at least one condition includes that the signal quality of the second cell to one or more frequencies for which the WTRU may be configured and which is different from the first frequency is greater than the second threshold value.