CN102792754B - For the method and apparatus realizing enhancement mode CQI renewal frequency - Google Patents

Abstract

The method and apparatus providing a kind of downlink transmission for contributing in TD-SCDMA system.The method may include that and asks from Node-B receiver CQI (CQI), and wherein, this CQI request is not associated with payload transmission.

Description

For the method and apparatus realizing enhancement mode CQI renewal frequency

The cross reference of related application

Patent application claims is that submit on March 11st, 2010, be entitled as the benefit of priority of the international patent application No.PCT/CN2010/070981 of " METHODANDAPPARATUSFORENABLINGENHANCEDCQIUPDATEFREQUENCY ", is expressly incorporated herein by the complete content of above-mentioned application with way of reference.

Technical field

Put it briefly, the aspect of the present invention relates to wireless communication system, specifically, the aspect of the present invention relates to access, in such as TD SDMA (TD-SCDMA) high-speed downlink packet, the wireless communication system realizing enhanced channel quality indicator (CQI) renewal frequency in the system of (HSDPA) system etc.

Background technology

Cordless communication network is widely deployed to provide various communication service, such as phone, video, data, message transmission, broadcast etc..This network (it is usually multi-access network) can by share can Internet resources support the communication of multiple user.One example of this network is universal terrestrial access network (UTRAN).UTRAN is defined as the Radio Access Network (RAN) of a part for UMTS (UMTS) (a kind of third generation (3G) mobile phone telephony that third generation partner program (3GPP) is supported).UMTS as the successor of global system for mobile communications (GSM) technology currently supports various air-interface standard, such as WCDMA (W-CDMA), TD-CDMA Time Division-Code Division Multiple Access (TD-CDMA) and TD SDMA (TD-SCDMA).Such as, TD-SCDMA is carrying out as the bottom air interface in UTRAN framework in China, wherein using the existing GSM infrastructure of this UTRAN framework as core net.UMTS also supports enhancement mode 3G data communication protocol (such as high speed downlink packet access (HSDPA)), and wherein this agreement provides higher data transmission bauds and capacity to the UMTS network being associated.

Along with the demand sustainable growth that mobile broadband is accessed, research and development continues to improve UMTS technology, not only for the demand met the growth that mobile broadband accesses, and in order to improve and strengthen user's experience to mobile communication.

Summary of the invention

In order to provide the basic comprehension to one or more aspects, following present the simple general introduction of these aspects.This general introduction is not the extensive overview to all contemplated aspects, and neither to determine key or the important composition element of all aspects, neither describe the protection domain of any or all aspect.It is only for purpose of some concepts presenting one or more aspect by the form simplified, in this, as the preamble of detailed description after a while.

One or more aspects according to the present invention and corresponding disclosure, be combined in TD-SCDMAHSDPA system and realize enhancement mode CQI renewal frequency describe various aspects.The method can include from Node-B receiver CQI request, and wherein, described CQI request is not associated with payload transmission.

Another aspect relates to a kind of device.This device may include that for the unit from Node-B receiver CQI request, and wherein, described CQI request is not associated with payload transmission；For generating the unit of CQI response, wherein, the maximum data rate that this CQI response instruction UE can be received；And for sending the unit of this CQI response to node.

Another aspect relates to a kind of computer program including computer-readable medium.This computer-readable medium can include for the code from Node-B receiver CQI request, and wherein, described CQI request is not associated with payload transmission.

Another aspect relates to a kind of device for wireless communications.Described device can include receiver, and this receiver is configured to from Node-B receiver CQI request, and wherein, described CQI request is not associated with payload transmission.Described device can also include at least one processor, and at least one processor described is configured to generate CQI response, wherein, and the maximum data rate that this CQI response instruction UE can be received.Described device can also include transmitter, and this transmitter is configured to be sent this CQI in this CQI request by the time instance place of the definition after receiving and responds.

In order to realize aforementioned and relevant purpose, the one or more aspect includes feature that is that be described fully below and that specifically note in detail in the claims.Description below and accompanying drawing are described in detail by some illustrative characteristic of the one or more aspect.But, these characteristics are merely representative of can with it to a few in the various ways using the principle of various aspects, and this description is intended to include all these aspects and their equivalent.

Accompanying drawing explanation

Fig. 1 is the block diagram of the conceptive example illustrating communication system.

Fig. 2 is the block diagram of the example of the conceptive frame structure illustrated in communication system.

Fig. 3 is the block diagram of the example of the conceptive node B illustrating and communicating with UE in a communications system.

Fig. 4 illustrates the exemplary graph according to an aspect, the UE handling capacity CDF comparative result of TD-HSDPA system when using and not using enhancement mode CQI request HS-SCCH and coboundary.

Fig. 5 is the functional block diagram of the exemplary frame of the conceptive functional characteristic illustrating and being performed to realize one aspect of the present invention.

Fig. 6 is the conceptive communication illustrated in one aspect of the present invention and the block diagram of the timing that is associated.

Fig. 7 is the block diagram of the communication on the conceptive multiple time slots illustrated in one aspect of the present invention.

Fig. 8 is according to an aspect, the block diagram being arranged for carrying out the example wireless communication device of enhancement mode CQI renewal frequency.

Fig. 9 illustrates the block diagram according to an aspect, the framework of the node B being arranged for carrying out enhancement mode CQI renewal frequency.

Detailed description of the invention

The detailed description of the invention described below in conjunction with accompanying drawing is intended to as the description to various configurations, rather than is intended to indicate that and only just can realize concept described herein in such arrangements.In order to provide the thorough understanding to each conception of species, detailed description of the invention includes specific details.It will be apparent, however, to one skilled in the art that these concepts can be realized when not using these specific detail.In some cases, in order to avoid making these concepts unclear, known structure and assembly are provided in form of a block diagram.

Referring now to Fig. 1, the figure shows the block diagram of the example describing communication system 100.Run through each concept that the present invention provides to realize in diversified communication system, the network architecture and communication standard.For example, but non-limit, consult and use the UMTS system of TD-SCDMA standard to provide the aspect of the present invention shown in Fig. 1.In this example, UMTS system includes (Radio Access Network) RAN102(such as, UTRAN), wherein this RAN102 provides the various wireless services including phone, video, data, message transmission, broadcast and/or other service.RAN102 can be divided into some RNSs (RNS) (such as RNS107), and wherein, each RNS is controlled by radio network controller (RNC) (such as RNC106).For the sake of clarity, illustrate only RNC106 and RNS107；But, except RNC106 and RNS107, RAN102 can also include any number of RNC and RNS.RNC106 is also responsible for the device of the Radio Resource distributing, reconfigure and discharging in RNS107.Can using any suitable transmission network, other RNC(being interconnected in RAN102 by RNC106 by various types of interfaces of the connection of such as direct physical, virtual network etc is shown without).

The geographic area that RNS107 covers can be divided into some communities, and wherein wireless transceivers devices serves each community.In UMTS applies, wireless transceivers devices is commonly called node B, but it can also be called base station (BS), base transceiver station (BTS), wireless base station, transceiver, transceiver function, Basic Service Set (BSS), extended service set (ESS), access point (AP) or certain other suitable term by those skilled in the art.For the sake of clarity, it is shown that two node B108；But, RNS107 can include any number of radio node B.Node B108 provides the WAP for core net 104 for any number of mobile device.The example of mobile device includes cell phone, smart phone, Session Initiation Protocol phone, laptop computer, notebook, net book, smartbook, PDA(Personal Digital Assistant), satellite radio, global positioning system (GPS) equipment, multimedia equipment, video equipment, digital audio-frequency player (such as, MP3 player), photographing unit, game console or any other like function device.In UMTS applies, mobile device is commonly called subscriber equipment (UE), but it can also be called movement station (MS), subscriber station, mobile unit, subscriber unit, radio-cell, remote unit, mobile equipment, wireless device, Wireless Telecom Equipment, remote equipment, mobile subscriber station, access terminal (AT), mobile terminal, wireless terminal, remote terminal, hand-held device, terminal, user agent, mobile client, client or certain other suitable term by those skilled in the art.For illustrative purposes, it is shown that three UE110 communicate with node B108.Downlink (DL) (also referred to as forward link) refers to the communication link from node B to UE, and up-link (UL) (also referred to as reverse link) refers to from UE to the communication link of node B.

As it can be seen, core net 104 includes GSM core net.But, as those skilled in the art will be appreciated that, it is possible to RAN or other suitably access in network and realize running through each concept that the present invention provides, in order to provide the access to the multiple core net being different from GSM network to UE.

In this example, core net 104 uses mobile switching centre (MSC) 112 and gateway MSC(GMSC) 114 carry out support circuit-switched service.One or more RNC of such as RNC106 may be coupled to MSC112.MSC112 is the device that call setup, call routing and UE mobility functions are controlled.MSC112 also includes Visitor Location Register (VLR) (not shown), and wherein this VLR comprises user related information during UE is in the persistent period in the overlay area of MSC112.GMSC114 provides gateway by MSC112 to UE, in order to access circuit-switched network 116.GMSC114 includes attaching position register (HLR) (not shown), and wherein this HLR comprises user data, such as, and the data of the details of the service that reflection specific user subscribes.HLR is also associated with authentication center (AuC), and wherein this AuC comprises the authentication data specific to user.When receiving the calling for particular UE, GMSC114 inquires about HLR to determine the position of this UE, and this calling is transmitted to the specific MSC serving this position.

Core net 104 also uses Serving GPRS Support Node (SGSN) 118 and Gateway GPRS Support Node (GGSN) 120 to support packet data service.GPRS(its represent general packet radio service) be designed to according to for standard GSM Circuit Switched Data service can speed compared with higher speed to provide packet data service.GGSN120 provides the connection of packet-based network 122 for RAN102.Packet-based network 122 can be the Internet, private data network or certain other suitable packet-based network.The major function of GGSN120 is to provide packet-based network to connect to UE110.Transmitting packet between GGSN120 and UE110 by SGSN118, wherein, SGSN118 mainly performs and the MSC112 function that performed function is identical in the circuit switched domain in the packet domain.

UMTS air interface is spread spectrum direct sequence CDMA (DS-CDMA) system.By being multiplied by the PRBS pseudo-random bit sequence being called chip, user data is expanded in broader bandwidth by spread spectrum DS-CDMA.TD-SCDMA standard is based on this direct sequence spread spectrum skill, it addition, TD-SCDMA standard-required time division duplex (TDD), rather than the FDD used in a lot of FDD (FDD) pattern UMTS/W-CDMA system.Identical carrier frequency is used for UL and DL, the TDD between node B108 and UE110, but UL and DL is divided in the different time-gap in this carrier wave by TDD.

Fig. 2 illustrates the frame structure 200 for TD-SCDMA carrier wave.As it can be seen, TD-SCDMA carrier wave has the frame 202 that length is 10ms.Frame 202 has two 5ms subframes 204, and each subframe 204 includes seven time slots (TS0 to TS6).First time slot TS0 is commonly accorded for downlink communication, and the second time slot TS1 is commonly accorded for uplink communication.Remaining time slot (TS2 to TS6) may be used for up-link or downlink, and this makes no matter upwards can both have bigger motility during the relatively long data transmission time at uplink direction or downlink side.Down link pilot timeslot (DwPTS) 206, protective time slot (GP) 208 and uplink pilot time slot (UpPTS) 210(are also referred to as uplink pilot channel (UpPCH)) between TS0 and TS1.Each time slot (TS0-TS6) can allow multiplex data transmission on 16 encoding channels at most.Data transmission on one encoding channel includes two data divisions 212, and wherein, the two data division intermediate code (midamble) 214 points is opened, and followed by GP216.Intermediate code 214 may be used for the feature of such as channel estimating, and GP216 may be used for avoiding inter-burst to disturb.

Fig. 3 is the block diagram of the node B310 communicated with UE350 in RAN300, and wherein RAN300 can be the RAN102 in Fig. 1, and node B310 can be node B108, the UE350 in Fig. 1 can be the UE110 in Fig. 1.In downlink communication, launching processor 320 can receive data from data source 312, and can receive control signal from controller/processor 340.Launching processor 320 is that data and control signal and reference signal (such as, pilot signal) provide various signal processing function.Such as, launching processor 320 can provide the following to produce series of sign: for the Cyclic Redundancy Check code of error detection；Contribute to realizing coding and the intertexture of forward error correction (FEC)；The mapping to signal constellation (in digital modulation) based on various modulation schemes (such as, binary phase shift keying (BPSK), QPSK (QPSK), M phase phase-shift keying (PSK) (M-PSK), M rank quadrature amplitude modulation (M-QAM) etc.)；Orthogonal Variable Spreading Factor OVSF (OVSF) is used to carry out spread spectrum；And be multiplied with scrambler.Controller/processor 340 can use the channel estimating amount from channel processor 344 to determine for launching the coding of processor 320, modulation, spread spectrum and/or scrambling scheme.Can according to the UE350 reference signal sent or according to the intermediate code 214(Fig. 2 from UE350) in the feedback that comprises, draw these channel estimating amounts.The symbol that transmitting processor 320 generates is supplied to frame emission processor 330, in order to create frame structure.Frame emission processor 330 creates this frame structure by following operation: by these symbols and the intermediate code 214(Fig. 2 carrying out self-controller/processor 340) carry out multiplexing, thus producing series of frames.Subsequently, these frames are supplied to transmitter 332, and this transmitter 332 provides various signal conditioning functions, and wherein these functions include: these frames are amplified, are filtered, and these frames are modulated on carrier wave, in order to downlink transmission is carried out on the radio medium by smart antenna 334.Wave beam can be used to control bidirectional self-adaptive aerial array or other similar beam technique to realize smart antenna 334.

At UE350 place, receiver 354 receives downlink transmission by antenna 352, and processes this transmission to recover the information modulated to carrier wave.The information recovered by receiver 354 is supplied to reception Frame Handler 360, each frame is resolved by this reception Frame Handler 360, intermediate code 214(Fig. 2 is provided to channel processor 394), and provide data, control and reference signal to receiving processor 370.Subsequently, reception processor 370 performs the inverse operation of the process performed by processor 320 of the transmitting in node B310.These symbols unscrambled more specifically, receive processor 370 and de-spreads, and being subsequently based on modulation scheme to determine the node B310 most probable signal constellation point sent.These soft-decisions can based on the computed channel estimating amount obtained of channel processor 394.Subsequently, these soft-decisions are decoded and deinterleave, to recover data, control and reference signal.Subsequently, verify CRC code to determine whether these frames have been successfully decoded.Subsequently, the data entrained by the frame being successfully decoded being supplied to data sink 372, this data sink 372 represents the application and/or various user interface (such as, display) that run in UE350.Control signal entrained by the frame being successfully decoded is supplied to controller/processor 390.When frame is not successfully decoded by receiver processor 370, controller/processor 390 can also use confirmation (ACK) and/or Negative Acknowledgement (NACK) agreement to support the repeat requests for these frames.

In the uplink, the data from data source 378 are provided to transmitting processor 380 with the control signal carrying out self-controller/processor 390.Data source 378 can represent the application and various user interface (such as, keyboard) that run in UE350.Being similar to the function described in conjunction with the node B310 downlink transmission carried out, launching processor 380 provides various signal processing function to generate series of sign, and wherein these signal processing functions include: CRC code, contribute to realizing the coding of FEC and intertexture；It is mapped to signal constellation point；OVSF is used to carry out spread spectrum；And scrambling.Channel estimating amount can be used to select suitable coding, modulation, spread spectrum and/or scrambling scheme, wherein, this channel estimating amount is to be drawn according to the node B310 reference signal sent or according to the feedback comprised in the node B310 intermediate code sent by channel processor 394.Symbol produced by transmitting processor 380 is supplied to frame emission processor 382, in order to create frame structure.Frame emission processor 382 creates this frame structure by following operation: by these symbols and the intermediate code 214(Fig. 2 carrying out self-controller/processor 390) carry out multiplexing, thus producing series of frames.Subsequently, these frames being supplied to transmitter 356, this transmitter 356 provides various signal conditioning functions, wherein, these functions include: these frames are amplified, are filtered, and modulate on carrier wave by these frames, in order to carried out ul transmissions on the radio medium by antenna 352.

To be similar to the receiver function manner described in conjunction with UE350 place, at node B310 place, ul transmissions is processed.Receiver 335 receives ul transmissions by antenna 334, and processes this transmission to recover the information modulated to carrier wave.The information recovered by receiver 335 is supplied to reception Frame Handler 336, each frame is resolved by this reception Frame Handler 336, intermediate code 214(Fig. 2 is provided to channel processor 344), and provide data, control and reference signal to receiving processor 338.Reception processor 338 performs the inverse operation of the process performed by processor 380 of the transmitting in UE350.Data entrained by the frame being successfully decoded and control signal can be respectively supplied to data sink 339 and controller/processor.If receiving processor some frames not to be successfully decoded, then controller/processor 340 can also use ACK and/or NACK agreement to support the repeat requests for these frames.

Controller/processor 340 and 390 may be respectively used for instructing node B310 and the UE350 operation located.Such as, controller/processor 340 and 390 can provide various function, and these functions include timing, peripheral interface, Voltage Cortrol, power management and other control function.The computer-readable medium of memorizer 342 and 392 can be separately stored for data and the software of node B310 and UE350.Scheduler/the processor 346 at node B310 place may be used for UE Resources allocation, and dispatches the downlink transmission for these UE and/or ul transmissions.

In one aspect, controller/processor 340 and 390 can realize enhancement mode CQI renewal frequency.It is said that in general, in TD-SCDMA system, the physical layer procedure of high-speed downlink packet switched data transmission can include many aspects.In one aspect, as shown in Figure 6, only active UE can provide CQI result.So, owing to lacking the channel information of abundance at NodeB scheduler place, the aspect of CQI transmission may obtain relatively low throughput of system and airlink utilization rate in the downlink.

In one configures, device for wireless communications 350 includes: for from the unit of Node-B receiver CQI request, wherein, this CQI request is not associated with payload transmission；For generating the unit of CQI response；And for sending the unit of this CQI response to node.In one aspect, the unit for receiving can include receiver 354.In yet another aspect, the unit for generating can include controller/processor 390.In yet another aspect, the unit for sending can include transmitter 356.In another arrangement, device 350 includes the unit for sending CQI response after receiving CQI request at the time instance place of definition.In another arrangement, device 350 includes for the unit from Node-B receiver CQI request, and wherein, this node B is not serving UE actively.In another arrangement, device 350 includes the unit for using High-Speed Shared Control Channel (HS-SCCH) to be received.In another arrangement, device 350 includes the unit for using HS-SICH to be transmitted.In one aspect, said units can be arranged to perform the processor 360,380 and/or 390 of the function cited by said units.In yet another aspect, said units can be arranged to perform the module of the function cited by said units or any device.

In CQI renewal process, node B can also use HS-SCCH, sends one or more " CQI-requests " along the HS-SCCH being associated with the distribution of given scheduler with predetermined open loop power.In such, CQI-updates (such as, blank) HS-SCCH can be similar with conventional HS-SCCH, except the payload ID in blank HS-SCCH could be arranged to zero.This payload ID is set to zero can be completed by the change in TD-SCDMA third generation standard.So, the packet that will not have service updates HS-SCCH with CQI-and is associated.In one aspect, transmitting power can be set to predetermined open loop power at node B place.

In operation, after receiving CQI-and updating HS-SCCH, UE can feed back CQI during time instance, and wherein, this time instance is to update, at CQI, (such as, the timeline according to Fig. 6) determined HS-SCCH carries dispatching distribution.In further operation, UE utilizing CQI-to update the HS-SCCH CQI feedback carried out can be that this UE can the maximum data rate (assuming for the given HS-SCCH channel identical power of use and code/time dimension) of reliable reception.In one aspect, if UE can not correctly decode CQI-and update HS-SCCH, then will not update HS-SCCH in response to this CQI-and receive any feedback.

For example and and unrestricted, describe downlink system emulation, this Simulation Evaluation CQI-updates the HS-SCCH impact on data throughout.Table 1 has illustrated the contrast of the TD-HSDPA downlink throughput using and not using CQI-renewal HS-SCCH.Table 1 describes three kinds of situations: do not use CQI-to ask HS-SCCH, use CQI-to ask HS-SCCH and desirable CQI feedback (assuming that the every 5ms of each UE provides a feedback CQI as coboundary).Table 1 also describes the handling capacity contrast of the situation having 1,4,8 and 16 UE for each community.As shown in table 1, when there is multiple UE each community, compared to not using CQI-to ask the situation of HS-SCCH, the situation of HS-SCCH is asked to observe performance gain (50-60%) for using CQI-.

Table 1

Additionally, exemplary UE handling capacity cumulative distribution function (CDF) described in Fig. 4, to illustrate to use the CQI request HS-SCCH can for the benefit brought of the UE in system 400.

Fig. 5 illustrates the various methods according to various aspects of the invention.Although these methods being shown as and are described as a series of action or sequential steps in order to make interest of clarity, however, it should be understood that and it is realized that, the present invention is also not limited by the order of acts, because some actions can occur by different order and/or occur with other action described with shown in the application simultaneously.Such as, those skilled in the art should understand that and understand, a kind of method can be alternatively represented as a series of state and event (such as in state diagram) of being mutually related.Additionally, in order to realize the method according to the invention, the everything not depicted is all required.It addition, it should also be understood that what be disclosed below can be stored on goods with the method running through this description, to contribute to computer transmission and to transmit these methods.Term " goods " used herein is intended to the computer program that can access from any computer readable device, carrier or media.

Fig. 5 show according to an aspect of the present invention, when carrying out radio communication the functional block diagram 500 of the exemplary frame of execution.In frame 502, UE can receive blank CQI request.In one aspect, blank CQI request is not accompanied by effective load and/or payload ID.In yet another aspect, CQI request is by not receiving at the UE carrying out active communication with node B.In yet another aspect, it is possible to use HS-SCCH receives CQI request.In yet another aspect, CQI request can include definition open loop power value and code and time dimension angle value.In frame 504, UE can generate CQI response.In block 506, UE can send the CQI response generated.In one aspect, it is possible to after receiving CQI request, send this CQI response at the time instance place of definition.In yet another aspect, it is possible to use High Speed Shared Information controls channel (HS-SICH) and sends CQI response.

It is the communication conceptually illustrated in system 600 and the block diagram of the timing that is associated referring now to Fig. 6, this figure.As depicted in figure, it is shown that downlink 602 time slot and up-link 604 time slot.It is said that in general, access in (TD-HSDPA) system 600 in time division high speed downlink link packet, the physical layer procedure of high-speed downlink packet switched data transmission can include many aspects.In one aspect, after dispatching specific UE, node B sends the HS-SCCH for this UE in a frame 606.In one aspect, the time slot 608(of the definition quantity after HS-SCCH transmission 606 is such as, five time slots) after, node B can send corresponding packet according to the payload size specified in HS-SCCH606, modulation format and resource utilization (time/code space) in HS-PDSCH610.In one aspect, the definition quantity completed after HS-PDSCH time slot 612(such as, 9 time slots), UE can in the uplink to node B send HS-SICH, this HS-SICH be made up of confirmation 614 and the CQI information for specific cluster.In this aspect, it is assumed that received data is grouped the identical code of distribution, time and power resource, can carry out block size and the modulation format of reliable reception according to UE, the CQI information can fed back by UE can to the node B maximum data rate provided.In one aspect, as depicted in figure, only active UE can provide CQI result.So, owing to lacking enough channel informations at NodeB scheduler place, the aspect of CQI transmission is likely to obtain relatively low throughput of system and airlink utilization rate in the downlink.

Referring now to Fig. 7, it gives the block diagram of communication on the conceptive multiple time slots illustrating system 700.System 700 can include multiple time slot 702.Generally speaking, it is possible to control to send HS-SCCH channel by power, enough to guarantee UE receiver place mistake/erasing performances.Additionally, node B can use a time slot in multiple time slot 702 to communicate actively.In this aspect, it is possible to service HS-SCCH704 is sent to active UE.Hereafter, in one aspect, blank HS-SCCH706 during continuously available (sequenceavailable) time slot, can be sent to each other UE by node B.In this aspect, blank HS-SCCH706 transmission be can not be and completed by payload ID.Additionally, in described example, the blank HS-SCCH706 in this situation supposes the 10% of Ec/Ior.In one aspect, UE using CQI-to update the HS-SCCH CQI fed back can be the UE maximum data rate (assuming to use identical power and code/time dimension for given HS-SCCH channel) that can carry out reliable reception.

Referring now to Fig. 8, the figure shows can aid in obtain resource distribution UE800(such as, client device, Wireless Telecom Equipment (WCD) etc.) example.UE800 includes receiver 802, this receiver 802 receives one or more signals from such as one or more reception antenna (not shown), perform conventional action (such as, filtering, amplification, down coversion etc.) to the received signal, and be digitized for obtaining sampling by the signal after adjusting.Receiver 802 can also include: agitator, and it can provide carrier frequency to be demodulated to the received signal；And demodulator, it can be demodulated by the symbol received, and provides it to processor 806 for channel estimating.In one aspect, UE800 can also include auxiliary receiver 852, and can receive extra channel information.

Processor 806 may is that and is exclusively used in the information received by receiver 802 of analysis and/or generates for one or more transmitter 820(for the ease of illustrating, merely illustrates a transmitter) the processor of information of transmitting；Control the processor of one or more assemblies of UE800；And/or analyze the information received by receiver 802 and/or receiver 852, generate the information of the transmitting for transmitter 820 to launch on one or more transmitting antenna (not shown) and the processor of one or more assemblies of control UE800.

UE800 can also include memorizer 808, this memorizer 808 is operatively coupled to processor 806, and can store to launch data, the data of reception, the data being associated with the signal analyzed and/or interference strength about the information of available channel, about distribute the information of channel, power, speed etc. information and any other for estimating channel and the adequate information communicated by this channel.Memorizer 708 can also store and the agreement estimated and/or utilize channel to be associated and/or algorithm (such as, based on performance, based on capacity, etc.).

It should be appreciated that, data storage device described herein (such as, memorizer 808) both can be volatile memory can also be nonvolatile memory, or both volatile memory and nonvolatile memory can be comprised.Citing and non-exclusively, nonvolatile memory comprises the steps that read only memory (ROM), programming ROM (PROM), electrically programmable ROM(EPROM), electrically-erasable ROM (EEROM) (EEPROM) or flash memory.Volatile memory comprises the steps that random-access memory (ram), and it is used as external buffer memory.Citing and non-exclusively, RAM can have multiple available form, for instance: synchronous random access memory (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double-speed SDRAM(DDRSDRAM), enhancement mode SDRAM(ESDRAM), SynchlinkDRAM(SLDRAM) and direct-reading RambusRAM(DRRAM).The memorizer 808 of the system and method for the present invention is intended to include without the memorizer being to be only limitted to these and other suitable type any.

UE800 can also include CQI more new module 810, this more new module 810 can be used for contributing to the CQI process of UE800.In one aspect, CQI more new module 810 can include CQI respond module 812.In one aspect, CQI respond module 812 can be used for providing CQI feedback, and this CQI feedback instruction UE can carry out the maximum data rate (assuming to use identical power and/code/time dimension for given HS-SCCH channel) of reliable reception.In one aspect, if UE could not correctly decode CQI-and update HS-SCCH, then will not update HS-SCCH in response to this CQI-and send any feedback.This CQI process described in Fig. 5.

Additionally, in one aspect, processor 806 can provide: for receiving the unit of CQI request from service node B, wherein, this CQI request is not associated with payload transmission；For generating the unit of CQI response, wherein, the maximum data rate that this CQI response instruction UE can be received；And for sending the unit of CQI response to service node B.

It addition, UE800 can include user interface 840.User interface 840 may include that input mechanism 842, for being generated to the input of UE800；And output mechanism 842, for generating the information used by the user of UE800.Such as, input mechanism 842 can include such as mechanism such as button or keyboard, mouse, touch screen displays, mikes.Additionally, such as, output mechanism 844 can include display, audio tweeter, tactile feedback mechanism, individual territory net (PAN) transceiver etc..In shown, output mechanism 844 may include that display, for presenting content with image or video format；Or audio tweeter, for presenting content with audio format.

With reference to Fig. 9, example system 900 includes node B902, and this node B902 has: receiver 910, for receiving signal by multiple reception antennas 906 from one or more subscriber equipmenies 800；And transmitter 920, for being launched to one or more subscriber equipmenies 900 by multiple transmitting antennas 908.Receiver 910 can receive information from reception antenna 906.Can being analyzed symbol by processor 912, this processor 912 is similar to process as described above device, and it is coupled to storage and is related to the memorizer 914 of the information that data process.Processor 912 is additionally coupled to CQI more new module 916, and the latter contributes to communicating with one or more corresponding subscriber equipmenies 800, in order to obtain CQI information from inactive users equipment 800.

In one aspect, CQI more new module 916 may be used for realizing enhancement mode CQI renewal frequency in network 900.Additionally, CQI more new module 916 can include CQI request module 918.In one aspect, CQI request module 918 may be used for sending blank HS-SCCH to each other UE during continuously available time slot.In this aspect, blank HS-SCCH transmission can not be completed by payload ID.

The application gives some aspects of communication system with reference to TD-SCDMA system.The person skilled in the art will easily understand, the various aspects running through present invention description can expand to other communication systems, the network architecture and communication standard.For example, various aspects can expand to other UMTS system, for instance W-CDMA, HSDPA, High Speed Uplink Packet access (HSUPA), high-speed packet accesses and strengthens (HSPA+) and TD-CDMA.Various aspects can be extended to use Long Term Evolution (LTE) (in FDD, TDD or both patterns), senior LTE(LTE-A) (in FDD, TDD or both patterns), CDMA2000, Evolution-Data Optimized (EV-DO), Ultra-Mobile Broadband (UMB), IEEE802.11(Wi-Fi), IEEE802.16(WiMAX), IEEE802.20, ultra broadband (UWB), the system of bluetooth and/or other systems being suitable for.Practical communication standard, the network architecture and/or the communication standard used will depend upon which specific application and the overall design constraints condition that system is applied.

Some processors are described already in connection with each apparatus and method.Electronic hardware, computer software or its combination in any can be used to realize these processors.It is implemented as hardware or software as these processors, will depend upon which application-specific and the overall design constraints condition that system is applied.For example, utilize and be configured to perform at the microprocessor of various functions described in the whole disclosure, microcontroller, digital signal processor (DSP), field programmable gate array (FPGA), PLD (PLD), state machine, gate logic, discrete hardware circuit and other process assembly being suitable for, it is possible to achieve the combination in any of the processor, any part of processor or the processor that provide in the disclosure.Utilize the software performed by microprocessor, microcontroller, DSP or other platform being suitable for, it is possible to achieve the function of the combination in any of the processor, any part of processor or the processor that provide in the disclosure.

No matter be referred to as software, firmware, middleware, microcode, hardware description language or other, software should be broadly interpreted as expression instruction, instruction set, code, code segment, program code, program, subprogram, software module, application program, software application, software kit, routine, subroutine, object, executable program, the thread of execution, process, function etc..Software may be located on computer-readable medium.Computer-readable medium can include, but it is not limited to: such as magnetic storage apparatus is (such as, hard disk, floppy disk, tape) memorizer, CD (such as, compact disk (CD), digital versatile disc (DVD)), smart card and flash memory device (such as, card, rod, key drive), random-access memory (ram), read only memory (ROM), programming ROM (PROM), erasable PROM(EPROM), electric erasable PROM(EEPROM), depositor or portable hard drive.Although memorizer is illustrated as separating with processor in the various aspects presented in the whole disclosure, this memorizer can also in the inside (such as, buffer memory or depositor) of processor.

Computer-readable medium can be realized in computer program.For example, computer program can include computer-readable medium at encapsulating material.It should be recognized by those skilled in the art that the function described by how being best accomplished by providing in entire disclosure, depend on application-specific and the overall design constraints condition that whole system is applied.

It should be appreciated that the particular order of step in disclosed method or level are the illustrations of example process.It is to be understood that based on design preference, it is possible to rearrange particular order or the level of step in these methods.Appended claim to a method provides the key element of each step with exemplary order, and is not intended to be limited to given particular order or level, unless be wherein expressly recited.

There is provided described above, be to make any those skilled in the art can both realize the various aspects described in literary composition.The various modification of these aspects be will be apparent from for those skilled in the art, and in literary composition, the General Principle of definition can apply to other side.Therefore, claims are not intended to be limited to the aspect shown in literary composition, but it is consistent with the language of claims on the whole, wherein, mentioning of singulative element is not intended to expression " and only one " (unless having carried out such statement clearly), and indicates that " one or more ".Unless stated clearly, term " some " refers to one or more.Mention that the phrase of " at least one " in bulleted list refers to the combination in any of these projects, including single member.Such as, " at least one in a, b or c " is intended to: a；B；C:a and b；A and c；B and c；And a, b and c.During all 26S Proteasome Structure and Function equivalent form of values of the key element of the various aspects of described throughout this disclosure are expressly incorporated herein, and it is intended that claims are contained, these 26S Proteasome Structure and Function equivalent form of values are known to those skilled in the art or will be appreciated that.Additionally, do not have any disclosure to contribute to the public in the present invention, no matter whether such disclosure is expressly recited in detail in the claims.In addition, any key element of claim should not be explained according to the regulation of 35U.S.C. the 6th section of the 112nd article, unless this key element clearly have employed " be used for ... unit " phrase state, or in claim to a method, this key element be with " be used for ... step " phrase state.

Claims (15)

1. a method for wireless communications, including:

Asking from Node-B receiver channel quality indicator CQI, wherein, described CQI request is associated with the payload ID being set to zero, including open loop power value and code and the time dimension angle value of definition, and is sent during continuously available time slot by described node B；

In response to described CQI request, generate the CQI response for being sent to described node B, wherein, the maximum data rate that described CQI response instruction is associated with the downlink transmission from described node B；And

At the described CQI request time instance place by the definition after receiving, send described CQI response to described node B.

2. the method for claim 1, wherein described reception also includes:

Never serving CQI request described in the described Node-B receiver of UE actively.

3. the method for claim 1, wherein described reception also includes:

High-speed shared control channel HS-SCCH is used to be received.

4. the method for claim 1, wherein described transmission also includes:

Use High Speed Shared Information to control channel HS-SICH to be transmitted.

5. the method for claim 1, wherein described radio communication accesses execution in TD-HSDPA system in time division high speed downlink link packet.

6. a device for wireless communications, including:

For the unit from Node-B receiver CQI request, wherein, described CQI request is associated with the payload ID being set to zero, including open loop power value and code and the time dimension angle value of definition, and is sent during continuously available time slot by described node B；

For generating the unit of the CQI response for being sent to described node B in response to described CQI request, wherein, the maximum data rate that described CQI response instruction is associated with the downlink transmission from described node B；And

For being sent the unit of described CQI response to described node B by the time instance place of the definition after receiving in described CQI request.

7. device as claimed in claim 6, wherein, the described unit for receiving also includes:

For never serving the unit of CQI request described in the described Node-B receiver of UE actively.

8. device as claimed in claim 6, wherein, the described unit for receiving also includes:

For using the HS-SCCH unit being received.

9. device as claimed in claim 6, wherein, the described unit for sending also includes:

For using the HS-SICH unit being transmitted.

10. device as claimed in claim 6, wherein, described radio communication performs in TD-HSDPA system.

11. a device for wireless communications, including:

Receiver, it is configured to from Node-B receiver CQI request, and wherein, described CQI request is associated with the payload ID being set to zero, including open loop power value and code and the time dimension angle value of definition, and is sent during continuously available time slot by described node B；

At least one processor；And

It is coupled to the memorizer of at least one processor described；

Wherein, at least one processor described is configured that

The CQI response for being sent to described node B is generated in response to described CQI request, wherein, the maximum data rate that described CQI response instruction is associated with the downlink transmission from described node B；And

Transmitter, it is configured to be sent described CQI by the time instance place of the definition after receiving to described node B in described CQI request and responds.

12. device as claimed in claim 11, wherein, described node B is the node B not having to serve actively UE.

13. device as claimed in claim 11, wherein, described receiver is additionally configured to:

HS-SCCH is used to be received.

14. device as claimed in claim 11, wherein, described transmitter is additionally configured to:

HS-SICH is used to be transmitted.

15. device as claimed in claim 11, wherein, described radio communication performs in TD-HSDPA system.