This application claims entitled " the ENABLE SRS CC-BASED SWITCHING IN submitted on May 13rd, 2016The equity of the 62/336th, No. 386 U.S. Provisional Application of A WIRELESS COMMUNICATION SYSTEM ", entire contentsIt is incorporated herein by reference.
Specific embodiment
The disclosure is described with reference to the drawings, wherein identical appended drawing reference is used to refer to identical element always,And structure and equipment shown in it are not drawn necessarily to scale.As used herein, term " component ", " system "," interface " etc. is intended to indicate that and computer-related entity, hardware, software (for example, in executing) and/or firmware.For example, componentCan be processor (for example, microprocessor, controller or other processing equipments), the process run on a processor, controller,Object, executable program, program, storage equipment, computer, tablet computer and/or the user equipment (example with processing unitSuch as, mobile phone etc.).For example, the application and the server run on the server is also possible to component.One or more groupsPart may reside in process, and component can be located on computer and/or be distributed in two or multiple stage computers itBetween.A set of pieces or one group of other assemblies can be described herein, wherein term " group " can be interpreted " one or more ".
In addition, for example, these components can be from the various computer-readable of the various data structures being stored thereonIt is executed in storage medium, such as uses module.Component can be communicated via locally and/or remotely process, such as according to toolThere is the signal of one or more data groupings (for example, from interacting with another component in local system, distributed systemAnd/or the component interacted via signal in such as internet, local area network, wide area network or similar network and other systemsData).
As another example, component can be the device with specific function, which passes through by electrically or electronically circuitThe mechanical part of operation provides, wherein electrically or electronically circuit can be as the software application performed by one or more processorsOr firmware application operation.The one or more processors can be inside or outside the device, and can execute the softwareOr at least part of firmware application.As another example, component can be through electronic building brick rather than mechanical part providesThe device of specific function；It may include that one or more processors to execute at least partly assign electronic building brick in electronic building brickFunction software and/or firmware.
On the contrary, the use of word sample is intended to that concept is presented in specific ways.As used in this application, word "or"It is intended to indicate that the "or" of inclusive rather than exclusive "or".That is, unless otherwise prescribed, or clear from the context, " XAny naturally inclusive exchange is intended to indicate that using A or B ".That is, if X uses A；X uses B；Or X uses both A and B, thenAll meet " X uses A or B " under any above situation.In addition, being clearly directed toward odd number unless otherwise indicated or from the contextForm, otherwise "one" and "an" of article used in the application and appended claims generally should be construed as indicating " one/It is a kind of or multiple/a variety of ".In addition, just detailed description and claim in using word "comprising", " including ", " having ",For " having ", " having " or its variant, these words are intended in the mode similar with word " comprising " be inclusive.It is additionalGround, it is usually one or more to compile in the case where discussing one or more number project (for example, " the first X ", " the 2nd X " etc.)Number project is different or they are identical, but in some cases, context may indicate that they be different orPerson they be identical.
As used herein, term " circuit " may refer to, for part of it or include: execute it is one or more softThe specific integrated circuit (ASIC) of part or firmware program, electronic circuit, processor (shared, dedicated or group) and/or memory are (altogetherWith, dedicated or group), the combinational logic circuit and/or other suitable hardware components of described function are provided.In some implementationsIn example, circuit be can be implemented in one or more softwares or firmware module, or function associated with circuit can be by oneA or multiple softwares or firmware module are realized.In some embodiments, circuit may include at least partly with hardware operationLogic.
The hardware and/or software realization that suitable configurations can be used in embodiment described herein are into system.Fig. 1 is shownThe framework of the system 100 of network in accordance with some embodiments.System 100 is shown as including user equipment (UE) 101 and UE102.UE 101 and 102 is illustrated as smart phone (for example, the mobile meter of the hand-held touch screen that may be connected to one or more cellular networksCalculate equipment), but also may include any movement or stationary computing devices, such as personal digital assistant (PDA), pager,Laptop computer, desktop computer, radio hand-held equipment or any calculating equipment including wireless communication interface.
In some embodiments, any one of UE 101 and 102 may include Internet of Things (IoT) UE, can wrapInclude the network access layer for being designed as applying for the low-power IoT using short-term UE connection.IoT UE can use such as machineTechnology to machine (M2M) or machine type communication (MTC) is come via public land mobile network (PLMN), based on neighbouring clothesBusiness (ProSe) or device-to-device (D2D) communication, sensor network or IoT network and MTC server or devices exchange data.M2M or MTC data exchange can be the data exchange of machine initiation.IoT network describes the IoT UE of interconnection, may includeWith the unique identifiable embedding assembly equipment connected in short term (in the Internet infrastructure).After IoT UE can be executedPlatform facilitates the connection of IoT network using (for example, keeping efficient message, state update etc.).
UE 101 and 102 is configurable to connect (for example, communicative couplings) with Radio Access Network (RAN) 110 -- RAN110 can be such as evolved universal mobile communication system (UMTS) terrestrial access network (E-UTRAN), NextGen RANThe RAN of (NG RAN) or some other types.For UE 101 and 102 respectively using connection 103 and 104, each connection includes objectManage communication interface or layer (being discussed in further detail below)；In this example, connection 103 and 104 is illustrated as air interface with realityIt is now communicatively coupled, and cellular communication protocol can be met, such as global system for mobile communications (GSM) agreement, CDMA(CDMA) network protocol, push to speak (PTT) agreement, honeycomb PTT (POC) agreement, Universal Mobile Telecommunications System (UMTS) agreement,3GPP long term evolution (LTE) agreement, the 5th generation (5G) agreement, new wireless (NR) agreement etc..
In this embodiment, UE 101 and 102 can also be via the direct exchange communication data of ProSe interface 105.It is optionalGround, ProSe interface 105 can be referred to as the sidelinks interface including one or more logic channels, including but not limited to physicsSidelinks control channel (PSCCH), physical side link shared channels (PSSCH), physical side link discovery channel (PSDCH) and objectIt manages sidelinks broadcast channel (PSBCH).
UE 102 is illustrated as being configured to access access point (AP) 106 via connection 107.Connection 107 may include localIt is wirelessly connected, such as meets the connection of any 802.11 agreement of IEEE, wherein AP 106 will include Wireless FidelityRouter.In this example, AP 106 be shown connected to internet without connected to wireless system core network (below intoOne step detailed description).
RAN 110 may include the one or more access nodes for realizing connection 103 and 104.These access nodes (AN)It is properly termed as base station (BS), NodeB, evolution NodeB (eNB), next generation NodeB (gNB), RAN node etc., and may includeThe earth station's (for example, land access point) or satellite station of covering are provided in geographic area (for example, cell).RAN 110 can be withIncluding one or more RAN nodes (such as macro RAN node 111) for providing macrocell and for providing Femto cellOr picocell (for example, with the cell of smaller overlay area, smaller user capacity or more high bandwidth compared with macrocell)One or more RAN nodes (for example, low-power (LP) RAN node 112).
Any one of RAN node 111 and 112 can terminate air interface protocol, and can be UE 101 and 102The first communication center.In some embodiments, any one of RAN node 111 and 112 can satisfy various logic function,Wherein RAN 110 include but is not limited to radio network controller (RNC) function, such as radio bearer management, uplink and underThe management of line link dynamic radio resource and data grouping scheduling and mobile management.
According to some embodiments, according to the various communication technologys, such as, but not limited to orthogonal frequency division multiple access (OFDMA) communicates skillArt (for example, being used for downlink communication) or single-carrier frequency division multiple access (SC-FDMA) communication technology are (for example, be used for uplinkCommunicated with ProSe or sidelinks), UE 101 and 102 is configurable to using orthogonal frequency division multiplexing (OFDM) signal of communication each otherCommunication is communicated by any one of multicarrier communication channel and RAN node 111 and 112, but embodimentRange is without being limited thereto.Ofdm signal may include multiple orthogonal sub-carriers.
In some embodiments, down-chain resource grid can be used for from any one of RAN node 111 and 112To the downlink transmission of UE 101 and 102, while similar technology can be used in uplink transmission.Grid can be time-frequencyGrid, referred to as resource grid or running time-frequency resource grid are the physical resource in each time slot in downlink.This time-frequencyPlane expression is the common practice of ofdm system, this makes radio resource allocation become intuitive.Each column of resource grid and everyA line corresponds respectively to an OFDM symbol and an OFDM subcarrier.The duration of resource grid in the time domain corresponds to nothingA time slot in line frame.Minimum time frequency unit in resource grid is expressed as resource element.Each resource grid includes moreA resource block describes the mapping of certain physical channels to resource element.Each resource block includes resource element in frequency domainSet, this can indicate the minimum quantum for the resource that can currently distribute.In the presence of several differences conveyed using this resource blockPhysical down link channel.
User data and higher level signaling can be carried to 101 He of UE by physical down link sharing channel (PDSCH)102.Inter alia, physical downlink control channel (PDCCH) can be carried about transmission relevant to PDSCH channelThe information of format and resource allocation.It can also notify transmission lattice relevant to uplink shared channel to UE 101 and 102Formula, resource allocation and H-ARQ (mixed automatic repeat request) information.In general, can be based on from any one in UE 101 and 102The channel quality information of a feedback executes downlink scheduling (into cell at any one of RAN node 111 and 112 placeUE 102 assign control and shared channel resources block).It can be for each in (for example, being assigned to) UE 101 and 102Downlink resource assignment information is sent on a PDCCH.
Control channel element (CCE) can be used to transmit control information in PDCCH.It, can before being mapped to resource elementPDCCH complex-valued symbol is organized into four-tuple first, sub-block interleaver then can be used and it is replaced to carry out speedRate matching.One or more of these CCE can be used to transmit each PDCCH, wherein each CCE can correspond toReferred to as nine set of four physical resource elements of resource element groups (REG).It can be by four quadrature phase shift keying (QPSK)Symbol is mapped to each REG.Depending on the size and channel condition of down link control information (DCI), one can be usedOr multiple CCE transmit PDCCH.Different PDCCH format there are four types of can defining in LTE or more has differenceQuantity CCE (for example, polymerization grade, L=1,2,4 or 8).
The concept of the resource allocation for control channel information can be used in some embodiments, is the expansion of above-mentioned conceptExhibition.For example, enhancing physical downlink control channel (EPDCCH) can be used in some embodiments, come using PDSCH resourceCarry out control information transmission.One or more enhancings control channel element (ECCE) can be used to transmit EPDCCH.With it is above-mentionedSimilar, each ECCE can correspond to nine collection for referred to as enhancing four physical resource elements of resource element groups (EREG)It closes.In some cases, ECCE can have the EREG of other quantity.
RAN 110 is illustrated as being communicatively coupled to core network (CN) 120 via S1 interface 113.In embodiment, 120 CNIt can be the CN of evolution block core (EPC) network, NextGen block core (NPC) network or some other type.In the realityApply in example, S1 interface 113 is divided into two parts: S1-U interface 114 carries RAN node 111 and 112 and gateway (S-GW) the business datum between 122；It is RAN node 111 and 112 and MME with S1- mobility management entity (MME) interface 115Signaling interface between 121.
In this embodiment, CN 120 includes MME 121, S-GW 122, packet data network (PDN) gateway (P-GW)123 and home subscriber servers (HSS) 124.MME 121 can be functionally similar to traditional services general packet radio service(GPRS) the control plane of supporting node (SGSN).In terms of MME 121 can manage the mobility in access, such as gateway selectionAnd tracking zone list management.HSS 124 may include the database of the network user, including for supporting network entity processing logicalBelieve the subscription related information of session.CN 120 may include one or several HSS 124, this depend on mobile subscriber quantity,Capacity, tissue of network of equipment etc..For example, HSS 124 can be provided to routing/roaming, certification, authorization, name/addressing solutionThe certainly support of scheme, position dependence etc..
S-GW 122 can terminate the S1 interface 113 towards RAN 110, and route between RAN 110 and CN 120Data grouping.In addition, S-GW 122 can be the local mobility anchor for switching between RAN node, and can also provideFor anchor point ambulant between 3GPP.Other responsibilities may include lawful intercept, charge and some policy implementations.
P-GW 123 can terminate the SGi interface towards PDN.P-GW 123 can be via Internet protocol (IP) interface125 in EPC network 123 and the external network (net for example including application server 130 (being alternatively referred to as application function (AF))Network) between route data grouping.In general, application server 130 can be to provide by IP bearing resource and core network (for example,The domain UMTS packet service (PS), LTE PS data service etc.) element of application that is used together.In this embodiment, P-GW123 are illustrated as being communicatively coupled to application server 130 via IP communication interface 125.Application server 130 is also configured as propping upOne or more communication services of the UE 101 and 102 via CN 120 are held (for example, voice over internet protocol (VoIP) session, PTTSession, group communication sessions, social networking service etc.).
P-GW 123 can also be the node for strategy execution and accounting data collection.Strategy and charge execution function dressSet the strategy and charging control element that (PCRF) 126 is CN 120.In non-roaming scene, it is connect in the Internet protocol with UEIt accesses and may exist single PCRF in the associated home public land mobile network (HPLMN) of network (IP-CAN) session.?In the roaming scence converged with local service point, there may be in two PCRF:HPLMN associated with the IP-CAN session of UEOwnership PCRF (H-PCRF) and Visited Public Land mobile network (VPLMN) in interviewed PCRF (V-PCRF).PCRF 126Application server 130 can be communicatively coupled to via P-GW 123.Application server 130 can signal PCRF 126 withInstruction new demand servicing stream simultaneously selects service quality appropriate (QoS) and billing parameter.The rule can be supplied to tool by PCRF 126There are the strategy and accounting executive function devices (PCEF) of appropriate traffic flow template (TFT) and QoS class identifier (QCI) (not to showOut), start the QoS specified by application server 130 and charging.
Fig. 2 shows the example components of equipment 200 in accordance with some embodiments.In some embodiments, equipment 200 can be withIncluding application circuit 202, baseband circuit 204, radio frequency (RF) circuit 206, front-end module (FEM) circuit 208, one or more daysLine 210 and management circuit (PCM) 212, are at least coupled as shown together.The component of shown equipment 200 can be withIt is included in UE or RAN node.In some embodiments, equipment 200 may include less element (for example, RAN node can be withWithout using application circuit 202, but including processor/controller to handle from the received IP data of EPC).In some embodimentsIn, equipment 200 may include add ons, such as memory/storage, display, camera, sensor or input/output(I/O) interface.In other embodiments, component described below may include in more than one equipment (for example, the electricityRoad can individually comprise in the more than one equipment for cloud-RAN (C-RAN) embodiment).
Application circuit 202 may include one or more application processor.For example, application circuit 202 may include for exampleBut it is not limited to the circuit of one or more single core processors or multi-core processor.Processor may include general processor and dedicatedAny combination of processor (for example, graphics processor, application processor etc.).Processor can be coupled in or may include storageDevice/storage, and be configurable to: the instruction stored in memory/storage is executed, so that various applications or operating systemIt can run on the device 200.In some embodiments, the processor of application circuit 202 can handle from the received IP number of EPCAccording to grouping.
Baseband circuit 204 may include the electricity of such as, but not limited to one or more single core processors or multi-core processorRoad.Baseband circuit 204 may include one or more baseband processor or control logic, to handle the reception from RF circuit 206Baseband signal of the baseband signal and generation that signal path receives for the transmission signal path of RF circuit 206.Base band electricityRoad 204 can be connect with application circuit 202, for generating and handling baseband signal and control the operation of RF circuit 206.ExampleSuch as, in some embodiments, baseband circuit 204 may include the third generation (3G) baseband processor 204A, forth generation (4G) base bandProcessor 204B, the 5th generation (5G) baseband processor 204C or for it is in other existing generations, exploitation or will future developGeneration (for example, the second generation (2G), the 6th generation (6G) etc.) other baseband processor 204D.Baseband circuit 204 is (for example, base bandOne or more of processor 204A-D) can handle allow for it is wireless via RF circuit 206 and one or moreThe various radio control functions of the communication of electric network.In other embodiments, some or all of baseband processor 204A-DFunction may include in being stored in memory 204G and via in the module of central processing unit (CPU) 204E execution.NothingLine traffic control function can include but is not limited to signal modulation/demodulation, coding/decoding, radio frequency shift etc..In some embodiments,The modulation/demodulation circuit of baseband circuit 204 may include Fast Fourier Transform (FFT), precoding or constellation mapping/demappingFunction.In some embodiments, the coding/decoding circuit of baseband circuit 204 may include convolution, tail biting convolution, turbo,Viterbi or low-density checksum (LDPC) coder/decoder functionalities.Modulating/demodulating and coder/decoder functionalitiesEmbodiment is not limited to these examples, and in other embodiments may include other suitable functions.
In some embodiments, baseband circuit 204 may include one or more audio digital signal processors (DSP)204F.Audio DSP 204F may include the element for compression/de-compression and echo cancellor, and in other embodiments may be usedTo include other suitable processing elements.In some embodiments, the component of baseband circuit can be combined as suitable in individuallyIn chip, one single chip group, or it is arranged on identical circuit board.In some embodiments, baseband circuit 204 and applicationSome or all of circuit 202, which constitute component, to be implemented together, such as implement on system on chip (SOC).
In some embodiments, baseband circuit 204 can provide the communication compatible with one or more radio technologies.ExampleSuch as, in some embodiments, baseband circuit 204 can support with Evolved Universal Terrestrial wireless access network (E-UTRAN) or otherThe communication of wireless MAN (WMAN), WLAN (WLAN) or wireless personal area network (WPAN).Baseband circuit 204 is configured to prop upThe embodiment for holding the wireless communication of more than one wireless protocols is properly termed as multimode baseband circuit.
RF circuit 206 can enable to use the electromagnetic radiation progress and wireless network modulated by non-solid mediumCommunication.In various embodiments, RF circuit 206 may include switch, filter, amplifier etc., to facilitate and wireless networkCommunication.RF circuit 206 may include receiving signal path, may include receiving for down coversion from FEM circuit 208RF signal and the circuit that baseband signal is supplied to baseband circuit 204.RF circuit 206 can further include sending signal path,It may include that for baseband signal provided by up-conversion baseband circuit 204 and RF output signal is supplied to FEM circuit208 with the circuit for transmission.
In some embodiments, the reception signal path of RF circuit 206 may include mixer 206A, amplifier electricityRoad 206B and filter circuit 206C.In some embodiments, the transmission signal path of RF circuit 206 may include filterCircuit 206C and mixer 206A.RF circuit 206 can further include synthesizer circuit 206D, to be used for synthesized received signalThe frequency that path and the mixer 206A for sending signal path are used.In some embodiments, the mixed of signal path is receivedFrequency device circuit 206A is configurable to: based on frequency synthesis provided by synthesizer circuit 206D come down coversion from FEM circuit 208The RF signal received.Amplifier circuit 206B is configurable to: the signal after amplification down coversion, and filter circuit 206CIt can be low-pass filter (LPF) or bandpass filter (BPF), they are configured that from the signal removal after down coversion and are not intended toSignal, to generate output baseband signal.Output baseband signal can be supplied to baseband circuit 204, with for further processing.In some embodiments, output baseband signal can be zero frequency baseband signal, but this is not required that.In some embodiments,The mixer 206A for receiving signal path may include passive frequency mixer, but the range of embodiment is without being limited thereto.
In some embodiments, the mixer 206A for sending signal path is configurable to: being based on synthesizer circuitFrequency synthesis provided by 206D carrys out up-conversion input baseband signal, to generate the RF output signal for being used for FEM circuit 208.BaseBand signal can be provided by baseband circuit 204, and can be filtered by filter circuit 206C.
In some embodiments, it receives the mixer 206A of signal path and sends the mixer of signal path206A may include two or more frequency mixers, and can be arranged to quadrature frequency conversion and up-conversion respectively.OneIn a little embodiments, the mixer 206A for receiving signal path and the mixer 206A for sending signal path may includeTwo or more frequency mixers, and mirror image can be arranged to and inhibit (for example, Hartley mirror image inhibits).In some realitiesIt applies in example, the mixer 206A for receiving signal path and the mixer 206A for sending signal path can be respectively by clothIt sets for Direct-conversion and Direct conversion.In some embodiments, the mixer 206A and hair of signal path are receivedThe mixer 206A of signal path is sent to may be configured to superheterodyne operation.
In some embodiments, output baseband signal and input baseband signal can be analog baseband signal, but implementThe range of example is without being limited thereto.In some alternative embodiments, output baseband signal and input baseband signal can be digital basebandSignal.In these alternate embodiments, RF circuit 206 may include analog-digital converter (ADC) and digital analog converter (DAC) electricityRoad, and baseband circuit 204 may include digital baseband interface, to be communicated with RF circuit 206.
In some bimodulus embodiments, individual radio IC circuit can be provided, for each frequency spectrum processingSignal, but the range of embodiment is without being limited thereto.
In some embodiments, synthesizer circuit 206D can be decimal N synthesizer or decimal N/N+1 synthesizer, stillThe range of embodiment is without being limited thereto, because other kinds of frequency synthesizer can be suitably.For example, synthesizer circuit 206DIt can be delta-sigma synthesizer, frequency multiplier or the synthesizer including having the phaselocked loop of frequency divider.
Synthesizer circuit 206D is configurable to: synthesizing RF circuit 206 based on frequency input and divider control inputThe output frequency that uses of mixer 206A.In some embodiments, it is comprehensive to can be decimal N/N+1 by synthesizer circuit 206DClutch.
In some embodiments, frequency input can be provided by voltage controlled oscillator (VCO), but this is not required that.It depends onDesired output frequency, divider control input can be provided by baseband circuit 204 or application processor 202.In some implementationsIn example, divider control input (for example, N) can be determined from look-up table based on channel indicated by application processor 202.
The synthesizer circuit 206D of RF circuit 206 may include divider, delay phase-locked loop (DLL), multiplexer and phaseAccumulator.In some embodiments, divider can be bimodulus divider (DMD), and phase accumulator can be digital phaseBit accumulator (DPA).In some embodiments, DMD is configurable to (for example, based on carry) for input signal divided by N or N+1, to provide division of decimal ratio.In some example embodiments, DLL may include one group of cascade tunable delay memberPart, phase detectors, charge pump and D flip-flop.In these embodiments, delay element was configurable to the VCO period pointSolution is Nd equal phase groupings, wherein Nd is the quantity of the delay element in delay line.By this method, DLL provides negative anti-Feedback, to assist in ensuring that the total delay by delay line is a VCO period.
In some embodiments, synthesizer circuit 206D is configurable to: carrier frequency is generated as output frequency, andIn other embodiments, output frequency can be carrier frequency multiple (for example, twice of carrier frequency, carrier frequency fourTimes), and be used in combination with quadrature generator and divider circuit, to generate at the carrier frequencies relative to each other with multipleMultiple signals of out of phase.In some embodiments, output frequency can be LO frequency (fLO).In some embodiments, RFCircuit 206 may include IQ/ polar converter.
FEM circuit 208 may include receiving signal path, may be configured to from one or more antennas 210The RF signal received is operated, and amplifies the signal received and the amplified version for receiving signal is supplied to RF circuit206 with circuit for further processing.FEM circuit 208 can further include sending signal path, may be configured to putSignal provided by big RF circuit 206 for transmission by the one or more in one or more antennas 210 for being carried outThe circuit of transmission.In various embodiments, by send or receive signal path amplification can only in RF circuit 206 it is completeAt, only complete in FEM 208 or complete in 208 the two of RF circuit 206 and FEM.
In some embodiments, FEM circuit 208 may include TX/RX switch, to grasp in sending mode and reception patternIt is switched between work.FEM circuit may include receiving signal path and transmission signal path.The reception signal road of FEM circuitDiameter may include LNA, and to amplify the RF signal received, and (for example, to RF circuit 206) provides the RF of amplification receivedSignal is as output.The transmission signal path of FEM circuit 208 may include: power amplifier (PA), for amplifying (for example, RFProvided by circuit 206) input rf signal；And one or more filters, for generating RF signal, with for (for example, byOne or more progress in one or more antennas 210) then send.
In some embodiments, PMC 212 can manage the power for being supplied to baseband circuit 204.Specifically, 212 PMCIt can control power supply selection, voltage scaling, battery charging or DC-DC conversion.When equipment 200 can be battery powered, for example,It usually may include PMC 212 when equipment includes in UE.Power conversion efficiency can be improved in PMC 212, while providing the phaseThe realization scale and heat dissipation characteristics of prestige.
Although Fig. 2 shows the PMC 212 only coupled with baseband circuit 204.However, in other embodiments, PMC 212 canAdditionally or alternatively to be coupled with other assemblies (such as, but not limited to application circuit 202, RF circuit 206 or FEM 208), andAnd other assemblies are executed with similar power management operation.
In some embodiments, PMC 212 can control or otherwise as the various electricity-saving mechanisms of equipment 200A part.For example, if equipment 200 is in RRC_Connected state, wherein it is still attached to RAN node, because of its phasePrestige receives business quickly, then it can enter the state for being known as discontinuous reception pattern (DRX) after one inactive time.During this state, equipment 200 can power off in of short duration time interval, to save power.
If not having data service activity within the extended period, equipment 200 may switch to RRC_Idle state,Wherein it disconnects the connection with network and does not execute the operation such as channel-quality feedback, switching.Equipment 200 enters veryThe state of low-power, and it executes paging, and wherein it is periodically waken up again to monitor network, is then powered off again.IfStandby 200 may not receive data in this case, and in order to receive data, it must convert back RRC_Connected state.
Additional battery saving mode can permit the equipment period not available for network and be longer than paging interval (range be from severalSecond to a few houres).During this period, equipment can not access network completely and may be fully powered-off.Any number sent during this periodAccording to can all generate very big delay, and assume that delay is acceptable.
The processor of application circuit 202 and the processor of baseband circuit 204 can be used for executing one or more of protocol stackThe element of a example.For example, the processor (alone or in combination) of baseband circuit 204 can be used for 1 function of execution level 3, layer 2 or layerCan, while the processor of application circuit 204 can use from these layer of received data (for example, packet data) and further hold4 function of row layer (for example, transport communication protocol (TCP) and User Datagram Protocol (UDP) layer).As mentioned in this article, layer 3 canTo include wireless heterogeneous networks (RRC) layer, it is described more fully.As mentioned in this article, layer 2 may include mediumAccess control (MAC) layer, wireless spread-spectrum technology (RLC) layer and packet data convergence protocol (PDCP) layer, below will be further detailedThin description.As mentioned in this article, layer 1 may include physics (PHY) layer of UE/RAN node, will further retouch in detail belowIt states.
Fig. 3 shows the example interface of baseband circuit in accordance with some embodiments.As described above, the baseband circuit 204 of Fig. 2The memory 204G that may include processor 204A-204E and used by the processor.It is each in processor 204A-204EIt is a to respectively include memory interface 304A-304E, with to memory 204G send data/from memory 204G receive numberAccording to.
Baseband circuit 204 can also include one or more interfaces, to be communicatively coupled to other circuit/equipment, such as depositMemory interface 312 is (for example, for memory transmission data baseband circuit 204 outside/from depositing outside baseband circuit 204The interface of reservoir reception data), application circuit interface 314 is (for example, for sending data/from Fig. 2 to the application circuit 202 of Fig. 2Application circuit 202 receive the interfaces of data), RF circuit interface 316 is (for example, send data/from figure to the RF circuit 206 of Fig. 22 RF circuit 206 receives the interface of data), radio hardware connecting interface 318 (for example, for near-field communication (NFC) component,Component is (for example, low-power consumption)、Component and other communication components send data/receive from it numberAccording to interface) and power management interface 320 (for example, to PMC 212 send power or control signal/from PMC 212 receive functionRate or the interface for controlling signal).
In general, UE (user equipment) can support more CC (components of DL (downlink) compared with UL (uplink)Carrier wave).For supporting the carrier wave of uplink and both downlink, without using PMI (precoding matrix indicators) and useThe feedback based on transmission diversity of SRS (detection reference signal) can be it is beneficial because channel reciprocity can be used.SoAnd UE usually has the ability for polymerizeing more multicarrier than in UL in DL.As a result, UE with DL transmission some TDD (whenDividing duplex) carrier wave can not have the UL including SRS and transmit, and channel reciprocity cannot be used for these carrier waves.It (is carried in CAWave polymerization) enhancing up to 32 CC (wherein most CC is TDD) in the case where, such case may become more serious.
The new of " the LTE switching based on SRS carrier wave " is had approved in RAN#71 (1 meeting 71 of Radio Access Network working group)Work item.Main target is to provide a possibility that transmitting SRS on CC of the uplink for PUSCH transmission is not configured, with logicalIt crosses using channel reciprocity and realizes that the rapid link of TDD carrier wave is adaptive and Wave beam forming.
In Rel-13 (version 13) LTE (long term evolution), UL DCI (down link control information) format can be triggeredDispatch the transmission of the SRS on the same CC of PUSCH transmission.In addition, for TDD, 1 bit SRS request field of DL DCI formatIt can be used for triggering the SRS transmission on the UL CC of SIB-2 (system information block 2) link.
In general, the UL without SRS CC permits, wherein UE is not configured passes for PUSCH (physical uplink shared channel)It is defeated, and exist and trigger limitation using the SRS of 1 bit SRS request field of DL DCI format.However, the technology being discussed hereinThe switching based on SRS CC may be implemented, it can be to have the effective means of the control overhead minimized to trigger SRS transmission.?It, can be using the enhancing that one or more SRS transmissions on the SRS CC of PUSCH are not configured for Dynamic trigger in various aspectsThe design of DL DCI format and various modules.Additionally, it in all fields, can be based on using the signaling mechanism being discussed hereinThe DL CC and normal ULCC of configuration determines SRS CC.It in certain aspects, can be using based on UpPTS (uplink pilotTime slot) the SRS avoided based on the handoff technique of SRS CC on normal CC and PUCCH (physical uplink control channel)/Conflict between PUSCH.In addition, in all fields (it is (automatic to repeat to ask that ARQ can be mixed using the HARQ being discussed hereinAsk) sequential relationship between-ACK (response) and SRS transmission.It additionally, in certain aspects, can be using the use being discussed hereinIn the specific DCI format design of the UE group of SRS transmission triggering.
Techniques described herein can contribute to switching based on SRS CC and aperiodicity SRS (also referred herein as" A-SRS ") transmission triggering.In certain aspects, the technology being discussed herein, which can be used for triggering, is not configured with PUSCH transmissionSRS transmission on CC.
As it is used herein, " SRS CC " is indicated to be not configured with PUSCH transmission but can be configured with the UL of SRS transmissionCC, and " normal CC " indicates the UL CC that can be configured with any UL channel (for example, at least PUSCH and SRS).
With reference to Fig. 4, showing in conjunction with the various aspects being discussed herein includes at least one normal CC and at least one SRSThe diagram of the exemplary CC configuration of both CC.A kind of possible CA configuration that Fig. 4 shows for realizing the switching based on SRS CC,It can be used in LTE system or other wireless systems.CA configuration may include multiple normal CC, such as the CC#0 in Fig. 4 andCC#1, wherein PUSCH transmission is configured on the UL 450 and 460 of its SIB-2 link, as shown in Rel-13.More specifically, alsoIt may include multiple SRS CC, for example, CC#2 and CC#3, wherein not configuring PUSCH on the UL 470 and 480 of SIB-2 linkTransmission.SRS is transmitted in permission on UL CC 470 and 480, such as is transmitted in a tdm fashion, by being existed using channel reciprocityRealize that the rapid link of DL transmission is adaptive and Wave beam forming on CC#2 and CC#3.
With reference to Fig. 5, show according to various aspects described herein can be used at UE (user equipment) facilitateThe block diagram of the system 500 of switching based on SRS CC.System 500 may include with processing circuit and associated memory interface(such as memory interface in conjunction with Fig. 3 discussion) one or more processors 510 (for example, one or more baseband processor,Such as one or more baseband processor in conjunction with Fig. 2 and/or Fig. 3 discussion), transceiver circuit 520 (e.g., including one orMultiple transmitter circuitrys or receiver circuit, can be using omnibus circuit element, different circuit element or combinations thereof), storage(it may include any one of various storage mediums to device 530, and can store and processor 510 and transceiver circuitOne or more of 520 associated instructions and/or data).In in all fields, system 500 may include setting in userIn standby (UE).As described in more detail below, system 500 can contribute to UE and the one or more for PUSCH be not configuredThe SRS of triggering is generated on CC.
With reference to Fig. 6, show according to various aspects described herein can be used at BS (base station) facilitate UE'sThe block diagram of the system 600 of switching based on SRS CC.System 600 may include with processing circuit and associated memory interface(such as memory interface in conjunction with Fig. 3 discussion) one or more processors 610 (for example, one or more baseband processor,Such as one or more baseband processor in conjunction with Fig. 2 and/or Fig. 3 discussion), telecommunication circuit 620 (for example, its may include useIn one or more wired (such as X2 etc.) connection circuit and/or may include transmitter circuitry (for example, with one or moreSend chain is associated) or one or more of receiver circuit (for example, associated with one or more reception chains) transmitting-receivingElectromechanical road, wherein transmitter circuitry and receiver circuit can be using omnibus circuit elements, different circuit elements or combinations thereof)And (it may include any one of various storage mediums to memory 630, and can store and processor 610 and logicalBelieve one or more of circuit 620 associated instruction and/or data).In in all fields, system 600 may includeEvolved universal terrestrial radio access network (E-UTRAN) node B (evolution node B, eNodeB or eNB) in cordless communication networkOr in other base stations.In certain aspects, processor 610, telecommunication circuit 620 and memory 630 may include in individual equipmentIn, and in other respects in, they may include a part of such as distributed structure/architecture in different equipment.As it is following moreDetailed description, according to the various aspects being discussed herein, system 600 can contribute to UE and be not configured one for PUSCHOr SRS is triggered on multiple CC.
In the various aspects being discussed herein, the signal being used for transmission and/or message are can be generated and exported, and can be withReceive and handle transmitted message.Depending on the signal of generation or the type of message, the output being used for transmission is (for example, pass throughProcessor 510, processor 610 etc.) may include one of the following or multiple: generate the pass of the content of indication signal or messageJoin bit set；Coding is (for example, it may include adding cyclic redundancy check (CRC) and/or via turbo code, low-density surpriseOne or more in even parity check (LDPC) code, tail-biting convolutional code (TBCC) etc. is encoded)；Scrambling is (for example, based on scrambling kindSon)；Modulation is (for example, via binary phase shift keying (BPSK), quadrature phase shift keying (QPSK) and some form of quadrature amplitudeModulate (QAM) first-class) and/or resource impact (for example, be mapped to the resource collection of scheduling, uplink transmission license whenBetween and frequency resource groups etc.).Depending on received signal or the type of message, processing is (for example, pass through processor 510, processingDevice 610 etc.) may include one of the following or multiple: identification physical resource associated with signal/message；Detection signal/Message；Resource element groups deinterleave；Demodulation；Descrambling；And/or decoding.
In in all fields, UL SRS CC can be the subset of the DL CC configured for giving UE, can rootAccording to the channel reciprocity of the DL serving cell for all configurations of various technical supports being discussed herein.Additionally, in certain aspects,A new IE (information element) can be introduced for the combination of each frequency band, may indicate whether the base for supporting specific CA configurationIn the switching of SRS CC.
In in all fields, in response to the PDSCH on dispatch service cell c PDCCH (for example, electromechanical via transmitting-receivingRoad 520 receive simultaneously is decoded by processor 510) in detect certainly SRS request, UE can (for example, via processor 510) determineServing cell or CC and corresponding SRS configuration are to transmit (for example, via transceiver circuit 520) SRS (for example, by processor510 generate).It as discussed in this article can be via telecommunication circuit 620 at BS (base station, for example, eNB etc.) by the SRS that UE is transmittedReceiving and being handled by processor 610 (for example, processor 610 can measure SRS on given CC, and can be given based on being directed toThe measured SRS of CC is determined to estimate the UL channel quality of given CC).
In in all fields, it can be grouped into give all CC (including both normal CC and SRS CC) of UE configurationOne or more CC set.Each CC set may include at least one normal CC.RRC (wireless heterogeneous networks) can be passed throughSignaling (for example, being generated by processor 610, sends via telecommunication circuit 620, receives via telecommunication circuit 520, and via placeReason device 510 is handled) mapping that SRS CC gathers to corresponding CC is configured, and the set sizes of each CC set can be by RRCControl.RRC can additionally provide unique CC set ID for each SRS CC, this can contribute to the management of SRS CC.In various such aspects, the handover operation based on SRS carrier wave can be limited to the CC in same CC set.In all fieldsIn, CC can be based on band information in groups.For example, the CC in identical frequency band can be grouped into CC set, to minimize switchingBreak period (that is, gap) between period difference UL carrier wave.In certain aspects, for the CC collection of the switching based on SRS CCThe sequence of CC in conjunction can be explicitly configured to a part of RRC signaling.Alternatively, in other respects, the sequence of CCIt can be based on SRS CC index.
In various embodiments, 1 bit SRS request bit of DL DCI format can be used for triggering based on set based onThe switching of SRS CC.For example, detecting SRS request (example certainly in the PDCCH of the PUSCH/PDSCH on dispatch service cell cSuch as, " 0 " in the field value as discussed in exemplified here " 1 " or other embodiments) when, UE can be in same CC setSRS is transmitted on all SRS CC.With reference to Fig. 7, be shown being shown based on 1 bit SRS field according to the various aspects being discussed hereinThe diagram of the exemplary scene of switching out based on SRS CC.As shown in fig. 7, when (for example, based on via transceiver circuit 520Received signaling, passes through processor 510) when detecting that SRS request field is set to the PDCCH 710 of " 1 ", UE can be(for example, via transceiver circuit 520) SRS 730 (for example, being generated by processor 510) is transmitted on CC0 and in same CC collectionIt closes and transmits SRS 740 and 750 (for example, being generated by processor 510) on 720 SRS CC1 and SRS CC2, when can be based onOrder relation (for example, it can be predefined via higher level signaling (for example, RRC etc.) or configures) and interruption gap 760 and 770(for example, its can be predefined).In in other respects, the SRS timing different from shown in Fig. 7 can be used.For example, notIt can be located in the last symbol of different subframes with the SRS transmission on CC.In these aspects, between these SRS subframeSequential relationship can be predefined or be configured by higher level signaling (for example, being generated by processor 610, via telecommunication circuit 620Transmission receives, and handled by processor 510 via transceiver circuit 520).
In in all fields, SRS request field size may include more than 1 bit (for example, 2 bits).In these areasIn, according to the value of the SRS request field of DL DCI format, such as in exemplary more bit SRS request fields of following table 1In, the more than one SRS transmission on multiple SRS CC can be triggered (for example, being generated by processor 510, via transmitting-receiving electromechanicsRoad 520 is transmitted, and is received via telecommunication circuit 620, and handled by processor 610).In certain aspects, can be believed by RRCIt enables to configure service cell set.In some embodiments, some in more bit (for example, 2 bits) SRS request fields but simultaneouslyIt is not all to exist with DCI format, for example, DCI format 1A, 2B, 2C and 2D.In other embodiments, for all DL DCI latticeFormula may exist more bit SRS request fields.In certain aspects, it other than serving cell index information, is passed for SRSNotation index in defeated subframe can be configured by higher (for example, generating via processor 610, passing via telecommunication circuit 620Higher level signaling that is defeated, receiving via transceiver circuit 520 and handled by processor 510).It, can be via in other respectsDCI format dynamic instruction symbol index is (for example, the appropriate format generated via processor 610 is (for example, it can be depended in factApply example) DCI instruction, transmit, received via transceiver circuit 520, and by processor 510 via telecommunication circuit 620Reason).
The SRS request field of DL DCI format (for example, 1A/2B/2C/2D) in the specific search space table 1:UE
In in all fields, single public SRS can be configured for DCI format 1A/2B/2C/2D by higher level signalingParameter sets (for example, being generated by processor 610, transmit via telecommunication circuit 620, is received via transceiver circuit 520, andIt is handled by processor 510).The conjunction of public SRS parameter set may include one of the following or multiple: transmission comb, starting PRB (objectManage resource block) appointment, duration, SRS period and offset index, SRS bandwidth, frequency hopping bandwidth, cyclic shift and/or antenna endMouth number of parameters.For example, SRS CC may include by being transmitted on any serving cell (for example, raw via processor 610At DCI telecommunication circuit 620, can via transceiver circuit 520 receive and be handled by processor 510) DCI formatIn the first service set of cells or second service set of cells of the aperiodic SRS transmission triggering that 1A/2B/2C/2D is carried out.WithRoutine techniques is compared, and this technology can provide greater flexibility for the SRS transmission on SRS CC.
In in terms of another group, the service of transmission DCI (for example, format 1A/2B/2C/2D/3B etc.) can be additionally utilizedCell information comes via one or more supports in 2 bit SRS request fields and/or serving cell index for SRS transmissionUp to four individual service cell sets of triggering.Up to four individual service cell sets can be supported by showing in table 2SRS request field an example, show utilize SRS request field and service cell index combined example:
The SRS request field of DL DCI format (for example, 1A/2B/2C/2D) in the specific search space table 2:UE
In in all fields, the combination of 2 bit SRS request fields and service cell index can be used for triggering specific CC collectionThe SRS transmission on associated serving cell in conjunction.Following table 3 provide these in terms of SRS request field exemplary setIt closes:
The SRS request field of DL DCI format (for example, 1A/2B/2C/2D) in the specific search space table 2:UE
In in all fields, service cell set in table 3 and SRS parameter set close can by higher using independent IE LaiIt is respectively configured.It additionally, in certain aspects, can by RRC signaling, clearly to configure < mono- service small with UE ad hoc fashionArea, one of SRS request field value>combination and the combination of corresponding CC set or<CC index of set, SRS parameter set conjunction index>Between association (for example, generated by processor 610, transmit via telecommunication circuit 620, received via transceiver circuit 520, withAnd handled by processor 510).
In in all fields, in order to reduce RRC signaling expense, the CC index in the combination of table 2 or table 3 is not needed in the skyTransmission.In such aspect, it is possible to specify for impliedly by the one or more CC and specific CC for being used for SRS transmission triggeringGather associated rule.
In certain aspects, CC " k " can be used in (k+1) service cell set triggering SRS transmission, wherein k=NMod L, N indicates the quantity of CC, and L is the sum for given UE by the RRC CC set configured.As an example, for N=16 and L=4, then any cell of<CC0, CC4, CC8, CC12>can be with " 10 " together for trigger configured by higher theThe SRS transmission of one CC set.
In in all fields, serving cell can be grouped into multiple cell groups (CG) first.In such aspect, oftenOne CG may include at least one CC that can be configured with PUSCH transmission.Then, by setting 2 bit SRS request fieldsThere are an analog value (for example, " 10 " or " 11 "), can be used and belong to any serving cell of CG ' X ' to trigger in CG ' X 'The SRS transmission of CC set.If the corresponding SRS request field of DL format be set to triggering SRS transmission, decoding (for example,Via processor 510) DL DCI on any serving cell in CG (for example, format 1A/2B/2C/2D/3B etc., via transmitting-receivingElectromechanical road 520 is received) when, UE can execute the SRS transmission of serving cell associated with CG (for example, via processor 510The transceiver circuit 520 of the SRS of generation).
In in all fields, the SRS transmission of triggering can be limited to uplink pilot time slot (UpPTS) field, to avoidWith on other normal CC PUSCH or PUCCH conflict.
With reference to Fig. 8, shows and cutting based on SRS CC is shown using UpPTS resource according to the various aspects being discussed hereinThe diagram for the exemplary scene changed.In the example of fig. 8, SRS CC1 and CC2 can be grouped into CC set (for example, due to placeIn in identical frequency band), the SRS 820 (for example, being generated by processor 510) on SRS 810 and SRC CC2 on SRS CC1 canVia specific sub-frame 800 (for example, it may include DwPTS (down link pilot timeslot), optional protective time slot and UpPTS)Single UpPTS in distinct symbols transmit (for example, via transceiver circuit 520).Notation index 810 and 820 or UpPTSIn position can clearly be configured by the RRC information of a part configured as SRS resource (for example, being given birth to by processor 610At transmitting, received via transceiver circuit 520, and handled by processor 510 via telecommunication circuit 620), or can be byPhysics DCI format dynamic instruction by processor 610 (for example, being generated, being transmitted, via telecommunication circuit 620 via transceiver circuit520 receive and in the DCI message that is handled by processor 510).In addition, DCI format may be used to indicate that bandwidth, UL antenna, whenOne or more of sequence etc..In one exemplary embodiment, UE can be configured with the position SRS and/or bandwidth and/or antennaFour kinds of index may combination.In such aspect, 2 bit SRS request fields of DL DCI format can be used for according to pre-The mapping relations of definition trigger one of four kinds of combinations.In the case where the break period is the magnitude of 10 μ s or 100 μ s, in this wayEmbodiment can be advantageous.
For the SRS switching between interband CC, the break period may may be up to several milliseconds.Different UE are come from order to be alignedSRS receiving time, the uncontested random access to be sorted by PDCCH can be initiated before the SRS transmission on SRS CC(CFRA) process is to obtain timing advance value.In certain aspects, the SRS transmission on one or more SRS CC can be randomTriggered in access response (RAR) license (for example, being generated by processor 610, transmitted via telecommunication circuit 620, it is electromechanical via transmitting-receivingRoad 520 receives, and is handled by processor 510).For example, SRS can be triggered via the new bit for being added to conventional RAR.It replacesDai Di can reinterpret the existing bit (for example, CQI request bit) of RAR to trigger SRS transmission.
In using some aspects of the DL DCI format to trigger the SRS transmission on SRS CC, HARQ-ACK timing withThere may be fixed sequential relationships between SRS timing.As an example, for being passed based on DL HARQ-ACK timelineIt, can be in subsequent (for example, first available, etc.) the specific SRS machine of cell after sending the correspondence PUCCH subframe of HARQ-ACKSRS transmission is dispatched in meeting.In other embodiments, it can be closed using other fixations between HARQ-ACK timing and SRS timingSystem.Alternatively, in various embodiments, SRS (for example, being generated by processor 510) transmission is (for example, via transceiver circuit520) can be in subframe identical with the subframe of HARQ-ACK, and (for example, by processor 510) shortening can be usedPUCCH format.
In certain aspects, new DCI format introduced herein can be defined to trigger multiple UE's on different UL CCSRS transmission.New DCI format may include UL CC index and SRS configuration.It additionally, can be the biography of PDCCH in all respectsIt is defeated to define new RNTI (radio network temporary identifier, for example, SRS-RNTI), wherein CRC (cyclic redundancy check) can be by SRS-RNTI scrambling.In in all fields, which can be predefined, or can be believed by higher via SIB or RRCConfiguration is enabled (for example, being generated by processor 610, to transmit, receive via transceiver circuit 520, Yi Jiyou via telecommunication circuit 620The processing of processor 510).In addition, in order to avoid excessive blind decoding is attempted, which can be used zero padding withThe matching of other DCI formats.
In certain aspects, the cell-specific parameters including SRS configuration of each CC may include in new DCI.GinsengFig. 9 is examined, the exemplary diagram of the SRS configuration of multiple CC of the new DCI format according to the various aspects being discussed herein is shown.?It may include the SRS configuration of N number of CC in new DCI format.In the example depicted in fig. 9, the first UE (UE#1) can obtain CC#0With the SRS configuration information of CC#2, and the 2nd UE (UE#2) can obtain the SRS configuration information of CC#2 and CC#3.
With reference to Figure 10, shows and the switching based on SRS CC is carried out according to the UE that facilitates for the various aspects being discussed hereinThe flow chart of illustrative methods 1000.In in other respects, machine readable media can store finger associated with method 1000It enables, which can make the movement of UE execution method 1000 when executed.
At 1010, one or more SRS CC can be determined from the CC of multiple configurations.
At 1020, the DCI message of triggering SRS transmission can receive.
At 1030, SRS can be transmitted via at least one of one or more SRS CC based on DCI message.
Additionally or alternatively, method 1000 may include that one or more other described herein of system 500 is combined to moveMake.
With reference to Figure 11, show according to the various aspects being discussed herein can be used at BS facilitate one or moreUE carries out the flow chart of the illustrative methods 1100 of the switching based on SRS CC.In in other respects, machine readable media can be withInstruction associated with method 1100 is stored, which can make the movement of BS execution method 1100 when executed.
At 1110, UE can be configured with multiple CC including DL CC and UL CC, wherein at least one of UL CCIt is SRS CC.
At 1120, DCI message can be transmitted comprising trigger the SRS request field of the SRS transmission of UE.
At 1130, SRS can be received via at least one of SRS CC based on SRS request field.
Additionally or alternatively, method 1100 may include that one or more other described herein of system 600 is combined to moveMake.
Example herein may include such as method, for realizing the movement of method or the module of block including executableInstruction at least one machine readable media theme, the executable instruction by machine (for example, have memory, dedicated collectionAt the processor of circuit (ASIC), field programmable gate array (FPGA) etc.) when executing, according to described embodiment and example,Machine executed method or device or system is set to carry out the movement of concurrent communication using a variety of communication technologys.
Example 1 is that one kind is configured to the device used in user equipment (UE), comprising: memory interface；With processing electricityRoad is configured that from the CC (component carrier) of multiple configurations and determines one or more SRS (detection reference signal) CC, multipleThe CC of configuration includes DL (downlink) CC and one or more UL (uplink) CC configured of one or more configurations,In, each of one or more SRS CC SRS CC is to be not configured in one or more UL CC configured for PUSCHThe UL CC of the configuration of (physical uplink shared channel)；Decode the first DCI (down link control information) message；At least portionDivide ground to be based on the first DCI message, generates the SRS of each of at least one SRS CC of one or more SRS CC；AndMemory is sent by one or more identifiers associated with one or more SRS CC via memory interface.
Example 2 includes the theme of any modification of example 1, wherein each of one or more SRS CC are oneOr one in the DL CC of multiple configurations.
Example 3 includes the theme of any modification in example 1, wherein it is one or more that processing circuit is additionally configured to processingIE (information element), wherein each of one or more IE indicate whether that one or more CA (carrier wave polymerization) is supported to matchThe switching based on SRS CC of associated CA configuration in setting.
Example 4 includes the theme of any modification of any example in example 1-3, wherein processing circuit is configured at least portionThe SRS for dividing ground to generate each of one or more SRS CC based on SRS request field, wherein SRS request field is 1 ratioOne of special field and 2 bit fields.
Example 5 includes the theme of any modification of example 4, wherein the first DCI message includes SRS request field.
Example 6 includes the theme of any modification of example 4, wherein it includes SRS request word that processing circuit, which is additionally configured to processing,RAR (random access response) message of section.
Example 7 includes the theme of any modification of example 4, wherein processing circuit is additionally configured to will be each in multiple CCA CC is associated with the CC set in one or more CC set, wherein SRS request field indicates in one or more CC setThe first CC set, and wherein, at least one SRS CC is associated with the first CC set.
Example 8 includes the theme of any modification of example 7, wherein each of one or more CC set CC setAt least one UL CC including being configured for PUSCH.
Example 9 includes the theme of any modification of any example in example 1-3, wherein processing circuit is additionally configured nearThe SRS of each of few SRS CC SRS CC is mapped to the UpPTS (uplink pilot time slot) of specific sub-frame noSame symbol.
Example 10 includes the theme of any modification of any example in example 1-3, wherein processing circuit is configured toOne of RRC (wireless heterogeneous networks) signaling and the 2nd DCI message determine one or more SRS parameters, wherein one or moreSRS parameter includes at least one of the following: bandwidth, one or more notation indexs, one or more UL antenna and oneOr multiple SRS transmission timing.
Example 11 includes the theme of any modification of any example in example 1-3, wherein processing circuit is configured in HARQAfter correspondence PUCCH (physical uplink control channel) subframe of (mixed automatic repeat request)-ACK (response) feedback,The SRS of each of at least one SRS CC SRS CC is generated in the specific SRS chance in first available cell.
Example 12 includes the theme of any modification of any example in example 1-3, wherein processing circuit is configured thatEach of at least one SRS CC SRS is generated in the subframe of HARQ (mixed automatic repeat request)-ACK (response) feedbackThe SRS of CC；And for HARQ-ACK feedback using PUCCH (physical uplink control channel) format shortened.
Example 13 include example 1-3 in any example any modification theme, wherein the first DCI message indicate UE andThe SRS triggering of at least one additional UE.
Example 14 includes the theme of any modification of example 13, wherein the instruction of the first DCI message is predetermined for triggering oneThe SRS transmission of adopted UL CC or predefined UL CC set is without at least the first field and and UE of PUCCH and PUSCH transmissionAt least one SRS CC associated at least one SRS configuration, and wherein, the CRC of the first DCI message is by dedicated RNTI(radio network temporary identifier) is scrambled.
The theme of any modification of example 15 including example 14, wherein the first DCI format further include for trigger one orOne or more added fields of the SRS transmission of multiple additional UE, wherein processing circuit, which is configured to higher level signaling, to be come reallyThe initial position of fixed first field.
Example 16 includes the theme of any modification of any example in example 1-2, wherein processing circuit is additionally configured to handleOne or more IE (information element), wherein each of one or more IE indicate whether that one or more CA is supported (to carryWave polymerization) configuration in associated CA configuration the switching based on SRS CC.
Example 17 includes the theme of any modification of any example in example 4-6, wherein processing circuit is additionally configured to will be moreEach of a CC CC and one or more CC gather in CC set it is associated, wherein SRS request field instruction one orThe first CC set in multiple CC set, and wherein, at least one SRS CC is associated with the first CC set.
Example 18 includes the theme of any modification of any example in example 1-8, wherein processing circuit is additionally configured nearThe SRS of each of few SRS CC SRS CC is mapped to the UpPTS (uplink pilot time slot) of specific sub-frame noSame symbol.
Example 19 includes the theme of any modification of any example in example 1-9, wherein processing circuit is configured toOne of RRC (wireless heterogeneous networks) signaling and the 2nd DCI message determine one or more SRS parameters, wherein one or moreSRS parameter includes at least one of the following: bandwidth, one or more notation indexs, one or more UL antenna and oneOr multiple SRS transmission timing.
Example 20 includes the theme of any modification of any example in example 1-10, wherein processing circuit is configured toHARQ (mixed automatic repeat request)-ACK (response) feedback correspondence PUCCH (physical uplink control channel) subframe itAfterwards, the SRS of each of at least one SRS CC SRS CC is generated in the specific SRS chance in the first available cell.
Example 21 includes the theme of any modification of any example in example 1-9, wherein processing circuit is configured thatEach of at least one SRS CC SRS is generated in the subframe of HARQ (mixed automatic repeat request)-ACK (response) feedbackThe SRS of CC；And for HARQ-ACK feedback using PUCCH (physical uplink control channel) format shortened.
Example 22 is that one kind is configured to the device used in evolution node B (eNB), comprising: memory interface；And processingCircuit is configured that and is generated as the signaling that UE (user equipment) configures multiple CC (component carrier), wherein multiple CC include oneOr UL (uplink) CC of DL (downlink) CC of multiple configurations and one or more configurations comprising one or moreSRS (detection reference signal) CC, wherein each of one or more SRS CC SRS CC is the UL of one or more configurationsThe UL CC of the configuration for PUSCH (physical uplink shared channel) is not configured in CC；Generating includes SRS request fieldFirst DCI (down link control information) message, the SRS request field indicate at least one of one or more SRS CCSRS CC；Handle the SRS from each of at least one SRS CC SRS CC；And it will be with one via memory interfaceOr multiple associated one or more identifiers of SRS CC are sent to memory.
Example 23 includes the theme of any modification of example 22, wherein each of one or more SRS CC are oneOne in the DL CC of a or multiple configurations.
Example 24 includes the theme of any modification of example 22, wherein SRS request field includes 1 or 2 bits.
Example 25 includes the theme of any modification of any example in example 22-24, wherein the instruction of SRS request field is moreCC set in a CC set.
Example 26 includes the theme of any modification of example 25, wherein each of multiple CC set CC, which gathers, includesIt is configured at least one UL CC of PUSCH.
Example 27 includes the theme of any modification of any example in example 22-24, wherein comes from least one SRS CCEach of SRS CC SRS be mapped to specific sub-frame UpPTS (uplink pilot time slot) distinct symbols.
Example 28 includes the theme of any modification of any example in example 22-24, wherein processing circuit, which also configures, makes a livingAt RRC (wireless heterogeneous networks) signaling and the second of instruction one or more SRS parameter of instruction one or more SRS parameterOne of DCI message, wherein one or more SRS parameters include at least one of the following: bandwidth, one or more symbol ropesDraw, one or more UL antenna and one or more SRS transmission timing.
Example 29 includes the theme of any modification of any example in example 22-24, wherein in HARQ (the automatic weight of mixingMultiple request)-ACK (response) feedback correspondence PUCCH (physical uplink control channel) subframe after, in the first available cellThe SRS from least one SRS CC is dispatched in specific SRS chance.
Example 30 includes the theme of any modification of any example in example 22-24, wherein in HARQ (the automatic weight of mixingMultiple request)-ACK (response) feedback common subframe in dispatch the SRS from least one SRS CC.
Example 31 include example 22-23 in any example any modification theme, wherein SRS request field include 1 or2 bits.
Example 32 is a kind of machine readable media comprising instruction, the instruction make UE (user equipment) when executed: fromDetermine that one or more SRS (detection reference signal) CC, the CC of multiple configuration includes in the CC (component carrier) of multiple configurationsUL (uplink) CC of DL (downlink) CC of one or more configuration and one or more configurations, wherein one or moreEach of a SRS CC SRS CC is to be not configured in one or more UL CC configured for PUSCH (physical uplink linkShared channel) configuration UL CC；Receive the first DCI (down link control information) message；And it is based at least partially onOne DCI message transmits SRS via each of at least one SRS CC of one or more SRS CC.
Example 33 includes the theme of any modification of example 32, wherein the instruction makes UE at least partly when executedSRS based on each of SRS request field transmission one or more SRS CC, wherein SRS request field is 1 bit wordsOne of section and 2 bit fields.
Example 34 includes the theme of any modification of example 33, wherein the first DCI message includes SRS request field.
Example 35 includes the theme of any modification of example 33, wherein the instruction makes UE will be in multiple CC when executedEach CC be grouped into the CC set in four CC set, wherein SRS request field indicates the first CC in four CC setSet, and wherein, at least one SRS CC is associated with the first CC set.
Example 36 includes the theme of any modification of any example in example 32-35, wherein the instruction makes when executedCorrespondence PUCCH (physical uplink control channel) subframe that UE is fed back in HARQ (mixed automatic repeat request)-ACK (response)Later, the SRS of each of at least one SRS CC SRS CC is transmitted in the specific SRS chance in the first available cell.
Example 37 is that one kind is configured to the device used in user equipment (UE), comprising: for the CC from multiple configurationsDetermine the module of one or more SRS (detection reference signal) CC in (component carrier), the CC of multiple configuration including one orUL (uplink) CC of DL (downlink) CC of multiple configurations and one or more configurations, wherein one or more SRSEach of CC SRS CC is not configured in one or more UL CC configured for PUSCH (physical uplink link sharing letterRoad) configuration UL CC；For decoding the module of the first DCI (down link control information) message；For at least partly groundThe module of the SRS of each of at least one SRS CC of one or more SRS CC is generated in the first DCI message；And byIn the mould for sending one or more identifiers associated with one or more SRS CC to via memory interface memoryBlock.
Example 38 includes the theme of any modification of example 37, wherein each of one or more SRS CC are oneOne in the DL CC of a or multiple configurations.
Example 39 includes the theme of any modification in example 37, further includes for handling one or more IE (information wordsElement) module, wherein each of one or more IE indicate whether to support in one or more CA (carrier wave polymerization) configurationAssociated CA configuration the switching based on SRS CC.
Example 40 includes the theme of any modification of any example in example 37-39, wherein for generating the module of SRSIt is configured to be based at least partially on the SRS that SRS request field generates each of one or more SRS CC, wherein SRS is askedSeeking field is one of 1 bit field and 2 bit fields.
Example 41 includes the theme of any modification of example 40, wherein the first DCI message includes SRS request field.
Example 42 includes a kind of device comprising for executing the module of any operation of example 1-31.
Example 43 includes a kind of machine readable media, is stored for being executed by processor with any of implementation example 1-41The instruction of the operation.
Example 44 includes a kind of device comprising: memory interface；And processing circuit, it is configured that and executes example 1-41'sAny operation.
The above description of the illustrated embodiment of theme disclosure including content described in abstract is not intended to exhaustiveOr the disclosed embodiments are restricted to exact form disclosed.Although describing specific reality for illustrative purpose hereinExample and example are applied, but as those skilled in the relevant art are cognoscible, it is believed that in these embodiments and exemplary rangeInterior various modifications are all possible.
In this regard, although disclosed theme have been combined various embodiments and corresponding attached drawing under applicable circumstances intoDescription is gone, but it is to be understood that other similar embodiment can be used, or can repair to described embodimentChange with addition with for realizing disclosed theme it is identical, similar, substitution or replacement function without departing from the present invention.Therefore,Disclosed theme should not necessarily be limited by any single embodiment described herein, but should according to appended claims in width andIt is explained in range.
Especially with regard to the various functions by said modules or structure (component, equipment, circuit, system etc.) realization, it is used forThe term (including the reference to " module ") for describing these components is intended to correspond to realizes described group (unless otherwise noted)Any component or structure (for example, functionally equivalent) of the specified function of part, even if being not equal to realize herein in structureShown in function in illustrative embodiments open structure.In addition, though may be about in several embodimentsOnly one discloses special characteristic, but such feature can be with other one or more feature groups of other embodimentsIt closes, as may expect for any given or specific application and is advantageous.