Summary of the invention
The invention discloses a kind of methods in UE (User Equipment, user equipment), which is characterized in that including such asLower step:
Step A. receives the first signaling on first carrier and obtains the first frame structure, and the first frame structure is that the second carrier wave existsFrame structure in configurator timing window
Step B. receives the second signaling and obtains the scheduling information for being directed to the first subframe on the second carrier wave
Step C. receives physical layer data according to the scheduling information and sends corresponding ACK/NACK or send physicsLayer data simultaneously receives corresponding ACK/NACK, the first sub-frame transmission of the physical layer data on a second carrier
Wherein, the first signaling is physical layer signaling, and the second signaling is physical layer signaling, and first carrier is deployed in authorization frequencySpectrum, the second carrier wave are deployed in unlicensed spectrum, and the first subframe belongs to the configurator timing window, and the first frame structure is target frame structureAny one frame structure in set, the target frame structured set is following one:
One, of option { Quan Shanghang frame structure, candidate tdd frame structured set }
Two, of option { full downlink frame structure, candidate tdd frame structured set }
Three, of option { Quan Shanghang frame structure, full downlink frame structure }
Four, of option { Quan Shanghang frame structure, full downlink frame structure, candidate tdd frame structured set }
Candidate's tdd frame structured set is the nonvoid subset of tdd frame structure { #0, #1, #2, #3, #4, #5, #6 }.
The essence of above-mentioned aspect be dynamic configuration frame structure in include FDD (Frequency Division Duplex,Frequency division duplex) frame structure-unlicensed spectrum on without the concern for the compatibility with traditional UE, advantage includes:
Reduce GP (Guard Period, protection interval) bring redundancy expense in tdd frame structure.Due to DFS technologyUse, all or part of quilt " silence " state of the function of GP replaces.
It is suitable for the asymmetric data burst of uplink and downlink of more extreme ratio, realizes higher spectrum efficiency.
As one embodiment, the length of the configurator timing window is { 10,20,40,80 } ms (millisecond, milliSecond) in one.As one embodiment, the physical layer data is PDSCH (Physical Downlink SharedChannel, Physical Downlink Shared Channel) on the data transmitted.As another embodiment, the physical layer data is PUSCHData on (Physical Uplink Shared Channel, Physical Downlink Shared Channel).It is described as one embodimentThe frame that candidate tdd frame structured set is configured by the SIB (System Information Block, system information block) of first carrierStructure is determined by the descending reference frame structure (DL-Reference UL/DL configuration) of first carrier:
Descending reference frame structure #2 corresponds to tdd frame structure { #0, #1, #2, #6 }
Descending reference frame structure #4 corresponds to tdd frame structure { #0, #1, #3, #4, #6 }
Descending reference frame structure #5 corresponds to tdd frame structure { #0, #1, #2, #3, #4, #5, #6 }.
As one embodiment, the sub-frame of uplink of corresponding first frame structure of the first subframe, the second signaling is uplink scheduling letterEnable (the i.e. described step C is: sending physical layer data according to the scheduling information and receives corresponding ACK/NACK).As oneEmbodiment, the downlink subframe or special subframe of corresponding first frame structure of the first subframe, the second signaling be descending scheduling signaling (i.e.The step C is: receiving physical layer data according to the scheduling information and sends corresponding ACK/NACK).
The uplink scheduling signaling is that the signaling of ascending physical signal layer data is sent for dispatching UE, as one embodiment,It is one of DCI format { 0,4 }.The descending scheduling signaling is that the signaling of downlink physical layer data is received for dispatching UE,It is one of DCI format { 1,1A, 1B, 1C, 1D, 2,2A, 2B, 2C, 2D } as one embodiment
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. sends PRACH (Physical Random Access Channel, physical accidental on a second carrierAccess channel) sequence
Wherein, the PRACH resource and Format Series Lines (Preamble Format) that the PRACH sequence occupies are tied by PRACHStructure indexes (Configuration Index) mark, and the PRACH configuration index is configured by downlink signaling.The target frame knotStructure set is the option three, and the mapping of the PRACH configuration index to the PRACH resource and the Format Series Lines is obeyedFDD configuration；Or the target frame structured set is one in { option one, the option two, the option four }, instituteTDD configuration is obeyed in the mapping for stating PRACH configuration index to the PRACH resource and the Format Series Lines.
The FDD configuration configures the table referring to TS36.211 referring to the table 5.7.1-2, the TDD of TS36.2115.7.1-3 with table 5.7.1-4.
Aforementioned aspect of the present invention avoids UE and is not properly received the first signaling and the base station side generated and the side pair UEThe different understanding of PRACH configuration index.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step E. gives framing is inscribed to receive PSS (Primary in configurator timing window on a second carrierSynchronization Sequence, main synchronizing sequence) and SSS (Secondary Synchronization Sequence,Secondary synchronization sequences).
Wherein, the target frame structured set is the option three, in the frame of the PSS in the frame of position and the SSSObey position in FDD frame in position；Or the target frame structured set is { option one, the option two, the optionFour } one in, position in tdd frame is obeyed in position in the frame of position and the SSS in the frame of the PSS.
Position is saved referring to the 6.11.1.2 in TS36.211 in the frame of the PSS, in the frame of the SSS position referring to6.11.2.2 section in TS36.211.
Aforementioned aspect of the present invention avoids UE and is not properly received the first signaling and the base station side generated and the side UE to PSSWith the different understanding of position in the frame of SSS.
Specifically, according to an aspect of the present invention, which is characterized in that the payload size of the first signaling is on first carrierThe payload size of the format 1C of transmission, wherein 3 bits are used to indicate the first frame structure, the first signaling is by eIMTA-RNTI(Radio Network Temporary Indentifier, wireless network fix tentatively identifier) mark.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. receives third signaling in first carrier and determines the target frame structured set
Wherein, third signaling is high-level signaling.
As one embodiment, third signaling is RRC (Radio Resource Control, wireless heterogeneous networks) layer IE(Information Element, information particle).Table 2 gives 7 of third signaling and the target frame structured setEmbodiment.
Table 2: the embodiment of third signaling
As one embodiment, the second signaling is uplink scheduling signaling.The target frame structured set is the { optionOne, the option three, the option four } in one and the transmission carrier wave of the second signaling be deployed in FDD carrier wave, the physical layerHARQ (Hybrid Auto Retransmission Request, hybrid automatic repeat-request) timing of data follows FDD'sAscending HARQ timing.
Above-described embodiment is suitable for first carrier and is deployed in FDD frequency spectrum or is deployed in TDD frequency spectrum or is deployed in non-awardWeigh the scene of frequency spectrum.The HARQ timing of the physical layer data includes the transmission subframe of the second signaling to the delay (4 of the first subframeThe ascending HARQ timing of subframe-FDD), the delay of the transmission subframe of the first subframe to corresponding ACK (response)/NACK (non-response)(the ascending HARQ timing of 4 subframe-FDD).
As another embodiment, the target frame structured set is { option one, the option three, the optionFour } the transmission carrier wave of one in and the second signaling is deployed in TDD carrier wave, and the HARQ timing of the physical layer data is using 10 millisSecond RTT (Round Trip Time, winding time), wherein the first subframe be the second signaling transmission subframe after the 4thSubframe.
As another embodiment, the target frame structured set is the option two, the HARQ of the physical layer dataTiming follows the ascending HARQ timing of the second frame structure, and the second frame structure is one of tdd frame structure #0~#6, the second frame knotStructure is configured by high-level signaling.As a sub- embodiment of the present embodiment, the second frame structure is configured by RRC signaling.As anotherA embodiment, the second frame structure are the uplinks of the second carrier wave with reference to frame structure (UL-Reference UL/DLconfiguration)。
Above-mentioned ascending HARQ timing includes the transmission subframe of the second signaling to the delay (table in TS36.213 of the first subframeLattice 8-2), the delay (the table 9.1.2-1 in TS36.213) of the transmission subframe of the first subframe to corresponding downlink ACK/NACK.
Specifically, according to an aspect of the present invention, which is characterized in that the second signaling is descending scheduling signaling.First carriesWave is deployed in FDD frequency spectrum, and the HARQ timing of the physical layer data follows the downlink HARQ timing of FDD；Or first carrier portionIt is deployed on TDD frequency spectrum, the HARQ timing of the physical layer data follows the SIB configuration frame structure or first carrier of first carrierThe downlink HARQ timing of descending reference frame structure.
If first carrier is configured with descending reference frame structure, the HARQ timing of the physical layer data follows the first loadThe downlink HARQ timing of the descending reference frame structure of wave, when otherwise following the downlink HARQ of SIB configuration frame structure of first carrierSequence.
Above-mentioned downlink HARQ timing includes that the transmission subframe of the second signaling is sub to the delay (0 subframe) of the first subframe, firstFrame to corresponding uplink ACK/NACK transmission subframe delay (with reference to the table 10.1.3.1-1 or R1- in TS36.213141745)。
The invention discloses a kind of methods in base station, which comprises the steps of:
Step A. sends the first signaling on first carrier and indicates the first frame structure, and the first frame structure is that the second carrier wave existsFrame structure in configurator timing window
Step B. sends the instruction of the second signaling for the scheduling information of the first subframe on the second carrier wave
Step C. sends physical layer data according to the scheduling information and receives corresponding ACK/NACK or receive physicsLayer data simultaneously sends corresponding ACK/NACK, the first sub-frame transmission of the physical layer data on a second carrier
Wherein, the first signaling is physical layer signaling, and the second signaling is physical layer signaling, and first carrier is deployed in authorization frequencySpectrum, the second carrier wave are deployed in unlicensed spectrum, and the first subframe belongs to the configurator timing window, and the first frame structure is target frame structureAny one frame structure in set, the target frame structured set is following one:
One, of option { Quan Shanghang frame structure, candidate tdd frame structured set }
Two, of option { full downlink frame structure, candidate tdd frame structured set }
Three, of option { Quan Shanghang frame structure, full downlink frame structure }
Four, of option { Quan Shanghang frame structure, full downlink frame structure, candidate tdd frame structured set }
Candidate's tdd frame structured set is the nonvoid subset of tdd frame structure { #0, #1, #2, #3, #4, #5, #6 }.
As one embodiment, the sub-frame of uplink of corresponding first frame structure of the first subframe, the second signaling is uplink scheduling letterEnable (the i.e. described step C is: receiving physical layer data according to the scheduling information and sends corresponding ACK/NACK).As oneEmbodiment, the downlink subframe or special subframe of corresponding first frame structure of the first subframe, the second signaling be descending scheduling signaling (i.e.The step C is: sending physical layer data according to the scheduling information and receives corresponding ACK/NACK).
As one embodiment, for the option four, 6 kinds of frame structures are included up in candidate tdd frame structured set, i.e.,Ensure that the frame structure quantity for including in above-mentioned 4 options is all not more than 8- and can be reused in eIMTA in turn by 3 bit indicationsSignaling is reconfigured in frame structure.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. receives PRACH sequence on a second carrier
Wherein, the PRACH resource and Format Series Lines that the PRACH sequence occupies are identified by PRACH configuration index, describedPRACH configuration index is configured by downlink signaling.The target frame structured set is the option three, the PRACH configuration indexFDD configuration is obeyed in mapping to the PRACH resource and the Format Series Lines；Or the target frame structured set is { describedOption one, the option two, the option four } in one, the PRACH configuration index to the PRACH resource and describedTDD configuration is obeyed in the mapping of Format Series Lines.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step E. on a second carrier in configurator timing window to sending PSS and SSS in framing
Wherein, the target frame structured set is the option three, in the frame of the PSS in the frame of position and the SSSObey position in FDD frame in position；Or the target frame structured set is { option one, the option two, the optionFour } one in, position in tdd frame is obeyed in position in the frame of position and the SSS in the frame of the PSS.
Specifically, according to an aspect of the present invention, which is characterized in that the payload size of the first signaling is on first carrierThe payload size of the format 1C of transmission, wherein 3 bits are used to indicate the first frame structure, the first signaling is marked by eIMTA-RNTIKnow.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A0. sends third signaling in first carrier and indicates the target frame structured set
Wherein, third signaling is high-level signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the second signaling is uplink scheduling signaling.The meshMark frame structure set is the transmission carrier wave of one in { option one, the option three, the option four } and the second signalingIt is deployed in FDD carrier wave, the HARQ timing of the physical layer data follows the ascending HARQ timing of FDD；Or the target frame knotStructure set is that the transmission carrier wave of one in { option one, the option three, the option four } and the second signaling is deployed inTDD carrier wave, the HARQ timing of the physical layer data uses 10 milliseconds of RTT, wherein the first subframe is the transmission of the second signalingThe 4th subframe after subframe；Or the target frame structured set is the option two, when the HARQ of the physical layer dataSequence follows the ascending HARQ timing of the second frame structure, and the second frame structure is one of tdd frame structure #0~#6, the second frame structureIt is configured by high-level signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the second signaling is descending scheduling signaling.First carriesWave is deployed in FDD frequency spectrum, and the HARQ timing of the physical layer data follows the downlink HARQ timing of FDD；Or first carrier portionIt is deployed on TDD frequency spectrum, the HARQ timing of the physical layer data follows the SIB configuration frame structure or first carrier of first carrierThe downlink HARQ timing of descending reference frame structure.
The invention discloses a kind of user equipmenies, which is characterized in that the equipment includes:
First module: target frame structured set is determined and in first carrier for receiving third signaling in first carrierIt receives the first signaling and obtains the first frame structure, the first frame structure is frame structure of second carrier wave in configurator timing window
Second module: for receiving the acquisition of the second signaling for the scheduling information of the first subframe on the second carrier wave
Third module: for receiving physical layer data according to the scheduling information and sending corresponding ACK/NACK or hairIt send physical layer data and receives corresponding ACK/NACK, the first sub-frame transmission of the physical layer data on a second carrier
Wherein, third signaling is high-level signaling, and the first signaling is physical layer signaling, and the second signaling is physical layer signaling, theOne carrier wave is deployed in authorization frequency spectrum, and the second carrier wave is deployed in unlicensed spectrum, and the first subframe belongs to the configurator timing window, and firstFrame structure is any one frame structure in target frame structured set, and the target frame structured set is following one:
One, of option { Quan Shanghang frame structure, candidate tdd frame structured set }
Two, of option { full downlink frame structure, candidate tdd frame structured set }
Three, of option { Quan Shanghang frame structure, full downlink frame structure }
Four, of option { Quan Shanghang frame structure, full downlink frame structure, candidate tdd frame structured set }
Candidate's tdd frame structured set is the nonvoid subset of tdd frame structure { #0, #1, #2, #3, #4, #5, #6 }.
As one embodiment, the sub-frame of uplink of corresponding first frame structure of the first subframe, the second signaling is uplink scheduling letterIt enables.As one embodiment, the downlink subframe or special subframe of corresponding first frame structure of the first subframe, the second signaling is downlinkDispatch.
As one embodiment, above equipment further includes at least one of:
4th module: for sending PRACH sequence on a second carrier
5th module: for receiving PSS and SSS to framing is inscribed in configurator timing window on a second carrier
Wherein, the PRACH resource and Format Series Lines that the PRACH sequence occupies are identified by PRACH configuration index, describedPRACH configuration index is configured by downlink signaling.The target frame structured set is the option three, the PRACH configuration indexFDD configuration is obeyed in mapping to the PRACH resource and the Format Series Lines, the frame of position and the SSS in the frame of the PSSObey position in FDD frame in interior position；Or the target frame structured set is { option one, the option two, the optionFour } one in, TDD configuration is obeyed in the mapping of the PRACH configuration index to the PRACH resource and the Format Series Lines,Position in tdd frame is obeyed in position in the frame of position and the SSS in the frame of the PSS.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes:
First module: for sending third signaling instruction target frame structured set in first carrier and in first carrierIt sends the first signaling and indicates the first frame structure, the first frame structure is frame structure of second carrier wave in configurator timing window
Second module: for sending the instruction of the second signaling for the scheduling information of the first subframe on the second carrier wave
Third module: for sending physical layer data according to the scheduling information and receiving corresponding ACK/NACK or connectIt receives physical layer data and sends corresponding ACK/NACK, the first sub-frame transmission of the physical layer data on a second carrier
Wherein, third signaling is high-level signaling, and the first signaling is physical layer signaling, and the second signaling is physical layer signaling, theOne carrier wave is deployed in authorization frequency spectrum, and the second carrier wave is deployed in unlicensed spectrum, and the first subframe belongs to the configurator timing window, and firstFrame structure is any one frame structure in target frame structured set, and the target frame structured set is following one:
One, of option { Quan Shanghang frame structure, candidate tdd frame structured set }
Two, of option { full downlink frame structure, candidate tdd frame structured set }
Three, of option { Quan Shanghang frame structure, full downlink frame structure }
Four, of option { Quan Shanghang frame structure, full downlink frame structure, candidate tdd frame structured set }
Candidate's tdd frame structured set is the nonvoid subset of tdd frame structure { #0, #1, #2, #3, #4, #5, #6 }.
As one embodiment, the sub-frame of uplink of corresponding first frame structure of the first subframe, the second signaling is uplink scheduling letterIt enables.As one embodiment, the downlink subframe or special subframe of corresponding first frame structure of the first subframe, the second signaling is downlinkDispatch.
As one embodiment, above equipment further includes at least one of:
4th module: for receiving PRACH sequence on a second carrier
5th module: PSS and SSS is sent in framing for giving in configurator timing window on a second carrier
Wherein, the PRACH resource and Format Series Lines that the PRACH sequence occupies are identified by PRACH configuration index, describedPRACH configuration index is configured by downlink signaling.The target frame structured set is the option three, the PRACH configuration indexFDD configuration is obeyed in mapping to the PRACH resource and the Format Series Lines, the frame of position and the SSS in the frame of the PSSObey position in FDD frame in interior position；Or the target frame structured set is { option one, the option two, the optionFour } one in, TDD configuration is obeyed in the mapping of the PRACH configuration index to the PRACH resource and the Format Series Lines,Position in tdd frame is obeyed in position in the frame of position and the SSS in the frame of the PSS.
Scheduling for traditional eIMTA is limited this problem, and the invention proposes the communications in a kind of unlicensed bandMethod and apparatus.UE receives physical layer signaling on authorization frequency spectrum and obtains the first frame structure, and the first frame structure is target frame structureAny one frame structure in set, the target frame structured set include in { Quan Shanghang frame structure, full downlink frame structure }At least one frame structure.As one embodiment, base station dynamic select and configures non-award in tdd frame structure and FDD frame structureThe frame structure on frequency spectrum is weighed, the dispatching flexibility bigger than traditional eIMTA is realized.Further, the present invention can reduce TDDRedundancy expense caused by GP in frame structure.The present invention reuses CA the and eIMTA scheme in existing LTE as far as possible, has preferableCompatibility.