CN107634821A - A kind of method and apparatus in the UE and base station being wirelessly transferred - Google Patents
A kind of method and apparatus in the UE and base station being wirelessly transferred Download PDFInfo
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- CN107634821A CN107634821A CN201610563052.9A CN201610563052A CN107634821A CN 107634821 A CN107634821 A CN 107634821A CN 201610563052 A CN201610563052 A CN 201610563052A CN 107634821 A CN107634821 A CN 107634821A
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Abstract
The present invention proposes the method and apparatus in a kind of UE and base station being wirelessly transferred.UE receives the first signaling first；Then the first wireless signal is received in first carrier；Finally second wireless singal is sent in target carrier.As one embodiment, first signaling is physical layer signaling, and first signaling includes { schedule information of first wireless signal, the index of the target carrier }.Carrier wave in first group of carrier wave can be used for the HARQ ACK informations that the wireless signal on carrying and the first carrier is associated, and first group of carrier wave includes the first candidate carrier and the second candidate carrier.The target carrier is one in { first candidate carrier, second candidate carrier }.The present invention provides more flexible HARQ ACK resource distribution modes, reduces the possibility of HARQ ACK conflicts, makes full use of the interface-free resources reserved by HARQ ACK, improves efficiency of transmission.
Description
Technical field
The present invention relates to the method and apparatus in mobile communication technology field, more particularly to HARQ (Hybrid
Automatic Repeat reQuest, hybrid automatic repeat-request) scheme.
Background technology
HARQ is an important technology in radio communication.3GPP (3rd Generation Partner Project,
Third generation cooperative partner program) in LTE (Long Term Evolution, Long Term Evolution), for UE (User Equipment,
User equipment) for, the HARQ-ACK transmitted by the downlink data that is transmitted on a serving cell can only be in a load
Transmitted on PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel) on ripple, the carrier wave
Main serving cell (Primary Serving Cell) is assigned to, or the carrier wave is configurable.
Next generation wireless communication may introduce a series of advanced technologies, including low latency (Short Latency)
Communication and Massive (extensive) MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) communications etc.
Deng.
The content of the invention
Inventor has found that existing HARQ-ACK feedback method may not fully meet the next generation wirelessly by studying
The demand of communication, original should include：
- communicates for low latency, and the time shared by ascending HARQ-ACK may be shorter, it is thus possible to can not reuse biography
The upstream physical layer channel of system.For given time, distribute traditional ascending HARQ-ACK simultaneously on a carrier wave and be directed to
The HARQ-ACK of low latency may reduce efficiency of transmission.
For-for Massive MIMO, different UE may correspond to the simulation for uplink receiving of different base station sides
(Analog) given time of beam shaping (Beamfoming), two given UE on a carrier wave is likely difficult to send simultaneously
Ascending HARQ-ACK.
The present invention discloses a solution regarding to the issue above.It should be noted that in the case where not conflicting, this
The feature in embodiment and embodiment in the UE (User Equipment, user equipment) of application may apply in base station,
Vice versa.In the case where not conflicting, the feature in embodiments herein and embodiment can be arbitrarily mutually combined.Enter one
Step, although the original intention of the present invention is also to can be suitably used for it for low latency communication or Massive MIMO communications, the present invention
His scene, such as carrier aggregation etc..
The invention discloses a kind of method in UE for supporting HARQ, wherein, comprise the following steps：
- step A. receives the first signaling；
- step B. receives the first wireless signal in first carrier；
- step C. sends second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes the { scheduling of first wireless signal
At least one of information, the index of the target carrier }.The schedule information includes { shared running time-frequency resource, MCS
(Modulation and Coding Status, modulation coding state), RV (Redundancy Version, redundancy versions),
NDI (New Data Indicator, new data instruction), HARQ process numbers (Process number) } in it is a kind of or more
Kind.Carrier wave in first group of carrier wave can be used for the HARQ-ACK letters that the wireless signal on carrying and the first carrier is associated
Breath, first group of carrier wave include the first candidate carrier and the second candidate carrier.The target carrier is that { first candidate carries
Ripple, second candidate carrier } in one.The second wireless singal includes what is be associated with first wireless signal
HARQ-ACK information.The second wireless singal is transmitted on physical layer control channel.
In the above method, a terminal is directed to the HARQ-ACK transmitted by the downlink data transmitted on a serving cell
It possibly be present on the physical layer control channel on different carrier waves.The above method can provide higher flexible compared with prior art
Property, avoid scheduling limitation.
As one embodiment, the physical layer control channel may be used only for transmitting uplink control information (i.e. can not be by
For transmitting data).
As one embodiment, the physical layer control channel is PUCCH format 1a.
As one embodiment, the physical layer control channel is PUCCH format 1b.
As one embodiment, the physical layer control channel is the short PUCCH for sTTI.
As one embodiment, first wireless signal includes K transmission block (Transport Block), it is described and
The associated HARQ-ACK information of first wireless signal includes K information bit, and the K information bit indicates respectively institute
State whether K transmission block is properly decoded.The K is 1, or the K is 2.
As one embodiment, first signaling is DCI (Downlink Control Information, descending control
Information processed).
As one embodiment, first signaling is to be used for the descending DCI for authorizing (Grant).
As one embodiment, whether the associated wireless signal of the HARQ-ACK information instruction is properly decoded.
As one embodiment, first wireless signal (can be used to carry physics in down physical layer data channel
The down channel of layer data) on transmit.As one embodiment, the down physical layer data channel is PDSCH (Physical
Downlink Shared Channel, Physical Downlink Shared Channel).As one embodiment, the downlink physical layer data letter
Road be corresponding sTTI (Short Transport Time Interval, short time interval) sPDSCH (short PDSCH, it is short
Physical Downlink Shared Channel).As one embodiment, transmission channel corresponding to the down physical layer data channel is DL-SCH
(Downlink Shared Channel, DSCH Downlink Shared Channel).
As one embodiment, the index of the target carrier is rope of the target carrier in first group of carrier wave
Draw.
As one embodiment, first group of carrier wave also includes at least one in first candidate carrier and described the
Carrier wave outside two candidate carriers.
As one embodiment, the first carrier is deployed in unlicensed spectrum.A son as the present embodiment is implemented
Example, the first carrier is one in { first candidate carrier, second candidate carrier }.
As one embodiment, first candidate carrier is the first carrier.
As one embodiment, the second wireless singal is in PUCCH (Physical Uplink Control
Channel, Physical Uplink Control Channel) on transmit.
As one embodiment, the second wireless singal uploads in sPUCCH (shortened PUCCH, short PUCCH)
It is defeated.
As one embodiment, the second wireless singal also includes SR (Scheduling Request, dispatch request).
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A0. receives the second signaling.
Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
As one embodiment, second signaling is that cell is specific.
As one embodiment, second signaling is UE specific.
As one embodiment, second signaling is RRC (Radio Resource Control, wireless heterogeneous networks)
Layer signaling.
As one embodiment, first candidate carrier is the first carrier, and the first carrier can be used for
Row transmission and downlink transfer, second signaling are used for determining second candidate carrier, described and described first carrier
On the associated HARQ-ACK information of wireless signal default can be transmitted on the first carrier.
As one embodiment, first candidate carrier and the first carrier are the upper of same serving cell respectively
Row carrier wave and descending carrier, second signaling are used for determining second candidate carrier, on described and described first carrier
The associated HARQ-ACK information of wireless signal default can be transmitted in first candidate carrier.
As one embodiment, second signaling is indicated in first group of carrier wave in addition to the first carrier
Carrier wave.
As one embodiment, second signaling indicates the clothes in addition to main serving cell in first group of carrier wave
Business cell.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling is used for from first group of carrier wave
It is middle to determine the target carrier.
As one embodiment, first signaling it is explicit the target carrier is indicated from first group of carrier wave.
As one embodiment, first signaling it is implicit the target carrier is indicated from first group of carrier wave.
Specifically, according to an aspect of the present invention, it is characterised in that for first candidate carrier and described second
Candidate carrier, the associated HARQ-ACK information of described and described first wireless signal to the mapping side of shared interface-free resources
Formula is different.
As one embodiment, above-mentioned aspect can preferably ensure that the HARQ-ACK that different UE are sent shares same resource
Pond, reduce the generation of collision.
As one embodiment, the interface-free resources include { time-domain resource, frequency domain resource, code domain resource }.
It is described and described first wireless if the target carrier is first candidate carrier as one embodiment
Interface-free resources and the first parameter sets shared by the associated HARQ-ACK information of signal are unrelated；If the target carrier is
Second candidate carrier, interface-free resources shared by the associated HARQ-ACK information of described and described first wireless signal and
First parameter sets are relevant.As a sub- embodiment of the present embodiment, first parameter sets include { first signaling
At least one of shared running time-frequency resource, the public high-level signaling of cell }.
It is described and described first wireless if the target carrier is first candidate carrier as one embodiment
Interface-free resources shared by the associated HARQ-ACK information of signal are relevant with the second parameter sets；If the target carrier is
Second candidate carrier, interface-free resources shared by the associated HARQ-ACK information of described and described first wireless signal and
Second parameter sets are unrelated.As a sub- embodiment of the present embodiment, second parameter sets are including { UE is specifically high-rise
At least one of signaling, the running time-frequency resource shared by first wireless signal }.
Specifically, according to an aspect of the present invention, it is characterised in that if first signaling is in main serving cell
Transmit and the target carrier is first candidate carrier, the associated HARQ-ACK letters of described and described first wireless signal
Running time-frequency resource shared by the shared interface-free resources of breath and first signaling is unrelated.The interface-free resources include { time domain money
At least one of source, frequency domain resource, code domain resource }.(one or more) carrier wave shared by the main serving cell is
Carrier wave outside first candidate carrier.
In existing LTE, if transmitted for the descending DCI authorized in main serving cell, corresponding ascending HARQ-
The resource index of PUCCH format 1 corresponding to ACK is related to the running time-frequency resource for shared by the descending DCI authorized
's.In above-mentioned aspect, serving cell corresponding to the target carrier is not main serving cell, and the method in existing LTE may make
Excessive unwanted resource-corresponding HARQ-ACK has been reserved in the target carrier may have been transmitted by main serving cell.
Above-mentioned aspect can make full use of the HARQ-ACK resources in the target carrier.
As one embodiment of above-mentioned aspect, first signaling is in main serving cell (Primary Serving
Cell transmitted on), the carrier wave shared by the main serving cell is the carrier wave outside first candidate carrier.If the mesh
It is second candidate carrier to mark carrier wave, the sky shared by the associated HARQ-ACK information of described and described first wireless signal
Mouth resource is relevant with the running time-frequency resource shared by first signaling.
As one embodiment, the running time-frequency resource shared by first signaling is that first signaling takes most
Low CCE index.
As one embodiment, the running time-frequency resource shared by first signaling is that first signaling takes most
Low eCCE index.
As one embodiment, first signaling is transmitted on the first carrier.
As one embodiment, first candidate carrier is the first carrier.
Specifically, according to an aspect of the present invention, it is characterised in that the target carrier is that first candidate carries
Ripple, interface-free resources and first wireless communication shared by the associated HARQ-ACK information of described and described first wireless signal
Running time-frequency resource shared by number is relevant.The interface-free resources include { time-domain resource, frequency domain resource, code domain resource } at least it
One.Carrier wave shared by the main serving cell is the carrier wave outside first candidate carrier.
As one embodiment, above-mentioned aspect can reduce the possibility of conflict to greatest extent.
As one embodiment, first signaling is transmitted on the first carrier, and first candidate carrier is institute
State first carrier.
As one embodiment, the running time-frequency resource shared by first wireless signal is first wireless signal
Shared minimum PRB index.
As one embodiment, first signaling is in the serving cell corresponding to the first carrier (under shared
Row carrier wave) on transmit, first candidate carrier is the first carrier.
The invention discloses a kind of method in base station for supporting HARQ, wherein, comprise the following steps：
- step A. sends the first signaling；
- step B. sends the first wireless signal in first carrier；
- step C. receives second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes the scheduling of first wireless signal
Information.The schedule information includes a kind of or more in { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers }
Kind.Carrier wave in first group of carrier wave can be used for the HARQ-ACK letters that the wireless signal on carrying and the first carrier is associated
Breath, first group of carrier wave include the first candidate carrier and the second candidate carrier.The target carrier is that { first candidate carries
Ripple, second candidate carrier } in one.The second wireless singal includes what is be associated with first wireless signal
HARQ-ACK information.The second wireless singal is transmitted on physical layer control channel.
As one embodiment, the associated HARQ-ACK information of described and described first wireless signal is being reserved for
Transmitted in PUCCH format 1a PRB (Physical Resource Block, Physical Resource Block).
As one embodiment, the associated HARQ-ACK information of described and described first wireless signal is being reserved for
Transmitted in PUCCH format 1b PRB.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A0. sends the second signaling.
Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling is used for from first group of carrier wave
It is middle to determine the target carrier.
Specifically, according to an aspect of the present invention, it is characterised in that for first candidate carrier and described second
Candidate carrier, the associated HARQ-ACK information of described and described first wireless signal to the mapping side of shared interface-free resources
Formula is different.
Specifically, according to an aspect of the present invention, it is characterised in that if first signaling is in main serving cell
Transmit and the target carrier is first candidate carrier, the associated HARQ-ACK letters of described and described first wireless signal
Running time-frequency resource shared by the shared interface-free resources of breath and first signaling is unrelated.The interface-free resources include { time domain money
At least one of source, frequency domain resource, code domain resource }.Carrier wave shared by the main serving cell is that first candidate carries
Carrier wave outside ripple.
Specifically, according to an aspect of the present invention, it is characterised in that the target carrier is that first candidate carries
Ripple, interface-free resources and first wireless communication shared by the associated HARQ-ACK information of described and described first wireless signal
Running time-frequency resource shared by number is relevant.The interface-free resources include { time-domain resource, frequency domain resource, code domain resource } at least it
One.Carrier wave shared by the main serving cell is the carrier wave outside first candidate carrier.
The invention discloses a kind of user equipment for supporting HARQ, wherein, including following module：
First receiving module：For receiving the first signaling；
Second receiving module：For receiving the first wireless signal in first carrier；
First sending module：For sending second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes the scheduling of first wireless signal
Information.The schedule information includes a kind of or more in { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers }
Kind.Carrier wave in first group of carrier wave can be used for the HARQ-ACK letters that the wireless signal on carrying and the first carrier is associated
Breath, first group of carrier wave include the first candidate carrier and the second candidate carrier.The target carrier is that { first candidate carries
Ripple, second candidate carrier } in one.The second wireless singal includes what is be associated with first wireless signal
HARQ-ACK information.The second wireless singal is transmitted on physical layer control channel.
As one embodiment, above-mentioned user equipment is characterised by, first receiving module is additionally operable to reception second
Signaling.Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
As one embodiment, above-mentioned user equipment is characterised by, first signaling is used for from first group of carrier wave
It is middle to determine the target carrier.
As one embodiment, above-mentioned user equipment is characterised by, for first candidate carrier and described second
Candidate carrier, the associated HARQ-ACK information of described and described first wireless signal to the mapping side of shared interface-free resources
Formula is different.
As one embodiment, above-mentioned user equipment is characterised by, if first signaling is in main serving cell
Transmit and the target carrier is first candidate carrier, the associated HARQ-ACK letters of described and described first wireless signal
Running time-frequency resource shared by the shared interface-free resources of breath and first signaling is unrelated.The interface-free resources include { time domain money
At least one of source, frequency domain resource, code domain resource }.Carrier wave shared by the main serving cell is that first candidate carries
Carrier wave outside ripple.
As one embodiment, above-mentioned user equipment is characterised by, the target carrier is first candidate carrier,
Interface-free resources and first wireless signal shared by the associated HARQ-ACK information of described and described first wireless signal
Shared running time-frequency resource is relevant.The interface-free resources include { time-domain resource, frequency domain resource, code domain resource } at least it
One.Carrier wave shared by the main serving cell is the carrier wave outside first candidate carrier.
The invention discloses a kind of base station equipment for supporting HARQ, wherein, including following module：
Second sending module：For sending the first signaling；
3rd sending module：For sending the first wireless signal in first carrier；
3rd receiving module：For receiving second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes the scheduling of first wireless signal
Information.The schedule information includes a kind of or more in { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers }
Kind.Carrier wave in first group of carrier wave can be used for the HARQ-ACK letters that the wireless signal on carrying and the first carrier is associated
Breath, first group of carrier wave include the first candidate carrier and the second candidate carrier.The target carrier is that { first candidate carries
Ripple, second candidate carrier } in one.The second wireless singal includes what is be associated with first wireless signal
HARQ-ACK information.The second wireless singal is transmitted on physical layer control channel.
As one embodiment, above-mentioned base station equipment is characterised by, second sending module is additionally operable to transmission second
Signaling.Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
As one embodiment, above-mentioned base station equipment is characterised by, first signaling is used for from first group of carrier wave
It is middle to determine the target carrier.
As one embodiment, above-mentioned base station equipment is characterised by, for first candidate carrier and described second
Candidate carrier, the associated HARQ-ACK information of described and described first wireless signal to the mapping side of shared interface-free resources
Formula is different.
As one embodiment, above-mentioned base station equipment is characterised by, if first signaling is in main serving cell
Transmit and the target carrier is first candidate carrier, the associated HARQ-ACK letters of described and described first wireless signal
Running time-frequency resource shared by the shared interface-free resources of breath and first signaling is unrelated.The interface-free resources include { time domain money
At least one of source, frequency domain resource, code domain resource }.Carrier wave shared by the main serving cell is that first candidate carries
Carrier wave outside ripple.
As one embodiment, above-mentioned base station equipment is characterised by, the target carrier is first candidate carrier,
Interface-free resources and first wireless signal shared by the associated HARQ-ACK information of described and described first wireless signal
Shared running time-frequency resource is relevant.The interface-free resources include { time-domain resource, frequency domain resource, code domain resource } at least it
One.Carrier wave shared by the main serving cell is the carrier wave outside first candidate carrier.
Compared with traditional scheme, the present invention possesses following advantage：
- provides more flexible HARQ-ACK resource distribution modes, improves the level of resources utilization；
- reduces the possibility of HARQ-ACK conflicts；
- makes full use of the interface-free resources reserved by HARQ-ACK, improves efficiency of transmission.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent：
Fig. 1 shows the flow chart according to an embodiment of the invention being wirelessly transferred；
Fig. 2 shows the schematic diagram of the resource allocation according to an embodiment of the invention for HARQ-ACK；
Fig. 3 shows multi-antenna transmission HARQ-ACK according to an embodiment of the invention schematic diagram；
Fig. 4 shows the signal of the running time-frequency resource shared by second wireless singal according to an embodiment of the invention
Figure；
Fig. 5 shows the structured flowchart of the processing unit according to an embodiment of the invention being used in UE；
Fig. 6 shows the structured flowchart of the processing unit according to an embodiment of the invention being used in base station；
Embodiment
Technical scheme is described in further detail below in conjunction with accompanying drawing, it is necessary to explanation is, do not rushed
In the case of prominent, the feature in embodiments herein and embodiment can be arbitrarily mutually combined.
Embodiment 1
Embodiment 1 illustrates the flow chart being wirelessly transferred, as shown in Figure 1.In accompanying drawing 1, base station N1 is UE U2 service
Cell maintains base station.In accompanying drawing 1, the step in square frame F1 is optional.
For N1, the second signaling is sent in step S101；The first signaling is sent in step s 102；In step s 103
The first wireless signal is sent in first carrier；In step S104 second wireless singal is received in target carrier.
For U2, the second signaling is received in step s 201；The first signaling is received in step S202；In step S203
The first wireless signal is received in first carrier；In step S204 second wireless singal is sent in target carrier.
In embodiment 1, first signaling is physical layer signaling, and first signaling includes first wireless signal
Schedule information.The schedule information include { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers } in one kind or
It is a variety of.Carrier wave in first group of carrier wave can be used for the HARQ-ACK that the wireless signal on carrying and the first carrier is associated
Information, first group of carrier wave include the first candidate carrier and the second candidate carrier.The target carrier is { first candidate
Carrier wave, second candidate carrier } in one.The second wireless singal includes what is be associated with first wireless signal
HARQ-ACK information.The second wireless singal is transmitted on physical layer control channel.Second signaling is used for determining institute
First group of carrier wave is stated, second signaling is high-level signaling.
As the sub- embodiment 1 of embodiment 1, the quantity of included carrier wave is more than 2 in first group of carrier wave.
As the sub- embodiment 2 of embodiment 1, first signaling indicates the target carrier from first group of carrier wave.
As the sub- embodiment 3 of embodiment 1, for first candidate carrier and second candidate carrier, it is described and
The duration of first wireless signal associated HARQ-ACK information to shared time-domain resource is different.
As the sub- embodiment 5 of embodiment 1, for first candidate carrier and second candidate carrier, it is described and
The duration of first wireless signal associated HARQ-ACK information to shared interface-free resources is different.
As the sub- embodiment 6 of embodiment 1, shared by the associated HARQ-ACK information of described and described first wireless signal
Interface-free resources are to be indexed to determine by first resource, and the first resource index is integer.If the target carrier is institute
The first candidate carrier is stated, the first resource index is linearly related with the latter in { the first parameter sets, the second parameter sets }；
If the target carrier is second candidate carrier, the first resource index and { the first parameter sets, the second parameter set
Close } in the former is linearly related.First parameter sets include { running time-frequency resource shared by first signaling, cell public affairs
At least one of common high-level signaling }, second parameter sets are including { the specific high-level signalings of UE, described first is wireless
At least one of running time-frequency resource shared by signal }.As a sub- embodiment of the sub- embodiment 6 of embodiment 1, the line
Property related coefficient be 1.As a sub- embodiment of the sub- embodiment 6 of embodiment 1, the interface-free resources include { frequency domain money
Source, code domain resource }, the mapping that the first resource indexes the frequency domain resource reuses PUCCH resource index (Resource
Index) to shared PRB mapping, the mapping that the first resource indexes the code domain resource reuses PUCCH resource index
(Resource Index) arrives cyclic shift (Cyclically Shifted length 12) sequence of used length 12
(Sequence) mapping.
As the sub- embodiment 6 of embodiment 1, for the base station N1, for receiving nothing in first candidate carrier
The antenna of line signal and the antenna for receiving wireless signal in second candidate carrier are different.
Embodiment 2
Embodiment 2 illustrates the schematic diagram of the resource allocation for HARQ-ACK, as shown in Figure 2.
In embodiment 2, first wireless signal in the present invention transmits in the first candidate carrier, i.e., first carrier is
First candidate carrier.First group of carrier wave in the present invention includes { first carrier, second candidate carrier }.
As the sub- embodiment 1 of embodiment 2, the second wireless singal in the present invention on the first carrier the
One time slot is sent, as arrow R1 is identified.
As one embodiment of the sub- embodiment 1 of embodiment 2, time-domain resource shared by the second wireless singal and
First time slot belongs to unit at the same time.As one embodiment, the duration of the time quantum is one millisecond.
As one embodiment, the time quantum is subframe.
As one embodiment of the sub- embodiment 1 of embodiment 2, the interface-free resources shared by the second wireless singal are
Indexed and determined by first resource, the first resource index is equal to the index of the minimum PRB shared by first wireless signal
With the sum of the first offset, first offset includes at least one of the first component and second component, in of the invention
First signaling is used for determining first component, and the second component is configured by high-level signaling.
As a sub- embodiment of the sub- embodiment 1 of embodiment 2, the ascending HARQ transmitted on the first carrier-
Downlink data corresponding to ACK information can only transmit on the first carrier.
The advantages of above-described embodiment, is interface-free resources shared by the second wireless singal and described
The index association of minimum PRB shared by first wireless signal, effectively prevent the conflict of HARQ-ACK information.
As the sub- embodiment 2 of embodiment 2, the second wireless singal in the present invention is in second candidate carrier
The first time slot send, as arrow R2 is identified.
As one embodiment of the sub- embodiment 2 of embodiment 2, time-domain resource shared by the second wireless singal and
First time slot belongs to the same time quantum.
As one embodiment of the sub- embodiment 2 of embodiment 2, the interface-free resources shared by the second wireless singal are
Indexed and determined by first resource, the first resource index is equal to the minimum CCE shared by first signaling in the present invention
The index of (Control Channel Element, control channel particle) and the sum of the second offset, the second offset bag
Include at least one of three-component and the 4th component, first signaling in the present invention is used for determining described 3rd point
Amount, the 4th component is configured by high-level signaling.
As the sub- embodiment 3 of embodiment 2, the second wireless singal in the present invention is in second candidate carrier
The second time slot send, as arrow R3 is identified.
As one embodiment of the sub- embodiment 3 of embodiment 2, the duration of second time slot is more than described first
The duration of time slot.
As the sub- embodiment 5 of embodiment 2, the band of the first carrier is wider than the bandwidth of second candidate carrier.
As the sub- embodiment 6 of embodiment 2, the first carrier is deployed in unlicensed spectrum, second candidate carrier
It is deployed in mandate frequency spectrum.
As the sub- embodiment 6 of embodiment 2, the center frequency point of the first carrier is more than 6GHz (1,000,000,000 hertz), described
The center frequency point of second candidate carrier is less than 3.5GHz.
As the sub- embodiment 7 of embodiment 2, first signaling in the present invention uploads in second candidate carrier
It is defeated.
Embodiment 3
Embodiment 3 illustrates multi-antenna transmission HARQ-ACK schematic diagram, as shown in Figure 3.In accompanying drawing 3, base station N3 is
The maintenance base station of UE U4, U5, U6 serving cell.
In embodiment 3, in given time, the base station N3 is received by the U4, the ascending HARQ-ACK letters that U5, U6 are sent
Breath.The base station N3 is performed in the given time and is received beam shaping and form the first wave beam and the second wave beam, wherein described the
One wave beam is directed to the U4 and U5, and second wave beam is directed to the U6.
As the sub- embodiment 1 of embodiment 3, first wave beam is by simulating (Analog) beam shaping
(Beamforming) generate, first candidate carrier of the corresponding present invention of first wave beam.Second wave beam is corresponding
Second candidate carrier of the present invention.
In above-mentioned sub- embodiment, due to the U4, U5, U6 can not share same reception wave beam, i.e. analog beam excipient
The U4, U5, U6 upward signal can not be received on a carrier wave simultaneously.Above-mentioned sub- embodiment avoids analog beam direction
Dispatched caused by limited limited.
As the sub- embodiment 2 of embodiment 3, first wave beam is first group of dwi hastasana by being equipped on the base station N3
Into, second wave beam is formed by the second group of antenna equipped on the base station N3.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of the running time-frequency resource shared by second wireless singal, as shown in Figure 4.Accompanying drawing 4
In, the lattice of oblique line mark is by the running time-frequency resource shared by the second wireless singal.
In embodiment 4, the second wireless singal is transmitted in the system bandwidth of target carrier, the second wireless singal
The first subband (subband) and the second subband are taken, first subband and second subband are discontinuous on frequency domain.
As a sub- embodiment of embodiment 4, the first resource index in the present invention is used for determining described the
The position of one subband and second subband in the system bandwidth of the target carrier.
As a sub- embodiment of embodiment 4, what described and described first wireless signal in the present invention was associated
HARQ-ACK information is carried by a characteristic sequence, and the characteristic sequence is one in Q candidate sequence, the present invention
In the first resource index be used to determine the characteristic sequence from the Q candidate sequence, the Q is greater than 1
Positive integer.As one embodiment, the characteristic sequence include { pseudo-random sequence, Zadoff-Chu sequence } at least it
One.
As a sub- embodiment of embodiment 4, the lattice of the oblique line mark includes 2 OFDM symbols.
As a sub- embodiment of embodiment 4, the second wireless singal includes reference signal.The reference signal energy
For channel estimation.
Embodiment 5
Embodiment 5 is the structured flowchart for the processing unit in UE, as shown in Figure 5.In accompanying drawing 5, UE devices 200 are led
To be made up of the first receiving module 201, the second receiving module 202 and the first sending module 203.
First receiving module 201 is used to receive the first signaling；Second receiving module 202 is used to receive first in first carrier
Wireless signal；First sending module 203 is used to send second wireless singal in target carrier.
In embodiment 5, first signaling is physical layer signaling, and first signaling includes first wireless signal
Schedule information.The schedule information include { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers } in one kind or
It is a variety of.Carrier wave in first group of carrier wave can be used for the HARQ-ACK that the wireless signal on carrying and the first carrier is associated
Information, first group of carrier wave include the first candidate carrier and the second candidate carrier.The target carrier is { first candidate
Carrier wave, second candidate carrier } in one.The second wireless singal includes what is be associated with first wireless signal
HARQ-ACK information.The second wireless singal is transmitted on physical layer control channel.First signaling is from first group of carrier wave
The middle instruction target carrier.
As the sub- embodiment 1 of embodiment 5, first receiving module 201 is additionally operable to receive the second signaling.Wherein, institute
State the second signaling and be used for determining first group of carrier wave, second signaling is high-level signaling.
As the sub- embodiment 1 of embodiment 5, first signaling is for the descending DCI authorized.
Embodiment 6
Embodiment 6 is the structured flowchart for the processing unit in base station, as shown in Figure 6.In accompanying drawing 6, base station apparatus
300 are mainly made up of the second sending module 301, the 3rd sending module 302 and the 3rd receiving module 303.
Second sending module 301 is used to send the first signaling；3rd sending module 302 is used to send first in first carrier
Wireless signal；3rd receiving module 303 is used to receive second wireless singal in target carrier.
In embodiment 6, first signaling is physical layer signaling, and first signaling includes first wireless signal
Schedule information.The schedule information include { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers } in one kind or
It is a variety of.Carrier wave in first group of carrier wave can be used for the HARQ-ACK that the wireless signal on carrying and the first carrier is associated
Information, first group of carrier wave include the first candidate carrier and the second candidate carrier.The target carrier is { first candidate
Carrier wave, second candidate carrier } in one.The second wireless singal includes what is be associated with first wireless signal
HARQ-ACK information.The second wireless singal is transmitted on physical layer control channel.First signaling is from first group of carrier wave
The middle instruction target carrier.
As the sub- embodiment 1 of embodiment 6, for first candidate carrier and second candidate carrier, it is described and
The mapping mode of first wireless signal associated HARQ-ACK information to shared interface-free resources is different.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be referred to by program
Related hardware is made to complete, described program can be stored in computer-readable recording medium, such as read-only storage, hard disk or light
Disk etc..Optionally, all or part of step of above-described embodiment can also be realized using one or more integrated circuit.Phase
Answer, each modular unit in above-described embodiment, example, in hardware can be used to realize, can also be by the form of software function module
Realize, the application is not limited to the combination of the software and hardware of any particular form.UE in the present invention includes but is not limited to mobile phone,
The Wireless Telecom Equipments such as tablet personal computer, notebook, card of surfing Internet, NB-IOT terminals, eMTC terminals.Base station in the present invention is
System equipment includes but is not limited to the Wireless Telecom Equipments such as macrocell base stations, microcell base station, Home eNodeB, relay base station.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification for being made, equivalent substitution, improve etc., it should be included in the protection of the present invention
Within the scope of.
Claims (16)
1. a kind of method in UE for supporting HARQ, wherein, comprise the following steps：
- step A. receives the first signaling；
- step B. receives the first wireless signal in first carrier；
- step C. sends second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes { the scheduling letter of first wireless signal
At least one of breath, the index of the target carrier }.The schedule information include shared running time-frequency resource, MCS, RV,
NDI, HARQ process number } in one or more.Carrier wave in first group of carrier wave can be used for carrying and the first carrier
On the associated HARQ-ACK information of wireless signal, first group of carrier wave includes the first candidate carrier and the second candidate carries
Ripple.The target carrier is one in { first candidate carrier, second candidate carrier }.The second wireless singal
Including the HARQ-ACK information being associated with first wireless signal.The second wireless singal is on physical layer control channel
Transmission.
2. according to the method for claim 1, it is characterised in that the step A also comprises the following steps：
- step A0. receives the second signaling.
Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
3. according to claim 1, the method described in 2, it is characterised in that first signaling is used for from first group of carrier wave really
The fixed target carrier.
4. according to the method described in claim 1-3, it is characterised in that for first candidate carrier and second candidate
Carrier wave, the mapping mode of described and described first wireless signal associated HARQ-ACK information to shared interface-free resources are
Different.
5. according to the method described in claim 1-4, it is characterised in that if first signaling is transmitted in main serving cell
And the target carrier is first candidate carrier, the associated HARQ-ACK information institute of described and described first wireless signal
Running time-frequency resource shared by the interface-free resources of occupancy and first signaling is unrelated.The interface-free resources include { time-domain resource, frequency
At least one of domain resource, code domain resource }.Carrier wave shared by the main serving cell is outside first candidate carrier
Carrier wave.
6. according to the method described in claim 1-5, it is characterised in that the target carrier is first candidate carrier, institute
State the interface-free resources shared by the HARQ-ACK information being associated with first wireless signal and the first wireless signal institute
The running time-frequency resource of occupancy is relevant.The interface-free resources include at least one of { time-domain resource, frequency domain resource, code domain resource }.
Carrier wave shared by the main serving cell is the carrier wave outside first candidate carrier.
7. a kind of method in base station for supporting HARQ, wherein, comprise the following steps：
- step A. sends the first signaling；
- step B. sends the first wireless signal in first carrier；
- step C. receives second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes the schedule information of first wireless signal.
The schedule information includes the one or more in { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers }.First
Carrier wave in group carrier wave can be used for the HARQ-ACK information that the wireless signal on carrying and the first carrier is associated, described
First group of carrier wave includes the first candidate carrier and the second candidate carrier.The target carrier be first candidate carrier, it is described
Second candidate carrier } in one.The HARQ-ACK that the second wireless singal includes and first wireless signal is associated
Information.The second wireless singal is transmitted on physical layer control channel.
8. according to the method for claim 7, it is characterised in that the step A also comprises the following steps：
- step A0. sends the second signaling.
Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
9. according to claim 7, the method described in 8, it is characterised in that first signaling is used for from first group of carrier wave really
The fixed target carrier.
10. according to the method described in claim 7-9, it is characterised in that waited for first candidate carrier and described second
Select carrier wave, the mapping mode of the associated HARQ-ACK information of described and described first wireless signal to shared interface-free resources
It is different.
11. according to the method described in claim 7-10, it is characterised in that if first signaling uploads in main serving cell
Defeated and described target carrier is first candidate carrier, the associated HARQ-ACK information of described and described first wireless signal
Running time-frequency resource shared by shared interface-free resources and first signaling is unrelated.The interface-free resources include time-domain resource,
At least one of frequency domain resource, code domain resource }.Carrier wave shared by the main serving cell be first candidate carrier it
Outer carrier wave.
12. according to the method described in claim 7-11, it is characterised in that the target carrier is first candidate carrier,
Interface-free resources and first wireless signal shared by the associated HARQ-ACK information of described and described first wireless signal
Shared running time-frequency resource is relevant.The interface-free resources include { time-domain resource, frequency domain resource, code domain resource } at least it
One.Carrier wave shared by the main serving cell is the carrier wave outside first candidate carrier.
13. a kind of user equipment for supporting HARQ, wherein, including following module：
First receiving module：For receiving the first signaling；
Second receiving module：For receiving the first wireless signal in first carrier；
First sending module：For sending second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes the schedule information of first wireless signal.
The schedule information includes the one or more in { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers }.First
Carrier wave in group carrier wave can be used for the HARQ-ACK information that the wireless signal on carrying and the first carrier is associated, described
First group of carrier wave includes the first candidate carrier and the second candidate carrier.The target carrier be first candidate carrier, it is described
Second candidate carrier } in one.The HARQ-ACK that the second wireless singal includes and first wireless signal is associated
Information.The second wireless singal is transmitted on physical layer control channel.
14. user equipment according to claim 13, it is characterised in that first receiving module is additionally operable to reception second
Signaling.Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
15. a kind of base station equipment for supporting HARQ, wherein, including following module：
Second sending module：For sending the first signaling；
3rd sending module：For sending the first wireless signal in first carrier；
3rd receiving module：For receiving second wireless singal in target carrier.
Wherein, first signaling is physical layer signaling, and first signaling includes the schedule information of first wireless signal.
The schedule information includes the one or more in { shared running time-frequency resource, MCS, RV, NDI, HARQ process numbers }.First
Carrier wave in group carrier wave can be used for the HARQ-ACK information that the wireless signal on carrying and the first carrier is associated, described
First group of carrier wave includes the first candidate carrier and the second candidate carrier.The target carrier be first candidate carrier, it is described
Second candidate carrier } in one.The HARQ-ACK that the second wireless singal includes and first wireless signal is associated
Information.The second wireless singal is transmitted on physical layer control channel.
16. base station equipment according to claim 15, it is characterised in that second sending module is additionally operable to transmission second
Signaling.Wherein, second signaling is used for determining first group of carrier wave, and second signaling is high-level signaling.
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