CN109905211A - A kind of transmission, method of reseptance, terminal and base station - Google Patents
A kind of transmission, method of reseptance, terminal and base station Download PDFInfo
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- CN109905211A CN109905211A CN201711299305.7A CN201711299305A CN109905211A CN 109905211 A CN109905211 A CN 109905211A CN 201711299305 A CN201711299305 A CN 201711299305A CN 109905211 A CN109905211 A CN 109905211A
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Abstract
The present invention provides a kind of transmission, method of reseptance, terminal and base stations, are related to the communications field.This method comprises: receiving the down control channel transmitted using the first DCI format, wherein the down control channel transmits in public search space；A bit indication information in the first DCI according to used in the down control channel is determined and is transmitted on the PUSCH scheduled in the down control channel with the presence or absence of HARQ-ACK；When determining on the PUSCH there are when HARQ-ACK transmission, HARQ-ACK is transmitted using semi-static HARQ-ACK codebook mode on the PUSCH.The solution of the present invention ensure that terminal and base station occupy the consistency that resource understands to the data transmission on PUSCH, ensure that base station can be properly received PUSCH, improves transmission performance.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of transmission, method of reseptance, terminal and base station.
Background technique
With the development and change of mobile communication business demand, ITU (International Telecommunication
Union, International Telecommunication Union) and the tissues such as 3GPP all begin one's study new wireless communication system (such as 5G NR,
5Generation New RAT)。
In LTE wireless communication system, when UE existed simultaneously in some subframe Physical Shared Channel (PUSCH,
Physical Uplink Shared CHannel) and ascending control information (UCI, Uplink Control Information)
When transmission, if UE support PUCCH (Physical Uplink Control CHannel, Physical Uplink Control Channel) and
PUSCH simultaneous transmission can then transmit UCI on PUCCH, in PUSCH transmitting data, if UE do not support PUCCH and
PUSCH simultaneous transmission, then UCI will be transmitted on PUSCH together with data.UCI confirms including at least hybrid automatic repeat-request
(HARQ-ACK, Hybrid Automatic Repeat reQuest ACKnowlegement), channel state information (CSI,
Channel State Information), scheduling request (SR, Scheduling Request).
In LTE system, HARQ-ACK is transmitted on PUSCH by being punched to the data on PUSCH, i.e. PUSCH
On data carrying out channel coding and when rate-matched, regardless of whether there are HARQ-ACK, i.e., according to no resource quilt
HARQ-ACK occupies to carry out channel coding and rate-matched, and when there are HARQ-ACK, HARQ-ACK is according to scheduled mapping
Rule is mapped in corresponding resource and is transmitted, and HARQ-ACK information will cover the data information in the resource at this time, that is, counts
It is believed that breath is punched by HARQ-ACK.The coding and rate-matched that this method can guarantee data be not by with the presence or absence of HARQ-ACK's
It influences, to guarantee that eNB is consistent to the transmission understanding of code rate of data with UE.
In 5G NR, the transmission for being based on mini-slot (mini-slot) is supported, i.e., the conveying length of one time downlink transfer can
Think the length of all downlink symbols in shorter than 1 slot or slot, such as the biography of the optional signs length such as 1,2,4,7
It is defeated, also support HARQ-ACK feedback and multi-carrier transmission etc. based on code block group (CBG, Code Block Group), these
It is many that factor can all cause HARQ-ACK number of bits of feedback to increase compared with LTE, punches if still used to data on PUSCH
Mode HARQ-ACK is transmitted on PUSCH, it will cause many data informations of PUSCH all to be punched by HARQ-ACK, it is right
The transmission performance of PUSCH is affected.Therefore, transmission of the HARQ-ACK in 5G NR for 1~2 bit on PUSCH uses
The mode of punching uses the mode of rate-matched for being greater than transmission of the HARQ-ACK of 2 bits on PUSCH, i.e., right
Data on PUSCH remove when coding and rate-matched by the occupied resource of HARQ-ACK.
HARQ-ACK is transmitted on PUSCH using rate-matched mode, if there are HARQ-ACK's and HARQ-ACK
Bit number will affect coding and rate-matched (code rate that influences data) and practical mapping resource-niche of the data on PUSCH
It sets, if base station is different with the actual transmissions of UE to the cognition with the presence or absence of HARQ-ACK and HARQ-ACK number of bits of feedback
It causes, will lead to base station and the mistake of PUSCH is decoded, lead to PUSCH reception failure.Two kinds of HARQ-ACK code books are supported in 5G NR
(codebook) producing method, dynamic (dynamic) HARQ-ACK codebook and semi-static (semi-static) HARQ-
ACK codebook.Semi-static HARQ-ACK codebook is anti-according to configuration carrier number, transmission mode, HARQ-ACK
Feedback timing, the size and content that information determine HARQ-ACK feedback information such as whether merge, it is ensured that in transmission HARQ-
When ACK, base station is consistent with the understanding of feedback sequence to HARQ-ACK number of bits of feedback with UE.
In 5G NR, two kinds of DCI formats are can be used in the uplink scheduling authorization UL grant for dispatching PUSCH, a kind of
For the common DCI transmitted in USS (Universal Serial Interface Protocol, Universal Serial Interface agreement)
Format, one kind is in middle rollback (fallback) the DCI lattice transmitted of CSS (Common Search Space, public search space)
Formula.Fallback DCI format can reduce indication bit number as far as possible, be aligned with realizing with the bit number of the DCI in other CSS,
Blind examination is reduced, and reduces the resource overhead in CSS.The UL DAI in fallback DCI whether there is and how define at present
There are no clear conclusions.
In 5G NR, when transmission of the HARQ-ACK on PUSCH uses rate-matched mode, UE and base station may be right
The cause that understands differently that whether there is HARQ-ACK and HARQ-ACK number of bits of feedback on PUSCH, then to practical application on PUSCH
It is inconsistent in the resource location of data transmission and the judgement of size, it is inconsistent so as to cause the rate-matched result of data, then will
Lead to reception failure of the base station to PUSCH transmission.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of transmission, method of reseptance, terminal and base stations, solve the prior art
Middle UE and base station may lead the cause that understands differently that whether there is HARQ-ACK and HARQ-ACK number of bits of feedback on PUSCH
Cause the problem of base station is to the reception failure of PUSCH.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of transmission method, comprising:
Receive the down control channel transmitted using the first Downlink Control Information DCI format, wherein the downlink control letter
It is transmitted in public search space in road；
A bit indication information in the first DCI according to used in the down control channel is determined in the downlink control
With the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK transmission on PUSCH scheduled in channel processed；
When determining on the PUSCH there are when HARQ-ACK transmission, semi-static HARQ-ACK code is used on the PUSCH
The method transmits HARQ-ACK.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, indicated by the dynamic HARQ-ACK code book
Codebook size be no more than the semi-static HARQ-ACK code book codebook size.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of terminal, comprising:
First receiving module, for receiving the down control channel for using the first Downlink Control Information DCI format to transmit,
In, the down control channel transmits in public search space；
First determining module, for the A bit indication letter in the first DCI according to used in the down control channel
Breath determines and confirms HARQ-ACK with the presence or absence of hybrid automatic repeat-request on the PUSCH scheduled in the down control channel
Transmission；
First transmission module, for making on the PUSCH when determining on the PUSCH there are when HARQ-ACK transmission
HARQ-ACK is transmitted with semi-static HARQ-ACK codebook mode.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of terminal, including transceiver, memory, place
It manages device and is stored in the computer program that can be run on the memory and on the processor；
The transceiver is used to receive the down control channel transmitted using the first Downlink Control Information DCI format, wherein
The down control channel transmits in public search space；
The processor is for the A bit indication information in the first DCI according to used in the down control channel, really
It is scheduled on PUSCH scheduled in the down control channel with the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK transmission；
The processor is used for when determining that the transceiver is described there are when HARQ-ACK transmission on the PUSCH
HARQ-ACK is transmitted using semi-static HARQ-ACK codebook mode on PUSCH.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, indicated by the dynamic HARQ-ACK code book
Codebook size be no more than the semi-static HARQ-ACK code book codebook size.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of computer readable storage medium, deposit thereon
Contain computer program, which is characterized in that when the program is executed by processor as above described in any item transmission methods the step of.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of method of reseptance, comprising:
It determines and is transmitted on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK,
And it is arranged according to definitive result for dispatching the first Downlink Control Information DCI used in the down control channel of the PUSCH
In A bit indication information, the A bit indication information is used to indicate on the PUSCH scheduled in the down control channel
It is transmitted with the presence or absence of HARQ-ACK；
Send the down control channel, wherein the down control channel transmits in public search space；
When determining on the PUSCH there are when HARQ-ACK transmission, semi-static HARQ-ACK code is used on the PUSCH
The method receives HARQ-ACK.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, dynamic HARQ-ACK code book institute is determined
The codebook size of instruction is no more than the codebook size of the semi-static HARQ-ACK code book.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of base station, comprising:
Second determining module, for determining on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request
Confirm HARQ-ACK transmission, and according to definitive result setting for dispatching used in the down control channel of the PUSCH the
A bit indication information in one Downlink Control Information DCI, the A bit indication information, which is used to indicate to control in the downlink, to be believed
It is transmitted on PUSCH scheduled in road with the presence or absence of HARQ-ACK；
Sending module, for sending the down control channel, wherein the down control channel is in public search space
Middle transmission；
Receiving module, for using half on the PUSCH when determining on the PUSCH there are when HARQ-ACK transmission
Static HARQ-ACK codebook mode receives HARQ-ACK.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of base station, including transceiver, memory, place
It manages device and is stored in the computer program that can be run on the memory and on the processor；
The processor confirms on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request for determining
HARQ-ACK transmission, and according to definitive result be arranged for dispatching first used in the down control channel of the PUSCH under
A bit indication information in row control information DCI, the A bit indication information are used to indicate in the down control channel institute
It is transmitted on the PUSCH of scheduling with the presence or absence of HARQ-ACK；
The transceiver is for sending the down control channel, wherein the down control channel is in common search sky
Between middle transmission；
The processor is used for when determining that the transceiver is described there are when HARQ-ACK transmission on the PUSCH
HARQ-ACK is received using semi-static HARQ-ACK codebook mode on PUSCH.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, dynamic HARQ-ACK code book institute is determined
The codebook size of instruction is no more than the codebook size of the semi-static HARQ-ACK code book.
In order to solve the above technical problems, the embodiment of the present invention also provides a kind of computer readable storage medium, deposit thereon
Contain computer program, which is characterized in that described in any item method of reseptances as above are realized when the program is executed by processor
Step.
The advantageous effects of the above technical solutions of the present invention are as follows:
The transmission method of the embodiment of the present invention, terminal receive the down control channel transmitted using the first DCI format,
In, down control channel transmits in public search space；Then the A in the first DCI according to used in down control channel
Bit indication information is determined and is transmitted on the PUSCH scheduled in down control channel with the presence or absence of HARQ-ACK；Work as determination
There are when HARQ-ACK transmission on PUSCH, HARQ-ACK is transmitted using semi-static HARQ-ACK codebook mode on PUSCH.It protects
The consistency of terminal and base station to the understanding that whether there is HARQ-ACK and HARQ-ACK number of bits of feedback on PUSCH has been demonstrate,proved,
To ensure that terminal and base station occupy the consistency that resource understands to the data transmission on PUSCH, it ensure that base station can be just
PUSCH is really received, transmission performance is improved.
Detailed description of the invention
Fig. 1 is the flow chart of transmission method provided in an embodiment of the present invention；
Fig. 2 is scheduling provided in an embodiment of the present invention and feedback schematic diagram；
Fig. 3 is the structural schematic diagram of terminal provided in an embodiment of the present invention；
Fig. 4 is another structural schematic diagram of terminal provided in an embodiment of the present invention；
Fig. 5 is the flow chart of method of reseptance provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of base station provided in an embodiment of the present invention；
Fig. 7 is another structural schematic diagram of base station provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
In some embodiments of the invention, shown in referring to Fig.1, a kind of transmission method is provided, comprising:
Step 101, the down control channel transmitted using the first Downlink Control Information DCI format is received, wherein under described
Row control channel is transmitted in public search space；
Step 102, the A bit indication information in the first DCI according to used in the down control channel is determined in institute
It states on PUSCH scheduled in down control channel with the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK transmission；
Step 103, it when determining on the PUSCH there are when HARQ-ACK transmission, is used on the PUSCH semi-static
HARQ-ACK codebook mode transmits HARQ-ACK.
The transmission method of the embodiment of the present invention, ensure that terminal and base station on PUSCH whether there is HARQ-ACK and
The consistency of the understanding of HARQ-ACK number of bits of feedback, to ensure that terminal and base station occupy the data transmission on PUSCH
The consistency that resource understands, ensure that base station can be properly received PUSCH, improves transmission performance.
Optionally, first DCI format is rollback fallback DCI format.
At this point, the A bit indication information that base station can be arranged in fallback DCI used in down control channel, eventually
Termination receives down control channel, is determined according to the A bit indication information in fallback DCI and is adjusted in down control channel
It is transmitted on the PUSCH of degree with the presence or absence of HARQ-ACK.
Optionally, the A is 1.
At this point, 1 bit indication information is arranged in base station in the DCI used in down control channel, it is used to indicate in downlink
It is transmitted on PUSCH scheduled in control channel with the presence or absence of HARQ-ACK.Terminal is according to the A bit indication information energy in UL DCI
It is enough accurately to determine whether to transmit HARQ-ACK on PUSCH, when determining transmission, use semi-static HARQ-ACK
Codebook transmits HARQ-ACK, even if then lost terminal downlink transfer, the reception of the transmission and base station that also can guarantee terminal is
It is consistent.
Optionally, the instruction information is downlink distribution index UL DAI information.
At this point, base station sends the down control channel using fallback UL DCI format in public search space, it can
UL DAI is set in the UL DCI, indicates to transmit on scheduled PUSCH with the presence or absence of HARQ-ACK.Terminal is searched public
It receives the down control channel using UL DCI format in rope space, and is determined according to UL DAI therein scheduled
There are HARQ-ACK transmission on PUSCH, when determining transmission, are transmitted using semi-static HARQ-ACK codebook
HARQ-ACK, even if then lost terminal downlink transfer, the reception of the transmission and base station that also can guarantee terminal is consistent.
Such as 1 bit UL DAI instruction is arranged scheduled in the down control channel in base station in fallback UL DCI
It is transmitted on PUSCH with the presence or absence of HARQ-ACK.Assuming that indicating exist when 1 bit UL DAI is " 1 " on the PUSCH being scheduled
HARQ-ACK transmission indicates that there is no HARQ-ACK to transmit on the PUSCH being scheduled when 1 bit UL DAI is " 0 ".Then when
There are when HARQ-ACK transmission on PUSCH, 1 bit UL DAI in DCI is set to " 1 " by base station, otherwise, is set to " 0 ".Terminal is logical
1 bit UL DAI in parsing UL DCI is crossed, can accurately determine whether to transmit HARQ-ACK on PUSCH.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, indicated by the dynamic HARQ-ACK code book
Codebook size be no more than the semi-static HARQ-ACK code book codebook size.
At this point, if terminal is configured such that with dynamic HARQ-ACK code book, code book indicated by dynamic HARQ-ACK code book
The codebook size of semi-static HARQ-ACK code book is not to be exceeded in size.
Wherein, if terminal itself has received Physical Downlink Shared Channel PDSCH, it is necessarily required to feedback HARQ-
ACK can not also then go the A bit indication information in parsing DCI, and directly determine on scheduled PUSCH that there are HARQ-
ACK transmission.
A specific application example of the transmission method of the embodiment of the present invention is illustrated below below.
As illustrated in fig. 2, it is assumed that terminal is configured not support PUCCH and PUSCH simultaneous transmission, then in the same time slot,
If existing simultaneously HARQ-ACK feedback and PUSCH, HARQ-ACK is transmitted on PUSCH.
Base station side: 2 PDSCH transmissions be scheduled in time slot n and n+1, and the HARQ-ACK of this 2 PDSCH is same
Fed back in a uplink time slot n+5 (the uplink moment can be in the corresponding PDCCH of each PDSCH first instruction
Field notice, be also possible to feed back what timing was determined according to pre-defined or configuration).In time slot n+1, in common search
The down control channel using fallback UL DCI format is had sent in space, dispatch terminal transmits in time slot n+5
It include 1 bit UL DAI in PUSCH, the UL DCI, 1 bit UL DAI instruction whether there is on scheduled PUSCH
HARQ-ACK feedback.Since base station scheduled the PDSCH of the progress HARQ-ACK feedback in time slot n+5, then base station will be above-mentioned
1 bit UL DAI in fallback UL DCI is set to " 1 ", it is assumed for example that " 1 " indicates to support exist on scheduled PUSCH
HARQ-ACK feedback.
Terminal side:
Situation 1: PDSCH is received in time slot n and n+1；In time slot n+1, receiving in public search space makes
It is determined on scheduled PUSCH with the down control channel of fallback DCI format, and according to 1 bit UL DAI therein
There are HARQ-ACK feedbacks, certainly, since terminal itself has received PDSCH, are then necessarily required to feedback HARQ-ACK, then may be used
Directly determine on scheduled PUSCH that there are HARQ-ACK feedbacks not remove 1 bit UL DAI of parsing.Terminal according to
Semi-static codebook generates HARQ-ACK, such as according to pre-defined or configuration semi-staticcodebook
Producing method, determine that the HARQ-ACK for correspond to downlink transfer in time slot n, n+1, n+2 in time slot n+5 is fed back, then generate
B*3 bit HARQ-ACK feedback information, B are the corresponding HARQ-ACK number of bits of feedback of each PDSCH, can be according to PDSCH's
Whether transmission mode (TB number) uses the transmission (number of CBG) based on CBG to determine, to being not received by downlink transfer
Position generate NACK as feedback information, above-mentioned generation is transmitted on the PUSCH in time slot n+5 using rate-matched mode
HARQ-ACK。
Situation 2: PDSCH is not received in time slot n and n+1；In time slot n+1, received in public search space
It determines to the down control channel for using fallback UL DCI format, and according to 1 bit UL DAI therein scheduled
There are HARQ-ACK feedbacks on PUSCH；Terminal generates HARQ-ACK according to semi-static codebook, such as according in advance
The producing method of the semi-staticcodebook of definition or configuration, determination are corresponded in time slot n+5 in time slot n, n+1, n+2
Downlink transfer HARQ-ACK feedback, then generate B*3 bit HARQ-ACK feedback information, B is that each PDSCH is corresponding
HARQ-ACK number of bits of feedback, can according to the transmission mode (TB number) of PDSCH, whether use the transmission (CBG based on CBG
Number) determine, NACK is generated as feedback information, in time slot n+5 to the position for being not received by downlink transfer
The HARQ-ACK of above-mentioned generation is transmitted on PUSCH；
Base station side: due to determine on the PUSCH of scheduling there are HARQ-ACK, then in time slot n+5 receive PUSCH and
The HARQ-ACK transmitted on the PUSCH, wherein base station determines HARQ-ACK codebook according to the identical mode of above-mentioned terminal
Size, receive HARQ-ACK and PUSCH with the consistent reception mode of terminal transmission to ensure that.
In the above process, since terminal always determines whether according to 1 bit UL DAI instructions field in UL DCI in PUSCH
Upper transmission HARQ-ACK, when determining transmission, using semi-staticHARQ-ACK codebook, even if then under lost terminal
Row transmission, the reception of the transmission and base station that also can guarantee terminal are consistent.
The transmission method of the embodiment of the present invention transmits HARQ- for the PUSCH for using fallback DCI to dispatch thereon
Using semi-static HARQ-ACK codebook when ACK, and 1 bit UL DAI is defined in fallback DCI, be used to indicate
Whether on PUSCH there are HARQ-ACK.The resource that ensure that terminal and base station occupy the data transmission on PUSCH understands one
It causes, to ensure that base station can be properly received PUSCH, and obtains correct HARQ-ACK feedback information, improve transporting
Energy.
In some embodiments of the invention, referring to shown in Fig. 3, a kind of terminal is additionally provided, comprising:
First receiving module 301, for receiving the downlink for using the first Downlink Control Information DCI format to transmit control letter
Road, wherein the down control channel transmits in public search space；
First determining module 302, for the A bit indication in the first DCI according to used in the down control channel
Information determines and confirms HARQ- with the presence or absence of hybrid automatic repeat-request on the PUSCH scheduled in the down control channel
ACK transmission；
First transmission module 303, for when determining on the PUSCH there are when HARQ-ACK transmission, on the PUSCH
HARQ-ACK is transmitted using semi-static HARQ-ACK codebook mode.
The terminal of the embodiment of the present invention, ensure that terminal and base station on PUSCH whether there is HARQ-ACK and HARQ-
The consistency of the understanding of ACK number of bits of feedback, to ensure that terminal and base station occupy resource reason to the data transmission on PUSCH
The consistency of solution ensure that base station can be properly received PUSCH, improve transmission performance.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, indicated by the dynamic HARQ-ACK code book
Codebook size be no more than the semi-static HARQ-ACK code book codebook size.
The terminal of the embodiment of the present invention, ensure that terminal and base station on PUSCH whether there is HARQ-ACK and HARQ-
The consistency of the understanding of ACK number of bits of feedback, to ensure that terminal and base station occupy resource reason to the data transmission on PUSCH
The consistency of solution ensure that base station can be properly received PUSCH, improve transmission performance.
It should be noted that wherein all implementations are suitable for the implementation of the terminal in above-mentioned transmission method embodiment
In example, it can also reach same technical effect.
In some embodiments of the invention, it referring to shown in Fig. 4, additionally providing a kind of terminal, including transceiver 410, deposits
It reservoir 420, processor 400, user interface 430, bus interface and is stored on the memory 420 and can be in the processor
The computer program run on 400；
The transceiver 410 is used to receive the down control channel transmitted using the first Downlink Control Information DCI format,
In, the down control channel transmits in public search space；
The processor 400 is for the A bit indication letter in the first DCI according to used in the down control channel
Breath determines and confirms HARQ-ACK with the presence or absence of hybrid automatic repeat-request on the PUSCH scheduled in the down control channel
Transmission；
The processor 400 is used for when determining that the transceiver 410 exists there are when HARQ-ACK transmission on the PUSCH
HARQ-ACK is transmitted using semi-static HARQ-ACK codebook mode on the PUSCH.
Wherein, in Fig. 4, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 400
The various circuits for the memory that the one or more processors and memory 420 of representative represent link together.Bus architecture is also
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all
It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 410 can
To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided
Member.For different user equipmenies, user interface 430, which can also be, external the interface for needing equipment is inscribed, and connection is set
Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 400, which is responsible for management bus architecture and common processing, memory 420, can store processor 400 and is holding
Used data when row operation.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, indicated by the dynamic HARQ-ACK code book
Codebook size be no more than the semi-static HARQ-ACK code book codebook size.
In some embodiments of the invention, a kind of computer readable storage medium is also provided, computer is stored thereon with
Program, the program perform the steps of when being executed by processor
Receive the down control channel transmitted using the first Downlink Control Information DCI format, wherein the downlink control letter
It is transmitted in public search space in road；
A bit indication information in the first DCI according to used in the down control channel is determined in the downlink control
With the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK transmission on PUSCH scheduled in channel processed；
When determining on the PUSCH there are when HARQ-ACK transmission, semi-static HARQ-ACK code is used on the PUSCH
The method transmits HARQ-ACK.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, indicated by the dynamic HARQ-ACK code book
Codebook size be no more than the semi-static HARQ-ACK code book codebook size.
In some embodiments of the invention, referring to Figure 5, a kind of method of reseptance is provided, comprising:
Step 501, it determines and confirms HARQ- with the presence or absence of hybrid automatic repeat-request on Physical Uplink Shared Channel PUSCH
ACK transmission, and according to definitive result setting for dispatching the control of the first downlink used in the down control channel of the PUSCH
A bit indication information in information DCI, the A bit indication information are used to indicate scheduled in the down control channel
It is transmitted on PUSCH with the presence or absence of HARQ-ACK；
Step 502, the down control channel is sent, wherein the down control channel passes in public search space
It is defeated；
Step 503, it when determining on the PUSCH there are when HARQ-ACK transmission, is used on the PUSCH semi-static
HARQ-ACK codebook mode receives HARQ-ACK.
The method of reseptance of the embodiment of the present invention, ensure that terminal and base station on PUSCH whether there is HARQ-ACK and
The consistency of the understanding of HARQ-ACK number of bits of feedback, to ensure that terminal and base station occupy the data transmission on PUSCH
The consistency that resource understands, ensure that base station can be properly received PUSCH, improves transmission performance.
Optionally, first DCI format is rollback fallback DCI format.
At this point, the A bit indication information that base station can be arranged in fallback DCI used in down control channel, eventually
Termination receives down control channel, is determined according to the A bit indication information in fallback DCI and is adjusted in down control channel
It is transmitted on the PUSCH of degree with the presence or absence of HARQ-ACK.
Optionally, the A is 1.
At this point, 1 bit indication information is arranged in base station in the DCI used in down control channel, it is used to indicate in downlink
It is transmitted on PUSCH scheduled in control channel with the presence or absence of HARQ-ACK.Terminal is according to the A bit indication information energy in UL DCI
It is enough accurately to determine whether to transmit HARQ-ACK on PUSCH, when determining transmission, use semi-static HARQ-ACK
Codebook transmits HARQ-ACK, even if then lost terminal downlink transfer, the reception of the transmission and base station that also can guarantee terminal is
It is consistent.
Optionally, the instruction information is downlink distribution index UL DAI information.
At this point, base station sends the down control channel using fallback UL DCI format in public search space, it can
UL DAI is set in the UL DCI, indicates to transmit on scheduled PUSCH with the presence or absence of HARQ-ACK.Terminal is searched public
It receives the down control channel using UL DCI format in rope space, and is determined according to UL DAI therein scheduled
There are HARQ-ACK transmission on PUSCH, when determining transmission, are transmitted using semi-static HARQ-ACK codebook
HARQ-ACK, even if then lost terminal downlink transfer, the reception of the transmission and base station that also can guarantee terminal is consistent.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, dynamic HARQ-ACK code book institute is determined
The codebook size of instruction is no more than the codebook size of the semi-static HARQ-ACK code book.
At this point, if terminal is configured such that with dynamic HARQ-ACK code book, code book indicated by dynamic HARQ-ACK code book
The codebook size of semi-static HARQ-ACK code book is not to be exceeded in size.
The method of reseptance of the embodiment of the present invention, ensure that terminal and base station on PUSCH whether there is HARQ-ACK and
The consistency of the understanding of HARQ-ACK number of bits of feedback, to ensure that terminal and base station occupy the data transmission on PUSCH
The consistency that resource understands, ensure that base station can be properly received PUSCH, improves transmission performance.
In some embodiments of the invention, referring to shown in Fig. 6, a kind of base station is additionally provided, comprising:
Second determining module 601 is asked on Physical Uplink Shared Channel PUSCH with the presence or absence of mixed automatic retransfer for determining
Confirmation HARQ-ACK transmission is asked, and is arranged according to definitive result for dispatching used in the down control channel of the PUSCH
A bit indication information in first Downlink Control Information DCI, the A bit indication information is used to indicate to be controlled in the downlink
It is transmitted on PUSCH scheduled in channel with the presence or absence of HARQ-ACK；
Sending module 602, for sending the down control channel, wherein the down control channel is in common search
It is transmitted in space；
Receiving module 603, for being used on the PUSCH when determining on the PUSCH there are when HARQ-ACK transmission
Semi-static HARQ-ACK codebook mode receives HARQ-ACK.
The base station of the embodiment of the present invention, ensure that terminal and base station on PUSCH whether there is HARQ-ACK and HARQ-
The consistency of the understanding of ACK number of bits of feedback, to ensure that terminal and base station occupy resource reason to the data transmission on PUSCH
The consistency of solution ensure that base station can be properly received PUSCH, improve transmission performance.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, dynamic HARQ-ACK code book institute is determined
The codebook size of instruction is no more than the codebook size of the semi-static HARQ-ACK code book.
The base station of the embodiment of the present invention, ensure that terminal and base station on PUSCH whether there is HARQ-ACK and HARQ-
The consistency of the understanding of ACK number of bits of feedback, to ensure that terminal and base station occupy resource reason to the data transmission on PUSCH
The consistency of solution ensure that base station can be properly received PUSCH, improve transmission performance.
It should be noted that wherein all implementations are suitable for the implementation of the base station in above-mentioned method of reseptance embodiment
In example, it can also reach same technical effect.
In some embodiments of the invention, it referring to shown in Fig. 7, additionally providing a kind of base station, including transceiver 710, deposits
It reservoir 720, processor 700, bus interface and is stored on the memory 720 and can be run on the processor 700
Computer program；
The processor 700 is for determining on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request
Confirm HARQ-ACK transmission, and according to definitive result setting for dispatching used in the down control channel of the PUSCH the
A bit indication information in one Downlink Control Information DCI, the A bit indication information, which is used to indicate to control in the downlink, to be believed
It is transmitted on PUSCH scheduled in road with the presence or absence of HARQ-ACK；
The transceiver 710 is for sending the down control channel, wherein the down control channel is in common search
It is transmitted in space；
The processor 700 is used for when determining that the transceiver 710 exists there are when HARQ-ACK transmission on the PUSCH
HARQ-ACK is received using semi-static HARQ-ACK codebook mode on the PUSCH.
Wherein, in Fig. 7, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 700
The various circuits for the memory that the one or more processors and memory 720 of representative represent link together.Bus architecture is also
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all
It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 710 can
To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided
Member.Processor 700, which is responsible for management bus architecture and common processing, memory 720, can store processor 700 and is executing operation
When used data.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, dynamic HARQ-ACK code book institute is determined
The codebook size of instruction is no more than the codebook size of the semi-static HARQ-ACK code book.
In some embodiments of the invention, a kind of computer readable storage medium is additionally provided, calculating is stored thereon with
Machine program, the program perform the steps of when being executed by processor
It determines and is transmitted on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK,
And it is arranged according to definitive result for dispatching the first Downlink Control Information DCI used in the down control channel of the PUSCH
In A bit indication information, the A bit indication information is used to indicate on the PUSCH scheduled in the down control channel
It is transmitted with the presence or absence of HARQ-ACK；
Send the down control channel, wherein the down control channel transmits in public search space；
When determining on the PUSCH there are when HARQ-ACK transmission, semi-static HARQ-ACK code is used on the PUSCH
The method receives HARQ-ACK.
Optionally, first DCI format is rollback fallback DCI format.
Optionally, the A is 1.
Optionally, the instruction information is downlink distribution index UL DAI information.
Optionally, when terminal is configured such that with dynamic HARQ-ACK code book, dynamic HARQ-ACK code book institute is determined
The codebook size of instruction is no more than the codebook size of the semi-static HARQ-ACK code book.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (24)
1. a kind of transmission method characterized by comprising
Receive the down control channel transmitted using the first Downlink Control Information DCI format, wherein the down control channel exists
It is transmitted in public search space；
A bit indication information in the first DCI according to used in the down control channel determines to control in the downlink and believe
With the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK transmission on PUSCH scheduled in road；
When determining on the PUSCH there are when HARQ-ACK transmission, the semi-static code book side HARQ-ACK is used on the PUSCH
Formula transmits HARQ-ACK.
2. the method according to claim 1, wherein first DCI format is rollback fallback DCI lattice
Formula.
3. the method according to claim 1, wherein the A is 1.
4. the method according to claim 1, wherein the instruction information is downlink distribution index UL DAI
Information.
5. the method according to claim 1, wherein when terminal is configured such that with dynamic HARQ-ACK code book,
Codebook size indicated by the dynamic HARQ-ACK code book is no more than the codebook size of the semi-static HARQ-ACK code book.
6. a kind of terminal characterized by comprising
First receiving module, for receiving the down control channel for using the first Downlink Control Information DCI format to transmit, wherein
The down control channel transmits in public search space；
First determining module, for the A bit indication information in the first DCI according to used in the down control channel, really
It is scheduled on PUSCH scheduled in the down control channel with the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK transmission；
First transmission module, for using half on the PUSCH when determining on the PUSCH there are when HARQ-ACK transmission
Static HARQ-ACK codebook mode transmits HARQ-ACK.
7. a kind of terminal, including transceiver, memory, processor and it is stored on the memory and can be on the processor
The computer program of operation；It is characterized in that,
The transceiver is used to receive the down control channel transmitted using the first Downlink Control Information DCI format, wherein described
Down control channel transmits in public search space；
The processor is determined for the A bit indication information in the first DCI according to used in the down control channel
With the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK transmission on PUSCH scheduled in the down control channel；
The processor is used for when determining that the transceiver is on the PUSCH there are when HARQ-ACK transmission on the PUSCH
HARQ-ACK is transmitted using semi-static HARQ-ACK codebook mode.
8. terminal according to claim 7, which is characterized in that first DCI format is rollback fallback DCI lattice
Formula.
9. terminal according to claim 7, which is characterized in that the A is 1.
10. terminal according to claim 7, which is characterized in that the instruction information is downlink distribution index UL
DAI information.
11. terminal according to claim 7, which is characterized in that when terminal is configured such that with dynamic HARQ-ACK code book,
Codebook size indicated by the dynamic HARQ-ACK code book is no more than the codebook size of the semi-static HARQ-ACK code book.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step of transmission method when execution as described in any one of claims 1 to 5.
13. a kind of method of reseptance characterized by comprising
It determines and is transmitted on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request confirmation HARQ-ACK, and root
It is arranged according to definitive result for dispatching the A in the first Downlink Control Information DCI used in the down control channel of the PUSCH
Whether bit indication information, the A bit indication information are used to indicate on the PUSCH scheduled in the down control channel and deposit
It is transmitted in HARQ-ACK；
Send the down control channel, wherein the down control channel transmits in public search space；
When determining on the PUSCH there are when HARQ-ACK transmission, the semi-static code book side HARQ-ACK is used on the PUSCH
Formula receives HARQ-ACK.
14. according to the method for claim 13, which is characterized in that first DCI format is rollback fallback DCI
Format.
15. according to the method for claim 13, which is characterized in that the A is 1.
16. according to the method for claim 13, which is characterized in that the instruction information is downlink distribution index UL
DAI information.
17. according to the method for claim 13, which is characterized in that when terminal is configured such that with dynamic HARQ-ACK code book
When, determine that codebook size indicated by the dynamic HARQ-ACK code book is no more than the code book of the semi-static HARQ-ACK code book
Size.
18. a kind of base station characterized by comprising
Second determining module confirms on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request for determining
HARQ-ACK transmission, and according to definitive result be arranged for dispatching first used in the down control channel of the PUSCH under
A bit indication information in row control information DCI, the A bit indication information are used to indicate in the down control channel institute
It is transmitted on the PUSCH of scheduling with the presence or absence of HARQ-ACK；
Sending module, for sending the down control channel, wherein the down control channel passes in public search space
It is defeated；
Receiving module, for being used on the PUSCH semi-static when determining on the PUSCH there are when HARQ-ACK transmission
HARQ-ACK codebook mode receives HARQ-ACK.
19. a kind of base station, including transceiver, memory, processor and it is stored on the memory and can be in the processor
The computer program of upper operation；It is characterized in that,
The processor confirms on Physical Uplink Shared Channel PUSCH with the presence or absence of hybrid automatic repeat-request for determining
HARQ-ACK transmission, and according to definitive result be arranged for dispatching first used in the down control channel of the PUSCH under
A bit indication information in row control information DCI, the A bit indication information are used to indicate in the down control channel institute
It is transmitted on the PUSCH of scheduling with the presence or absence of HARQ-ACK；
The transceiver is for sending the down control channel, wherein the down control channel is in public search space
Transmission；
The processor is used for when determining that the transceiver is on the PUSCH there are when HARQ-ACK transmission on the PUSCH
HARQ-ACK is received using semi-static HARQ-ACK codebook mode.
20. base station according to claim 19, which is characterized in that first DCI format is rollback fallback DCI
Format.
21. base station according to claim 19, which is characterized in that the A is 1.
22. base station according to claim 19, which is characterized in that the instruction information is downlink distribution index UL
DAI information.
23. base station according to claim 19, which is characterized in that when terminal is configured such that with dynamic HARQ-ACK code book
When, determine that codebook size indicated by the dynamic HARQ-ACK code book is no more than the code book of the semi-static HARQ-ACK code book
Size.
24. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step of method of reseptance as described in any one of claim 13-17 is realized when execution.
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Effective date of registration: 20210601 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |