阅读说明：本技术 一种信道的接收机会确定方法及通信装置 (Method for determining receiver opportunity of channel and communication device ) 是由 杨帆 黎超 黄海宁 刘哲 于 2020-02-14 设计创作，主要内容包括：本申请公开了一种信道的接收机会确定方法及装置,该方法包括：确定第一时域资源偏移值集合,该第一时域资源偏移值集合中包括物理侧链路反馈信道PSFCH与物理上行控制信道PUCCH之间的一个或多个时域资源偏移值；基于第一时域资源偏移值集合和PSFCH的反馈周期确定PSFCH的接收机会。基于本申请所描述的方法,能够基于PSFCH的反馈周期准确地确定PSFCH的接收机会。(The application discloses a method and a device for determining a receiving opportunity of a channel, wherein the method comprises the following steps: determining a first time domain resource offset value set, wherein the first time domain resource offset value set comprises one or more time domain resource offset values between a physical side link feedback channel (PSFCH) and a Physical Uplink Control Channel (PUCCH); a reception opportunity of the PSFCH is determined based on the first set of time domain resource offset values and a feedback period of the PSFCH. Based on the method described in the present application, the receiving opportunity of the PSFCH can be accurately determined based on the feedback cycle of the PSFCH.)

A method for determining a receiver opportunity of a channel, the method comprising:

determining a first time domain resource offset value set, wherein the first time domain resource offset value set comprises one or more time domain resource offset values between a physical side link feedback channel (PSFCH) and a Physical Uplink Control Channel (PUCCH);

determining a receive opportunity of the PSFCH based on the first set of time domain resource offset values and a feedback period of the PSFCH.

The method of claim 1, wherein the determining a receive opportunity for the PSFCH based on the first set of time domain resource offset values and a feedback period of the PSFCH comprises:

determining a second time domain resource offset value set from the first time domain resource offset value set, wherein a carrier time domain resource corresponding to a time domain resource offset value in the second time domain resource offset value set is used for side link transmission;

determining a receive opportunity of the PSFCH based on the second set of time domain resource offset values and a feedback period of the PSFCH.

The method of claim 2, wherein the determining a receive opportunity for the PSFCH based on the second set of time domain resource offset values and a feedback period of the PSFCH comprises:

determining the receiving opportunity of the PSFCH based on the index of the carrier time domain resource corresponding to the time domain resource offset value in the second time domain resource offset value set, the feedback period of the PSFCH and the time domain resource index offset value, wherein the time domain resource index offset value is an offset value between the resource pool time domain resource index transmitted by the side link and the carrier time domain resource index.

The method of claim 3, wherein the determining the receiving opportunity of the PSFCH based on the index of the carrier time domain resource corresponding to the time domain resource offset value in the second set of time domain resource offset values, the feedback period of the PSFCH, and the time domain resource index offset value comprises:

if the index of the first carrier time domain resource satisfies:determining that the first carrier time domain resource is a time domain resource of a receiver opportunity of the PSFCH; wherein the first carrier time domain resource is a carrier time domain resource corresponding to any time domain resource offset value in the second time domain resource offset value set, and the first carrier time domain resource is a carrier time domain resource corresponding to any time domain resource offset value in the second time domain resource offset value setIs an index of the first carrier time domain resource, the O_phy-to-logAnd indexing an offset value for the time domain resource, wherein N is a feedback period of the PSFCH.

The method according to any one of claims 1 to 4, further comprising:

generating a hybrid automatic repeat request acknowledgement, HARQ-ACK, codebook based on a receiver opportunity of the PSFCH, a size of the HARQ-ACK codebook being related to one or more of the following parameters: the number of the receiving opportunities of the PSFCH and the bit number of the hybrid automatic repeat request acknowledgement (HARQ-ACK) information which needs to be fed back by each receiving opportunity of the PSFCH.

The method according to claim 5, wherein the number of bits of the HARQ-ACK information to be fed back for each receiver of the PSFCH is related to one or more of the following parameters: the number of sub-channels in a resource pool transmitted by a side link, the feedback period of the PSFCH and the bit number of HARQ-ACK information to be fed back by each physical side link shared channel PSSCH.

The method of claim 6,the above-mentionedThe bit number of HARQ-ACK information to be fed back for each receiver opportunity of the PSFCH, M_subchannelThe number of sub-channels in the resource pool for side link transmission, where N is the feedback period of the PSFCH, andthe bit number of the HARQ-ACK information to be fed back for each PSSCH.

The method according to any one of claims 1 to 4, further comprising:

generating a hybrid automatic repeat request acknowledgement, HARQ-ACK, codebook based on a receiver opportunity of the PSFCH, a size of the HARQ-ACK codebook being related to one or more of the following parameters: the total number of HARQ processes supported by the terminal equipment and the number of bits of HARQ-ACK information generated by each HARQ process.

The method of claim 8,the above-mentionedFor HARQ-ACK codebook size, P is the total number of HARQ processes supported by the terminal equipment, andgenerated for each HARQ processThe number of bits of the generated HARQ-ACK information.

The method according to any one of claims 5 to 9, wherein the HARQ-ACK codebook includes hybrid automatic repeat request acknowledgement HARQ-ACK information of a first preconfigured physical side link shared channel CG psch, wherein the first CG psch is a CG psch with a highest priority among a plurality of CG pschs that require feedback of HARQ-ACK information to the network device, or the first CG psch is a CG psch with a smallest period among a plurality of CG pschs that require feedback of HARQ-ACK information to the network device, or the first CG psch is a CG psch transmitted last among a plurality of CG pschs that require feedback of HARQ-ACK information to the network device, or the first CG psch is a HARQ process identification of a plurality of CG pschs that require feedback of HARQ-ACK information to the network device.

The method according to any of claims 1-10, wherein the determining a first set of time domain resource offset values comprises:

determining a first time domain resource offset value set based on the configured uplink and downlink ratio or based on the configured monitoring downlink control information DCI format.

A communication apparatus, characterized in that the communication apparatus comprises:

a processing unit, configured to determine a first time domain resource offset value set, where the first time domain resource offset value set includes one or more time domain resource offset values between a physical sidelink feedback channel PSFCH and a physical uplink control channel PUCCH;

the processing unit is further configured to determine a receive opportunity of the PSFCH based on the first set of time domain resource offset values and a feedback period of the PSFCH.

The apparatus according to claim 12, wherein the processing unit determines the receive opportunity of the PSFCH based on the first set of time domain resource offset values and the feedback period of the PSFCH by:

determining a second time domain resource offset value set from the first time domain resource offset value set, wherein a carrier time domain resource corresponding to a time domain resource offset value in the second time domain resource offset value set is used for side link transmission;

determining a receive opportunity of the PSFCH based on the second set of time domain resource offset values and a feedback period of the PSFCH.

The apparatus according to claim 13, wherein the processing unit determines the receiving opportunity of the PSFCH based on the second set of time domain resource offset values and the feedback period of the PSFCH by:

determining the receiving opportunity of the PSFCH based on the index of the carrier time domain resource corresponding to the time domain resource offset value in the second time domain resource offset value set, the feedback period of the PSFCH and the time domain resource index offset value, wherein the time domain resource index offset value is an offset value between the resource pool time domain resource index transmitted by the side link and the carrier time domain resource index.

The apparatus of claim 14, wherein the processing unit determines the receiving opportunity of the PSFCH based on an index of a carrier time domain resource corresponding to a time domain resource offset value in the second set of time domain resource offset values, a feedback period of the PSFCH, and a time domain resource index offset value, and comprises:

if the index of the first carrier time domain resource satisfies:determining that the first carrier time domain resource is a time domain resource of a receiver opportunity of the PSFCH; wherein the first carrier time domain resource is a carrier time domain resource corresponding to any time domain resource offset value in the second time domain resource offset value set, and the first carrier time domain resource is a carrier time domain resource corresponding to any time domain resource offset value in the second time domain resource offset value setIs an index of the first carrier time domain resource, the O_phy-to-logAnd indexing an offset value for the time domain resource, wherein N is a feedback period of the PSFCH.

The apparatus according to any one of claims 12 to 15,

the processing unit is further configured to generate a hybrid automatic repeat request acknowledgement, HARQ-ACK, codebook based on the receiving opportunity of the PSFCH, the size of the HARQ-ACK codebook being related to one or more of the following parameters: the number of the receiving opportunities of the PSFCH and the bit number of the hybrid automatic repeat request acknowledgement (HARQ-ACK) information which needs to be fed back by each receiving opportunity of the PSFCH.

The apparatus according to claim 16, wherein the number of bits of the HARQ-ACK information to be fed back for each receiver of the PSFCH is related to one or more of the following parameters: the number of sub-channels in a resource pool transmitted by a side link, the feedback period of the PSFCH and the bit number of HARQ-ACK information to be fed back by each physical side link shared channel PSSCH.

The apparatus of claim 17,the above-mentionedThe bit number of HARQ-ACK information to be fed back for each receiver opportunity of the PSFCH, M_subchannelThe number of sub-channels in the resource pool for side link transmission, where N is the feedback period of the PSFCH, andthe bit number of the HARQ-ACK information to be fed back for each PSSCH.

The apparatus according to any one of claims 12 to 15,

the processing unit is further configured to generate a hybrid automatic repeat request acknowledgement, HARQ-ACK, codebook based on the receiving opportunity of the PSFCH, the size of the HARQ-ACK codebook being related to one or more of the following parameters: the total number of HARQ processes supported by the terminal equipment and the number of bits of HARQ-ACK information generated by each HARQ process.

The apparatus of claim 19,the above-mentionedFor HARQ-ACK codebook size, P is the total number of HARQ processes supported by the terminal equipment, andthe number of bits of HARQ-ACK information generated for each HARQ process.

The apparatus of claims 16-20, wherein the HARQ-ACK codebook comprises HARQ-ACK information for a hybrid automatic repeat request acknowledgement (HARQ-ACK) of a first preconfigured physical side link shared channel (CG psch), and wherein the first CG psch is a CG psch with a highest priority among a plurality of CG pschs that require HARQ-ACK information to be fed back to the network device, or the first CG psch is a CG psch with a lowest period among a plurality of CG pschs that require HARQ-ACK information to be fed back to the network device, or the first CG psch is a CG psch transmitted last among a plurality of CG pschs that require HARQ-ACK information to be fed back to the network device, or the first CG psch identifies a smallest HARQ process of a plurality of CG pschs that require HARQ-ACK information to be fed back to the network device.

The apparatus according to any of claims 12 to 21, wherein the processing unit determines the first set of time domain resource offset values by:

determining a first time domain resource offset value set based on the configured uplink and downlink ratio or based on the configured monitoring downlink control information DCI format.