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Method for wireless communication and a communication device

A technology of wireless communication and communication device, applied in the field of communication, can solve problems such as no solution, and achieve the effect of reducing feedback redundancy problem and avoiding candidate timing redundancy

Active Publication Date: 2020-07-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, how to perform the above-mentioned sub-slot-based HARQ-ACK codebook feedback in the semi-static codebook feedback, there is no relevant scheme at present

Method used

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  • Method for wireless communication and a communication device
  • Method for wireless communication and a communication device
  • Method for wireless communication and a communication device

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Embodiment Construction

[0107] The technical solution in this application will be described below with reference to the accompanying drawings.

[0108] The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: global system for mobile communications (GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division multiple access (WCDMA) system, general packet radio service (general packet radio service, GPRS), long term evolution (long termevolution, LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunications system (universal mobile telecommunications system, UMTS), global interconnection microwave access (worldwide interoperability for microwave access, WiMAX) communication system, the future fifth generation (5th generation, 5G) system or NR Wait.

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PUM

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Abstract

The invention provides a method for wireless communication and a communication device so that feedback of a semi-static codebook with sub-slot as granularity can be achieved. The method comprises thefollowing steps: determining a candidate opportunity set, wherein the number of candidate opportunities included in the candidate opportunity set is the maximum number of non-overlapping data transmission opportunities included in a data transmission opportunity set; wherein the data transmission opportunity set corresponds to a first set, the first set comprises one or more downlink sub-time units, and the one or more downlink sub-time units correspond to a target uplink sub-time unit; and sending or receiving feedback information in the target uplink sub-time unit, wherein the feedback information comprises a hybrid automatic repeat request-ACK codebook corresponding to the candidate opportunity set.

Description

technical field [0001] The present application relates to the field of communication, and more particularly, to a method and a communication device for wireless communication. Background technique [0002] Hybrid automatic repeat request (HARQ) is an efficient transmission mechanism. On the one hand, the reliability of downlink data transmission can be greatly improved through retransmission; , NACK), the network device needs to retransmit, which reduces the overall resource consumption of data transmission. [0003] In a wireless communication system (for example, in a new generation radio access technology (NR) system), an acknowledgment (acknowledgment, ACK) / NACK within a time slot needs to be jointly coded and transmitted, and the transmission flexibility is not enough. It may cause the problem of increased ACK / NACK transmission delay. For this reason, multiple HARQ-ACK codebooks can be fed back in one time slot, that is, multiple time-division physical uplink control ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04W72/04H04L1/18
CPCH04L5/0055H04W72/0446H04L1/1812H04L1/1861
Inventor 李胜钰官磊马蕊香
Owner HUAWEI TECH CO LTD
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