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HARQ-ACK feedback method and terminal

A terminal and feedback timing technology, applied in the field of communication

Active Publication Date: 2020-07-21
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a HARQ-ACK feedback method and terminal to solve the problem in the prior art that there is no specific method for generating a semi-static codebook when the feedback timing granularity changes

Method used

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  • HARQ-ACK feedback method and terminal
  • HARQ-ACK feedback method and terminal
  • HARQ-ACK feedback method and terminal

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Embodiment Construction

[0129] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the attached drawings and specific embodiments.

[0130] See figure 1 , figure 1 It is a schematic diagram of a network structure applicable to the embodiment of the present invention, such as figure 1 As shown, it includes a terminal 11 and a network-side device 12, where the terminal 11 may be a user terminal (User Equipment, UE) or other terminal equipment, such as a mobile phone, a tablet computer (Tablet Personal Computer), and a laptop computer (Laptop Computer) , Personal digital assistant (PDA), mobile internet device (Mobile Internet Device, MID), or wearable device (Wearable Device) and other terminal-side devices. It should be noted that the embodiments of the present invention are not limited The specific type of terminal. The network side equipment 12 may be a base station, such as...

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PUM

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Abstract

The embodiment of the invention provides an HARQ-ACK feedback method and a terminal, and the method comprises the steps: obtaining a feedback time sequence set, wherein a basic unit of a feedback timesequence in the feedback time sequence set to be smaller than one time slot; and generating HARQ-ACK feedback information according to the feedback time sequence set and feeding back the HARQ-ACK feedback information in the uplink time slot. The embodiment of the invention provides a specific generation method of a semi-static codebook when the granularity of the feedback time sequence is changed, so that the HARQ-ACK of downlink transmission can be normally fed back.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to a HARQ-ACK feedback method and terminal. Background technique [0002] At present, in the NR (New Radio) communication system, HARQ-ACK (Hybrid Automatic Repeat request-ACK, hybrid automatic repeat request-acknowledgement) feedback is supported using semi-static codebook and dynamic codebook schemes. When the terminal is configured to use the semi-static HARQ-ACK codebook, the UE (terminal) first according to HARQ-ACK feedback timing (K1), semi-static time slot structure (if configured) and PDSCH (Physical Downlink Shared Channel, physical downlink Shared channel) Candidate time domain resource allocation information determines the PDSCH position set M corresponding to HARQ-ACK feedback in the same time slot n on each carrier c A,c . Then according to M A,c , Map the HARQ-ACK of the PDSCH received in the PDSCH position set to the corresponding position in the HARQ-ACK ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
CPCH04L1/1812
Inventor 司倩倩高雪娟
Owner DATANG MOBILE COMM EQUIP CO LTD
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