HARQ feedback method and device of SPS PDSCH, terminal and network side equipment

A technology of network-side equipment and target time slots, applied in the field of communication, can solve problems such as downlink symbol collisions, inability to guarantee PUCCH resource downlink symbol collisions, transmission, etc., and achieve the effect of reducing the impact
CN112787771AActive Publication Date: 2021-05-11DATANG MOBILE COMM EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
DATANG MOBILE COMM EQUIP CO LTD
Publication Date
2021-05-11

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Abstract

The embodiment of the invention discloses an HARQ (Hybrid Automatic Repeat Request) feedback method and device of an SPS PDSCH (Short Packet Switching Physical Downlink Shared Channel), a terminal and network side equipment. When a PUCCH (Physical Uplink Control Channel) resource used by HARQ-ACK (Hybrid Automatic Repeat Request Acknowledgement) of the SPS PDSCH (Short Packet Switching Physical Downlink Shared Channel) indicated based on activated DCI (Downlink Control Information) is an invalid resource, a first HARQ-ACK corresponding to the SPS PDSCH is delayed to a target time slot. Through judging whether a second HARQ-ACK of a dynamic PDSCH and a time slot offset K value set exist in the target time slot or not,the first HARQ-ACK is fed back in the target time slot or not is determined. The situation that the HARQ-ACK of the SPS PDSCH is discarded is reduced. Meanwhile, an existing feedback codebook determination process is prevented from being modified, and the influence on a protocol and implementation is reduced.
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Description

technical field

[0001] The present invention relates to the field of communication technology, in particular to a HARQ feedback method, device, terminal and network side equipment of SPS PDSCH. Background technique

[0002] In the 5G (5th Generation, fifth-generation mobile communication technology) NR (New Radio, new air interface) system, it supports semi-persistent scheduling (SPS, Semi-Persistent Scheduling) Physical Downlink Shared Channel (PDSCH, PhysicalDownlink Shared CHannel) transmission and has PDSCH (that is, dynamic PDCSH, or called dynamic PDCSH) transmission of a corresponding physical downlink control channel (PDCCH, PhysicalDownlink Control CHannel). When the SPS PDSCH service is configured, the high-level signaling will configure the RNTI (Radio Network Tempory Identity, wireless network temporary identity) corresponding to the SPS to scramble the PDCCH for the SPS PDSCH, and the high-level signaling will also configure the SPS PDSCH accordingly transmissi...

Claims

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