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A kind of harq-ack transmission method, terminal equipment and network equipment

A transmission method and a technology of preset conditions, which are applied in the field of communication, can solve problems such as rate matching and the inability to obtain the number of HARQ-ACK bits, and achieve the effect of compressing feedback delay and improving system transmission efficiency

Active Publication Date: 2021-06-29
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the existing mechanism, as long as it is determined according to the timing of the HARQ-ACK feedback that feedback needs to be performed in the time slot where the PUSCH is located, if the PUCCH carrying the HARQ-ACK overlaps with the PUSCH, the HARQ-ACK will be transmitted on the PUSCH, then when a downlink transmission The occurrence time is later than the time when the PUSCH starts to prepare, and the PUSCH cannot obtain the final number of HARQ-ACK bits during the preparation, resulting in the inability to perform correct rate matching between the data and the final HARQ-ACK

Method used

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  • A kind of harq-ack transmission method, terminal equipment and network equipment
  • A kind of harq-ack transmission method, terminal equipment and network equipment
  • A kind of harq-ack transmission method, terminal equipment and network equipment

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Embodiment 1

[0366] Embodiment 1, see image 3 , image 3 It is a schematic diagram of scheduling and feedback in Embodiment 1. image 3 Take a frequency division duplex (Frequency Division Duplex, FDD) system as an example. There are uplink resources and downlink resources in each time slot. Depending on the pre-configuration of high-layer signaling, there may be different numbers of PDSCH scheduling transmissions in different time slots, and there may also be different numbers of PDCCH monitoring occasions. Alternatively, there may be the same number of PDSCH scheduled transmissions in different time slots, and there may also be the same number of PDCCH monitoring occasions. The network device sends a UL grant in the second PDCCHmonitoring occasion in slot n-3, that is, a PDCCH using DCI format 0_0 or 0_1, which is used to schedule the terminal to perform in the 4 consecutive slots starting from slot n. PUSCH repeated transmission. Wherein, K2 represents the uplink scheduling timing...

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Abstract

The present invention discloses a HARQ-ACK transmission method, terminal equipment and network equipment, which are used to provide a new mechanism to determine how to transmit HARQ-ACK on PUSCH, so as to reduce downlink transmission delay and ensure data and final The HARQ‑ACK is capable of correct rate matching. The HARQ-ACK transmission method includes: if the physical uplink control channel PUCCH carrying HARQ-ACK overlaps with the first type of physical uplink shared channel PUSCH, then determine the HARQ of the downlink transmission corresponding to the first type of physical downlink control channel PDCCH - ACK is not transmitted on said first type PUSCH.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a HARQ-ACK transmission method, terminal equipment and network equipment. Background technique [0002] The wireless air interface technology (NR for short) in the fifth generation mobile communication technology (5Generation, 5G) network supports the repeated transmission of the Physical Uplink Shared Channel (PUSCH), and also supports the physical uplink control channel (Physical Uplink Control Channel). When time domain resources of Channel, PUCCH) and PUSCH overlap, uplink control information (Uplink Control Information, UCI) carried on PUCCH is transferred to PUSCH for transmission, thereby avoiding parallel transmission of multiple channels. [0003] For multiple PUSCH transmissions scheduled by an uplink scheduling grant (Uplink, UL) grant, the UL grant can only be used for Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) transmission on the first P...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04L1/18H04W72/04H04W72/12
CPCH04L5/0055H04L1/1812H04W72/0446H04W72/1273H04W72/23H04L1/18H04W72/04H04W72/12H04L5/00
Inventor 高雪娟
Owner DATANG MOBILE COMM EQUIP CO LTD