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Transmission method, network device and terminal of hybrid automatic repeat transmission feedback information

A technology of hybrid automatic retransmission and feedback information, applied in the field of communication, can solve problems such as no clear method

Active Publication Date: 2021-08-24
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] When the granularity of the feedback delay is reduced, the scheduling of PDSCH transmission does not change, that is, K0 is still based on time slots. At this time, how to determine the transmission position of HARQ-ACK corresponding to PDSCH according to the transmission position of PDSCH and K1 no clear way

Method used

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  • Transmission method, network device and terminal of hybrid automatic repeat transmission feedback information
  • Transmission method, network device and terminal of hybrid automatic repeat transmission feedback information
  • Transmission method, network device and terminal of hybrid automatic repeat transmission feedback information

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Embodiment Construction

[0104] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0105] Such as figure 2 As shown, the embodiments of the present invention provide a method for transmitting HARQ feedback information, which is applied to network devices, including:

[0106] Step 21: Determine the transmission position of the HARQ-ACK according to the transmission position of the downlink transmission and the feedback timing of the hybrid automatic repeat request feedback response HARQ-ACK of the downlink transmission; where...

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Abstract

The present invention discloses a transmission method, network equipment and terminal of hybrid automatic repeat transmission feedback information, the method comprising: according to the transmission position of the downlink transmission and the feedback of the hybrid automatic repeat transmission request feedback response HARQ-ACK feedback of the downlink transmission timing, determining the transmission position of the HARQ-ACK; the granularity of the feedback timing is less than 1 time slot; receiving the HARQ-ACK at the transmission position of the HARQ-ACK. The solution of the present invention ensures that the HARQ-ACK for 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 transmission method of hybrid automatic repeat transmission feedback information, a network device and a terminal. Background technique [0002] With the development and change of mobile communication service requirements, many organizations such as ITU (International Telecommunication Union, International Telecommunication Union) have begun to study new wireless communication systems (ie, 5G NR, 5Generation New RAT) for future mobile communication systems. Flexible timing relationships are supported in 5G NR. [0003] For PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel), the PDCCH (Physical Downlink Control CHannel, Physical Downlink Control Channel) carrying its scheduling information indicates the scheduling timing relationship (Scheduling timing, K0) between PDSCH and PDCCH and PDSCH Feedback timing relationship (HARQ-ACK timing, ie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18H04L1/16H04L5/00
CPCH04L1/1806H04L1/1812H04L1/1848H04L1/1607H04L5/0055H04L5/0008H04L5/0007H04L1/1854H04L1/1861H04W76/34H04L27/26025H04L5/0053H04W72/0446H04W72/1273H04W72/23
Inventor 高雪娟艾托尼
Owner DATANG MOBILE COMM EQUIP CO LTD
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