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HARQ feedback method, device, and readable storage medium

A technology for configuring information and terminals, used in digital transmission systems, error prevention, electrical components, etc., and can solve problems such as no solutions.

Pending Publication Date: 2020-01-10
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the proposed two-step random access process, after the terminal receives the random access message Msg.B returned by the base station, how does the terminal perform HARQ feedback to the base station, and there is no perfect solution yet

Method used

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  • HARQ feedback method, device, and readable storage medium
  • HARQ feedback method, device, and readable storage medium
  • HARQ feedback method, device, and readable storage medium

Examples

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Embodiment Construction

[0178] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0179] It should be understood that "several" mentioned herein refers to one or more, and "multiple" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and / or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently. The character " / " gen...

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Abstract

The invention discloses an HARQ feedback method, and belongs to the technical field of wireless communication. The method is executed by a base station. The method comprises following step: after first random access information (Msg.A) emitted by at least one terminal is received, returning second random access information (Msg.B) to at least one terminal, wherein Msg.B is used to indicate feedback parameters of all HARQ feedback terminals of at least one terminal; the HARQ feedback resources of all HARQ feedback terminals are different; and based on the HARQ feedback resources of all retransmission terminals, the base station receives HARQ feedbacks aiming at Msg.B from all retransmission terminals. The base station returns Msg.B, which indicates the feedback parameters of all HARQ feedback terminals, to at least one terminal to reduce the collision situation that terminals, which need to carry out HARQ feedback, use a same HARQ feedback resource, and thus the Msg.B feedback efficiency of the terminals is improved.

Description

technical field [0001] The present disclosure relates to the technical field of wireless communication, and in particular to a HARQ feedback method, device and readable storage medium. Background technique [0002] With the development of wireless communication technology, users' demand for wireless communication is getting higher and higher, which promotes the continuous evolution of wireless communication technology to the fifth generation mobile communication (5G) network. [0003] In related technologies, with the support of 5G NR (New Radio, new air interface), the Third Generation Partnership Project (Third Generation Partnership Project, 3GPP) has carried out the standardization work of two-step (2-step) random access, and A two-step random access mechanism is proposed, that is, the terminal sends the first random access message Msg.A to the base station, and the base station returns the second random access message Msg.B to the terminal for the Msg.A sent by the term...

Claims

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Application Information

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IPC IPC(8): H04L1/16H04L1/18H04W74/00H04W74/08
CPCH04L1/1607H04L1/1812H04W74/008H04W74/085H04W74/0833H04L1/1864H04L1/1896H04L1/1854H04L5/0055H04W72/21H04W72/23H04L1/1861
Inventor 牟勤
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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