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Random access indication method and device and storage medium

A technology of random access and random access preamble, which is applied in the field of communication and can solve problems such as no perfect solution

Active Publication Date: 2019-11-15
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no perfect solution for how to initiate random access to the base station when the terminal has multiple antenna panels

Method used

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  • Random access indication method and device and storage medium
  • Random access indication method and device and storage medium
  • Random access indication method and device and storage medium

Examples

Experimental program
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Embodiment Construction

[0129] 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.

[0130] The network architecture and business scenarios described in the embodiments of the present disclosure are for more clearly illustrating the technical solutions of the embodiments of the present disclosure, and do not constitute limitations on the technical solutions provided by the embodiments of the present disclosure. The evolution of technology and the emergence of new busin...

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Abstract

The invention discloses a random access indication method and device and a storage medium, and relates to the technical field of communication. The method comprises the following steps: a serving basestation sends a random access indication signaling, and the random access indication signaling indicates a target antenna panel and / or a target beam for sending a random access lead code to a terminal; and the terminal receives the random access indication signaling, and determines a target antenna panel and / or a target beam for sending the random access preamble according to the random access indication signaling. According to the embodiment of the invention, the random access indication signaling is sent to the terminal through the service base station, so that the terminal can determine the target antenna panel and / or the target beam for sending the random access preamble according to the random access indication signaling; thus, when the terminal has a plurality of antenna panels, theterminal can accurately determine which antenna panel is used to initiate random access, which is helpful for improving the accuracy and success rate of random access and reducing the random access time delay.

Description

technical field [0001] The embodiments of the present disclosure relate to the field of communication technologies, and in particular, to a random access indication method, device and storage medium. Background technique [0002] The terminal needs to initiate random access to the base station in order to successfully establish a wireless connection with the base station. [0003] In the traditional solution, the terminal generally has only one antenna panel, and the terminal initiates random access to the base station through this antenna panel. In the 5G NR (New Radio, new air interface) system, in order to improve the space diversity gain, the base station and the terminal can each have multiple antenna panels. Multiple antenna panels of the base station may belong to the same TRP (Transmitter Receiver Point, transmission receiving point), or may belong to multiple different TRPs. [0004] At present, there is no perfect solution for how to initiate random access to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W74/00H04W74/08
CPCH04W36/0058H04W36/0061H04W74/006H04W74/0833H04W36/08H04W36/0072H04B7/0695H04B7/0691H04B7/088H04B7/0874H04W48/12H04W74/004H04W36/0077H04W36/305H04B7/0404H04W16/28
Inventor 李明菊
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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