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Method, device, user equipment and base station for shortening access delay

A technology for user equipment and base stations, applied in the field of communication, can solve problems such as large access delay, and achieve the effect of avoiding the extension of access time

Active Publication Date: 2022-04-15
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The contention-based random access process in the related art can cause a large access delay for UEs that cannot successfully access

Method used

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  • Method, device, user equipment and base station for shortening access delay
  • Method, device, user equipment and base station for shortening access delay
  • Method, device, user equipment and base station for shortening access delay

Examples

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Embodiment Construction

[0104] 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 invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0105] The technical solutions provided in this disclosure are applicable to mobile networks, such as Long Term Evolution (LTE for short) and new generation networks (such as 5G networks). In mobile networks, UEs can access network. In the contention-based random access process, the UE sends a preamble to the base station through message one (MSG1) of the random access process, and the base sta...

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Abstract

The present disclosure relates to a method, device, user equipment and base station for shortening access delay. The method includes: receiving the message three of the random access procedure sent by the user equipment; when it is determined to reject the access of the user equipment, sending the message four of the random access procedure to the user equipment, and the message four carries the base station rejection The reason value for access. The disclosed technical solution can ensure that the UE selects a suitable base station for random access when receiving the message 4 that the contention resolution is unsuccessful, and avoids the problem of prolonging the access time caused by repeatedly initiating random access to the base station that cannot be accessed .

Description

technical field [0001] The present disclosure relates to the field of communication technologies, and in particular to a method, device, user equipment and base station for shortening access delay. Background technique [0002] In the related art, when a user equipment (User Equipment, referred to as UE) performs a contention-based random access process, the base station can perform contention resolution through the message 4 MSG4 of the random access process. If the UE finds that there is no contention resolution after receiving MSG4 If successful, the random access process will be initiated again after a period of time according to the fallback parameters, until the number of random accesses initiated by the UE reaches the maximum allowed number of random accesses, and the UE cannot successfully access the base station, the UE will choose other The base station performs random access. The contention-based random access process in the related art may cause a large access d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/08H04W74/00H04W74/08H04W76/18
CPCH04W74/002H04W74/0833H04W76/18H04W48/20H04W48/02H04W48/14
Inventor 洪伟
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD