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Fast random access method, device and user equipment

A technology of random access and random access response, which is used in error prevention/detection using return channels, advanced technology, wireless communication, etc. effect of time

Active Publication Date: 2020-02-21
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For UEs that apply shortened processing delay or shortened TTI, using the existing random access process will take as much time as ordinary UEs, and cannot shorten the processing delay in the random access process, affecting the application of shortened processing delay and shortening The effect of TTI

Method used

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  • Fast random access method, device and user equipment
  • Fast random access method, device and user equipment
  • Fast random access method, device and user equipment

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Embodiment Construction

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] The present invention provides a fast random access method, which is applied to UE in connected state, such as figure 1 As shown, the method includes:

[0057] S11. Receive an RRC signaling message, where the RRC signaling message is configured with information about applying fast random access;

[0058] S12. Perform fast random acce...

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Abstract

The invention provides a rapid random access method, a rapid random access device and a user equipment. The method comprises the following steps of receiving an RRC signaling message or a system message, wherein the RRC signaling message or the system message is configured with the information of application fast random access; and executing the fast random access according to the RRC signaling message or the system message. According to the invention, by applying the signaling configuration or the preset fast random access information, the fast random access can be executed, and the time required by the random access is shortened.

Description

[0001] This application is a divisional application with an application date of December 12, 2016, an application number of 201611140968.X, and an invention title of "Fast Random Access Method, Device, and User Equipment". technical field [0002] The present invention relates to the technical field of wireless communication, in particular to a fast random access method, device and user equipment. Background technique [0003] In LTE, random access is a basic function, and UE can be scheduled by the system to perform uplink transmission only after it obtains uplink synchronization with the system through the random access process. There are two types of random access in LTE: contention-based random access and non-contention-based random access. [0004] The contention-based random access process includes: the UE sends a random access preamble to the base station; after the base station detects the preamble, it sends a random access response to the UE; after receiving the ran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/00H04W74/08H04L1/18
CPCH04L1/1812H04W74/004H04W74/006H04W74/0833Y02D30/70
Inventor 邓云
Owner SPREADTRUM COMM (SHANGHAI) CO LTD