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A communication method and device

A communication method and technology of offset information, applied in the field of communication, to achieve the effect of increasing the chance of receiving RAR

Active Publication Date: 2021-11-19
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a communication method and device to solve the problem of how the terminal side equipment accesses the network in the case of long transmission and high delay

Method used

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  • A communication method and device
  • A communication method and device
  • A communication method and device

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Embodiment Construction

[0080] The embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0081] The embodiments of the present application can be applied to mobile communication systems of various standards, for example: new radio (new radio, NR) system, global mobile communication (global system of mobile communication, GSM) system, code division multiple access (code division multiple access) , CDMA) system, wideband code division multiple access (WCDMA) system, general packet radio service (general pcket radio service, GPRS), long term evolution (long term evolution, LTE) system, advanced long term evolution (advanced Long termevolution (LTE-A) system, universal mobile telecommunications system (universal mobile telecommunications system, UMTS), evolved long term evolution (evolved long term evolution, eLTE) system, and future communication systems are not limited here.

[0082] figure 1 A schematic structural diagram of a mobile c...

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Abstract

A communication method and device, wherein the method includes: a terminal side device receives a first message from a network device, the first message includes first offset information, or the first message includes second offset information, or the The first message includes the first offset information and the second offset information; wherein, the first offset information is used to indicate the time offset value of the RAR monitoring window for monitoring the random access response RAR; The second offset information is used to indicate a time offset value for sending a second message, the second message is a message sent by the terminal-side device according to the RAR; the terminal-side device randomly sends the message according to the first message Access the network device.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a communication method and device. Background technique [0002] In mobile communication systems such as a long term evolution (long term evolution, LTE) system and a new radio interface (new radio, NR) system, a terminal side device needs to access the mobile communication system through a random access (random access, RA) process. The terminal side device initiates a random access process by sending a random access preamble (preamble), and after sending the preamble, receives a RAR within a random access response (random access response, RAR) monitoring window, and the RAR is sent by the terminal The random access radionetwork temporary identifier (random access radionetwork temporary identifier, RA-RNTI) corresponding to the side device is scrambled. [0003] With the further research of the mobile communication system by the 3rd generation partnership pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04W24/08H04L5/00
CPCH04W74/0833H04W74/006H04W84/06H04B7/18513H04W56/0045H04W72/0446
Inventor 魏冬冬汪凡
Owner HUAWEI TECH CO LTD
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