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Communication method and device

The technology of a communication method and a communication device is applied in the field of communication to achieve the effect of improving the chance of receiving RAR and improving system compatibility

Active Publication Date: 2019-10-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Communication method and device
  • Communication method and device
  • 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

The invention provides a communication method and a device, wherein the method comprises: a terminal-side device receives a first message from a network device, the first message comprising first offset information, or the first message comprising second offset information, or the first message comprising the first offset information and the second offset information; wherein the first offset information is used for indicating a time offset value of an RAR monitoring window for monitoring a random access response RAR; the second offset information is used for indicating a time offset value forsending a second message, and the second message is a message sent by the terminal side equipment according to the RAR; and the terminal side device randomly accesses the network device according tothe first message.

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 Applications(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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