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Control signal transmitting and receiving method and device

A technology for controlling signals and sending methods, which is applied in the field of communication and can solve problems such as high system overhead

Active Publication Date: 2017-02-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a method and device for sending and receiving control signals, which are used to solve the technical problem of high system overhead caused by the central node continuously sending control signals to remote nodes

Method used

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  • Control signal transmitting and receiving method and device
  • Control signal transmitting and receiving method and device
  • Control signal transmitting and receiving method and device

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Embodiment Construction

[0130] 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 a part of 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 creative efforts fall within the protection scope of the present invention.

[0131] Hereinafter, some terms used in the present invention will be explained to facilitate the understanding of those skilled in the art.

[0132] The remote node in the embodiment of the present invention may refer to a terminal, or may refer to an RU, or may refer to a small station, etc., and the central node may refer to an eNB, or may refer...

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Abstract

The invention discloses a control signal transmitting method for solving the technical problem of overlarge system overhead due to that a central node continues to send control signals to a remote node. The method comprises the steps that after the connection between a central node and a remote node is established, the central node receives notification signaling transmitted by the remote node, the notification signaling being used for instructing whether the central node transmits control signals; and if the notification signaling instructs the central node to transmit the control signals, the central node transmits the control signals to the remote node after receiving trigger signaling of the remote node according to an instruction of the notification signaling. The invention also discloses a corresponding receiving method and device.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a control signal sending and receiving method and device. Background technique [0002] For a wireless communication system, such as an LTE (Long Term Evolution, Long Term Evolution) system, in the initial access phase, the terminal detects the PSS (Physical Synchronization Signal, Primary Synchronization Signal) / SSS (Secondary Synchronization Signal, secondary synchronization signal) obtains cell ID (Identity, identity number), initial timing information and initial frequency offset information, etc., and obtains other System information, the terminal establishes a connection with the eNB through the obtained control signals. [0003] After the terminal establishes a connection with the eNB, no matter whether the terminal needs control signals such as PSS / SSS and PBCH, the eNB will continue to send these information to the terminal through radio frames, resulting in a l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04L5/00
CPCH04L5/0044H04L5/0048H04L5/0053H04W72/23H04W24/02H04W28/06
Inventor 张伟张晓燕夏欣徐剑标吕磊
Owner HUAWEI TECH CO LTD
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