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A communication method, device and system

A communication method and technology of group communication, applied in transmission systems, wireless communication, machine-to-machine/machine-type communication services, etc., can solve the problems of unguaranteed data transmission quality and lack of link adaptation function, etc. To ensure the effect of communication quality

Active Publication Date: 2022-03-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, broadcasting is usually used to transmit data between terminals performing D2D communication. There is no link adaptation function between the data sender and the data receiver, and the quality of data transmission cannot be guaranteed.

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  • A communication method, device and system
  • A communication method, device and system
  • A communication method, device and system

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Embodiment Construction

[0043] The technical solutions of the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0044] The network architecture and business scenarios described in the embodiments of the present application are intended to illustrate the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. Those of ordinary skill in the art know that with the evolution of the network architecture and For the emergence of new business scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.

[0045] The technology described in this application can be applied to various radio access technology (radio access technology, RAT) systems, such as code division multiple access (code division multiple access, CDMA), ...

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Abstract

The present application relates to the technical field of wireless communication, and in particular to a communication method, device and system. An embodiment of the present application provides a communication method, including a first communication device scheduling second communication devices in different subsets of N second communication devices to send signals in each channel measurement period of T channel measurement periods, and The subset needs to satisfy certain rules. This party aims to use as few time-frequency domain resources as possible to complete the link measurement between D2D communication terminals, and this application can be applied in various scenarios where the number of time-frequency domain resources changes or the number of terminals participating in D2D communication changes. The technical solution provided by the example realizes link measurement between D2D communication terminals.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a communication method, device and system. Background technique [0002] With the development of wireless communication technology and the popularity of smart terminals, the number of terminals in a wireless network has increased dramatically. A device-to-device (D2D) communication technology realizes communication between short-distance terminals, so as to share the network load of the wireless network and support more types of communication services. At the same time, based on the natural advantages of short-distance communication, D2D communication technology can also improve spectral efficiency, obtain higher throughput performance and lower transmission delay. [0003] In the prior art, data transmission is usually performed by broadcasting between terminals performing D2D communication. There is no link adaptation function between the data send...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/309H04W4/70H04W24/02
CPCH04W24/02H04B17/309H04W4/70
Inventor 胡星星赵悦莹汪凡
Owner HUAWEI TECH CO LTD