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Beam training method and beam training device

A beam training and beam technology, applied in the field of communication, can solve the problems of transmission interruption of multiple beams and close distance between pairs, so as to avoid transmission interruption, reduce the probability of transmission interruption, enhance robustness and the ability of continuous transmission. Effect

Inactive Publication Date: 2019-04-26
HUAWEI TECH CO LTD
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Problems solved by technology

In this way, due to the close distance between the selected beam pairs, multiple beams are blocked at the same time and the transmission is interrupted.

Method used

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  • Beam training method and beam training device
  • Beam training method and beam training device
  • Beam training method and beam training device

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Embodiment Construction

[0054] The technical solution in this application will be described below with reference to the accompanying drawings.

[0055] It should be understood that the embodiment of the present application may be applied to a wireless local area network (wireless local area network, WLAN), and the embodiment of the present application may be applicable to the International Institute of Electrical and Electronics Engineers (Institute of Electrical and Electronics Engineers, IEEE) 802.11 series protocols currently used by the WLAN. any of the protocols. A WLAN may include one or more basic service sets (basic service set, BSS), and network nodes in the basic service set include access points (access point, AP) and stations (station, STA). Based on the original BSS, IEEE 802.11ad introduces a personal basic service set (PBSS) and a personal basic service set control point (PBSS control point, PCP). Each personal basic service set can include an AP / PCP and multiple stations associated w...

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Abstract

The application provides a beam training method and a beam training device. The method includes the following steps: acquiring sector angle information, wherein the sector angle information is used torepresent angles between a plurality of sectors of initiating equipment and / or angles between a plurality of sectors of answering equipment; acquiring signal quality information, wherein the signal quality information is used to represent the signal quality of the initiating equipment and the answering equipment when adopting different transceiving sectors; and performing beam selection accordingto the sector angle information and the signal quality information. The beam training method and the beam training device provided by the embodiment of the application are beneficial to reducing theprobability of transmission interruption.

Description

technical field [0001] The present application relates to the communication field, in particular to a beam training method and a beam training device in the communication field. Background technique [0002] The International Institute of Electrical and Electronics Engineers (IEEE) 802.11ay is one of the standards for millimeter wave wireless communication used in wireless local area network communication. The bandwidth available in the mmWave frequency band is very wide, which can bring high data transmission rates. However, millimeter-wave signal channel attenuation is severe and path loss is large. Therefore, in millimeter-wave communication, directional beamforming (BF) technology needs to be used to provide additional transmit antenna gain or receive antenna gain to overcome signal attenuation. Due to the use of directional beams, the sender or receiver of the data needs to focus its sending or receiving direction within a small angular range. In order to realize data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06H04B7/08
CPCH04B7/0413H04B7/0617H04B7/0623H04B7/0636H04B7/0695H04B7/0851H04B7/088
Inventor 刘衍平韩霄何蓉
Owner HUAWEI TECH CO LTD
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