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案件記録

Vehicle wireless optical communication system based on fluorescent antenna

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92763576ファミリー
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案件概要

出願人

HUAWEI TECH CO LTD

出願番号

CN202310327413

発明者

LIANG DONG; ZHANG JUNPING; WAN JUNQIAO; GUO YUJIAN

出願日

Mar 23, 2023

公開日

Sep 24, 2024

パテントファミリーID

92763576

IPC分類

H04B10/25H04B10/2575H04W4/40

CPC分類

H04B10/2575H04B10/25752H04B10/2589H04W4/40

A vehicle wireless optical communication system based on a fluorescent antenna utilizes the photoluminescence effect of a fluorescent material to receive light incident from any direction, and a transmitting end (a vehicle or a track or a communication station beside a road) modulates a communication signal to a light beam emitted by a light source. Light emitted by the light source enters a fluorescent antenna (namely an optical fiber integrated with a fluorescent material, a lens or a high-efficiency light guide structure and the like) arranged at a receiving end (a communication station beside a track or a road or a vehicle), so that light beam alignment equipment does not need to be arranged at the light source of a sending end and the receiving end. Meanwhile, the strip-shaped or strip-shaped fluorescent antenna structure can form a communication coverage area parallel to a track or a road, and the number of communication stations beside the track or the road can be reduced in cooperation with a directional angle and a divergence angle of a light beam emitted by the light source, the problem of frequent cross-region switching is avoided, meanwhile, the stability of communication of passengers in the vehicle is guaranteed, and the safety of passengers is improved. And the cost is low.

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