CN113557678A - 一种自由空间光通信方法及发射机、接收机 - Google Patents

一种自由空间光通信方法及发射机、接收机 Download PDF

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Publication number
CN113557678A
CN113557678A CN201980093061.8A CN201980093061A CN113557678A CN 113557678 A CN113557678 A CN 113557678A CN 201980093061 A CN201980093061 A CN 201980093061A CN 113557678 A CN113557678 A CN 113557678A
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China
Prior art keywords
signal
transmitter
wireless
receiver
signals
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Pending
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CN201980093061.8A
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English (en)
Inventor
沈嘉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of CN113557678A publication Critical patent/CN113557678A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0775—Performance monitoring and measurement of transmission parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/116—Visible light communication

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

本公开实施例公开了自由空间光通信方法及发射机、接收机，所述方法包括：在发射机和接收机之间通过光信号传输无线数据；在发射机和接收机之间发射与所述光信号不同的无线探测信号；检测所述无线探测信号是否被遮挡；根据检测结果对所述光信号的传输进行调整，以在所述无线探测信号被遮挡时降低所述光信号的强度或者中止所述光信号的传输。

Description

PCT国内申请，说明书已公开。

Claims (32)

  1. PCT国内申请，权利要求书已公开。
CN201980093061.8A 2019-03-08 2019-03-08 一种自由空间光通信方法及发射机、接收机 Pending CN113557678A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/077545 WO2020181433A1 (zh) 2019-03-08 2019-03-08 一种自由空间光通信方法及发射机、接收机

Publications (1)

Publication Number Publication Date
CN113557678A true CN113557678A (zh) 2021-10-26

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ID=72427177

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CN201980093061.8A Pending CN113557678A (zh) 2019-03-08 2019-03-08 一种自由空间光通信方法及发射机、接收机

Country Status (4)

Country Link
US (1) US11799545B2 (zh)
EP (1) EP3930219A4 (zh)
CN (1) CN113557678A (zh)
WO (1) WO2020181433A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113596202B (zh) * 2021-07-06 2024-05-14 维沃移动通信有限公司 光敏传感器的控制方法及电子设备
WO2023181278A1 (ja) * 2022-03-24 2023-09-28 日本電信電話株式会社 光無線通信システム、光無線通信方法及び光送信装置
CN118054850B (zh) * 2024-03-04 2024-07-23 重庆邮电大学 一种光与毫米波双向异构链路的一体化融合传输系统与方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229593A (en) * 1991-10-08 1993-07-20 International Business Machines Corporation Apparatus and method for safe, free space laser communication
JP3108960B2 (ja) * 1992-06-30 2000-11-13 京セラ株式会社 光空間伝送装置
KR100242408B1 (ko) * 1994-04-18 2000-02-01 포만 제프리 엘 무선 광 통신 시스템 및 방법과 그에 사용되는 수신 유닛
US6643466B1 (en) * 2000-09-29 2003-11-04 Lucent Technologies Inc. Method and apparatus for controlling signal power level in free space communication
US7203424B2 (en) * 2000-10-13 2007-04-10 Kiribati Wireless Ventures Llc Automatic laser power control in an optical communication system
JP4375076B2 (ja) * 2004-03-25 2009-12-02 Ｋｄｄｉ株式会社 光無線伝送システム
US8452182B2 (en) * 2009-12-21 2013-05-28 The Invention Science Fund I, Llc Data center with free-space optical communications
CN103825656A (zh) * 2013-12-10 2014-05-28 上海航天测控通信研究所 基于tcp/ip的可见光通信系统及方法
CN107436430A (zh) * 2017-08-07 2017-12-05 周俊 高安全性光电遥感设备扫描探测装置
GB201820402D0 (en) * 2018-12-14 2019-01-30 Purelifi Ltd Motion sensing LiFi access point
US11082128B1 (en) * 2020-02-10 2021-08-03 SA Photonics, Inc. Free space optical terminal with dither based alignment

Also Published As

Publication number Publication date
WO2020181433A1 (zh) 2020-09-17
US11799545B2 (en) 2023-10-24
EP3930219A1 (en) 2021-12-29
EP3930219A4 (en) 2022-03-02
US20210399800A1 (en) 2021-12-23

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