CN111492598A - 一种相机通信方法及装置 - Google Patents

一种相机通信方法及装置 Download PDF

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Publication number
CN111492598A
CN111492598A CN201880081678.3A CN201880081678A CN111492598A CN 111492598 A CN111492598 A CN 111492598A CN 201880081678 A CN201880081678 A CN 201880081678A CN 111492598 A CN111492598 A CN 111492598A
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CN111492598B (zh
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罗鹏飞
姜彤
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H04B10/11—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
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/502—LED transmitters
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • 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
    • H04B10/60—Receivers

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

Abstract

本申请实施例公开了一种相机通信方法及装置，涉及通信领域，解决了光学相机通信系统中多路光源的场景，如何实现多路光源同时传输，提高传输效率的问题。方案为：生成N个导频符号和M×N个UPPM符号，N个导频符号中每个导频符号包括W个波形段，W个波形段中每个波形段包括第一光源序号指示部分，用于指示光源序号，W个波形段中奇数序号的波形段的波形相同，偶数序号的波形段的波形相同，W个波形段中每个波形段的时长相等，通过N个光源发送N个导频符号和M×N个UPPM符号，其中，一个光源发送一个导频符号和M个UPPM符号。本申请实施例用于光学相机通信过程中。

Description

PCT国内申请，说明书已公开。

Claims (29)

  1. PCT国内申请，权利要求书已公开。
CN201880081678.3A 2018-01-08 2018-01-08 一种相机通信方法及装置 Expired - Fee Related CN111492598B (zh)

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PCT/CN2018/071817 WO2019134176A1 (zh) 2018-01-08 2018-01-08 一种相机通信方法及装置

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CN111492598B CN111492598B (zh) 2021-07-09

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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
AU2019296512B2 (en) * 2018-06-29 2023-06-01 Monash University Visible light positioning receiver arrangement and two stage positioning method
JP7043104B1 (ja) * 2021-05-31 2022-03-29 株式会社N sketch デバイス管理システム及びその管理方法、物品管理システム及びその管理方法、並びにデバイス及びその通信方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110044404A1 (en) * 2008-03-31 2011-02-24 Nxp B.V. Digital modulator
CN102164436A (zh) * 2011-02-22 2011-08-24 华东理工大学 基于可见光通信接收机的自适应照明系统
CN103763829A (zh) * 2014-01-20 2014-04-30 南京邮电大学 一种基于ofdm信号的光源调光方法
WO2014180080A1 (zh) * 2013-05-09 2014-11-13 中兴通讯股份有限公司 实现可见光通信的方法、系统及发送装置和接收装置
CN105846896A (zh) * 2016-05-16 2016-08-10 苏州安莱光电科技有限公司 一种红外补偿全范围调光的可见光ofdm通信装置
WO2016133285A1 (ko) * 2015-02-17 2016-08-25 국민대학교산학협력단 롤링 셔터 변조를 이용한 이미지 센서 통신 시스템 및 통신 방법
CN107395987A (zh) * 2017-08-31 2017-11-24 华南理工大学 一种用于可见光通信的智能手机帧速率控制方法与系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101550375B1 (ko) * 2014-09-04 2015-09-04 국민대학교산학협력단 광학 카메라 통신 시스템
WO2016118058A1 (en) * 2015-01-23 2016-07-28 Telefonaktiebolaget Lm Ericsson (Publ) Vlc-based video frame synchronization
JP2018511915A (ja) * 2015-03-17 2018-04-26 フィリップス ライティング ホールディング ビー ヴィ 符号化光におけるフリッカの低減
US9866323B2 (en) * 2015-12-29 2018-01-09 Intel Corporation Techniques for optical wireless communication
CN105865458B (zh) * 2016-06-20 2018-09-04 中国地质大学（武汉） 一种led室内定位导航方法及定位导航系统
CN113556175A (zh) * 2016-12-16 2021-10-26 松下电器（美国）知识产权公司 终端及通信方法
CN110546896B (zh) * 2017-04-28 2023-04-04 松下电器（美国）知识产权公司 发送装置、发送方法、接收装置、以及接收方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110044404A1 (en) * 2008-03-31 2011-02-24 Nxp B.V. Digital modulator
CN102164436A (zh) * 2011-02-22 2011-08-24 华东理工大学 基于可见光通信接收机的自适应照明系统
WO2014180080A1 (zh) * 2013-05-09 2014-11-13 中兴通讯股份有限公司 实现可见光通信的方法、系统及发送装置和接收装置
CN103763829A (zh) * 2014-01-20 2014-04-30 南京邮电大学 一种基于ofdm信号的光源调光方法
WO2016133285A1 (ko) * 2015-02-17 2016-08-25 국민대학교산학협력단 롤링 셔터 변조를 이용한 이미지 센서 통신 시스템 및 통신 방법
CN105846896A (zh) * 2016-05-16 2016-08-10 苏州安莱光电科技有限公司 一种红外补偿全范围调光的可见光ofdm通信装置
CN107395987A (zh) * 2017-08-31 2017-11-24 华南理工大学 一种用于可见光通信的智能手机帧速率控制方法与系统

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PENGFEI LUO等: "Undersampled-PAM with subcarrier modulation for camera communications", 《2015 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC)》 *
张民等: "基于相机的可见光通信技术", 《科技导报》 *

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Publication number Publication date
US20200336207A1 (en) 2020-10-22
CN111492598B (zh) 2021-07-09
US11025342B2 (en) 2021-06-01
WO2019134176A1 (zh) 2019-07-11

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