SG100770A1 - Information transmission system and information transmission method, and, optical space transmission system and optical space transmission method - Google Patents

Information transmission system and information transmission method, and, optical space transmission system and optical space transmission method

Info

Publication number
SG100770A1
SG100770A1 SG200107207A SG200107207A SG100770A1 SG 100770 A1 SG100770 A1 SG 100770A1 SG 200107207 A SG200107207 A SG 200107207A SG 200107207 A SG200107207 A SG 200107207A SG 100770 A1 SG100770 A1 SG 100770A1
Authority
SG
Singapore
Prior art keywords
optical space
transmission system
transmission method
information transmission
information
Prior art date
Application number
SG200107207A
Other languages
English (en)
Inventor
Aburakawa Yuji
Yoshino Hitoshi
Otsu Toru
Yamao Yasushi
Original Assignee
Ntt Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of SG100770A1 publication Critical patent/SG100770A1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03Arrangements for fault recovery
    • H04B10/032Arrangements for fault recovery using working and protection systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
SG200107207A 2001-02-15 2001-11-21 Information transmission system and information transmission method, and, optical space transmission system and optical space transmission method SG100770A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001039178A JP2002246965A (ja) 2001-02-15 2001-02-15 情報伝送方法及びシステム、並びに送信装置、及び受信装置

Publications (1)

Publication Number Publication Date
SG100770A1 true SG100770A1 (en) 2003-12-26

Family

ID=18902029

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200107207A SG100770A1 (en) 2001-02-15 2001-11-21 Information transmission system and information transmission method, and, optical space transmission system and optical space transmission method

Country Status (6)

Country Link
US (1) US7116909B2 (de)
EP (1) EP1233549B1 (de)
JP (1) JP2002246965A (de)
KR (1) KR100465585B1 (de)
CN (1) CN1198414C (de)
SG (1) SG100770A1 (de)

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EP1439649A4 (de) * 2001-10-23 2008-03-19 Sony Corp Datenkommunikationssystem, datensender und datenempfänger
KR20030090391A (ko) * 2002-05-23 2003-11-28 주식회사 지오텔 반도체 레이저 광원의 확산을 이용한 광신호의 송수신 장치
US7274876B2 (en) * 2002-06-06 2007-09-25 At&T Corp. Integrated electrical/optical hybrid communication system with revertive hitless switch
US20040028411A1 (en) * 2002-08-07 2004-02-12 Ses-Americom, Incorporated System and method for transmitting high-bandwidth signals over a satellite communications system
US7266310B1 (en) * 2003-04-29 2007-09-04 Nortel Networks Limited Digital compensation for optical transmission system
KR100553421B1 (ko) 2003-06-19 2006-02-20 주식회사 팬택앤큐리텔 무선광전송을 이용한 중계시스템 및 그 방법
JP2005354336A (ja) * 2004-06-10 2005-12-22 Matsushita Electric Ind Co Ltd 信号伝送システムおよび信号伝送方法
JP2006197160A (ja) * 2005-01-13 2006-07-27 Sony Corp 通信システム、送信装置および受信装置
WO2006128250A1 (en) * 2005-06-03 2006-12-07 The Commonwealth Of Australia Photonic link with improved dynamic range
US20080212970A1 (en) * 2007-02-26 2008-09-04 Celight, Inc. Non-line of sight optical communications
WO2010128478A1 (de) * 2009-05-06 2010-11-11 Synopta Gmbh Hybridkommunikationsvorrichtung für eine hochratige datenübertragung zwischen beweglichen und/oder feststehenden plattformen
US9048950B2 (en) * 2010-07-07 2015-06-02 LGS Innovations LLC Multiple-input method and apparatus of free-space optical communication
WO2012144108A1 (ja) * 2011-04-21 2012-10-26 日本電気株式会社 光受信方法および光受信機
EP2704364A1 (de) * 2012-09-04 2014-03-05 Alcatel Lucent Optisches Kommunikationsverfahren zur Übertragung eines Informationssignals
JP2014103488A (ja) * 2012-11-19 2014-06-05 Sony Corp 通信装置およびプログラム
US20140293393A1 (en) 2013-03-28 2014-10-02 Barthelemy Fondeur Flat-top tunable filter
CN103281124A (zh) * 2013-06-09 2013-09-04 陈思源 基于光通信的电信号处理方法
CN103338076A (zh) * 2013-06-09 2013-10-02 陈思源 光通信系统的光信号发射装置
DE102015221283B4 (de) * 2015-10-30 2017-09-14 Deutsches Zentrum für Luft- und Raumfahrt e.V. Sender für ein optisches Freistrahl-Kommunikations-System und zugehöriges Empfängerterminal
WO2017087689A1 (en) 2015-11-17 2017-05-26 Elliptic Works LLC Pool data collection and control system
JP7266994B2 (ja) * 2018-11-13 2023-05-01 電気興業株式会社 可視光通信システム
EP3664301B1 (de) * 2018-12-06 2021-08-18 The Swatch Group Research and Development Ltd Sender/empfänger, der einen elektronischen chip umfasst
CN116134756A (zh) 2020-08-04 2023-05-16 三菱电机株式会社 信号处理装置、信号处理方法、接收器以及光通信系统
KR102262762B1 (ko) 2020-12-28 2021-06-09 (주)컨텍 Rf-fso 연계 방법 및 이를 수행하는 지상국 시스템

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JPH11220441A (ja) * 1998-02-03 1999-08-10 Nippon Telegr & Teleph Corp <Ntt> 光無線システム
JP2000357997A (ja) * 1999-06-17 2000-12-26 Sony Corp 光無線装置

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JP2846860B2 (ja) 1996-10-01 1999-01-13 ユニデン株式会社 スペクトル拡散通信方式を用いた送信機、受信機、通信システム及び通信方法
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JP3724215B2 (ja) * 1997-11-10 2005-12-07 富士ゼロックス株式会社 光信号伝送装置および信号処理装置
KR100256689B1 (ko) * 1997-12-24 2000-05-15 이계철 분기 결합용 광전송 장치
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KR200180276Y1 (ko) 1999-11-09 2000-05-01 가람정보통신주식회사 레이저 및 마이크로파 복합전송장치
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US6763195B1 (en) * 2000-01-13 2004-07-13 Lightpointe Communications, Inc. Hybrid wireless optical and radio frequency communication link

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404572A (en) * 1990-07-18 1995-04-04 Nec Corporation Radio communication apparatus which can be tested by radio and optical test signals
JPH11220441A (ja) * 1998-02-03 1999-08-10 Nippon Telegr & Teleph Corp <Ntt> 光無線システム
JP2000357997A (ja) * 1999-06-17 2000-12-26 Sony Corp 光無線装置

Also Published As

Publication number Publication date
US7116909B2 (en) 2006-10-03
CN1371185A (zh) 2002-09-25
CN1198414C (zh) 2005-04-20
EP1233549A2 (de) 2002-08-21
US20020109885A1 (en) 2002-08-15
KR100465585B1 (ko) 2005-01-13
EP1233549A3 (de) 2006-03-15
KR20020067413A (ko) 2002-08-22
JP2002246965A (ja) 2002-08-30
EP1233549B1 (de) 2018-05-09

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