CA2357918C - Method and apparatus for communication signal autotracking within a free space optical communication system - Google Patents

Method and apparatus for communication signal autotracking within a free space optical communication system Download PDF

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Publication number
CA2357918C
CA2357918C CA 2357918 CA2357918A CA2357918C CA 2357918 C CA2357918 C CA 2357918C CA 2357918 CA2357918 CA 2357918 CA 2357918 A CA2357918 A CA 2357918A CA 2357918 C CA2357918 C CA 2357918C
Authority
CA
Canada
Prior art keywords
receive
telescope
optical fiber
transmit
dithering
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA 2357918
Other languages
English (en)
French (fr)
Other versions
CA2357918A1 (en
Inventor
Robert G. Ahrens
Herman Melvin Presby
John Anthony Tyson
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CA2357918A1 publication Critical patent/CA2357918A1/en
Application granted granted Critical
Publication of CA2357918C publication Critical patent/CA2357918C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • H04B10/112—Line-of-sight transmission over an extended range
    • H04B10/1121—One-way transmission
    • 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
    • H04B10/118—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum specially adapted for satellite communication

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
CA 2357918 2000-10-05 2001-09-28 Method and apparatus for communication signal autotracking within a free space optical communication system Expired - Fee Related CA2357918C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68081200A 2000-10-05 2000-10-05
US09/680,812 2000-10-05

Publications (2)

Publication Number Publication Date
CA2357918A1 CA2357918A1 (en) 2002-04-05
CA2357918C true CA2357918C (en) 2005-08-09

Family

ID=24732616

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2357918 Expired - Fee Related CA2357918C (en) 2000-10-05 2001-09-28 Method and apparatus for communication signal autotracking within a free space optical communication system

Country Status (5)

Country Link
EP (1) EP1154591B1 (enExample)
JP (1) JP2002185406A (enExample)
CN (1) CN1348264A (enExample)
CA (1) CA2357918C (enExample)
DE (1) DE60100824T2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030034432A1 (en) * 2001-06-29 2003-02-20 Presby Herman Melvin Method and apparatus for the correction of optical signal wave front distortion within a free-space optical communication system
US20030001073A1 (en) * 2001-06-29 2003-01-02 Presby Herman Melvin Method and apparatus for the correction of optical signal wave front distortion within a free-space optical communication system
CN101729142B (zh) * 2009-12-04 2012-06-20 南京大学 一种fso系统中接收功率自动控制的方法
CN101895342B (zh) * 2010-06-24 2013-08-14 西安电子科技大学 用于快速移动自由空间光通信系统的光学智能天线
CN102075243A (zh) * 2010-12-28 2011-05-25 哈尔滨工业大学 激光通信链路光束的误差探测装置及控制方法
CN103227678B (zh) * 2013-03-28 2015-09-23 上海卫星工程研究所 直接利用太阳x射线的空间通信系统
US9729234B2 (en) * 2015-06-22 2017-08-08 The Boeing Company Free space optical communications network with bent pipe channel and pilot channel
US10419793B2 (en) 2015-11-30 2019-09-17 At&T Intellectual Property I, L.P. Method and apparatus for determining obstructions based on satellite receive signals
DE102017127813B4 (de) 2017-11-24 2025-09-18 Tesat-Spacecom Gmbh & Co. Kg Kommunikationsplattform und Kommunikationssystem nebst zugehörigem Verfahren zur Strahlausrichtung in unidirektionalen optischen Kommunikationssystemen
US11888517B2 (en) 2019-04-25 2024-01-30 Sew-Eurodrive Gmbh & Co. Kg Method for a data transmission between a first and a second module and system including mobile parts for carrying out the method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497697A (en) * 1967-11-01 1970-02-24 Hughes Aircraft Co Local oscillator reference tracking system (lorts)
US4960315A (en) * 1989-05-19 1990-10-02 At&T Bell Laboratories Atmosphric optical communication link
US5347387A (en) * 1992-03-24 1994-09-13 Rice Robert C Self-aligning optical transceiver
US6016212A (en) * 1997-04-30 2000-01-18 At&T Corp Optical receiver and demultiplexer for free-space wavelength division multiplexing communications systems

Also Published As

Publication number Publication date
CN1348264A (zh) 2002-05-08
EP1154591A3 (en) 2001-12-12
EP1154591A2 (en) 2001-11-14
EP1154591B1 (en) 2003-09-24
DE60100824D1 (de) 2003-10-30
DE60100824T2 (de) 2004-07-01
CA2357918A1 (en) 2002-04-05
JP2002185406A (ja) 2002-06-28

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