WO2006116723A3 - Spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels - Google Patents

Spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels Download PDF

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Publication number
WO2006116723A3
WO2006116723A3 PCT/US2006/016393 US2006016393W WO2006116723A3 WO 2006116723 A3 WO2006116723 A3 WO 2006116723A3 US 2006016393 W US2006016393 W US 2006016393W WO 2006116723 A3 WO2006116723 A3 WO 2006116723A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical
channel
data
fiber optic
spread
Prior art date
Application number
PCT/US2006/016393
Other languages
French (fr)
Other versions
WO2006116723A2 (en
Inventor
Salam Elahmadi
Siraj Nour Elahmadi
Original Assignee
Menara Networks
Salam Elahmadi
Siraj Nour Elahmadi
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
Priority claimed from US11/117,228 external-priority patent/US7302192B2/en
Application filed by Menara Networks, Salam Elahmadi, Siraj Nour Elahmadi filed Critical Menara Networks
Publication of WO2006116723A2 publication Critical patent/WO2006116723A2/en
Publication of WO2006116723A3 publication Critical patent/WO2006116723A3/en

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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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/25073—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion using spectral equalisation, e.g. spectral filtering
    • 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
    • H04B10/516—Details of coding or modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H04B2210/254—Distortion or dispersion compensation before the transmission line, i.e. pre-compensation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Methods, apparatus, and systems for optical communication channels. A data signal is preconditioned prior to transmission over a fiber optic cable to minimize signal distortion and then transmitted. During reception, the data signal and clock are recovered. A transmitter and transceiver for the optical communication channel may include a data encoder, a partial response (PR) precoder, a pulse filter, and an electrical-to-optical converter to transmit a spread pulse signal over an optical communication channel. The transceiver may further include an optical-to-electrical converter, an automatic gain controller, a matched filter, a PR finite impulse response equalizing filter, a maximum likelihood sequence estimation detector, and a data decoder in order to decode and recover the data. The system includes an optical channel having a channel response, a pulse- shaping transmitter coupled to a first end of the optical channel, and a receiver coupled to a second end of the optical channel.
PCT/US2006/016393 2005-04-28 2006-04-27 Spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels WO2006116723A2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US11/117,228 US7302192B2 (en) 2005-04-28 2005-04-28 Methods of spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels
US11/117,228 2005-04-28
US11/201,235 2005-08-10
US11/201,236 2005-08-10
US11/201,236 US7715731B2 (en) 2005-04-28 2005-08-10 Systems with spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels
US11/201,235 US7286762B2 (en) 2005-04-28 2005-08-10 Apparatus with spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels

Publications (2)

Publication Number Publication Date
WO2006116723A2 WO2006116723A2 (en) 2006-11-02
WO2006116723A3 true WO2006116723A3 (en) 2007-05-18

Family

ID=37215574

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/016393 WO2006116723A2 (en) 2005-04-28 2006-04-27 Spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels

Country Status (1)

Country Link
WO (1) WO2006116723A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9236084B1 (en) 2014-07-17 2016-01-12 International Business Machines Corporation Dynamic gain control for use with adaptive equalizers
US9324364B2 (en) 2014-07-17 2016-04-26 International Business Machines Corporation Constraining FIR filter taps in an adaptive architecture
CN108062055B (en) * 2017-12-29 2023-08-04 陕西海泰电子有限责任公司 PXIe controller remote control system and method based on optical fiber
CN116886195B (en) * 2023-09-07 2023-11-10 中国人民解放军国防科技大学 High-precision long-distance multi-station optical fiber time transmission method based on code division multiple access

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6385255B1 (en) * 1999-08-06 2002-05-07 Calimetrics, Inc. Coding system and method for partial response channels
US20040066856A1 (en) * 2000-12-15 2004-04-08 Enrico Forestieri Line coding scheme for digital communications, transmission method and apparatus
US20040205446A1 (en) * 2003-02-21 2004-10-14 Hiroyuki Yamagishi Decoding apparatus, decoding method, recording/reproducing apparatus, program storage medium, and program

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6385255B1 (en) * 1999-08-06 2002-05-07 Calimetrics, Inc. Coding system and method for partial response channels
US20040066856A1 (en) * 2000-12-15 2004-04-08 Enrico Forestieri Line coding scheme for digital communications, transmission method and apparatus
US20040205446A1 (en) * 2003-02-21 2004-10-14 Hiroyuki Yamagishi Decoding apparatus, decoding method, recording/reproducing apparatus, program storage medium, and program

Also Published As

Publication number Publication date
WO2006116723A2 (en) 2006-11-02

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