ZA975952B - Satellite communications system utilizing parallel concatenated coding. - Google Patents

Satellite communications system utilizing parallel concatenated coding.

Info

Publication number
ZA975952B
ZA975952B ZA9705952A ZA975952A ZA975952B ZA 975952 B ZA975952 B ZA 975952B ZA 9705952 A ZA9705952 A ZA 9705952A ZA 975952 A ZA975952 A ZA 975952A ZA 975952 B ZA975952 B ZA 975952B
Authority
ZA
South Africa
Prior art keywords
communications system
system utilizing
satellite communications
parallel concatenated
concatenated coding
Prior art date
Application number
ZA9705952A
Other languages
English (en)
Inventor
Stephen Michael Hladik
William Allan Check
Brian James Glinsman
Robert Fleming Fleming Iii
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of ZA975952B publication Critical patent/ZA975952B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18528—Satellite systems for providing two-way communications service to a network of fixed stations, i.e. fixed satellite service or very small aperture terminal [VSAT] system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H03M13/2996—Tail biting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
    • H04B7/1858—Arrangements for data transmission on the physical system, i.e. for data bit transmission between network components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H03M13/296—Particular turbo code structure
    • H03M13/2966—Turbo codes concatenated with another code, e.g. an outer block code

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Radio Relay Systems (AREA)
ZA9705952A 1996-07-17 1997-07-03 Satellite communications system utilizing parallel concatenated coding. ZA975952B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/684,276 US5734962A (en) 1996-07-17 1996-07-17 Satellite communications system utilizing parallel concatenated coding

Publications (1)

Publication Number Publication Date
ZA975952B true ZA975952B (en) 1998-01-30

Family

ID=24747407

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9705952A ZA975952B (en) 1996-07-17 1997-07-03 Satellite communications system utilizing parallel concatenated coding.

Country Status (21)

Country Link
US (1) US5734962A (zh)
EP (1) EP0820159B1 (zh)
JP (1) JP3833783B2 (zh)
KR (1) KR100496232B1 (zh)
CN (1) CN1113486C (zh)
AR (1) AR008403A1 (zh)
AU (1) AU718266B2 (zh)
BR (1) BR9704012A (zh)
CA (1) CA2208413C (zh)
CZ (1) CZ290425B6 (zh)
DE (1) DE69735979T2 (zh)
ES (1) ES2264153T3 (zh)
HU (1) HUP9701215A3 (zh)
ID (1) ID17541A (zh)
IL (1) IL121232A (zh)
MX (1) MX9705401A (zh)
NO (1) NO320121B1 (zh)
PL (1) PL184615B1 (zh)
RU (1) RU2191471C2 (zh)
UA (1) UA44752C2 (zh)
ZA (1) ZA975952B (zh)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6023783A (en) * 1996-05-15 2000-02-08 California Institute Of Technology Hybrid concatenated codes and iterative decoding
US6189123B1 (en) * 1997-03-26 2001-02-13 Telefonaktiebolaget Lm Ericsson Method and apparatus for communicating a block of digital information between a sending and a receiving station
US5983384A (en) * 1997-04-21 1999-11-09 General Electric Company Turbo-coding with staged data transmission and processing
EP0935363A4 (en) * 1997-06-19 2005-09-07 Toshiba Kk TRANSMISSION SYSTEM WITH INFORMATION MULTIPLEXING, MULTIPLEXER AND DEMULTIPLEXER USED FOR THE SAME, AND ENCODER AND DECODER FOR ERROR CORRECTION
KR19990003242A (ko) 1997-06-25 1999-01-15 윤종용 구조적 펀처드 길쌈부호 부호와 및 복호기
KR100387078B1 (ko) * 1997-07-30 2003-10-22 삼성전자주식회사 대역확산통신시스템의심볼천공및복구장치및방법
US6192503B1 (en) * 1997-08-14 2001-02-20 Ericsson Inc. Communications system and methods employing selective recursive decording
JP4033245B2 (ja) * 1997-09-02 2008-01-16 ソニー株式会社 ターボ符号化装置およびターボ符号化方法
US6031874A (en) * 1997-09-26 2000-02-29 Ericsson Inc. Unequal error protection in coded modulation schemes
US6157642A (en) * 1997-10-14 2000-12-05 Teledesic Llc Coding system and method for low-earth orbit satellite data communication
US6000054A (en) * 1997-11-03 1999-12-07 Motorola, Inc. Method and apparatus for encoding and decoding binary information using restricted coded modulation and parallel concatenated convolution codes
US6643331B1 (en) * 1997-12-24 2003-11-04 Inmarsat Ltd. Coding method and apparatus
US6263466B1 (en) 1998-03-05 2001-07-17 Teledesic Llc System and method of separately coding the header and payload of a data packet for use in satellite data communication
CA2234006C (en) * 1998-04-06 2004-10-19 Wen Tong Encoding and decoding methods and apparatus
FR2778040B1 (fr) * 1998-04-28 2000-05-26 Alsthom Cge Alcatel Procede et dispositif de codage correcteur d'erreur pour des transmissions de donnees numeriques a debit eleve, et procede et dispositif de decodage correspondant
US6324159B1 (en) * 1998-05-06 2001-11-27 Sirius Communications N.V. Method and apparatus for code division multiple access communication with increased capacity through self-noise reduction
US6510536B1 (en) * 1998-06-01 2003-01-21 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Reduced-complexity max-log-APP decoders and related turbo decoders
AU4981499A (en) * 1998-07-09 2000-02-01 Act Wireless Satellite network terminal
EP1101313A1 (en) * 1998-07-30 2001-05-23 Vocal Technologies, Ltd Forward error correcting system with encoders configured in parallel and/or series
US6043788A (en) * 1998-07-31 2000-03-28 Seavey; John M. Low earth orbit earth station antenna
JP2000068862A (ja) 1998-08-19 2000-03-03 Fujitsu Ltd 誤り訂正符号化装置
JP2000068863A (ja) 1998-08-19 2000-03-03 Fujitsu Ltd 符号化装置及びその方法
US6263467B1 (en) 1998-08-20 2001-07-17 General Electric Company Turbo code decoder with modified systematic symbol transition probabilities
US6192501B1 (en) 1998-08-20 2001-02-20 General Electric Company High data rate maximum a posteriori decoder for segmented trellis code words
US6128765A (en) * 1998-08-20 2000-10-03 General Electric Company Maximum A posterior estimator with fast sigma calculator
US6223319B1 (en) 1998-08-20 2001-04-24 General Electric Company Turbo code decoder with controlled probability estimate feedback
KR100377939B1 (ko) * 1998-09-01 2003-06-12 삼성전자주식회사 이동통신시스템에서서브프레임전송을위한프레임구성장치및방법
US6279132B1 (en) * 1998-09-28 2001-08-21 Trw Inc. Concatenated error control method and system for a processing satellite uplink
US6292918B1 (en) * 1998-11-05 2001-09-18 Qualcomm Incorporated Efficient iterative decoding
CN1700657A (zh) 1998-11-24 2005-11-23 尼克桑公司 用于采集和分析通信数据的装置及方法
US6247158B1 (en) * 1998-11-30 2001-06-12 Itt Manufacturing Enterprises, Inc. Digital broadcasting system and method
US6175940B1 (en) * 1998-12-03 2001-01-16 Trw Inc. In-flight programmable spacecraft error correction encoder
US6233709B1 (en) 1998-12-07 2001-05-15 Nokia Mobile Phones Ltd. Dynamic iterative decoding for balancing quality of service parameters
US6374382B1 (en) * 1998-12-15 2002-04-16 Hughes Electronics Corporation Short block code for concatenated coding system
US6584102B1 (en) * 1998-12-21 2003-06-24 At&T Corp. Communication network apparatus and method
US6484283B2 (en) * 1998-12-30 2002-11-19 International Business Machines Corporation Method and apparatus for encoding and decoding a turbo code in an integrated modem system
EP1017176B1 (en) * 1998-12-30 2011-02-16 Canon Kabushiki Kaisha Coding device and method, decoding device and method and systems using them
KR100315708B1 (ko) * 1998-12-31 2002-02-28 윤종용 이동통신시스템에서터보인코더의펑처링장치및방법
KR100321978B1 (ko) 1998-12-31 2002-07-02 윤종용 통신시스템에서반복복호장치및방법
KR100653011B1 (ko) * 1999-01-12 2006-11-30 소니 가부시끼 가이샤 신호 처리장치 및 신호 처리방법
US6947500B1 (en) * 1999-01-29 2005-09-20 Northrop Grumman Corporation Buffering and sequencing of soft decisions of multiple channels into a single shared biorthogonal decoder
FR2789824B1 (fr) 1999-02-12 2001-05-11 Canon Kk Procede de correction d'erreurs residuelles a la sortie d'un turbo-decodeur
US6304996B1 (en) * 1999-03-08 2001-10-16 General Electric Company High-speed turbo decoder
US20020196843A1 (en) * 1999-03-23 2002-12-26 Itzik Ben-Bassat Satellite communication card
FR2792476B1 (fr) * 1999-04-13 2001-06-08 Canon Kk Procede de type arq pour procede de transmission utilisant des turbo-codes, et dispositif associe
US6594792B1 (en) 1999-04-30 2003-07-15 General Electric Company Modular turbo decoder for expanded code word length
US6715120B1 (en) 1999-04-30 2004-03-30 General Electric Company Turbo decoder with modified input for increased code word length and data rate
US7372888B1 (en) 1999-05-10 2008-05-13 Agilent Technologies Inc. Method and apparatus for software reconfigurable communication transmission/reception and navigation signal reception
EP1175734A1 (en) * 1999-05-10 2002-01-30 Sirius Communications N.V. Method and apparatus for high-speed software reconfigurable code division multiple access communication
DE19924211A1 (de) * 1999-05-27 2000-12-21 Siemens Ag Verfahren und Vorrichtung zur flexiblen Kanalkodierung
US7327779B1 (en) 1999-07-23 2008-02-05 Agilent Technologies, Inc. Method and apparatus for high-speed software reconfigurable code division multiple access communication
US6466569B1 (en) * 1999-09-29 2002-10-15 Trw Inc. Uplink transmission and reception techniques for a processing satelliteation satellite
DE19946721A1 (de) * 1999-09-29 2001-05-03 Siemens Ag Verfahren und Vorrichtung zur Kanalkodierung in einem Nachrichtenübertragungssystem
EP1098451A3 (en) * 1999-11-02 2003-02-19 Sirius Communications N.V. Non-synchronous access scheme using CDMA and turbo coding
US6400290B1 (en) 1999-11-29 2002-06-04 Altera Corporation Normalization implementation for a logmap decoder
AU4515801A (en) * 1999-12-03 2001-06-18 Broadcom Corporation Viterbi slicer for turbo codes
WO2001043310A2 (en) 1999-12-03 2001-06-14 Broadcom Corporation Embedded training sequences for carrier acquisition and tracking
JP3587110B2 (ja) * 1999-12-07 2004-11-10 日本電気株式会社 Ｖｓａｔ局
US20020080885A1 (en) * 1999-12-08 2002-06-27 Digital Cinema Systems Corporation Combined turbo coding and trellis coded modulation
FR2804260B1 (fr) * 2000-01-21 2002-10-18 Mitsubishi Electric Inf Tech Procede de transmission numerique de type a codage correcteur d'erreurs
US6606724B1 (en) * 2000-01-28 2003-08-12 Conexant Systems, Inc. Method and apparatus for decoding of a serially concatenated block and convolutional code
US6810502B2 (en) 2000-01-28 2004-10-26 Conexant Systems, Inc. Iteractive decoder employing multiple external code error checks to lower the error floor
US6516437B1 (en) 2000-03-07 2003-02-04 General Electric Company Turbo decoder control for use with a programmable interleaver, variable block length, and multiple code rates
GB2360858B (en) * 2000-03-20 2004-08-18 Motorola Inc High-speed maximum a posteriori (MAP) architecture with optimized memory size and power consumption
US6606725B1 (en) 2000-04-25 2003-08-12 Mitsubishi Electric Research Laboratories, Inc. MAP decoding for turbo codes by parallel matrix processing
EP1297440B1 (en) 2000-05-12 2008-08-27 Niksun, Inc. Security camera for a network
US6542559B1 (en) * 2000-05-15 2003-04-01 Qualcomm, Incorporated Decoding method and apparatus
US6738942B1 (en) * 2000-06-02 2004-05-18 Vitesse Semiconductor Corporation Product code based forward error correction system
US7254190B2 (en) * 2000-09-01 2007-08-07 Broadcom Corporation Satellite receiver
US7421044B2 (en) * 2000-09-05 2008-09-02 Broadcom Corporation Quasi error free (QEF) communication using turbo codes
US7242726B2 (en) * 2000-09-12 2007-07-10 Broadcom Corporation Parallel concatenated code with soft-in soft-out interactive turbo decoder
US20020058477A1 (en) * 2000-09-28 2002-05-16 Chapelle Michael De La Return link design for PSD limited mobile satellite communication systems
US7054593B2 (en) 2000-09-28 2006-05-30 The Boeing Company Return link design for PSD limited mobile satellite communication systems
US6604220B1 (en) * 2000-09-28 2003-08-05 Western Digital Technologies, Inc. Disk drive comprising a multiple-input sequence detector selectively biased by bits of a decoded ECC codedword
US6518892B2 (en) 2000-11-06 2003-02-11 Broadcom Corporation Stopping criteria for iterative decoding
US7072971B2 (en) 2000-11-13 2006-07-04 Digital Foundation, Inc. Scheduling of multiple files for serving on a server
WO2002054601A1 (en) 2000-12-29 2002-07-11 Morphics Technology, Inc. Channel codec processor configurable for multiple wireless communications standards
US6990624B2 (en) * 2001-10-12 2006-01-24 Agere Systems Inc. High speed syndrome-based FEC encoder and decoder and system using same
JP2003203435A (ja) * 2002-01-09 2003-07-18 Fujitsu Ltd データ再生装置
JP3735579B2 (ja) * 2002-02-26 2006-01-18 株式会社東芝 ディスク記憶装置及びデータ記録再生方法
US7177658B2 (en) 2002-05-06 2007-02-13 Qualcomm, Incorporated Multi-media broadcast and multicast service (MBMS) in a wireless communications system
JP3898574B2 (ja) * 2002-06-05 2007-03-28 富士通株式会社 ターボ復号方法及びターボ復号装置
US7020109B2 (en) * 2002-08-21 2006-03-28 Qualcomm Incorporated Method and system for communicating content on a broadcast services communication system
US7016327B2 (en) * 2002-08-21 2006-03-21 Qualcomm Incorporated Method and system for communicating content on a broadcast services communication system
US7346833B2 (en) * 2002-11-05 2008-03-18 Analog Devices, Inc. Reduced complexity turbo decoding scheme
CA2989660C (en) * 2003-05-01 2020-12-15 Atc Technologies, Llc Aggregate radiated power control for multi-band/multi-mode satellite radiotelephone communications systems and methods
US8694869B2 (en) 2003-08-21 2014-04-08 QUALCIMM Incorporated Methods for forward error correction coding above a radio link control layer and related apparatus
US8804761B2 (en) * 2003-08-21 2014-08-12 Qualcomm Incorporated Methods for seamless delivery of broadcast and multicast content across cell borders and/or between different transmission schemes and related apparatus
US7318187B2 (en) * 2003-08-21 2008-01-08 Qualcomm Incorporated Outer coding methods for broadcast/multicast content and related apparatus
FR2880219B1 (fr) * 2004-12-23 2007-02-23 Thales Sa Procede et systeme de radiocommunication numerique, notamment pour les stations sol mobiles
US7970345B2 (en) * 2005-06-22 2011-06-28 Atc Technologies, Llc Systems and methods of waveform and/or information splitting for wireless transmission of information to one or more radioterminals over a plurality of transmission paths and/or system elements
US7343539B2 (en) * 2005-06-24 2008-03-11 The United States Of America As Represented By The United States National Aeronautics And Space Administration ARA type protograph codes
US7499490B2 (en) * 2005-06-24 2009-03-03 California Institute Of Technology Encoders for block-circulant LDPC codes
US20070011557A1 (en) * 2005-07-07 2007-01-11 Highdimension Ltd. Inter-sequence permutation turbo code system and operation methods thereof
US7797615B2 (en) * 2005-07-07 2010-09-14 Acer Incorporated Utilizing variable-length inputs in an inter-sequence permutation turbo code system
US7856579B2 (en) * 2006-04-28 2010-12-21 Industrial Technology Research Institute Network for permutation or de-permutation utilized by channel coding algorithm
KR100740209B1 (ko) * 2005-10-21 2007-07-18 삼성전자주식회사 디지털 방송 수신 시스템 및 그 신호 처리 방법
US7831894B2 (en) * 2006-10-10 2010-11-09 Broadcom Corporation Address generation for contention-free memory mappings of turbo codes with ARP (almost regular permutation) interleaves
US7827473B2 (en) * 2006-10-10 2010-11-02 Broadcom Corporation Turbo decoder employing ARP (almost regular permutation) interleave and arbitrary number of decoding processors
US8117523B2 (en) * 2007-05-23 2012-02-14 California Institute Of Technology Rate-compatible protograph LDPC code families with linear minimum distance
GB0712376D0 (en) * 2007-06-26 2007-08-01 Nxp Bv Processing of satellite navigation system signals
US8719670B1 (en) * 2008-05-07 2014-05-06 Sk Hynix Memory Solutions Inc. Coding architecture for multi-level NAND flash memory with stuck cells
US8035537B2 (en) 2008-06-13 2011-10-11 Lsi Corporation Methods and apparatus for programmable decoding of a plurality of code types
CN101803205B (zh) * 2008-08-15 2013-12-18 Lsi公司 近码字的ram列表解码
US8254304B2 (en) 2008-12-14 2012-08-28 Qualcomm Incorporated Channel capacity adaptive repeater
US10022468B2 (en) * 2009-02-02 2018-07-17 Kimberly-Clark Worldwide, Inc. Absorbent articles containing a multifunctional gel
US8484535B2 (en) 2009-04-21 2013-07-09 Agere Systems Llc Error-floor mitigation of codes using write verification
US8924811B1 (en) * 2010-01-12 2014-12-30 Lockheed Martin Corporation Fast, efficient architectures for inner and outer decoders for serial concatenated convolutional codes
CN102195760A (zh) * 2010-03-16 2011-09-21 松下电器产业株式会社 无线通信系统、基站、终端及码本生成方法
US8464142B2 (en) 2010-04-23 2013-06-11 Lsi Corporation Error-correction decoder employing extrinsic message averaging
US8499226B2 (en) * 2010-06-29 2013-07-30 Lsi Corporation Multi-mode layered decoding
US8458555B2 (en) 2010-06-30 2013-06-04 Lsi Corporation Breaking trapping sets using targeted bit adjustment
US8504900B2 (en) 2010-07-02 2013-08-06 Lsi Corporation On-line discovery and filtering of trapping sets
US9116826B2 (en) * 2010-09-10 2015-08-25 Trellis Phase Communications, Lp Encoding and decoding using constrained interleaving
US8737925B2 (en) * 2011-03-10 2014-05-27 Comtech Ef Data Corp. Method for the control of a wireless communications link for mitigating adjacent satellite interference
US9184958B2 (en) 2011-11-07 2015-11-10 Blackberry Limited System and method of encoding and transmitting codewords
WO2013070189A1 (en) * 2011-11-07 2013-05-16 Research In Motion Limited System and method of encoding and transmitting codewords
US8768990B2 (en) 2011-11-11 2014-07-01 Lsi Corporation Reconfigurable cyclic shifter arrangement
US9047203B1 (en) * 2011-12-21 2015-06-02 Altera Corporation Systems and methods for encoding and decoding data
RU2012146685A (ru) 2012-11-01 2014-05-10 ЭлЭсАй Корпорейшн База данных наборов-ловушек для декодера на основе разреженного контроля четности
CN105262558B (zh) * 2014-06-26 2019-07-09 深圳市中兴微电子技术有限公司 一种多级编码装置及其实现方法
US10320481B2 (en) * 2016-07-13 2019-06-11 Space Systems/Loral, Llc Flexible high throughput satellite system using optical gateways
EP3542469A4 (en) * 2016-11-17 2020-07-08 Satixfy Israel Ltd. METHOD AND SYSTEM FOR SATELLITE COMMUNICATION
US10944432B2 (en) * 2018-09-18 2021-03-09 Avago Technologies International Sales Pte. Limited Methods and systems for transcoder, FEC and interleaver optimization
CN109450534B (zh) * 2018-09-29 2021-05-25 吉林大学 基于图像传感器的可见光无线局域网
CN110278055B (zh) * 2019-06-03 2021-11-23 京信网络系统股份有限公司 咬尾卷积编码处理方法、装置和通信设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032886A (en) * 1975-12-01 1977-06-28 Motorola, Inc. Concatenation technique for burst-error correction and synchronization
USRE32905F1 (en) * 1980-10-20 1992-11-10 Satellite communications system and apparatus
JPH01106639A (ja) * 1987-10-20 1989-04-24 Nec Corp 衛星通信地球局用送受装置
JP2702303B2 (ja) * 1991-03-20 1998-01-21 日本電気株式会社 データ通信方式
FR2675971B1 (fr) * 1991-04-23 1993-08-06 France Telecom Procede de codage correcteur d'erreurs a au moins deux codages convolutifs systematiques en parallele, procede de decodage iteratif, module de decodage et decodeur correspondants.
US5416804A (en) * 1991-08-21 1995-05-16 U.S. Philips Corporation Digital signal decoder using concatenated codes
KR100200801B1 (ko) * 1991-08-31 1999-06-15 윤종용 오류정정장치
US5511079A (en) * 1993-05-26 1996-04-23 Hughes Aircraft Company Apparatus and method for controlling forward error correction encoding in a very small aperture terminal
US5625624A (en) * 1993-10-21 1997-04-29 Hughes Aircraft Company High data rate satellite communication system
KR960015852B1 (ko) * 1993-12-27 1996-11-22 현대전자산업 주식회사 피트 신호 추출에 의한 초소형 단말 지구국 동기 검출방법
KR950022253A (ko) * 1993-12-29 1995-07-28 정장호 위성통신 시스템의 초소형 지구국(vsat)및 데이타 전송방법
KR960014677B1 (ko) * 1993-12-29 1996-10-19 양승택 위성통신용 저속 데이타 전용 지구국(vsat)의 링크설계방법

Also Published As

Publication number Publication date
IL121232A (en) 2000-07-16
HUP9701215A3 (en) 2002-09-30
CA2208413A1 (en) 1998-01-17
CA2208413C (en) 2006-11-14
UA44752C2 (uk) 2002-03-15
PL321011A1 (en) 1998-01-19
AR008403A1 (es) 2000-01-19
BR9704012A (pt) 1998-11-10
EP0820159A3 (en) 2003-07-09
ES2264153T3 (es) 2006-12-16
CN1113486C (zh) 2003-07-02
KR980013022A (ko) 1998-04-30
HU9701215D0 (en) 1997-08-28
JP3833783B2 (ja) 2006-10-18
US5734962A (en) 1998-03-31
CZ219797A3 (cs) 1998-02-18
DE69735979T2 (de) 2007-01-04
NO320121B1 (no) 2005-10-31
PL184615B1 (pl) 2002-11-29
IL121232A0 (en) 1998-01-04
CN1173085A (zh) 1998-02-11
EP0820159A2 (en) 1998-01-21
AU2854497A (en) 1998-01-29
RU2191471C2 (ru) 2002-10-20
KR100496232B1 (ko) 2005-09-30
ID17541A (id) 1998-01-08
DE69735979D1 (de) 2006-07-06
AU718266B2 (en) 2000-04-13
HUP9701215A2 (hu) 1998-03-30
NO973289D0 (no) 1997-07-16
EP0820159B1 (en) 2006-05-31
NO973289L (no) 1998-01-19
MX9705401A (es) 1998-04-30
JPH10135888A (ja) 1998-05-22
CZ290425B6 (cs) 2002-07-17

Similar Documents

Publication Publication Date Title
ZA975952B (en) Satellite communications system utilizing parallel concatenated coding.
ZA983864B (en) Communications system.
GB9614561D0 (en) Communication system with improved code
EP0836775A4 (en) SECURED COMMUNICATION SYSTEM WITH NETWORKED SECRET CODES
IL119832A0 (en) Communications system
GB2314733B (en) Cellular communications system
EP0671721A3 (en) Communication system.
EP0684714A3 (en) Communication system within rooms.
ZA974783B (en) Digital communications.
GB2318482B (en) Communication system
GB9723487D0 (en) Communication systems
GB9621774D0 (en) Digital communications system
GB2314237B (en) Communications system
GB2337667A8 (en) Satellite communication system
GB9612367D0 (en) Digital communications system
GB2357408B (en) Communications system
IL130147A0 (en) Terrestrial communication system
GB2320400B (en) Communications system
GB2314994B (en) Communication systems
GB2337900B (en) Communications system
ZA971479B (en) Communication system.
GB2309106B (en) Text communication systems
GB9626210D0 (en) Communications system
GB9624623D0 (en) Communications system
GB9612898D0 (en) Communications system