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NO965422D0 - System for koding/dekoding som utnytter 16-QAM-modulasjon kodet i flernivåblokker - Google Patents

System for koding/dekoding som utnytter 16-QAM-modulasjon kodet i flernivåblokker

Info

Publication number
NO965422D0
NO965422D0 NO965422A NO965422A NO965422D0 NO 965422 D0 NO965422 D0 NO 965422D0 NO 965422 A NO965422 A NO 965422A NO 965422 A NO965422 A NO 965422A NO 965422 D0 NO965422 D0 NO 965422D0
Authority
NO
Norway
Prior art keywords
encoding
system utilizing
decoding system
qam modulation
level blocks
Prior art date
Application number
NO965422A
Other languages
English (en)
Other versions
NO965422L (no
Inventor
Juing Fang
Jean Francois Houplain
Pierre Roux
Original Assignee
Alcatel Telspace
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 Alcatel Telspace filed Critical Alcatel Telspace
Publication of NO965422D0 publication Critical patent/NO965422D0/no
Publication of NO965422L publication Critical patent/NO965422L/no

Links

Classifications

    • 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
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H03M13/251—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with block coding
    • 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
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NO965422A 1995-12-19 1996-12-17 System for koding/dekoding som utnytter 16-QAM-modulasjon kodet i flernivåblokker NO965422L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9515053A FR2742611B1 (fr) 1995-12-19 1995-12-19 Systeme de codage/decodage utilisant la modulation maq-16 codee en blocs a multiniveaux

Publications (2)

Publication Number Publication Date
NO965422D0 true NO965422D0 (no) 1996-12-17
NO965422L NO965422L (no) 1997-06-20

Family

ID=9485647

Family Applications (1)

Application Number Title Priority Date Filing Date
NO965422A NO965422L (no) 1995-12-19 1996-12-17 System for koding/dekoding som utnytter 16-QAM-modulasjon kodet i flernivåblokker

Country Status (5)

Country Link
US (1) US6195396B1 (no)
EP (1) EP0780987A1 (no)
CA (1) CA2193404A1 (no)
FR (1) FR2742611B1 (no)
NO (1) NO965422L (no)

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US6404755B1 (en) * 1996-11-07 2002-06-11 Harris Broadband Wireless Access, Inc. Multi-level information mapping system and method
CN1229554A (zh) * 1997-06-13 1999-09-22 朗迅科技公司 多级时间分集式编码
JP3779092B2 (ja) * 1999-05-12 2006-05-24 松下電器産業株式会社 送受信装置
US6654431B1 (en) * 1999-09-15 2003-11-25 Telcordia Technologies, Inc. Multicarrier personal access communication system
US6567477B1 (en) * 2000-03-14 2003-05-20 Lockheed Martin Corporation Two-dimensional constellation generation, pruning, and partial gray coding for bandwidth and power efficiency
US6934344B2 (en) * 2000-03-27 2005-08-23 Interdigital Technology Corporation Digital automatic gain control
US7116710B1 (en) * 2000-05-18 2006-10-03 California Institute Of Technology Serial concatenation of interleaved convolutional codes forming turbo-like codes
US6952458B1 (en) * 2000-10-02 2005-10-04 Globespanvirata, Inc. Demapping system and method
FR2819654B1 (fr) * 2001-01-15 2003-04-11 Cit Alcatel Procede pour la transmission et la reception de signaux numeriques modules en phase a quatre etats
FR2819655A1 (fr) * 2001-01-15 2002-07-19 Cit Alcatel Procede pour la transmission et la reception de signaux numeriques modules en phase et en amplitude a seize etats
CN100336330C (zh) * 2003-01-27 2007-09-05 西南交通大学 基于均匀与非均匀调制星座图的混合自动重传请求方法
WO2006117014A1 (en) 2005-05-04 2006-11-09 Matsushita Electric Industrial Co., Ltd. Data transmissions in a mobile communication system employing diversity and constellation rearrangement of a 16 qam scheme
CN101218773B (zh) * 2005-05-04 2012-08-29 松下电器产业株式会社 用于16正交幅度调制方案的信号空间扩展方法和装置
CN102148796B (zh) * 2005-05-04 2012-07-25 松下电器产业株式会社 使用16-qam星座发送和接收数据比特流的方法、发送装置及接收装置
CN101213808B (zh) 2005-06-29 2012-12-05 松下电器产业株式会社 用于根据不同的码元映射方案而使用利用码元映射方案的码元映射器来生成调制码元的方法、以及用于生成码元映射方案的方法
US7957482B2 (en) * 2005-07-26 2011-06-07 Panasonic Corporation Bit-operated rearrangement diversity for AICO mapping
TWI309118B (en) * 2005-11-15 2009-04-21 Realtek Semiconductor Corp Demapper applied to quadrature amplitude modulation trellis coded modulation decoder and related method
US7814398B2 (en) * 2006-06-09 2010-10-12 Seagate Technology Llc Communication channel with Reed-Solomon encoding and single parity check
US8448054B2 (en) * 2009-04-09 2013-05-21 Eric Morgan Dowling Signal mapper for reducing error coefficient
CN102148797B (zh) * 2010-02-08 2014-02-12 上海贝尔股份有限公司 合并的多数据流的传输技术
US9240853B2 (en) * 2012-11-16 2016-01-19 Huawei Technologies Co., Ltd. Systems and methods for sparse code multiple access
US8924823B2 (en) 2013-03-15 2014-12-30 Tyco Electronics Subsea Communications Llc System and method for cycle slip correction
US9337935B2 (en) 2013-09-08 2016-05-10 Tyco Electronics Subsea Communications Llc Coded modulation for small step-size variable spectral efficiency
US9407398B2 (en) 2013-09-08 2016-08-02 Tyco Electronics Subsea Communications Llc System and method using cascaded single partity check coding
US9336079B2 (en) * 2013-12-11 2016-05-10 Tyco Electronics Subsea Communications Llc System and method for cycle slip correction
GB2525956B (en) 2014-05-07 2016-08-24 Cisco Tech Inc Rate adaptive turbo forward error correction
TWI684345B (zh) * 2016-11-04 2020-02-01 美商新思科技股份有限公司 用於信號轉換最小化的相移編碼之裝置與方法

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NZ198844A (en) * 1980-11-14 1984-05-31 Plessey Overseas Digital information transmission: two dimensional code
US4660214A (en) * 1985-08-01 1987-04-21 Infinet, Inc. QANI Trellis-coded signal structure
JPH07114419B2 (ja) * 1989-04-12 1995-12-06 株式会社東芝 Ｑａｍ通信システム
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US5233630A (en) * 1991-05-03 1993-08-03 Qualcomm Incorporated Method and apparatus for resolving phase ambiguities in trellis coded modulated data
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US5396518A (en) * 1993-05-05 1995-03-07 Gi Corporation Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes

Also Published As

Publication number Publication date
NO965422L (no) 1997-06-20
CA2193404A1 (fr) 1997-06-20
FR2742611B1 (fr) 1998-01-16
FR2742611A1 (fr) 1997-06-20
EP0780987A1 (fr) 1997-06-25
US6195396B1 (en) 2001-02-27

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