DK0577672T3 - TCM skema med fraktions bit-hastigheder, rammesignaler og konstellationsformning - Google Patents

TCM skema med fraktions bit-hastigheder, rammesignaler og konstellationsformning

Info

Publication number
DK0577672T3
DK0577672T3 DK92907333T DK92907333T DK0577672T3 DK 0577672 T3 DK0577672 T3 DK 0577672T3 DK 92907333 T DK92907333 T DK 92907333T DK 92907333 T DK92907333 T DK 92907333T DK 0577672 T3 DK0577672 T3 DK 0577672T3
Authority
DK
Denmark
Prior art keywords
bit rates
frame signals
constellation formation
fraction bit
tcm scheme
Prior art date
Application number
DK92907333T
Other languages
Danish (da)
English (en)
Inventor
Richard Guy Carringto Williams
John David Brownlie
Original Assignee
British Telecomm
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 GB919106658A external-priority patent/GB9106658D0/en
Priority claimed from GB919109006A external-priority patent/GB9109006D0/en
Priority claimed from GB919112316A external-priority patent/GB9112316D0/en
Application filed by British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of DK0577672T3 publication Critical patent/DK0577672T3/da

Links

Classifications

    • 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
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
    • H04L27/3477—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel by using the outer points of the constellation or of the constituent two-dimensional constellations
    • 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
    • H04L27/3411—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set
    • 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
    • H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
DK92907333T 1991-03-28 1992-03-27 TCM skema med fraktions bit-hastigheder, rammesignaler og konstellationsformning DK0577672T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB919106658A GB9106658D0 (en) 1991-03-28 1991-03-28 Data transmission
GB919109006A GB9109006D0 (en) 1991-04-26 1991-04-26 Data transmission
GB919112316A GB9112316D0 (en) 1991-06-07 1991-06-07 Data transmission
PCT/GB1992/000562 WO1992017971A1 (en) 1991-03-28 1992-03-27 Tcm scheme with fractional bit rates, framing signals and constellation shaping

Publications (1)

Publication Number Publication Date
DK0577672T3 true DK0577672T3 (da) 1999-04-26

Family

ID=27265575

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92907333T DK0577672T3 (da) 1991-03-28 1992-03-27 TCM skema med fraktions bit-hastigheder, rammesignaler og konstellationsformning

Country Status (8)

Country Link
US (1) US5493586A (de)
EP (2) EP0836305B1 (de)
JP (1) JP3253958B2 (de)
CA (1) CA2106844C (de)
DE (2) DE69233373T2 (de)
DK (1) DK0577672T3 (de)
HK (1) HK1013548A1 (de)
WO (1) WO1992017971A1 (de)

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US5185763A (en) * 1991-04-09 1993-02-09 Racal-Datacom, Inc. Data bit to constellation symbol mapper
IT1259012B (it) * 1992-07-27 1996-03-11 Alcatel Italia Metodo e circuiti per la riduzione della potenza di picco del segnale filtrato trasmesso in un collegamento di tipo numerico
US5508748A (en) * 1993-02-08 1996-04-16 Zenith Electronics Corporation Data level selection for multilevel VSB transmission system
US5475713A (en) * 1993-06-14 1995-12-12 At&T Corp. Shaped signal spaces in a simultaneous voice and data system
US5684834A (en) * 1993-06-14 1997-11-04 Paradyne Corporation Simultaneous analog and digital communication using fractional rate encoding
US5521942A (en) * 1993-06-14 1996-05-28 At&T Corp. Method for increasing the dynamic range of a signal in a simultaneous voice and data system by the use of overlapping signal point regions and trellis coding
US5598435A (en) * 1993-12-23 1997-01-28 British Telecommunications Public Limited Company Digital modulation using QAM with multiple signal point constellations not equal to a power of two
IT1273695B (it) * 1994-07-28 1997-07-09 Alcatel Italia Metodo e circuiti per la trasmissione e la ricezione di segnali numerici nel quale si riduce la potenza di picco del segnale filtrato trasmesso compatibili con tecniche di codifica note
US5774500A (en) * 1995-12-08 1998-06-30 Board Of Trustees, The Leland Stanford Jr., University Multi-channel trellis shaper
US5878098A (en) * 1996-06-27 1999-03-02 Motorola, Inc. Method and apparatus for rate determination in a communication system
US5953376A (en) * 1996-09-26 1999-09-14 Lucent Technologies Inc. Probabilistic trellis coded modulation with PCM-derived constellations
US5862184A (en) * 1997-02-14 1999-01-19 General Datacomm, Inc. Mapper for high data rate transmission through channels subject to robbed bit signalling
US5822371A (en) * 1997-02-14 1998-10-13 General Datacomm Inc. Mapper for high data rate signalling
US5862179A (en) * 1997-02-14 1999-01-19 General Datacomm, Inc. Mapper for high data rate signalling
US6549242B1 (en) * 1997-04-04 2003-04-15 Harris Corporation Combining adjacent TV channels for transmission by a common antenna
DE19748880C1 (de) 1997-11-06 1999-05-12 Deutsche Telekom Ag Verfahren und Schaltungsanordnung zur verbesserten Datenübertragung
US6163570A (en) 1998-05-11 2000-12-19 Conexant Systems, Inc. Methods and apparatus for verifying transmit power levels in a signal point limited transmission system
GB2339514A (en) * 1998-07-11 2000-01-26 Motorola Ltd Cellular communication system with reduced power variation
AU2001231263A1 (en) * 2000-01-31 2001-08-07 Texas Instruments Incorporated Home networking over phone lines
US7251270B2 (en) * 2000-06-20 2007-07-31 Paradyne Corporation Systems and methods for fractional bit rate encoding in a communication system
US6651210B1 (en) * 2000-12-21 2003-11-18 Arraycomm, Inc. Flexible multi-bit per symbol rate encoding
US6574285B2 (en) * 2001-07-16 2003-06-03 Northrop Grumman Corporation 128-ary signal constellations suitable for non-linear amplification
KR100896352B1 (ko) 2001-08-23 2009-05-08 노오텔 네트웍스 리미티드 멀티 캐리어 변조에서 최대 전력을 감소시키는 시스템 및방법
US7161991B2 (en) * 2002-05-10 2007-01-09 The Boeing Company Multi-dimensional fractional number of bits modulation scheme
EP1523099A1 (de) * 2003-06-13 2005-04-13 Broadcom Corporation Gray Tabellen in multidimensionalen Raum für multidimensionale Phasemodulation angewendet an einer kodierte LDPC Modulation (Parität Kontrolle mit Schwacher Dichtheit)
US7383493B2 (en) 2003-06-13 2008-06-03 Broadcom Corporation LDPC (Low Density Parity Check) coded modulation hybrid decoding using non-Gray code maps for improved performance
US7237074B2 (en) * 2003-06-13 2007-06-26 Sandisk Corporation Tracking cells for a memory system
US7322005B2 (en) 2003-06-13 2008-01-22 Broadcom Corporation LDPC (Low Density Parity Check) coded modulation symbol decoding using non-Gray code maps for improved performance
US7185270B2 (en) 2003-07-29 2007-02-27 Broadcom Corporation LDPC (low density parity check) coded modulation hybrid decoding
US7159170B2 (en) * 2003-06-13 2007-01-02 Broadcom Corporation LDPC (low density parity check) coded modulation symbol decoding
US7436902B2 (en) 2003-06-13 2008-10-14 Broadcom Corporation Multi-dimensional space Gray code maps for multi-dimensional phase modulation as applied to LDPC (Low Density Parity Check) coded modulation
US7535975B1 (en) * 2003-11-07 2009-05-19 Wionics Technologies, Inc. QAM mapping and bit labeling or bit-interleaved coded modulation
US20060092050A1 (en) * 2004-10-05 2006-05-04 Djokovic Igor S Trellis constellation shaping
CN101094031A (zh) * 2006-06-21 2007-12-26 株式会社Ntt都科摩 一种数据传输方法及装置
WO2009039216A1 (en) 2007-09-17 2009-03-26 L'air Liquide - Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Neutral ligand containing precursors and methods for deposition of a metal containing film
CN102404072B (zh) * 2010-09-08 2013-03-20 华为技术有限公司 一种信息比特发送方法、装置和系统
KR101612294B1 (ko) * 2011-02-15 2016-04-15 삼성전자주식회사 통신 시스템에서 복호화를 위한 장치 및 방법
WO2014167861A1 (ja) * 2013-04-12 2014-10-16 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 送信方法
US11736320B2 (en) * 2022-02-14 2023-08-22 Ultralogic 6G, Llc Multiplexed amplitude-phase modulation for 5G/6G noise mitigation

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Publication number Priority date Publication date Assignee Title
US4597090A (en) * 1983-04-14 1986-06-24 Codex Corporation Block coded modulation system
EP0122305A1 (de) * 1983-04-15 1984-10-24 General Electric Company Polyetherimid-Polyamid-Mischungen
US4713817A (en) * 1985-04-25 1987-12-15 Codex Corporation Multidimensional, convolutionally coded communication systems
JPH0691520B2 (ja) * 1986-03-24 1994-11-14 日本電気株式会社 フレ−ム同期はずれ検出方式
US5150381A (en) * 1989-02-16 1992-09-22 Codex Corporation Trellis shaping for modulation systems
AU630417B2 (en) * 1989-02-16 1992-10-29 Codex Corporation Trellis shaping for modulation systems
US5022053A (en) * 1989-04-10 1991-06-04 At&T Bell Laboratories Data communications with alternation of signaling constellations
US4941154A (en) * 1989-05-30 1990-07-10 At&T Bell Laboratories Trellis coding method and arrangement for fractional bit rates
DE68915758T2 (de) * 1989-07-07 1994-12-08 Ibm Blockkodierungsschema für die Übertragung von partiellen Bits.
US5214672A (en) * 1990-04-06 1993-05-25 Codex Corporation Trellis precoding for fractional bits/baud
US5103227A (en) * 1990-09-26 1992-04-07 At&T Bell Laboratories Modulus converter for fractional rate encoding
US5119403A (en) * 1991-04-09 1992-06-02 Racal Data Communications Inc. Superframes

Also Published As

Publication number Publication date
DE69226361D1 (de) 1998-08-27
EP0836305A2 (de) 1998-04-15
US5493586A (en) 1996-02-20
CA2106844C (en) 1998-12-01
WO1992017971A1 (en) 1992-10-15
EP0577672B1 (de) 1998-07-22
DE69233373T2 (de) 2005-06-30
DE69233373D1 (de) 2004-07-29
EP0836305A3 (de) 1998-08-26
JP3253958B2 (ja) 2002-02-04
EP0577672A1 (de) 1994-01-12
JPH06506328A (ja) 1994-07-14
CA2106844A1 (en) 1992-09-29
DE69226361T2 (de) 1998-12-24
EP0836305B1 (de) 2004-06-23
HK1013548A1 (en) 1999-08-27

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