DE69925852D1 - Übertragung mit nichtganzzahligen datenraten unter verwendung multiplexierter konstellationen - Google Patents

Übertragung mit nichtganzzahligen datenraten unter verwendung multiplexierter konstellationen

Info

Publication number
DE69925852D1
DE69925852D1 DE69925852T DE69925852T DE69925852D1 DE 69925852 D1 DE69925852 D1 DE 69925852D1 DE 69925852 T DE69925852 T DE 69925852T DE 69925852 T DE69925852 T DE 69925852T DE 69925852 D1 DE69925852 D1 DE 69925852D1
Authority
DE
Germany
Prior art keywords
symbols
transmission
noise
grouped
constellations
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.)
Revoked
Application number
DE69925852T
Other languages
English (en)
Other versions
DE69925852T2 (de
Inventor
Simon Lin
Steven Jaffe
B Joshi
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.)
Broadcom Corp
Original Assignee
Broadcom Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22311650&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69925852(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Broadcom Corp filed Critical Broadcom Corp
Publication of DE69925852D1 publication Critical patent/DE69925852D1/de
Application granted granted Critical
Publication of DE69925852T2 publication Critical patent/DE69925852T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03184—Details concerning the metric

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Communication Control (AREA)
DE69925852T 1998-10-30 1999-10-29 Übertragung mit nichtganzzahligen datenraten unter verwendung multiplexierter konstellationen Revoked DE69925852T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10648198P 1998-10-30 1998-10-30
US106481P 1998-10-30
PCT/US1999/025363 WO2000027085A1 (en) 1998-10-30 1999-10-29 Fractional-bit transmission using multiplexed constellations

Publications (2)

Publication Number Publication Date
DE69925852D1 true DE69925852D1 (de) 2005-07-21
DE69925852T2 DE69925852T2 (de) 2006-05-04

Family

ID=22311650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69925852T Revoked DE69925852T2 (de) 1998-10-30 1999-10-29 Übertragung mit nichtganzzahligen datenraten unter verwendung multiplexierter konstellationen

Country Status (6)

Country Link
US (1) US6553063B1 (de)
EP (1) EP1123613B1 (de)
AT (1) ATE298161T1 (de)
AU (1) AU1330100A (de)
DE (1) DE69925852T2 (de)
WO (1) WO2000027085A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7254167B2 (en) 1998-10-30 2007-08-07 Broadcom Corporation Constellation-multiplexed transmitter and receiver
US7218680B1 (en) * 2000-02-29 2007-05-15 Texas Instruments Incorporated Retransmission techniques for enhanced performance in fading wireless communication channels
JP2001251200A (ja) * 2000-03-03 2001-09-14 Nec Corp 符号化方法
US7251270B2 (en) * 2000-06-20 2007-07-31 Paradyne Corporation Systems and methods for fractional bit rate encoding in a communication system
US7016296B2 (en) * 2000-10-16 2006-03-21 Broadcom Corporation Adaptive modulation for fixed wireless link in cable transmission system
ES2184587B1 (es) * 2000-12-18 2004-08-01 Diseño De Sistemas En Silicio, S.A. Sistema y procedimiento de transmision digital de datos punto a multipunto sobre red electrica.
US7065151B2 (en) * 2000-12-21 2006-06-20 Agere Systems Inc. Channel optimization system
US6683915B1 (en) * 2000-12-21 2004-01-27 Arraycomm, Inc. Multi-bit per symbol rate quadrature amplitude encoding
US6961388B2 (en) 2001-02-01 2005-11-01 Qualcomm, Incorporated Coding scheme for a wireless communication system
US9979580B2 (en) 2001-02-01 2018-05-22 Qualcomm Incorporated Coding scheme for a wireless communication system
EP1248396A1 (de) * 2001-04-02 2002-10-09 Alcatel Verfahren und Empfänger zur Schätzung der Qualität einer Funkverbindung in einem drahtlosen Kommunikationsnetzwerk
US20020172186A1 (en) * 2001-04-09 2002-11-21 Peter Larsson Instantaneous joint transmit power control and link adaptation for RTS/CTS based channel access
US7116732B2 (en) 2001-06-21 2006-10-03 Alcatel Method and apparatus for decoding a bit sequence
DE60118716T2 (de) * 2001-06-21 2007-02-22 Alcatel Log-MAP Dekodierung
JP3843891B2 (ja) * 2001-08-16 2006-11-08 日本電気株式会社 多値変調装置と多値復調装置と多値変復調通信システムおよびその変復調プログラムならびに変復調方法
US7773699B2 (en) 2001-10-17 2010-08-10 Nortel Networks Limited Method and apparatus for channel quality measurements
US7082170B2 (en) * 2001-12-28 2006-07-25 Texas Instruments Incorporated Spectral power management for constrained transmissions using constellation shaping
US7130354B1 (en) * 2002-05-02 2006-10-31 3Com Corporation Method and apparatus for improving error control properties for encoding and decoding data
US7123663B2 (en) * 2002-06-04 2006-10-17 Agence Spatiale Europeenne Coded digital modulation method for communication system
US6718504B1 (en) 2002-06-05 2004-04-06 Arc International Method and apparatus for implementing a data processor adapted for turbo decoding
US7869490B1 (en) * 2004-08-30 2011-01-11 Adtran, Inc. Repeater for regenerating spectrally compatible signals along a telecommunication line
WO2007022628A1 (en) 2005-08-23 2007-03-01 Nortel Networks Limited Adaptive two-dimensional channel interpolation
GB0606532D0 (en) * 2006-03-31 2006-05-10 Matsushita Electric Ind Co Ltd Signal-To-Noise Ratio Estimation For Digital Signal Decoding
CN101874393B (zh) 2007-09-28 2013-07-03 Lg电子株式会社 发送和接收信号的装置以及发送和接收信号的方法
US20110050496A1 (en) * 2009-09-02 2011-03-03 Qualcomm Incorporated Energy Domain Based Peak Reconstruction Methods And Apparatuses

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891806A (en) * 1987-09-18 1990-01-02 Racal Data Communications Inc. Constellation multiplexed inband secondary channel for voiceband modem
US5195107A (en) * 1990-12-11 1993-03-16 At&T Bell Laboratories Technique for compensating for intersymbol interference
US5185763A (en) * 1991-04-09 1993-02-09 Racal-Datacom, Inc. Data bit to constellation symbol mapper
US5222077A (en) 1991-04-09 1993-06-22 Racal-Datacom, Inc. Radix mapping with variable number of symbols in mapping period
US5119403A (en) 1991-04-09 1992-06-02 Racal Data Communications Inc. Superframes
AU5550694A (en) * 1992-11-06 1994-06-08 Pericle Communications Company Adaptive data rate modem
US5684834A (en) * 1993-06-14 1997-11-04 Paradyne Corporation Simultaneous analog and digital communication using fractional rate encoding
US5442626A (en) * 1993-08-24 1995-08-15 At&T Corp. Digital communications system with symbol multiplexers
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
US5790570A (en) * 1996-08-30 1998-08-04 Cornell Research Foundation, Inc. Concatenated trellis coded modulation and linear block codes
US6081555A (en) * 1996-12-04 2000-06-27 Conexant Systems, Inc. Methods and apparatus for implementing shell mapping techniques in the context of a PCM-based modem communications system
US6005897A (en) * 1997-12-16 1999-12-21 Mccallister; Ronald D. Data communication system and method therefor
US6034991A (en) * 1998-01-26 2000-03-07 Conexant Systems, Inc. Method and apparatus for implementing enhanced multiple modulus conversion techniques in a signal point mapping context
US6310909B1 (en) * 1998-12-23 2001-10-30 Broadcom Corporation DSL rate adaptation

Also Published As

Publication number Publication date
ATE298161T1 (de) 2005-07-15
EP1123613A1 (de) 2001-08-16
AU1330100A (en) 2000-05-22
EP1123613B1 (de) 2005-06-15
DE69925852T2 (de) 2006-05-04
US6553063B1 (en) 2003-04-22
WO2000027085A1 (en) 2000-05-11

Similar Documents

Publication Publication Date Title
DE69925852D1 (de) Übertragung mit nichtganzzahligen datenraten unter verwendung multiplexierter konstellationen
US7254167B2 (en) Constellation-multiplexed transmitter and receiver
KR960706247A (ko) 가변 비율 디지탈 데이타를 전송하기 위한 방법 및 장치(medhod and apparatus for the transmission of variable rate digital data)
JP3115735B2 (ja) データ送受信装置および方法
RU2005101216A (ru) Управление скоростью в системах многоканальной связи
TW332957B (en) Line-encoding and low noise data transmission use of modified line encoding and low signal-to-noise ratio processing to extend range of digital data transmission over repeaterless two-wire telephone link.
US6654340B1 (en) Differential OFDM using multiple receiver antennas
US7668255B1 (en) Creating training sequences for space-time diversity arrangements
BR0206314A (pt) Método e sistema para elevar a eficiência da largura de banda em canais de múltiplas entradas - múltiplas saìdas
RU2005108590A (ru) Кодированные системы со многими входами и многими выходами с выборочной инверсией каналов, применяемой на каждой собственной моде
AU1446400A (en) Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
TW200609919A (en) Encoding and decoding apparatus and corresponding methods
DE69912628D1 (de) Kodierung/dekodierung von zusätzlichen symbolen in einem kommunikationssystem
Morley et al. Maximum likelihood sequence estimation for randomly dispersive channels
US6532267B1 (en) Variable rate constellation precoding
WO2002061953A1 (fr) Dispositif et procede de decodage
JPH07288554A (ja) トレリス符号化の方法および装置
EP1330888A1 (de) Kominierung von raumzeitkodierung und raummultiplexierung, sowie die verwendung von orthogonalen transformationen bei raumzeitkodierung
US20040096007A1 (en) Method for generating soft bit information from gray coded signals
ATE415781T1 (de) Verteiltes modem
CA2399513A1 (en) System and method for adjusting pcm data frames for robbed bit signaling in a telephone network
KR20060106041A (ko) 반-비아씨엠 기법을 이용하는 다중 레벨 부호 송수신기
Ottosson et al. Soft multiuser decoding for vector quantization over Rayleigh fading CDMA channels
Hong Analysis of the bit error rate of trellis-coded modulation
TW366637B (en) Rate 2/3 mask trellis coded modulation using rate 1/2 convolutional encoder

Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation