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DE69219551D1 - Überrahmen - Google Patents

Überrahmen

Info

Publication number
DE69219551D1
DE69219551D1 DE69219551T DE69219551T DE69219551D1 DE 69219551 D1 DE69219551 D1 DE 69219551D1 DE 69219551 T DE69219551 T DE 69219551T DE 69219551 T DE69219551 T DE 69219551T DE 69219551 D1 DE69219551 D1 DE 69219551D1
Authority
DE
Germany
Prior art keywords
overframe
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.)
Expired - Lifetime
Application number
DE69219551T
Other languages
English (en)
Other versions
DE69219551T2 (de
Inventor
Vedavalli Krishnan
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.)
Intel Corp
Original Assignee
Racal Data Communications Inc
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 Racal Data Communications Inc filed Critical Racal Data Communications Inc
Application granted granted Critical
Publication of DE69219551D1 publication Critical patent/DE69219551D1/de
Publication of DE69219551T2 publication Critical patent/DE69219551T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • H04L25/4975—Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS
    • 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
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L27/3472—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel by switching between alternative constellations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69219551T 1991-04-09 1992-03-06 Überrahmen Expired - Lifetime DE69219551T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/683,359 US5185763A (en) 1991-04-09 1991-04-09 Data bit to constellation symbol mapper
PCT/US1992/001851 WO1992019061A1 (en) 1991-04-09 1992-03-06 Superframes

Publications (2)

Publication Number Publication Date
DE69219551D1 true DE69219551D1 (de) 1997-06-12
DE69219551T2 DE69219551T2 (de) 1997-12-04

Family

ID=24743700

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69221803T Expired - Lifetime DE69221803D1 (de) 1991-04-09 1992-03-06 Datenbit zu konstellationssymbol-abbildungssystem
DE69219551T Expired - Lifetime DE69219551T2 (de) 1991-04-09 1992-03-06 Überrahmen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69221803T Expired - Lifetime DE69221803D1 (de) 1991-04-09 1992-03-06 Datenbit zu konstellationssymbol-abbildungssystem

Country Status (4)

Country Link
US (1) US5185763A (de)
EP (2) EP0538448B1 (de)
DE (2) DE69221803D1 (de)
WO (2) WO1992019055A1 (de)

Families Citing this family (55)

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US5222077A (en) * 1991-04-09 1993-06-22 Racal-Datacom, Inc. Radix mapping with variable number of symbols in mapping period
US5388124A (en) * 1992-06-12 1995-02-07 University Of Maryland Precoding scheme for transmitting data using optimally-shaped constellations over intersymbol-interference channels
US5475713A (en) * 1993-06-14 1995-12-12 At&T Corp. Shaped signal spaces in a simultaneous voice and data system
US5436930A (en) * 1993-06-14 1995-07-25 At&T Corp. Simultaneous analog and digital communications with a selection of different signal point constellations based on signal energy
US5754600A (en) * 1994-08-29 1998-05-19 Motorola, Inc. Method and apparatus for optimum soft-decision viterbi decoding of convolutional-differential encoded QPSK data in coherent detection
US5659579A (en) * 1995-02-01 1997-08-19 Lucent Technologies Inc. Multilevel coding for fractional bits
US5781617A (en) * 1996-03-29 1998-07-14 Netspeed, Inc. Communication server apparatus using frequency multiplexing and method
US5898761A (en) * 1996-03-29 1999-04-27 Cisco Technology, Inc. Communication server apparatus using digital signal switching and method
US6160843A (en) 1996-03-29 2000-12-12 Cisco Technology, Inc. Communication server apparatus providing XDSL services and method
US5668857A (en) * 1996-03-29 1997-09-16 Netspeed, Inc. Communication server apparatus and method
US5905781A (en) * 1996-03-29 1999-05-18 Cisco Technology, Inc. Communication server apparatus and method
US5852655A (en) * 1996-03-29 1998-12-22 Cisco Systems, Inc. Communication server apparatus having distributed switching and method
US6385203B2 (en) 1996-03-29 2002-05-07 Cisco Technology, Inc. Communication server apparatus and method
US6014431A (en) * 1996-03-29 2000-01-11 Cisco Technology, Inc. Communication server apparatus having four-wire switching interface and method
US5790548A (en) 1996-04-18 1998-08-04 Bell Atlantic Network Services, Inc. Universal access multimedia data network
US5995548A (en) * 1996-11-15 1999-11-30 3Com Corporation Signaling method using multiple modulus shell mapping
US6084883A (en) * 1997-07-07 2000-07-04 3Com Corporation Efficient data transmission over digital telephone networks using multiple modulus conversion
US6084915A (en) * 1997-03-03 2000-07-04 3Com Corporation Signaling method having mixed-base shell map indices
US6163599A (en) * 1997-03-20 2000-12-19 Cisco Technology, Inc. Communication server apparatus and method
US6366644B1 (en) 1997-09-15 2002-04-02 Cisco Technology, Inc. Loop integrity test device and method for digital subscriber line (XDSL) communication
US5999565A (en) * 1997-10-15 1999-12-07 Cisco Technology, Inc. Data communication using a modifiable number of XDSL modems
US6252878B1 (en) 1997-10-30 2001-06-26 Cisco Technology, Inc. Switched architecture access server
US6263016B1 (en) 1998-02-04 2001-07-17 3Com Corporation Methods for interfacing a subscriber link to digital networks
US6278728B1 (en) 1998-03-18 2001-08-21 Cisco Technology, Inc. Remote XDSL transceiver unit and method of operation
US6181572B1 (en) 1998-06-19 2001-01-30 Cisco Technology, Inc. Digital subscriber line (xDSL) modem having a multi-layer electromagnetic shield and method of manufacture
US6239672B1 (en) 1998-06-29 2001-05-29 Cisco Technology, Inc. Wall mount filter for a digital subscriber line (xDSL) network and methods of installation and manufacture
US6535520B1 (en) 1998-08-14 2003-03-18 Cisco Technology, Inc. System and method of operation for managing data communication between physical layer devices and ATM layer devices
US6381245B1 (en) 1998-09-04 2002-04-30 Cisco Technology, Inc. Method and apparatus for generating parity for communication between a physical layer device and an ATM layer device
US6502138B2 (en) * 1998-09-25 2002-12-31 Intel Corporation Modem with code execution adapted to symbol rate
US6661848B1 (en) 1998-09-25 2003-12-09 Intel Corporation Integrated audio and modem device
US6625208B2 (en) * 1998-09-25 2003-09-23 Intel Corporation Modem using batch processing of signal samples
US6490628B2 (en) * 1998-09-25 2002-12-03 Intel Corporation Modem using a digital signal processor and a signal based command set
WO2000027085A1 (en) * 1998-10-30 2000-05-11 Broadcom Corporation Fractional-bit transmission using multiplexed constellations
US7254167B2 (en) * 1998-10-30 2007-08-07 Broadcom Corporation Constellation-multiplexed transmitter and receiver
US6522668B1 (en) 1998-11-30 2003-02-18 Cisco Technology, Inc. System and method for special signaling with customer premises equipment
US6115226A (en) * 1998-12-07 2000-09-05 Cisco Technology, Inc. Apparatus for lightning strike survivability and post-strike operability
US5999540A (en) 1998-12-22 1999-12-07 Cisco Technology, Inc. Rate adaptive XDSL communication system and method
US6161161A (en) * 1999-01-08 2000-12-12 Cisco Technology, Inc. System and method for coupling a local bus to a peripheral component interconnect (PCI) bus
US6553075B1 (en) 1999-01-12 2003-04-22 Cisco Technology, Inc. Method and apparatus for determining crosstalk
US6658049B1 (en) 1999-01-12 2003-12-02 Cisco Technology, Inc. xDSL repeater system and method
US6421395B1 (en) * 1999-02-09 2002-07-16 Lucent Technologies Inc. Termination of coded or uncoded modulation with path-oriented decoder
US6958781B2 (en) * 2000-04-18 2005-10-25 Zenith Electronics Corporation Mapping arrangement for digital communication system
US7016296B2 (en) * 2000-10-16 2006-03-21 Broadcom Corporation Adaptive modulation for fixed wireless link in cable transmission system
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
EP1868340B1 (de) 2006-06-12 2012-10-17 Ali Corporation Ordnungsberechnungsverfahren in einem QAM-Empfänger für quadraturmodulierte Signale
CN102783112B (zh) 2009-12-21 2015-08-05 瑞典爱立信有限公司 数据调制
JP6662640B2 (ja) * 2013-02-16 2020-03-11 ケーブル テレビジョン ラボラトリーズ，インク． 多入力多出力通信システム
US9923621B2 (en) 2013-02-16 2018-03-20 Cable Television Laboratories, Inc. Multiple-input multiple-output (MIMO) communication system
US9231672B2 (en) 2013-02-16 2016-01-05 Cable Television Laboratories, Inc. Multiple-input multiple-output (MIMO) communication system
US9088313B2 (en) 2013-02-16 2015-07-21 Cable Television Laboratories, Inc. Multiple-input multiple-output (MIMO) communication system
US9491026B2 (en) * 2013-04-12 2016-11-08 Sun Patent Trust Transmission method
DE102013219762A1 (de) * 2013-09-30 2015-04-02 Siemens Aktiengesellschaft Verfahren, Sender und System zum Übertragen von Daten
JP7332873B2 (ja) * 2019-09-10 2023-08-24 富士通株式会社 符号化回路、復号化回路、符号化方法、復号化方法、伝送装置、及び光伝送システム
US11736320B2 (en) * 2022-02-14 2023-08-22 Ultralogic 6G, Llc Multiplexed amplitude-phase modulation for 5G/6G noise mitigation
US12250100B2 (en) * 2022-02-14 2025-03-11 David E. Newman Selecting a modulation scheme responsive to fault types in 5G/6G

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617658A (en) * 1985-04-17 1986-10-14 Bell Communications Research, Inc. Frame arrangement for multiplexing a plurality of subchannels onto a fixed rate channel
US4761784A (en) * 1987-01-15 1988-08-02 Racal Data Communications Inc. Modem and method using multidimensional coded modulation
US4807230A (en) * 1987-05-29 1989-02-21 Racal Data Communications Inc. Frame synchronization
US4891806A (en) * 1987-09-18 1990-01-02 Racal Data Communications Inc. Constellation multiplexed inband secondary channel for voiceband modem
US4987570A (en) * 1989-02-09 1991-01-22 Data General Corporation Methods and apparatus for performing time interleaved multiplexed rate adaptation for sub-rate channels in a digital data communication system
US5022053A (en) * 1989-04-10 1991-06-04 At&T Bell Laboratories Data communications with alternation of signaling constellations
US5048054A (en) * 1989-05-12 1991-09-10 Codex Corporation Line probing modem
US5052000A (en) * 1989-06-09 1991-09-24 At&T Bell Laboratories Technique for improving the operation of decision feedback equalizers in communications systems utilizing error correction
DE69233373T2 (de) * 1991-03-28 2005-06-30 British Telecommunications P.L.C. TCM-Schema mit nichtganzzahligen Datenraten, Rahmensignalen und Konstellationsumformung
US5623516A (en) * 1991-03-28 1997-04-22 British Telecommunications Public Limited Company Frame synchronization for QAM

Also Published As

Publication number Publication date
EP0538448A1 (de) 1993-04-28
WO1992019055A1 (en) 1992-10-29
DE69221803D1 (de) 1997-10-02
EP0536390A1 (de) 1993-04-14
EP0536390A4 (en) 1993-10-13
DE69219551T2 (de) 1997-12-04
EP0536390B1 (de) 1997-08-27
EP0538448B1 (de) 1997-05-07
EP0538448A4 (en) 1993-09-29
US5185763A (en) 1993-02-09
WO1992019061A1 (en) 1992-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THE RACAL CORP., SUNRISE, FLA., US

8327 Change in the person/name/address of the patent owner

Owner name: INTEL CORP., SANTA CLARA, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: EISENFUEHR, SPEISER & PARTNER, 28195 BREMEN