DE69937432D1 - Empfängerabhängige Kodierung für diskrete Multitonmodulation - Google Patents

Empfängerabhängige Kodierung für diskrete Multitonmodulation

Info

Publication number
DE69937432D1
DE69937432D1 DE69937432T DE69937432T DE69937432D1 DE 69937432 D1 DE69937432 D1 DE 69937432D1 DE 69937432 T DE69937432 T DE 69937432T DE 69937432 T DE69937432 T DE 69937432T DE 69937432 D1 DE69937432 D1 DE 69937432D1
Authority
DE
Germany
Prior art keywords
frequency bands
group
remote device
subscriber line
remote
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
DE69937432T
Other languages
English (en)
Other versions
DE69937432T2 (de
Inventor
Gordon T Davis
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69937432D1 publication Critical patent/DE69937432D1/de
Publication of DE69937432T2 publication Critical patent/DE69937432T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Telephonic Communication Services (AREA)
  • Small-Scale Networks (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE69937432T 1998-08-19 1999-08-12 Empfängerabhängige Kodierung für diskrete Multitonmodulation Expired - Lifetime DE69937432T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US136721 1987-12-22
US09/136,721 US6636525B1 (en) 1998-08-19 1998-08-19 Destination dependent coding for discrete multi-tone modulation

Publications (2)

Publication Number Publication Date
DE69937432D1 true DE69937432D1 (de) 2007-12-13
DE69937432T2 DE69937432T2 (de) 2008-08-21

Family

ID=22474078

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937432T Expired - Lifetime DE69937432T2 (de) 1998-08-19 1999-08-12 Empfängerabhängige Kodierung für diskrete Multitonmodulation

Country Status (9)

Country Link
US (1) US6636525B1 (de)
EP (1) EP0981222B1 (de)
JP (1) JP3706275B2 (de)
KR (1) KR100369667B1 (de)
CN (1) CN1287532C (de)
AT (1) ATE377306T1 (de)
CA (1) CA2268360C (de)
DE (1) DE69937432T2 (de)
TW (1) TW437224B (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7058079B1 (en) * 1999-04-26 2006-06-06 Lucent Technologies Inc. Method for making a call in a multiple bit-rate transmission channel bit-rate switching method, corresponding network section and transmission network
KR100297394B1 (ko) * 1999-06-05 2001-10-29 서평원 디엠티 방식 데이터 통신시스템 초기화 제어장치 및 그 방법
JP2001111518A (ja) * 1999-10-04 2001-04-20 Mitsubishi Electric Corp 通信方法および通信装置
EP1264455A2 (de) * 2000-03-10 2002-12-11 Broadcom Corporation Architektur für entscheidungs-rückgekoppelte folgeschätzung bei hohen geschwindigkeiten
ATE315865T1 (de) * 2000-07-28 2006-02-15 Broadcom Corp Quittungsaustausch-kommunikationsystem für mehreren xdsl
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US9130810B2 (en) * 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
DE10110683A1 (de) * 2001-03-06 2002-09-26 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Signalübertragung zwischen wenigstens zwei Sendeeinheiten zu wenigstens einer Empfangseinheit
US6965637B2 (en) 2001-03-21 2005-11-15 International Business Machines Corporation System and method for controlling line driver power in a shared digital subscriber line modem
JP2004023248A (ja) * 2002-06-13 2004-01-22 Panasonic Communications Co Ltd Ｄｓｌ通信装置及びｄｓｌ通信プログラムのダウンロード方法
US20060133518A1 (en) * 2003-12-22 2006-06-22 Randy Zimler Methods for providing communications services
US20050135490A1 (en) * 2003-12-22 2005-06-23 Randy Zimler Methods of providing communications services
US20060010247A1 (en) * 2003-12-22 2006-01-12 Randy Zimler Methods for providing communications services
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9461859B2 (en) 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US7558213B2 (en) 2005-06-15 2009-07-07 AT&T Intellectual Property I, LLP Methods and apparatus to determine digital subscriber line configuration parameters
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
EP2383891A1 (de) 2010-04-29 2011-11-02 Dialog Semiconductor GmbH Modularer Gray-Code-Zähler mit niedrigem Stromverbrauch

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679227A (en) 1985-05-20 1987-07-07 Telebit Corporation Ensemble modem structure for imperfect transmission media
US5243629A (en) 1991-09-03 1993-09-07 At&T Bell Laboratories Multi-subcarrier modulation for hdtv transmission
JP3112576B2 (ja) 1992-09-25 2000-11-27 株式会社東芝 デジタル伝送方式およびデジタル変調送受信装置
US5557612A (en) 1995-01-20 1996-09-17 Amati Communications Corporation Method and apparatus for establishing communication in a multi-tone data transmission system
US6473438B1 (en) * 1994-06-02 2002-10-29 Amati Communications Corporation Method and apparatus for coordinating multi-point to-point communications in a multi-tone data transmission system
US5608725A (en) 1995-01-26 1997-03-04 Motorola, Inc. Method and apparatus of a communications system having a DMT infrastructure
IL125472A (en) * 1996-01-24 2002-05-23 Adc Telecommunications Inc Communication system with multi-carrier telephony transmission
US6069879A (en) * 1996-11-14 2000-05-30 Chatter; Mukesh Method of and system architecture for high speed dual symmetric full duplex operation of asymmetric digital subscriber lines
US5751741A (en) * 1996-11-20 1998-05-12 Motorola, Inc. Rate-adapted communication system and method for efficient buffer utilization thereof
JPH10215296A (ja) * 1997-01-31 1998-08-11 Fujitsu Ltd Ａｄｓｌモデムを備えたデジタル伝送システム
KR100252011B1 (ko) * 1997-10-27 2000-04-15 윤종용 시분할이중(tdd)방식 이산다중톤(dmt) 시스템의 데이터전송방법
JP3380851B2 (ja) * 1998-05-06 2003-02-24 三菱電機株式会社 ディスクリートマルチトーン通信システム、そのデータ通信装置およびディスクリートマルチトーン通信方法
KR100309226B1 (ko) * 1998-08-29 2001-11-15 윤종용 비대칭 디지털 가입자 선로를 이용한 가입자 데이터전송장치의 데이터 전송 모뎀장치

Also Published As

Publication number Publication date
EP0981222B1 (de) 2007-10-31
KR100369667B1 (ko) 2003-01-29
EP0981222A3 (de) 2006-01-04
JP3706275B2 (ja) 2005-10-12
ATE377306T1 (de) 2007-11-15
CA2268360A1 (en) 2000-02-19
CN1250256A (zh) 2000-04-12
CN1287532C (zh) 2006-11-29
JP2000134178A (ja) 2000-05-12
EP0981222A2 (de) 2000-02-23
DE69937432T2 (de) 2008-08-21
CA2268360C (en) 2006-03-07
US6636525B1 (en) 2003-10-21
TW437224B (en) 2001-05-28
KR20000016938A (ko) 2000-03-25

Similar Documents

Publication Publication Date Title
DE69937432D1 (de) Empfängerabhängige Kodierung für diskrete Multitonmodulation
DE60100733D1 (de) Adsl-system für sprach- und datenübertragung
MY126542A (en) Activation of multiple xdsl modems with implicit channel probe
US7356049B1 (en) Method and apparatus for optimization of channel capacity in multi-line communication systems using spectrum management techniques
US6288632B1 (en) Apparatus and method for power line communication (PLC)
NO990778L (no) Multi-bµrer transmisjonssystem, heterogent nettverk omfattende samme, og fremgangsmÕte for allokering av toner
IL154967A0 (en) Telephone communication system and method over local area network wiring
CN101785291A (zh) 具有可变上传/下载比特率的dsl方法及特定于应用的动态特性转换
WO2003058906A8 (fr) Procede de gestion de communications dans un reseau, signal, dispositif emetteur et terminal recepteur correspondants
SE9502775D0 (sv) Förfarande för att undertrycka näröverhörning vid dubbelriktad kommunikation i trådnät
RU97110667A (ru) Система радиосвязи
JP3586443B2 (ja) 伝送装置及び送信レベル補正方法並びに伝送制御プログラム
KR100556665B1 (ko) 가입자 모뎀을 사용하여 송신될 데이터를 송신하는 방법
CN107017963B (zh) 节点之间的通信方法、节点和包括多个节点的系统
CN102630375A (zh) 用于减少与通信线相关联的电力消耗的方法和装置
CN101909128B (zh) 通讯系统及相应的通讯方法
CN101305573B (zh) 用于通过传输线进行数据传输的方法和设备
MXPA04004179A (es) Dispositivo de control de una linea de comunicacion xdsl.
EP1829269B1 (de) Verfahren und system für veri (virtual exchange reference impact) zur verwendung bei der gemischten spektrumverwaltung in dsl
JPH11136307A (ja) 通信装置
US6236719B1 (en) Arrangement for data transmission utilizing telephone network
SE9702550D0 (sv) A digital system for subscriber lines allowing high bit rates
NO995864L (no) Totråds kommunikasjonssystem
KR890005367B1 (ko) 상호 신호 변환장치
RU42372U1 (ru) Станция цифровая радиорелейная

Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: DAVIS, GORDON T., WINCHESTER, HAMPSHIRE, GB

8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
R082 Change of representative

Ref document number: 981222

Country of ref document: EP

Representative=s name: PFENNING MEINIG & PARTNER GBR, DE