HK54690A - Packetized ensemble modem - Google Patents

Packetized ensemble modem

Info

Publication number
HK54690A
HK54690A HK546/90A HK54690A HK54690A HK 54690 A HK54690 A HK 54690A HK 546/90 A HK546/90 A HK 546/90A HK 54690 A HK54690 A HK 54690A HK 54690 A HK54690 A HK 54690A
Authority
HK
Hong Kong
Prior art keywords
carriers
data
modem
communication medium
phase
Prior art date
Application number
HK546/90A
Other languages
German (de)
English (en)
French (fr)
Inventor
Paul Baran
Original Assignee
Telebit Corporation
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 Telebit Corporation filed Critical Telebit Corporation
Publication of HK54690A publication Critical patent/HK54690A/en

Links

Classifications

    • 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
    • H04L1/24—Testing correct operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HK546/90A 1984-01-11 1990-07-19 Packetized ensemble modem HK54690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1984/000045 WO1985003180A1 (en) 1984-01-11 1984-01-11 Packetized ensemble modem

Publications (1)

Publication Number Publication Date
HK54690A true HK54690A (en) 1990-07-27

Family

ID=22182004

Family Applications (1)

Application Number Title Priority Date Filing Date
HK546/90A HK54690A (en) 1984-01-11 1990-07-19 Packetized ensemble modem

Country Status (9)

Country Link
EP (1) EP0167531B1 (cs)
JP (1) JPS61501063A (cs)
AU (1) AU560098B2 (cs)
BR (1) BR8407263A (cs)
DE (1) DE3478177D1 (cs)
DK (1) DK413885D0 (cs)
HK (1) HK54690A (cs)
NO (1) NO853476L (cs)
WO (1) WO1985003180A1 (cs)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744083A (en) * 1984-09-14 1988-05-10 Geostar Corporation Satellite-based position determining and message transfer system with monitoring of link quality
US4679227A (en) * 1985-05-20 1987-07-07 Telebit Corporation Ensemble modem structure for imperfect transmission media
JPH05316063A (ja) * 1992-05-12 1993-11-26 Fujitsu Ltd 周波数多重モデムの多重制御方式
JP3485117B2 (ja) * 1993-09-10 2004-01-13 ドイチェ トムソン−ブラント ゲーエムベーハー Ｏｆｄｍ方式の基準信号の伝送方法
GB9323337D0 (en) * 1993-11-11 1994-01-05 Marconi Gec Ltd High-speed digital subscriber lines
GB2283879B (en) * 1993-11-11 1998-02-11 Plessey Telecomm High-speed digital subscriber lines
DE69528646T2 (de) 1994-06-02 2003-06-18 Amati Communications Corp., San Jose Verfahren und einrichtung zum koordinieren von mehrpunktkommunikation in einem mehrtonübertragungssystem
US5625651A (en) * 1994-06-02 1997-04-29 Amati Communications, Inc. Discrete multi-tone data transmission system using an overhead bus for synchronizing multiple remote units
EP0890227B1 (de) 1996-03-27 2000-03-08 Robert Bosch Gmbh Punkt-zu-mehrpunkt funkübertragungssystem
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
DE69717128T2 (de) * 1996-09-02 2003-07-10 Stmicroelectronics N.V., Amsterdam Verbesserungen an oder in bezug auf mehrträger-übertragungsysteme
WO1998010551A2 (en) * 1996-09-02 1998-03-12 Telia Ab Improvements in, or relating to, multi-carrier transmission systems
US7110370B2 (en) 1997-10-22 2006-09-19 Texas Instruments Incorporated Method and apparatus for coordinating multi-point to point communications in a multi-tone data transmission system
US6278685B1 (en) * 1999-08-19 2001-08-21 Intellon Corporation Robust transmission mode

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055808A (en) * 1976-05-20 1977-10-25 Intertel, Inc. Data communications network testing system
US4317204A (en) * 1976-06-04 1982-02-23 Ncr Corporation Spread spectrum conferencing communication system
US4225935A (en) * 1977-08-30 1980-09-30 Sperry Corporation Coding method and system with enhanced security
US4206320A (en) * 1978-08-21 1980-06-03 University Of Illinois Foundation High speed modem suitable for operating with a switched network
US4306308A (en) * 1979-09-14 1981-12-15 Rca Corporation Symbols communication system
JPS5660133A (en) * 1979-10-23 1981-05-23 Fujitsu Ltd Error rate supervisory system
US4383323A (en) * 1980-06-09 1983-05-10 Bell Telephone Laboratories, Incorporated Spread spectrum FH-MFSK transmitter and receiver
US4320514A (en) * 1980-06-09 1982-03-16 Bell Telephone Laboratories, Incorporated Spread spectrum FH-MFSK radio receiver
US4355399A (en) * 1981-02-23 1982-10-19 Bell Telephone Laboratories, Incorporated Adaptive spread spectrum FH-MFSK transmitter and receiver

Also Published As

Publication number Publication date
JPH0455014B2 (cs) 1992-09-02
AU560098B2 (en) 1987-03-26
DK413885A (da) 1985-09-11
JPS61501063A (ja) 1986-05-22
DE3478177D1 (de) 1989-06-15
AU2491084A (en) 1985-07-30
DK413885D0 (da) 1985-09-11
BR8407263A (pt) 1985-12-24
EP0167531A4 (en) 1987-12-08
WO1985003180A1 (en) 1985-07-18
EP0167531A1 (en) 1986-01-15
EP0167531B1 (en) 1989-05-10
NO853476L (no) 1985-11-04

Similar Documents

Publication Publication Date Title
US4438511A (en) Packetized ensemble modem
EP0167531B1 (en) Packetized ensemble modem
US7907640B2 (en) Synchronizing clocks across a communication link
CN100531000C (zh) 在电网上的数字点到多点数据传输系统
US6272108B1 (en) Apparatus and method to allow a frame check sequence to determine the updating of adaptive receiver parameters of a high speed communication device
US5410754A (en) Bi-directional wire-line to local area network interface and method
US3955141A (en) Synchronizing circuit for modems in a data communications network
US6898213B1 (en) Circuit emulation service (CES) over IP
EP0631422A2 (en) A modem with received signals and transmitted signals comprising signal sets
EP2559200A1 (en) Detecting delimiters for low-overhead communication in a network
JPH0346862A (ja) 伝送システム
US4398062A (en) Apparatus for privacy transmission in system having bandwidth constraint
EP1228598A2 (en) A method and apparatus for the detection and classification of collisions on a shared access rf network
Hekmat Communication networks
CA1207389A (en) Packetized ensemble modem
EP0529144B1 (en) Far-end echo canceller
EP2574221A2 (en) Method and system for accurate synchronization of frequency, phase and symbol timing
Gast T1: A survival guide
US20040247017A1 (en) Method and apparatus for monitoring a reductant (standby) transmitter in a radio communication system
US6721287B1 (en) Far echo canceller for PCM modems
Guidoux et al. Binary passband echo canceller in a 4800 bit/s two-wire duplex modem
Andersson et al. An LSI implementation of an ISDN echo canceller: design and network aspects
CN114051117A (zh) 基于多载波数字多媒体的h04l数字信息的传输方法
JP2003273822A (ja) Ａｄｓｌアネックスｃ送受信機のｔｔｒ同期
JPH0530126A (ja) データ送信タイミング自動設定方式

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)