DE69735602D1 - Bidirektionell arbeitende methode und vorrichtung zur demodulation von digital modulierten signalen - Google Patents

Bidirektionell arbeitende methode und vorrichtung zur demodulation von digital modulierten signalen

Info

Publication number
DE69735602D1
DE69735602D1 DE69735602T DE69735602T DE69735602D1 DE 69735602 D1 DE69735602 D1 DE 69735602D1 DE 69735602 T DE69735602 T DE 69735602T DE 69735602 T DE69735602 T DE 69735602T DE 69735602 D1 DE69735602 D1 DE 69735602D1
Authority
DE
Germany
Prior art keywords
working method
modulated signals
digitally modulated
bidirectional working
demodulating
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
DE69735602T
Other languages
English (en)
Other versions
DE69735602T2 (de
Inventor
E Bottomley
W Dent
D Koilpillai
Sandeep Chennakeshu
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.)
Ericsson Inc
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of DE69735602D1 publication Critical patent/DE69735602D1/de
Application granted granted Critical
Publication of DE69735602T2 publication Critical patent/DE69735602T2/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
    • H04L25/02—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
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03535—Variable structures
    • H04L2025/03547—Switching between time domain structures
    • H04L2025/0356—Switching the time direction of equalisation
DE69735602T 1996-12-05 1997-12-03 Bidirektionell arbeitende methode und vorrichtung zur demodulation von digital modulierten signalen Expired - Lifetime DE69735602T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US761003 1996-12-05
US08/761,003 US5909465A (en) 1996-12-05 1996-12-05 Method and apparatus for bidirectional demodulation of digitally modulated signals
PCT/US1997/022410 WO1998025383A1 (en) 1996-12-05 1997-12-03 Method and apparatus for bidirectional demodulation of digitally modulated signals

Publications (2)

Publication Number Publication Date
DE69735602D1 true DE69735602D1 (de) 2006-05-18
DE69735602T2 DE69735602T2 (de) 2006-11-23

Family

ID=25060823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69735602T Expired - Lifetime DE69735602T2 (de) 1996-12-05 1997-12-03 Bidirektionell arbeitende methode und vorrichtung zur demodulation von digital modulierten signalen

Country Status (9)

Country Link
US (1) US5909465A (de)
EP (1) EP1013037B1 (de)
JP (1) JP2001506072A (de)
CN (1) CN100403745C (de)
AU (1) AU5518498A (de)
CA (1) CA2274101A1 (de)
DE (1) DE69735602T2 (de)
TW (1) TW384587B (de)
WO (1) WO1998025383A1 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6118758A (en) * 1996-08-22 2000-09-12 Tellabs Operations, Inc. Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture
US5790514A (en) * 1996-08-22 1998-08-04 Tellabs Operations, Inc. Multi-point OFDM/DMT digital communications system including remote service unit with improved receiver architecture
US6771590B1 (en) * 1996-08-22 2004-08-03 Tellabs Operations, Inc. Communication system clock synchronization techniques
SE512008C2 (sv) * 1997-09-19 2000-01-10 Ericsson Telefon Ab L M Förfarande och arrangemang för demodulering av datasymboler
DK1068704T3 (da) 1998-04-03 2012-09-17 Tellabs Operations Inc Filter til impulssvarforkortning, med yderligere spektrale begrænsninger, til multibærebølgeoverførsel
US6631175B2 (en) * 1998-04-03 2003-10-07 Tellabs Operations, Inc. Spectrally constrained impulse shortening filter for a discrete multi-tone receiver
US7440498B2 (en) * 2002-12-17 2008-10-21 Tellabs Operations, Inc. Time domain equalization for discrete multi-tone systems
JP2000031942A (ja) * 1998-07-14 2000-01-28 Mitsubishi Electric Corp 音響再生装置及び音響再生方法
US6151487A (en) * 1999-08-31 2000-11-21 Hughes Electronics Corporation Demodulation structure for fast fading cellular channels
US6625233B1 (en) * 1999-09-29 2003-09-23 Motorola, Inc. Method and apparatus in a wireless receiver for demodulating a continuous-phase frequency-shift-keyed signal
FR2802369B1 (fr) * 1999-12-10 2003-09-26 Matra Nortel Communications Procede de radiocommunication a multiplexage temporel, emetteur et recepteur pour la mise en oeuvre du procede
US6529868B1 (en) * 2000-03-28 2003-03-04 Tellabs Operations, Inc. Communication system noise cancellation power signal calculation techniques
US7006581B2 (en) * 2000-05-25 2006-02-28 Vigil Armando J Method for demodulating a digital signal subjected to multipath propagation impairment and an associated receiver
FR2818835B1 (fr) * 2000-12-22 2005-05-06 Nortel Networks Procede et dispositif de traitement de signal dans un recepteur de radiocommunication a etalement de spectre
US6990153B1 (en) * 2001-02-06 2006-01-24 Agency For Science, Technology And Research Method and apparatus for semi-blind communication channel estimation
EP1384361A4 (de) * 2001-03-28 2009-12-16 Broadcom Corp System und verfahren für den terrestrischen hochauflösenden fernsehempfang
US6763493B2 (en) * 2001-09-21 2004-07-13 The Directv Group, Inc. Method and system for performing decoding using a reduced-memory implementation
US7035359B2 (en) * 2001-10-11 2006-04-25 Telefonaktiebolaget L.M. Ericsson Methods and apparatus for demodulation of a signal in a signal slot subject to a discontinuous interference signal
WO2003047032A1 (en) * 2001-11-29 2003-06-05 Interdigital Technology Corporation Efficient multiple input multiple output system for multi-path fading channels
US20040235423A1 (en) * 2003-01-14 2004-11-25 Interdigital Technology Corporation Method and apparatus for network management using perceived signal to noise and interference indicator
US7738848B2 (en) * 2003-01-14 2010-06-15 Interdigital Technology Corporation Received signal to noise indicator
US7620062B2 (en) * 2003-05-01 2009-11-17 Genesis Microchips Inc. Method of real time optimizing multimedia packet transmission rate
US8068485B2 (en) 2003-05-01 2011-11-29 Genesis Microchip Inc. Multimedia interface
US7068686B2 (en) 2003-05-01 2006-06-27 Genesis Microchip Inc. Method and apparatus for efficient transmission of multimedia data packets
US8204076B2 (en) * 2003-05-01 2012-06-19 Genesis Microchip Inc. Compact packet based multimedia interface
US7567592B2 (en) * 2003-05-01 2009-07-28 Genesis Microchip Inc. Packet based video display interface enumeration method
US20040218624A1 (en) * 2003-05-01 2004-11-04 Genesis Microchip Inc. Packet based closed loop video display interface with periodic status checks
US7733915B2 (en) * 2003-05-01 2010-06-08 Genesis Microchip Inc. Minimizing buffer requirements in a digital video system
US7405719B2 (en) * 2003-05-01 2008-07-29 Genesis Microchip Inc. Using packet transfer for driving LCD panel driver electronics
US7839860B2 (en) * 2003-05-01 2010-11-23 Genesis Microchip Inc. Packet based video display interface
US20040221315A1 (en) * 2003-05-01 2004-11-04 Genesis Microchip Inc. Video interface arranged to provide pixel data independent of a link character clock
US20040218599A1 (en) * 2003-05-01 2004-11-04 Genesis Microchip Inc. Packet based video display interface and methods of use thereof
US20040221312A1 (en) * 2003-05-01 2004-11-04 Genesis Microchip Inc. Techniques for reducing multimedia data packet overhead
US8059673B2 (en) * 2003-05-01 2011-11-15 Genesis Microchip Inc. Dynamic resource re-allocation in a packet based video display interface
US7088741B2 (en) * 2003-05-01 2006-08-08 Genesis Microchip Inc. Using an auxilary channel for video monitor training
US7424558B2 (en) * 2003-05-01 2008-09-09 Genesis Microchip Inc. Method of adaptively connecting a video source and a video display
US6992987B2 (en) * 2003-05-01 2006-01-31 Genesis Microchip Inc. Enumeration method for the link clock rate and the pixel/audio clock rate
US7487273B2 (en) * 2003-09-18 2009-02-03 Genesis Microchip Inc. Data packet based stream transport scheduler wherein transport data link does not include a clock line
US7800623B2 (en) * 2003-09-18 2010-09-21 Genesis Microchip Inc. Bypassing pixel clock generation and CRTC circuits in a graphics controller chip
US7634090B2 (en) * 2003-09-26 2009-12-15 Genesis Microchip Inc. Packet based high definition high-bandwidth digital content protection
US7613300B2 (en) * 2003-09-26 2009-11-03 Genesis Microchip Inc. Content-protected digital link over a single signal line
US20090094658A1 (en) * 2007-10-09 2009-04-09 Genesis Microchip Inc. Methods and systems for driving multiple displays
US20090262667A1 (en) * 2008-04-21 2009-10-22 Stmicroelectronics, Inc. System and method for enabling topology mapping and communication between devices in a network
US20100183004A1 (en) * 2009-01-16 2010-07-22 Stmicroelectronics, Inc. System and method for dual mode communication between devices in a network
US8429440B2 (en) * 2009-05-13 2013-04-23 Stmicroelectronics, Inc. Flat panel display driver method and system
US8760461B2 (en) 2009-05-13 2014-06-24 Stmicroelectronics, Inc. Device, system, and method for wide gamut color space support
US8860888B2 (en) * 2009-05-13 2014-10-14 Stmicroelectronics, Inc. Method and apparatus for power saving during video blanking periods
US8156238B2 (en) * 2009-05-13 2012-04-10 Stmicroelectronics, Inc. Wireless multimedia transport method and apparatus
US8291207B2 (en) * 2009-05-18 2012-10-16 Stmicroelectronics, Inc. Frequency and symbol locking using signal generated clock frequency and symbol identification
US8370554B2 (en) * 2009-05-18 2013-02-05 Stmicroelectronics, Inc. Operation of video source and sink with hot plug detection not asserted
US8582452B2 (en) 2009-05-18 2013-11-12 Stmicroelectronics, Inc. Data link configuration by a receiver in the absence of link training data
US8468285B2 (en) * 2009-05-18 2013-06-18 Stmicroelectronics, Inc. Operation of video source and sink with toggled hot plug detection
US8442169B2 (en) 2010-02-19 2013-05-14 Telefonaktiebolaget L M Ericsson (Publ) Blind SIR estimation using soft bit values
US8671234B2 (en) 2010-05-27 2014-03-11 Stmicroelectronics, Inc. Level shifting cable adaptor and chip system for use with dual-mode multi-media device
KR102151813B1 (ko) 2013-06-26 2020-09-03 삼성전자주식회사 통신 시스템에서의 안정적 신호 복조 방법 및 장치
KR102497232B1 (ko) * 2018-06-18 2023-02-07 삼성전자주식회사 신호 수신 회로 및 그것의 동작 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182753A (en) * 1990-03-20 1993-01-26 Telefonaktiebolaget L M Ericsson Method of transmitting signaling messages in a mobile radio communication system
CA2037824C (en) * 1990-03-20 1999-11-09 Hiroshi Kubo Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit
JP3172198B2 (ja) * 1991-03-01 2001-06-04 株式会社東芝 等化方式
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
US5239557A (en) * 1992-04-10 1993-08-24 Ericsson/Ge Mobile Communications Discountinuous CDMA reception
US5331666A (en) * 1992-06-08 1994-07-19 Ericsson Ge Mobile Communications Inc. Adaptive maximum likelihood demodulator
EP0582346A1 (de) * 1992-08-03 1994-02-09 Koninklijke Philips Electronics N.V. Übertragungssystem mit Detektion bei einer erhöhten Abtastgeschwindigkeit
US5335250A (en) * 1992-10-22 1994-08-02 Ericsson Ge Mobile Communications Inc. Method and apparatus for bidirectional demodulation of digitally modulated signals
US5432821A (en) * 1992-12-02 1995-07-11 University Of Southern California System and method for estimating data sequences in digital transmissions
JPH07123257B2 (ja) * 1992-12-25 1995-12-25 日本電気株式会社 ディジタルデータ復調装置
JP2649766B2 (ja) * 1993-01-20 1997-09-03 国際電信電話株式会社 等化後選択合成ダイバーシチ受信方式
US5375123A (en) * 1993-02-05 1994-12-20 Telefonakitebolaget L. M. Ericsson Allocation of channels using interference estimation
US5400362A (en) * 1993-03-29 1995-03-21 General Electric Company Double sided slot traversing decoding for time division multiple access (TDMA) radio systems
DE4311604C1 (de) * 1993-04-08 1994-07-28 Ant Nachrichtentech Zuverlässigkeitsgesteuerte Datendetektion in Empfängern für TDMA-Mobilfunksysteme
FI94810C (fi) * 1993-10-11 1995-10-25 Nokia Mobile Phones Ltd Menetelmä huonon GSM-puhekehyksen tunnistamiseksi
US5553102A (en) * 1994-12-01 1996-09-03 Motorola, Inc. Diversity reception communication system with maximum ratio combining method

Also Published As

Publication number Publication date
CN100403745C (zh) 2008-07-16
CA2274101A1 (en) 1998-06-11
US5909465A (en) 1999-06-01
CN1245606A (zh) 2000-02-23
EP1013037A1 (de) 2000-06-28
TW384587B (en) 2000-03-11
AU5518498A (en) 1998-06-29
WO1998025383A1 (en) 1998-06-11
DE69735602T2 (de) 2006-11-23
JP2001506072A (ja) 2001-05-08
EP1013037B1 (de) 2006-03-29

Similar Documents

Publication Publication Date Title
DE69735602D1 (de) Bidirektionell arbeitende methode und vorrichtung zur demodulation von digital modulierten signalen
DE69126071D1 (de) Verfahren und Einrichtung zur Demodulation von digitalem Modulationssignal
DE3873820T2 (de) Verfahren zur demodulation von digital modulierten signalen und vorrichtung zur durchfuehrung des verfahrens.
DE69825055D1 (de) Verfahren und vorrichtung zur gemeinsamen demodulation von nachbarkanal-signalen in digitalen kommunikationssystemen
DE69720910T2 (de) System und Methode zur Sammlung von Informationen
DE69533992D1 (de) Verfahren und Vorrichtung zur Übertragung von digitalen Signalen
DE69617075T2 (de) Verfahren und Schaltungsanordnung zur Demodulation von frequenzumgetasteten (FSK-)Signalen
HK1029458A1 (en) Apparatus and method for modulation/demodulation with consecutive minimum
FI981309A0 (fi) Laitteisto ja menetelmä moduloidun signaalin demoduloimiseksi
DE69633830D1 (de) Gerät zur demodulierung und dekodierung von videosignalen
DE19983742T1 (de) Schaltung und Verfahren zur I/Q-Modulation mit unabhängiger, hocheffizienter Amplitudenmodulation
DE19781681T1 (de) Verfahren und Gerät zur Aufbereitung von digital modulierten Signalen durch Kanalzeicheneinstellung
DE69736825D1 (de) Satellitensystem und Verfahren zur Überwachung des Leistungspegels unter Anwendung von digitaler Signalverarbeitung
DE69526392D1 (de) Verfahren zur digitalen Modulation/Demodulation und Gerät zur Verwendung desselben
DE69832629D1 (de) Verfahren und einrichtung zur demodulierung von datensymbolen
DE69829263D1 (de) Digitales Filter, Verfahren zur digitalen Signalverarbeitung und Kommunikationsgerät
DE69027400D1 (de) Gerät zur digitalen Modulation und Gerät zur digitalen Demodulation
DE69731354D1 (de) Empfänger, demodulator und demodulationsverfahren
DE69722381D1 (de) Vorrichtung zur umwandlung von signalen und verfahren dafür
DE69709556D1 (de) Verfahren und Vorrichtung zur Übertragung von digitalen Farbsignalen
DE69317137T2 (de) Einrichtung zur Demodulation von pi/4-QPSK-Signalen
DE69422178D1 (de) Verfahren zur demodulation von digital modulierten signalen und demodulator
DE69711410T2 (de) Verfahren und schaltung zur digitalen modulation sowie verfahren und schaltung zur digitalen demodulation
DE69731260D1 (de) Verfahren zur digitalen Differenzialdemodulation
DE69900517D1 (de) Verfahren und Vorrichtung zur digitalen Multinorm-Farbsignaldemodulation

Legal Events

Date Code Title Description
8364 No opposition during term of opposition