DE69532577D1 - Verfahren zur verzögerungsdemodulation von dpsk-wellen mit linearer prädiktion - Google Patents

Verfahren zur verzögerungsdemodulation von dpsk-wellen mit linearer prädiktion

Info

Publication number
DE69532577D1
DE69532577D1 DE69532577T DE69532577T DE69532577D1 DE 69532577 D1 DE69532577 D1 DE 69532577D1 DE 69532577 T DE69532577 T DE 69532577T DE 69532577 T DE69532577 T DE 69532577T DE 69532577 D1 DE69532577 D1 DE 69532577D1
Authority
DE
Germany
Prior art keywords
dpsk
shafts
linear prediction
delay demodulation
demodulation
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
DE69532577T
Other languages
English (en)
Other versions
DE69532577T2 (de
Inventor
Fumiyuki Adachi
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.)
NTT Docomo Inc
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Mobile Communications Networks 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
Priority claimed from JP06186098A external-priority patent/JP3141916B2/ja
Priority claimed from JP06205047A external-priority patent/JP3141917B2/ja
Application filed by Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69532577D1 publication Critical patent/DE69532577D1/de
Application granted granted Critical
Publication of DE69532577T2 publication Critical patent/DE69532577T2/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
    • H04L25/03184—Details concerning the metric
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
DE69532577T 1994-08-08 1995-08-01 Verfahren zur verzögerungsdemodulation von dpsk-wellen mit linearer prädiktion Expired - Lifetime DE69532577T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP18609894 1994-08-08
JP06186098A JP3141916B2 (ja) 1994-08-08 1994-08-08 Ｄｐｓｋ波線形予測遅延検波方法
JP20504794 1994-08-30
JP06205047A JP3141917B2 (ja) 1994-08-30 1994-08-30 Ｄｐｓｋ波適応遅延検波方法
PCT/JP1995/001517 WO1996005680A1 (fr) 1994-08-08 1995-08-01 Procede de detection de retard a prediction lineaire des ondes a modulation de phase differentielle (mdpd)

Publications (2)

Publication Number Publication Date
DE69532577D1 true DE69532577D1 (de) 2004-03-25
DE69532577T2 DE69532577T2 (de) 2004-12-16

Family

ID=26503533

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69532577T Expired - Lifetime DE69532577T2 (de) 1994-08-08 1995-08-01 Verfahren zur verzögerungsdemodulation von dpsk-wellen mit linearer prädiktion

Country Status (5)

Country Link
US (1) US5654667A (de)
EP (1) EP0723353B1 (de)
CN (1) CN1086088C (de)
DE (1) DE69532577T2 (de)
WO (1) WO1996005680A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822375A (en) * 1996-05-28 1998-10-13 Wei; Ruey-Yi Method for detecting received signal sequences
JP3285775B2 (ja) * 1996-10-14 2002-05-27 沖電気工業株式会社 通信システム
FR2767983B1 (fr) * 1997-08-26 1999-10-08 Alsthom Cge Alcatel Procede de decodage et de synchronisation de phase simultanes exploitant le critere de maximum de vraisemblance et dispositif correspondant
US6038269A (en) * 1997-11-20 2000-03-14 National Semiconductor Corporation Detection for digital communication receivers
US6115418A (en) 1998-02-09 2000-09-05 National Semiconductor Corporation Simplified equalizer for twisted pair channel
US6415003B1 (en) 1998-09-11 2002-07-02 National Semiconductor Corporation Digital baseline wander correction circuit
US6438163B1 (en) 1998-09-25 2002-08-20 National Semiconductor Corporation Cable length and quality indicator
US6418172B1 (en) 1999-04-21 2002-07-09 National Semiconductor Corporation Look-ahead maximum likelihood sequence estimation decoder
US6580768B1 (en) 1999-11-09 2003-06-17 International Business Machines Corporation Adaptive maximum likelihood detection
US7050517B1 (en) 2000-04-28 2006-05-23 National Semiconductor Corporation System and method suitable for receiving gigabit ethernet signals
US7254198B1 (en) 2000-04-28 2007-08-07 National Semiconductor Corporation Receiver system having analog pre-filter and digital equalizer
GB2385754B (en) * 2002-02-25 2005-01-12 Toshiba Res Europ Ltd Adaptive modulation for wireless networks
GB0214729D0 (en) * 2002-06-26 2002-08-07 Koninkl Philips Electronics Nv Digital receiver arrangement and related method
EP1529388A1 (de) * 2002-08-02 2005-05-11 Koninklijke Philips Electronics N.V. Von einem nichtlinearen kompensator gefolgter differenz-decodierer
EP1566033B1 (de) * 2002-11-27 2006-10-25 Research In Motion Limited Verfahren und system zum anwenden von viterbi-typ psk-demodulation für optimale correlation von gps-signalen
DE102004061857A1 (de) * 2004-09-28 2006-04-06 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Trägerfrequenzsynchronisierung eines Offset-Quadraturphasenmodulierten Signals
US7430084B2 (en) * 2004-12-03 2008-09-30 International Business Machines Corporation Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML viterbi detector
CN101527573B (zh) * 2009-04-29 2012-01-11 威盛电子股份有限公司 维特比解码器
US8811546B2 (en) * 2012-06-08 2014-08-19 Rockwell Collins, Inc. Adaptive reference symbol method and apparatus for a receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6452670A (en) * 1987-08-24 1989-02-28 Seiko Epson Corp Humidity sensor
JPS6477928A (en) * 1987-09-18 1989-03-23 Daido Steel Co Ltd Manufacture of semiconductor element
DE69232647T2 (de) * 1991-03-20 2002-11-28 Sony Corp Demodulator zur Demodulierung eines pi/4-umgetasteten DQPSK-Signals
JP2938289B2 (ja) * 1992-10-30 1999-08-23 エヌ・ティ・ティ移動通信網株式会社 同期検波回路
JPH06177928A (ja) * 1992-12-07 1994-06-24 N T T Idou Tsuushinmou Kk 検波器
US5619167A (en) * 1994-06-23 1997-04-08 Ntt Mobile Communications Network, Inc. Maximum likelihood decoding coherent detection method

Also Published As

Publication number Publication date
US5654667A (en) 1997-08-05
EP0723353A4 (de) 1998-03-25
DE69532577T2 (de) 2004-12-16
EP0723353B1 (de) 2004-02-18
CN1132013A (zh) 1996-09-25
EP0723353A1 (de) 1996-07-24
CN1086088C (zh) 2002-06-05
WO1996005680A1 (fr) 1996-02-22

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