ATE283591T1 - Taktauswahlverfahren und entsprechender basisbandkombinierer - Google Patents

Taktauswahlverfahren und entsprechender basisbandkombinierer

Info

Publication number
ATE283591T1
ATE283591T1 AT02290390T AT02290390T ATE283591T1 AT E283591 T1 ATE283591 T1 AT E283591T1 AT 02290390 T AT02290390 T AT 02290390T AT 02290390 T AT02290390 T AT 02290390T AT E283591 T1 ATE283591 T1 AT E283591T1
Authority
AT
Austria
Prior art keywords
signal
selection method
diversity
clock selection
baseband combiner
Prior art date
Application number
AT02290390T
Other languages
English (en)
Inventor
Morena Ferrario
Roberto Pellizzoni
Roberto Valtolina
Arnaldo Spalvieri
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE283591T1 publication Critical patent/ATE283591T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842Weighted combining
    • H04B7/0845Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0079Receiver details
    • H04L7/0083Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334Processing of samples having at least three levels, e.g. soft decisions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334Processing of samples having at least three levels, e.g. soft decisions
    • H04L7/0335Gardner detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Selective Calling Equipment (AREA)
  • Transmitters (AREA)
AT02290390T 2001-03-23 2002-02-19 Taktauswahlverfahren und entsprechender basisbandkombinierer ATE283591T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001MI000615A ITMI20010615A1 (it) 2001-03-23 2001-03-23 Metodo per la selezione del segnale di sincronismo in un combinatore in bande base e relativo combinatore in banda base

Publications (1)

Publication Number Publication Date
ATE283591T1 true ATE283591T1 (de) 2004-12-15

Family

ID=11447346

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02290390T ATE283591T1 (de) 2001-03-23 2002-02-19 Taktauswahlverfahren und entsprechender basisbandkombinierer

Country Status (5)

Country Link
US (1) US7035362B2 (de)
EP (1) EP1244245B1 (de)
AT (1) ATE283591T1 (de)
DE (1) DE60202009T2 (de)
IT (1) ITMI20010615A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8848671B2 (en) * 2011-08-09 2014-09-30 Motorola Mobility Llc Apparatus and method of using CDMA architecture for 3GPP2 compliant transceivers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879664A (en) * 1973-05-07 1975-04-22 Signatron High speed digital communication receiver
JPH04150320A (ja) * 1990-10-11 1992-05-22 Nec Corp ダイバシティ受信装置
GB2271249B (en) * 1992-03-02 1995-11-01 Motorola Inc Clock recovery method and apparatus in a diversity receiver
JP2511370B2 (ja) * 1993-02-26 1996-06-26 富士通株式会社 受信回路
JP3286885B2 (ja) * 1995-11-07 2002-05-27 三菱電機株式会社 タイミング再生手段及びダイバーシティ通信装置
JPH1013254A (ja) * 1996-06-20 1998-01-16 Saitama Nippon Denki Kk 遅延検波合成ダイバーシチ回路
JP3464606B2 (ja) * 1998-03-31 2003-11-10 松下電器産業株式会社 無線通信装置及び無線通信方法
JP3554207B2 (ja) * 1998-11-10 2004-08-18 松下電器産業株式会社 無線通信装置及び無線通信方法
IT1313297B1 (it) * 1999-09-28 2002-07-17 Cit Alcatel Equalizzazione adattiva aiutata dai dati ed indipendente dalla faseper sistemi di trasmissione dati.
JP3805205B2 (ja) * 2000-04-06 2006-08-02 株式会社エヌ・ティ・ティ・ドコモ Cdmaセルラ方式における通信品質測定方法およびその装置

Also Published As

Publication number Publication date
DE60202009T2 (de) 2006-03-02
EP1244245A1 (de) 2002-09-25
US7035362B2 (en) 2006-04-25
EP1244245B1 (de) 2004-11-24
DE60202009D1 (de) 2004-12-30
US20020163982A1 (en) 2002-11-07
ITMI20010615A1 (it) 2002-09-23
ITMI20010615A0 (it) 2001-03-23

Similar Documents

Publication Publication Date Title
AU2001275988A1 (en) Method and apparatus for processing a modulated signal using an equalizer and a rake receiver
EP2296279A3 (de) Taktrückgewinnungsschaltung mit wählbarer Phasenregelung
CA2380264A1 (en) Method and apparatus for reducing frame error rate
WO2002027958A3 (en) Method and apparatus for processing paging indicator bits transmitted on a quick paging channel
MY124888A (en) Baseband processors and methods and systems for decoding a received signal having a transmitter or channel induced coupling between bits
WO2003056741A3 (en) Apparatus and method for a low-rate data transmission mode over a power line
FI965244A0 (fi) Monipolkuhäiriöiden kompensointi pilottisymboleja käyttäen
IL155850A0 (en) Method and apparatus for processing a received signal in a communications system
EP1499046A3 (de) Hochgenaues Taktgeneratorsystem und Taktgeneratorverfahren
EP1041691A3 (de) Optische Übertragungsschaltung mit Halbleiterlaser
ATE355669T1 (de) Empfänger zur rückgewinnung von in einem seriellen kommunikationskanal kodierten daten
DE60205650T2 (de) Zf-basierter adaptiver asynchroner empfänger
CA2405481A1 (en) Enhanced slice prediction feedback
WO2005006574A3 (en) Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication
AU2001231482A1 (en) Method for filtering used in a digital phase locked loop
WO2002009315A1 (fr) Appareil recepteur et procede de reception pour communication radio
MXPA03009272A (es) Un sistema de rastreo de fase.
ATE437528T1 (de) Vertikale anhebung und skalierung kombinierendes polyphasenfilter in einer pixelverarbeitungsvorrichtung
WO2004047461A3 (en) Communication system and method using signal to noise ratio estimation for scaling in processing received wireless communication signals
AU2001237489A1 (en) Method and device for estimating channel propagation
DE50006592D1 (de) Verfahren und einrichtung zur entzerrung und dekodierung eines datensignals
ATE283591T1 (de) Taktauswahlverfahren und entsprechender basisbandkombinierer
JPH07183838A (ja) 適応型最尤系列推定器
ATE266287T1 (de) Quadraturmodulator mit programmierbarer pulsformung
EP1244216A3 (de) ÜberabtastendeTaktrückgewinnungsschaltung für sowohl hochratige als auch niederratige Daten

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties