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FI934839A - Foerfarande och anordning foer aoterstaellning av klockan i en skillnadsmottagare - Google Patents

Foerfarande och anordning foer aoterstaellning av klockan i en skillnadsmottagare Download PDF

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Publication number
FI934839A
FI934839A FI934839A FI934839A FI934839A FI 934839 A FI934839 A FI 934839A FI 934839 A FI934839 A FI 934839A FI 934839 A FI934839 A FI 934839A FI 934839 A FI934839 A FI 934839A
Authority
FI
Finland
Prior art keywords
clutching
clothing
procedure
adjustment
Prior art date
Application number
FI934839A
Other languages
English (en)
Finnish (fi)
Other versions
FI934839A0 (fi
Inventor
Henry L Kazecki
John W Diehl
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of FI934839A publication Critical patent/FI934839A/fi
Publication of FI934839A0 publication Critical patent/FI934839A0/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity 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
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
    • H04B7/0888—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity with selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Communication Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FI934839A 1992-03-02 1993-11-02 Foerfarande och anordning foer aoterstaellning av klockan i en skillnadsmottagare FI934839A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84408492A 1992-03-02 1992-03-02
PCT/US1993/001698 WO1993018593A1 (fr) 1992-03-02 1993-02-26 Procede et appareil de recuperation d'horloge dans un dispositif de reception en diversite

Publications (2)

Publication Number Publication Date
FI934839A true FI934839A (fi) 1993-11-02
FI934839A0 FI934839A0 (fi) 1993-11-02

Family

ID=25291769

Family Applications (1)

Application Number Title Priority Date Filing Date
FI934839A FI934839A0 (fi) 1992-03-02 1993-11-02 Foerfarande och anordning foer aoterstaellning av klockan i en skillnadsmottagare

Country Status (10)

Country Link
US (1) US5488638A (fr)
JP (1) JPH06507537A (fr)
CA (1) CA2107766C (fr)
DE (1) DE4390988T1 (fr)
FI (1) FI934839A0 (fr)
FR (1) FR2688961B1 (fr)
GB (1) GB2271249B (fr)
IT (1) IT1261773B (fr)
SE (1) SE9303579L (fr)
WO (1) WO1993018593A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841816A (en) * 1992-10-22 1998-11-24 Ericsson Inc. Diversity Pi/4-DQPSK demodulation
JP3444444B2 (ja) * 1994-09-30 2003-09-08 ソニー株式会社 通信端末装置
US6738364B1 (en) * 1996-01-31 2004-05-18 Nokia Mobile Phones Limited Radio receivers and methods of operation
JP3288574B2 (ja) * 1996-02-26 2002-06-04 松下電器産業株式会社 データ受信装置
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
US5960046A (en) * 1996-12-03 1999-09-28 Northern Telecom Limited Preamble based selection diversity in a time division multiple access radio system
US6084929A (en) * 1996-12-12 2000-07-04 Ericsson Inc. Method and apparatus for channel tracking
US6128355A (en) * 1997-05-21 2000-10-03 Telefonaktiebolget Lm Ericsson Selective diversity combining
JP3582533B2 (ja) * 1997-06-20 2004-10-27 アーベーベー・パテント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 冗長シリアルバスとその動作方法
US6081822A (en) * 1998-03-11 2000-06-27 Agilent Technologies, Inc. Approximating signal power and noise power in a system
US6285707B1 (en) * 1998-05-15 2001-09-04 3Com Corporation Temperature compensation for communications cards
US6167243A (en) * 1998-07-01 2000-12-26 Nortel Networks Limited Diversity combining in a communications system
DE69834211T2 (de) * 1998-12-24 2006-12-28 Nokia Corp. Vorrichtung und verfahren zur verminderung der amplitude von signalen
US6546026B1 (en) * 1999-06-17 2003-04-08 Lucent Technologies Inc. Multi-diversity synchronization technique for improving synchronization performance in wireless applications over fading channels
JP3796076B2 (ja) * 1999-09-07 2006-07-12 松下電器産業株式会社 Ｏｆｄｍ通信装置
JP2001111465A (ja) * 1999-10-06 2001-04-20 Fujitsu Ltd 無線受信機およびダイバーシチ受信機
JP3461150B2 (ja) * 2000-03-01 2003-10-27 双葉電子工業株式会社 スペースホッピング受信方式と受信電波推定方法
US20020131536A1 (en) * 2001-03-15 2002-09-19 Koninklijke Philips Electronics N.V. Method and apparatus for timing recovery in signal combiner
ITMI20010615A1 (it) * 2001-03-23 2002-09-23 Cit Alcatel Metodo per la selezione del segnale di sincronismo in un combinatore in bande base e relativo combinatore in banda base
US6763229B2 (en) * 2001-05-02 2004-07-13 Koninklijke Philips Electronics N.V. Timing recovery switching for an adaptive digital broadband beamforming (antenna diversity) for ATSC terrestrial DTV based on segment sync detection
AU2002349638A1 (en) * 2001-11-20 2003-06-10 Sanyo Electric Co., Ltd. Radio reception apparatus, symbol timing control method, and symbol timing control program
US7809087B2 (en) * 2002-04-26 2010-10-05 Qualcomm, Incorporated Power detection techniques and discrete gain state selection for wireless networking
US7492843B2 (en) * 2004-06-02 2009-02-17 Texas Instruments Incorporated Method of synchronization for packet based, OFDM wireless systems with multiple receive chains
US7924909B2 (en) * 2004-06-02 2011-04-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for interference cancellation in wireless receivers
US20060034271A1 (en) * 2004-08-16 2006-02-16 Texas Instruments Incorporated Packet detection system and method for packet-based wireless receivers having multiple receive chains
JP4079197B1 (ja) * 2007-02-06 2008-04-23 松下電器産業株式会社 受信装置とこれを用いた受信システム
US9014305B2 (en) * 2011-06-23 2015-04-21 Texas Instruments Incorporated Bi-phase communication demodulation techniques

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213370A (en) * 1961-03-13 1965-10-19 Ibm Signal selecting system with switching at the interstice between data increments
US3783385A (en) * 1972-11-28 1974-01-01 Itt Digital diversity combiner
JPS5439093B2 (fr) * 1974-08-24 1979-11-26
JPS5542790B2 (fr) * 1975-01-09 1980-11-01
JPS5732535B2 (fr) * 1975-02-17 1982-07-12
US4704734A (en) * 1986-02-18 1987-11-03 Motorola, Inc. Method and apparatus for signal strength measurement and antenna selection in cellular radiotelephone systems
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5031193A (en) * 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5195106A (en) * 1990-11-14 1993-03-16 Motorola, Inc. Method for channel adaptive detecting/equalize

Also Published As

Publication number Publication date
ITRM930129A0 (it) 1993-03-02
GB9320715D0 (en) 1994-01-05
IT1261773B (it) 1996-06-03
CA2107766A1 (fr) 1993-09-03
DE4390988T1 (de) 1997-07-31
CA2107766C (fr) 1998-07-07
FR2688961B1 (fr) 1996-10-04
FR2688961A1 (fr) 1993-09-24
GB2271249A (en) 1994-04-06
SE9303579L (sv) 1993-12-27
WO1993018593A1 (fr) 1993-09-16
ITRM930129A1 (it) 1994-09-02
JPH06507537A (ja) 1994-08-25
US5488638A (en) 1996-01-30
SE9303579D0 (sv) 1993-11-01
GB2271249B (en) 1995-11-01
FI934839A0 (fi) 1993-11-02

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