DK0664939T3 - Kombinationsindretning med blandet kombinationsstrategi til modtagere, som fungerer i digitale radioforbindelser og som er beskyttet med rumlig eller vinkelmæssig diversitet - Google Patents

Kombinationsindretning med blandet kombinationsstrategi til modtagere, som fungerer i digitale radioforbindelser og som er beskyttet med rumlig eller vinkelmæssig diversitet

Info

Publication number
DK0664939T3
DK0664939T3 DK93922923.3T DK93922923T DK0664939T3 DK 0664939 T3 DK0664939 T3 DK 0664939T3 DK 93922923 T DK93922923 T DK 93922923T DK 0664939 T3 DK0664939 T3 DK 0664939T3
Authority
DK
Denmark
Prior art keywords
pct
dispersion
receivers
protected
strategy
Prior art date
Application number
DK93922923.3T
Other languages
Danish (da)
English (en)
Inventor
Antonio Bernasconi
Lago Antonella Dal
Maria Pia Sirtori
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Application granted granted Critical
Publication of DK0664939T3 publication Critical patent/DK0664939T3/da

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
    • H04B7/0837—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
    • H04B7/0851—Joint weighting using training sequences or error signal
    • 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
    • H04B7/084—Equal gain combining, only phase adjustments

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
  • Structure Of Receivers (AREA)
DK93922923.3T 1992-10-14 1993-10-08 Kombinationsindretning med blandet kombinationsstrategi til modtagere, som fungerer i digitale radioforbindelser og som er beskyttet med rumlig eller vinkelmæssig diversitet DK0664939T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922347A IT1255862B (it) 1992-10-14 1992-10-14 Combinatore a strategia di combinazione mista per ricevitori operanti in ponti radio digitali ad alta capacita' protetti con diversita' di spazio o d'angolo

Publications (1)

Publication Number Publication Date
DK0664939T3 true DK0664939T3 (da) 1997-03-10

Family

ID=11364103

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93922923.3T DK0664939T3 (da) 1992-10-14 1993-10-08 Kombinationsindretning med blandet kombinationsstrategi til modtagere, som fungerer i digitale radioforbindelser og som er beskyttet med rumlig eller vinkelmæssig diversitet

Country Status (15)

Country Link
US (1) US5668839A (de)
EP (1) EP0664939B1 (de)
CN (1) CN1087765A (de)
AT (1) ATE146920T1 (de)
AU (1) AU677242B2 (de)
BR (1) BR9307233A (de)
DE (1) DE69306970T2 (de)
DK (1) DK0664939T3 (de)
ES (1) ES2096333T3 (de)
FI (1) FI951797A0 (de)
GR (1) GR3022861T3 (de)
IT (1) IT1255862B (de)
NO (1) NO309630B1 (de)
WO (1) WO1994009573A1 (de)
ZA (1) ZA937508B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3576676B2 (ja) * 1996-01-31 2004-10-13 三菱電機株式会社 ダイバーシチ受信機
AU695952B2 (en) * 1996-03-05 1998-08-27 Kabushiki Kaisha Toshiba Radio communications apparatus with a combining diversity
DE19837426C2 (de) * 1998-08-18 2001-12-06 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Senden von Informationssymbolen mittels einer Mehrzahl von Trägern und Verfahren und Vorrichtung zum Empfangen von Informationssymbolen
US6560299B1 (en) * 1999-07-30 2003-05-06 Christopher H Strolle Diversity receiver with joint signal processing
IT1318275B1 (it) * 2000-07-28 2003-07-28 Siemens Inf & Comm Networks Procedimento di ottimizzazione della combinazione dei segnali diricezione nei radioricevitori in diversita' di spazio sulla base della
IT1318274B1 (it) * 2000-07-28 2003-07-28 Siemens Inf & Comm Networks Procedimento per automatizzare l'equalizzazione preliminare deisegnali combinati nei radioricevitori in diversita' di spazio.
US20070259636A1 (en) * 2000-10-27 2007-11-08 Fisher Daniel E RF bridge for an angle rate interferometer
US6694131B1 (en) * 2001-02-21 2004-02-17 Mitsubishi Electric Corporation Method and apparatus for adaptive image rejection
JP3933953B2 (ja) * 2002-02-08 2007-06-20 パイオニア株式会社 複数の局部発振周波数を用いる受信機のａｇｃ回路
US6871304B2 (en) * 2002-08-12 2005-03-22 Nortel Networks Limited Method and apparatus for adjusting receiver voltage threshold and phase sampling point using FEC counts
KR100548321B1 (ko) * 2003-01-07 2006-02-02 엘지전자 주식회사 동위상 합성 다이버시티 수신 장치 및 방법
EP2547004A3 (de) * 2003-07-21 2013-04-10 Broadcom Corporation Gewichtserzeugungsverfahren für Kommunikationssysteme mit mehreren Antennen unter Verwendung einer HF-gestützten und Basisband-signalgewichtung und Kombinierung auf der Basis einer Minimalbitfehlerrate
US6885322B2 (en) * 2003-08-05 2005-04-26 Motorola, Inc. Apparatus and method for transmitter phase shift compensation
GB0508205D0 (en) * 2005-04-22 2005-06-01 Ttp Communications Ltd Assessing the performance of radio devices
US8862081B2 (en) * 2007-01-19 2014-10-14 Wi-Lan, Inc. Transceiver with receive path performance diversity and combiner with jammer detect feedback
US8570920B2 (en) * 2010-09-30 2013-10-29 Aviat U.S., Inc. Systems and methods for combining signals from multiple active wireless receivers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326294A (en) * 1979-02-13 1982-04-20 Nippon Telegraph & Telephone Public Corporation Space diversity reception system having compensation means of multipath effect
US4261056A (en) * 1979-07-16 1981-04-07 Bell Telephone Laboratories, Incorporated Equalizing signal combiner
US4354276A (en) * 1980-09-24 1982-10-12 Bell Telephone Laboratories, Incorporated Equalizing signal combiner

Also Published As

Publication number Publication date
EP0664939B1 (de) 1996-12-27
ATE146920T1 (de) 1997-01-15
NO951279D0 (no) 1995-04-03
CN1087765A (zh) 1994-06-08
ES2096333T3 (es) 1997-03-01
ITMI922347A0 (it) 1992-10-14
FI951797A (fi) 1995-04-13
DE69306970T2 (de) 1997-06-12
NO309630B1 (no) 2001-02-26
NO951279L (no) 1995-04-03
GR3022861T3 (en) 1997-06-30
US5668839A (en) 1997-09-16
ITMI922347A1 (it) 1994-04-14
IT1255862B (it) 1995-11-17
ZA937508B (en) 1994-05-03
AU677242B2 (en) 1997-04-17
BR9307233A (pt) 1999-10-13
FI951797A0 (fi) 1995-04-13
EP0664939A1 (de) 1995-08-02
WO1994009573A1 (en) 1994-04-28
DE69306970D1 (de) 1997-02-06
AU5176293A (en) 1994-05-09

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