ZA937508B - Mixed-combination-strategy combiner for receivers operating in high capacity digital radio links and protected with space or angle diversity - Google Patents

Mixed-combination-strategy combiner for receivers operating in high capacity digital radio links and protected with space or angle diversity

Info

Publication number
ZA937508B
ZA937508B ZA937508A ZA937508A ZA937508B ZA 937508 B ZA937508 B ZA 937508B ZA 937508 A ZA937508 A ZA 937508A ZA 937508 A ZA937508 A ZA 937508A ZA 937508 B ZA937508 B ZA 937508B
Authority
ZA
South Africa
Prior art keywords
pct
combiner
dispersion
strategy
receivers
Prior art date
Application number
ZA937508A
Other languages
English (en)
Inventor
Antonio Bernasconi
Antonella Dal Lago
Maria Pia Sirtori
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of ZA937508B publication Critical patent/ZA937508B/xx

Links

Classifications

    • 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
    • H04B7/0848Joint weighting
    • H04B7/0851Joint weighting using training sequences or error signal
    • 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
    • H04B7/084Equal gain combining, only phase adjustments
ZA937508A 1992-10-14 1993-10-11 Mixed-combination-strategy combiner for receivers operating in high capacity digital radio links and protected with space or angle diversity ZA937508B (en)

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
ZA937508B true ZA937508B (en) 1994-05-03

Family

ID=11364103

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA937508A ZA937508B (en) 1992-10-14 1993-10-11 Mixed-combination-strategy combiner for receivers operating in high capacity digital radio links and protected with space or angle diversity

Country Status (15)

Country Link
US (1) US5668839A (es)
EP (1) EP0664939B1 (es)
CN (1) CN1087765A (es)
AT (1) ATE146920T1 (es)
AU (1) AU677242B2 (es)
BR (1) BR9307233A (es)
DE (1) DE69306970T2 (es)
DK (1) DK0664939T3 (es)
ES (1) ES2096333T3 (es)
FI (1) FI951797A (es)
GR (1) GR3022861T3 (es)
IT (1) IT1255862B (es)
NO (1) NO309630B1 (es)
WO (1) WO1994009573A1 (es)
ZA (1) ZA937508B (es)

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
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.
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
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
EP1656757A4 (en) * 2003-07-21 2011-12-28 Broadcom Corp WEIGHT GENERATING METHOD FOR MULTIPLE ANTENNA COMMUNICATION SYSTEMS USING THE WEIGHTING AND COMBINATION OF RF BASED BASE-BASED SIGNALS BASED ON MINIMUM BINARY ERROR RATE
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
ITMI922347A0 (it) 1992-10-14
FI951797A0 (fi) 1995-04-13
GR3022861T3 (en) 1997-06-30
IT1255862B (it) 1995-11-17
ES2096333T3 (es) 1997-03-01
ATE146920T1 (de) 1997-01-15
AU5176293A (en) 1994-05-09
DE69306970D1 (de) 1997-02-06
WO1994009573A1 (en) 1994-04-28
BR9307233A (pt) 1999-10-13
FI951797A (fi) 1995-04-13
DE69306970T2 (de) 1997-06-12
NO951279L (no) 1995-04-03
DK0664939T3 (da) 1997-03-10
ITMI922347A1 (it) 1994-04-14
NO951279D0 (no) 1995-04-03
EP0664939A1 (en) 1995-08-02
CN1087765A (zh) 1994-06-08
NO309630B1 (no) 2001-02-26
US5668839A (en) 1997-09-16
EP0664939B1 (en) 1996-12-27
AU677242B2 (en) 1997-04-17

Similar Documents

Publication Publication Date Title
ZA937508B (en) Mixed-combination-strategy combiner for receivers operating in high capacity digital radio links and protected with space or angle diversity
US5937335A (en) Transmission and reception apparatus having a single phase-locked loop and method thereof
EP0792542B1 (en) Full-duplex radio transmitter/receiver
US7058368B2 (en) Adaptive feedforward noise cancellation circuit
US5771442A (en) Dual mode transmitter
KR101004198B1 (ko) 누설 신호 상쇄 장치
US5644268A (en) Feed forward RF amplifier for combined signal and error amplification
EP1677417A1 (en) Amplifier circuit
KR20010012138A (ko) 효율적 신호 전력 증폭을 위한 장치 및 방법
JP2005101940A (ja) 増幅回路
US5329259A (en) Efficient amplitude/phase modulation amplifier
CA2194621C (en) Sequential gain transceiver
KR980012970A (ko) 전력 소모가 적고 회로 크기가 작은 송신 장치
EP1193860B1 (en) Feedforward type linearizer
US20110021135A1 (en) Rf redirection module and system incorporating the rf redirection module
CA2120174C (en) Device for testing an amplifier
JPH09294144A (ja) ディジタル無線装置
WO2007080641A1 (ja) 送信波除去装置
KR100375315B1 (ko) 왜곡을 감소시키는 믹서
KR100249676B1 (ko) 국부 발진신호의 누설 신호 소거장치
JPH07336268A (ja) デュアルモード無線機
KR100418251B1 (ko) 전파탐지장치(beacon)
JP2001244751A (ja) 電力増幅器
KR100521414B1 (ko) 최적화된 카테시안 피드백 루프를 이용한 직접변환 송신시스템
JPH09200276A (ja) 無線機