IL112233A - Adaptive polarization diversity system - Google Patents

Adaptive polarization diversity system

Info

Publication number
IL112233A
IL112233A IL112233A IL11223395A IL112233A IL 112233 A IL112233 A IL 112233A IL 112233 A IL112233 A IL 112233A IL 11223395 A IL11223395 A IL 11223395A IL 112233 A IL112233 A IL 112233A
Authority
IL
Israel
Prior art keywords
polarization diversity
diversity system
adaptive polarization
adaptive
polarization
Prior art date
Application number
IL112233A
Other languages
English (en)
Other versions
IL112233A0 (en
Original Assignee
State Rafaelel Ministry Of Def
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 State Rafaelel Ministry Of Def filed Critical State Rafaelel Ministry Of Def
Priority to IL112233A priority Critical patent/IL112233A/xx
Publication of IL112233A0 publication Critical patent/IL112233A0/xx
Priority to US08/577,407 priority patent/US5691727A/en
Priority to DE19548941A priority patent/DE19548941C2/de
Priority to JP7342489A priority patent/JPH09162793A/ja
Publication of IL112233A publication Critical patent/IL112233A/xx

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
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
IL112233A 1995-01-03 1995-01-03 Adaptive polarization diversity system IL112233A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IL112233A IL112233A (en) 1995-01-03 1995-01-03 Adaptive polarization diversity system
US08/577,407 US5691727A (en) 1995-01-03 1995-12-22 Adaptive polarization diversity system
DE19548941A DE19548941C2 (de) 1995-01-03 1995-12-28 Adaptives Polarisationsdiversitysystem
JP7342489A JPH09162793A (ja) 1995-01-03 1995-12-28 無線リンク通信のための適合型偏波ダイバーシティシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL112233A IL112233A (en) 1995-01-03 1995-01-03 Adaptive polarization diversity system

Publications (2)

Publication Number Publication Date
IL112233A0 IL112233A0 (en) 1995-12-08
IL112233A true IL112233A (en) 1998-02-22

Family

ID=11066967

Family Applications (1)

Application Number Title Priority Date Filing Date
IL112233A IL112233A (en) 1995-01-03 1995-01-03 Adaptive polarization diversity system

Country Status (4)

Country Link
US (1) US5691727A (xx)
JP (1) JPH09162793A (xx)
DE (1) DE19548941C2 (xx)
IL (1) IL112233A (xx)

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US5878346A (en) * 1992-03-06 1999-03-02 Aircell Incorporated Nonterrestrial cellular mobile telecommunication network
US6144711A (en) * 1996-08-29 2000-11-07 Cisco Systems, Inc. Spatio-temporal processing for communication
US6839543B1 (en) * 1996-09-09 2005-01-04 Victory Industrial Corporation Method and system for detecting and discriminating multipath signals
DE59605654D1 (de) * 1996-09-20 2000-08-31 Siemens Ag Polarisationsdiversity-System für Mobilkommunikation mit adaptiver Gestaltung der Abstrahlungscharakteristik
US5805106A (en) * 1997-01-03 1998-09-08 Trw Inc. Dual polarization wave clutter reduction
US5872540A (en) * 1997-06-26 1999-02-16 Electro-Radiation Incorporated Digital interference suppression system for radio frequency interference cancellation
IT1295010B1 (it) * 1997-09-10 1999-04-27 Siae Microelettronica Spa Sistema e metodo di telecomunicazione utilizzante ponti radio
FR2774217B1 (fr) * 1998-01-23 2000-04-14 Thomson Csf Procede de detection cyclique en diversite de polarisation de signaux radioelectriques numeriques cyclostationnaires
US5995044A (en) * 1998-05-01 1999-11-30 Novatel, Inc. Method and apparatus for characterizing multipath interference in circularly polarized signals
FR2780844B1 (fr) * 1998-07-06 2000-09-29 Sfr Sa Terminal mobile de radiocommunication comprenant au moins deux antennes presentant une diversite de polarisations pour la reception de signaux
KR20010082514A (ko) * 1998-12-24 2001-08-30 오카야마 노리오 노차간통신시스템
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
GB2350018B (en) * 1999-05-08 2003-07-30 Motorola Ltd A method of and apparatus for estimating a characteristic of a signal
US6754511B1 (en) * 2000-02-04 2004-06-22 Harris Corporation Linear signal separation using polarization diversity
US6526278B1 (en) 2000-03-03 2003-02-25 Motorola, Inc. Mobile satellite communication system utilizing polarization diversity combining
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
US6486828B1 (en) * 2000-07-26 2002-11-26 Western Multiplex Adaptive array antenna nulling
US6823170B1 (en) * 2000-07-26 2004-11-23 Ericsson Inc. Satellite communications system using multiple earth stations
US7342875B2 (en) * 2000-11-06 2008-03-11 The Directv Group, Inc. Space-time coded OFDM system for MMDS applications
CN1159864C (zh) * 2000-12-21 2004-07-28 松下电器产业株式会社 基站设备
US6870515B2 (en) 2000-12-28 2005-03-22 Nortel Networks Limited MIMO wireless communication system
US7493143B2 (en) * 2001-05-07 2009-02-17 Qualcomm Incorporated Method and system for utilizing polarization reuse in wireless communications
US20020198026A1 (en) * 2001-06-20 2002-12-26 Nokia Corporation Method, communications system, and base station for transmitting signals with transmit diversity
US7006789B2 (en) * 2001-09-14 2006-02-28 Atc Technologies, Llc Space-based network architectures for satellite radiotelephone systems
IL151937A0 (en) * 2002-02-13 2003-07-31 Witcom Ltd Near-field spatial multiplexing
IL154459A0 (en) * 2003-02-13 2003-09-17 Witcom Ltd Wireless network with intensive frequency reuse
JP3722135B2 (ja) * 2003-06-27 2005-11-30 セイコーエプソン株式会社 無線受信機およびｇｐｓ受信機
US7277731B2 (en) * 2003-12-23 2007-10-02 Motorola, Inc. Adaptive diversity antenna system
JP2005223730A (ja) * 2004-02-06 2005-08-18 Brother Ind Ltd 無線タグ通信装置
US7596354B2 (en) * 2005-12-12 2009-09-29 Qualcomm, Inc. Optimizing polarization of forward link
WO2007092298A1 (en) * 2006-02-02 2007-08-16 Thomson Licensing Method and apparatus for detection and prevention of crosstalk in a multiple tuner receiver
US8300798B1 (en) 2006-04-03 2012-10-30 Wai Wu Intelligent communication routing system and method
US7683828B2 (en) * 2006-07-12 2010-03-23 Enterprise Electronics Corporation System and method for measuring phase and power variance
US8290031B1 (en) * 2006-08-14 2012-10-16 The Board Of Trustees Of The Leland Stanford Junior University Arrangements and methods for providing compensation for non-idealities of components in communications systems
US7991374B2 (en) * 2008-03-08 2011-08-02 Qualcomm Incorporated Methods and apparatus for supporting communications using horizontal polarization and dipole antennas
US8594732B2 (en) * 2008-03-08 2013-11-26 Qualcomm Incorporated Methods and apparatus for using polarized antennas in wireless networks including multi-sector base stations
US8594733B2 (en) * 2008-03-08 2013-11-26 Qualcomm Incorporated Methods and apparatus for using polarized antennas in wireless networks including single sector base stations
CN102652400A (zh) * 2009-12-16 2012-08-29 瑞典爱立信有限公司 用于协调无线通信系统中的极化的方法和装置
CN102439846B (zh) * 2010-05-06 2014-03-12 华为技术有限公司 一种信号极化方法、装置和系统
WO2012100220A2 (en) * 2011-01-21 2012-07-26 Mobius Semiconductor, Inc. Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches
CN104025472B (zh) * 2011-10-19 2017-09-26 爱立信(中国)通信有限公司 用于极化天线系统的无线电接收器
JP5914746B2 (ja) * 2013-02-22 2016-05-11 株式会社日立製作所 無線通信システム、送信機、受信機、昇降機制御システム、及び、変電設備監視システム

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US3144647A (en) * 1959-12-01 1964-08-11 Itt Diversity system
US3311829A (en) * 1964-05-27 1967-03-28 Glenn D Gillett Circular polarization diversity data transmission system
US3453622A (en) * 1967-06-15 1969-07-01 Sanders Associates Inc Polarization diversity transmission system
US3680139A (en) * 1970-08-17 1972-07-25 Westinghouse Electric Corp Common antenna aperture having polarization diversity
US3735266A (en) * 1971-12-20 1973-05-22 Bell Telephone Labor Inc Method and apparatus for reducing crosstalk on cross-polarized communication links
US4112370A (en) * 1976-08-06 1978-09-05 Signatron, Inc. Digital communications receiver for dual input signal
SU661841A1 (ru) * 1976-12-01 1979-05-05 Предприятие П/Я В-2132 Устройство приема сигналов с линейной частотной модул цией
SU1035813A1 (ru) * 1981-10-15 1983-08-15 Войсковая Часть 44388-Р/1 Устройство контрол качества св зи с амплитудной и частотной манипул цией
US4771288A (en) * 1985-05-17 1988-09-13 Motorola, Inc. Centroid detection apparatus and method therefor
US5068668A (en) * 1989-09-06 1991-11-26 Hughes Aircraft Company Adaptive polarization combining system
US5036331A (en) * 1989-09-18 1991-07-30 The Boeing Company Adaptive polarization combiner
EP0418781B1 (en) * 1989-09-18 1995-12-13 Nec Corporation Dual polarization transmission system
JP2982504B2 (ja) * 1992-07-31 1999-11-22 日本電気株式会社 適応受信機
JP2858508B2 (ja) * 1992-08-13 1999-02-17 日本電気株式会社 干渉波除去装置

Also Published As

Publication number Publication date
DE19548941C2 (de) 2001-03-08
JPH09162793A (ja) 1997-06-20
DE19548941A1 (de) 1996-07-11
US5691727A (en) 1997-11-25
IL112233A0 (en) 1995-12-08

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