DE60225018D1 - Diversität-empfangskombinator mit wählbarer phaseninversion und variabler verstärkung - Google Patents

Diversität-empfangskombinator mit wählbarer phaseninversion und variabler verstärkung

Info

Publication number
DE60225018D1
DE60225018D1 DE60225018T DE60225018T DE60225018D1 DE 60225018 D1 DE60225018 D1 DE 60225018D1 DE 60225018 T DE60225018 T DE 60225018T DE 60225018 T DE60225018 T DE 60225018T DE 60225018 D1 DE60225018 D1 DE 60225018D1
Authority
DE
Germany
Prior art keywords
signal
strength
combined output
variable gain
phase inversion
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60225018T
Other languages
English (en)
Other versions
DE60225018T2 (de
Inventor
James Stuart Wight
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zarbana Digital Fund LLC
Original Assignee
Zarbana Digital Fund LLC
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 Zarbana Digital Fund LLC filed Critical Zarbana Digital Fund LLC
Application granted granted Critical
Publication of DE60225018D1 publication Critical patent/DE60225018D1/de
Publication of DE60225018T2 publication Critical patent/DE60225018T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60225018T 2001-07-27 2002-07-26 Diversitäts-empfangskombinator mit wählbarer phaseninversion und variabler verstärkung Expired - Lifetime DE60225018T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US30788901P 2001-07-27 2001-07-27
US307889P 2001-07-27
US68120 2002-02-06
US10/068,120 US20030022648A1 (en) 2001-07-27 2002-02-06 Selectable inversion / variable gain combiner for diversity reception in RF transceivers
PCT/CA2002/001150 WO2003013023A1 (en) 2001-07-27 2002-07-26 Reception diversity combiner with selectable inversion and variable gain

Publications (2)

Publication Number Publication Date
DE60225018D1 true DE60225018D1 (de) 2008-03-27
DE60225018T2 DE60225018T2 (de) 2009-02-26

Family

ID=26748596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60225018T Expired - Lifetime DE60225018T2 (de) 2001-07-27 2002-07-26 Diversitäts-empfangskombinator mit wählbarer phaseninversion und variabler verstärkung

Country Status (10)

Country Link
US (1) US20030022648A1 (de)
EP (1) EP1413069B1 (de)
JP (1) JP2004537237A (de)
KR (1) KR100946679B1 (de)
CN (1) CN1555614B (de)
AT (1) ATE386374T1 (de)
CA (1) CA2455111A1 (de)
DE (1) DE60225018T2 (de)
NO (1) NO20040369L (de)
WO (1) WO2003013023A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7088965B1 (en) * 2002-01-08 2006-08-08 Sprint Spectrum L.P. Fractal antenna system and method for improved wireless telecommunications
US8098683B2 (en) 2004-10-06 2012-01-17 Broadcom Corporation Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss
US20070116300A1 (en) * 2004-12-22 2007-05-24 Broadcom Corporation Channel decoding for wireless telephones with multiple microphones and multiple description transmission
US8509703B2 (en) * 2004-12-22 2013-08-13 Broadcom Corporation Wireless telephone with multiple microphones and multiple description transmission
US7983720B2 (en) * 2004-12-22 2011-07-19 Broadcom Corporation Wireless telephone with adaptive microphone array
US20060133621A1 (en) * 2004-12-22 2006-06-22 Broadcom Corporation Wireless telephone having multiple microphones
CN100441006C (zh) * 2006-08-08 2008-12-03 华为技术有限公司 无线基站及控制接收通道的增益的方法
US7668525B2 (en) * 2007-03-01 2010-02-23 Delphi Technologies, Inc. System and method of a stereo receiving system
US8428661B2 (en) 2007-10-30 2013-04-23 Broadcom Corporation Speech intelligibility in telephones with multiple microphones
US9161798B2 (en) * 2008-02-01 2015-10-20 Dfine, Inc. Bone treatment systems and methods
US8551107B2 (en) 2009-10-15 2013-10-08 Biomet, C.V. Bending tool and method for reshaping a bone plate
US8535355B2 (en) 2009-10-15 2013-09-17 Biomet C.V. Dorsal midfoot bone plate system and method
JP5474886B2 (ja) * 2011-07-26 2014-04-16 日本電信電話株式会社 衛星通信システムの地球局装置および地球局装置制御方法
KR101595830B1 (ko) * 2015-09-21 2016-02-24 대한민국 단파 통신 두절의 판단을 위한 단파 신호 모니터링 방법 및 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737781A (en) * 1971-09-15 1973-06-05 Nasa Signal-to-noise ratio determination circuit
US3965422A (en) * 1974-07-26 1976-06-22 The United States Of America As Represented By The Secretary Of The Air Force System channel distortion weighting for predetection combiners
US4293955A (en) * 1980-03-17 1981-10-06 Telex Communications, Inc. Diversity reception system
NZ239733A (en) * 1990-09-21 1994-04-27 Ericsson Ge Mobile Communicat Mobile telephone diversity reception with predetect signal combination
US5203025A (en) * 1990-11-09 1993-04-13 Kovatel Communications, Ltd. Selection circuit in a space diversity reception system for a mobile receiver
JP3022194B2 (ja) * 1994-09-02 2000-03-15 三菱電機株式会社 ダイバーシチ受信装置
FI107851B (fi) * 1996-05-22 2001-10-15 Nokia Networks Oy Menetelmä antennikeilan valitsemiseksi, tukiasema ja solukkoradiojärjestelmä
US6154503A (en) * 1996-06-07 2000-11-28 Sharp Kk Corporation Automatic gain control system that responds to baseband signal distortion
US6256484B1 (en) * 1997-02-26 2001-07-03 Telex Communications, Inc. Diversity reception system
JPH11220346A (ja) * 1998-02-02 1999-08-10 Fujitsu Ltd 自動利得制御回路

Also Published As

Publication number Publication date
ATE386374T1 (de) 2008-03-15
EP1413069B1 (de) 2008-02-13
EP1413069A1 (de) 2004-04-28
DE60225018T2 (de) 2009-02-26
WO2003013023A1 (en) 2003-02-13
CN1555614A (zh) 2004-12-15
KR20040030866A (ko) 2004-04-09
CA2455111A1 (en) 2003-02-13
US20030022648A1 (en) 2003-01-30
NO20040369L (no) 2004-03-26
JP2004537237A (ja) 2004-12-09
CN1555614B (zh) 2010-05-26
KR100946679B1 (ko) 2010-03-12

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