DE60207547D1 - Tragbarer Empfänger mit verringerter Dispersion - Google Patents

Tragbarer Empfänger mit verringerter Dispersion

Info

Publication number
DE60207547D1
DE60207547D1 DE60207547T DE60207547T DE60207547D1 DE 60207547 D1 DE60207547 D1 DE 60207547D1 DE 60207547 T DE60207547 T DE 60207547T DE 60207547 T DE60207547 T DE 60207547T DE 60207547 D1 DE60207547 D1 DE 60207547D1
Authority
DE
Germany
Prior art keywords
portable receiver
reduced dispersion
dispersion
reduced
portable
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
DE60207547T
Other languages
English (en)
Other versions
DE60207547T2 (de
Inventor
Christian Lamothe
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.)
EM Microelectronic Marin SA
Original Assignee
EM Microelectronic Marin SA
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 EM Microelectronic Marin SA filed Critical EM Microelectronic Marin SA
Application granted granted Critical
Publication of DE60207547D1 publication Critical patent/DE60207547D1/de
Publication of DE60207547T2 publication Critical patent/DE60207547T2/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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • 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
    • 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
    • H04B7/0805—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 with single receiver and antenna switching
    • H04B7/0808—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 with single receiver and antenna switching comparing all antennas before reception
    • 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
    • H04B7/0805—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 with single receiver and antenna switching
    • H04B7/0814—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 with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
DE60207547T 2002-07-31 2002-07-31 Tragbarer Empfänger mit verringerter Dispersion Expired - Lifetime DE60207547T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02078252A EP1387502B1 (de) 2002-07-31 2002-07-31 Tragbarer Empfänger mit verringerter Dispersion

Publications (2)

Publication Number Publication Date
DE60207547D1 true DE60207547D1 (de) 2005-12-29
DE60207547T2 DE60207547T2 (de) 2006-08-10

Family

ID=30011220

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60207547T Expired - Lifetime DE60207547T2 (de) 2002-07-31 2002-07-31 Tragbarer Empfänger mit verringerter Dispersion

Country Status (3)

Country Link
US (1) US20050288061A1 (de)
EP (1) EP1387502B1 (de)
DE (1) DE60207547T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080096509A1 (en) * 2006-10-19 2008-04-24 Maxlinear, Inc. Low Complexity Diversity Receiver
GB0803348D0 (en) * 2008-02-25 2008-04-02 Rhodes Mark Shallow water radio communications network
US9520052B2 (en) * 2015-04-15 2016-12-13 Innovative Control Systems, Inc. Security tag system with improved range consistency
GB2539732A (en) * 2015-06-25 2016-12-28 Airspan Networks Inc A configurable antenna and method of operating such a configurable antenna

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2561028B2 (ja) * 1994-05-26 1996-12-04 日本電気株式会社 サイドローブキャンセラ
US5553102A (en) * 1994-12-01 1996-09-03 Motorola, Inc. Diversity reception communication system with maximum ratio combining method
US6895253B1 (en) * 1995-03-14 2005-05-17 Lucent Technologies Inc. Wireless indoor communications using antenna arrays
US5912925A (en) * 1995-05-18 1999-06-15 Aura Communications, Inc. Diversity circuit for magnetic communication system
DE19718423A1 (de) * 1997-04-30 1998-11-05 Siemens Ag Tragbarer Signalempfänger
JP3779063B2 (ja) * 1998-05-28 2006-05-24 松下電器産業株式会社 無線通信装置及び無線通信方法
EP1118140A1 (de) * 1998-08-22 2001-07-25 Delphi Automotive Systems Deutschland GmbH Empfangseinrichtung eines funksystems sowie verfahren zur verarbeitung empfangener funksignale
FR2792129B1 (fr) * 1999-04-07 2006-07-28 Valeo Securite Habitacle Recepteur de signaux portable a plusieurs antennes
CN1256813C (zh) * 2001-03-30 2006-05-17 松下电器产业株式会社 组合的选择性时间切换发射分集方法和系统
WO2002091625A1 (fr) * 2001-05-02 2002-11-14 Fujitsu Limited Systeme a diversite d'emission

Also Published As

Publication number Publication date
US20050288061A1 (en) 2005-12-29
DE60207547T2 (de) 2006-08-10
EP1387502B1 (de) 2005-11-23
EP1387502A1 (de) 2004-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition