AU1648900A - Dual antenna system - Google Patents

Dual antenna system Download PDF

Info

Publication number
AU1648900A
AU1648900A AU16489/00A AU1648900A AU1648900A AU 1648900 A AU1648900 A AU 1648900A AU 16489/00 A AU16489/00 A AU 16489/00A AU 1648900 A AU1648900 A AU 1648900A AU 1648900 A AU1648900 A AU 1648900A
Authority
AU
Australia
Prior art keywords
antenna
antennas
communication device
mobile communication
power
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.)
Abandoned
Application number
AU16489/00A
Other languages
English (en)
Inventor
Torben Amtoft
Ion Marqvardsen
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.)
Telital R&D Denmark AS
Original Assignee
Telital R&D Denmark AS
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 Telital R&D Denmark AS filed Critical Telital R&D Denmark AS
Publication of AU1648900A publication Critical patent/AU1648900A/en
Abandoned 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in 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
    • H04B7/0802—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transceivers (AREA)
  • Support Of Aerials (AREA)
AU16489/00A 1998-12-08 1999-12-08 Dual antenna system Abandoned AU1648900A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA199801625 1998-12-08
DKPA199801625 1998-12-08
PCT/DK1999/000688 WO2000035124A2 (en) 1998-12-08 1999-12-08 Dual antenna system

Publications (1)

Publication Number Publication Date
AU1648900A true AU1648900A (en) 2000-06-26

Family

ID=8106662

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16489/00A Abandoned AU1648900A (en) 1998-12-08 1999-12-08 Dual antenna system

Country Status (5)

Country Link
EP (1) EP1138130A2 (zh)
CN (1) CN1329781A (zh)
AU (1) AU1648900A (zh)
CA (1) CA2355594A1 (zh)
WO (1) WO2000035124A2 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002171190A (ja) * 2000-12-01 2002-06-14 Nec Corp 小型携帯電話機
JP2007517441A (ja) * 2003-12-30 2007-06-28 ゼンハイザー・エレクトロニック・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシャフト デジタルマイクロフォン
US7091911B2 (en) 2004-06-02 2006-08-15 Research In Motion Limited Mobile wireless communications device comprising non-planar internal antenna without ground plane overlap
GB2416924B (en) * 2004-07-29 2007-04-25 Draeger Safety Ag & Co Kgaa Method and device for the radio transmission of signals generated close to the body
DE102004036878B4 (de) 2004-07-29 2008-04-10 Dräger Safety AG & Co. KGaA Verfahren und Vorrichtung zur Funkübertragung von in Körpernähe generierten Signalen
CN1889590B (zh) * 2006-07-18 2013-06-19 胡淑欣 防辐射移动终端
ATE522950T1 (de) * 2009-07-31 2011-09-15 Research In Motion Ltd Integrierte antenne und elektrostatischer entladungsschutz
US8406825B2 (en) 2009-07-31 2013-03-26 Research In Motion Limited Integrated antenna and electrostatic discharge protection
CN103118408B (zh) * 2011-11-16 2016-02-17 普天信息技术研究院有限公司 小区测量方法、小区测量和切换的方法、装置及系统
EP2941797B1 (en) 2012-12-03 2019-11-20 Dockon AG Low noise detection system using log detector amplifier
WO2014144958A1 (en) 2013-03-15 2014-09-18 Forrest James Brown Frequency selective logarithmic amplifier with intrinsic frequency demodulation capability
WO2014152307A1 (en) 2013-03-15 2014-09-25 Dockon Ag Low-power, noise insensitive communication channel using logarithmic detector amplifier (lda) demodulator
EP2973994B1 (en) 2013-03-15 2021-07-21 Dockon AG Logarithmic amplifier with universal demodulation capabilities
US9236892B2 (en) 2013-03-15 2016-01-12 Dockon Ag Combination of steering antennas, CPL antenna(s), and one or more receive logarithmic detector amplifiers for SISO and MIMO applications
US11082014B2 (en) 2013-09-12 2021-08-03 Dockon Ag Advanced amplifier system for ultra-wide band RF communication
EP3044723A4 (en) 2013-09-12 2017-05-03 Dockon AG Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion
US11183974B2 (en) 2013-09-12 2021-11-23 Dockon Ag Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181732A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 携帯用無線機におけるダイバ−シチ−受信方式
IL116423A0 (en) * 1995-12-15 1996-03-31 Geotek Communication Inc A portable radio terminal having diversity reception antennas
JPH09219676A (ja) * 1996-02-14 1997-08-19 Kyocera Corp 携帯無線機
JPH09247031A (ja) * 1996-03-05 1997-09-19 Nec Corp 携帯用無線装置

Also Published As

Publication number Publication date
CN1329781A (zh) 2002-01-02
EP1138130A2 (en) 2001-10-04
WO2000035124A2 (en) 2000-06-15
WO2000035124A3 (en) 2000-10-19
CA2355594A1 (en) 2000-06-15

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Legal Events

Date Code Title Description
MK5 Application lapsed section 142(2)(e) - patent request and compl. specification not accepted