DE60309350D1 - Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity - Google Patents

Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity

Info

Publication number
DE60309350D1
DE60309350D1 DE60309350T DE60309350T DE60309350D1 DE 60309350 D1 DE60309350 D1 DE 60309350D1 DE 60309350 T DE60309350 T DE 60309350T DE 60309350 T DE60309350 T DE 60309350T DE 60309350 D1 DE60309350 D1 DE 60309350D1
Authority
DE
Germany
Prior art keywords
channels
selection mode
antennas
mode
coupling
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
DE60309350T
Other languages
English (en)
Other versions
DE60309350T2 (de
Inventor
W Payne
J Caldwell
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.)
NXP BV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60309350D1 publication Critical patent/DE60309350D1/de
Publication of DE60309350T2 publication Critical patent/DE60309350T2/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
    • H04B7/0802—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
    • H04B7/0811—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 during preamble or gap period
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE60309350T 2002-11-26 2003-11-14 Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity Expired - Lifetime DE60309350T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0227506 2002-11-26
GBGB0227506.3A GB0227506D0 (en) 2002-11-26 2002-11-26 Low-if pre-preamble antenna diversity receiver
PCT/IB2003/005174 WO2004049594A1 (en) 2002-11-26 2003-11-14 Low-if pre-preamble antenna diversity receiver

Publications (2)

Publication Number Publication Date
DE60309350D1 true DE60309350D1 (de) 2006-12-07
DE60309350T2 DE60309350T2 (de) 2007-05-16

Family

ID=9948496

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60309350T Expired - Lifetime DE60309350T2 (de) 2002-11-26 2003-11-14 Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity

Country Status (10)

Country Link
US (1) US7729317B2 (de)
EP (1) EP1568153B1 (de)
JP (1) JP4459816B2 (de)
KR (1) KR101132628B1 (de)
CN (1) CN100505580C (de)
AT (1) ATE343876T1 (de)
AU (1) AU2003276562A1 (de)
DE (1) DE60309350T2 (de)
GB (1) GB0227506D0 (de)
WO (1) WO2004049594A1 (de)

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KR100857750B1 (ko) * 2004-03-05 2008-09-09 퀄컴 인코포레이티드 무선 통신에서의 수신 다이버시티 제어용 방법 및 장치
JP4482026B2 (ja) * 2004-03-05 2010-06-16 クゥアルコム・インコーポレイテッド 無線通信におけるマルチアンテナ受信ダイバーシティ制御
JP4610248B2 (ja) * 2004-07-09 2011-01-12 京セラ株式会社 ダイバーシチ方法およびそれを利用した受信装置
GB0417456D0 (en) * 2004-08-05 2004-09-08 Nokia Corp Low power radio
GB2423441A (en) * 2005-02-22 2006-08-23 Cambridge Silicon Radio Ltd Reducing signal paths required in an antenna diversity system
US20080309827A1 (en) * 2005-03-21 2008-12-18 Nxp B.V. Filter Device, Circuit Arrangement Comprising Such Filter Device as Well as Method of Operating Such Filter Device
KR100763812B1 (ko) 2006-09-07 2007-10-08 삼성전자주식회사 휴대용 단말기의 다이버시티 안테나 장치 및 이의 구현방법
US8194811B2 (en) * 2006-12-13 2012-06-05 Intel Corporation Clock repeater and phase-error correcting circuit
JP4757214B2 (ja) 2007-02-21 2011-08-24 富士通株式会社 フィルタ回路
US7986933B2 (en) * 2007-03-19 2011-07-26 Apple Inc. Method and system for wireless communications between base and mobile stations
US8824420B2 (en) * 2007-03-22 2014-09-02 Mitsubishi Electric Research Laboratories, Inc. Method and system for generating antenna selection signals in OFDM tranceivers with fewer RF chains than antennas in MIMO wireless networks
US7804911B2 (en) * 2007-04-25 2010-09-28 Seiko Epson Corporation Dual demodulation mode AM radio
US9020073B2 (en) * 2007-10-23 2015-04-28 Intel Mobile Communications GmbH Low intermediate frequency receiver
KR100968970B1 (ko) * 2007-12-29 2010-07-14 삼성전기주식회사 안테나 다이버시티 수신기
US8086195B2 (en) * 2008-02-22 2011-12-27 Motorola Mobility, Inc. Communication unit and method of operation therefor
JP4535163B2 (ja) * 2008-04-08 2010-09-01 ソニー株式会社 情報処理システム、通信端末、情報処理装置、およびプログラム
US20090323872A1 (en) * 2008-06-30 2009-12-31 Sirius Xm Radio Inc. Interface between a switched diversity antenna system and digital radio receiver
EP2239860B1 (de) * 2009-04-07 2012-08-15 The Swatch Group Research and Development Ltd. SIGNALEMPFÄNGER MIT FSK-MODULATION GROßER SENSIBILITÄT MIT GERINGEM DURCHSATZ
GB0908825D0 (en) * 2009-05-21 2009-07-01 Cambridge Silicon Radio Ltd Antenna selection
DE102009033000B4 (de) * 2009-07-14 2014-07-24 Imst Gmbh Multibandempfänger für Satellitennavigationssystem und Verfahren für Multibandempfang
CN102550069A (zh) * 2009-11-27 2012-07-04 富士通东芝移动通信株式会社 移动无线终端、接收信号强度测定方法以及基站搜索方法
EP2520030B1 (de) * 2009-12-29 2014-09-24 Motorola Solutions, Inc. Verfahren zur auswahl eines signals von bester qualität unter mehreren von datenprozessoren in einem kommunikationssystem empfangenen signalen
CN101826904A (zh) * 2010-04-23 2010-09-08 哈尔滨侨航通信设备有限公司 一种利用分集接收实现系统扩容的方法
US9190723B1 (en) 2010-09-28 2015-11-17 The Board of Trustees for and on behalf of the University of Alabama Multi-input and multi-output (MIMO) antenna system with absorbers for reducing interference
WO2013019130A1 (en) 2011-07-29 2013-02-07 Motorola Solutions Inc. High reliability redundant voting system for a signal received by voting processors in a communication system
US9900265B2 (en) 2014-06-16 2018-02-20 Infineon Technologies Ag Matrix switch
US10374659B2 (en) * 2015-10-12 2019-08-06 Texas Instruments Incorporated Low latency data transfer in a system for wireless power transmission
US10531424B1 (en) * 2018-09-11 2020-01-07 Greina Technologies, Inc. Angle of arrival and departure using standard bluetooth low energy packets
JP7038878B2 (ja) * 2020-07-10 2022-03-18 アドソル日進株式会社 無線装置、アンテナ選定方法及びプログラム

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US4977616A (en) * 1987-11-30 1990-12-11 Motorola, Inc. Antenna selection control circuit
US5940452A (en) 1995-11-29 1999-08-17 Motorola, Inc. Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor
US6018651A (en) 1995-11-29 2000-01-25 Motorola, Inc. Radio subscriber unit having a switched antenna diversity apparatus and method therefor
JP3690889B2 (ja) 1996-06-10 2005-08-31 松下電器産業株式会社 受信回路
US5802463A (en) * 1996-08-20 1998-09-01 Advanced Micro Devices, Inc. Apparatus and method for receiving a modulated radio frequency signal by converting the radio frequency signal to a very low intermediate frequency signal
US6078796A (en) 1998-01-29 2000-06-20 Motorola, Inc. Method and apparatus for receiving a wideband signal using multiple automatic gain controllers
GB9901789D0 (en) * 1998-04-22 1999-03-17 Koninkl Philips Electronics Nv Antenna diversity system
US6535721B1 (en) 1998-09-30 2003-03-18 Qualcomm Incorporated Architecture for dependability enhancement of wireless base stations
JP3764827B2 (ja) 1999-03-01 2006-04-12 富士通株式会社 マルチキャリアスペクトル拡散通信における受信機、及び受信方法
US6424820B1 (en) * 1999-04-02 2002-07-23 Interval Research Corporation Inductively coupled wireless system and method
JP2000295151A (ja) * 1999-04-05 2000-10-20 Matsushita Electric Ind Co Ltd ダイバーシティ受信機
US6515978B1 (en) 1999-04-19 2003-02-04 Lucent Technologies Inc. Methods and apparatus for downlink diversity in CDMA using Walsh codes
GB0004123D0 (en) * 2000-02-23 2000-04-12 Koninkl Philips Electronics Nv Communication system and a receiver for use in the system
GB0016411D0 (en) 2000-07-05 2000-08-23 Koninkl Philips Electronics Nv Antenna diversity receiver
WO2002052749A1 (en) 2000-12-22 2002-07-04 Telefonaktiebolaget L M Ericsson (Publ) Method and device for signal transmission in wireless applications using antenna diversity
GB0105019D0 (en) * 2001-03-01 2001-04-18 Koninkl Philips Electronics Nv Antenna diversity in a wireless local area network
FR2833435B1 (fr) 2001-12-06 2004-02-27 Thomson Licensing Sa Methode de selection de chemin de reception et dispositif de reception comprenant plusieurs chemins de reception
GB0307033D0 (en) * 2003-03-27 2003-04-30 Koninkl Philips Electronics Nv Method of protecting a radio environment
US7398067B2 (en) * 2005-03-17 2008-07-08 Intel Corporation Multiple intermediate frequencies receiver and a method thereof

Also Published As

Publication number Publication date
CN100505580C (zh) 2009-06-24
JP2006507751A (ja) 2006-03-02
CN1717878A (zh) 2006-01-04
AU2003276562A1 (en) 2004-06-18
EP1568153A1 (de) 2005-08-31
ATE343876T1 (de) 2006-11-15
JP4459816B2 (ja) 2010-04-28
US20060056357A1 (en) 2006-03-16
KR20050086884A (ko) 2005-08-30
DE60309350T2 (de) 2007-05-16
KR101132628B1 (ko) 2012-04-02
US7729317B2 (en) 2010-06-01
EP1568153B1 (de) 2006-10-25
GB0227506D0 (en) 2002-12-31
WO2004049594A1 (en) 2004-06-10

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL