ATE343876T1 - Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity - Google Patents

Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity

Info

Publication number
ATE343876T1
ATE343876T1 AT03811821T AT03811821T ATE343876T1 AT E343876 T1 ATE343876 T1 AT E343876T1 AT 03811821 T AT03811821 T AT 03811821T AT 03811821 T AT03811821 T AT 03811821T AT E343876 T1 ATE343876 T1 AT E343876T1
Authority
AT
Austria
Prior art keywords
channels
selection mode
antennas
mode
coupling
Prior art date
Application number
AT03811821T
Other languages
English (en)
Inventor
Adrian W Payne
Richard J Caldwell
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE343876T1 publication Critical patent/ATE343876T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802Diversity 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
    • H04B7/0805Diversity 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
    • H04B7/0808Diversity 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
    • H04B7/0811Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802Diversity 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
    • H04B7/0805Diversity 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
    • H04B7/0814Diversity 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)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Radio Relay Systems (AREA)
AT03811821T 2002-11-26 2003-11-14 Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity ATE343876T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0227506.3A GB0227506D0 (en) 2002-11-26 2002-11-26 Low-if pre-preamble antenna diversity receiver

Publications (1)

Publication Number Publication Date
ATE343876T1 true ATE343876T1 (de) 2006-11-15

Family

ID=9948496

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03811821T ATE343876T1 (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)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
MXPA06010082A (es) * 2004-03-05 2006-12-15 Qualcomm Inc Metodo y aparato para control de diversidad de recepcion en comunicaciones inalambricas.
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
CN101167349A (zh) * 2005-03-21 2008-04-23 Nxp股份有限公司 滤波装置、包括这种滤波装置的电路布置以及操作这种滤波装置的方法
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
CA2731034A1 (en) * 2008-06-30 2010-01-14 Sirius Xm Radio Inc. Interface between a switched diversity antenna system and a 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
WO2011065033A1 (ja) * 2009-11-27 2011-06-03 富士通東芝モバイルコミュニケーションズ株式会社 移動無線端末、受信信号強度測定方法および基地局探索方法
WO2011081537A1 (en) * 2009-12-29 2011-07-07 Motorola Solutions, Inc. Method for selecting a best quality signal among multiple signals received by data processors in a communication system
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***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
US9189347B2 (en) 2011-07-29 2015-11-17 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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2006507751A (ja) 2006-03-02
US7729317B2 (en) 2010-06-01
EP1568153B1 (de) 2006-10-25
EP1568153A1 (de) 2005-08-31
CN1717878A (zh) 2006-01-04
DE60309350T2 (de) 2007-05-16
US20060056357A1 (en) 2006-03-16
AU2003276562A1 (en) 2004-06-18
KR101132628B1 (ko) 2012-04-02
KR20050086884A (ko) 2005-08-30
JP4459816B2 (ja) 2010-04-28
WO2004049594A1 (en) 2004-06-10
CN100505580C (zh) 2009-06-24
DE60309350D1 (de) 2006-12-07
GB0227506D0 (en) 2002-12-31

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