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

    • 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)
  • 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 (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7925302B2 (en) * 2004-03-05 2011-04-12 Qualcomm Incorporated Method and apparatus for receive diversity control in wireless communications
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
WO2006100629A2 (en) * 2005-03-21 2006-09-28 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
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
EP2506627A1 (de) * 2009-11-27 2012-10-03 Fujitsu Toshiba Mobile Communications Limited Mobiles funkendgerät, messverfahren für die empfangene signalintensität und basisstation-suchverfahren
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
KR102871766B1 (ko) 2020-07-31 2025-10-16 삼성전자 주식회사 전자 장치 및 안테나 운용 방법
CN119654810A (zh) * 2022-08-09 2025-03-18 三星电子株式会社 用于改变传输天线的电子设备及其操作方法

Family Cites Families (22)

* 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
DE4396900T1 (de) * 1992-12-22 1997-07-31 Motorola Inc HF-Antennenschalter und Verfahren zu dessen Betrieb
US6018651A (en) 1995-11-29 2000-01-25 Motorola, Inc. Radio subscriber unit having a switched antenna diversity apparatus and method therefor
US5940452A (en) * 1995-11-29 1999-08-17 Motorola, Inc. Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor
CN1161610A (zh) * 1995-11-29 1997-10-08 摩托罗拉公司 具有转换天线分集装置的无线用户单元及其方法
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
JP3105869B2 (ja) * 1998-08-10 2000-11-06 静岡日本電気株式会社 アンテナダイバーシティ切替方法およびその方法を用いたアンテナダイバーシティ受信装置
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
DE60309350D1 (de) 2006-12-07
EP1568153A1 (de) 2005-08-31
US7729317B2 (en) 2010-06-01
EP1568153B1 (de) 2006-10-25
CN100505580C (zh) 2009-06-24
JP4459816B2 (ja) 2010-04-28
DE60309350T2 (de) 2007-05-16
US20060056357A1 (en) 2006-03-16
CN1717878A (zh) 2006-01-04
KR20050086884A (ko) 2005-08-30
GB0227506D0 (en) 2002-12-31
KR101132628B1 (ko) 2012-04-02
AU2003276562A1 (en) 2004-06-18
WO2004049594A1 (en) 2004-06-10

Similar Documents

Publication Publication Date Title
ATE343876T1 (de) Niedrizwischenfrequenz pre-präamble empfänger mit antennendiversity
GB0016411D0 (en) Antenna diversity receiver
KR101170580B1 (ko) 안테나 정합을 동작시키는 방법 및 장치
SE9903944D0 (sv) Antenna device and method for transmitting and receiving radio waves
WO2002007258A3 (en) Adaptive antenna for use in same frequency networks
NO175338B (no) Radiomottager
WO2004084447A3 (en) Multi-antenna communication systems utilizing rf-based and baseband signal weighting and combining
EP1033826A3 (de) Proportionaler Funk-Diversity-Empfänger mit dinamischen geregelten Geräuschen Antennenphaser
CA2562680A1 (en) Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
CA2253487A1 (en) Transceiver with rf loopback and downlink frequency scanning
EP1612986A4 (de) Funkkommunikationssystem
EP1150440B1 (de) Empfänger mit Antennendiversity
US10516422B2 (en) Circuit arrangement for compensating for a damping occurring in an antenna line between a mobile radio terminal and an antenna
EP1150439A1 (de) Empfänger mit Antennendiversity
CN100426703C (zh) 一种用于tdd移动通信系统的分集装置
CN205039804U (zh) 接收机与通信终端
EP0987838B1 (de) Mobilstation mit Richtantennen
EP3591848B1 (de) Signalempfänger in einem hf-verteilsystem
JP2021087033A5 (de)
US20090080559A1 (en) Antenna diversity by means of its through connection for receivers of digital radio signals
KR970072550A (ko) 차량용 다기능 다이버시티(diversity)안테나 시스템
JP4055706B2 (ja) ダイバーシチ受信機
US20060046676A1 (en) Method for evaluating the redeption quality of a stereo radio set and stereo radio set
RU23221U1 (ru) Телеметрическая связная радиостанция для транспортного средства
JPH0786996A (ja) 移動通信用基地局の受信装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties