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FI950106A - Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa - Google Patents

Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa Download PDF

Info

Publication number
FI950106A
FI950106A FI950106A FI950106A FI950106A FI 950106 A FI950106 A FI 950106A FI 950106 A FI950106 A FI 950106A FI 950106 A FI950106 A FI 950106A FI 950106 A FI950106 A FI 950106A
Authority
FI
Finland
Prior art keywords
procedure
coupling
radio receiver
filtering interference
receiver receivers
Prior art date
Application number
FI950106A
Other languages
English (en)
Swedish (sv)
Other versions
FI950106A0 (fi
Inventor
Mika Tuutijaervi
Raimo Klemetti
Jorma Savolainen
Eero Maekikallio
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI950106A priority Critical patent/FI950106A/fi
Publication of FI950106A0 publication Critical patent/FI950106A0/fi
Priority to US08/583,399 priority patent/US5809399A/en
Priority to EP96300172A priority patent/EP0722226A1/en
Priority to JP00244596A priority patent/JP3241989B2/ja
Publication of FI950106A publication Critical patent/FI950106A/fi

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transceivers (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
FI950106A 1995-01-10 1995-01-10 Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa FI950106A (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI950106A FI950106A (fi) 1995-01-10 1995-01-10 Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa
US08/583,399 US5809399A (en) 1995-01-10 1996-01-05 Method and circuit for filtering disturbances in a radio receiver
EP96300172A EP0722226A1 (en) 1995-01-10 1996-01-10 A method and circuit for filtering disturbances in a radio receiver
JP00244596A JP3241989B2 (ja) 1995-01-10 1996-01-10 無線装置の受信機において外乱を濾波して除去する方法及び回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI950106A FI950106A (fi) 1995-01-10 1995-01-10 Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa

Publications (2)

Publication Number Publication Date
FI950106A0 FI950106A0 (fi) 1995-01-10
FI950106A true FI950106A (fi) 1996-07-11

Family

ID=8542234

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950106A FI950106A (fi) 1995-01-10 1995-01-10 Menetelmä ja kytkentä häiriöiden suodattamiseksi radiolaitteen vastaanottimessa

Country Status (4)

Country Link
US (1) US5809399A (fi)
EP (1) EP0722226A1 (fi)
JP (1) JP3241989B2 (fi)
FI (1) FI950106A (fi)

Families Citing this family (35)

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FI102132B1 (fi) * 1995-12-01 1998-10-15 Nokia Mobile Phones Ltd ATM-solun otsikkokenttien käyttö radiovälitteisessä ATM-tiedonsiirrossa
DE19630405C2 (de) * 1996-07-26 1998-07-02 Sgs Thomson Microelectronics Einrichtung zum Verändern der Eckfrequenz eines Tiefpaßfilters
JPH10313260A (ja) * 1997-05-13 1998-11-24 Matsushita Electric Ind Co Ltd 受信装置
GB2328584B (en) 1997-08-22 2002-05-29 Nokia Mobile Phones Ltd Switching control method and apparatus for wireless telecommunications
FI103744B1 (fi) 1997-10-15 1999-08-31 Nokia Mobile Phones Ltd Menetelmä ja järjestely aktiivisuotimen kalibroimiseksi
FI106607B (fi) 1998-01-07 2001-02-28 Nokia Mobile Phones Ltd Solun valinta usean modulaation solukkoradiojärjestelmässä
US6047171A (en) * 1998-01-08 2000-04-04 Ericsson Inc. Method and apparatus for combating adjacent channel interference using multiple IF filters
FI106331B (fi) 1998-04-30 2001-01-15 Nokia Mobile Phones Ltd Menetelmä ja laitteisto joutokehysten käytön ohjaamiseksi
GB2337413A (en) 1998-05-15 1999-11-17 Nokia Mobile Phones Ltd alternative Channel Measurement in a Radio Communication system
FI120124B (fi) 1998-05-29 2009-06-30 Nokia Corp Menetelmä ja piiri signaalin näytteistämiseksi suurella näytteistystaajuudella
JP3323809B2 (ja) * 1998-06-19 2002-09-09 松下電器産業株式会社 時分割多重無線通信方式の受信電界強度測定装置
FI108200B (fi) 1998-09-14 2001-11-30 Nokia Mobile Phones Ltd Yhteyden vaihto matkaviestinverkkojen välillä
WO2000019761A1 (fr) 1998-09-30 2000-04-06 Mitsubishi Denki Kabushiki Kaisha Techniques permettant de detecter et d'eviter les interferences
DE69810475T2 (de) * 1998-10-13 2003-10-02 Lucent Technologies Inc., Murray Hill Verfahren zur adaptiven Schätzung der Empfangsqualität
CN1148008C (zh) 1999-05-21 2004-04-28 西门子公司 移动无线信号的滤波方法及相应的移动无线接收机
US7181184B1 (en) * 2000-08-22 2007-02-20 Lucent Technologies Inc. Band edge amplitude reduction system and method
DE10050330A1 (de) * 2000-10-11 2002-04-25 Infineon Technologies Ag Signalstärkeausgleich für stark zeitvariante Mobilfunkkanäle
DE10052719B4 (de) * 2000-10-24 2004-08-26 Siemens Ag Filter für elektromagnetisch übertragene Signale
US6850736B2 (en) * 2000-12-21 2005-02-01 Tropian, Inc. Method and apparatus for reception quality indication in wireless communication
US7386078B2 (en) 2001-08-23 2008-06-10 Siemens Aktiengesellschaft Adaptive filtering method and filter for filtering a radio signal in a mobile radio-communication system
US20030081706A1 (en) * 2001-10-25 2003-05-01 Ciccarelli Steven C. Noise reduction filtering in a wireless communication system
US6901243B2 (en) * 2001-11-08 2005-05-31 Qualcomm, Incorporated Method and apparatus for mitigating adjacent channel interference in a wireless communication system
US6959170B2 (en) * 2001-12-20 2005-10-25 Motorola, Inc. Communications receivers and methods therefor
GB0204108D0 (en) 2002-02-21 2002-04-10 Analog Devices Inc 3G radio
CN1639990B (zh) * 2002-02-21 2010-09-15 联发科技股份有限公司 一种直接转换多模接收机
JP2003309533A (ja) * 2002-04-17 2003-10-31 Matsushita Electric Ind Co Ltd 無線送信装置、無線受信装置及びその方法
US8243864B2 (en) * 2004-11-19 2012-08-14 Qualcomm, Incorporated Noise reduction filtering in a wireless communication system
JP4467446B2 (ja) * 2005-02-10 2010-05-26 Ｎｅｃエレクトロニクス株式会社 高周波ｉｃ及びｇｐｓ受信機
US8995940B2 (en) * 2006-09-27 2015-03-31 Silicon Laboratories Inc. Filtering data in a wireless receiver system
US8615210B2 (en) * 2006-10-06 2013-12-24 Qualcomm Incorporated Methods and apparatus for power measurement in a communication system
JP2010118742A (ja) * 2008-11-11 2010-05-27 Sharp Corp 受信装置及び受信方法、並びに、これに用いるプログラム及び記録媒体
DE102011075577B4 (de) * 2011-05-10 2013-01-31 MULTIPOND Wägetechnik GmbH Signalverarbeitungsverfahren, Vorrichtung zur Signalverarbeitung und Waage mit Vorrichtung zur Signalverarbeitung
US8750817B2 (en) * 2012-03-29 2014-06-10 Silicon Laboratories Inc. Controlling filter bandwidth based on blocking signals
US9674010B2 (en) 2014-05-21 2017-06-06 Silicon Laboratories Inc. Updating a filter of an equalizer
US11063675B2 (en) * 2019-03-05 2021-07-13 Cisco Technology, Inc. Wireless spectrum management and optimization for dual transceiver operation

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DE3443696A1 (de) * 1984-11-30 1986-06-05 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zum steuern eines resonanzentzerrers
EP0487548B1 (en) * 1989-08-02 1997-03-05 Motorola, Inc. Synthesized selective call receiver having variable characteristics
FI84539C (fi) * 1990-02-08 1991-12-10 Telenokia Oy Basstation foer ett radiosystem.
DE4005272A1 (de) * 1990-02-20 1991-08-22 Bosch Gmbh Robert Verfahren zur zf-bandbreitenumschaltung sowie zf-bandbreitenumschaltvorrichtung
US5220687A (en) * 1990-05-30 1993-06-15 Pioneer Electronic Corporation Radio receiver having switch for switching between a wide filter and a narrow filter
US5287556A (en) * 1990-09-28 1994-02-15 Motorola, Inc. Interference reduction using an adaptive receiver filter, signal strength, and BER sensing
US5303406A (en) * 1991-04-29 1994-04-12 Motorola, Inc. Noise squelch circuit with adaptive noise shaping
US5307515A (en) * 1991-08-05 1994-04-26 Ford Motor Company Adjacent channel controller for radio receiver
US5203012A (en) * 1992-02-10 1993-04-13 Motorola, Inc. Method and apparatus for optimum channel assignment
DE4208605A1 (de) * 1992-03-18 1993-09-23 Blaupunkt Werke Gmbh Schaltungsanordnung zur nachbarkanalerkennung und -unterdrueckung in einem rundfunkempfaenger
FI96157C (fi) * 1992-04-27 1996-05-10 Nokia Mobile Phones Ltd Digitaalinen, solukkorakenteinen aikajakokanavointiin perustuva radiopuhelinverkko radioyhteyden siirtämiseksi tukiasemalta uudelle tukiasemalle
DE4222309A1 (de) * 1992-07-08 1994-01-13 Blaupunkt Werke Gmbh Schaltungsanordnung zur Erkennung und Unterdrückung von Nachbarkanalstörungen
GB2270223B (en) * 1992-08-29 1996-06-19 Motorola Israel Ltd A communications system
US5410733A (en) * 1993-02-11 1995-04-25 Nokia Mobile Phones Ltd. Received signal strength information measurement useful in a mobile telephone system having mobile assisted handoff capability
JP2531353B2 (ja) * 1993-07-21 1996-09-04 日本電気株式会社 無線受信機
US5465410A (en) * 1994-11-22 1995-11-07 Motorola, Inc. Method and apparatus for automatic frequency and bandwidth control

Also Published As

Publication number Publication date
JP3241989B2 (ja) 2001-12-25
FI950106A0 (fi) 1995-01-10
JPH08251043A (ja) 1996-09-27
EP0722226A1 (en) 1996-07-17
US5809399A (en) 1998-09-15

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