DE69834211D1 - Vorrichtung und verfahren zur verminderung der amplitude von signalen - Google Patents

Vorrichtung und verfahren zur verminderung der amplitude von signalen

Info

Publication number
DE69834211D1
DE69834211D1 DE69834211T DE69834211T DE69834211D1 DE 69834211 D1 DE69834211 D1 DE 69834211D1 DE 69834211 T DE69834211 T DE 69834211T DE 69834211 T DE69834211 T DE 69834211T DE 69834211 D1 DE69834211 D1 DE 69834211D1
Authority
DE
Germany
Prior art keywords
signals
reducing amplitude
amplitude
reducing
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
DE69834211T
Other languages
English (en)
Other versions
DE69834211T2 (de
Inventor
Harri Posti
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.)
Renesas Electronics Corp
Original Assignee
Nokia Oyj
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 Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69834211D1 publication Critical patent/DE69834211D1/de
Publication of DE69834211T2 publication Critical patent/DE69834211T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
DE69834211T 1998-12-24 1998-12-24 Vorrichtung und verfahren zur verminderung der amplitude von signalen Expired - Lifetime DE69834211T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/008446 WO2000039936A1 (en) 1998-12-24 1998-12-24 A device and method for reducing the amplitude of signals

Publications (2)

Publication Number Publication Date
DE69834211D1 true DE69834211D1 (de) 2006-05-24
DE69834211T2 DE69834211T2 (de) 2006-12-28

Family

ID=8167170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69834211T Expired - Lifetime DE69834211T2 (de) 1998-12-24 1998-12-24 Vorrichtung und verfahren zur verminderung der amplitude von signalen

Country Status (8)

Country Link
US (1) US7035360B2 (de)
EP (1) EP1142139B1 (de)
JP (1) JP3805984B2 (de)
CN (1) CN100438352C (de)
AU (1) AU2613999A (de)
DE (1) DE69834211T2 (de)
ES (1) ES2260860T3 (de)
WO (1) WO2000039936A1 (de)

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GB9828230D0 (en) * 1998-12-21 1999-02-17 Nokia Telecommunications Oy Receiver and method of receiving
US6741847B1 (en) * 2000-06-28 2004-05-25 Northrop Grumman Corporation Multi-carrier receiver frequency conversion architecture
US6735421B1 (en) * 2000-06-28 2004-05-11 Northrop Grumman Corporation Receiver including low noise amplifier and frequency down-converter for a wireless telecommunication system
US6813320B1 (en) * 2000-06-28 2004-11-02 Northrop Grumman Corporation Wireless telecommunications multi-carrier receiver architecture
US6804308B1 (en) * 2000-06-28 2004-10-12 Northrop Grumman Corporation Receiver including frequency down-converter and analog-to-digital converter for a wireless telecommunication system
US6798848B1 (en) * 2000-06-28 2004-09-28 Northrop Grumman Corporation Architecture for multi-carrier receiver
US6631255B1 (en) * 2000-06-28 2003-10-07 Northrop Grumman Corporation Multi-carrier receiver for a wireless telecommunication system
GB0110497D0 (en) * 2001-04-28 2001-06-20 Mitel Semiconductor Ltd Tuner and method of aligning a tuner
US20030069009A1 (en) * 2001-10-04 2003-04-10 Harnden Robert R. Cellular communications channelizer
US7180553B2 (en) * 2003-06-22 2007-02-20 Realtek Semiconductor Corp. Dual mode television tuner capable of processing both digital and satellite television signals and method thereof
US7262815B2 (en) * 2003-06-22 2007-08-28 Realtek Semiconductor Corp. Harmonic mixer based television tuner and method of processing a received RF signal
US7202916B2 (en) * 2003-12-15 2007-04-10 Realtek Semiconductor Corp. Television tuner and method of processing a received RF signal
US7444127B2 (en) * 2004-04-15 2008-10-28 Qualcomm Incorporated Methods and apparatus for selecting between multiple carriers using a receiver with multiple receiver chains
US6990324B2 (en) 2004-04-15 2006-01-24 Flarion Technologies, Inc. Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
GB2432750B (en) * 2005-11-23 2008-01-16 Matsushita Electric Ind Co Ltd Polyphonic ringtone annunciator with spectrum modification
US8396427B2 (en) 2008-10-23 2013-03-12 Nxp B.V. System and method for adaptive radio frequency filtering
US20100197257A1 (en) * 2009-02-04 2010-08-05 Qualcomm Incorporated Adjustable receive filter responsive to frequency spectrum information
US8204443B2 (en) 2009-02-04 2012-06-19 Qualcomm Incorporated Adjustable receive filter responsive to internal radio status
US8204444B2 (en) 2009-02-04 2012-06-19 Qualcomm Incorporated Adjustable transmission filter responsive to internal sadio status
DE102009008269B4 (de) * 2009-02-10 2023-06-29 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Rundfunkempfang
WO2012000761A1 (en) * 2010-06-28 2012-01-05 Alcatel Lucent Multicarrier receiver in a wireless telecommunication network
US8711993B2 (en) 2010-12-10 2014-04-29 Honeywell International Inc. Wideband multi-channel receiver with fixed-frequency notch filter for interference rejection
DE102011075893B4 (de) 2011-05-16 2018-08-30 Continental Automotive Gmbh Vorrichtung und Verfahren zur adaptiven Unterdrückung von In-Band-Störsignalen bei Funk-Empfängern

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US3783397A (en) * 1968-09-27 1974-01-01 Itt Selection and processing system for signals, including frequency discriminator
DE3840999A1 (de) * 1988-12-06 1990-06-07 Blaupunkt Werke Gmbh Schaltungsanordnung zur unterdrueckung schmalbandiger stoersignale
JPH06507537A (ja) * 1992-03-02 1994-08-25 モトローラ・インコーポレイテッド ダイバーシティ受信機におけるクロック復元方法および装置
US5627879A (en) * 1992-09-17 1997-05-06 Adc Telecommunications, Inc. Cellular communications system with centralized base stations and distributed antenna units
US5436942A (en) * 1993-08-17 1995-07-25 Teknekron Communications Systems, Inc. Method of equalizing digitally encoded signals transmitted in a plurality of non-contiguous time slots
WO1995012945A1 (en) * 1993-11-01 1995-05-11 Omnipoint Corporation Despreading/demodulating direct sequence spread spectrum signals
US5590156A (en) 1994-04-22 1996-12-31 Carney; Ronald Multichannel wideband digital receiver making use of multiple wideband tuners having individually selectable gains to extend overall system dynamic range
US5694395A (en) * 1994-09-30 1997-12-02 Lucent Technologies, Inc. Method and apparatus for processing multicarrier signals
US5625871A (en) * 1994-09-30 1997-04-29 Lucent Technologies Inc. Cellular communications system with multicarrier signal processing
US5748676A (en) * 1995-05-01 1998-05-05 Norand Corporation Network utilizing modified preambles that support antenna diversity
JP3319688B2 (ja) * 1996-05-14 2002-09-03 松下通信工業株式会社 データ受信装置
CA2188845A1 (en) * 1996-10-25 1998-04-25 Stephen Ross Todd Selection of an antenna operating in diversity
US6253060B1 (en) * 1996-12-20 2001-06-26 Airnet Communications Corporation Method and apparatus employing wireless remote loopback capability for a wireless system repeater to provide end-to-end testing without a wireline connection
US5710995A (en) * 1997-01-16 1998-01-20 Ford Motor Company Adaptive antenna receiver
US6112086A (en) * 1997-02-25 2000-08-29 Adc Telecommunications, Inc. Scanning RSSI receiver system using inverse fast fourier transforms for a cellular communications system with centralized base stations and distributed antenna units
US6018647A (en) * 1997-11-10 2000-01-25 Electrocom Communication Systems, Inc. Diversity reception system
US6226507B1 (en) * 1998-02-03 2001-05-01 Ericsson Inc. Apparatus and method for selecting between a plurality of antennas utilized by a microcellular communications terminal for reception of a signal
US6088569A (en) * 1998-04-23 2000-07-11 Motorola, Inc. Method and apparatus for receiving a plurality of signals having different frequency bandwidths
US6363131B1 (en) * 1998-04-29 2002-03-26 Hughes Electronics Corporation Method and apparatus for joint timing synchronization and frequency offset estimation
US6205334B1 (en) * 1998-11-24 2001-03-20 Ericsson Inc. Accelerated scanning of cellular channels by cellular radiotelephones

Also Published As

Publication number Publication date
DE69834211T2 (de) 2006-12-28
US20020054651A1 (en) 2002-05-09
AU2613999A (en) 2000-07-31
ES2260860T3 (es) 2006-11-01
JP3805984B2 (ja) 2006-08-09
EP1142139A1 (de) 2001-10-10
CN100438352C (zh) 2008-11-26
CN1327637A (zh) 2001-12-19
JP2002534834A (ja) 2002-10-15
US7035360B2 (en) 2006-04-25
EP1142139B1 (de) 2006-04-12
WO2000039936A1 (en) 2000-07-06

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Legal Events

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

Owner name: RENESAS ELECTRONICS CORPORATION, KAWASAKI, KAN, JP