ATE464699T1 - Kommunikationsendgerät mit einem empfänger und verfahren zur entfernung bekannter störungen von einem digitalisierten zwischenfrequenzsignal - Google Patents

Kommunikationsendgerät mit einem empfänger und verfahren zur entfernung bekannter störungen von einem digitalisierten zwischenfrequenzsignal

Info

Publication number
ATE464699T1
ATE464699T1 AT00979496T AT00979496T ATE464699T1 AT E464699 T1 ATE464699 T1 AT E464699T1 AT 00979496 T AT00979496 T AT 00979496T AT 00979496 T AT00979496 T AT 00979496T AT E464699 T1 ATE464699 T1 AT E464699T1
Authority
AT
Austria
Prior art keywords
intermediate frequency
frequency signal
receiver
communications terminal
digitally
Prior art date
Application number
AT00979496T
Other languages
English (en)
Inventor
Bjoern Lindquist
Sven Mattisson
Jan Celander
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE464699T1 publication Critical patent/ATE464699T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Circuits Of Receivers In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT00979496T 1999-10-22 2000-10-13 Kommunikationsendgerät mit einem empfänger und verfahren zur entfernung bekannter störungen von einem digitalisierten zwischenfrequenzsignal ATE464699T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/426,782 US6373909B2 (en) 1999-10-22 1999-10-22 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
PCT/EP2000/010094 WO2001031798A1 (en) 1999-10-22 2000-10-13 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal

Publications (1)

Publication Number Publication Date
ATE464699T1 true ATE464699T1 (de) 2010-04-15

Family

ID=23692180

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00979496T ATE464699T1 (de) 1999-10-22 2000-10-13 Kommunikationsendgerät mit einem empfänger und verfahren zur entfernung bekannter störungen von einem digitalisierten zwischenfrequenzsignal

Country Status (9)

Country Link
US (1) US6373909B2 (de)
EP (1) EP1224741B1 (de)
JP (1) JP2003513503A (de)
CN (1) CN100392988C (de)
AT (1) ATE464699T1 (de)
AU (1) AU1696301A (de)
DE (1) DE60044199D1 (de)
MY (1) MY122582A (de)
WO (1) WO2001031798A1 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3301735B2 (ja) * 1998-12-08 2002-07-15 日本無線株式会社 干渉波キャンセル装置
US6697613B1 (en) * 2000-08-08 2004-02-24 Skyworks Solutions, Inc. System for canceling internal interference in a receiver
FR2821218B1 (fr) * 2001-02-22 2006-06-23 Cit Alcatel Dispositif de reception pour un terminal de radiocommunication mobile
US20020127982A1 (en) * 2001-03-07 2002-09-12 Nokia Mobile Phones Ltd Mobile station receiver operable for both single and multi-carrier reception
US6839551B1 (en) * 2001-05-21 2005-01-04 National Semiconductor Corporation Radio frequency mixer and method of operation
FI20011219A0 (fi) * 2001-06-08 2001-06-08 Nokia Corp Digitaalinen häiriö
US6775530B2 (en) 2001-11-27 2004-08-10 Qualcomm Inc. Direct conversion of narrow-band RF signals
US6845232B2 (en) * 2002-03-25 2005-01-18 Broadcom Corporation Analog peak detection circuitry for radio receivers
US7702049B2 (en) * 2003-09-30 2010-04-20 Intel Corporation Signal conversion apparatus, systems, and methods
US7177613B2 (en) * 2004-09-30 2007-02-13 Texas Instruments Incorporated Reducing noise and distortion in a receiver system
US7466972B2 (en) * 2005-02-17 2008-12-16 Samsung Electronics Co., Ltd. System and method for optimized receiver performance in a low intermediate frequency architecture for edge
US7489270B2 (en) * 2005-04-15 2009-02-10 Novariant, Inc. GNSS line bias measurement system and method
US7580692B2 (en) * 2006-05-16 2009-08-25 Research In Motion Limited Mobile wireless communications device having low-IF receiver circuitry that adapts to radio environment
EP2082486A1 (de) * 2006-10-17 2009-07-29 Interdigital Technology Corporation Sender/empfänger mit einem hybriden anpassbaren störungslöscher zum entfernen von durch den sender erzeugten störsignalen
US8144811B2 (en) * 2007-01-26 2012-03-27 Qualcomm Atheros, Inc. Hybrid zero-IF receiver
US7924946B2 (en) 2007-09-12 2011-04-12 Fitipower Integrated Technology, Inc. Method for recovering a baseband signal from an RF signal
CN101155000B (zh) * 2007-09-30 2010-12-15 广东工业大学 一种强抗干扰的中频信号调理装置
US8254855B2 (en) * 2008-05-07 2012-08-28 Qualcomm, Incorporated Frequency spur detection and suppression
GB2460297A (en) * 2008-05-29 2009-12-02 Cambridge Silicon Radio Ltd Creation of an interference cancelling signal by frequency conversion to the passband of an intermediate filter.
CN101420246B (zh) * 2008-11-21 2013-09-11 华为技术有限公司 一种收发信机抵消发射干扰的方法、设备及收发信机
JP4758483B2 (ja) * 2009-01-15 2011-08-31 シャープ株式会社 電子装置
US8284817B2 (en) 2010-06-30 2012-10-09 Qualcomm Atheros, Inc. Measuring received signal strength on neighboring frequencies of a channel with interference in a wireless device
US8742749B2 (en) * 2011-05-26 2014-06-03 Tektronix, Inc. Test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing
US9568503B2 (en) 2011-05-26 2017-02-14 Tektronix, Inc. Calibration for test and measurement instrument including asynchronous time-interleaved digitizer using harmonic mixing
DE102011079086A1 (de) * 2011-06-14 2012-12-20 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Messgerät zur Unterdrückung von Störsignalen
GB201115119D0 (en) 2011-09-01 2011-10-19 Multi Mode Multi Media Solutions Nv Generation of digital clock for system having RF circuitry
CN102594463B (zh) * 2012-02-16 2014-09-17 电子科技大学 一种单个载体中多种电磁设备间同时同频工作的方法及设备
WO2013147581A1 (en) 2012-03-30 2013-10-03 Motorola Solutions, Inc. Method and apparatus for reducing fm audio artifacts in a receiver
US9509308B2 (en) 2014-09-30 2016-11-29 Synaptics Incorporated Supply-modulation cross domain data interface
US9712317B2 (en) * 2015-02-17 2017-07-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Carrier synchronization appropriate for ALM NFC data transmission
US9603155B2 (en) * 2015-07-31 2017-03-21 Corning Optical Communications Wireless Ltd Reducing leaked downlink interference signals in a remote unit uplink path(s) in a distributed antenna system (DAS)
WO2017106209A1 (en) 2015-12-13 2017-06-22 GenXComm, Inc. Interference cancellation methods and apparatus
US10257746B2 (en) * 2016-07-16 2019-04-09 GenXComm, Inc. Interference cancellation methods and apparatus
US10756798B2 (en) * 2016-08-04 2020-08-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and transmitter for transmit beamforming in a wireless communication system
US9894612B1 (en) 2016-11-03 2018-02-13 Corning Optical Communications Wireless Ltd Reducing power consumption in a remote unit of a wireless distribution system (WDS) for intermodulation product suppression
KR102571048B1 (ko) * 2017-12-19 2023-08-24 스마트스카이 네트웍스 엘엘씨 안테나 시스템 위상 분포에 기반한 간섭 완화
US11150409B2 (en) 2018-12-27 2021-10-19 GenXComm, Inc. Saw assisted facet etch dicing
US11121785B2 (en) 2019-01-10 2021-09-14 Exfo Inc. Detection and tracking of interferers in a RF spectrum with multi-lane processing
US10735109B1 (en) 2019-01-11 2020-08-04 Exfo Inc. Automated analysis of RF spectrum
US10804944B1 (en) * 2019-03-29 2020-10-13 Ali Corporation Narrowband filter having sharp filtering characteristic
US10727945B1 (en) 2019-07-15 2020-07-28 GenXComm, Inc. Efficiently combining multiple taps of an optical filter
US11215755B2 (en) 2019-09-19 2022-01-04 GenXComm, Inc. Low loss, polarization-independent, large bandwidth mode converter for edge coupling
US11539394B2 (en) 2019-10-29 2022-12-27 GenXComm, Inc. Self-interference mitigation in in-band full-duplex communication systems
US11540234B2 (en) 2019-12-05 2022-12-27 Exfo Inc. Automated narrow peak interference severity estimation
CN111901261B (zh) * 2020-07-03 2022-04-05 锐迪科创微电子（北京）有限公司 幅度偏移的校准方法、设备以及存储介质
US11796737B2 (en) 2020-08-10 2023-10-24 GenXComm, Inc. Co-manufacturing of silicon-on-insulator waveguides and silicon nitride waveguides for hybrid photonic integrated circuits
US11838056B2 (en) 2021-10-25 2023-12-05 GenXComm, Inc. Hybrid photonic integrated circuits for ultra-low phase noise signal generators

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290220A (ja) * 1986-06-10 1987-12-17 Nissan Motor Co Ltd 周期性ノイズの除去装置
US5140699A (en) 1990-12-24 1992-08-18 American Nucleonics Corporation Detector DC offset compensator
GB9211712D0 (en) 1992-06-03 1992-07-15 Fujitsu Microelectronics Ltd Gm digital receive processing
CA2125468C (en) 1993-06-28 1998-04-21 Danny Thomas Pinckley Method of selectively reducing spectral components in a wideband radio frequency signal
JP3565281B2 (ja) 1993-10-08 2004-09-15 ソニー株式会社 受信機
US5479453A (en) * 1993-12-29 1995-12-26 Tsci Corporation Wireless telecommunication digital receiver
US5812590A (en) 1996-02-28 1998-09-22 Motorola, Inc. Frequency spreading clock modulation
JPH07297869A (ja) * 1994-04-25 1995-11-10 Matsushita Electric Ind Co Ltd 受信装置
JPH07303126A (ja) 1994-05-02 1995-11-14 Matsushita Electric Ind Co Ltd 受信装置
JPH0870258A (ja) 1994-09-30 1996-03-12 Matsushita Electric Ind Co Ltd 無線装置
US5579347A (en) * 1994-12-28 1996-11-26 Telefonaktiebolaget Lm Ericsson Digitally compensated direct conversion receiver
JPH0983588A (ja) * 1995-09-18 1997-03-28 Mitsubishi Electric Corp 復調器及び変復調システム及び復調方法
GB9617423D0 (en) * 1995-10-11 1996-10-02 Philips Electronics Nv Receiver circuit
US5914990A (en) * 1995-11-22 1999-06-22 Telefonaktiebolaget Lm Ericsson Filtering in a receiver that uses log-polar signal processing
JPH09168037A (ja) 1995-12-15 1997-06-24 Matsushita Electric Ind Co Ltd ダイレクトコンバージョン受信機
JPH09214372A (ja) 1996-02-07 1997-08-15 Kokusai Electric Co Ltd 無線受信機
FI100929B (fi) * 1996-04-26 1998-03-13 Nokia Mobile Phones Ltd Menetelmä ja järjestely kellotaajuuden muodostamiseksi radiolaitteessa
US5838735A (en) * 1996-07-08 1998-11-17 Telefonaktiebolaget Lm Ericsson Method and apparatus for compensating for a varying d.c. offset in a sampled signal
JPH1041992A (ja) 1996-07-24 1998-02-13 Nippon Telegr & Teleph Corp <Ntt> 準同期検波復調装置
JPH1056489A (ja) * 1996-08-08 1998-02-24 Toshiba Corp ディジタル変調信号復調装置
WO1998009393A1 (de) 1996-08-27 1998-03-05 Siemens Aktiengesellschaft Verfahren zur reduzierung der eigenstörung in mobilfunkgeräten
EP0881785A1 (de) 1997-05-29 1998-12-02 Alcatel Telekommunikationssystem, Funksystem und -verfahren
JPH11234150A (ja) * 1998-02-09 1999-08-27 Toshiba Corp デジタル復調装置
JPH11284677A (ja) * 1998-03-27 1999-10-15 Nec Corp 復調器とこれを用いたディジタル無線通信システム
US6259752B1 (en) * 2000-02-01 2001-07-10 Conexant Systems, Inc. System for cancelling internal interference in a receiver

Also Published As

Publication number Publication date
DE60044199D1 (de) 2010-05-27
CN1413387A (zh) 2003-04-23
MY122582A (en) 2006-04-29
EP1224741A1 (de) 2002-07-24
EP1224741B1 (de) 2010-04-14
CN100392988C (zh) 2008-06-04
AU1696301A (en) 2001-05-08
JP2003513503A (ja) 2003-04-08
US20010040932A1 (en) 2001-11-15
US6373909B2 (en) 2002-04-16
WO2001031798A1 (en) 2001-05-03

Similar Documents

Publication Publication Date Title
ATE464699T1 (de) Kommunikationsendgerät mit einem empfänger und verfahren zur entfernung bekannter störungen von einem digitalisierten zwischenfrequenzsignal
EP1176731B1 (de) Schmalbandinterferenzunterdrückung in einem Breitband-Kommunikationsgerät
ATE301885T1 (de) Empfänger und verfahren zur unterdrückung von gleichkanalstörungen
GB2341493B (en) Digital interference suppression system for radio frequency interference cancellation
DE69426013D1 (de) Verfahren zur automatischen Abstimmung einer Antenne bzw. zur Demodulation eines FSK modulierten Signals
DE69801284D1 (de) Vorrichtung zur filterung von funkfernsprechgeräten
ATE504118T1 (de) Vorrichtung zur störsignalkompensation in einem direktkonversionssender-empfänger und verfahren dazu
ATE538574T1 (de) Verfahren und vorrichtung zur unterdrückung von co-kanalstörungen in einem empfänger
EP1814277A3 (de) Rauschunterdrückungsverfahren und -vorrichtung
CA2217429A1 (en) Techniques for simultaneous communications of analog frequency-modulated and digital modulated signals using postcanceling scheme
AU2002327014A1 (en) Efficient methods for filtering to avoid inter-symbol interference and processing digital signals having large frequency guard bands
MY133723A (en) &#34;apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal&#34;
MXPA06013733A (es) Deteccion de evento de ciclo entero utilizando sistema y metodo de filtro de paso de ondita.
WO2000003493A3 (en) Cdma receiver and method of operation
WO2001039450A3 (en) Method and apparatus for tracking the magnitude of a transmitted signal
KR100381002B1 (ko) 무선통신 시스템에서의 펄스형 간섭 제거 장치
DE50204479D1 (de) Verfahren zur kompensation einer stufenförmigen dc-störung in einem digitalen basisbandsignal eines homodyn-funkempfängers
ATE303678T1 (de) System und verfahren zur rauschunterdrückung in einem kommunikationssignal
DE69009286D1 (de) Filteranordnung zur Unterdrückung der Radiofrequenzstörungen an Übertragungsleitungen.
EP0785636A3 (de) Gerät und Verfahren zur Signalverarbeitung
DE69941867D1 (de) Empfänger für den Empfang von digitalen Rundfunkprogrammen
TW431077B (en) Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method of suppression
TW429671B (en) Digital television broadcasting signal receiver
IL126654A0 (en) Digital radio frequency interference canceller
BR6301341U (pt) Terminal blindado supressor de ruido por interferencia de radio frequencia

Legal Events

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