DK1235356T3 - Modtageanordning til mobil radiokommunikationsterminal - Google Patents

Modtageanordning til mobil radiokommunikationsterminal

Info

Publication number
DK1235356T3
DK1235356T3 DK02290222T DK02290222T DK1235356T3 DK 1235356 T3 DK1235356 T3 DK 1235356T3 DK 02290222 T DK02290222 T DK 02290222T DK 02290222 T DK02290222 T DK 02290222T DK 1235356 T3 DK1235356 T3 DK 1235356T3
Authority
DK
Denmark
Prior art keywords
circuit
filter
frequency
pass filter
mobile radio
Prior art date
Application number
DK02290222T
Other languages
English (en)
Inventor
Rocha Alexandre Da
Jean-Hugues Perrin
Paul Anandanarayanane
Original Assignee
Tcl & Alcatel Mobile Phones
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 Tcl & Alcatel Mobile Phones filed Critical Tcl & Alcatel Mobile Phones
Application granted granted Critical
Publication of DK1235356T3 publication Critical patent/DK1235356T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/30Circuits for homodyne or synchrodyne receivers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008Compensating DC offsets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062Setting decision thresholds using feedforward techniques only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Structure Of Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transceivers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Telephone Function (AREA)
DK02290222T 2001-02-22 2002-01-31 Modtageanordning til mobil radiokommunikationsterminal DK1235356T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0102391A FR2821218B1 (fr) 2001-02-22 2001-02-22 Dispositif de reception pour un terminal de radiocommunication mobile

Publications (1)

Publication Number Publication Date
DK1235356T3 true DK1235356T3 (da) 2006-02-20

Family

ID=8860301

Family Applications (1)

Application Number Title Priority Date Filing Date
DK02290222T DK1235356T3 (da) 2001-02-22 2002-01-31 Modtageanordning til mobil radiokommunikationsterminal

Country Status (8)

Country Link
US (1) US7099418B2 (da)
EP (1) EP1235356B1 (da)
CN (1) CN1287623C (da)
AT (1) ATE306749T1 (da)
DE (1) DE60206538T2 (da)
DK (1) DK1235356T3 (da)
ES (1) ES2251568T3 (da)
FR (1) FR2821218B1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2343862T3 (es) * 2006-09-13 2010-08-11 Telefonaktiebolaget Lm Ericsson (Publ) Metodos y disposiciones para un emisor y receptor de conversacion/audio.
US8055235B1 (en) * 2008-05-02 2011-11-08 Hypres, Inc. System and method for digital interference cancellation
CN110162739B (zh) * 2019-04-30 2023-05-02 哈尔滨工业大学 基于变遗忘因子的rffklms算法权值更新优化方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422909A (en) * 1993-11-30 1995-06-06 Motorola, Inc. Method and apparatus for multi-phase component downconversion
US5724653A (en) * 1994-12-20 1998-03-03 Lucent Technologies Inc. Radio receiver with DC offset correction circuit
GB9605719D0 (en) * 1996-03-19 1996-05-22 Philips Electronics Nv Integrated receiver
JPH09321559A (ja) * 1996-05-24 1997-12-12 Oki Electric Ind Co Ltd 自動利得制御回路
US6029058A (en) * 1996-07-19 2000-02-22 The Board Of Trustee Of The Leland Stanford Junior University Spectrum control for direct conversion radio frequency reception
US5937341A (en) * 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
US6819927B1 (en) * 1996-10-18 2004-11-16 Matsushita Electric Industrial Co., Ltd. Communication method for use by a mobile station in a mobile communication system of CDMA
JP2993443B2 (ja) * 1996-10-31 1999-12-20 日本電気株式会社 通信装置
EP0895385A1 (en) * 1997-07-29 1999-02-03 Alcatel DC offset reduction for burst mode reception
JP3216597B2 (ja) * 1998-02-09 2001-10-09 日本電気株式会社 ダイレクトコンバージョン受信装置
EP0940930B1 (en) * 1998-03-03 2012-09-26 NEC Corporation Method of controlling transmission power in a cellular type mobile communication system
US6292519B1 (en) * 1998-03-11 2001-09-18 Telefonaktiebolaget Lm Ericsson (Publ) Correction of signal-to-interference ratio measurements
SE512965C2 (sv) * 1998-09-15 2000-06-12 Ericsson Telefon Ab L M Metod och anordning för att reducera fel i DC nivå i ett TDMA system
US6757340B1 (en) * 1999-02-22 2004-06-29 Telefonaktiebolaget L M Ericsson (Publ) Radio receiver and method for preloading an average DC-offset into a channel filter
US6370205B1 (en) * 1999-07-02 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for performing DC-offset compensation in a radio receiver
US6373909B2 (en) * 1999-10-22 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
JP3844934B2 (ja) * 2000-03-03 2006-11-15 株式会社日立コミュニケーションテクノロジー 基地局装置、移動通信システム及び送信電力制御方法

Also Published As

Publication number Publication date
CN1372426A (zh) 2002-10-02
ES2251568T3 (es) 2006-05-01
DE60206538D1 (de) 2006-02-23
EP1235356A1 (fr) 2002-08-28
EP1235356B1 (fr) 2005-10-12
DE60206538T2 (de) 2006-06-22
FR2821218B1 (fr) 2006-06-23
US7099418B2 (en) 2006-08-29
FR2821218A1 (fr) 2002-08-23
US20020141521A1 (en) 2002-10-03
CN1287623C (zh) 2006-11-29
ATE306749T1 (de) 2005-10-15

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