CA1215127A - Receiver for multicarrier signals protected from unwanted signals - Google Patents

Receiver for multicarrier signals protected from unwanted signals

Info

Publication number
CA1215127A
CA1215127A CA000427223A CA427223A CA1215127A CA 1215127 A CA1215127 A CA 1215127A CA 000427223 A CA000427223 A CA 000427223A CA 427223 A CA427223 A CA 427223A CA 1215127 A CA1215127 A CA 1215127A
Authority
CA
Canada
Prior art keywords
circuit
output
signal
intermediate frequency
signals
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
Application number
CA000427223A
Other languages
English (en)
French (fr)
Inventor
Michel Carpe
Marc Pontif
Claude Collin
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of CA1215127A publication Critical patent/CA1215127A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
  • Radio Transmission System (AREA)
CA000427223A 1982-05-04 1983-05-02 Receiver for multicarrier signals protected from unwanted signals Expired CA1215127A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8207754A FR2526609A1 (fr) 1982-05-04 1982-05-04 Recepteur de signaux multiporteuses protege des signaux perturbateurs
FR8207754 1982-05-04

Publications (1)

Publication Number Publication Date
CA1215127A true CA1215127A (en) 1986-12-09

Family

ID=9273719

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000427223A Expired CA1215127A (en) 1982-05-04 1983-05-02 Receiver for multicarrier signals protected from unwanted signals

Country Status (6)

Country Link
US (1) US4509206A (enExample)
EP (1) EP0093651B1 (enExample)
JP (1) JPS58204635A (enExample)
CA (1) CA1215127A (enExample)
DE (1) DE3363368D1 (enExample)
FR (1) FR2526609A1 (enExample)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665560A (en) * 1985-05-20 1987-05-12 Texas Instruments Incorporated Wide band automatic gain control with limiting amplifiers
JPH0338906A (ja) * 1989-07-05 1991-02-20 Pioneer Electron Corp 受信装置
US5384547A (en) * 1993-08-02 1995-01-24 Motorola, Inc. Apparatus and method for attenuating a multicarrier input signal of a linear device
SE503548C2 (sv) * 1993-10-01 1996-07-01 Telia Ab Anordning i OFDM fleranvändarsystem
US5625871A (en) * 1994-09-30 1997-04-29 Lucent Technologies Inc. Cellular communications system with multicarrier signal processing
US5570350A (en) * 1994-09-30 1996-10-29 Lucent Technologies Inc. CDMA cellular communications with multicarrier signal processing
US5745846A (en) * 1995-08-07 1998-04-28 Lucent Technologies, Inc. Channelized apparatus for equalizing carrier powers of multicarrier signal
US6075991A (en) * 1996-03-08 2000-06-13 Watkins-Johnson Company Wireless base station with near-far gain compensation
US6078796A (en) * 1998-01-29 2000-06-20 Motorola, Inc. Method and apparatus for receiving a wideband signal using multiple automatic gain controllers
US6891887B1 (en) 1998-05-27 2005-05-10 3Com Corporation Multi-carrier LAN adapter device using interpolative equalizer
US6507585B1 (en) 1998-05-27 2003-01-14 3Com Corporation Multi-carrier LAN adapter device using frequency domain equalizer
US6704317B1 (en) 1998-05-27 2004-03-09 3Com Corporation Multi-carrier LAN modem server
US6603811B1 (en) 1998-05-29 2003-08-05 3Com Corporation Low complexity frequency domain equalizer having fast re-lock
US6377683B1 (en) 1998-05-29 2002-04-23 3Com Corporation Low complexity frequency domain echo canceller for DMT transceivers
US6477182B2 (en) * 1999-06-08 2002-11-05 Diva Systems Corporation Data transmission method and apparatus
EP1156589B1 (en) * 2000-05-17 2008-01-09 Sony Deutschland GmbH AM receiver
DE60037583T2 (de) 2000-08-24 2009-01-08 Sony Deutschland Gmbh Kommunikationseinrichtung zum Senden und Empfangen von OFDM Signalen in einem Funkkommunikationssystem
JP2002176239A (ja) * 2000-12-06 2002-06-21 Agilent Technologies Japan Ltd 高周波回路基板の接続装置及び接続方法
EP1525678B1 (en) 2002-06-21 2008-07-30 QUALCOMM Incorporated Wireless local area network repeater
EP1531565A4 (en) * 2002-07-04 2007-04-25 Fujitsu Ltd Radio receiver
US20050124308A1 (en) * 2002-07-04 2005-06-09 Yasuhiro Shibuya Radio receiver
US8885688B2 (en) * 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
WO2004062305A1 (en) * 2002-12-16 2004-07-22 Widefi, Inc. Improved wireless network repeater
GB2409616B (en) * 2002-10-11 2006-02-01 Widefi Inc Reducing loop effects in a wireless local area network repeater
US8078100B2 (en) 2002-10-15 2011-12-13 Qualcomm Incorporated Physical layer repeater with discrete time filter for all-digital detection and delay generation
JP4541891B2 (ja) * 2002-10-15 2010-09-08 クゥアルコム・インコーポレイテッド ネットワーク・カバレージを拡張するための自動利得制御を備えた無線ローカルエリア・ネットワークの中継器
CN1706117B (zh) * 2002-10-24 2010-06-23 高通股份有限公司 具有带内控制信道的无线局域网中继器
US7230935B2 (en) * 2002-10-24 2007-06-12 Widefi, Inc. Physical layer repeater with selective use of higher layer functions based on network operating conditions
BR0316218A (pt) 2002-11-15 2005-09-27 Widefi Inc Método e aparelho para detectar a presença de um sinal em um de pelo menos dois canais de frequência em um repetidor de translação de frequência para uso em uma rede de área local sem fios (wlan)
JP3905108B2 (ja) * 2003-01-30 2007-04-18 富士通株式会社 マルチキャリア受信装置
US8027642B2 (en) 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
US7233771B2 (en) * 2004-05-13 2007-06-19 Widefi, Inc. Non-frequency translating repeater with downlink detection for uplink and downlink synchronization
KR20070026558A (ko) * 2004-06-03 2007-03-08 위데피, 인코포레이티드 저가의 고성능 국부 발진기 구조를 갖는 주파수 변환반복기
WO2006081405A2 (en) * 2005-01-28 2006-08-03 Widefi, Inc. Physical layer repeater configuration for increasing mino performance
CN101636930A (zh) * 2006-03-31 2010-01-27 高通股份有限公司 用于在WiMAX系统中操作的增强型物理层中继器
CN101512919B (zh) * 2006-09-01 2013-05-15 高通股份有限公司 具有带增强隔离适应的双重接收器或传输器天线配置的中继器
EP2064903A4 (en) * 2006-09-21 2011-12-14 Qualcomm Inc METHOD AND APPARATUS FOR REDUCING OSCILLATION BETWEEN REPEATERS
WO2008057290A1 (en) 2006-10-26 2008-05-15 Qualcomm Incorporated Repeater techniques for multiple input multiple output utilizing beam formers
FR2927202A1 (fr) * 2008-02-04 2009-08-07 France Telecom Ponderation en puissance d'un signal multiporteuse a la reception dans un systeme de communication.
US20100074371A1 (en) * 2008-09-24 2010-03-25 Donald Lee West Ultra narrow band frequency selectior for zero point modulated carrier
IL266247B (en) * 2019-04-18 2020-10-29 Elbit Systems Land & C4I Ltd A high frequency radio that includes an adjustable bandpass filter to improve incoming call detection and incoming call processing methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042800A (en) * 1960-07-01 1962-07-03 Hughes Aircraft Co Selective automatic gain control circuit
US3411088A (en) * 1965-02-09 1968-11-12 Bell Telephone Labor Inc Automatic input power level adjustment apparatus for amplifier of a broadband repeater
US3667043A (en) * 1969-09-19 1972-05-30 Telcom Inc Constant gain bandwidth product communication satellite repeater
US3831095A (en) * 1973-03-26 1974-08-20 G Mounce Receiver system having multiple contributing channels
US4126828A (en) * 1976-07-31 1978-11-21 Trio Kabushiki Kaisha Intermodulation antiinterference device for superheterodyne receiver

Also Published As

Publication number Publication date
JPH0378812B2 (enExample) 1991-12-16
FR2526609A1 (fr) 1983-11-10
EP0093651A1 (fr) 1983-11-09
DE3363368D1 (en) 1986-06-12
FR2526609B1 (enExample) 1984-09-14
JPS58204635A (ja) 1983-11-29
US4509206A (en) 1985-04-02
EP0093651B1 (fr) 1986-05-07

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Legal Events

Date Code Title Description
MKEX Expiry