TW431077B - Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method of suppression - Google Patents

Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method of suppression

Info

Publication number
TW431077B
TW431077B TW087103723A TW87103723A TW431077B TW 431077 B TW431077 B TW 431077B TW 087103723 A TW087103723 A TW 087103723A TW 87103723 A TW87103723 A TW 87103723A TW 431077 B TW431077 B TW 431077B
Authority
TW
Taiwan
Prior art keywords
burst
shift
suppression
corresponding method
direct conversion
Prior art date
Application number
TW087103723A
Other languages
English (en)
Inventor
Helene Vogel
Michel Galligo
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of TW431077B publication Critical patent/TW431077B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc 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
    • H04L25/062—Setting decision thresholds using feedforward techniques only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW087103723A 1997-03-13 1998-03-17 Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method of suppression TW431077B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9702992A FR2760926B1 (fr) 1997-03-13 1997-03-13 Dispositif de supression des sauts parasites de composante continue pour recepteur radio de type frequence intermediaire zero et procede de suppression correspondant

Publications (1)

Publication Number Publication Date
TW431077B true TW431077B (en) 2001-04-21

Family

ID=9504701

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087103723A TW431077B (en) 1997-03-13 1998-03-17 Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method of suppression

Country Status (9)

Country Link
US (1) US6246728B1 (zh)
EP (1) EP0866587A1 (zh)
JP (1) JPH10303765A (zh)
KR (1) KR19980080175A (zh)
AU (1) AU739032B2 (zh)
CA (1) CA2230087A1 (zh)
FR (1) FR2760926B1 (zh)
SG (1) SG71766A1 (zh)
TW (1) TW431077B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60001960T2 (de) * 1999-05-24 2003-11-13 Level One Communications, Inc. Automatische verstärkungsregelung und offsetkorrektur
CN114142881B (zh) * 2022-02-07 2022-06-21 上海擎昆信息科技有限公司 一种去直流方法及系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462073A1 (fr) * 1979-07-17 1981-02-06 Thomson Csf Procede et dispositif pour l'extraction de donnees numeriques en presence de bruit et de distorsions
US4887050A (en) * 1989-03-31 1989-12-12 Motorola, Inc. Frequency control apparatus and method for a digital radio receiver
GB9211712D0 (en) * 1992-06-03 1992-07-15 Fujitsu Microelectronics Ltd Gm digital receive processing
GB2267629B (en) * 1992-06-03 1995-10-25 Fujitsu Ltd Signal error reduction in receiving apparatus
US5311544A (en) * 1992-11-19 1994-05-10 Samsung Electronics Co., Ltd. Receiver of a direct sequence spread spectrum system
US5883548A (en) * 1997-11-10 1999-03-16 The United States Of America As Represented By The Secretary Of The Navy Demodulation system and method for recovering a signal of interest from an undersampled, modulated carrier

Also Published As

Publication number Publication date
AU739032B2 (en) 2001-10-04
AU5830498A (en) 1998-09-17
EP0866587A1 (fr) 1998-09-23
JPH10303765A (ja) 1998-11-13
SG71766A1 (en) 2000-05-23
KR19980080175A (ko) 1998-11-25
FR2760926B1 (fr) 1999-04-16
US6246728B1 (en) 2001-06-12
FR2760926A1 (fr) 1998-09-18
CA2230087A1 (fr) 1998-09-13

Similar Documents

Publication Publication Date Title
AU716365B2 (en) Dual-mode radio receiver for receiving narrowband and wideband signals
KR100265020B1 (ko) Cdma 시스템에서 이동 접속을 위한 tdma
US5390166A (en) Method for recovering a data signal using diversity in a radio frequency, time division multiple access communication system
US6757340B1 (en) Radio receiver and method for preloading an average DC-offset into a channel filter
EP0856952A3 (en) A method and a circuit arrangement for the processing of received signals in a telecommunication system
US20070091865A1 (en) Communication station having an improved antenna system
CA2489395A1 (en) Filters for combined radiotelephone/gps terminals
EP1160993A3 (en) Adaptive wireless communication receiver
CA2363865A1 (en) Wireless direct sequence spread spectrum digital cellular telephone system
AU1696301A (en) Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
AU3128399A (en) Distortion correction circuit for direct conversion receiver
CA2294269A1 (en) A method and a system in a cellular network
JP2001166026A (ja) 無線端末位置測定方法およびそれを用いた端末装置、端末位置管理局装置
EP1156590A1 (en) Receiver and gain control method
WO2000077938A3 (en) Receiving station with interference signal suppression
AU767290B2 (en) Receiver and gain control method of the same
MY124366A (en) A method and an apparatus for estimating residual noise in a signal and an apparatus utilizing the method
EP0757451A3 (en) Short burst acquisition circuit for direct sequence spread spectrum links
US5450442A (en) Digital radio telephone apparatus having an equalizer selectively employed in the apparatus
US7277405B2 (en) Timing recovery and cross talk prevention in the presence of co-channel interference
TW431077B (en) Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method of suppression
GB2238449A (en) TDMA systems
AU720022B2 (en) Synchronization method, and associated circuitry, for improved synchronization of a receiver with a transmitter using nonlinear transformation metrics
US6449464B1 (en) Method of reporting signal quality measurements from a mobile terminal with enhanced demodulation algorithm
KR100333729B1 (ko) 트리플 모드형 무선주파수 가변이득증폭 중계장치

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees