GB2267629B - Signal error reduction in receiving apparatus - Google Patents

Signal error reduction in receiving apparatus

Info

Publication number
GB2267629B
GB2267629B GB9310844A GB9310844A GB2267629B GB 2267629 B GB2267629 B GB 2267629B GB 9310844 A GB9310844 A GB 9310844A GB 9310844 A GB9310844 A GB 9310844A GB 2267629 B GB2267629 B GB 2267629B
Authority
GB
United Kingdom
Prior art keywords
receiving apparatus
signal error
error reduction
reduction
signal
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 - Fee Related
Application number
GB9310844A
Other versions
GB2267629A (en
GB9310844D0 (en
Inventor
Ian Juso Dedic
Dominic Charles Royce
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Priority claimed from GB929211712A external-priority patent/GB9211712D0/en
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to GB9310844A priority Critical patent/GB2267629B/en
Publication of GB9310844D0 publication Critical patent/GB9310844D0/en
Publication of GB2267629A publication Critical patent/GB2267629A/en
Application granted granted Critical
Publication of GB2267629B publication Critical patent/GB2267629B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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

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)
GB9310844A 1992-06-03 1993-05-26 Signal error reduction in receiving apparatus Expired - Fee Related GB2267629B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9310844A GB2267629B (en) 1992-06-03 1993-05-26 Signal error reduction in receiving apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929211712A GB9211712D0 (en) 1992-06-03 1992-06-03 Gm digital receive processing
GB9310844A GB2267629B (en) 1992-06-03 1993-05-26 Signal error reduction in receiving apparatus

Publications (3)

Publication Number Publication Date
GB9310844D0 GB9310844D0 (en) 1993-07-14
GB2267629A GB2267629A (en) 1993-12-08
GB2267629B true GB2267629B (en) 1995-10-25

Family

ID=26300980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9310844A Expired - Fee Related GB2267629B (en) 1992-06-03 1993-05-26 Signal error reduction in receiving apparatus

Country Status (1)

Country Link
GB (1) GB2267629B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06237275A (en) * 1993-02-10 1994-08-23 Fujitsu Ltd Special eye pattern and modulating and demodulating system using the pattern
JPH08130564A (en) * 1994-11-02 1996-05-21 Fujitsu Ltd Eye pattern display method, communication equipment and display device
US5565932A (en) * 1994-11-08 1996-10-15 Zenith Electronics Corp. AGC system with pilot using digital data reference
US5568520A (en) * 1995-03-09 1996-10-22 Ericsson Inc. Slope drift and offset compensation in zero-IF receivers
JPH0918528A (en) * 1995-06-27 1997-01-17 Sony Corp Control signal detecting method and radio reception device
US5960028A (en) * 1995-08-11 1999-09-28 Sharp Kabushiki Kaisha Spread spectrum communication system
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
FR2760926B1 (en) * 1997-03-13 1999-04-16 Alsthom Cge Alcatel CONTINUOUS COMPONENT PARASITE JUMP SUPPRESSION DEVICE FOR ZERO INTERMEDIATE FREQUENCY TYPE RADIO RECEIVER AND CORRESPONDING SUPPRESSION METHOD
GB2323502B (en) 1997-03-18 2002-03-27 Ericsson Telefon Ab L M Radio receiver
EP0895385A1 (en) * 1997-07-29 1999-02-03 Alcatel DC offset reduction for burst mode reception
JP3095067B2 (en) 1997-12-04 2000-10-03 日本電気株式会社 DC offset canceller, receiver having the same, communication system and DC offset canceling method
EP0964555A1 (en) * 1998-06-04 1999-12-15 Siemens Aktiengesellschaft Threshold control and adaptive filtering in CAP receivers
JP2002533999A (en) * 1998-12-22 2002-10-08 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Quadrature receiver, communication system, signal processor, method of calculating DC offset, and method of operating quadrature receiver
EP1033852A1 (en) 1999-02-05 2000-09-06 Alcatel DC offset correction for direct-conversion receiver
US6370205B1 (en) 1999-07-02 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for performing DC-offset compensation in a radio receiver
US6449320B1 (en) * 1999-07-02 2002-09-10 Telefonaktiebolaget Lm Ericsson (Publ) Equalization with DC-offset compensation
GB2366460A (en) * 2000-08-24 2002-03-06 Nokia Mobile Phones Ltd DC compensation for a direct conversion radio receiver
US7177608B2 (en) * 2002-03-11 2007-02-13 Catch A Wave Technologies Personal spectrum recorder
GB0803710D0 (en) 2008-02-28 2008-04-09 Nokia Corp DC compensation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0474615A2 (en) * 1990-09-06 1992-03-11 Telefonaktiebolaget L M Ericsson D.C. offset compensation in a radio receiver
US5144256A (en) * 1990-12-31 1992-09-01 Samsung Electronics Co., Ltd. Method and apparatus for demodulating a GMSK signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0474615A2 (en) * 1990-09-06 1992-03-11 Telefonaktiebolaget L M Ericsson D.C. offset compensation in a radio receiver
US5144256A (en) * 1990-12-31 1992-09-01 Samsung Electronics Co., Ltd. Method and apparatus for demodulating a GMSK signal

Also Published As

Publication number Publication date
GB2267629A (en) 1993-12-08
GB9310844D0 (en) 1993-07-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100526