GB2343343B - Improvements in or relating to signal extraction - Google Patents

Improvements in or relating to signal extraction

Info

Publication number
GB2343343B
GB2343343B GB9913872A GB9913872A GB2343343B GB 2343343 B GB2343343 B GB 2343343B GB 9913872 A GB9913872 A GB 9913872A GB 9913872 A GB9913872 A GB 9913872A GB 2343343 B GB2343343 B GB 2343343B
Authority
GB
United Kingdom
Prior art keywords
relating
signal extraction
extraction
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
GB9913872A
Other versions
GB2343343A (en
GB9913872D0 (en
Inventor
Anthony Peter Hulbert
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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
Application filed by Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of GB9913872D0 publication Critical patent/GB9913872D0/en
Priority to CNB998125288A priority Critical patent/CN1134119C/en
Priority to EP99950998A priority patent/EP1125369B1/en
Priority to CNA031522025A priority patent/CN1496043A/en
Priority to DE69915854T priority patent/DE69915854T2/en
Priority to US09/830,466 priority patent/US7050481B1/en
Priority to ES99950998T priority patent/ES2219069T3/en
Priority to JP2000578920A priority patent/JP2002528992A/en
Priority to PCT/GB1999/003546 priority patent/WO2000025438A1/en
Publication of GB2343343A publication Critical patent/GB2343343A/en
Application granted granted Critical
Publication of GB2343343B publication Critical patent/GB2343343B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
GB9913872A 1998-10-27 1999-06-16 Improvements in or relating to signal extraction Expired - Fee Related GB2343343B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US09/830,466 US7050481B1 (en) 1998-10-27 1999-10-26 Method for improved extraction in CDMA systems
EP99950998A EP1125369B1 (en) 1998-10-27 1999-10-26 Method and apparatus for improved signal extraction in cdma systems
CNA031522025A CN1496043A (en) 1998-10-27 1999-10-26 Improved extraction method for CDMA system
DE69915854T DE69915854T2 (en) 1998-10-27 1999-10-26 METHOD AND APPARATUS FOR IMPROVED SIGNAL RECOVERY IN CDMA SYSTEMS
CNB998125288A CN1134119C (en) 1998-10-27 1999-10-26 Method for improved extraction in CDMA systems
ES99950998T ES2219069T3 (en) 1998-10-27 1999-10-26 A SYSTEM FOR EXTRACTION IMPROVED IN CDMA SYSTEMS.
JP2000578920A JP2002528992A (en) 1998-10-27 1999-10-26 Signal extraction method in CDMA system
PCT/GB1999/003546 WO2000025438A1 (en) 1998-10-27 1999-10-26 A method for improved extraction in cdma systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9823439.6A GB9823439D0 (en) 1998-10-27 1998-10-27 Method of extracting a desired signal

Publications (3)

Publication Number Publication Date
GB9913872D0 GB9913872D0 (en) 1999-08-11
GB2343343A GB2343343A (en) 2000-05-03
GB2343343B true GB2343343B (en) 2003-08-13

Family

ID=10841325

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9823439.6A Ceased GB9823439D0 (en) 1998-10-27 1998-10-27 Method of extracting a desired signal
GB9913872A Expired - Fee Related GB2343343B (en) 1998-10-27 1999-06-16 Improvements in or relating to signal extraction

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9823439.6A Ceased GB9823439D0 (en) 1998-10-27 1998-10-27 Method of extracting a desired signal

Country Status (1)

Country Link
GB (2) GB9823439D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7570576B2 (en) * 2001-06-08 2009-08-04 Broadcom Corporation Detection and mitigation of temporary (bursts) impairments in channels using SCDMA
US7236545B2 (en) * 2001-06-08 2007-06-26 Broadcom Corporation Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034139A1 (en) * 1994-06-03 1995-12-14 Motorola Inc. Method and apparatus for subscriber power level adjustment in a communication system
US5644592A (en) * 1995-04-24 1997-07-01 California Institute Of Technology Parallel interference cancellation for CDMA applications

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034139A1 (en) * 1994-06-03 1995-12-14 Motorola Inc. Method and apparatus for subscriber power level adjustment in a communication system
US5644592A (en) * 1995-04-24 1997-07-01 California Institute Of Technology Parallel interference cancellation for CDMA applications

Also Published As

Publication number Publication date
GB9823439D0 (en) 1998-12-23
GB2343343A (en) 2000-05-03
GB9913872D0 (en) 1999-08-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031113