GB2381978B - Signal processing method and apparatus - Google Patents

Signal processing method and apparatus

Info

Publication number
GB2381978B
GB2381978B GB0127123A GB0127123A GB2381978B GB 2381978 B GB2381978 B GB 2381978B GB 0127123 A GB0127123 A GB 0127123A GB 0127123 A GB0127123 A GB 0127123A GB 2381978 B GB2381978 B GB 2381978B
Authority
GB
United Kingdom
Prior art keywords
signal processing
processing method
signal
processing
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
GB0127123A
Other versions
GB0127123D0 (en
GB2381978A (en
Inventor
Ewan Lindsay Frazer
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 Research and Technology UK Ltd
Original Assignee
Thales Research and Technology UK 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 Thales Research and Technology UK Ltd filed Critical Thales Research and Technology UK Ltd
Priority to GB0127123A priority Critical patent/GB2381978B/en
Publication of GB0127123D0 publication Critical patent/GB0127123D0/en
Publication of GB2381978A publication Critical patent/GB2381978A/en
Application granted granted Critical
Publication of GB2381978B publication Critical patent/GB2381978B/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
    • H04B1/71—Interference-related aspects the interference being narrowband interference
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • 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
    • H04B1/71—Interference-related aspects the interference being narrowband interference
    • H04B1/7101—Interference-related aspects the interference being narrowband interference with estimation filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
GB0127123A 2001-11-12 2001-11-12 Signal processing method and apparatus Expired - Fee Related GB2381978B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0127123A GB2381978B (en) 2001-11-12 2001-11-12 Signal processing method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0127123A GB2381978B (en) 2001-11-12 2001-11-12 Signal processing method and apparatus

Publications (3)

Publication Number Publication Date
GB0127123D0 GB0127123D0 (en) 2002-01-02
GB2381978A GB2381978A (en) 2003-05-14
GB2381978B true GB2381978B (en) 2005-09-21

Family

ID=9925610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0127123A Expired - Fee Related GB2381978B (en) 2001-11-12 2001-11-12 Signal processing method and apparatus

Country Status (1)

Country Link
GB (1) GB2381978B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100527654C (en) 2003-05-28 2009-08-12 华为技术有限公司 Method for determining first path precisively in CDMA mobile communiation system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2041701A (en) * 1979-02-13 1980-09-10 Nippon Telegraph & Telephone Digital signal receiver system
US4549312A (en) * 1980-02-29 1985-10-22 Digital Marine Electronics Corporation Radio receiver with automatic interference and distortion compensation
US5054075A (en) * 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
US5168508A (en) * 1990-08-07 1992-12-01 Clarion Co., Ltd. Spread spectrum receiver
GB2284966A (en) * 1993-06-30 1995-06-21 Motorola Inc Method and apparatus for reducing an underesirable characteristic of a special estimate of a noise signal between occurrences of voice signals
WO2000038180A1 (en) * 1998-12-18 2000-06-29 Telefonaktiebolaget Lm Ericsson (Publ) Noise suppression in a mobile communications system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2041701A (en) * 1979-02-13 1980-09-10 Nippon Telegraph & Telephone Digital signal receiver system
US4549312A (en) * 1980-02-29 1985-10-22 Digital Marine Electronics Corporation Radio receiver with automatic interference and distortion compensation
US5054075A (en) * 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
US5168508A (en) * 1990-08-07 1992-12-01 Clarion Co., Ltd. Spread spectrum receiver
GB2284966A (en) * 1993-06-30 1995-06-21 Motorola Inc Method and apparatus for reducing an underesirable characteristic of a special estimate of a noise signal between occurrences of voice signals
WO2000038180A1 (en) * 1998-12-18 2000-06-29 Telefonaktiebolaget Lm Ericsson (Publ) Noise suppression in a mobile communications system

Also Published As

Publication number Publication date
GB0127123D0 (en) 2002-01-02
GB2381978A (en) 2003-05-14

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Legal Events

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

Effective date: 20171112