AU2001295734A1 - A method of searching a code space - Google Patents

A method of searching a code space

Info

Publication number
AU2001295734A1
AU2001295734A1 AU2001295734A AU9573401A AU2001295734A1 AU 2001295734 A1 AU2001295734 A1 AU 2001295734A1 AU 2001295734 A AU2001295734 A AU 2001295734A AU 9573401 A AU9573401 A AU 9573401A AU 2001295734 A1 AU2001295734 A1 AU 2001295734A1
Authority
AU
Australia
Prior art keywords
searching
code space
code
space
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.)
Abandoned
Application number
AU2001295734A
Inventor
Diego Giancola
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.)
Aeroflex Cambridge Ltd
Original Assignee
Ubinetics 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 Ubinetics Ltd filed Critical Ubinetics Ltd
Publication of AU2001295734A1 publication Critical patent/AU2001295734A1/en
Abandoned 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
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70753—Partial phase search
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • 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
    • H04B1/709—Correlator structure
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001295734A 2000-10-17 2001-10-17 A method of searching a code space Abandoned AU2001295734A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0025494A GB2368238B (en) 2000-10-17 2000-10-17 A method of searching a code space
GB0025494 2000-10-17
PCT/GB2001/004617 WO2002033839A1 (en) 2000-10-17 2001-10-17 A method of searching a code space

Publications (1)

Publication Number Publication Date
AU2001295734A1 true AU2001295734A1 (en) 2002-04-29

Family

ID=9901506

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001295734A Abandoned AU2001295734A1 (en) 2000-10-17 2001-10-17 A method of searching a code space

Country Status (8)

Country Link
US (1) US20040091024A1 (en)
EP (1) EP1327309A1 (en)
JP (1) JP2004512727A (en)
KR (1) KR20030040543A (en)
CN (1) CN1475051A (en)
AU (1) AU2001295734A1 (en)
GB (1) GB2368238B (en)
WO (1) WO2002033839A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0212326D0 (en) * 2002-05-29 2002-07-10 Koninkl Philips Electronics Nv Correlator method and apparatus
EP1487127B1 (en) * 2003-06-13 2007-09-12 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for positioning a multipath search window
WO2004112269A1 (en) * 2003-06-13 2004-12-23 Telefonaktiebolaget Lm Ericsson (Publ) Positioning a multipath search window
EP1533912B1 (en) * 2003-11-22 2009-01-07 Alcatel Lucent A method of finding delays of a multipath channel
CN1753346B (en) * 2004-09-23 2010-05-12 华为技术有限公司 Method of time sharing segment multipath searching
US7729235B2 (en) * 2005-09-27 2010-06-01 Mediatek Inc. Method and apparatus for OVSF code generation
KR200450395Y1 (en) * 2010-06-28 2010-10-04 김민지 Anti-Handling Safety Door

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69533540T2 (en) * 1994-07-29 2005-11-17 Qualcomm, Inc., San Diego METHOD AND DEVICE FOR EXECUTING THE CODE DETECTION IN A CDMA TRANSMISSION SYSTEM
US5710768A (en) * 1994-09-30 1998-01-20 Qualcomm Incorporated Method of searching for a bursty signal
US5654979A (en) * 1995-01-13 1997-08-05 Qualcomm Incorporated Cell site demodulation architecture for a spread spectrum multiple access communication systems
JPH1141141A (en) * 1997-05-21 1999-02-12 Mitsubishi Electric Corp Spread spectrum signal receiving method and device therefor
US5894494A (en) * 1997-10-29 1999-04-13 Golden Bridge Technology, Inc. Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals
JP3793632B2 (en) * 1997-12-18 2006-07-05 松下電器産業株式会社 Cell search method and mobile station apparatus
US6731622B1 (en) * 1998-05-01 2004-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Multipath propagation delay determining means using periodically inserted pilot symbols
US6229842B1 (en) * 1998-07-16 2001-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive path selection threshold setting for DS-CDMA receivers
US6606490B1 (en) * 1999-08-10 2003-08-12 Intel Corporation Battery operated radio receivers having power save by reducing active reception time
US6831956B1 (en) * 1999-09-28 2004-12-14 Texas Instruments Incorporated Wireless communications system with combining of multiple paths selected from sub-windows in response to the primary synchronization channel
US6829290B1 (en) * 1999-09-28 2004-12-07 Texas Instruments Incorporated Wireless communications system with combining of multiple paths selected from correlation to the primary synchronization channel
US6377615B1 (en) * 1999-09-30 2002-04-23 Ericsson Inc. Apparatus and methods for receiving information using variable length accumulation searchers

Also Published As

Publication number Publication date
US20040091024A1 (en) 2004-05-13
GB0025494D0 (en) 2000-11-29
GB2368238B (en) 2004-04-14
EP1327309A1 (en) 2003-07-16
KR20030040543A (en) 2003-05-22
CN1475051A (en) 2004-02-11
JP2004512727A (en) 2004-04-22
WO2002033839A1 (en) 2002-04-25
GB2368238A (en) 2002-04-24

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