WO2005031989A3 - A matched filter for scalable spread spectrum communications systems - Google Patents

A matched filter for scalable spread spectrum communications systems Download PDF

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Publication number
WO2005031989A3
WO2005031989A3 PCT/US2004/031527 US2004031527W WO2005031989A3 WO 2005031989 A3 WO2005031989 A3 WO 2005031989A3 US 2004031527 W US2004031527 W US 2004031527W WO 2005031989 A3 WO2005031989 A3 WO 2005031989A3
Authority
WO
WIPO (PCT)
Prior art keywords
spread spectrum
matched filter
scalable
spectrum communications
communications systems
Prior art date
Application number
PCT/US2004/031527
Other languages
French (fr)
Other versions
WO2005031989A2 (en
Inventor
Kurt W Dobson
Dirk Ostermiller
Sy Prestwich
Scott Bevan
Original Assignee
Spectrum 5 Inc
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 Spectrum 5 Inc filed Critical Spectrum 5 Inc
Priority to JP2006528267A priority Critical patent/JP4600779B2/en
Priority to DE602004024096T priority patent/DE602004024096D1/en
Priority to AU2004306122A priority patent/AU2004306122B2/en
Priority to EP04789059A priority patent/EP1668782B1/en
Priority to AT04789059T priority patent/ATE448603T1/en
Publication of WO2005031989A2 publication Critical patent/WO2005031989A2/en
Publication of WO2005031989A3 publication Critical patent/WO2005031989A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects

Abstract

A spread spectrum communications system using long, scalable PN sequences to achieve variable communication rates using a low-complexity and scalable matched filter architecture to provide a large processing gain, robust recovery of multiple devices in long reach, high ambient-noise environments.
PCT/US2004/031527 2003-09-24 2004-09-24 A matched filter for scalable spread spectrum communications systems WO2005031989A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2006528267A JP4600779B2 (en) 2003-09-24 2004-09-24 Matched filter for scalable spread spectrum communication systems
DE602004024096T DE602004024096D1 (en) 2003-09-24 2004-09-24 ADJUSTED FILTER FOR SCALABLE SPREADING SPECTRUM COMMUNICATION SYSTEMS
AU2004306122A AU2004306122B2 (en) 2003-09-24 2004-09-24 A matched filter for scalable spread spectrum communications systems
EP04789059A EP1668782B1 (en) 2003-09-24 2004-09-24 A matched filter for scalable spread spectrum communications systems
AT04789059T ATE448603T1 (en) 2003-09-24 2004-09-24 ADAPTED FILTER FOR SCALABLE SPREAD SPECTRUM COMMUNICATION SYSTEMS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/670,708 US7092426B2 (en) 2003-09-24 2003-09-24 Matched filter for scalable spread spectrum communications systems
US10/670,708 2003-09-24

Publications (2)

Publication Number Publication Date
WO2005031989A2 WO2005031989A2 (en) 2005-04-07
WO2005031989A3 true WO2005031989A3 (en) 2006-01-12

Family

ID=34393448

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/031527 WO2005031989A2 (en) 2003-09-24 2004-09-24 A matched filter for scalable spread spectrum communications systems

Country Status (8)

Country Link
US (3) US7092426B2 (en)
EP (1) EP1668782B1 (en)
JP (1) JP4600779B2 (en)
KR (1) KR20060093700A (en)
AT (1) ATE448603T1 (en)
AU (1) AU2004306122B2 (en)
DE (1) DE602004024096D1 (en)
WO (1) WO2005031989A2 (en)

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US8364185B2 (en) * 2005-04-18 2013-01-29 Samsung Electronics Co., Ltd. Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network
US7606288B2 (en) * 2005-05-27 2009-10-20 S5 Wireless, Inc. Burst spread spectrum radio system and method for asset tracking and data telemetry
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US8433283B2 (en) 2009-01-27 2013-04-30 Ymax Communications Corp. Computer-related devices and techniques for facilitating an emergency call via a cellular or data network using remote communication device identifying information
US10362270B2 (en) * 2016-12-12 2019-07-23 Dolby Laboratories Licensing Corporation Multimodal spatial registration of devices for congruent multimedia communications

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US6885691B1 (en) * 1999-08-02 2005-04-26 Lg Information & Communications, Ltd. Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system

Also Published As

Publication number Publication date
US20060245481A1 (en) 2006-11-02
US20070291821A1 (en) 2007-12-20
US7539235B2 (en) 2009-05-26
EP1668782B1 (en) 2009-11-11
US7280579B2 (en) 2007-10-09
JP4600779B2 (en) 2010-12-15
WO2005031989A2 (en) 2005-04-07
DE602004024096D1 (en) 2009-12-24
KR20060093700A (en) 2006-08-25
JP2007507185A (en) 2007-03-22
US20050074054A1 (en) 2005-04-07
AU2004306122B2 (en) 2010-01-28
EP1668782A4 (en) 2008-11-12
US7092426B2 (en) 2006-08-15
AU2004306122A1 (en) 2005-04-07
ATE448603T1 (en) 2009-11-15
EP1668782A2 (en) 2006-06-14

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