DE60142477D1 - Frequenzspannungsspreizspektrumsystem mit nachlauf hoher empfindlichkeit, sowie synchronisierung für frequenzlabile signale - Google Patents

Frequenzspannungsspreizspektrumsystem mit nachlauf hoher empfindlichkeit, sowie synchronisierung für frequenzlabile signale

Info

Publication number
DE60142477D1
DE60142477D1 DE60142477T DE60142477T DE60142477D1 DE 60142477 D1 DE60142477 D1 DE 60142477D1 DE 60142477 T DE60142477 T DE 60142477T DE 60142477 T DE60142477 T DE 60142477T DE 60142477 D1 DE60142477 D1 DE 60142477D1
Authority
DE
Germany
Prior art keywords
signal
frequency
preamble
spread spectrum
synchronization
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 - Lifetime
Application number
DE60142477T
Other languages
English (en)
Inventor
Mark Kendall Cornwall
Harry Price Haas
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.)
Itron Inc
Original Assignee
Itron 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 Itron Inc filed Critical Itron Inc
Application granted granted Critical
Publication of DE60142477D1 publication Critical patent/DE60142477D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7156—Arrangements for sequence synchronisation
    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
DE60142477T 2000-08-01 2001-08-01 Frequenzspannungsspreizspektrumsystem mit nachlauf hoher empfindlichkeit, sowie synchronisierung für frequenzlabile signale Expired - Lifetime DE60142477D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22225600P 2000-08-01 2000-08-01
PCT/US2001/024058 WO2002011348A2 (en) 2000-08-01 2001-08-01 Frequency hopping spread spectrum system with high sensitivity tracking and synchronization for frequency unstable signals

Publications (1)

Publication Number Publication Date
DE60142477D1 true DE60142477D1 (de) 2010-08-12

Family

ID=22831505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60142477T Expired - Lifetime DE60142477D1 (de) 2000-08-01 2001-08-01 Frequenzspannungsspreizspektrumsystem mit nachlauf hoher empfindlichkeit, sowie synchronisierung für frequenzlabile signale

Country Status (12)

Country Link
US (2) US6934316B2 (de)
EP (1) EP1305923B1 (de)
JP (1) JP2004505544A (de)
KR (1) KR20030026993A (de)
AT (1) ATE472859T1 (de)
AU (2) AU2001284691B2 (de)
BR (1) BR0112854A (de)
CA (1) CA2416312C (de)
DE (1) DE60142477D1 (de)
ES (1) ES2349698T3 (de)
MX (1) MXPA03000916A (de)
WO (1) WO2002011348A2 (de)

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Also Published As

Publication number Publication date
ATE472859T1 (de) 2010-07-15
US6934316B2 (en) 2005-08-23
MXPA03000916A (es) 2003-10-14
ES2349698T3 (es) 2011-01-10
CA2416312A1 (en) 2002-02-07
JP2004505544A (ja) 2004-02-19
BR0112854A (pt) 2003-08-26
CA2416312C (en) 2008-02-12
AU8469101A (en) 2002-02-13
KR20030026993A (ko) 2003-04-03
US7577181B2 (en) 2009-08-18
WO2002011348A2 (en) 2002-02-07
US20060056493A1 (en) 2006-03-16
US20020071478A1 (en) 2002-06-13
EP1305923A2 (de) 2003-05-02
WO2002011348A3 (en) 2002-03-28
EP1305923B1 (de) 2010-06-30
EP1305923A4 (de) 2007-04-04
AU2001284691B2 (en) 2005-09-22

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