DE60024814D1 - Verfahren und gerät zum erfassen eines spreizspektrumsignals - Google Patents

Verfahren und gerät zum erfassen eines spreizspektrumsignals

Info

Publication number
DE60024814D1
DE60024814D1 DE60024814T DE60024814T DE60024814D1 DE 60024814 D1 DE60024814 D1 DE 60024814D1 DE 60024814 T DE60024814 T DE 60024814T DE 60024814 T DE60024814 T DE 60024814T DE 60024814 D1 DE60024814 D1 DE 60024814D1
Authority
DE
Germany
Prior art keywords
recording
spectrum signal
spreading spectrum
spreading
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 - Lifetime
Application number
DE60024814T
Other languages
English (en)
Other versions
DE60024814T2 (de
Inventor
Peter Larosa
David Storm
John Carney
Christopher Becker
Ann Schirtzinger
Dave Steckl
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.)
Motorola Mobility LLC
Original Assignee
Motorola 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
Priority claimed from US09/314,819 external-priority patent/US7031271B1/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DE60024814D1 publication Critical patent/DE60024814D1/de
Application granted granted Critical
Publication of DE60024814T2 publication Critical patent/DE60024814T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • H04B1/70752—Partial correlation
    • 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
    • H04B1/70756—Jumping within the code, i.e. masking or slewing
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • H04B2201/70702—Intercell-related aspects
    • 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
    • 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
    • H04B2201/70709—Efficiency-related aspects with discontinuous detection
DE60024814T 1999-05-19 2000-05-10 Verfahren und gerät zum erfassen eines spreizspektrumsignals Expired - Lifetime DE60024814T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US558121 1990-07-24
US314819 1999-05-19
US09/314,819 US7031271B1 (en) 1999-05-19 1999-05-19 Method of and apparatus for activating a spread-spectrum radiotelephone
US09/558,121 US7085246B1 (en) 1999-05-19 2000-04-25 Method and apparatus for acquisition of a spread-spectrum signal
PCT/US2000/012674 WO2000070792A1 (en) 1999-05-19 2000-05-10 Method and apparatus for acquisition of a spread-spectrum signal

Publications (2)

Publication Number Publication Date
DE60024814D1 true DE60024814D1 (de) 2006-01-19
DE60024814T2 DE60024814T2 (de) 2006-08-24

Family

ID=26979572

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60024814T Expired - Lifetime DE60024814T2 (de) 1999-05-19 2000-05-10 Verfahren und gerät zum erfassen eines spreizspektrumsignals

Country Status (10)

Country Link
US (1) US7085246B1 (de)
EP (1) EP1183795B1 (de)
JP (1) JP4499301B2 (de)
KR (1) KR100453474B1 (de)
CN (1) CN1154259C (de)
AU (1) AU5128400A (de)
DE (1) DE60024814T2 (de)
ES (1) ES2254181T3 (de)
MX (1) MXPA01011812A (de)
WO (1) WO2000070792A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114039623A (zh) * 2021-10-22 2022-02-11 中国电子科技集团公司第五十四研究所 一种低载噪比的短突发扩频信号跟踪方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114039623A (zh) * 2021-10-22 2022-02-11 中国电子科技集团公司第五十四研究所 一种低载噪比的短突发扩频信号跟踪方法
CN114039623B (zh) * 2021-10-22 2023-05-19 中国电子科技集团公司第五十四研究所 一种低载噪比的短突发扩频信号跟踪方法

Also Published As

Publication number Publication date
EP1183795B1 (de) 2005-12-14
ES2254181T3 (es) 2006-06-16
MXPA01011812A (es) 2002-06-21
KR100453474B1 (ko) 2004-10-20
CN1352833A (zh) 2002-06-05
EP1183795A1 (de) 2002-03-06
DE60024814T2 (de) 2006-08-24
KR20020010665A (ko) 2002-02-04
WO2000070792A1 (en) 2000-11-23
AU5128400A (en) 2000-12-05
CN1154259C (zh) 2004-06-16
EP1183795A4 (de) 2003-05-14
US7085246B1 (en) 2006-08-01
JP4499301B2 (ja) 2010-07-07
JP2003500892A (ja) 2003-01-07

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