DE69841326D1 - Mehrlagige pn-kodespreizung in einem mehrbenutzerkommunikationssystem - Google Patents

Mehrlagige pn-kodespreizung in einem mehrbenutzerkommunikationssystem

Info

Publication number
DE69841326D1
DE69841326D1 DE69841326T DE69841326T DE69841326D1 DE 69841326 D1 DE69841326 D1 DE 69841326D1 DE 69841326 T DE69841326 T DE 69841326T DE 69841326 T DE69841326 T DE 69841326T DE 69841326 D1 DE69841326 D1 DE 69841326D1
Authority
DE
Germany
Prior art keywords
code
spreading
communication system
period
information signals
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
DE69841326T
Other languages
English (en)
Inventor
Brian Harms
Brian Butler
Gordon Di Skinner
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69841326D1 publication Critical patent/DE69841326D1/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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • G06F7/582—Pseudo-random number generators
    • G06F7/584—Pseudo-random number generators using finite field arithmetic, e.g. using a linear feedback shift register
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • 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
    • 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
    • H04B1/70755—Setting of lock conditions, e.g. threshold
    • 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
    • H04B2201/70716—Quadrature
DE69841326T 1997-10-10 1998-10-09 Mehrlagige pn-kodespreizung in einem mehrbenutzerkommunikationssystem Expired - Lifetime DE69841326D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6169897P 1997-10-10 1997-10-10
PCT/US1998/021466 WO1999019992A1 (en) 1997-10-10 1998-10-09 Multi-layered pn code spreading in a multi-user communications system

Publications (1)

Publication Number Publication Date
DE69841326D1 true DE69841326D1 (de) 2010-01-07

Family

ID=22037524

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69841326T Expired - Lifetime DE69841326D1 (de) 1997-10-10 1998-10-09 Mehrlagige pn-kodespreizung in einem mehrbenutzerkommunikationssystem

Country Status (13)

Country Link
US (1) US6493376B1 (de)
EP (1) EP1029398B1 (de)
JP (1) JP4386574B2 (de)
KR (1) KR100693682B1 (de)
CN (2) CN100459444C (de)
AT (1) ATE450084T1 (de)
AU (1) AU754257B2 (de)
BR (1) BR9813026A (de)
CA (1) CA2305718C (de)
DE (1) DE69841326D1 (de)
NO (1) NO318825B1 (de)
RU (1) RU2221337C2 (de)
WO (1) WO1999019992A1 (de)

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US7447254B1 (en) * 2004-03-25 2008-11-04 Cypress Semiconductor Corp. Self-correlating pseudo-noise pairing
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US7522653B2 (en) * 2005-01-27 2009-04-21 L-3 Communications, Corp. System and method for PN correlation and symbol synchronization
EP1705806B1 (de) * 2005-03-21 2011-09-28 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Bestimmung eines Detektionssignals in einem Spreizspektrumnachrichtenübertragungssystem
US7738606B2 (en) * 2005-03-24 2010-06-15 Novatel Inc. System and method for making correlation measurements utilizing pulse shape measurements
US7492810B2 (en) * 2005-04-04 2009-02-17 General Electric Company Method and apparatus for segmented code correlation
DE602005016315D1 (de) * 2005-07-01 2009-10-08 Europ Agence Spatiale Spreizcodes für ein satellitennavigationssystem
US7738537B2 (en) * 2005-09-14 2010-06-15 Novatel Inc. Apparatus for and method of determining quadrature code timing from pulse-shape measurements made using an in-phase code
US7668228B2 (en) 2005-09-16 2010-02-23 Novatel Inc. Apparatus for and method of correlating to rising chip edges
US7756194B1 (en) 2005-11-04 2010-07-13 Cypress Semiconductor Corporation Circuit and method for decoding code phase modulated signals
US7796694B1 (en) 2005-11-04 2010-09-14 Cypress Semiconductor Corporation Circuit and method or encoding DSSS signals
US7792225B2 (en) * 2005-11-30 2010-09-07 Qualcomm Incorporated Method and device for reducing cross-correlation false alarms in CDMA and other wireless networks
US7688878B2 (en) * 2006-03-16 2010-03-30 The Boeing Company Method and device of peak detection in preamble synchronization for direct sequence spread spectrum communication
DE602006003065D1 (de) * 2006-03-24 2008-11-20 Via Tech Inc Spreizspektrumempfänger und zugehörige Kanalkompensationsverfahren
US7991040B2 (en) * 2006-04-04 2011-08-02 Qualcomm Incorporated Methods and apparatus for reduction of a peak to average ratio for an OFDM transmit signal
US7991083B2 (en) * 2006-06-22 2011-08-02 Cisco Technology, Inc. Method and system for detecting preambles in a multi-cell system
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CN101247141B (zh) * 2007-12-05 2011-07-06 电子科技大学 一种跳频信号时差估计方法
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CN110690902B (zh) * 2019-09-25 2022-05-17 电子科技大学 一种基于随机截断的时间交织adc失配优化方法
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Also Published As

Publication number Publication date
EP1029398B1 (de) 2009-11-25
CA2305718A1 (en) 1999-04-22
CN100459444C (zh) 2009-02-04
CN1819473A (zh) 2006-08-16
EP1029398A1 (de) 2000-08-23
KR20010031050A (ko) 2001-04-16
CN1281599A (zh) 2001-01-24
US6493376B1 (en) 2002-12-10
NO20001819D0 (no) 2000-04-07
JP4386574B2 (ja) 2009-12-16
KR100693682B1 (ko) 2007-03-09
JP2001520473A (ja) 2001-10-30
AU754257B2 (en) 2002-11-07
CN100590988C (zh) 2010-02-17
NO318825B1 (no) 2005-05-09
ATE450084T1 (de) 2009-12-15
AU1270299A (en) 1999-05-03
CA2305718C (en) 2010-12-07
RU2221337C2 (ru) 2004-01-10
WO1999019992A1 (en) 1999-04-22
NO20001819L (no) 2000-06-08
BR9813026A (pt) 2000-08-15

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