AU2003223354A8 - System and method for signal time alignment using programmable matched filter coefficients - Google Patents

System and method for signal time alignment using programmable matched filter coefficients

Info

Publication number
AU2003223354A8
AU2003223354A8 AU2003223354A AU2003223354A AU2003223354A8 AU 2003223354 A8 AU2003223354 A8 AU 2003223354A8 AU 2003223354 A AU2003223354 A AU 2003223354A AU 2003223354 A AU2003223354 A AU 2003223354A AU 2003223354 A8 AU2003223354 A8 AU 2003223354A8
Authority
AU
Australia
Prior art keywords
filter coefficients
matched filter
signal time
time alignment
programmable matched
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
AU2003223354A
Other versions
AU2003223354A1 (en
Inventor
Jeffrey C Schmidt
Donald J Rasmussen
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.)
Arris Enterprises LLC
Original Assignee
MeshNetworks 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 MeshNetworks Inc filed Critical MeshNetworks Inc
Publication of AU2003223354A1 publication Critical patent/AU2003223354A1/en
Publication of AU2003223354A8 publication Critical patent/AU2003223354A8/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
    • 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
    • H04B1/70758—Multimode search, i.e. using multiple search strategies
    • 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
    • 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
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AU2003223354A 2002-03-27 2003-03-26 System and method for signal time alignment using programmable matched filter coefficients Abandoned AU2003223354A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10620702A 2002-03-27 2002-03-27
US10/106,207 2002-03-27
PCT/US2003/009235 WO2003084080A2 (en) 2002-03-27 2003-03-26 System and method for signal time alignment using programmable matched filter coefficients

Publications (2)

Publication Number Publication Date
AU2003223354A1 AU2003223354A1 (en) 2003-10-13
AU2003223354A8 true AU2003223354A8 (en) 2003-10-13

Family

ID=28673542

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003223354A Abandoned AU2003223354A1 (en) 2002-03-27 2003-03-26 System and method for signal time alignment using programmable matched filter coefficients

Country Status (2)

Country Link
AU (1) AU2003223354A1 (en)
WO (1) WO2003084080A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7593454B2 (en) 2005-07-28 2009-09-22 Itt Manufacturing Enterprises, Inc. Enhanced QPSK or DQPSK data demodulation for direct sequence spreading (DSS) system waveforms using orthogonal or near-orthogonal spreading sequences
CN101170534B (en) * 2007-10-31 2010-06-23 中兴通讯股份有限公司 A timing rough synchronization capturing method for mobile multimedia broadcast system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361398A (en) * 1993-01-29 1994-11-01 Motorola, Inc. Method and apparatus for transmission path delay measurements using adaptive demodulation
US5440265A (en) * 1994-09-14 1995-08-08 Sicom, Inc. Differential/coherent digital demodulator operating at multiple symbol points

Also Published As

Publication number Publication date
AU2003223354A1 (en) 2003-10-13
WO2003084080A3 (en) 2004-03-04
WO2003084080A2 (en) 2003-10-09

Similar Documents

Publication Publication Date Title
AU2003265488A8 (en) Method and apparatus for extending signal range
AU2003267959A8 (en) Spatio-temporal filter and method
AU2003219746A1 (en) System and method for managinh employee absences
AU2003285721A1 (en) Method and arrangement for filter bank based signal processing
HK1074507A1 (en) System and method for signal timing
AU2003269464A8 (en) Optical filtering device and method
AU2002357100A1 (en) Apparatus and method for improved crystal time reference
IS7335A (en) Apparatus and method for making crystalline particles
EP1646991A4 (en) Method and system for a filter
GB0419590D0 (en) Resonator and coupling method and apparatus for a microsprip filter
GB0305899D0 (en) Method and apparatus for monitoring element alignment
AU2003270627A8 (en) Optical cross connect apparatus and method
GB2408338B (en) Impulse monitoring system:apparatus and method
EP1520193A4 (en) Method and apparatus for an optical filter
GB0220393D0 (en) Apparatus and method for removing disturbance
AU2002253378A1 (en) Data stream filtering apparatus and method
GB0526213D0 (en) Method and system for giving
AU2003223354A8 (en) System and method for signal time alignment using programmable matched filter coefficients
GB0321459D0 (en) Signal restoring apparatus and method
AU2002324560A1 (en) Method and apparatus for analog multipliers employed in analog filtering system
AU2003219069A1 (en) Method and apparatus for processing signals
GB2391322B (en) Signal comparison method and apparatus
AU2003252567A1 (en) Apparatus for dividing signal and method thereof
AU2003212624A1 (en) Gemstone imaging system and apparatus and method
GB0322987D0 (en) Apparatus and method for signal filtering

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase