AU2001286414A1 - Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems - Google Patents

Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems

Info

Publication number
AU2001286414A1
AU2001286414A1 AU2001286414A AU8641401A AU2001286414A1 AU 2001286414 A1 AU2001286414 A1 AU 2001286414A1 AU 2001286414 A AU2001286414 A AU 2001286414A AU 8641401 A AU8641401 A AU 8641401A AU 2001286414 A1 AU2001286414 A1 AU 2001286414A1
Authority
AU
Australia
Prior art keywords
reuse
methods
spread spectrum
sample selection
rake fingers
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
AU2001286414A
Inventor
David M. Holmes
Joel D. Medlock
Keith Rieken
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.)
Morphics Technology Inc
Original Assignee
Morphics Technology 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 Morphics Technology Inc filed Critical Morphics Technology Inc
Publication of AU2001286414A1 publication Critical patent/AU2001286414A1/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
    • H04B1/7097—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001286414A 2000-07-31 2001-07-31 Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems Abandoned AU2001286414A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US22202500P 2000-07-31 2000-07-31
US22200800P 2000-07-31 2000-07-31
US22202700P 2000-07-31 2000-07-31
US22202900P 2000-07-31 2000-07-31
US60222025 2000-07-31
US60222027 2000-07-31
US60222008 2000-07-31
US60222029 2000-07-31
PCT/US2001/024538 WO2002011387A1 (en) 2000-07-31 2001-07-31 Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems

Publications (1)

Publication Number Publication Date
AU2001286414A1 true AU2001286414A1 (en) 2002-02-13

Family

ID=27499256

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001286414A Abandoned AU2001286414A1 (en) 2000-07-31 2001-07-31 Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems

Country Status (5)

Country Link
US (2) US7065128B2 (en)
EP (1) EP1317833B1 (en)
AU (1) AU2001286414A1 (en)
ES (1) ES2420487T3 (en)
WO (1) WO2002011387A1 (en)

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DE60230794D1 (en) 2001-11-20 2009-02-26 Mediatek Inc METHOD AND DEVICES FOR SPREADING SPECTRUM SIGNAL PROCESSING USING AN UNCONFIGURABLE COPROCESSOR
US6771693B2 (en) * 2001-12-27 2004-08-03 Interdigital Technology Corporation Enhanced rake structure
US7126981B2 (en) * 2002-04-25 2006-10-24 Accton Technology Corporation Method and apparatus for cell search for W-CDMA with effect of clock offset
CN1675849A (en) * 2002-08-21 2005-09-28 皇家飞利浦电子股份有限公司 Delay line for multiple propagation paths reception
DE10241691A1 (en) * 2002-09-09 2004-03-25 Infineon Technologies Ag Correlation device for mobile radio system correlates generated correlation word with dataword obtained from stored sequence of sample values of received signal
US7298775B1 (en) * 2003-08-29 2007-11-20 National Semiconductor Corporation Processor-implemented RAKE receiver
US7437135B2 (en) * 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) * 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
KR100823129B1 (en) * 2004-08-18 2008-04-21 삼성전자주식회사 Apparatus and method for tracking for closely spaced multipath fading channel
US7702710B2 (en) * 2004-09-10 2010-04-20 Analog Devices, Inc. Digital signal processor optimized for interpolation and decimation
US20060208943A1 (en) * 2005-03-21 2006-09-21 Sirf Technology, Inc. Location tagging using post-processing
US7689739B2 (en) * 2005-07-11 2010-03-30 Via Technologies, Inc. Spread spectrum receiver, apparatus and method of a circular buffer for multirate data
US20070248191A1 (en) * 2006-04-25 2007-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Baseband sample selection
DE102007043767B4 (en) * 2006-09-18 2015-07-09 Mediatek Inc. Receiver of a CDMA system with a path matching circuit
JP5104855B2 (en) * 2007-03-23 2012-12-19 富士通株式会社 Load distribution program, load distribution method, and storage management apparatus
US20090086795A1 (en) * 2007-09-28 2009-04-02 Ahmadreza Rofougaran Method and system for a low-complexity variable frequency oscillator using direct digital frequency synthesis
CA2807001C (en) 2010-08-13 2017-08-15 Aclara Power-Line Systems Inc. Digital two way automatic communication system (twacs) outbound receiver and method
CA2818447C (en) 2010-12-02 2018-11-27 Aclara Power-Line Systems Inc. Mains-synchronous power-line communications system and method
US9009369B2 (en) * 2011-10-27 2015-04-14 Apple Inc. Lookahead scheme for prioritized reads

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US5555193A (en) * 1993-05-25 1996-09-10 Kabushiki Kaisha Toshiba Video compression system with editing flag
KR100203239B1 (en) * 1995-02-16 1999-06-15 윤종용 Method and apparatus for white shading compensation
JP3253481B2 (en) * 1995-03-28 2002-02-04 シャープ株式会社 Memory interface circuit
US5764687A (en) 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
US5778024A (en) * 1996-02-01 1998-07-07 Qualcomm Incorporated Dual-mode communications processor
JP2820918B2 (en) * 1996-03-08 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 Spread spectrum communication equipment
US5719944A (en) * 1996-08-02 1998-02-17 Lucent Technologies Inc. System and method for creating a doppler effect
US5881056A (en) 1996-08-20 1999-03-09 Lucent Technologies Inc. Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits
US5903232A (en) * 1997-10-03 1999-05-11 Motorola Inc. Apparatus and method for sampling rate conversion with rational factors
US6639906B1 (en) * 1997-12-09 2003-10-28 Jeffrey A. Levin Multichannel demodulator
US6363470B1 (en) * 1998-10-06 2002-03-26 Texas Instruments Incorporated Circular buffer management
WO2000025435A2 (en) * 1998-10-27 2000-05-04 Siemens Aktiengesellschaft Method for controlling memory access in rake receivers with early-late tracking
JP3680592B2 (en) * 1998-10-30 2005-08-10 株式会社日立製作所 Communication device
US6233277B1 (en) * 1999-04-02 2001-05-15 Sony Corporation Reduced-memory video decoder for compressed high-definition video data
US6697603B1 (en) * 1999-12-13 2004-02-24 Andrew Corporation Digital repeater
US6650694B1 (en) * 2000-02-18 2003-11-18 Texas Instruments Incorporated Correlator co-processor for CDMA RAKE receiver operations

Also Published As

Publication number Publication date
ES2420487T3 (en) 2013-08-23
US20060291542A1 (en) 2006-12-28
US20020037027A1 (en) 2002-03-28
EP1317833A1 (en) 2003-06-11
US7065128B2 (en) 2006-06-20
EP1317833B1 (en) 2013-04-17
US7616680B2 (en) 2009-11-10
EP1317833A4 (en) 2009-04-01
WO2002011387A1 (en) 2002-02-07

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