GB0022582D0 - A rake receiver and a method of operating a rake receiver - Google Patents

A rake receiver and a method of operating a rake receiver

Info

Publication number
GB0022582D0
GB0022582D0 GB0022582A GB0022582A GB0022582D0 GB 0022582 D0 GB0022582 D0 GB 0022582D0 GB 0022582 A GB0022582 A GB 0022582A GB 0022582 A GB0022582 A GB 0022582A GB 0022582 D0 GB0022582 D0 GB 0022582D0
Authority
GB
United Kingdom
Prior art keywords
rake receiver
operating
rake
receiver
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.)
Withdrawn
Application number
GB0022582A
Other versions
GB2366970A (en
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.)
Aeroflex Cambridge Ltd
Original Assignee
Ubinetics Ltd
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 Ubinetics Ltd filed Critical Ubinetics Ltd
Priority to GB0022582A priority Critical patent/GB2366970A/en
Publication of GB0022582D0 publication Critical patent/GB0022582D0/en
Priority to PCT/GB2001/003090 priority patent/WO2002023750A1/en
Priority to AU2001269321A priority patent/AU2001269321A1/en
Publication of GB2366970A publication Critical patent/GB2366970A/en
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • H04J13/20—Allocation of orthogonal codes having an orthogonal variable spreading factor [OVSF]
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
GB0022582A 2000-09-14 2000-09-14 Rake receiver Withdrawn GB2366970A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0022582A GB2366970A (en) 2000-09-14 2000-09-14 Rake receiver
PCT/GB2001/003090 WO2002023750A1 (en) 2000-09-14 2001-07-09 A rake receiver and a method of operating a rake receiver
AU2001269321A AU2001269321A1 (en) 2000-09-14 2001-07-09 A rake receiver and a method of operating a rake receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0022582A GB2366970A (en) 2000-09-14 2000-09-14 Rake receiver

Publications (2)

Publication Number Publication Date
GB0022582D0 true GB0022582D0 (en) 2000-11-01
GB2366970A GB2366970A (en) 2002-03-20

Family

ID=9899470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0022582A Withdrawn GB2366970A (en) 2000-09-14 2000-09-14 Rake receiver

Country Status (3)

Country Link
AU (1) AU2001269321A1 (en)
GB (1) GB2366970A (en)
WO (1) WO2002023750A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040066841A1 (en) * 2002-09-23 2004-04-08 Elias Jonsson Systems, methods of operating, and computer program products for selecting delays for a rake receiver based on signal to interference ratios and/or powers
US7924909B2 (en) 2004-06-02 2011-04-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for interference cancellation in wireless receivers
CN100364242C (en) * 2005-09-13 2008-01-23 浙江华立通信集团有限公司 Novel high integrated level insertible Rake receiver system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
JP2924864B2 (en) * 1997-06-16 1999-07-26 日本電気株式会社 Adaptive rake reception method
US6208632B1 (en) * 1998-01-29 2001-03-27 Sharp Laboratories Of America System and method for CDMA channel estimation

Also Published As

Publication number Publication date
AU2001269321A1 (en) 2002-03-26
GB2366970A (en) 2002-03-20
WO2002023750A1 (en) 2002-03-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)