WO2006010942A3 - Facilitating reference signal cancellation - Google Patents

Facilitating reference signal cancellation Download PDF

Info

Publication number
WO2006010942A3
WO2006010942A3 PCT/GB2005/002986 GB2005002986W WO2006010942A3 WO 2006010942 A3 WO2006010942 A3 WO 2006010942A3 GB 2005002986 W GB2005002986 W GB 2005002986W WO 2006010942 A3 WO2006010942 A3 WO 2006010942A3
Authority
WO
WIPO (PCT)
Prior art keywords
reference signal
signal cancellation
subscriber unit
facilitating reference
reference signals
Prior art date
Application number
PCT/GB2005/002986
Other languages
French (fr)
Other versions
WO2006010942A2 (en
Inventor
Richard Litlewood
Moritz Harteneck
Original Assignee
Aeroflex Cambridge Ltd
Richard Litlewood
Moritz Harteneck
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 Aeroflex Cambridge Ltd, Richard Litlewood, Moritz Harteneck filed Critical Aeroflex Cambridge Ltd
Priority to EP05767496A priority Critical patent/EP1774667A2/en
Publication of WO2006010942A2 publication Critical patent/WO2006010942A2/en
Publication of WO2006010942A3 publication Critical patent/WO2006010942A3/en

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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Abstract

A CDMA base station comprising means for transmitting a transmission to a subscriber unit, the transmission including a data signal and two reference signals that assist in the recovery of the data in the data signal by the subscriber unit and means for communicating the relative powers of the reference signals to the subscriber unit.
PCT/GB2005/002986 2004-07-30 2005-07-29 Facilitating reference signal cancellation WO2006010942A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05767496A EP1774667A2 (en) 2004-07-30 2005-07-29 Facilitating reference signal cancellation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0417113.8 2004-07-30
GB0417113A GB2416957B (en) 2004-07-30 2004-07-30 Facilitating reference signal cancellation

Publications (2)

Publication Number Publication Date
WO2006010942A2 WO2006010942A2 (en) 2006-02-02
WO2006010942A3 true WO2006010942A3 (en) 2006-03-23

Family

ID=32947783

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2005/002986 WO2006010942A2 (en) 2004-07-30 2005-07-29 Facilitating reference signal cancellation

Country Status (3)

Country Link
EP (1) EP1774667A2 (en)
GB (1) GB2416957B (en)
WO (1) WO2006010942A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0916911D0 (en) * 2009-09-25 2009-11-11 Icera Inc Cancelling interference in a wireless cellular network
JP5583942B2 (en) * 2009-09-30 2014-09-03 富士通株式会社 Wireless receiver

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091321A1 (en) * 2000-05-19 2001-11-29 Siemens Aktiengesellschaft Method for determining amplification factors in a data channel and a control channel of a data transfer system
GB2369018A (en) * 2000-11-10 2002-05-15 Ubinetics Ltd Control channel interference cancellation for a CDMA receiver
US20020131390A1 (en) * 2001-03-09 2002-09-19 Wen-Yi Kuo Cancellation of non-orthogonal signal in CDMA wireless communications systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2323164A1 (en) * 2000-10-11 2002-04-11 Ramesh Mantha Method, system and apparatus for improving reception in multiple access communication systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001091321A1 (en) * 2000-05-19 2001-11-29 Siemens Aktiengesellschaft Method for determining amplification factors in a data channel and a control channel of a data transfer system
GB2369018A (en) * 2000-11-10 2002-05-15 Ubinetics Ltd Control channel interference cancellation for a CDMA receiver
US20020131390A1 (en) * 2001-03-09 2002-09-19 Wen-Yi Kuo Cancellation of non-orthogonal signal in CDMA wireless communications systems

Also Published As

Publication number Publication date
GB2416957A (en) 2006-02-08
GB2416957B (en) 2006-11-15
EP1774667A2 (en) 2007-04-18
WO2006010942A2 (en) 2006-02-02
GB0417113D0 (en) 2004-09-01

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