ATE522983T1 - Skalierungsfaktorschätzung für behinderungen durch code-wiederverwendung bei mimo-signalen - Google Patents

Skalierungsfaktorschätzung für behinderungen durch code-wiederverwendung bei mimo-signalen

Info

Publication number
ATE522983T1
ATE522983T1 AT09714239T AT09714239T ATE522983T1 AT E522983 T1 ATE522983 T1 AT E522983T1 AT 09714239 T AT09714239 T AT 09714239T AT 09714239 T AT09714239 T AT 09714239T AT E522983 T1 ATE522983 T1 AT E522983T1
Authority
AT
Austria
Prior art keywords
stream
code
sets
disabilities
scaling factor
Prior art date
Application number
AT09714239T
Other languages
English (en)
Inventor
Stephen Grant
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE522983T1 publication Critical patent/ATE522983T1/de

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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709727—GRAKE type RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
AT09714239T 2008-02-25 2009-02-10 Skalierungsfaktorschätzung für behinderungen durch code-wiederverwendung bei mimo-signalen ATE522983T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/036,425 US20090213910A1 (en) 2008-02-25 2008-02-25 Code Power Estimation for MIMO Signals
PCT/SE2009/050138 WO2009108110A1 (en) 2008-02-25 2009-02-10 Power factor estimation for code-reuse impairments in mimo signals

Publications (1)

Publication Number Publication Date
ATE522983T1 true ATE522983T1 (de) 2011-09-15

Family

ID=40627390

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09714239T ATE522983T1 (de) 2008-02-25 2009-02-10 Skalierungsfaktorschätzung für behinderungen durch code-wiederverwendung bei mimo-signalen

Country Status (4)

Country Link
US (1) US20090213910A1 (de)
EP (1) EP2245752B1 (de)
AT (1) ATE522983T1 (de)
WO (1) WO2009108110A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7524625B2 (en) * 2000-10-30 2009-04-28 Sru Biosystems, Inc. Real time binding analysis of antigens on a biosensor surface
US8144749B2 (en) * 2008-08-27 2012-03-27 Telefonaktiebolaget L M Ericsson Nonparametric MIMO G-Rake receiver
US8385477B2 (en) * 2009-12-23 2013-02-26 Telefonaktiebolaget Lm Ericsson (Publ) Decision boundary estimation for MIMO wireless receivers
US8582624B2 (en) 2010-10-01 2013-11-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for enhancing the accuracy of the estimated covariance matrix in wideband-CDMA systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6005887A (en) * 1996-11-14 1999-12-21 Ericcsson, Inc. Despreading of direct sequence spread spectrum communications signals
US6922434B2 (en) * 1999-10-19 2005-07-26 Ericsson Inc. Apparatus and methods for finger delay selection in RAKE receivers
US6990137B2 (en) * 2001-05-17 2006-01-24 Qualcomm, Incorporated System and method for received signal prediction in wireless communications systems
US8432952B2 (en) * 2003-11-24 2013-04-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for DS-CDMA interference suppression using code-specific combining
US7738534B2 (en) * 2003-11-24 2010-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Multi-transmitter interference suppression using code-specific combining
US7339980B2 (en) * 2004-03-05 2008-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Successive interference cancellation in a generalized RAKE receiver architecture
US8045638B2 (en) * 2004-03-05 2011-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for impairment correlation estimation in a wireless communication receiver
US7539240B2 (en) * 2004-03-12 2009-05-26 Telefonaftiebolaget Lm Ericsson (Publ) Method and apparatus for parameter estimation in a generalized rake receiver
US7751463B2 (en) * 2006-12-05 2010-07-06 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for suppressing interference based on channelization code power estimation with bias removal
US7995641B2 (en) * 2007-11-06 2011-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for code power parameter estimation for received signal processing

Also Published As

Publication number Publication date
WO2009108110A1 (en) 2009-09-03
US20090213910A1 (en) 2009-08-27
EP2245752B1 (de) 2011-08-31
EP2245752A1 (de) 2010-11-03

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