ATE472195T1 - System und verfahren zur empfangssignalprädiktion in drahtlosen kommunikationssystemen - Google Patents

System und verfahren zur empfangssignalprädiktion in drahtlosen kommunikationssystemen

Info

Publication number
ATE472195T1
ATE472195T1 AT02806583T AT02806583T ATE472195T1 AT E472195 T1 ATE472195 T1 AT E472195T1 AT 02806583 T AT02806583 T AT 02806583T AT 02806583 T AT02806583 T AT 02806583T AT E472195 T1 ATE472195 T1 AT E472195T1
Authority
AT
Austria
Prior art keywords
signal
wireless communication
communication systems
received signal
weights
Prior art date
Application number
AT02806583T
Other languages
English (en)
Inventor
John Smee
Nagabhushana Sindhushayana
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE472195T1 publication Critical patent/ATE472195T1/de

Links

Classifications

    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • 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
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0851—Joint weighting using training sequences or error signal
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Radio Relay Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Radio Transmission System (AREA)
AT02806583T 2001-05-17 2002-05-17 System und verfahren zur empfangssignalprädiktion in drahtlosen kommunikationssystemen ATE472195T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/860,707 US6990137B2 (en) 2001-05-17 2001-05-17 System and method for received signal prediction in wireless communications systems
PCT/US2002/015583 WO2003061380A2 (en) 2001-05-17 2002-05-17 System and method for received signal prediction in wireless communications system

Publications (1)

Publication Number Publication Date
ATE472195T1 true ATE472195T1 (de) 2010-07-15

Family

ID=25333835

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02806583T ATE472195T1 (de) 2001-05-17 2002-05-17 System und verfahren zur empfangssignalprädiktion in drahtlosen kommunikationssystemen

Country Status (11)

Country Link
US (2) US6990137B2 (de)
EP (1) EP1404175B1 (de)
JP (3) JP2005515738A (de)
KR (2) KR100945100B1 (de)
CN (4) CN100518008C (de)
AT (1) ATE472195T1 (de)
AU (1) AU2002365239A1 (de)
BR (1) BR0209807A (de)
DE (1) DE60236797D1 (de)
TW (1) TW564608B (de)
WO (1) WO2003061380A2 (de)

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CN1921325A (zh) 2007-02-28
EP1404175A2 (de) 2004-04-07
KR100945100B1 (ko) 2010-03-02
AU2002365239A1 (en) 2003-09-02
CN101383633B (zh) 2016-05-25
JP2005515738A (ja) 2005-05-26
CN1921325B (zh) 2011-08-10
WO2003061380A3 (en) 2003-10-09
DE60236797D1 (de) 2010-08-05
WO2003061380A2 (en) 2003-07-31
JP5575859B2 (ja) 2014-08-20
JP2013062817A (ja) 2013-04-04
US20060120439A1 (en) 2006-06-08
TW564608B (en) 2003-12-01
KR20090041454A (ko) 2009-04-28
CN101383633A (zh) 2009-03-11
KR20040002968A (ko) 2004-01-07
CN101494472B (zh) 2014-08-20
CN101494472A (zh) 2009-07-29
CN1533641A (zh) 2004-09-29
CN100518008C (zh) 2009-07-22
JP2009260968A (ja) 2009-11-05
EP1404175B1 (de) 2010-06-23
US6990137B2 (en) 2006-01-24
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KR100915044B1 (ko) 2009-09-02
US20030031234A1 (en) 2003-02-13

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