AU2003287291C1 - MIMO WLAN system - Google Patents

MIMO WLAN system Download PDF

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Publication number
AU2003287291C1
AU2003287291C1 AU2003287291A AU2003287291A AU2003287291C1 AU 2003287291 C1 AU2003287291 C1 AU 2003287291C1 AU 2003287291 A AU2003287291 A AU 2003287291A AU 2003287291 A AU2003287291 A AU 2003287291A AU 2003287291 C1 AU2003287291 C1 AU 2003287291C1
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AU
Australia
Prior art keywords
user terminal
downlink
access point
spatial
uplink
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.)
Ceased
Application number
AU2003287291A
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English (en)
Other versions
AU2003287291B2 (en
AU2003287291A1 (en
Inventor
Steven J. Howard
John W. Ketchum
Mark S. Wallace
J. Rodney Walton
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Qualcomm Inc
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Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU2003287291A1 publication Critical patent/AU2003287291A1/en
Priority to AU2009227854A priority Critical patent/AU2009227854A1/en
Priority to AU2009227852A priority patent/AU2009227852A1/en
Application granted granted Critical
Publication of AU2003287291B2 publication Critical patent/AU2003287291B2/en
Publication of AU2003287291C1 publication Critical patent/AU2003287291C1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04B7/022—Site diversity; Macro-diversity
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    • 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
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
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    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0669—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different channel coding between antennas
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    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
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    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Small-Scale Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
AU2003287291A 2002-10-25 2003-10-24 MIMO WLAN system Ceased AU2003287291C1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2009227854A AU2009227854A1 (en) 2002-10-25 2009-10-19 MIMO WLAN system
AU2009227852A AU2009227852A1 (en) 2002-10-25 2009-10-19 MIMO WLAN system

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US42130902P 2002-10-25 2002-10-25
US60/421,309 2002-10-25
US10/693,419 US8320301B2 (en) 2002-10-25 2003-10-23 MIMO WLAN system
US10/693,419 2003-10-23
PCT/US2003/034514 WO2004039011A2 (en) 2002-10-25 2003-10-24 Mimo wlan system

Related Child Applications (2)

Application Number Title Priority Date Filing Date
AU2009227852A Division AU2009227852A1 (en) 2002-10-25 2009-10-19 MIMO WLAN system
AU2009227854A Division AU2009227854A1 (en) 2002-10-25 2009-10-19 MIMO WLAN system

Publications (3)

Publication Number Publication Date
AU2003287291A1 AU2003287291A1 (en) 2004-05-13
AU2003287291B2 AU2003287291B2 (en) 2009-12-24
AU2003287291C1 true AU2003287291C1 (en) 2010-06-03

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ID=32110319

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Application Number Title Priority Date Filing Date
AU2003287291A Ceased AU2003287291C1 (en) 2002-10-25 2003-10-24 MIMO WLAN system
AU2009227854A Abandoned AU2009227854A1 (en) 2002-10-25 2009-10-19 MIMO WLAN system
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