KR100412295B1 - 적응성 안테나 어레이를 사용하여 통신 신호를 전송 및복조하는 통신 시스템 - Google Patents

적응성 안테나 어레이를 사용하여 통신 신호를 전송 및복조하는 통신 시스템 Download PDF

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Publication number
KR100412295B1
KR100412295B1 KR10-2000-7015028A KR20007015028A KR100412295B1 KR 100412295 B1 KR100412295 B1 KR 100412295B1 KR 20007015028 A KR20007015028 A KR 20007015028A KR 100412295 B1 KR100412295 B1 KR 100412295B1
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South Korea
Prior art keywords
weights
adaptive array
communication signals
subscriber unit
pilot
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Expired - Lifetime
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KR10-2000-7015028A
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English (en)
Korean (ko)
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KR20010053301A (ko
Inventor
로버트 마크 해리슨
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모토로라 인코포레이티드
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
    • H01Q3/38—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters the phase-shifters being digital
    • 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
    • H04B7/06—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
    • H04B7/0615—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 weighted versions of same signal
    • H04B7/0619—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 weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • 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
    • H04B7/06—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
    • H04B7/0615—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 weighted versions of same signal
    • H04B7/0619—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 weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR10-2000-7015028A 1998-06-30 1999-06-22 적응성 안테나 어레이를 사용하여 통신 신호를 전송 및복조하는 통신 시스템 Expired - Lifetime KR100412295B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/107,106 US6067324A (en) 1998-06-30 1998-06-30 Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system
US09/107,106 1998-06-30

Publications (2)

Publication Number Publication Date
KR20010053301A KR20010053301A (ko) 2001-06-25
KR100412295B1 true KR100412295B1 (ko) 2003-12-31

Family

ID=22314873

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-7015028A Expired - Lifetime KR100412295B1 (ko) 1998-06-30 1999-06-22 적응성 안테나 어레이를 사용하여 통신 신호를 전송 및복조하는 통신 시스템

Country Status (9)

Country Link
US (1) US6067324A (enExample)
EP (1) EP1092273B1 (enExample)
JP (1) JP4391021B2 (enExample)
KR (1) KR100412295B1 (enExample)
CN (1) CN1144384C (enExample)
BR (1) BR9911629A (enExample)
CA (1) CA2336307C (enExample)
DE (1) DE69937296T2 (enExample)
WO (1) WO2000001078A1 (enExample)

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Also Published As

Publication number Publication date
DE69937296D1 (de) 2007-11-22
EP1092273A4 (en) 2004-09-22
BR9911629A (pt) 2001-11-27
JP2002519928A (ja) 2002-07-02
EP1092273B1 (en) 2007-10-10
JP4391021B2 (ja) 2009-12-24
CN1144384C (zh) 2004-03-31
US6067324A (en) 2000-05-23
WO2000001078A1 (en) 2000-01-06
DE69937296T2 (de) 2008-07-03
CN1307753A (zh) 2001-08-08
CA2336307A1 (en) 2000-01-06
CA2336307C (en) 2004-05-25
EP1092273A1 (en) 2001-04-18
KR20010053301A (ko) 2001-06-25

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