DE69937296D1 - Nachrichtensystem für senden und demodulation eines nachrichtensignals mit einer adaptiven antennengruppe - Google Patents

Nachrichtensystem für senden und demodulation eines nachrichtensignals mit einer adaptiven antennengruppe

Info

Publication number
DE69937296D1
DE69937296D1 DE69937296T DE69937296T DE69937296D1 DE 69937296 D1 DE69937296 D1 DE 69937296D1 DE 69937296 T DE69937296 T DE 69937296T DE 69937296 T DE69937296 T DE 69937296T DE 69937296 D1 DE69937296 D1 DE 69937296D1
Authority
DE
Germany
Prior art keywords
message
demodulating
transmitting
antenna group
adaptive antenna
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.)
Expired - Lifetime
Application number
DE69937296T
Other languages
English (en)
Other versions
DE69937296T2 (de
Inventor
Robert Mark Harrison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Mobility LLC
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DE69937296D1 publication Critical patent/DE69937296D1/de
Application granted granted Critical
Publication of DE69937296T2 publication Critical patent/DE69937296T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE69937296T 1998-06-30 1999-06-22 Nachrichtensystem für senden und demodulation eines nachrichtensignals mit einer adaptiven antennengruppe Expired - Lifetime DE69937296T2 (de)

Applications Claiming Priority (3)

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
US107106 1998-06-30
PCT/US1999/014005 WO2000001078A1 (en) 1998-06-30 1999-06-22 A communication system for transmitting and demodulating a communication signal using an adaptive antenna array

Publications (2)

Publication Number Publication Date
DE69937296D1 true DE69937296D1 (de) 2007-11-22
DE69937296T2 DE69937296T2 (de) 2008-07-03

Family

ID=22314873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937296T Expired - Lifetime DE69937296T2 (de) 1998-06-30 1999-06-22 Nachrichtensystem für senden und demodulation eines nachrichtensignals mit einer adaptiven antennengruppe

Country Status (9)

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

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Also Published As

Publication number Publication date
JP2002519928A (ja) 2002-07-02
EP1092273A4 (de) 2004-09-22
CA2336307A1 (en) 2000-01-06
WO2000001078A1 (en) 2000-01-06
CN1307753A (zh) 2001-08-08
EP1092273A1 (de) 2001-04-18
JP4391021B2 (ja) 2009-12-24
KR100412295B1 (ko) 2003-12-31
US6067324A (en) 2000-05-23
EP1092273B1 (de) 2007-10-10
DE69937296T2 (de) 2008-07-03
CN1144384C (zh) 2004-03-31
CA2336307C (en) 2004-05-25
BR9911629A (pt) 2001-11-27
KR20010053301A (ko) 2001-06-25

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Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US