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DE69933145D1 - Kalibrierung für eine adaptive Gruppenantenne - Google Patents

Kalibrierung für eine adaptive Gruppenantenne

Info

Publication number
DE69933145D1
DE69933145D1 DE69933145T DE69933145T DE69933145D1 DE 69933145 D1 DE69933145 D1 DE 69933145D1 DE 69933145 T DE69933145 T DE 69933145T DE 69933145 T DE69933145 T DE 69933145T DE 69933145 D1 DE69933145 D1 DE 69933145D1
Authority
DE
Germany
Prior art keywords
calibration
array antenna
adaptive array
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
DE69933145T
Other languages
English (en)
Other versions
DE69933145T2 (de
Inventor
Ryo Yamaguchi
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.)
NTT Docomo Inc
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Mobile Communications Networks 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 Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69933145D1 publication Critical patent/DE69933145D1/de
Application granted granted Critical
Publication of DE69933145T2 publication Critical patent/DE69933145T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • 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
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • 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
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
    • 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
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
    • H01Q3/2635—Combination of a main antenna unit with an auxiliary antenna unit the auxiliary unit being composed of a plurality of antennas
    • 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
    • H01Q3/267—Phased-array testing or checking devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE69933145T 1998-07-13 1999-07-09 Kalibrierung für eine adaptive Gruppenantenne Expired - Lifetime DE69933145T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP19758098 1998-07-13
JP19758198 1998-07-13
JP19758198 1998-07-13
JP19758098 1998-07-13

Publications (2)

Publication Number Publication Date
DE69933145D1 true DE69933145D1 (de) 2006-10-19
DE69933145T2 DE69933145T2 (de) 2007-07-19

Family

ID=26510444

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69933145T Expired - Lifetime DE69933145T2 (de) 1998-07-13 1999-07-09 Kalibrierung für eine adaptive Gruppenantenne
DE69930384T Expired - Lifetime DE69930384T2 (de) 1998-07-13 1999-07-09 Adaptive gruppenantenne

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69930384T Expired - Lifetime DE69930384T2 (de) 1998-07-13 1999-07-09 Adaptive gruppenantenne

Country Status (6)

Country Link
US (1) US6624784B1 (de)
EP (2) EP1367670B1 (de)
JP (1) JP3502348B2 (de)
CN (2) CN1202590C (de)
DE (2) DE69933145T2 (de)
WO (1) WO2000003456A1 (de)

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Also Published As

Publication number Publication date
CN1555108A (zh) 2004-12-15
CN100413147C (zh) 2008-08-20
CN1202590C (zh) 2005-05-18
EP1014485A4 (de) 2002-06-05
US6624784B1 (en) 2003-09-23
EP1367670B1 (de) 2006-09-06
EP1014485A1 (de) 2000-06-28
DE69930384D1 (de) 2006-05-11
JP3502348B2 (ja) 2004-03-02
WO2000003456A1 (fr) 2000-01-20
EP1367670A1 (de) 2003-12-03
CN1275251A (zh) 2000-11-29
DE69933145T2 (de) 2007-07-19
EP1014485B1 (de) 2006-03-15
DE69930384T2 (de) 2006-12-07

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