AU2001263953A1 - Adaptive antenna array and method of controlling operation thereof - Google Patents

Adaptive antenna array and method of controlling operation thereof

Info

Publication number
AU2001263953A1
AU2001263953A1 AU2001263953A AU6395301A AU2001263953A1 AU 2001263953 A1 AU2001263953 A1 AU 2001263953A1 AU 2001263953 A AU2001263953 A AU 2001263953A AU 6395301 A AU6395301 A AU 6395301A AU 2001263953 A1 AU2001263953 A1 AU 2001263953A1
Authority
AU
Australia
Prior art keywords
downlink
signal processor
antenna elements
antenna array
downlink beam
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.)
Abandoned
Application number
AU2001263953A
Other languages
English (en)
Inventor
Ray Owen
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 Solutions Inc
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 AU2001263953A1 publication Critical patent/AU2001263953A1/en
Abandoned 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—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 antenna switching
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Burglar Alarm Systems (AREA)
  • Details Of Aerials (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radio Transmission System (AREA)
AU2001263953A 2000-06-07 2001-06-05 Adaptive antenna array and method of controlling operation thereof Abandoned AU2001263953A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0013735A GB2363256B (en) 2000-06-07 2000-06-07 Adaptive antenna array and method of controlling operation thereof
GB0013735 2000-06-07
PCT/EP2001/006440 WO2001095427A2 (en) 2000-06-07 2001-06-05 Adaptive antenna array

Publications (1)

Publication Number Publication Date
AU2001263953A1 true AU2001263953A1 (en) 2001-12-17

Family

ID=9893071

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001263953A Abandoned AU2001263953A1 (en) 2000-06-07 2001-06-05 Adaptive antenna array and method of controlling operation thereof

Country Status (9)

Country Link
US (1) US7062246B2 (de)
EP (2) EP1293050B1 (de)
JP (1) JP2003536308A (de)
AT (1) ATE378741T1 (de)
AU (1) AU2001263953A1 (de)
CA (1) CA2411437C (de)
DE (1) DE60131396T2 (de)
GB (1) GB2363256B (de)
WO (1) WO2001095427A2 (de)

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Also Published As

Publication number Publication date
GB2363256B (en) 2004-05-12
EP1775856A3 (de) 2012-11-14
EP1293050A2 (de) 2003-03-19
GB2363256A (en) 2001-12-12
EP1293050B1 (de) 2007-11-14
GB0013735D0 (en) 2000-07-26
DE60131396D1 (de) 2007-12-27
EP1775856A2 (de) 2007-04-18
WO2001095427A3 (en) 2002-04-04
DE60131396T2 (de) 2008-09-11
JP2003536308A (ja) 2003-12-02
CA2411437A1 (en) 2001-12-13
ATE378741T1 (de) 2007-11-15
WO2001095427A2 (en) 2001-12-13
US7062246B2 (en) 2006-06-13
US20040204098A1 (en) 2004-10-14
CA2411437C (en) 2009-01-06

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