SE9703934D0 - Förfarande och intelligent, digitalt lobformningssystem med förbättradsignalkvalitet - Google Patents

Förfarande och intelligent, digitalt lobformningssystem med förbättradsignalkvalitet

Info

Publication number
SE9703934D0
SE9703934D0 SE9703934A SE9703934A SE9703934D0 SE 9703934 D0 SE9703934 D0 SE 9703934D0 SE 9703934 A SE9703934 A SE 9703934A SE 9703934 A SE9703934 A SE 9703934A SE 9703934 D0 SE9703934 D0 SE 9703934D0
Authority
SE
Sweden
Prior art keywords
signal quality
intelligent
procedure
forming system
improved signal
Prior art date
Application number
SE9703934A
Other languages
English (en)
Other versions
SE9703934L (sv
SE520194C2 (sv
Inventor
Randy Lee Turcotte
Stephen Chih-Hung Ma
Sergio Aguirre
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 SE9703934D0 publication Critical patent/SE9703934D0/sv
Publication of SE9703934L publication Critical patent/SE9703934L/sv
Publication of SE520194C2 publication Critical patent/SE520194C2/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/14Systems for determining direction or deviation from predetermined direction
    • G01S3/38Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements 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
    • H01Q3/2605Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/2813Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/36Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Transceivers (AREA)
  • Optical Communication System (AREA)
  • Radio Transmission System (AREA)
SE9703934A 1996-10-30 1997-10-29 Förfarande och intelligent, digitalt lobformningssystem med förbättrad signalkvalitet SE520194C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/739,645 US5856804A (en) 1996-10-30 1996-10-30 Method and intelligent digital beam forming system with improved signal quality communications

Publications (3)

Publication Number Publication Date
SE9703934D0 true SE9703934D0 (sv) 1997-10-29
SE9703934L SE9703934L (sv) 1998-05-01
SE520194C2 SE520194C2 (sv) 2003-06-10

Family

ID=24973221

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703934A SE520194C2 (sv) 1996-10-30 1997-10-29 Förfarande och intelligent, digitalt lobformningssystem med förbättrad signalkvalitet

Country Status (10)

Country Link
US (1) US5856804A (sv)
JP (1) JPH10145260A (sv)
CA (1) CA2217354A1 (sv)
DE (1) DE19746774A1 (sv)
FI (1) FI974102A (sv)
FR (1) FR2755330A1 (sv)
GB (1) GB2318914B (sv)
IT (1) IT1295416B1 (sv)
SE (1) SE520194C2 (sv)
SG (1) SG60124A1 (sv)

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Also Published As

Publication number Publication date
SE9703934L (sv) 1998-05-01
ITRM970603A1 (it) 1999-04-08
SG60124A1 (en) 1999-02-22
FI974102A0 (sv) 1997-10-30
US5856804A (en) 1999-01-05
SE520194C2 (sv) 2003-06-10
CA2217354A1 (en) 1998-04-30
JPH10145260A (ja) 1998-05-29
GB9719331D0 (en) 1997-11-12
IT1295416B1 (it) 1999-05-12
GB2318914B (en) 2001-05-09
GB2318914A (en) 1998-05-06
FR2755330A1 (fr) 1998-05-01
DE19746774A1 (de) 1998-05-07
FI974102A (sv) 1998-05-01

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