JPWO2021132430A1 - - Google Patents

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Publication number
JPWO2021132430A1
JPWO2021132430A1 JP2021567593A JP2021567593A JPWO2021132430A1 JP WO2021132430 A1 JPWO2021132430 A1 JP WO2021132430A1 JP 2021567593 A JP2021567593 A JP 2021567593A JP 2021567593 A JP2021567593 A JP 2021567593A JP WO2021132430 A1 JPWO2021132430 A1 JP WO2021132430A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021567593A
Other languages
Japanese (ja)
Other versions
JPWO2021132430A5 (en
JP7450231B2 (en
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 filed Critical
Publication of JPWO2021132430A1 publication Critical patent/JPWO2021132430A1/ja
Publication of JPWO2021132430A5 publication Critical patent/JPWO2021132430A5/ja
Application granted granted Critical
Publication of JP7450231B2 publication Critical patent/JP7450231B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01S3/28—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • 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
    • H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP2021567593A 2019-12-24 2020-12-24 Receiver, receiving system, transmitter, receiving method and program Active JP7450231B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019233423 2019-12-24
JP2019233423 2019-12-24
PCT/JP2020/048353 WO2021132430A1 (en) 2019-12-24 2020-12-24 Receiver, receiving system, transmitter, receiving method, and program

Publications (3)

Publication Number Publication Date
JPWO2021132430A1 true JPWO2021132430A1 (en) 2021-07-01
JPWO2021132430A5 JPWO2021132430A5 (en) 2022-08-09
JP7450231B2 JP7450231B2 (en) 2024-03-15

Family

ID=76574331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021567593A Active JP7450231B2 (en) 2019-12-24 2020-12-24 Receiver, receiving system, transmitter, receiving method and program

Country Status (2)

Country Link
JP (1) JP7450231B2 (en)
WO (1) WO2021132430A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013164333A (en) * 2012-02-10 2013-08-22 Nippon Telegr & Teleph Corp <Ntt> Method and device for controlling tracking antenna orientation direction
JP6760592B2 (en) * 2016-05-31 2020-09-23 国立大学法人岩手大学 Beacon device, direction estimation method using the beacon device, position estimation method, and communication terminal device
US10333633B2 (en) 2017-05-10 2019-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Angle of arrival estimation in a radio communications network

Also Published As

Publication number Publication date
WO2021132430A1 (en) 2021-07-01
JP7450231B2 (en) 2024-03-15

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