JPS53107218A - Antenna device - Google Patents

Antenna device

Info

Publication number
JPS53107218A
JPS53107218A JP2177277A JP2177277A JPS53107218A JP S53107218 A JPS53107218 A JP S53107218A JP 2177277 A JP2177277 A JP 2177277A JP 2177277 A JP2177277 A JP 2177277A JP S53107218 A JPS53107218 A JP S53107218A
Authority
JP
Japan
Prior art keywords
antenna device
outgoing
antennas
incoming
providing
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.)
Pending
Application number
JP2177277A
Other languages
Japanese (ja)
Inventor
Takuro Oguchi
Katsuyuki Imamura
Isao Nakazawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2177277A priority Critical patent/JPS53107218A/en
Publication of JPS53107218A publication Critical patent/JPS53107218A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15585—Relay station antennae loop interference reduction by interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Relay Systems (AREA)

Abstract

PURPOSE:To reduce interference accompanying transmission-reception coupling, by providing a compensator circuit between incoming and outgoing antennas of a microwave repeater, etc.
JP2177277A 1977-03-01 1977-03-01 Antenna device Pending JPS53107218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2177277A JPS53107218A (en) 1977-03-01 1977-03-01 Antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2177277A JPS53107218A (en) 1977-03-01 1977-03-01 Antenna device

Publications (1)

Publication Number Publication Date
JPS53107218A true JPS53107218A (en) 1978-09-19

Family

ID=12064355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2177277A Pending JPS53107218A (en) 1977-03-01 1977-03-01 Antenna device

Country Status (1)

Country Link
JP (1) JPS53107218A (en)

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