Antenna device capable of reducing a phase noise

Details Antenna device capable of reducing a phase noise Antenna device capable of reducing a phase noise

H - Electricity

01

Q

351/19

H01Q 3/36 (2006.01) G01S 7/02 (2006.01) H01Q 3/30 (2006.01) H01Q 19/17 (2006.01)

Patent

CA 1321640

Abstract of the Disclosure: In an antenna device comprising an antenna block which can electrically control a direction of a radio wave transmitted or received by the antenna device, a phase shift unit is connected to the antenna block to phase shift an external electric signal or an internal electric signal given to or from the antenna device. The phase shift unit has variable and discrete phase shifts switched from one to another in response to a control signal supplied from a controller and supplies a phase shifted external signal to the antenna block or a phase shifted internal signal to an external device. The antenna block comprises a plurality of antenna elements and a plurality of phase shifters which are connected to the antenna elements to send the phase shifted external signal to the respective antenna elements or to send the internal electric signal to the phase shift unit.

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