ACTIVE ANTENNA SYSTEM WITH MULTIPLE FEED PORTS AND CONTROL METHOD THEREOF

摘要

An active antenna system with multiple feed ports and a control method of the active antenna system are provided. The active antenna system includes an antenna radiation element, a first feed port and a second feed port. If the first control circuit is in a close state, the first feed port and a first physical position of the antenna radiation element are connected with each other, so that a signal is fed to the antenna radiation element through the first feed port and the first physical position. If the second control circuit is in the close state, the second feed port and a second physical position of the antenna radiation element are connected with each other, so that the signal is fed to the antenna radiation element through the second feed port and the second physical position.

主权项

1. An active antenna system with multiple feed ports, the active antenna system comprising:
a printed circuit board having an antenna clearance region; an antenna radiation element included in the antenna clearance region, wherein the antenna radiation element has a first physical position and a second physical position; a metal ground surface formed on a first layer of the printed circuit board and outside the antenna clearance region; a first control circuit, wherein a first terminal of the first control circuit is connected to the first physical position, a second terminal of the first control circuit is connected to a first feed port, and a control terminal of the first control circuit receives a first control signal, wherein the first feed port and the first physical position are selectively connected with each other or disconnected from each other according to the first control signal; and a second control circuit, wherein a first terminal of the second control circuit is connected to the second physical position, a second terminal of the second control circuit is connected to a second feed port, and a control terminal of the second control circuit receives a second control signal, wherein the second feed port and the second physical position are selectively connected with each other or disconnected from each other according to the second control signal, wherein the first control circuit and the first feed port are formed on a second layer of the printed circuit board and outside the antenna clearance region.