RADIO FREQUENCY ANTENNA

摘要

The present invention relates to a radio frequency antenna comprising a polyhedral structure and multiple metamaterial radio frequency units attached to the polyhedral structure. Each metamaterial radio frequency unit comprises an attached dielectric, a feeder cable, and a metal plate arranged on one surface of the dielectric. The feeder cable is fed into the metal plate by coupling. The metal plate has microstructures hollowed out thereupon. In the radio frequency antenna of the present invention, the polyhedral structure has arranged on the lateral faces thereof the multiple metamaterial radio frequency antenna units, allowing the metamaterial radio frequency antenna units on each lateral face to cover independently a specific region. By designing the directional characteristics and gain of each metamaterial radio frequency unit, signal coverage is improved for a certain space or for the entire space, thus allowing for greatly improved overall radiation efficiency of the radio frequency antenna.