研究目的
Introducing a novel electronically beam steered leaky-wave antenna implemented on a substrate integrated waveguide for 5G navigation systems and cellular networks.
研究成果
The proposed design offers low cost, ease of fabrication, beam steering capability, and compactness. It provides the ability of electronic scanning in real time at a fixed frequency. Further improvements can be made by distributing the bias voltage of the switches using optimization algorithms and tapering the slots to improve the antenna response in terms of beam-steering range, SLL, and gain.
研究不足
The side-lobe level (SLL) of the antenna is worse than the SLL of the quasi-uniform LWA without switches due to the existence of switches and varactors covering the slots. The gain of the antenna is reduced due to the inherent loss of the switches and the slots being covered by switches. Implementing a varactor with a wide capacitance range at high frequency is a practical challenge.
