Two-Probe Excited Circular Ring Antenna for MIMO Application

In this paper, the authors present the analysis and design of a two-probe excited circular ring antenna. The analysis is conducted by using induced EMF method and transmission line model. The design process is to choose a suitable radius of the ring for a single probe antenna. Then, the suitable probe length and ring length are determined for the two-probe antenna. Finally, isolation between the two probes is enhanced by insertion of an inductor coil between the probes. The operational characteristics of the prototype antenna at the frequency of 5.2GHz are measured and compared with calculation results.

Provided by: EMW Publishing Topic: Mobility Date Added: Oct 2009 Format: PDF

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