Reconfigurable Microstrip Antenna Design Based on Microgenetic Algorithm

A scheme of reconfigurable microstrip antenna is presented, and the reconfigurability of the antenna are explored using microgenetic algorithm(MGA) in conjunction with the finite-difference time-domain(FDTD) method. A pattern reconfigurable antenna with a fixed operation frequency is optimized and designed. The optimized results indicate that a capability of pattern scanning within a single plane can be achieved by using three switchable states at 6.5 GHz. This work also shows the potential application value of GA in the optimizing and designing of reconfigurable antenna.