Abstract
A modified particle swarm optimization (PSO) variant is implemented on a conventionally optimized broadband antenna. Proposed algorithm uses heterogeneous boundary conditions to particles that fly out of the search space. Search space boundary conditions were chosen depending on which bound was violated. The algorithm is executed using MATLAB for the PSO computations and IE3D. Microstrip antennae inherently suffer from low bandwidth. Thus, a broadband patch antenna is optimized to improve the antenna return loss bandwidth in order to validate the proposed algorithm. For the patch antenna, a significant 12 % bandwidth improvement and 20.84 % size reduction was achieved. It was fabricated and satisfactory conformity was found with simulated results.
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Kibria, S., Islam, M.T., Yatim, B. et al. A modified PSO technique using heterogeneous boundary conditions for broadband compact microstrip antenna designing. Ann. Telecommun. 69, 509–514 (2014). https://doi.org/10.1007/s12243-013-0395-2
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DOI: https://doi.org/10.1007/s12243-013-0395-2