Abstract

This article presents a compact multiband, multimode frequency reconfigurable antenna for heterogeneous wireless applications. The antenna features a simple geometrical configuration consisting of a triangular monopole antenna loaded with three stubs. By adjusting the biasing condition of the three embedded diodes, six different operation modes are achieved that are wideband, single narrow band, dual-band, and triband operational modes. The proposed antenna offers an acceptable gain, omnidirectional radiation pattern, and high efficiency. The antenna prototype was fabricated and tested to validate its performance. The strong agreement between simulated and measured results confirms the suitability of the proposed antenna for modern wireless applications, requiring multiband and multimode compact antennas.

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