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The element failure detection of antenna arrays is a practical issue in communication field. The sidelobe power level increases to an unacceptable level due to element failure conditions. In this paper, the problem of antenna array failure detection has been solved using Bat Algorithm (BA). A fitness function has been developed to obtain the error between degraded sidelobe pattern and estimated sidelobe...
A monopole wideband antenna is demonstrated in this paper. The proposed antenna has wideband characteristics which work on three different bands can be used for WiMAX, WLAN, Bluetooth and 802.11y enabled devices. Additional resonances are excited by embedding two L-shaped notches in the ground plane. The return loss at each frequency is S11 < −20 dB. The various antenna parameters like Return loss,...
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