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A 2×3 High-Gain Coupled Patch Array for Body Area Network Applications

This paper presents a 2 by 3 linear array including strongly coupled 1 by 2 antenna patches useful for body area network applications. The distance between the radiators is kept under a half-wavelength to make the structure compact. The effect of mutual coupling in this situation is used constructively by introducing T-shaped slots in both adjacent patches. The proposed array operates at 5.8 GHz and provides a maximum gain of 12.2 dBi and an impedance bandwidth of 490 MHz.