Design of the Tri-band UWB Microstrip Patch Antenna for WBAN Applications
Keywords:
Data rate, frequency bands, Quality of Service (QoS), radiation patterns, return loss (S11), Ultrawideband (UWB), Voltage Stand Wave Ratio (VSWR), Wireless Body Area Networks (WBAN)Abstract
The increasing commercialization of the Wireless Body Area Networks (WBAN) in various healthcare facilities poises for the growing network resources competition in the Physical layer. In remote health monitoring, energy scarcity and limited bandwidth compromise demand for optimized network lifetime and high data rate of the multimedia information with reduced spectral noises. In this paper, we have designed a compact Tri-band antenna with three rejection bands for WBAN applications. The rectangular antenna patch is etched on RT/Duroid substrate. The patch consists of flat chamfers, semi-circular, and elliptical slots. The simulated antenna resonates at three distinct frequencies; 6.39 GHz, 7.15 GHz, and 9.89 GHz each operating at the ultrawideband (UWB) with a return loss (|S11|) > 10 dBm. The antenna is designed using Computer Simulation Technology software (CST-2016) and analyzed for its return loss, field radiation, bandwidth (cumulative BW, 3473.8 MHz), and voltage standing wave ratio (VSWR<1.5). Simulation results show antenna performance characteristics which suit various WBAN applications.
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