INDEPENDENTLY CONTROLLABLE HYBRID DRA FOR OFF-BODY WBAN APPLICATION
DOI:
https://doi.org/10.54228/mjaret08220002Keywords:
On-Body antenna, slot antenna, hybrid antenna, dielectric resonator antenna, biomedical antenna, wearable antenna.Abstract
This study proposes, simulates, and experimentally validates a hybrid dual-band antenna made up of an L-shaped radiating slot and a cylindrical dielectric resonator antenna (CDRA). The fundamental mode (TM10) of the slot that produces the lower frequency resonant band (2.4 GHz) is excited by the microstrip transmission line, and the slot underneath the CDRA is excited by the HEM11 mode of the CDRA to produce the higher frequency band (5.8 GHz). Both the slot and CDRA modes have a resonance frequency that may be changed almost independently of one another. To demonstrate the true behaviour of the modes and overall system, an analogous circuit model of the hybrid system's separate modes is extracted. The antenna's on-body study demonstrates that it is appropriate for usage in wearable biomedical devices.
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