The impact of dielectric constant on radiation efficiency of embedded antenna located inside human body or another liquid\nenvironment is investigated both analytically and numerically.Our research is analysed and simulated at 403 MHz in the Med Radio\nband (401ââ?¬â??406 MHz) and within a block of 2/3 human muscle phantom. Good agreement is achieved between analysis and\nsimulation results. This work provides a guidance in selecting insulator for embedded antennas.
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