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Compare to the children, boy and girl, when the thickness of skin and muscle is increased, the
relationship between return loss is not affected. From the analysis thickness of muscle, man and
woman are more affected. The simulation show the higher of gain is 4.06 dB compare to other
category of ages (child, boy and girl). It is also not affected the return loss and bandwidth.

Table VIII
Comparison rectangular patch antenna in on-body centric

Bio Tissue Rectangular Patch Antenna
Thickness
Return loss Gain
Women/Man
Skin 58 mm -22.084 4.48
Muscle 58 mm -22.275 4.06

According the simulation result of circular patch antenna, higher increase of thickness for
age’s women and man show higher gain compare to others categories of thickness. When the
thickness become increased, the gain also increased. But it is not affected the return loss. It is happen
because of physical nature of antenna in body centric and obstruction in others material.
From the simulation analysis, it is concluded that rectangular shape is the best structured and
practical to use in wireless communication and in On-Body Centric Communication.

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