. Author manuscript; available in PMC: 2021 Oct 28.

Published in final edited form as: IEEE Internet Things J. 2021 Mar 23;8(17):13763–13773. doi: 10.1109/jiot.2021.3068198

TABLE II:

Comparison between the Bellyband [3] and the proposed Bellypatch antennas

	Bellyband [2, 3]	Bellypatch (Proposed)
Sensing property	Strain	Compression
RFID chip	Murata Magicstrap [2]	Monza R6 [5]
Dimensions (mm³)	Relaxed: 81×20×1, Stretched: 100×20×1	Relaxed: 135×30×11, Compressed: 135×30×6
Chip Input Impedance	25 - j200 Ω	12 - j120 Ω
Maximum radiation efficiency (on-body)	7.3% [4]	43.1%
Read range (on-body)	0.6 m	4.1 m (135 mm band), 5.8 m (145 mm band)
Radiation pattern	Omnidirectional	Directional