표 1. | Table 1. 성능 비교표 | The comparison of performance.

	Ref. [4]	Ref. [5]	Ref. [6]	This Work
Architecture	Envelope detection	Uncertain-IF	Low-IF	Dual-IF with N-Path filter
Sensitivity	−41 dBm	−72 dBm	−70 dBm	−84 dBm
Power consumption	98 nW	52 μW	44 μW	148 μW
Data rate	100 kbps	100 kbps	200 kbps	10 kbps