A 1.12pJ/b resonance compensated inductive transceiver with a fault-tolerant network controller for wearable body sensor networks

Abstract

A low-energy inductive coupling link with a low energy fault-tolerant wearable body sensor network (BSN) controller is proposed to realize intra- and cross-layer wearable network at once. The intra-layer switch adopts the hybrid routing scheme to achieve fault-tolerance, and the cross-layer inductive transceiver employs the resonance compensator with an on-chip capacitor bank and a variable hysteresis Schmitt-Trigger to compensate dynamic and static variances of an woven inductor, achieving 10 Mbps wireless transaction with the reception energy of 1.12pJ/b at 2.5 V supply in 0.25 mum 1P5M CMOS.