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A 39 µW body channel communication wake-up receiver with injection-locking ring-oscillator for wireless body area network
2012 IEEE International Symposium on Circuits and Systems
An ultra-low power wake-up receiver for body channel communication (BCC) is implemented in 0.13μm CMOS process. The proposed wake-up receiver uses the injection-locking ring-oscillator (ILRO) to replace the RF amplifier with low power consumption. Through the ILRO, the frequency modulated input signal is converted to the full swing rectangular signal which is directly demodulated by the following low power PLL based FSK demodulator. In addition, the relaxed sensitivity and selectivitydoi:10.1109/iscas.2012.6271848 dblp:conf/iscas/ChoBY12 fatcat:2eludwtrurb7zbs6xltcb4qkai