A 98nW wake-up radio for wireless body area networks

  title={A 98nW wake-up radio for wireless body area networks},
  author={Nathan E. Roberts and D. D. Wentzloff},
  journal={2012 IEEE Radio Frequency Integrated Circuits Symposium},
A 0.13μm CMOS low power wake-up radio is presented. The wake-up radio operates with -41dBm sensitivity at 915MHz using OOK modulation with a data rate of 100kbps while consuming 98nW active power, 11pW sleep power, and has an energy efficiency of 0.98pJ/bit. The wake-up radio occupies 0.03mm2 and uses two off-chip components (an inductor and a capacitor). All biasing and calibration for process variation and mismatch is included on-chip. The entire radio operates from a single 1.2V supply. 
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