A wireless portable SOS device based on all-digital-phase-locked-loop.

Xue-Jiao Zhang Keji Cui Zhuo Zou Li-Rong Zheng

Published in: ICCE-TW (2015)

Keyphrases

phase locked loop
portable devices
multipath
personal digital assistants
high voltage
remote control
medical devices
wireless networks
wireless communication
mobile ad hoc networks
monitoring system
mobile users
mobile terminals
hand held devices
mobile computing devices