A power-harvesting pad-less mm-sized 24/60GHz passive radio with on-chip antennas
Honolulu, HI（2014）
摘要
A wireless-powered pad-less single-chip dual-band mm-wave passive radio is implemented in 65nm CMOS for applications in sensor networks and wireless tagging. This fully self-sufficient system has no pads or external components (e.g. power supply), and the entire radio is a single 3.7mm × 1.2mm chip. To provide multi-access, and to mitigate interference, it uses two separate mm-wave bands for RX/TX and integrates both antennas to provide a measured communication range of 50cm. Compared to mm-sized passive radio solutions in the same category this system provides an order of magnitude range enhancement while improving input sensitivity by >14dB. Wideband pulse transmission enables real-time localization with time-of-flight. The entire system operates with standby harvested power below 1.5μW and aggregate rate >12Mbps.
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关键词
cmos integrated circuits,energy harvesting,field effect mimic,field effect mmic,interference suppression,microwave antennas,millimetre wave antennas,receiving antennas,telecommunication power supplies,transmitting antennas,wireless sensor networks,rx-tx antenna,frequency 24 ghz,frequency 60 ghz,fully self-sufficient system,interference mitigation,magnitude range enhancement,mm-wave bands,on-chip antennas,size 65 nm,time-of-flight,wideband pulse transmission,wireless tagging,wireless-powered harvesting pad-less single-chip dual-band mm-wave passive radio,antennas,time of flight,transponders,wireless communication
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