Stanford Seminar - Wireless Power Transfer and RF Energy Harvesting: New Options for System Designers

"Wireless Power Transfer and RF Energy Harvesting: New Options for System Designers" -Joshua R. Smith, University of Washington Colloquium on Computer Systems Seminar Series (EE380) presents the current research in design, implementation, analysis, and use of computer systems. Topics range from integrated circuits to operating systems and programming languages. It is free and open to the public, with new lectures each week. Uploaded 13-06-13 Learn more: http://bit.ly/WinYX5 0:00 Introduction 0:52 Sensor Systems Lab Graduate Students 2:21 Why Wireless Power? 5:16 The space of wirelessly powered systems 9:44 WISP and UHF RFID 12:42 WISP Block Diagram 14:13 Rectifying Charge Pump (1 stage) 16:13 Rectifier Efficiency 16:25 Power Management Block 23:33 RFID Cryptography 24:50 Commercialization: Intel STAG 27:53 Wirelessly powered bistable display 30:25 Analog Backscatter 30:32 Hybrid analog-digital backscatter audio sensing 35:06 WARP: Wireless Ambient Radio Power 36:16 WARP: Cell Tower Power 37:47 Old and new harvester designs 40:48 ABC Ambient Backscatter Communication 48:38 Coupled resonators 52:11 Range and orientation adaptation 54:17 RF Health and Science 57:01 Wireless USB Charging LED Message Fan Learn more about your ad choices. Visit megaphone.fm/adchoices