Episode Details

"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

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