Congratulations to Cheng Qi for his paper, “Low-power and Compact Microwave RFID Reader for Sensing Applications in Space”, which has been awarded the best student paper at the IEEE RFID-TA 2018 conference in Macau, SER China. This work documents Cheng’s work on the RFsat mission with Northwest Nazarene University, which is taking a custom-built GTPG microwave backscatter reader and energy-harvesting tag into space as part of a novel science package. His co-authors are Prof. Josh Griffin (GTPG alum) and Prof. Durgin. Well done, Cheng!
Archives for September 2018
WWB08: H-field Modeling around Loops and Coils
In this installment of the Wireless Without Batteries Lectures, we discuss magnetic field modeling around loops and coils. This is the background of near-field charging circuits.
WWB08: H-field Modeling around Loops and Coils
Paper: S.Y. Hui, “Planar Wireless Charging Technology for Portable Electronic Products and Qi,” Proceedings of the IEEE, vol 101, no 6, June 2013.
Reading: MSF02, 04, 06 Youtube Videos
WWB07: RF Thermoelectric Conversion
In this lecture from the Wireless Without Batteries series, we discuss a hypothetical device that converts RF energy to heat, and then to DC power. Not only does this nanoscale device outperform conventional Silicon CMOS diode rectification at the nanoscale, but the analysis illustrates the fundamental thermodynamic limits of RF energy-harvesting.
WWB07: RF Thermoelectric Conversion
Paper: G.D. Durgin. “RF Thermoelectric Generation for Passive RFID,” IEEE RFID 2016, Orlando, FL. 5 May 2016. 8 pages.
WWB06: Thermoelectric Devices
A lecture from the Wireless Without Batteries Series on thermoelectric devices. The principles of thermoelectric devices and their use in energy-harvesting.
WWB06: Thermoelectric Devices
Paper: D. Nemir and J. Beck, “On the Significance of the Thermoelectric Figure of Merit Z,”Journal of Electronic Materials, vol. 39, no. 9, pp. 1897–1901, 2010.