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Microwave Reader Design for RFSat

Posted on July 5, 2019 Written by Gregory Durgin


Low-power and Compact Frequency Hopping RFID Reader at 5.8 GHz for Sensing Applications in Space
Cheng Qi; Robert W. Corless; Joshua D. Griffin; Gregory D. Durgin
IEEE Journal of Radio Frequency Identification
Year: 2019

This invited journal paper discusses the low-powered, custom microwave reader developed for the RFSat mission in conjunction with Northwest Nazarene University.  The article is available on IEEExplore.

Filed Under: Backscatter Radio, Publication, Wireless Power

Congraduations, Jake and Emily!

Posted on May 22, 2019 Written by Gregory Durgin

Jake Smith and Emily Backer graduated with their MSEE this May.  Both helped tremendously with the microwave power transfer work in the lab, with Jake working on energy-harvesting circuits to drive sample light display and Emily designing a thin, holographic reflector arrays for high-powered sources.  Jake now joins Texas Instruments in Dallas, TX while Emily is staying local in Duluth, GA as she starts a position at ViaSat.  Congratulations on the great contributions you both made to our program as well as the new jobs with top-notch companies!

We should also note that Zach Silva successfully completed his MSEE, as noted earlier, but will be returning to GT for the PhD program in the Fall.

Filed Under: News, Wireless Power

Article in the WSJ About Apple’s Wireless Charging Woes

Posted on April 10, 2019 Written by Gregory Durgin

After the recent cancellation of Apple’s rollout of the AirPower, the wireless charging solution for the many different personal iDevices we have all bought over the years, there has been a lot of speculation about why these charging technologies have been so difficult to launch.  A recent WSJ article by Joanna Stern presents a nice article about the difficulties (and quotes a GT emag prof as well).  You can read the rest of the article in the Wall Street Journal here “Apple Didn’t Solve Our Horrible Gadget-Charging Mess and Nobody Else Has, Either.”

The author does a good job of explaining (with PlayDoh) some lay-physics about why wireless charge mats are so difficult to achieve:

Filed Under: News, Wireless Power

RFID: Past, Present, and Future

Posted on April 8, 2019 Written by Gregory Durgin

The 2019 edition of Prof. Durgin’s technical tutorial delivered at in Phoenix, AZ at the IEEE RFID 2019 conference.  Download the slides here.

Filed Under: Backscatter Radio, Education, Radiolocation, Wireless Power

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Conference Watch

IEEE RFID 2021 (hybrid)
27-29 April 2021, Phoenix, AZ
Submission Deadline:  2 February 2021

IEEE IMS 2021 (hybrid)
6-11 June 2021, Atlanta, GA
Submission Deadline: 15 Dec 2021

IEEE ICC 2021
14-18 June 2021, Montreal, Canada
Submission Deadline:  20 Jan 2021

IEEE APS 2021
10-16 July 2021, Singapore
Submission Deadline:  15 Jan 2021

IEEE RFID-TA 2021
September 2021, Aveiro, Portugal
Submission Deadline:  June 2021

IEEE WiSEE 2021
10-12 October 2021, Cleveland, OH
Submission Deadline:  1 July 2021

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