Dr. Maria Gorlatova and Dr. Aya Wallwater received the IEEE Communications Society Young Author Best Paper Award

 
M. Gorlatova, A. Wallwater, and G. Zussman, “Networking Low-Power Energy Harvesting Devices: Measurements and Algorithms“, IEEE Transactions on Mobile Computing, Vol. 13, No. 9, pp. 1853-1865, Sept. 2013.
 
This award recognizes “Author(s) of an original paper in a subject related to the Society’s technical scope and appearing in one of the Society’s solely owned or jointly owned transactions or journals in the previous 3 calendar years and who, upon the date of submission of the paper, is(are) less than 30 years of age.” The award ceremony will take place at IEEE GLOBECOM’16 (Dec. 2016).
 
Maria Gorlatova received the Ph.D. in Electrical Engineering in May 2013 under the supervision of Prof. Gil Zussman. This award is her second one from the IEEE Communications Society. During her studies at Columbia, Maria received the 2011 IEEE Communications Society Award for Advances in Communications, the Columbia Presidential Fellowship, the Canadian Graduate Scholar (CGS) NSERC Fellowship, the Google Anita Borg Fellowship, the Columbia Electrical Engineering Department Jury Award, and the ACM SenSys’11 Best Student Demo Award. Aya Wallwater was a visiting student in the Electrical Engineering Dept. WiMNet Lab in 2009-2010 and later received her Ph.D. from the Columbia IEOR department. 
 
The research described in the paper was conducted as part of the EnHANTs project and was motivated by advances in ultra-low-power communications and energy harvesting techniques. These advances will soon enable the operation of energy harvesting wireless nodes (e.g., powered by energy harvested from indoor light) that can serve as one of the building blocks for the Internet of Things. Although a lot of data is available regarding outdoor solar and wind energy, at the time of the paper publication, there was almost no information about the availability and characteristics of energy whose source is indoor ambient light.
 
Therefore, the paper summarized the results of a first-of-its-kind measurement campaign of indoor light energy harvesting levels and provided a through analysis of the results. Specifically, the paper presents the results of a 16-months-long light measurement study and provides key insights into algorithm and system design (e.g., determining the sizes of a node’s energy harvester and battery). In addition, it introduces the design considerations of energy-harvesting-aware algorithms. In that area, it was the first to introduce the notion of time fairness to support the operation in a dynamic harvesting environment, and was the first to incorporate the nonlinearity of capacitor-based energy harvesting nodes into such algorithms.


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