Balaaji S. P. Subbiah

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In this paper, we conduct a systematic study of human-initiated cascading failures in three critical inter-dependent societal infrastructures due to behavioral adaptations in response to a crisis. We focus on three closely coupled socio-technical networks here: (i) cellular and mesh networks, (ii) transportation networks and (iii) mobile call networks. In(More)
The design, analysis and evaluation of protocols in cellular and hybrid networks requires realistic traffic modeling, since the underlying mobility and traffic model has a significant impact on the performance. We present a unified framework involving constrained temporal graphs that incorporate a variety of spatial, homophily and call-graph constraints(More)
Improving spectrum utilization is essential to meet the ever growing demand for wireless spectrum. FCC currently sells licenses for spectrum bands in the “primary market” on a long term basis, and over large regions; these can lead to localized surpluses and deficits, and “secondary markets” have been proposed for trading them.(More)
Market based spectrum allocation should be competitive and economically efficient to effectively use the spectrum. Yet infrastructure markets have a tendency to become natural monopolies or oligopoly due to the high fixed costs and inherent economies of scale. Instruments such as set-asides, bidding credits, spectrum caps, band plan and auction designs are(More)
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