Construct Small Worlds in Wireless Networks Using Data Mules
SUTC '08 Proceedings of the 2008 IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (sutc 2008)
Adaptive optimal buffer management policies for realistic DTN
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Lessons from the sparse sensor network deployment in rural India
ICDCN'10 Proceedings of the 11th international conference on Distributed computing and networking
DTN: an architectural retrospective
IEEE Journal on Selected Areas in Communications
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To overcome the problem of unavailability of grid power in rural India, we explore the possibility of powering WSN Gateways using a bicycle dynamo. The "data mule" bicycle generates its own power to ensure a self sustainable data transfer scheme to benefit small and marginal farmers. In our agricultural scenario, farmers have to generate electricity to get access to the technology. Our power measurements show that it is indeed possible to drive GPRS technologies with this power. We propose Transfer Energy Budget - a two way metric for gateway nodes to announce the available energy for relaying data. To achieve our goal, we exploit the DTN stack in the energy sense and introduce necessary modifications to its configuration. The results indicate that a 50 packet buffer has the least transfer energy budget with a data latency of about 31 seconds.