Provided sink mobility to improve the overall performance of WSNs as it shifts the burden of energy
consumption from the sensor nodes to sink nodes, which are typically considered to have
unconstrained energy supply and larger computational power.
http://scholar.uwindsor.ca/cgi/viewcontent.cgi?article=1102&context=etd
If the mobility of the mobile sink has some structure to it or is predictable to some extent, we can exploit the knowledge about the trajectory to perform predictive routing. We can route data, not to the sink directly, but to the relay nodes along the predicted path of the mobile node. The data remain stashed on those nodes until the mobile node passes by and picks up the data. We use linear programming to find the choice of stashing nodes that minimizes the communication overhead while guaranteeing robustness against link and node failures, as well as trajectory uncertainty.
http://ijcsit.com/docs/Volume%206/vol6issue02/ijcsit2015060218.pdf
Conference Paper Impact of Sink Mobility on Network Performance in Wireless S...
https://www3.nd.edu/~mhaenggi/pubs/mobiopp07.pdf
http://www.cs.bilkent.edu.tr/~korpe/nsrg/pubs/sink_ijdsn.pdf
http://www.thesis.bilkent.edu.tr/0003604.pdf
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