Data MULEs: modeling and analysis of a three-tier architecture for sparse sensor networks.

Rahul C. Shah Sumit Roy Sushant Jain Waylon Brunette Data MULEs: modeling and analysis of a three-tier architecture for sparse sensor networks. 215-233 2003 1 Ad Hoc Networks 2-3 http://dx.doi.org/10.1016/S1570-8705(03)00003-9 db/journals/adhoc/adhoc1.html#ShahRJB03