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mobility. They have also a defect which is hard to make full use of gateway between sensor networks and Internet. The other problem is that the cost of the overhead to reorganize network topology and reconstruct dissemination paths from sensor nodes to the mobile sink is expensive. Sink mobility causes topology reconstruction in case of the network topology where the sink participates in network construction. Also, although the sink doesn’t join in network topology construction, there could be control overhead for regenerating data dissemination paths to new sink location. It is enormous overheads to sensor nodes with the constrained energy. Hence, we propose a novel communication model of collecting data through sensor node using static sink and delivering the data to a moving user within sensor fields and a novel mechanism to support mobility of users. But, one stati

Year: 2009
OAI identifier: oai:CiteSeerX.psu:10.1.1.135.9828
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