Geographic Routing Using Logical Levels in Wireless Sensor Networks for Sensor Mobility

In this paper, the authors propose an improvement to the GRPW algorithm for wireless sensor networks called GRPWM, which collects data in a Wireless Sensor Network (WSN) using mobile nodes. Performance of GRPW algorithm depends heavily on the immobile sensor nodes. This prediction can be hard to do. For that reason, they propose a modified algorithm that is able to adapt to the current situation in the network in which the sensor node considered mobile. The goal of the proposed algorithm is to decrease the reconstruction cost and increase the data delivery ratio.

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