Relative Evaluation of Mobility Assistance in Wireless Sensor Network

A wireless sensor network (WSN) with mobile nodes is a network design that includes both static sensor nodes and mobile nodes for data collection and transmission. The mobility in the WSN brings advantages since the mobile node can move within the network region, providing enhanced flexibility and adaptability. Along with the benefits of mobility, it introduces novel challenges to networking algorithms, particularly in the areas of energy efficiency and data throughput. In this research work, we evaluate the mobility assistance in the algorithm designs for WSN. Also, we propose the Cache Controlled Cluster Networking Protocol (CCCNP) with the detached node method to assist mobility in WSNs. It is a decentralized dynamic networking protocol where a few additional cache nodes build the entire network and manage data transfer from nodes to the base station (BS). We simulate our algorithm along with the LEACH, LEACH-VH, LEACH-M, and LEACH-CCH algorithms over the sensor network, with mobile node participation increasing from 10 to 40% and node velocity between 0 and 50 m/s. The results demonstrate that in all network node configurations, the CCCNP algorithm outperforms the other four algorithms. The average improvement of our algorithm in the network lifespan and the average number of data packets communicated to the BS are noted to be 2.4 times and 1.92 times more as compared to the others, respectively.