A Comprehensive Survey on Routing Protocol Based On Sink Mobility in Wireless Sensor Network

Recently wireless sensor network(WSN) based technologies are being implemented at the magnifying rate for different application fields. WSN is particularly beneficial for obtaining data concerning events. Energy-saving is a crucial problem in WSN since nodes are battery-powered and cannot be replaced. Therefore designing an energy-efficient routing algorithm with high reliability and minimized data loss has become essential. Many researchers have concentrated on this issue. In this paper, we categorize the most prevalent routing protocols into two groups: static sink-based routing protocol and mobile sink-based routing protocol. We analyze these two groups of algorithms based on three parameters: energy efficiency, data delivery in time, and reliability. The merits and demerits of each protocol are listed in tabular form in our paper. Finally, we wrap up this paper with a few suggested extensions that need more investigation.