Mobile base stations placement and energy aware routing in wireless sensor networks

Abstract

Abstract-Increasing network lifetime is important in wireless sensor/ad-hoc networks. In this paper, we are concerned with algorithms to increase network lifetime and amount of data delivered during the lifetime by deploying multiple mobile base stations in the sensor network field. Specifically, we allow multiple mobile base stations to be deployed along the periphery of the sensor network field and develop algorithms to dynamically choose the locations of these base stations so as to improve network lifetime. We propose energy efficient low-complexity algorithms to determine the locations of the base stations; they include i) Top-K max algorithm, ii) maximizing the minimum residual energy (Max-Min-RE) algorithm, and iii) minimizing the residual energy difference (MinDiff-RE) algorithm. We show that the proposed base stations placement algorithms provide increased network lifetimes and amount of data delivered during the network lifetime compared to single base station scenario as well as multiple static base stations scenario, and close to those obtained by solving an integer linear program (ILP) to determine the locations of the mobile base stations. We also investigate the lifetime gain when an energy aware routing protocol is employed along with multiple base stations.

Lifetime maximization of wireless sensor networks with sink costs

“…Constraints (8) and (9) equate the total outgoing data and total incoming data, respectively, to zero if the sensor is not active. Constraints (11)(12)(13) (10) and (12). Similarly, if sensor (i, r) is in standby mode in period t, namely q irt = 0 , a irt is equal to zero with the help of constraint (11) and the nonnegativity restriction (13).…”

Coordinated movement of multiple mobile sinks in a wireless sensor network for improved lifetime

“…Azad and Chockalingam [26] also deals with the multiple-sink mobility problem. The authors choose feasible sink-site locations along the periphery of the field and propose three heuristics, Top-K max , Max-Min-RE, and MinDiff-RE, to determine the sojourn points of the sinks in each round.…”

ARM Microcontroller Based Wireless Sensor Network to Monitor Environmental Parameters of Textile Industry

“…Each node solders the responsibility of its own grid. Therefore, the nodes interact with the physical world and collect site specific information at the base station [6]. Thus, the WSN is most suitable for collection of information spread over wide area.…”