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Virtual region based data gathering method with mobile sink for sensor networks - 2018

Research Area:  Wireless Sensor Networks

Abstract:

To solve the hotspot problem in wireless sensor networks, a type of virtual region based data gathering method (VRDG) with one mobile sink is proposed. Network is divided into several virtual regions consisting of three or less data gathering unit. One or more leaders are selected in each region according to their residual energy as well as the distance to all of the neighbors. Only the leaders upload data to sink in data gathering phase that effectively reduce energy consumption and end-to-end delay. Moreover, the "maximum step distance" could be calculated out by nodes to find out the best transmission path to the leader which further balance energy consumption of the whole network. Simulation results show that VRDG is energy efficient in comparing with MSE, SEP and LEACH. It also does well in prolonging network lifetime as well as in enhancing the efficiency of data collection.

Author(s) Name:   Chao Sha ,Jian-Mei Qiu,Tian-Yu Lu,Ting-Ting Wang and Ru-Chuan Wang

Journal name:  Wireless Networks

Conferrence name:  

Publisher name:  ACM

DOI:  10.1007/s11276-016-1431-8

Volume Information:  Volume 24Issue 5July 2018 pp 1793–1807