Computer Science ›› 2015, Vol. 42 ›› Issue (3): 91-95.doi: 10.11896/j.issn.1002-137X.2015.03.019

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Perceptive-direction-based Data Gathering in Opportunistic Mobile Sensor Networks

LIANG Quan, HE Wen-wu and ZHANG Yong-hui   

  • Online:2018-11-14 Published:2018-11-14

Abstract: In opportunistic mobile sensor networks,it is necessary to improve the success rate of data transmission and reduce the network costs.At the same time,to minimize the energy consumption of sensors is also needed so as to prolong the lifetime of the network.For simplicity and practicability,a strategy named data gathering based on perceptive direction(DGPD) was presented in the paper.According to the descriptions of the strategy,both two sensors meeting in the network will select the nearest Sink nodes as the reference and calculate their perceptive directions respectively.Subsequently,the routing of the message forwarding is determined in the light of the perceptive direction which is an important parameter,and one sensor sends the message to the other which better facilitates approaching the Sink node so as to improve the data gathering rate and also reduce excessive messages forwarding.The simulation results indicate that this strategy can effectively complete the data gathering and obtain a higher performance of the network.

Key words: Opportunistic mobile sensor network,Data gathering,Perceptive direction,Message forwarding

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