Computer Science ›› 2013, Vol. 40 ›› Issue (9): 68-72.

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Data Delivery Scheme of DTMSN Based on Comprehensive State of Node

WU Qian and YANG Ji-lin   

  • Online:2018-11-16 Published:2018-11-16

Abstract: To better solve the problem of data collection in DTMSN(delay tolerant mobile sensor network,DTMSN),this paper proposed a new data delivery scheme-NCSD(Node Comprehensive State Data Delivery Scheme).NCSD calculates the node comprehensive state,according to fuzzy comprehensive evaluation when delivering messages.To optimize the management of information copy,NCSD adopts dynamic message queue and decides the principle of abandoning messages based on their survival time.Simulation results show that compared with the existing algorithm of DTMSN data transmission,NCSD has a higher delivery ratio in data transmission.

Key words: DTMSN,Comprehensive state of node,Fuzzy comprehensive evaluation

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