An Improved Rumor Routing Protocol Based on Optimized Intersection Angle Theory and Localization Technologies in WSN

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  • Liu Zhuang
    School of Computer Science and Technology, Changchun University of Science and Technology
  • Feng Xin
    School of Computer Science and Technology, Changchun University of Science and Technology
  • Zhang Jing
    School of Computer Science and Technology, Changchun University of Science and Technology
  • Liu Yan
    School of Computer Science and Technology, Changchun University of Science and Technology
  • Zhang Jianfei
    School of Computer Science and Technology, Changchun University of Science and Technology
  • Zhang Xin
    School of Computer Science and Technology, Changchun University of Science and Technology

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<p>Routing mechanism is a key issue in Wireless Sensor Networks, and rumor routing protocol can reduce energy consumption and extend the lifecycle of network with unicast mechanism. However, in Rumor Routing protocol, the transmission path of event message is not optimal and random forwarding mechanism will lead to routing loop. In this paper, we investigate Rumor Routing protocol, and propose an improved rumor routing protocol based on optimized intersection angle theory. Localization technology and vector intersection angle mechanism are brought into the new protocol as two metrics of route selection. The new mechanism can reduce the energy consumption of data transmission. We compare Rumor Routing protocol, GPSR protocol, a Rumor Routing-based protocol, and the improved protocol. Results of simulation experiments indicate that the improved routing protocol can reduce the energy consumption of routing path and extend the lifecycle of network.</p>

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