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Sink-Initiated Geographic Multicasting Protocol for Mobile Sinks in Wireless Sensor Networks  

Lee, Jeong-Cheol (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Park, Ho-Sung (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Oh, Seung-Min (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Jung, Ju-Hyun (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Yim, Yong-Bin (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Kim, Sang-Ha (충남대학교 컴퓨터공학과 컴퓨터네트워크 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.4A, 2010 , pp. 377-385 More about this Journal
Abstract
In this paper, we propose a SInk-initiated geographic Multicast (SIM) protocol to reduce frequent location updates from mobile sinks to a source and to achieve fast multicast tree construction and data delivery. The proposed protocol allows sinks to construct their own data delivery paths to a source node and a multicast tree to be atomically constructed by merging the paths. Then, the source forwards data to the destinations down the multicast tree. This paper also propose a round-based virtual infrastructure with a radial shape for increasing the merging probability of data delivery paths and reducing reconstruction ratio of the multicast tree due to mobility of sinks. Simulation results show that the proposed protocol is superior to previous SOurce-initiated geographic Multicast (SOM) protocols in term of average data delivery delay and average energy consumption.
Keywords
Sink mobility; Multicast; Geographic Multicasting; Wireless Sensor Networks;
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