Computer Science ›› 2010, Vol. 37 ›› Issue (7): 79-82.
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YIN An,WANG Ring-wen,HU Xiao-ya
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Abstract: Clustering is an important method to design the energy efficient routing protocols in wireless sensor networks. This paper analyzed the principles of the iHEED protocol and pointed out the "parent node loss after clustering" phenomenon by simulation and theoretical analysis. For imporving the iHEED protocol, the "clustering by node level"was introduced and implemented on TinyOS named iHEEDCHLevel protocol. From simulation using TOSSIM, it shows that the iHEED-CHLevel protocol is effective on clustering by node level and guarantees the setup of routing tree among the cluster heads for aggregated data transfer.
Key words: Wireless sensor networks,iHEED,iHEEDCHLevel,Clustering by node level, TOSSIM
YIN An,WANG Ring-wen,HU Xiao-ya. Improvement of iHEED Protocol in Wireless Sensor Network Based on Clustering by Node Level[J].Computer Science, 2010, 37(7): 79-82.
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