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An Evaluation of Data Delivery Mechanisms in Clustered Sensor Networks  

Park Tae-Keun (단국대학교 전자컴퓨터학부 멀티미디어학)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.3A, 2006 , pp. 304-310 More about this Journal
Abstract
This paper evaluates the performance of three types of data delivery mechanisms in clustered sensor networks, as a basic research to develop an energy efficient topology management scheme. In the first mechanism, one node per cluster(clusterhead) turns on its radio(or wakes up) to transmit and receive RTS/CTS/DATA/ACK messages, but in the second one, k nodes per cluster wake up and participate in the message exchange. In the last mechanism, clusterheads turn on the radio to exchange RTS/CTS messages, and if a clusterhead receives RTS containing its cluster m as a destination, it makes k nodes in the cluster hun on the radio to receive DATA and transmit ACK. Through simulation, we show the energy consumption of the three types of data delivery mechanisms as functions of the number of active nodes per cluster, offered load, and packet loss probability.
Keywords
Data Delivery Mechanism; Clustered Sensor Networks; Performance Evaluation; Energy Consumption; Retransmission;
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