Abstract
Zigbee technology which targets low data rate, low power consumption and low cost application is suitable for Wireless Sensor Network (WSN) as its wireless communication technology. In the construction of WSN using Zigbee, the factors which could affect the stability of communication links should be considered. In this work, we discuss the construction environment of WSN. Then, in order to access the performance of Cluster-Tree network, we develop an NS2 simulator for Cluster-Tree WSN, and analysis the influence to stability of communication links caused by sending packet ratio and communication range. The simulation results show that it is not useful to improve the stability of communication links by increasing sending packet ratio and communication range simply. Both of them should be in a relatively balanced state.
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