Abstract
Time division multiple access (TDMA) and frequency division multiple access (FDMA) are two popular multiple access technique that used in several wireless sensor networks. Bothe TDMA and FDMA have their own advantages and disadvantages. In this article, we have tried to use these two together for reducing the interference of inter-cluster and intra-cluster communication. We have first used a clustering algorithm over several numbers of randomly deployed sensor nodes to form one hop clusters. After forming clusters, the time slots are assigned to each sensor node by using FDMA-TDMA technique for every cluster in the network. We have also studied the effect of transmission range on the number of clusters. The proposed system is simulated using a discrete event system simulator to how many slot will be required for the system for a given number of nodes and transmission range. We also find out the suitable frame size of the network by taking different numbers of sensor nodes and by varying the transmission range.
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