Design & Modeling of Hidden Nodes WLAN and MAC Layer Protocol Simulated By NS-2

In wireless network, we are facing a problem to transmitting simultaneously to same receiving node. So that performance of network not same as normal network (may be Central control or ad-hoc network). Normally such type problem solves MAC layer protocol using RTS/CTS, but not only RTS/CTS, also need appropriate protocols parameter. In this paper, Design & modeling hidden nodes WLAN Network and optimized the performance of network. Performance analysis depends upon packet delivery ratio, received packets, loss packets, data rate and end to end delay. Network Simulation is under the basic scheme MAC Layer protocol (DCF). The effect of RTS/CTS, packet length, receiver sensitivity, capture sensitivity and Control Rate are analysis. Here we use NS-2 simulator for model of hidden nodes wireless network and analyze the performance.

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