Analysis of IEEE 802.11g Standard for Communication in a Traffic Lights Distributed Control System

Several studies use wireless communication in different knowledge areas and for different purposes. Restrictions concerning the reliability of transmission may directly affect the good performance of wireless communication. In this work we analyze the wireless communication behavior, using the IEEE 802.11g standard as a basis and aiming at proposing a reliable communication model to a distributed control system of traffic lights. Moreover, analyzes were carried out, by simulations and experiments. Parameters such as distance, power and transmission rate were considered in the analysis and the validation of the results was performed by comparing the delay obtained in the experiments with the theoretical delay obtained in equations which consider the specifications of the IEEE 802.11 physical layer.