Performances evaluation and enhancement of MPEG4 transmission over IEEE 802.11 WLAN

With the increased use and advances in the field of wireless networking, many issues are being confronted. One major issue is the transmission of video and audio over wireless networks. In wireless mobile networks, the range of possible scenarios, and the traffic load generated by their typical applications give principal key aspects that make challenges to select a given routing protocol. In this paper, the authors evaluate the practicality of realizing a wireless network and investigate on performance issues. The authors have tried to simulate different scenarios for wireless networks and compare their performance based on a number of factors. The authors used ns-2 for all our simulations. They tried to quantify the effects of factors like cluster size, routing protocols, packet size and type of traffic, that affect the performance of wireless networks. The impact of these factors will be evaluated on the following perfomance metrics: throughput, end-to-end delay, fitter, loss across different scenarios. This study centres on investigating the results of simulations to propose a new approach relating to the management of a MPEG flow for a wireless link