Abstract
The goal of the paper is to obtain a good WLAN video conference services, including an increased number of users and reliable coverage area with minimum implementation cost. We presents a simulation study ( using OPNET Modeler 14.0 package) of a video conference services working over different wireless local area network (WLAN) standards (IEEE 802.11a and IEEE 802.11g) with two different modes of data transmission (multicast and multiple unicast). Also , we examined different video compression techniques to choose a suitable one to work on the system . Finally , a new WLAN access point architecture was used to enhance video conferencing performance and to maximize the number of its users . Practical implementation of a video conferencing system was achieved over WLAN when using classic and developed Access point .
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