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A Wi-Fi broadcasting system is a kind of Mobile-TV system that transmits multimedia content over Wi-Fi networks. The specialty of the system is that it takes advantage of broadcast packets for streaming to be scalable to the number of users. However, the loss rate of broadcast packets is much higher than that of unicast ones because MAC layer retransmission is not applied on broadcast packets. To...
In this paper, we present a collision avoidance method for Multi-AP Wi-Fi broadcasting systems. Whereas the existing studies consider single AP based Wi-Fi broadcasting systems, our study focuses on Multi-AP systems which can cover much wider area. We identify and describe a packet collision problem, specific to Multi-AP systems, caused by simultaneous transmission. Two collision scenarios are found...
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