Design and Evaluation of a Medium Access Control Scheme in Wireless Local Area Home Networks

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Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Mobility
Format: PDF
Wireless Local Area Networks (WLANs) are becoming a popular way of networking computer equipment's in the home and office. In order to support differentiated Quality-of-Service (QoS) in WLANs, the IEEE 802.11e Enhanced Distributed Channel Access (EDCA) protocol allocates multiple Access Categories (ACs) with different priorities, inter-frame spaces and contention window sizes. This paper presents an improved Medium Access Control (MAC) scheme to enhance the QoS of WLANs based on the idea of using the different increasing functions for each AC to enlarge the size of contention window in the case of transmission collision.
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