Study of IEEE 802.11 Modified MAC

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Provided by: International Journal of Advanced Research in Computer and Communication Engineering (IJARCCE)
Topic: Networking
Format: PDF
In some recent researches, distributed coordinate function becomes an important mechanism in order to access the medium (Channel). The IEEE 802.11 protocol is based on Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) with a Binary Exponential Backoff (BEB) algorithm to access the channel as the architecture of 802.11 handles MAC (Medium Access Control) layer and specification of physical layer for wireless LANs. The backoff procedure reduces the probability of collision enhancing its performance. In Binary Exponential Backoff (BEB) algorithm with every unsuccessful transmission introduces twice the waiting time of a node than the previous value redundant fast-growing retransmission delays for the backlog traffic.
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