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Carrier sense multiple access with collision avoidance (CSMA/CA) is one of the basic media access control (MAC) protocols specified in the IEEE 802.11 to support many stations to share a channel in the network. This paper analyzes how the performance of CSMA/CA is affected by the back-off time. We propose to use random back-off time and simulation results show that it can achieve better performance...
This paper presents an analytical model which extends Markov Chain models previously proposed for IEEE 802.11 data link protocol. Unlike already published models, the proposed Markov Chain accounts jointly for the following three factors. First, in addition to collision, it accounts for frames that may be lost due to a low signal-to-noise ratio value at the link receiver (frame corruption). Second,...
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