Simulation Analysis of QoS Parameters by Combining MAC and TCP in MANETS

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Executive Summary

This paper evaluates the performance evaluation of interaction between Transport and the MAC layer protocols operating in a mobile adhoc network. In Adhoc networks, certain Q0S parameters like error rate, delay and packet loss are increased and certain parameters like throughput and delivery ratio are decreased in Transport layer is due to MAC problems and disconnection is also possible due to mobility or power failure. The authors examine the effects of two different MAC protocols - IEEE 802.lland IEEE8O2.lle with Slow start and Arithmetic Increase and Multiplicative Decrease (AflfD) mechanism of TCP.IEEE8O2. 11 uses distributed coordination function (DCF) where IEEE8O2.lle uses enhanced distributed coordination function (EDCF).

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