Adaptive CSMA/CD: an improved MAC protocol

Authors:
S. Silakari;Piyush Kumar Shukla;Ujjwal Nigam;Anuj Garg
Affiliations:
Dept. of CSE, UIT, RGTU, Bhopal, M.P., India;Dept. of CSE, UIT, RGTU, Bhopal, M.P., India;Dept. of CSE, TIT, Bhopal, M.P., India;T&P OGI, Bhopal, M.P., India
Venue:
MATH'08 Proceedings of the American Conference on Applied Mathematics
Year:
2008

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Abstract

The challenge of designing an efficient Medium Access Control (MAC) protocol and analyzing it has been an important research topic for over 30 years. This paper focuses on the performance analysis (through simulation) and modification of a well known MAC protocol CSMA/CD. The existing protocol does not consider the wastage of bandwidth due to unutilized periods of the channel. By considering this fact, performance of MAC protocol can be enhanced. The purpose of this work is to modify the existing protocol by enabling it to adapt according to state of the network. The modified protocol takes appropriate action whenever unutilized periods detected. In this way, to increase the effective bandwidth utilization and determine how it behaves under increasing load, and varying packet sizes.