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Analyzing Split Channel Medium Access Control Schemes

UNCG Author/Contributor (non-UNCG co-authors, if there are any, appear on document)
Jing Deng, Assistant Professor (Creator)
Institution
The University of North Carolina at Greensboro (UNCG )
Web Site: http://library.uncg.edu/

Abstract: In this work, we analyze and evaluate the maximum achievable throughput of split-channel MAC schemes that are based on the RTS/CTS (Ready-To-Send/Clear-To-Send) dialogue and that rely on pure ALOHA or on p-persistent Carrier Sensing Multiple Access (CSMA) contention resolution techniques. Our results show that, when radio propagation delays are negligible and when the pure ALOHA mechanism is used, then for a network with relatively large number of nodes, the maximum achievable throughput of the split-channel MAC schemes is lower than that of the corresponding single-channel MAC schemes. When the split-channel MAC schemes employ the p-persistent CSMA mechanism, then they out-perform the corresponding single-channel schemes when the maximum end-to-end propagation delays are at least 25% of the transmission time of the control packets on the single shared channel.

Additional Information

Publication
IEEE Transactions on Wireless Communications, vol. 5, no. 5, pp. 967-971, May 2006.
Language: English
Date: 2006
Keywords
MAC, Split channel, Pure ALOHA, p-persistent CSMA, Contention resolution, RTS/CTS dialogue, Control channel, Data sub-channel