Evalution of the Performance and Congestion-Control in Wireless Mesh Networks

Provided by: International Journal on Computer Science and Technology (IJCST)
Topic: Enterprise Software
Format: PDF
Wireless mesh network is a well suited future technology. Its properties like low cost, high bandwidth and significant progress have been made in understanding the behavior of TCP and congestion controlled traffic over CSMA based multi-hop wireless networks. Despite these advances, however, no prior work identified severe throughput imbalances in the basic scenario of mesh networks, in which a one-hop flow contends with a two-hop flow for gateway access. In this paper, the authors demonstrate via real network measurements, test bed experiments and an analytical model that starvation exists in such a scenario; i.e., the one-hop flow receives most of the bandwidth, while the two-hop flow starves.

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