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http://dx.doi.org/10.12673/jkoni.2012.16.4.641

A Wireless Sink Congestion Control by Tournament Scheduling  

Lee, Chong-Deuk (Division of Electronic Engineering, Chonbuk national University)
Publication Information
Journal of Advanced Navigation Technology / v.16, no.4, 2012 , pp. 641-648 More about this Journal
Abstract
The up-streams of the continuous streaming of data packets with lower importance level in the wireless sink node can cause congestion and delay, they affect on energy efficiency, memory size, buffer size, and throughput. This paper proposes a new wireless sink congestion control mechanism based on tournament scheduling. The proposed method consists of two module parts: stream decision module part and service differentiation module part. The final winner in the tournament controls congestion effectively, minimizes packet loss due to congestion, decreases energy consumption, and improves QoS. The simulation result shows that the proposed method is more effective and has better performance compared with those of congestion descriptor-based control method, reliability-based control method, and best-effort transmission control method.
Keywords
sink node; congestion; energy efficiency; throughput; tournament scheduling;
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