BS-3-37 Improving Flow Capacity of Multi-Hop MAC Protocol for Sensor Networks(BS-3. Management and Control Technologies for Innovative Networks)
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概要
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In this paper we investigate the impact of contention on the flow capacity of Demand Wakeup MAC (DW-MAC), which is a state-of-the-art multi-hop MAC protocol. We find that instead of using the original large contention window (CW), a DW-MAC's flow using a smaller CW could avoid unnecessary contention. The analysis and ns-2 simulation result revealed that DW-MAC with new values for CW achieves higher throughput, lower end-to-end latency, and greater energy efficiency.
- 2012-03-06
著者
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Ji Yusheng
The Graduate University For Advance Studies:national Institute Of Informatics
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Nguyen Kien
The Graduate University for Advanced Studies
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