Flow Control Scheme Using Adaptive Receiving Opportunity Control for Wireless Multi-Hop Networks
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概要
- 論文の詳細を見る
In wireless single-hop networks, IEEE 802.11e Enhanced Distributed Channel Access (EDCA) is the standard for Quality of Service (QoS) control. However, it is necessary for controlling QoS to modify the currently used IEEE 802.11 Distributed Coordination Function (DCF)-compliant terminals as well as Access Points (APs). In addition, it is necessary to modify the parameter of IEEE 802.11e EDCA when the traffic is heavy. This paper proposes a novel scheme to guarantee QoS of high-priority flow with Receiving Opportunity Control in MAC Frame (ROC) employed adaptive flow control in wireless multi-hop network. In the proposed scheme, the edge APs which are directly connected to user terminals estimate the network capacity, and calculate appropriate ACK prevention probability against low-priority flow according to traffic load. Simulation evaluation results show that the proposed scheme guarantees QoS.
著者
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Murase Tutomu
Nec System Platforms Res. Lab. Kawasaki‐shi Jpn
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Shioda Shigeo
Graduate School Of Engineering Chiba University
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Sakata Shiro
Graduate School Of Advanced Integrated Science Chiba University
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Komuro Nobuyoshi
Graduate School Of Advanced Integrated Science Chiba University
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Takahashi Atsushi
Graduate School Of Engineering Osaka Univ.
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