针对多媒体应用优化了WLAN MAC协议

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI:10.1109/WOCN.2008.4542484

Hushairi Zen, D. Habibi, Alexander Rassau, I. Ahmad

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引用次数: 1

摘要

本文针对多媒体应用提出了一种优化的无线局域网MAC协议。提出的MAC协议包括3个主要的优化架构:业务隔离、特定业务间隔(SI)的语音和视频业务和更小的竞争窗口(CW)。业务隔离将实时业务与最佳努力业务分离开来，而特定业务间隔则根据语音和视频业务的平均到达率为其提供SI。在争用时间范围内，CW被减小以减少延迟和提高吞吐量。Ns2被用作模拟工具，将我们提出的协议的结果与传统的802.11和802.11e协议进行比较。我们证明了我们的协议比传统的802.11和802.11e具有更好的吞吐量。在我们提出的协议中，吞吐量的波动也显示较低。实现的技术还提供了更容易和更好的实时流量管理，以支持有保证的服务质量(QoS)。

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Optimized WLAN MAC protocol for multimedia applications

In this paper we propose an optimized WLAN MAC protocol for multimedia applications. The proposed MAC protocol consist of 3 main optimizing architectures, traffic segregation, specific service interval (SI) for voice and video traffic and smaller contention window (CW). Traffic segregation segregates real-time traffic from best-effort traffic while specific service interval provides voice and video traffic with the SI based on its mean arrival rate. In the contention time frame, the CW is made smaller to reduce delay and increase throughput. Ns2 is used as a simulating tool to compare the results of our proposed protocol with the legacy 802.11 and the 802.11e protocols. We show that our protocol has significantly better throughput than the legacy 802.11 and the 802.11e. Fluctuations in the throughput is also shown to be lower in our proposed protocol. The technique implemented also provides easier and better management of realtime traffic to support guaranteed quality of service (QoS).

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来源期刊

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08)

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