An Adaptive IEEE 802.11 Scheme for Voice and Data Services in Wireless LANs

Changle Li, J. Almhana, Jiandong Li, Zikuan Liu, R. McGorman
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引用次数: 4

Abstract

In this paper we propose an adaptive transmission algorithm over an IEEE 802.11 WLAN that supports integrated voice and data services, where data traffic is transmitted with the Distributed Coordination Function (DCF), while voice transmission is carried out with the Point Coordination Function (PCF). The proposed algorithm defines an updating period. At the beginning of each period and based on the transmission statistics of the previous one, our algorithm adjusts the protocol parameters to improve data transmission without compromising voice transmissions, i.e., maximum allowable delay is respected. To show the efficiency of the proposed algorithm, we compare it with a previous work we did in Li et al. (2006). The simulation results are provided and show the advantage of using such algorithm in term of protocol performance.
无线局域网中语音和数据业务的自适应IEEE 802.11方案
在本文中,我们提出了一种基于IEEE 802.11 WLAN的自适应传输算法,该算法支持集成语音和数据业务,其中数据流量使用分布式协调功能(DCF)传输,而语音传输使用点协调功能(PCF)进行。该算法定义了一个更新周期。在每个时间段开始时,基于前一个时间段的传输统计数据,我们的算法调整协议参数,在不影响语音传输的情况下提高数据传输,即尊重最大允许延迟。为了显示所提出算法的效率,我们将其与Li等人(2006)所做的先前工作进行了比较。仿真结果显示了该算法在协议性能方面的优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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