Improved quality-based channel state feedback scheme in multicast systems with greedy scheduling

Hang Li, Xiaojing Huang, Y. J. Guo, Xiaojing Huang
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引用次数: 1

Abstract

This paper proposes an Improved Quality-Based Channel State Feedback (IQCF) scheme in multicast systems with greedy scheduling for multiple multicast groups. The proposed scheme outperforms the Quality-Based Channel State Feedback (QCF) scheme in the literature by selecting a scheduling outage group for data transmission when scheduling outage happens. We also analyze its performance in terms of average capacity and outage probability, and present a closed-form system average capacity expression over Rayleigh fading channels. The numerically evaluated analytical results are verified by simulations.
贪婪调度多播系统中改进的基于质量的信道状态反馈方案
提出了一种改进的基于质量的多播信道状态反馈(IQCF)方案,该方案适用于多组播贪婪调度系统。该方案在调度中断发生时选择调度中断组进行数据传输,优于文献中基于质量的信道状态反馈(QCF)方案。从平均容量和中断概率两方面分析了其性能,给出了瑞利衰落信道下系统平均容量的封闭表达式。数值计算的分析结果得到了仿真的验证。
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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