Dynamic Scheduling for Delay Guarantees for Heterogeneous Cognitive Radio Users

被引:0
|
作者
Ewaisha, Ahmed [1 ]
Tepedelenlioglu, Cihan [1 ]
机构
[1] Arizona State Univ, Sch Elect Comp & Energy Engn, Tempe, AZ 85287 USA
来源
2015 49TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS | 2015年
关键词
RESOURCE-ALLOCATION;
D O I
暂无
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
We study an uplink multi secondary user (SU) system having statistical delay constraints, and an average interference constraint to the primary user (PU). SUs with heterogeneous interference channel statistics, to the PU, experience heterogeneous delay performances since SUs causing low interference are scheduled more frequently than those causing high interference. We propose a scheduling algorithm that can provide arbitrary average delay guarantees to SUs irrespective of their statistical channel qualities. We derive the algorithm using the Lyapunov technique and show that it yields bounded queues and satisfy the interference constraints. Using simulations, we show its superiority over the Max-Weight algorithm.
引用
收藏
页码:169 / 173
页数:5
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