Spectrum load balancing for medium access in cognitive radio systems

被引：15
|
作者：
Chronopoulos, A. T. [1 ]
Musku, M. R. [1 ]
Penmatsa, S. [3 ]
Popescu, D. C. [2 ]
机构：
[1] Univ Texas San Antonio, San Antonio, TX 78249 USA
[2] Old Dominion Univ, Dept ECE, Norfolk, VA 23529 USA
[3] So Arkansas Univ, Magnolia, AR 71753 USA
来源：
IEEE COMMUNICATIONS LETTERS | 2008年 / 12卷 / 05期
基金：
美国国家科学基金会;
关键词：
spectrum allocation; game theory; load balancing;
D O I：
10.1109/LCOMM.2008.071968
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this work, the problem of spectrum allocation in cognitive radios is shown to be similar to the load balancing problem in distributed computer systems. Spectrum Load Balancing (SLB) algorithm based on the non-cooperative load balancing problem in computers is proposed, and is applied to a cognitive radio system. The capability of SLB to support QoS in the presence of other competing cognitive networks is evaluated via simulations and compared with the existing Spectrum Load Smoothing (SLS) algorithm. SLB is more efficient than SLS and it provides a Nash Equilibrium.
引用
收藏
页码：353 / 355
页数：3
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