Analysis of Sub-Band Allocation in Multi-Service Cognitive Radio Access Networks

被引：1
|
作者：
Carvalho, Glaucio H. S. [1 ]
Woungang, Isaac [1 ]
Anpalagan, Alagan [2 ]
机构：
[1] Ryerson Univ, Dept Comp Sci, Toronto, ON M5B 2K3, Canada
[2] Ryerson Univ, Dept Elect & Comp Engn, Toronto, ON M5B 2K3, Canada
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2014年 / 3卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Multi-service cognitive radio network; bursty data traffic; dynamic spectrum access; Markov chain;
D O I：
10.1109/LWC.2014.2344669
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This letter addresses the sub-band allocation problem in dynamic spectrum access (DSA) scheme in a multi-service cognitive radio network (CRN) built over a multi-service primary network (PRN). Both access networks support connection-level and packet-level services, where the Poisson process and the Markov modulated Poisson process are used to describe the connection-level and packet-level services, respectively. By means of a multi-dimensional continuous-time Markov chain model, the DSA scheme is assessed under various traffic load profiles. Numerical results show that the connection-level secondary users's quality of service may be significantly deteriorated by the packet-level primary user service.
引用
收藏
页码：645 / 648
页数：4
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