非理想感知下动态信道绑定策略性能

doi:10.13229/j.cnki.jdxbgxb201605042

吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (5): 1667-1674.doi: 10.13229/j.cnki.jdxbgxb201605042

非理想感知下动态信道绑定策略性能

金顺福^1,2, 姚兴华³, 霍占强⁴

1.燕山大学信息科学与工程学院,河北秦皇岛 066004;
2.河北省计算机虚拟技术与系统集成重点实验室,河北秦皇岛 066004;
3.中国电信股份有限公司邯郸分公司,河北邯郸 056000;
4.河南理工大学计算机科学与技术学院,河南焦作 454000

收稿日期:2014-08-09 出版日期:2016-09-20 发布日期:2016-09-20
作者简介:金顺福(1966-),女,教授,博士生导师.研究方向:通信系统建模理论.E-mail:jsf@ysu.edu.cn
基金资助:
国家自然科学基金项目(61472342, 61572379).

Performance of the dynamic channel bonding strategy with imperfect channel sensing

JIN Shun-fu^1,2, YAO Xing-hua³, HUO Zhan-qiang⁴

1.School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China;
2.Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province, Qinhuangdao 066004, China;
3.Handan Branch, China Telecom Corporation Limited, Handan 056000, China;
4.College of Computer Science and Technology, He'nan Polytechnic University, Jiaozuo 454000, China

Received:2014-08-09 Online:2016-09-20 Published:2016-09-20

摘要/Abstract

摘要： 为了分析非理想感知结果对认知无线网络系统性能的影响,针对动态信道绑定策略,考虑感知过程中可能出现的漏检错误和误警错误,建立了一种带有多服务台同步中断的修正的抢占优先排队模型。采用矩阵几何解方法给出主用户数据包干扰率、信道利用率及次级用户数据包平均时延等性能指标的表达式,并通过数值实验揭示了不同性能指标间的折中关系。建立了系统成本函数,给出了非理想感知条件下动态信道绑定策略的优化方案。

关键词: 通信技术, 认知无线网络, 非理想感知, 信道绑定, 多服务台, 同步中断, 成本优化

Abstract: In order to investigate the influence of imperfect sensing results on system performance in cognitive radio networks, considering the possible sensing errors, such as misdetection and false alarm, in dynamic channel bonding strategy, a modified preemptive priority queueing model with multi-server synchronous interruption is established. Using the method of matrix geometric solution, performance measures in terms of interference ratio of primary user packets, channel utilization and average delay of secondary user packets are derived, then the trade-off between different performances measures is revealed with numerical results. By constructing a system cost function, the optimum design for the dynamic channel bonding strategy with imperfect channel sensing is presented.

Key words: communication technology, cognitive radio networks, imperfect channel sensing, channel bonding, multi-server, synchronous interruption, cost optimization

中图分类号:

TP393

金顺福, 姚兴华, 霍占强. 非理想感知下动态信道绑定策略性能[J]. 吉林大学学报(工学版), 2016, 46(5): 1667-1674.

JIN Shun-fu, YAO Xing-hua, HUO Zhan-qiang. Performance of the dynamic channel bonding strategy with imperfect channel sensing[J]. 吉林大学学报(工学版), 2016, 46(5): 1667-1674.

参考文献

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Wang Zhi-heng, Huo Zhan-qiang, Jin Shun-fu. System modeling and performance optimization for the power saving strategy of DRX in LTE[J]. Journal of Jilin University (Engineering and Technology Edition), 2015, 45(5): 1615-1623.

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非理想感知下动态信道绑定策略性能

Performance of the dynamic channel bonding strategy with imperfect channel sensing

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