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机会频谱接入系统的切换请求排队机制及性能分析

郭彩丽 曾志民 冯春燕 刘琦

郭彩丽, 曾志民, 冯春燕, 刘琦. 机会频谱接入系统的切换请求排队机制及性能分析[J]. 电子与信息学报, 2009, 31(6): 1505-1508. doi: 10.3724/SP.J.1146.2008.01124
引用本文: 郭彩丽, 曾志民, 冯春燕, 刘琦. 机会频谱接入系统的切换请求排队机制及性能分析[J]. 电子与信息学报, 2009, 31(6): 1505-1508. doi: 10.3724/SP.J.1146.2008.01124
Guo Cai-li, Zeng Zhi-min, Feng Chun-yan, Liu Qi. Performance Analysis of Handoff Queuing for Opportunistic Spectrum Access System[J]. Journal of Electronics & Information Technology, 2009, 31(6): 1505-1508. doi: 10.3724/SP.J.1146.2008.01124
Citation: Guo Cai-li, Zeng Zhi-min, Feng Chun-yan, Liu Qi. Performance Analysis of Handoff Queuing for Opportunistic Spectrum Access System[J]. Journal of Electronics & Information Technology, 2009, 31(6): 1505-1508. doi: 10.3724/SP.J.1146.2008.01124

机会频谱接入系统的切换请求排队机制及性能分析

doi: 10.3724/SP.J.1146.2008.01124
基金项目: 

国家自然科学基金(60772110)资助课题

Performance Analysis of Handoff Queuing for Opportunistic Spectrum Access System

  • 摘要: 针对非实时业务的特点,该文提出了机会频谱接入系统的两种切换请求排队方案,并采用二维Markov模型对其性能进行了建模分析,得到了呼叫阻塞率、强制中断率、信道利用率等系统性能关键参数的解析结果。数值结果分析表明,提出的两种切换请求排队方案是降低系统强制中断率的有效方法,且可克服切换信道预留机制阻塞率高、信道利用率低的缺点,信道利用率最多可提高26%。仿真实验验证了理论分析的正确性。
  • Ishibashi B, Bouabdallah N, and Boutaba R. QoSperformance analysis of cognitive radio-based virtual wirelessntworks[C]. IEEE INFOCOM 2008, Phoenix, 2008:2423-2431.Attar A, Nakhai M R, and Aghvami A H. Cognitive radiogame: A framework for efficiency, fairness and QoSguarantee[C]. IEEE ICC 2008, Beijing, 2008: 4170-4174.[2]Su Hang and Zhang Xi. Cross-layer based opportunisticMAC protocols for QoS provisioning over cognitive radiowireless networks [J].IEEE Selected Areas inCommunications.2008, 26(1):118-129[3]Capar F, Martoyo I, and Weiss T, et al.. Comparison ofbandwidth utilization for controlled and uncontrolledchannel allocation in a spectrum pooling system[C]. IEEESpring VTC 2002, Birmingham, 2002: 1069-1073.[4]Tang P K, Chew Y H, Ong L C, and Haldar M K.Performance of secondary radios in spectrum sharing withprioritized primary access[C]. Military CommunicationsConference 2006, Washington, DC, 2006: 1-7.[5]IEEE P802.22./D0.3, Draft standard for wireless regionalarea networks part 22: Cognitive wireless RAN MediumAccess Control and Physical Layer specifications, 2007.[6]田乃硕, 岳德权. 拟生灭过程与矩阵几何解[M]. 北京: 科学出版社, 2002: 16-26.Tian Nai-shuo and Yue De-quan. The Quasi-Birth-DeathProcess and Matrix-Geometric Solutions [M]. Beijing: SciencePress, 2002: 16-26.[7]ETSI. Digital cellular telecommunications system (phase 2+),General Packet Radio Service (GPRS), Stage 2 + ETSIGSM03. 64[E]. Version 7. 0. 0. 1999.
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  • 被引次数: 0
出版历程
  • 收稿日期:  2008-09-09
  • 修回日期:  2009-01-12
  • 刊出日期:  2009-06-19

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