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周期性协作频谱感知机制的优化 被引量：1

Optimization of Periodic Cooperative Spectrum Sensing Mechanisms
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摘要 为了提高检测性能和频谱资源利用率,对认知无线电网络中的周期性协作频谱感知机制进行了研究。针对不同的衰落信道环境,通过引入有效传输时长比例和干扰时长比例作为次用户服务质量的衡量标准,给出了集中式协作感知下的检测时长、数据传输时长以及协作用户数量等参数的最优选取方法,从而获得最高的信道效率。仿真结果表明,通过选取最佳的协作感知机制参数,可在保证系统检测性能和干扰容限要求的同时,显著提高次用户在空闲信道的有效传输时长比例,实现了频谱利用效率的最大化。 Periodic cooperative spectrum sensing mechanisms in cognitive radio（CR） networks are investigated to improve the performance of detection and the efficiency of spectrum utilization. The algorithms are proposed in different fading environment to obtain the optimal mechanism parameters such as detection duration, data transmission duration and the number of cooperative users, by adopting the ratio of effective and non-effective transmission duration as the criterion of the quality of service of secondary users. The simulation results show that the efficiency scheme can increase the ratio of effective transmission duration significantly and maximize the channel for the CR users while satisfying the detection performance and interference constraints.
作者 郭云玮 刘全 高俊
机构地区 海军工程大学通信工程系
出处 《电讯技术》 北大核心 2011年第1期74-79,共6页 Telecommunication Engineering
基金 国家高技术研究发展计划(863计划)项目(2009AAJ208 2009AAJ116)~~
关键词 认知无线电 频谱感知 协作感知 感知机制 检测时长 传输时长 cognitive radio （CR） spectrum sensing cooperative sensing sensing mechanism detection duration transmission duration
分类号 TN92 [电子电信—通信与信息系统]
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参考文献10

  • 1ZENG Y, LIANG Y, HOANG A T, et al. A review on spectrum sensing for cognitive radio: challenges and solutions[J]. EURASIP Journal on Advances in Signal Processing, 2010 (1):1 - 15.
  • 2张宇,冯春燕,郭彩丽.基于可变间隔的认知无线电频谱检测机制[J].北京邮电大学学报,2008,31(2):128-131. 被引量：15
  • 3GHASEMI A, SOUSA E S. Optimization of specman sensing for opportunistic spectrum access in cognitive radio networks [ C]//Proceedings of 4th Annual IEEE Consumer Communications and Networking Conference. Las Vegas, US: IEEE, 2007: 1022- 1026.
  • 4KIM H, SHIN K G. Efficient discovery of spectrum opportunities with MAC - layer sensing in cognitive radio networks [J]. IEEE Transactions on Mobile Computing,2008, 7(5): 533 - 545.
  • 5ZHOU X, LI Y, Young H K, et al. Detection Timing and Channel Selection for Periodic Spectrum Sensing in Cognitive Radio[C]//Proceedings of Global Telecommunications Conference. New Orleans, LA, USA: IEEE, 2008: 1- 5.
  • 6郭晨,彭涛,王文博.认知无线电网络中合作频谱感知机制的优化[J].电子与信息学报,2009,31(7):1525-1530. 被引量：11
  • 7LI Y, ZHOU X, XU H, et al. Energy- efficient transmission in cognitive radio networks [ C]//Proceedings of 7th IEEE Consumer Communications and Networking Conference. Las Vegas, NV, US: IEEE, 2010: 1- 5.
  • 8DIGHAM F F, ALOUINI M, SIMON M K. On the energy detection of unknown signals over fading channels [ C]//Proceedings of IEEE International Conference on Communications. [ S.l. ] : IEEE, 2003 : 3575 - 3579.
  • 9GHASEMI A, SOUSA E S. Opportunistie spectrum access in fading channels through collaborative sensing [ J ]. Journal of Communications,2007, 2(2) : 71 - 82.
  • 10KUPEROUNTAS S, CORREAL N, SHI Q, et al. Performance analysis of cooperative spectrum sensing in Suzuki fading charmels[C]//Proceechings of 2nd International Con- ference on Cognitive Radio Oriented Wireless Networks and Communications. Orlando, USA: IEEE, 2007 : 428 - 432.

二级参考文献16

  • 1玄光男 程润伟.遗传算法与工程优化[M].北京:清华大学出版社,2004..
  • 2Caili G, Tiankui Z, Zhimin Z, et al. Investigation on spectrum sharing technology based on cognitive radio[C] //First International Conference on Communications and Networking in China (CHINACOM 2006). Beijing: IEEE Press, 2006:1-5.
  • 3Kim H, Shin K G. Adaptive MAC-layer sensing of spectrum availability in cognitive radio networks[EB/OL]. (2006-01-01) [2007-05-15]. http://www. eecs. umich.
  • 4Lu Linjun, Chang S-Y. Technology proposal package for IEEE 802. 22 [EB/OL]. (2005-11) [2007-05-15]. http : // www. ieee802. org/22/.
  • 5Muterspaugh M, Liu Hang, Gao Wen. Thomson proposal outline for WRAN [EB/OL]. (2005-11-7) [2007-05- 15 ]. http ://www. ieee802. org/22/.
  • 6Ross S M. Stochastic processes[M]. NewYork: John Wiley & Sons, 1983: 77-83.
  • 7Luo L,Roy S.Analysis of search schemes in cognitive radio[].Networking Technologies for Software Define Radio Networks.2007
  • 8Luo L,Roy S.A two-stage sensing technique for dynamic spectrum access[].ICC.2008
  • 9Ghasemi A,Sousa E S.Spectrum sensing in cognitive radio networks:The cooperation-processing tradeoff[].Wireless Communications and Mobile Computing.2007
  • 10Ross S M.Introduction to Probability Models[]..2006

共引文献22

同被引文献16

  • 1Zhao Q, Sadler B M. A survey of dynamic spectrum access [J]. IEEE Signal Processing Magazine,2007,24 ( 3 ) :79 - 89.
  • 2Zeng Y, Liang Y, Hoang A T, et al. A review on spectrum sensing for cognitive radio: challenges and solutions [ J ]. EURASIP Journal on Advances in Signal Processing,2010, 2010, doi : 10.1155/2010/381465.
  • 3Ghasemi A, Sousa E S. Optimization of spectrum sensing for opportunistic spectrum access in cognitive radio networks [ C]//Proceedings of 4^th Annual IEEE Consumer Communi- cations and Networking Conference. Las Vegas, NV, USA : IEEE, 2007 : 1022 - 1026.
  • 4Kim H, Shin K G. Efficient discovery of spectrum opportuni- ties with MAC-layer sensing in cognitive radio networks [ J ]. IEEE Transactions on Mobile Computing,2008,7 (5) :533 - 545.
  • 5Zhou X, Ma J, Li G, et al. Probability-based combination for cooperative spectrum sensing [ J ]. IEEE Transactions on Communications, 2010,58 (2) :463 - 466.
  • 6Li Z, Yu F R, Huang M. A distributed consensus-based co- operative spectrum-sensing scheme in cognitive radios [ J ]. IEEE Transactions on Vehicular Technology, 2010,59 ( 1 ) : 383 - 393.
  • 7Ghasemi A, Sousa E S. Opportunistic spectrum access in fa- ding channels through collaborative sensing [ J ]. Journal of Communications,2007,2 (2) : 71 - 82.
  • 8Ma J, Li Y. Soft combination and detection for cooperative spectrum sensing in cognitive radio networks [ C ]//Proceed- ings of IEEE Global Telecommunications Conference, GLO- BECOM. Washington D. C. , USA: IEEE, 2007:3139 - 3143.
  • 9Kyperountas S, Correal N, Shi Q, et al. Performance analy- sis of cooperative spectrum sensing in suzuki fading channels [ C ]//Proceedings of 2^nd International Conference on Cogni- tive Radio Oriented Wireless Networks and Communica- tions, CrownCom. Orlando, USA : IEEE ,2007:428 - 432.
  • 10Zhou X, Li Y, Kwon Y H, et al. Detection timing and chan- nel selection for periodic spectrum sensing in cognitive radio [ C ]//Proceedings of IEEE Global Telecommunications Conference, GLOBECOM. New Orleans, USA : IEEE ,2008 : 1 -5.

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2011年 第1期

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