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无线区域网单小区中下行链路的子信道分配 被引量：4

A New Subchannel Allocation Scheme for Downlink within a Single Cell of WRAN
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摘要 分析了无线区域网(WRAN)中认知基站与无线麦克风(WM)之间和认知无线电用户与WM之间的干扰,在此基础上建立了一种新的WRAN与WM的共存模型;以最大化系统下行链路速率为目标,给出了WRAN单小区中信道分配的数学模型.为了快速求解这一混合整数规划问题,将信道分配问题等效为二部图中的最大匹配问题,运用图论中的匈牙利算法求得问题的最优解.仿真结果表明了新方法的有效性. A new wireless regional area network （WRAN）-wireless microphone （WM） coexistence model is established based on analysis of interference between base station and WM, consumer premise equipments and WM for WRAN. In order to maximize the downlink data transmission rate, a new sub- channel allocation of a single cell in WRAN is modeled as a mixed-integer nonlinear programming problem, that is equivalent to find the maximum matching graph of the bipartite graph. Hungarian algorithm of graph theory is here employed to get the optimal solution. Simulation results show its effectiveness.
作者 刘英挺 张海林 惠蕾放 刘淑华 卢小峰
机构地区 西安电子科技大学ISN国家重点实验室
出处 《北京邮电大学学报》 EI CAS CSCD 北大核心 2011年第6期69-72,共4页 Journal of Beijing University of Posts and Telecommunications
基金 国家自然科学基金项目(61072069) 111基地项目(B08038) 综合业务网理论及关键技术国家重点实验室项目(ISN090105) 中央高校基本科研业务费专项资金项目(72105242) 陕西省自然科学基础研究计划项目(2010JM8001)
关键词 无线区域网 认知无线电 图论 匈牙利算法 信道分配 wireless regional area network cognitive radio graph theory Hungarian algorithm channel allocation
分类号 TN911.22 [电子电信—通信与信息系统]
  • 相关文献

参考文献7

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二级参考文献19

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共引文献4

同被引文献26

  • 1杨象驰,李鹏飞.基于ISAPI的通信工程PM系统设计研究[J].西安电子科技大学学报,2004,31(5):799-802. 被引量：1
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  • 4Ko Gwangzeen, Franklin A A, You S J, et al. Channel Management in IEEE 802.22 WRAN Systems [J]. IEEE Communications Magazine, 2010, 48(9): 88-94.
  • 5Stuber G L, Almalfouh S M, Sale D. Interference Analysis of TV-Band White Space [J]. Proceedings of the IEEE, 2009, 97(4): 741-754.
  • 6Wang B, Wu Y, Liu K J R. Game Theory for Cognitive Radio Networks: an Overview[J]. Computer Networks, 2010, 54(14) : 2537-2561.
  • 7Nie N, Comaniciu C. Adaptive Channel Allocation Spectrum Etiquette for Cognitive Radio Networks [J]. Mobile Networks and Applications, 2006, 11(6): 779-797.
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引证文献4

二级引证文献3

北京邮电大学学报
2011年 第6期

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