云南高校图书馆联盟文献共享服务平台- 国家重点基础研究发展计划(2009CB320401)

国家重点基础研究发展计划(2009CB320401): 作品数：32被引量：34H指数：4; 导出分析报告; 相关作者：吴伟陵贺志强牛凯许文俊褚红发更多>>; 相关机构：北京邮电大学山东轻工业学院山东大学教育部更多>>; 相关期刊：《华南理工大学学报（自然科学版）》《The Journal of China Universities of Posts and Telecommunications》《高技术通讯》《电子技术应用》更多>>; 相关主题：RESOURCE_ALLOCATIONCOGNITIVE_RADIO认知无线电COGNITIVE_RADIO_NETWORKS信道估计误差更多>>; 相关领域：电子电信自动化与计算机技术理学一般工业技术更多>>

非理想信道状态下两跳中继系统收发信机鲁棒联合优化设计被引量：2: 《高技术通讯》2014年第11期1108-1114,共7页褚红发李楠喻丹牛凯吴伟陵; 973计划(2009CB320401);国家自然科学基金(61171100);新一代宽带无线移动通信网科技重大专项(2010ZX03003-001;2012ZX03004-002)资助项目; 针对非理想信道状态信息下两跳中继多输入多输出(MIMO)系统,按照空间相关性进行了非理想MIMO信道建模,在此基础上提出了一种新的多节点联合优化设计该系统收发信机的算法。该算法基于估计信号的最小均方误差(MMSE)准则,把源节点预编码...; 关键词：多输入多输出(MIMO) 中继信道状态信息(CSI) 预编码联合优化迭代算法

一种基于相等信干噪比的反向功率控制算法: 《电子技术应用》2013年第10期105-108,共4页张文军周怀北朱星宇; 国家重点基础研究发展计划课题(2009CB320401); 针对CDMA认知无线网络的反向链路,在不损害主用户通信的前提下,为次用户的数据通信设计一种新的功率控制算法。该算法以相等信干噪比为前提,使用基于能量效率的效用函数,求解相应的函数最大值问题。该算法复杂度低,用户公平性好,其功率...; 关键词：码分多址认知无线电相等信干噪比效用函数反向功率控制

Resource allocation for the cluster-based cooperative multicast in OFDM-based cognitive radio systems: 《The Journal of China Universities of Posts and Telecommunications》2013年第4期1-7,33,共8页ZHANG Shuang-lu XU Wen-jun LI Sheng-yu LIN Jia-ru; supported by the National Basic Research Program of China (2009CB320401);the National Natural Science Foundation of China (61101117);National Key Scientific and Technological Project of China (2012ZX03004005002);Fundamental Research Funds for the Central Universities (BUPT2012RC0112); This paper investigates the resource allocation problem for the cluster-based cooperative multicast in orthogonal frequency division multiplexing （OFDM）-based cognitive radio （CR） systems. Aiming at maximizing the...; 关键词：cooperative multicast cognitive radio OFDM CLUSTER

Decentralized beamforming design and power allocation for limited coordinated multi-cell network: 《The Journal of China Universities of Posts and Telecommunications》2013年第4期52-58,72,共8页CUI Wen-tao NIU Kai LI Nan WU Wei-ling; supported by the National Basic Research Program of China (2009CB320401);the National Natural Science Foundation of China (61171099);and the National Science and Technology Major Project of China (2012ZX03003-007); Multi-cell processing （MCP） is capable of providing significant performance gain, but this improvement is accompanied by dramatic signaling overhead between cooperative base stations. Therefore, balancing the perfor...; 关键词：MCP co-channel interference adaptive power allocation distributed beamforrning limited capacity backhauling

Achievable rate region for the multiple-access channel with multiple cognitive transmitters: 《The Journal of China Universities of Posts and Telecommunications》2013年第3期20-25,24-25,共6页GUO Yu-chen NIU Kai XU Wen-jun HE Zhi-qiang LIN Jia-ru; supported by the National Basic Research Program of China (2009CB320401);the National Natural Science Foundation of China (61101117);Research Funds for Doctoral Program of Higher Education of China (20090005110003);National Key Scientific and Technological Project of China (2010ZX03003-001, 2012ZX03004005-002);Fundamental Research Funds for the Central Universities (BUPT2012RC0112); A scenario where one ＇dumb＇ radio and multiple cognitive radios communicating simultaneously with a common receiver is considered. In this paper, we derive an achievable rate region of the multiple-user cognitive mu...; 关键词：cognitive radios MAC superposition coding DPC

End-to-end utility-based resource allocation for multi-RAT nodes in heterogeneous cognitive wireless networks被引量：1: 《The Journal of China Universities of Posts and Telecommunications》2013年第2期19-24,共6页CHEN Feng XU Wen-jun LIN Jia-ru NIU kai MA Hong-yu; supported by National Basic Research Program of China(2009CB320401);the National Key Scientific and Technological Project of China(2008ZX03003-005,2008ZX03003);the Fundamental Research Funds for the Central Universities BUPT2009RC0111;Research Funds of Doctoral Program of Higher Education of China(20090005110003); This paper studies the problem of effective resource allocation for multi-radio access technologies （Multi-RAT） nodes in heterogeneous cognitive wireless networks （HCWNs）. End-to-end utility, which is defined as t...; 关键词：resource allocation HETEROGENEOUS cognitive wireless networks end-to-end utility Multi-RAT

A bio-inspired approach for cognitive radio networks被引量：5: 《Chinese Science Bulletin》2012年第28期3723-3730,共8页HE ZhiQiang NIU Kai QIU Tao SONG Tao XU WenJun GUO Li LIN JiaRu; supported by the National Basic Research Program of China (2009CB320401);Major Projects of the National Science and Technology of China (2012ZX03004005-002);National Natural Science Foundation of China (61171100 and 61171099); The recent increasing interest in cognitive radio networks has motivated the study and development of new approaches capable of coping with the intrinsic challenges of this kind of network,such as dynamic spectrum ava...; 关键词：无线电网络仿生网络架构综合调查数值模拟蚁群算法可用性复杂性

Resource allocation for multiple description coding multicast in OFDM-based cognitive radio networks: 《The Journal of China Universities of Posts and Telecommunications》2012年第5期51-57,共7页LI Sheng-yu XU Wen-jun GAO Yan NIU Kai LIN Jia-ru; supported by the National Basic Research Program of China(2009CB320401);the National Natural Science Foundation of China(61101117);the Research Funds for Doctoral Program of Higher Education of China(20090005110003);the National Key Scientific and Technological Project of China(2010ZX03003-001, 2012ZX03004005002);the Fundamental Research Funds for the Central Universities(BUPT2012RC0112); The resource allocation scheme for the multiple description coding multicast （MDCM） in orthogonal frequency division multiplexing （OFDM-based） cognitive radio network （CRN） is studied in this paper, aiming at ma...; 关键词：resource allocation MDCM cognitive radio sub-gradient method

能量有效性频谱感知和传输方案的联合设计被引量：5: 《北京邮电大学学报》2012年第5期54-58,共5页邱涛宋涛许文俊田宝玉; 国家重点基础研究计划项目(2009CB320401);国家自然科学基金项目(61101117);中国高校博士点基金项目(20090005110003);国家重大专项项目(2010ZX03003-001;2012ZX03004005002);北京邮电大学青年基金项目(BUPT2012RC0112); 为了实现认知无线网络的能量有效性传输,在混合频谱共享方式下对频谱感知和传输功率分配的联合优化方案进行研究.首先将混合频谱共享方式下的能量有效性传输描述为一个多约束优化问题,并从理论上分析了最优的频谱感知和功率分配方案.结...; 关键词：混合频谱共享能量有效性频谱感知联合优化

单比特协作压缩频谱感知: 《北京邮电大学学报》2012年第5期85-89,共5页徐文波田耘齐彦松; 国家重点基础研究发展计划项目(2009CB320401);国家自然科学基金项目(61171100;61101117);高等学校基本科研业务费资助项目(BUPT 2011RC0101); 提出了一种低开销的协作压缩频谱感知方案,其中每个认知用户利用单比特量化获取压缩采样值的符号信息作为测量值.融合中心收到不同认知用户的符号信息后,利用2种联合感知算法来确定频谱的占用情况.仿真结果表明,新方案具有较好的感知性...; 关键词：认知无线电协作频谱感知压缩感知单比特量化

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