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国家自然科学基金(60832009): 作品数：49被引量：147H指数：5; 导出分析报告; 相关作者：何晨蒋铃鸽纪红李屹胡铮更多>>; 相关机构：上海交通大学北京邮电大学中国移动通信研究院黑龙江科技大学更多>>; 相关期刊：《The Journal of China Universities of Posts and Telecommunications》《高技术通讯》《中兴通讯技术》《上海交通大学学报》更多>>; 相关主题：COGNITIVE_RADIOCOGNITIVE_RADIO_NETWORKSQOS认知无线电SELECTION更多>>; 相关领域：电子电信自动化与计算机技术理学金属学及工艺更多>>

基于压缩感知的联合协作频谱感知算法被引量：1: 《上海交通大学学报》2013年第7期1099-1102,1108,共5页江晓林顾学迈何晨; 国家自然科学基金重点项目(60832009);哈尔滨市科技局青年科技创新人才项目(21013RFQXJ107);黑龙江科技大学青年才俊培养项目; 基于压缩感知的联合协作频谱感知方法实现动态频谱感知,通过融合各次用户(SU)采集的感知数据,寻找超参数,并与判决门限值进行比较,以获得最终的频谱判决结果.基于压缩感知的联合协作频谱感知算法减少了单个SU对压缩感知数据的不确定性,...; 关键词：压缩感知协作频谱感知

Dynamic spectrum allocation for cell range extension in tiered Macro-Pico heterogeneous networks被引量：3: 《The Journal of China Universities of Posts and Telecommunications》2013年第1期66-72,共7页TIAN Peng TIAN Hui GAO Li-qi ZHANG Jun WANG Meng; supported by the National Natural Science Foundation of China (60971125, 60832009);Funds for Creative Research Groups of China (61121001);the National Major Science and Technology Project (2010ZX03002-010-01);DoCoMo Beijing Communications Laboratories Co., Ltd; Heterogeneous networks are employed in the next generation communication systems to enhance the area spectral efficiency （ASE）, where cell range extension （CRE） is a promising technique to improve the cell edge pe...; 关键词：spectrum allocation heterogeneous network elCIC range extension pico cells

Intelligent and efficient development of wireless networks:A review of cognitive radio networks被引量：15: 《Chinese Science Bulletin》2012年第28期3662-3676,共15页ZHANG Ping LIU Yang FENG ZhiYong ZHANG QiXun LI Qian XU Ding; supported by the National Basic Research Program of China (2009CB320400);the National Natural Science Foundation of China(61121001,60832009);the National Science and Technology Major Project of China (2012ZX03003006);the Program for New Century Excellent Talents in University (NCET-01-0259); Facing the challenges on how to improve spectrum efficiency and how to realize heterogeneous network convergence in future wireless networks,a cognitive radio network(CRN) is proposed as one of the solutions.This has ...; 关键词：无线电网络无线网络智能移动通信系统高频谱效率产业化发展 CRN 网络融合

Fractal theory based dynamic mesh grouping scheme for efficient cognitive pilot channel design被引量：3: 《Chinese Science Bulletin》2012年第28期3684-3690,共7页FENG ZhiYong WEI ZhiQing ZHANG QiXun ZHANG Ping; supported by the National Basic Research Program of China (2009CB320400);the National Natural Science Foundation of China(60832009,61121001);the Program for New Century Excellent Talents in University (NCET-01-0259);the National Science and Technology Major Project of China (2012ZX03003006); As one of the key characteristics in cognitive wireless networks(CWNs),network environment awareness techniques have received much attention recently.Instead of traditional spectrum sensing technology that suffers fro...; 关键词：分形理论导频信道动态网分组设计无线网络信息传送方形网格

Reconfiguration decision making in cognitive wireless network被引量：5: 《Chinese Science Bulletin》2012年第28期3713-3722,共10页ZHANG Ping HE Qian FENG ZhiYong ZHANG QiXun; supported by the National Basic Research Program of China (2009CB320400);the National Natural Science Foundation of China(60832009,61121001);the National Science and Technology Major Project of China (2012ZX03003006); Facing the challenges of dynamic adaptation capabilities in the time-varying environment of cognitive wireless networks(CWNs),we introduce reconfiguration capabilities that flexibly and dynamically adapt to changing w...; 关键词：配置系统优化决策无线网络自适应神经模糊推理系统 ANFIS 适应能力时间变化网络环境

认知无线传感器网络中基于网络特性的单天线媒体接入控制协议被引量：2: 《上海交通大学学报》2012年第11期1729-1735,共7页周桂寅何晨蒋铃鸽; 国家自然科学基金资助项目(60832009);富士通研发中心有限公司合作项目; 提出了一种基于网络特性的单天线媒体接入控制(STNC-MAC)协议用于认知无线传感器网络.该协议能使作为次用户的无线传感器节点有效地对主用户使用信道进行机会接入.STNC-MAC充分考虑了主用户和次用户的网络特性,通过定义数据传输单元和...; 关键词：无线传感器网络信道接入控制协议单收发器

A novel spectrum borrowing scheme in integrated 3G/WLAN networks: 《High Technology Letters》2012年第2期155-159,共5页李希金 Ji Hong Zhang Lin; Supported by the National Natural Science Foundation of China （60832009）, the Natural Sciences Foundation of Beijing （4102044）, the Fundamental Research Funds for the Central Universities （BUPT2009RC019）, and the National Major Prefects for Science and Technology Development （2009ZX03003-003-01）.; In the heterogeneous wireless networks of the next generation, a large number of different radio access technologies will be integrated into a common network. This paper considers optimizing the utilization of spectru...; 关键词：heterogeneous wireless network integrated network spectrum borrowing

Service-aware proactive vertical handoff algorithm based on bandwidth requirement prediction: 《Journal of Harbin Institute of Technology(New Series)》2012年第2期36-42,共7页李屹梅敬青纪红; Sponsored by the National Natural Science Foundation of China for Young Scholar(Grant No. 61001115);the Key Project of National Natural Science Foundation of China (Grant No. 60832009);the Beijing Natural Science Foundation of China (Grant No. 4102044 );the Fundamental Research Funds for the Central Universities of China(Grant No. 2012RC0126); Due to the heterogeneity and versatility of emerging services and applications in wireless networks,it has been a great challenge to improve the system performance with both the awareness of service characteristics an...; 关键词：service-aware heterogeneous wireless networks bandwidth requirement prediction PROACTIVE

An Improved Cyclostationary Feature Detection Based on the Selection of Optimal Parameter in Cognitive Radios: 《Journal of Shanghai Jiaotong university(Science)》2012年第1期1-7,共7页沈达何迪李文化林英沛; the National Natural Science Founda-tion of China (Nos. 60802058 and 60832009);the SMC Young Teacher Sponsorship of Shanghai JiaotongUniversity; Spectrum sensing is an important part of cognitive radio systems to find spectrum hole for transmission which enables cognitive radio systems coexist with the authorized radio systems without harmful interference.In t...; 关键词：cyclostationary feature detection cognitive radios optimal parameter

认知网络中基于演化博弈的频谱感知技术被引量：2: 《北京邮电大学学报》2012年第1期28-31,共4页陈亮纪红李屹李曦; 国家自然科学基金青年科学基金项目(61001115);国家自然科学基金重点项目(60832009);北京市自然科学基金项目(4102044); 提出了一种基于演化博弈理论的认知网络协作频谱感知方法.对协作频谱感知中次级用户的传输时间和吞吐量进行分析,建立协作感知的博弈模型并研究其动态演化特性,基于次级用户吞吐量最大化准则,得到相应纳什均衡解,在此基础上提出一种次...; 关键词：认知网络协作频谱感知演化博弈

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