国家自然科学基金(60972079)

作品数：8被引量：10H指数：2
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相关作者：杨黎王晓湘赵堃更多>>
相关机构：北京邮电大学更多>>
相关期刊：《电子与信息学报》《The Journal of China Universities of Posts and Telecommunications》《China Communications》《Science China(Information Sciences)》更多>>
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Unequal clustering algorithm for WSN based on fuzzy logic and improved ACO被引量：4
《The Journal of China Universities of Posts and Telecommunications》2011年第6期89-97,共9页MAO Song ZHAO Cheng-lin 
supported by National Science and Technology Major Project of the Ministry of Science and Technology of China (2009ZX03006-006, 2009ZX03006-009);the National Natural Science Foundation of China (60902046, 60972079)
This paper proposes a novel energy efficient unequal clustering algorithm for large scale wireless sensor network （WSN） which aims to balance the node power consumption and prolong the network lifetime as long as po...
关键词：WSN unequal clustering fuzzy logic adaptive max-min ant colony optimization （ACO） network lifetime 
Precoding with interference suppression sequence scheme for OFDM-based cognitive radio systems被引量：2
《The Journal of China Universities of Posts and Telecommunications》2011年第4期59-64,共6页ZHAO Cheng-lin ZHANG Kun SUN Xue-bin JIANG Ting 
supported by the National Science and Technology Specific Major Projects (2009ZX03006-006, 2009ZX03006-009);the National Natural Science Foundation of China (60432040,60972079)
Orthogonal frequency division multiplexing （OFDM） is considered to be one of the promising schemes for cognitive radios （CR） systems, due to its flexibility in spectrum shaping. However, the traditional way of spe...
关键词：OFDM cognitive radio PRECODING spectrum shaping 
Deepen spectrum notch and reduce PAPR in OFDM systems via combining subcarriers precoding with tone reservation
《The Journal of China Universities of Posts and Telecommunications》2011年第3期80-84,共5页ZHAO Cheng-lin LIU De-qiang SUN Xue-bin JIANG Ting 
supported by the National Science & Technology Specific Major Projects (2009ZX03006-006,2009ZX03006-009);the National Natural Science Foundation of China (60432040, 60972079)
In orthogonal frequency division multiplexing （OFDM） systems, spectrum notch can be generated to mitigate interference to other narrow-band services by turning off corresponding subcarriers. However, the inter-carri...
关键词：OFDM  spectrum notch  PAPP subcarriers precoding  tone reservation 
Performance analysis of 3G systems in presence of UWB interference被引量：1
《The Journal of China Universities of Posts and Telecommunications》2011年第2期120-124,共5页SUN Xue-bin GAO Ming-liang ZHOU Zheng ZHAO Cheng-lin LIU Wei 
supported by the National Natural Science Foundation of China (60902046,60972079);the National major special science and technology project of China (2009ZX03006-006,2009ZX03006-009)
In this paper,the impact of the interference from multiple ultra wideband（UWB） transmitters to a 3rd-generation（3G） terminal is evaluated under UWB emission power limit regulations of federal communications commis...
关键词：UWB TD-SCDMA CDMA2000 WCDMA INTERFERENCE 
A novel adaptive spectrum forming filter:Application in cognitive ultra-wideband
《Science China(Information Sciences)》2010年第12期2584-2599,共16页LI Bin ZHOU Zheng ZOU WeiXia 
supported by the National Natural Science Foundation of China (Grant Nos. 60772021,60972079,60902046);the National High-Tech Research & Development Program of China (Grant No. 2009AA01Z262);the Important National Science & Technology Specific Projects (Grant No. 2009ZX03006-006/-009);the BUPT Excellent Ph.D. Students Foundation (Grant No. CX201013);supported by the Ministry of Knowledge Economy,Korea,under the ITRC support program supervised by the Institute for InformationTechnology Advancement (Grant No. IITA-2009-C1090-0902-0019)
Ultra widcband impulse radio （UWB-IR） has important applications in high data rate communications, high precision positioning and penetrating target detection. Combincd with cognitive radio （CR）, UWB can also grea...
关键词：UWB-IR cognitive radio pulse design RBF network spectrum efficiency spectrum avoidance 
Optimization of Multiband Spectrum Sensing for Cognitive Radio Networks under Sensing Capability Constrains
《China Communications》2010年第5期129-136,共8页Zhao Chenglin Yao Haipeng Zhou Zheng 
This paper addresses the problem of joint optimization of subchannel selection and spectrum sensing time for multiband cognitive radio networks under the sensing capability constrains. In particular, we construct a mu...
关键词：multlbiand sensing cognitive radio detection probability false alarm probability 
Capacity Analysis and Optimization of Cognitive Ultra Wideband Networks
《China Communications》2010年第2期109-116,共8页Zhao Chenglin Xu Fangmin Sun Xuebin Sun Songlin Jiang Ting 
supported by following projects:NSFC (No. 60432040, 60972079);Beijing Natural Science Foundation (No. 4052021);The Research Fund for the Doctoral Program of Higher Education(No.20060013008, 200700130293);UWB-ITRC Inha University, Korea,and iCHIP Project financed by Italian Ministry of Foreign Affairs,And it is partly supported by Project iCHIP financed by Italian Ministry of Foreign Affairs
The integration of cognitive radio and Ultra wideband (UWB) networks has attracted lots of research interests. Cognitive UWB networks not only provide very high data rates but also guarantee the uninterrupted communic...
关键词：cognitive radio UWB Ergodic capacity transmission power allocation 
多天线感知无线电中的协作频谱感知算法被引量：3
《电子与信息学报》2009年第10期2338-2342,共5页杨黎 王晓湘 赵堃 
国家863计划项目(2007AA01Z265;2009AA01Z247);国家自然科学基金(60972079)资助课题
不同于以往单天线感知用户的频谱感知研究,该文提出多天线情形下基于最优功率分配和协作分集的频谱感知算法。根据信道条件利用奇异值分解(SVD)在每根天线上进行功率注水,并考虑多天线情况下两用户网络协作频谱感知授权用户的判决检测过...
关键词：感知无线电 协作频谱感知 多天线 功率分配 
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