COGNITIVE_RADIO

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Key techniques for 5G wireless communications:network architecture, physical layer,and MAC layer perspectives被引量：52
《Science China(Information Sciences)》2015年第4期1-20,共20页MA Zheng ZHANG ZhengQuan DING ZhiGuo FAN PingZhi LI HengChao 
supported by National Basic Research Program of China (973 Program) (Grant No. 2012CB316100);National High-tech R&D Program of China (863 Program) (Grant No. 2014AA01A707);111 Project (Grant No. 111-2-14);Open Research Foundation of National Mobile Communications Laboratory, Southeast University (Grant No. 2011D16);Fundamental Research Funds for the Central Universities (Grant Nos. SWJTU11CX147, SWJTU11CX040)
The fourth generation （4G） mobile communication systems are offering service worldwide steadily. Although 4G systems could be loaded with much more services and data than previous systems, there is still a dramatic ...
关键词：5G software defined network non-orthogonal multiple access massive MIMO full duplex device-to-device communications millimeter wave communications cognitive radio 
Joint optimal sensing time and power allocation for multi-channel cognitive radio networks considering sensing-channel selection被引量：2
《Science China(Information Sciences)》2014年第4期130-137,共8页YU HuoGen TANG WanBin LI ShaoQian 
supported in part by High-tech R&D Program of China (863 Program) (Grant Nos. 2009AA011801, 2009AA012002);National Fundamental Research Program of China (Grant No. A1420080150);National Basic Research Program of China (973 Program) (Grant No. 2009CB320405);Nation Grand Special Science and Technology Project of China (Grant Nos. 2008ZX03005-001, 2009ZX03007-004, 2009ZX03005-002, 2009ZX03005004, 2010ZX03006-002);Foundation Project of National Key Laboratory of Science and Technology on Communications and Special Project on Broadband Wireless Access sponsored by Huawei Co., Ltd.
In this paper, we consider a multi-channel cognitive radio network （CRN） where each secondary user （SU） can only choose to sense a subset of channels. We formulate a joint optimization problem of sensing- channel ...
关键词：cognitive radio joint optimization sensing-channel selection sensing time power allocation 
Cooperative spectrum sensing based on stochastic resonance in cognitive radio networks被引量：8
《Science China(Information Sciences)》2014年第2期54-63,共10页LIN YingPei HE Chen JIANG LingGe HE Di 
supported by National Natural Science Foundation of China(Grant Nos.60832009,61172067);Important National Science&Technology Specific Projects(Grant No.2013ZX03001028-005);National High Technology R&D Program of China(863 Program)(Grant No.SS2013AA010702)
A new censoring cooperative spectrum sensing scheme based on stochastic resonance （SR） technique in cognitive radio （CR） network is proposed in this paper. The observations of the cooperative secondary users （SUs...
关键词：cognitive radio cooperative spectrum sensing stochastic resonance information fusion 
Narrowband interference suppression in TR-UWB system based on cognitive radio theory被引量：2
《Journal of Southeast University(English Edition)》2012年第3期272-275,共4页赵华 殷奎喜 邵建华 
The National Research and Development Program of China(863 Program)(No.2007AA12Z238);the Natural Science Foundation of Jiangsu Higher Education Institutions of China(No. 12KJD510008)
A cognitive radio transmitted reference ultra-wideband（CR-TR-UWB） system is proposed to improve the performance of TR-UWB systems with narrowband interference（NBI） from primary users（PU）.The transmitter of the C...
关键词：transmitted reference ultra-wideband（TR-UWB） cognitive radio narrowband interference prolate spheroidal wave function（PSWF） coexistence communication 
A novel mechanism based on Nash bargaining for primary system game in cognitive radios
《Journal of Harbin Institute of Technology(New Series)》2011年第6期58-62,共5页刘玉涛 Anna Auguste Anghuwo 谭学治 刘帅 
Sponsored by the National High Technology Research and Development Program of China(863Program)(Grant No.2008AA12Z305)
According to the utility function and spectrum demand of the cognitive users,a novel mechanism based on Nash bargaining for primary system game was proposed under the wireless environment of Rayleigh fading.On the bas...
关键词：cognitive radio spectrum sharing Nash bargaining proportional fair UTILITY 
Reconfigurable anti-interference RF transceiver for cognitive radio application
《Journal of Southeast University(English Edition)》2011年第2期123-127,共5页游长江 柳靖 张晓东 朱晓维 
The National Natural Science Foundation of China(No.60621002);the National High Technology Research and Development Program of China(863 Program)(No.2009AA011801)
An RF transceiver composed of a zero-IF receiver and a direct up-conversion transmitter for cognitive radio applications is presented. The adjustable channel filter array in the receiver is used to suppress adjacent c...
关键词：ZERO-IF direct up-conversion ANTI-INTERFERENCE cognitive radio white space spectrum 
SPECTRUM HANDOFF IN COGNITIVE RADIO WITH FUZZY LOGIC CONTROL被引量：2
《Journal of Electronics(China)》2010年第5期708-714,共7页Tang Wanbin Peng Dong 
Supported by the High-Tech Research and Development Program (863 Program) of China (No. 2009AA011801 and 2009AA012002);the National Fundamental Research Program of China (No. A1420080150);the National Basic Research Program (973 Program) of China (No. 2009CB320405);National Grand Special Science and Technology Project of China (No. 2008ZX03005-001, No. 2009ZX03007-004, No. 2009ZX03005-002, No. 2009ZX 03005-004, No. 2010ZX03006-002-02);the Foundation Project of National Key Laboratory of Science and Technology on Communications (No. 9140C0202061004);Special Project on Broadband Wireless Access sponsored by Huawei co., ltd
The secondary usage of spectrum has been investigated in Cognitive Radio(CR) network to resolving the spectrum scarcity issue in wireless communication.When Primary Users(PU) who own the spectrum appear,spectrum hando...
关键词：Cognitive Radio (CR) Spectrum handoff Fuzzy logic control 
INTERFERENCE ESTIMATION AND ITS APPLICATIONS IN COGNITIVE RADIO NETWORKS
《Journal of Electronics(China)》2010年第5期630-638,共9页Chen Ronghao Chen Wei Wang Jun Li Shaoqian 
Supported by the High-tech Research and Development Program (863 Program) of China (No. 2009AA011801);the National Basic Research Program (973 Program) of China (No. 2009CB320405);the Foundation Project of National Key Laboratory of Science and Technology on Communications (No. 9140C0202061004);the Fundamental Research Funds for the Central Universities (No. ZYGX2009X002)
Cognitive Radio(CR) has been proposed as a system-level means to improve the spectrum utilization efficiency.The most significant premise for CR networks is to avoid harmful interference to the licensed users.Therefor...
关键词：Cognitive Radio (CR) Spectrum sensing Interference estimation 
A NOVEL COOPERATIVE SPECTRUM SENSING METHOD BASED ON COOPERATIVE GAME THEORY被引量：3
《Journal of Electronics(China)》2010年第2期183-189,共7页Cao Kaitian Yang Zhen 
Supported by the National High Technology Research and Development Program of China (863 Program,No.2009AA01-Z241);the National Natural Science Foundation of China (No.60772062)
A novel cooperative sensing method is proposed in this paper. The proposed scheme adopts sensing creditability degree to characterize the impact of the distance and the channel parameters on the sensing result,and con...
关键词：Cognitive Radio （CR） Cooperative Sensing creditability degree Hungarian method spectrum sensing Cooperative Game Theory （CGT） 
A Novel System Model based on Cost-prediction for Spectrum Leasing in Cognitive Radio被引量：1
《China Communications》2010年第2期32-41,共10页Wang Weidong Wang Ben Zhang Yinghai Zhao Xinlei Wang Shoufeng 
supported by the National High Technology Research and Development Program of China ('863' Program, No.2009AA01Z242);National Natural Science Foundation of China (60972080)
In current researches on spectrum leasing, Common model and Property-right model are two main approaches to dynamic spectrum sharing. However, Common model does not consider the obligation of Primary System (PS) and i...
关键词：cognitive radio spectrum leasing cost prediction dynamic spectrum sharing CPSL 
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