COGNITIVE_RADIO

作品数：337被引量：453H指数：8
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Physical-layer secrecy outage of spectrum sharing CR systems over fading channels
《Science China(Information Sciences)》2016年第10期108-116,共9页Hequn LIU Hui ZHAO Hong JIANG Chaoqing TANG Gaofeng PAN Tingting LI Yunfei CHEN 
supported in part by National Natural Science Foundation of China (Grant Nos. 61401372, 61531016);Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20130182120017);Natural Science Foundation Project of CQ CSTC (Grant No. cstc2013jcyjA 40040);Fundamental Research Funds for the Central Universities (Grant No. XDJK2015B023);National Undergraduate Training Programs for Innovation and Entrepreneurship (Grant No. 201410635005)
In this paper, we investigate the physical-layer secrecy outage performance of underlay spectrum sharing systems over Rayleigh and log-normal fading channels in the presence of one eavesdropper. In partic- ular, the s...
关键词：spectrum sharing cognitive radio secrecy outage probability Rayleigh fading channels log-normalfading channels 
Effective capacity region and power allocation for two-way spectrum sharing cognitive radio networks被引量：1
《Science China(Information Sciences)》2015年第6期122-131,共10页XU Ding LI Qun 
supported by the National Natural Science Foundation of China(Grant No.61401218);National Basic Research Program of China(973)(Grant No.2013CB329005);National High-Tech R&D Program(Grant No.2014AA01A705);Nanjing University of Posts and Telecommunications Program(Grant Nos.NY213071and NY213086)
In this paper, we consider a spectrum sharing cognitive radio （CR） network where a pair of two- way secondary users （SUs） is allowed to coexist with a primary user （PU） as long as the interference power received...
关键词：cognitive radio effective capacity delay quality-of-service power allocation two-way 
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 
Multi-channel power allocation based on market competitive equilibrium in cognitive radio networks被引量：1
《Science China(Information Sciences)》2014年第2期64-75,共12页LU YanHui MEI YaNan WANG Wei MU XiaoMin YANG ShouYi 
supported partly by Program for New Century Excellent Talents in University(Grant No.NCET-12-0699);National Natural Science Foundation of China(Grant No.61271421);Program for Young Teachers in Colleges and Universities in Henan Province(Grant No.2011GGJS-002);Henan Province Major Science and Technology Project(Grant No.112102210507)
Cognitive radios such as intelligent phones and Bluetooth devices have been considered essential goods in next-generation communication systems. Such devices will have to share the same frequency band owing to the lim...
关键词：cognitive radio rate allocation power allocation market competitive equilibrium Nash equilib-rium 
On the designing principles and optimization approaches of bio-inspired self-organized network: a survey被引量：9
《Science China(Information Sciences)》2013年第7期1-28,共28页ZHANG ZhongShan HUANGFU Wei LONG KePing ZHANG Xu LIU XiaoYuan ZHONG Bin 
supported by National Basic Research Program of China (973 Program) (Grant No. 2012CB3159-05);National Natural Science Foundation of China (Grant No. 61172050);Foundation of Beijing Engineering and Technology Center for Convergence Networks and Ubiquitous Services, National Key Projects (Grants Nos. 2012ZX03001029-005, 2012ZX03001032-003);Beijing Science and Technology Program (Grant No. Z1111000540- 11078);Program for New Century Excellent Talents in University (NECT-12-0774)
A plethora of studies on self-organization has been carried out in broad areas including chemistry, biology, astronomy, medical science, telecommunications, etc., in both academia and industry. Following the studies o...
关键词：self-organized networking HETEROGENEOUS cognitive radio BIO-INSPIRED swarm intelligence decen-tralized load balancing COOPERATION 
Effective capacity of delay quality-of-service constrained spectrum sharing cognitive radio with outdated channel feedback被引量：5
《Science China(Information Sciences)》2013年第6期111-123,共13页XU Ding FENG ZhiYong ZHANG Ping 
supported by National Basic Research Program of China (973 Program) (Grant No. 2009CB3204-00);National Natural Science Foundation of China (Grant No. 61121001);National Science and Technology Major Project (Grant Nos. 2010ZX03003-001-01,2012ZX03006003-003)
In this paper,we consider a spectrum sharing cognitive radio network coexisting with a primary network.Particularly,the channel state information（CSI） between the secondary transmitter and the primary receiver is as...
关键词：cognitive radio effective capacity outdated channel feedback delay QoS constraint interferencepower constraint 
Power allocation for OFDM-based cognitive heterogeneous networks被引量：5
《Science China(Information Sciences)》2013年第4期99-108,共10页FEI ZeSong XING ChengWen LI Na HAN YanTao DANEV Danyo KUANG JingMing 
supported in part by Sino-Swedish IMT-Advanced and Beyond Cooperative Program (Grant No.2008DFA11780);Huawei Technologies Co.,Ltd,China-EU International Scientific and Technological Cooperation Program (0902);National Natural Science Foundation of China (Grant No. 61101130)
In this paper, the capacity maximization and the spectrum utilization efficiency improvement are investigated for the Pico cells in broadband heterogeneous networks. In frequency-reuse model, the users attached to Mac...
关键词：heterogeneous network orthogonal frequency division multiple access cognitive radio intercarrier interference resource allocation 
Quorum-based channel hopping scheme for cognitive radio networks被引量：3
《Science China(Information Sciences)》2013年第4期215-220,共6页LI XiaoYan ZHANG HaiLin HU Fei SHI Chao 
supported by National Natural Science Foundation of China (Grant No. 61072069);Important National Science & Technology Specific Projects (Grant Nos. 2011ZX03003-001-04,2012ZX03003012-003);Fundamental Research Funds for the Central Universities (Grant No. 72001859);State Key Laboratory of Integrated Services Network (Grant No. ISN090105);Fundamental Research Funds for the Central Universities (Grant No. 72125739)
In cognitive radio networks, secondary users （SUs） tune themselves to the available spectrum to meet each other and establish communication links to transmit packets. This is the rendezvous process. Channel hopping ...
关键词：cognitive radio channel hopping scheme RENDEZVOUS quorum system MAC 
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