COGNITIVE_RADIO_NETWORKS

作品数：193被引量：241H指数：8
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Novel spectrum sensing and access in cognitive radio networks被引量：4
《Science China(Information Sciences)》2018年第8期224-226,共3页Shibing ZHANG Yingdong HU Li ZHANG Zhihua BAO 
supported by National Natural Science Foundation of China(Grant Nos.61771263,61371112);Nantong UniversityNantong Joint Research Center for Intelligent Information Technology(Grant No.KFKT2016B02)
Dear editor,The throughput,delay and collision probability between the primary users(PUs)and secondary users(SUs)have been considered as the main performance measures in cognitive radio(CR)networks[1].The longer the s...
关键词：NET Novel spectrum sensing and access in cognitive radio networks CR 
Secrecy outage analysis for underlay cognitive radio networks over correlated channels被引量：1
《Science China(Information Sciences)》2017年第2期103-111,共9页Jiliang ZHANG Hui ZHAO Gaofeng PAN 
supported by National Natural Science Foundation of China (Grants Nos. 61401372, 61531016);Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20130182120017);Natural Science Foundation of CQ CSTC (Grant No. cstc2013jcyjA 40040);Fundamental Research Funds for the Central Universities (Grant Nos. XDJK2015B023, XDJK2016A011)
This paper investigates the secrecy outage performance of underlay cognitive radio networks, in which a source in a secondary system transmits its confidential information to a legitimate destination in the presence o...
关键词：cognitive radio networks correlated fading channels probability of non-zero secrecy capacity secrecy outage probability 
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 
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 
Mitigating spectrum sensing data falsification attacks in hard-decision combining cooperative spectrum sensing被引量：4
《Science China(Information Sciences)》2014年第4期188-196,共9页ZENG Kun PENG QiHang TANG YouXi 
supported in part by Fundamental Research Funds for the Central Universities(Grant No.ZYGX2010J003);National Natural Science Foundation of China(Grant Nos.60832007,60901018,60902027);National Science and Technology Major Project(Grant No.2011ZX03001-006)
In this paper we propose a simple yet robust secure cooperative spectrum sensing scheme with hard decision combining for Opportunistic Spectrum Access （OSA） networks. Based on the historical sensing records and the ...
关键词：cognitive radio networks opportunistic spectrum access spectrum sensing data falsification at-tacks network security 
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 
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 
Optimal MAC based cooperative spectrum sensing in cognitive radio networks被引量：1
《Science China(Information Sciences)》2012年第6期1388-1396,共9页CHEN Zhong ZHANG XianDa YANG LanJuan 
supported by National Natural Science Foundation of China(Grant No.60975041)
This paper considers a cognitive radio （CR） system in non-ideal fading wireless channels and pro-poses cooperative spectrum sensing schemes based on coherent multiple access channels （MAC）,serving as an alternativ...
关键词：cognitive radio （CR） spectrum sensing multiple access channel （MAC） deflection coefficient optimization 
Robust cooperative spectrum sensing schemes for fading channels in cognitive radio networks被引量：9
《Science China(Information Sciences)》2011年第2期348-359,共12页YUE WenJing ZHENG BaoYu MENG QingMin CUI JingWui XIE PeiZhong 
supported by the National Natural Science Foundation of China (Grant Nos. 60972039, 60905040,61071092, 61071093, 60972041);the National High-Tech Research & Development Program of China (Grant No.2009AA01Z241);the National Postdoctoral Research Program (Grant No. 20090451239);the Natural Science Fund for Higher Education of Jiangsu Province (Grant Nos. 08KJB52007, 09KJB510012);the Key National Science & Technology of NUPT (Grant No. NY210006);"Broad band Wireless Communication and Sensor Network Technology" Key Lab of Ministry of Education of NUPT
In cognitive radio systems, cooperative spectrum sensing can detect the presence of the primary user accurately. In practice, however, since the sensing observations are forwarded to a data collector through fading ch...
关键词：cognitive radio （CR） spectrum sensing energy detection diversity technique space-time coding 
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