COGNITIVE_RADIO_NETWORKS

作品数：193被引量：242H指数：8
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Impacts of feedback delay and estimation error on secrecy performance of MISO single eavesdropper cognitive radio networks被引量：1
《High Technology Letters》2018年第3期257-265,共9页林志 Wang Lei Cai Yueming Yang Weiwei Yang Wendong 
Supported by the National Natural Science Foundation of China(No.61371122,61471393);the China Postdoctoral Science Foundation under a Special Financial Grant(No.2013T60912)
Due to the broadcast nature of wireless transmission medium,security threats may hinder propagation of cognitive radio systems for commercial and military data application. This paper sets a channel error analytical f...
关键词：cognitive radio physical layer security channel uncertainty outage probability throughput. 
Joint channel allocation and power control with fairness in multi-hop cognitive radio networks
《High Technology Letters》2015年第3期315-320,共6页裴雪兵 Tang Zhenhua 
Supported by the National Natural Science Foundation of China(No.61461006);the Guangxi Province Natural Science Foundation(No.2013GXNSFBA19271)
This paper investigates channel allocation and cognitive radio networks. The color-sensitive graph power control schemes in OFDM-based multi-hop coloring （CSGC） model is viewed as an efficient solution to the spectr...
关键词：channel allocation power control multi-hop cognitive radio networks 
Dynamic overlapped spectrum allocation based on potential game in cognitive radio networks被引量：1
《High Technology Letters》2014年第4期401-408,共8页贾亚男 Yue Dianwu 
Supported by National Natural Science Foundation of China(No.61371091,61301288);Specialized Research Fund for the Doctoral Programof Higher Education(No.20132125110006);the Fundamental Research Funds for the Central Universities(No.3132013334)
In order to make full use of wireless spectrum resources,the behavior of cognitive radio(CR)for dynamic spectrum allocation is analyzed based on the game theoretic framework.The traditional spectrum allocation schemes...
关键词：cognitive radio （CR） game theory spectrum allocation nash equilibrium 
Traffic sensitive spectrum access scheme for cognitive radio networks
《High Technology Letters》2014年第1期22-28,共7页陆佃杰 Huang Xiaoxia Zhang Guijuan Fan Jianping 
Supported by the National High Technology Research and Development Programme of China(No.2011AA010503);the National Natural Science Foundation of China(No.60903192)
A traffic sensitive spectrum access scheme is proposed to satisfy the traffic load requirement of secondary users （SUs）. In the proposed design, SU only accesses available channels which can meet the traffic demand....
关键词：opportunistic spectrum access expected transmission time cognitive radio net-work 
Spectrum allocation game of directional transmission in multi-hop cognitive radio networks
《High Technology Letters》2014年第1期70-76,共7页韩韧 Huang Xiaoxia Lu Jing Fan Jianping 
Supported by the National High Technology Research and Development Programme of China(No.2011AA010503);the National Natural Science Foundations of China(No.60903192)
The spectrum allocation for links in multi-hop cognitive radio networks is addressed.The links rent the vacant licensed bands offered by primary users for implementing directional transmission.To minimize the individu...
关键词：cognitive radio game theory directional transmission 
Cross-layer routing protocol design for high mobility multi-hop cognitive radio networks
《High Technology Letters》2012年第3期267-274,共8页Huang Xinlin Wang Gang Chen Jian 
In multi-hop cognitive radio networks （ CRNs）, the heterogeneous environment increases the complexity of common control channel （CCC） formation and routing protocol design. In this paper, we consider the on-demand...
关键词：routing protocol common control channel （CCC） spectrum- tree high mobility path stability 
Throughput analysis for relay-aided interference channel in cognitive radio networks
《High Technology Letters》2011年第4期344-349,共6页Lou Jia Luo Tao Yue Guangxin 
Supported by the National Natural Science Foundation of China （No. 60872049; 60871042; 60971082; 60972073）, the National High Technology Research and Development Programme of China （No.2007AA10Z235）and the National Key Basic Research Program of China （No.2009CB320407）.
This paper considers a two-user Gaussian interference channel aided by a single relay. Two source-destination pairs and the relay share a single common chaunel, and the relay assists both sources in communicating the ...
关键词：interference channel RELAY achievable sum rate cognitive radio（CR） THROUGHPUT 
Spectrum sensing sequence prediction in cognitive radio networks
《High Technology Letters》2011年第4期371-376,共6页An Chunyan Ji Hong Si Pengbo Maoxu 
Supported by the National Natural Science Foundation of China（No.60832009）, the Natural Science Foundation of Beijing （No.4102044） and the National Nature Science Foundation for Young Scholars of China （No.61001115）
Spectrum sensing is one of the key issues in cognitive radio networks. Most of previous work concenates on sensing the spectrum in a single spectrum band. In this paper, we propose a spectrum sensing sequence predicti...
关键词：spectrum sensing sequence prediction cognitive radio network Ziv-Lempel algorithm 
Subcarrier and power allocation in OFDM-based cognitive radio networks
《High Technology Letters》2011年第1期69-74,共6页毛旭 Ji Hong Li Ming Fu Jiadi 
Supported by the National High Technology Research and Development Programme of China（ No. 2007AA01Z221, No. 2009AA01Z246） , and the National Natural Science Foundation of China（ No. 60672124, 60832009）.
We formulate the subcarrier and power allocation problem in cognitive radio networks employing orthogonal frequency division multiplexing （OFDM） as a non-linear optimization problem with the objective of maximizing ...
关键词：cognitive radio （CR） orthogonal frequency division multiplexing （OFDM） iterative water-filling LOW-COMPLEXITY capacity maximization FAIRNESS 
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