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COGNITIVE_RADIO: 作品数：337被引量：453H指数：8; 导出分析报告; 相关作者：胡静宋铁成沈连丰瓦希德邵建华更多>>; 相关机构：东南大学北京邮电大学南京师范大学北京工业大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国家教育部博士点基金更多>>

On the achievable rate for double intelligent reflecting surface enhanced cognitive radio network: 《High Technology Letters》2024年第4期415-423,共9页MA Junchi GAO Jing YANG Maolin SUN Haonan CHEN Bing; Supperted by the National Natural Science Foundation of China(No.61971310,62371341).; Intelligent reflecting surface(IRS)can efficiently improve the performance of wireless commu-nication networks by intelligently reconfiguring the wireless propagation environment.Recently,IRS has been integrated with ...; 关键词：intelligent reflective surface(IRS) cognitive radio(CR) distributed IRS beamforming alternating optimization(AO)

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.

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

Uplink user allocation scheme in cognitive coexistent cellular network: 《High Technology Letters》2014年第4期376-382,共7页刘婷婷 Wang Mao Shu Feng Wang Jianxin Pan Ziyu; Supported by the National Natural Science Foundation of China(No.61271230);the Starting Fund for Science Research of NJIT(No.YKJ201205);the Open Research Fund of National Mobile Communications Research Laboratory(No.2013D02); In order to address spectrum resource scarcity in traditional cellular networks,television(TV)white space is considered as a potential solution to offload a portion of network traffic and enlarge network capacity.This...; 关键词：cognitive radio TV white space spectrum efficiency system throughput fractional frequency reuse

SINR-balancing based cooperative spectrum sharing scheme for MIMO cognitive radio systems: 《High Technology Letters》2014年第2期195-200,共6页赵庆平 Li Suwen Chen Debao; Supported by the National Natural Science Foundation of China(No.41275027);Anhui Provincial Natural Science Foundation Research Project in Colleges and Universities(No.KJ2013Z228);Anhui Natural Science Foundation of China(No.1308085MF82); In order to improve the system capacity of the primary user （PU） and secondary user （SU） of multiple-input-multiple-output （MIMO） cognitive radio （CR） system, a signal to interference plus noise ratio balanci...; 关键词：cognitive radio（CR） multiple-input-muhiple-output（MIMO） BEAMFORMING cooperative relay balance

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

A relay selection scheme based on geometric optimum in cooperative cognitive systems over mixed channels: 《High Technology Letters》2013年第3期321-326,共6页李静叶 Luo Tao Shao Yubin Yue Guangxin; Supported by the National Natural Science Foundation of China(No.61271184);New Century Excellent Talents in University(NCET-110594);Fundamental Research Funds for the Central Universities(No.2013RC1001); This paper proposes a relay selection scheme based on geometric optimum principle to maximize the cognitive link＇ s connectivity with limited interference to primary user in cooperative cognitive systems. A dual-hop ...; 关键词：cognitive radio （CR） RELAY outage probability average bit error rate （ABER） mixed channels

Actual implementation of spectrum-sharing systems in rayleigh fading channels~: 《High Technology Letters》2012年第2期145-150,共6页裴二荣 Wang Sheng Zhang Zhizhong; Supported by the National Basic Research Program of China （2007CB307104）, the National Natural Science Foundation of China （60973160）, and the Intematiortal Scientific and Technological Cooperation Program （No. $2010GR0902）.; In actual implementation of spectrum sharing systems, due to the selfishness of primary users, primary users often refuse the access of secondary users to their licensed spectrum bands even if the access of secondary ...; 关键词：cognitive radio spectrum sharing power allocation seller＇s market trading mechanism CONVEXOPTIMIZATION

Fundamental capacity for peak interference power constrained cognitive radio relay networks: 《High Technology Letters》2012年第2期173-178,共6页谢先斌 Guo Wei Li Xinshan; A Cognitive radio communication link is possible to be interrupted easily when its physical channel suffers severe fading. Relay technology is an effective way to mitigate the fading effect of wireless channels in a n...; 关键词：cognitive radio relay networks （CRRN） outage probability outage capacity ergodic capacity peak interference power constrained

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