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COGNITIVE_RADIO_NETWORKS: 作品数：193被引量：242H指数：8; 导出分析报告; 相关作者：沈连丰胡静宋铁成王大伟任品毅更多>>; 相关机构：东南大学华中科技大学西安交通大学梧州学院更多>>; 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>>

Energy-Efficient Outage Capacity in Sensing-Based Spectrum Sharing Cognitive Radio Networks: 《Chinese Journal of Electronics》2018年第6期1271-1276,共6页YAN Feiyu ZHAO Jihong QU Hua XU Xiguang; supported by the National Natural Science Foundation of China(No.61372092,No.61531013);the National High Technology Research and Development Program of China(863 Program)(No.2014AA01A701); Energy efficiency(EE) is an important metric for a Cognitive radio network(CRN). We focus on the EE maximization problem in a sensing-based spectrum sharing CRN for delay-sensitive applications. With the aid of one-di...; 关键词：Cognitive radio network （CRN） Energy efficiency （EE） Sensing-based spectrum sharing Power allocation

Multiple Relay Selection Based on Game Theory in Cooperative Cognitive Radio Networks被引量：2: 《Chinese Journal of Electronics》2017年第3期624-633,共10页WU Renyong WANG Wenru LI Renfa; Due to the inefficiency of traditional fixed spectrum allocation policies,the paradox of apparent spectrum scarcity occurs while most of the bands are underutilized.This has prompted proposals for Dynamic spectrum sha...; 关键词：Cognitive radio networks Dynamic spectrum leasing Cooperative transmission Nash equilibrium

Neighbor Detection-Based Spectrum Sensing Algorithm in Distributed Cognitive Radio Networks被引量：4: 《Chinese Journal of Electronics》2017年第2期399-406,共8页PEI Qingqi LI Hongning LIU Xianjun; supported by the National Natural Science Foundation of China(No.U1401251,No.U1536202,No.613731707);China Postdoctoral Science Foundation(No.2015M572528);Fundamental Research Funds for the central Universities(No.JB150114);China Scholarship Council(CSC); Security issues of spectrum sensing have drawn a lot of attentions in Cognitive radio networks(CRNs).Malicious users can mislead the network to make wrong decision about the states of channels by tampering spectrum se...; 关键词：Cognitive radio networks（CRNs） Spectrum sensing data falsification（SSDF） Neighbor detection Connectivity

Optimal Sensing Time Strategy Under Primary Outage Constraint in Cognitive Radio Networks: 《Chinese Journal of Electronics》2016年第5期907-911,共5页LIU Xinyi LI Jiandong JIANG Jian; supported by the Fundamental Research Funds for the Central Universities(No.310824161008);the National Natural Science Foundation of China(No.61231008,No.61101143);the Program for Changjiang Scholars and Innovative Research Team in University(No.IRT0852);the 111 Project(No.B08038); With the underlay approach, Secondary users(SUs) can utilize the same frequency bands simultaneously with Primary users(PUs) in Cognitive radio networks(CRNs). How to choose the appropriate transmission power of SUs u...; 关键词：CRNs Underlay approach Inter-cell interference Sensing-throughput tradeoff

Time-Efficient Power Allocation Scheme for Two-Way Multi-relay Cognitive Radio Networks: 《Chinese Journal of Electronics》2016年第2期357-363,共7页ZHOU Zhikang ZHU Qi; supported by National Natural Science Foundation of China(No.61171094);National Basic Research Program of China(973 program)(No.2013CB329005);863 Program(No.2014AA01A705);Key Project of Jiangsu Provincial Natural Science Foundation(No.BK2011027); Cooperative relaying has been emerging as a key technology in Cognitive radio(CR) networks. A two-way Amplify-and-forward(AF) based multi-relay CR network is considered, where a primary user coexists with a pair of se...; 关键词：Power allocation Relay network Cognitive radio Amplify-and-forward Two-way communication

Traffic-Adaptive Proactive Spectrum Handoff Strategy for Graded Secondary Users in Cognitive Radio Networks被引量：6: 《Chinese Journal of Electronics》2015年第4期844-851,共8页ZHANG Lei SONG Tiecheng WU Ming BAO Xu GUO Jie HU Jing; supported by the National Natural Science Foundation of China(No.61271207,No.61372104);Program Sponsored for Scientific Innovation Research of College Graduate in Jiangsu Province(No.CXZZ13-0100);the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(No.12KJB510002);Natural Science Foundation of Jiangsu Province(No.BK20130530); In order to meet different delay requirements of various communication services in Cognitive radio(CR) networks, Secondary users(SUs) are divided into two classes according to the priority of accessing to spectrum in ...; 关键词：Cognitive radio network CUMULATIVE HANDOFF delay G

Optimal Price-Based Power Control Algorithm with Quality of Service Constraints in Cognitive Radio Networks被引量：4: 《Chinese Journal of Electronics》2015年第2期393-397,共5页WANG Zhengqiang JIANG Lingge HE Chen; supported by the National High Technology Research and Development Program of China(863 Program)(No.2014AA01A701);the National Natural Science Foundation of China(No.61172067,No.61371086); In price-based cognitive radio networks,the Primary user(PU) can allow the Secondary users(SUs) to access by pricing if their interference power is under the Interference power constraint(IPC). The interaction between...; 关键词：Power control COGNITIVE RADIO PRICE Quality of service(QoS)

Optimal Cooperative Sensing Order Using Inactive Secondary Users in Cognitive Radio Networks被引量：3: 《Chinese Journal of Electronics》2014年第2期394-398,共5页LIU Xinyi LI Jiandong JIANG Jian; supported by National Nature Science Foundation of China(No.61231008,No.61101143);National Basic Research Program of China(973 Program)(No.2009CB320404);the Program for Changjiang Scholars and Innovative Research Team in University(No.IRT0852);the 111 Project(No.B08038); A novel cooperative spectrum sensing order which utilizes inactive Secondary users(SUs) efficiently based on maximum throughput has been proposed in Cognitive radio networks(CRNs). In order to predict the states of Pr...; 关键词：Cognitive radio networks Optimal coop- erative sensing order Inactive secondary users~ Prediction~ Maximum throughput.

Dynamic Programming Based Power Control Algorithm with Primary User QoS Guarantee for Cognitive Radio Networks被引量：3: 《Chinese Journal of Electronics》2013年第2期353-358,共6页LIANG Hui ZHAO Xiaohui; This work is supported by the National Nature Science Foundation of China （No.61171079）.; To maximize the average rate in a long- term scope while guarantee primary user＇s QoS demand is a new key issue in cognitive radio systems. A dynamic programming based power control algorithm with the con- sideration...; 关键词：Cognitive radio Power control Dynamic programming Rate loss constraint.

Defense Against Objective Function Attacks in Cognitive Radio Networks被引量：7: 《Chinese Journal of Electronics》2011年第1期138-142,共5页PEI Qingqi LI Hongning MA Jianfeng FAN Kefeng; This work is supported by the National Natural Science Foundation of China （No.60803150, No.60803151）, the National High Technology Research and Development Program of China （No.2008AA01Z411）, the Key Program of NSFC-Guangdong Union Foundation （No.U0835004）, China Postdoctoral Science Foundation （No.20090451） and the Planned Science and Technology Project of Shannxi Province （No.2009K08-38）.; Cognitive radio （CR） is a technology for identifying opportunities using the ＂spectrum holes＂ for communication by cognition. Consequently, we can increase spectrum resource utilization rate with CR. However, it i...; 关键词：Cognitive radio Parameters attacks Objective function attacks Spectrum sensing Multi-objective programming.

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