COGNITIVE_RADIO_NETWORKS

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Joint channel selection and power control for video streaming over D2D communications based cognitive radio networks
《The Journal of China Universities of Posts and Telecommunications》2018年第1期1-14,共14页Gao Ya Zhang Hailin Lu Xiaofeng 
supported by the National Natural Science Foundation of China ( 61371127,61671347);the 111 Project of China ( B08038 );the Fundamental Research Funds for the Central Universities ( 7214603701 );the Key Technology R&D Program of Henan Province ( 142102210572)
A joint channel selection and power control scheme is developed for video streaming in device-to-device （D2D） communications based cognitive radio networks. In particular, physical queue and virtual queue models by ...
关键词：channel selection power control cognitive radio networks D2D communications video streaming convex optimization 
Interference-aware resource allocation algorithm in multicarrier-based cognitive radio networks
《The Journal of China Universities of Posts and Telecommunications》2016年第3期37-44,共8页Zhuang Ling Ma Long 
supported by the Science and Technology Research Project of Chongqing Municipal Education Commission (KJ1500435, KJ1500147)
Interference between users is a significant issue for resource allocation in cognitive radio （CR） networks. The interference induced by the secondary users （SUs） to the primary users （PUs） derives from two aspe...
关键词：cognitive radio resource allocation spectrum sensing errors FBMC 
Reputation-based secure spectrum situation fusion in distributed cognitive radio networks被引量：6
《The Journal of China Universities of Posts and Telecommunications》2015年第3期110-117,共8页Li Fangwei Liu Fan Zhu Jiang Nie Yifang 
supported by the Key Project of National Nature Science Foundations of China (61271260)
In distributed cognitive radio （CR） network, the cooperative spectrum situation sensing based on consensus scheme may be disrupted by spectrum sensing data falsification （SSDF） attacks. In this paper, a secure spe...
关键词：cognitive radio spectrum situation fusion SECURE consensus spectrum sensing data falsification （SSDF） attack 
Joint power and spectrum allocation in multi-hop cognitive radio networks被引量：1
《The Journal of China Universities of Posts and Telecommunications》2014年第2期9-14,共6页WU Jing LI Yi LIU Gang JI Hong 
supported by the Hi-Tech Research and Development Program of China(2012AA01A508);the Beijing Higher Education Young Elite Teacher Project(YETP0432);the Specialized Research Fund for the Doctoral Program of Higher Education(20120005120010)
Various cognitive network technologies are developed rapidly. In the article, the power and spectrum allocation in multi-hop cognitive radio network （CRN） with linear topology is investigated. The overall goal is to...
关键词：cognitive radio power allocation outage probability spectrum utility ABC algorithm 
Non-saturated throughput analysis of IEEE 802.11-based cognitive radio networks被引量：1
《The Journal of China Universities of Posts and Telecommunications》2012年第6期6-13,共8页ZHAO Yuan JIN Shun-fu TIAN Nai-shuo 
supported by the National Natural Science Foundation of China(71101124, 11201408);the Natural Science Foundation of Heibei Province(2012203093)
Technology of cognitive radio networks has emerged as an effective method to enhance the utilization of the radio spectrum where the primary users have priority to use the spectrum, and the secondary users try to expl...
关键词：cognitive radio networks IEEE 802.11 non-saturated throughput absorbing Markov chain probability generating function 
Optimal resource allocation scheme for cognitive radio networks with relay selection based on game theory被引量：1
《The Journal of China Universities of Posts and Telecommunications》2012年第6期25-28,62,共5页ZHAI Lan-jie JI Hong LI Xi TANG Yi-wen 
supported by the National Natural Science Funds of China for Young Scholar(61001115);the Beijing Natural Science Foundation of China(4102044);the National Natural Science Foundation of China(61271182)
In this paper, we present a non-transferable utility coalition graph game （NTU-CGG） based resource allocation scheme with relay selection for a downlink orthogonal frequency division multiplexing （OFDMA） based cog...
关键词：cooperative relaying cognitive radio networks relay selection and resource allocation coalition graph game 
Resource allocation for multiple description coding multicast in OFDM-based cognitive radio networks
《The Journal of China Universities of Posts and Telecommunications》2012年第5期51-57,共7页LI Sheng-yu XU Wen-jun GAO Yan NIU Kai LIN Jia-ru 
supported by the National Basic Research Program of China(2009CB320401);the National Natural Science Foundation of China(61101117);the Research Funds for Doctoral Program of Higher Education of China(20090005110003);the National Key Scientific and Technological Project of China(2010ZX03003-001, 2012ZX03004005002);the Fundamental Research Funds for the Central Universities(BUPT2012RC0112)
The resource allocation scheme for the multiple description coding multicast （MDCM） in orthogonal frequency division multiplexing （OFDM-based） cognitive radio network （CRN） is studied in this paper, aiming at ma...
关键词：resource allocation MDCM cognitive radio sub-gradient method 
Optimal fusion rule for cooperative spectrum sensing in cognitive radio networks被引量：2
《The Journal of China Universities of Posts and Telecommunications》2012年第5期58-65,共8页WANG Qian YUE Dian-wu YAN Qiu-na 
supported by the Research Fund for the Doctoral Program of Higher Education(20092125110006);the Open Research Fund of National Mobile Communications Research Laboratory, Southeast University(2011D01);the Guangdong Provincial Natural Science Foundation of China(10451802904006030);the Fundamental Research Funds for the Central Universities of China
In this paper, we analyze performance of cooperative spectrum sensing under counting rules when exponential model is utilized to characterize the burst nature of primary user （PU） link. Our objective is to minimize ...
关键词：cooperative spectrum sensing cognitive radio network average error probability countering rule probability of interference spectrum usage 
Adaptive power control and beam-forming joint optimization in cognitive radio networks
《The Journal of China Universities of Posts and Telecommunications》2012年第4期49-55,共7页CHU Hong-fa YU Dan LI Nan NIU Kai WU Wei-ling 
supported by the National Basic Research Program of China (2009CB320401);the Next Generation Broadband Wireless Mobile Communication Network of Major Special Projects(2010ZX03003-001,2012ZX03004-002);the National Natural Science Foundation of China (61171100)
A novel adaptive power control and beam-forming joint optimization algorithm is proposed in cognitive radio （CR） underlay networks, where cognitive network share spectrum with primary network which spectrum is licen...
关键词：cognitive radio power control BEAM-FORMING joint optimization primary user cognitive user 
Parameter adjustment based on improved genetic algorithm for cognitive radio networks被引量：2
《The Journal of China Universities of Posts and Telecommunications》2012年第3期22-26,共5页ZHAO Jun-hui LI Fei ZHANG Xue-xue 
supported by the National Natural Science Foundation of China (61172073);National Key Special Program(2012ZX03003005);the State Key Laboratory of Rail Traffic Control and Safety (RCS2011ZT003);Beijing Jiaotong University and the Fundamental Research Funds for the Central Universities
Multi-objective parameter adjustment plays an important role in improving the performance of the cognitive radio （CR） system. Current research focus on the genetic algorithm （GA） to achieve parameter optimization ...
关键词：cognitive radio genetic algorithm global optimal solution linear scale transformation adaptive crossover and mutation probability 
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