国家自然科学基金(61171105)

作品数：5被引量：15H指数：2
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Estimation of synchronization impairments in multi-relay DF cooperative networks
《The Journal of China Universities of Posts and Telecommunications》2013年第6期18-23,共6页LIU Meng-meng ZHANG Jian-hua SHEN Chao ZHANG Ping 
supported by the National Natural Science Foundation of China (61171105)
Cooperative communication systems can effectively increase channel capacity and combat fading. Effective cooperation requires synchronization impairments such as multiple timing offsets and multiple carrier frequency ...
关键词：cooperative communication DECODE-AND-FORWARD SYNCHRONIZATION 
Mutual information assessment of LOS MIMO systems with reconfigurable antenna arrays被引量：1
《The Journal of China Universities of Posts and Telecommunications》2013年第5期51-56,70,共7页GAO Jun-jun ZHANG Jian-hua TAO Xiao-feng 
supported by the China Important National Science & Technology Specific Projects (2012ZX03001043-009, 2012ZX03006003-003);the National Natural Science Foundation of China (61171105);the Program for New Century Excellent Talents in University of Ministry of Education of China (NCET-11-0598);Telecommunications Science Technical Institute (Datang Telecommunication Technology and Industry Group)
In presence of line-of-sight （LOS） propagation, multiple-input multiple-output （MIMO） systems can achieve maximum capacity over the whole signal-to-noise ratio （SNR） region by deploying reconfigurable antenna ar...
关键词：multiple-input multiple-output LINE-OF-SIGHT mutual information reconfigurable antenna array Wishart 
Transmit scheme to improve coverage in simulcast system based on wideband channel measurement in indoor at 6 GHz
《The Journal of China Universities of Posts and Telecommunications》2013年第2期48-53,72,共7页XIN Liang ZHANG Jian-hua GAO Jun-jun LI Xiao-fan 
supported by the National Natural Science Foundation of China(61171105);China Information Technology Designing & Consulting Institute Ltd(CITC)-School of Information and Communication Engineering(SICE)in BUPT Graduate Innovation Fund for 2011
Array gain would be well exploited to improve power coverage if some powerful multipath components from different radio links can coherently combine at the receiver （Rx）. Thus, in this paper, an algorithm is propose...
关键词：channel measurement delay difference phase rotation COVERAGE ROBUSTNESS 
Propagation characteristics of wideband high-speed railway channel in viaduct scenario at 2.35 GHz被引量：2
《Journal of Modern Transportation》2012年第4期206-212,共7页Yunling GUO Jianhua ZHANG Cheng TAO Liu LIU Lei TIAN 
supported by the National Science & Technology Pillar Program(No.2012BAF14B01);the National Natural Science Foundation of China(No.61171105);China Mobile Research Institute
In order to obtain accurate characteristics of wireless channels in the viaduct area of China, a channel meas- urement was taken in a railway viaduct scenario of the Zhengzhou-Xi＇an passenger dedicated line with a ba...
关键词：high-speed railway channel measurement VIADUCT path-loss delay spread Ricean K-factor DOPPLER 
Review of wideband MIMO channel measurement and modeling for IMT-Advanced systems被引量：12
《Chinese Science Bulletin》2012年第19期2387-2400,共14页ZHANGJianHua 
supported by the National Natural Science Foundation of China (61171105 and 61121001);National Key Technology Research and Development Program of the Ministry of Science and Technology of China(2012BAF14B01);National Science and Technology Major Project of the Ministry of Science and Technology of China (2009ZX03007-003-01)
In October 2005,the next generation mobile communication system was officially named as the International Mobile Telecommunications-Advanced(IMT-Advanced) by the ITU Radiocommunication Sector(ITU-R).Wideband multiple ...
关键词：移动通信系统 MIMO技术 信道测量 建模 宽带 无线电通信 信道模型 多输入多输出 
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