ENERGY-EFFICIENT

作品数：351被引量：509H指数：10
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Energy-efficient Butler-matrix-based hybrid beamforming for multiuser mm Wave MIMO system被引量：2
《Science China(Information Sciences)》2017年第8期44-53,共10页Jiahui LI Limin XIAO Xibin XU Xin SU Shidong ZHOU 
supported by National Basic Research Program of China (973 Program) (Grant No. 2012CB316002);National Natural Science Foundation of China (Grant No. 61201192);National High Technology Research and Development Program of China (863 Program) (Grant No. 2015AA01A701);Science Fund for Creative Research Groups of NSFC (Grant No. 61321061);International Science and Technology Cooperation Program (Grant No. 2012DFG12010);National S&T Major Project (Grant No. 2015ZX03002002);Key Grant Project of Chinese Ministry of Education (Grant No. 313005);Tsinghua University Initiative Scientific Research (Grant No. 2015Z02-3);Open Research Fund of National Mobile Communications Research Laboratory, Southeast University (Grant No. 2012D02);Tsinghua-Qualcomm Joint Research Program
In order to reduce the cost and power consumption of radio frequency（RF） chains in a millimeterwave（mm Wave） multiple-input multiple-output（MIMO） system, hybrid analog/digital beamforming（HBF）can be utilized t...
关键词：Butler matrix ENERGY-EFFICIENT hybrid beamforming MIMO mmWave MULTIUSER 
Energy-efficient resource allocation for OFDMA relay systems with imperfect CSIT被引量：2
《Science China(Information Sciences)》2015年第8期126-138,共13页WANG XiaoMing ZHENG FuChun ZHU PengCheng MENG Chao YOU XiaoHu 
supported by National Basic Research Program of China(973 Program)(Grant No.2012CB316004);National Natural Science Foundation of China(Grant Nos.61231009,61101086,61221002);National Hightech R&D Program of China(863 Program)(Grant No.2012AA011401)
In this paper, we propose an energy-efficient resource allocation scheme for the downlink of decode- and-forward relay-assisted orthogonal frequency division multiple access systems. The resource allocation is designe...
关键词：energy efficiency relay systems OFDMA DECODE-AND-FORWARD imperfect CSIT 
Energy-efficient Traffic Grooming Under Sliding Scheduled Traffic Model for IP over WDM Optical Networks被引量：1
《China Communications》2014年第7期74-83,共10页ZHANG Xiaoning XU Lingfei 
This work is supported by the National Basic Research Program of China （＂973 Program＂） under Grant 2013CB329103, National Natural Science Foundation of China （NSFC） undergrant No. 61201129 and Program for Changji- ang Scholars and Innovative Research Team in University.
In this paper,we investigate on the problem of energy-efficient traffic grooming under sliding scheduled traffic model for IP over WDM optical networks,so as to minimize the total energy consumption of the core networ...
关键词：energy efficiency scheduled trafficmodel traffic grooming WDM 
Energy-efficient power allocation for non-regenerative OFDM relay links被引量：8
《Science China(Information Sciences)》2013年第2期52-59,共8页YU Huan QIN HaoHao LI YunZhou ZHAO YiFei XU XiBin WANG Jing 
supported by National Basic Research Program of China (973 Program) (Grant No. 2012CB316002);National Natural Science Foundation of China (Grant No. 61021001);National High-tech R&D Program of China(863 Program) (Research on the Key Technology of Green Networks);State Key Laboratory of Wireless Mobile Communications (CATT) and National S&T Major Project (Grant No. 2010ZX03005-001)
We consider a two-hop non-regenerative （amplify-and-forward） relay link with one source, one destination and one relay, in which orthogonal frequency division multiplexing （OFDM） is used. The power allocation （PA...
关键词：energy efficiency power allocation OFDM RELAY cooperative communication 
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