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检索条件"机构=State Key Laboratory of Scientific&Engineering Computing"
418 条 记 录,以下是221-230 订阅
排序:
Max-Min Fairness in IRS-Aided Multi-Cell MISO Systems with Joint Transmit and Reflective Beamforming
arXiv
收藏 引用
arXiv 2020年
作者: Xie, Hailiang Xu, Jie Liu, Ya-Feng School of Information Engineering Guangdong University of Technology Guangzhou510006 China Shenzhen518172 China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China
This paper investigates an intelligent reflecting surface (IRS)-aided multi-cell multiple-input single-output (MISO) system with a set of multi-antenna base stations (BSs) each communicating with a single-antenna user... 详细信息
来源: 评论
An efficient quadratic programming relaxation based algorithm for large-scale MIMO detection
arXiv
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arXiv 2020年
作者: Zhao, Ping-Fan Li, Qing-Na Chen, Wei-Kun Liu, Ya-Feng School of Mathematics and Statistics Beijing Institute of Technology Beijing China School of Mathematics and Statistics Beijing Key Laboratory on MCAACI Beijing Institute of Technology Beijing China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing China
Multiple-input multiple-output (MIMO) detection is a fundamental problem in wireless communications and it is strongly NP-hard in general. Massive MIMO has been recognized as a key technology in the fifth generation (... 详细信息
来源: 评论
Parallel exponential time differencing methods for geophysical flow simulations
arXiv
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arXiv 2021年
作者: Lan, Rihui Leng, Wei Wang, Zhu Ju, Lili Gunzburger, Max Department of Mathematics University of South Carolina ColumbiaSC29208 United States State Key Laboratory of Scientific and Engineering Computing Chinese Academy of Sciences Beijing100190 China Department of Scientific Computing Florida State University TallahasseeFL32306 United States
Two ocean models are considered for geophysical flow simulations: the multi-layer shallow water equations and the multi-layer primitive equations. For the former, we investigate the parallel performance of exponential... 详细信息
来源: 评论
An efficient global algorithm for single-group multicast beamforming
arXiv
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arXiv 2017年
作者: Lu, Cheng Liu, Ya-Feng School of Economics and Management North China Electric Power University Beijing102206 China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China
Consider the single-group multicast beamforming problem, where multiple users receive the same data stream simultaneously from a single transmitter. The problem is NPhard and all existing algorithms for the problem ei... 详细信息
来源: 评论
Splitting iteration methods for non-Hermitian positive definite systems of linear equations
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Hokkaido Mathematical Journal 2007年 第4期36卷 801-814页
作者: Bai, Zhong-Zhi State Key Laboratory of Scientific/Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100080 P.O. Box 2719 China
For large sparse system of linear equations with a non-Hermitian positive definite coefficient matrix, we review the recently developed Hermitian/skew-Hermitian splitting (HSS) iteration, normal/skew-Hermitian splitti... 详细信息
来源: 评论
Efficient CI-Based One-Bit Precoding for Multiuser Downlink Massive MIMO Systems with PSK Modulation
arXiv
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arXiv 2021年
作者: Wu, Zheyu Jiang, Bo Liu, Ya-Feng Shao, Mingjie Dai, Yu-Hong The State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China The Ministry of Education Key Laboratory for NSLSCS School of Mathematical Sciences Nanjing Normal University Nanjing210023 China The School of Information Science and Engineering Shandong University Qingdao China
In this paper, we consider the one-bit precoding problem for the multiuser downlink massive multiple-input multiple-output (MIMO) system with phase shift keying (PSK) modulation. We focus on the celebrated constructiv... 详细信息
来源: 评论
A series of non-Noether conservative quantities and Mei symmetries of nonconservative systems
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Chinese Physics B 2007年 第3期16卷 599-604页
作者: 刘鸿基 傅景礼 唐贻发 Institute of Mathematical Physics Shangqiu Teacher's College Shangqiu 476000 China Department of Physics Zhejiang Sci-Tech University Hangzhou 310018 China State Key Laboratory of Scientific and Engineering Computing Chinese Academy of Sciences Beijing 100080 China Shanghai University Shanghai Institute of Applied Mathematics and Mechanics Shanghai 200072 China
In this paper Mei symmetry is introduced for a nonconservative system. The necessary and sufficient condition for a Mei symmetry to be also a Lie symmetry is derived. It is proved that the Mei symmetry leads to a non-... 详细信息
来源: 评论
Max-min fairness user scheduling and power allocation in full-duplex OFDMA systems
arXiv
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arXiv 2018年
作者: Zhang, Xiaozhou Chang, Tsung-Hui Liu, Ya-Feng Shen, Chao Zhu, Gang State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University Beijing China School of Science and Engineering Chinese University of Hong Kong Shenzhen China Shenzhen Research Institute of Big Data Shenzhen China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing China
In a full-duplex (FD) multi-user network, the system performance is not only limited by the self-interference but also by the co-channel interference due to the simultaneous uplink and downlink transmissions. Joint de... 详细信息
来源: 评论
A class of numerical methods with one parameter for backward stochastic differential equations
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AIP Conference Proceedings 2012年 第1期1479卷 1765-1768页
作者: Dongsheng Xu Peng Wang Xiuling Yin State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences 100080 Beijing China College of Mathematics Jilin University 130012 Jilin People's China Department of Mathematics Dezhou University 352023 Shandong People's China
In this paper, we investigate backward stochastic differential equations (BSDEs) driven by Brownian motion. We propose a class of Euler type numerical methods with one parameter based on random walk framework for one-...
来源: 评论
Efficient Estimation of Sensor Biases for the 3-Dimensional Asynchronous Multi-Sensor System
arXiv
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arXiv 2021年
作者: Pu, Wenqiang Liu, Ya-Feng Luo, Zhi-Quan Shenzhen Research Institute of Big Data The Chinese University of Hong Kong Shenzhen518172 China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China
An important preliminary procedure in multi-sensor data fusion is sensor registration, and the key step in this procedure is to estimate sensor biases from their noisy measurements. There are generally two difficultie... 详细信息
来源: 评论