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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:
Joint base station clustering and beamforming for non-orthogonal multicast and unicast transmission with backhaul constraints
arXiv
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arXiv 2017年
作者: Chen, Erkai Tao, Meixia Liu, Ya-Feng Department of Electronic Engineering Shanghai Jiao Tong University Shanghai200240 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
The demand for providing multicast services in cellular networks is continuously and fastly increasing. In this work, we propose a non-orthogonal transmission framework based on layered-division multiplexing (LDM) to ... 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
Corrigendum to: A convergent adaptive finite element method for elliptic Dirichlet boundary control problems
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IMA Journal of Numerical Analysis 2020年 第1期40卷 800-800页
作者: Gong, Wei Liu, Wenbin Tan, Zhiyu Yan, Ningning National Center for Mathematics and Interdisciplinary Sciences Chinese Academy of Sciences Beijing China The State Key Laboratory of Scientific and Engineering Computing Chinese Academy of Sciences Beijing China Institute of Computational Mathematics Chinese Academy of Sciences Beijing China Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing China Kent Business School University of Kent Kent UK Department of Mathematics Hong Kong Baptist University Kowloon Tong Hong Kong SAR NCMIS Chinese Academy of Sciences Beijing China LSEC Chinese Academy of Sciences Beijing China Institute of Systems Science Chinese Academy of Sciences Beijing China
来源: 评论
Analysis of the Mean Field Free Energy Functional of Electrolyte Solution with Non-zero Boundary Conditions and the Generalized PB/PNP Equations with Inhomogeneous Dielectric Permittivity
arXiv
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arXiv 2017年
作者: Liu, Xuejiao Qiao, Yu Lu, Benzhuo State Key Laboratory of Scientific and Engineering Computing National Center for Mathematics and Interdisciplinary Sciences Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China
The energy functional, the governing partial differential equation(s) (PDE), and the boundary conditions need to be consistent with each other in a modeling system. In electrolyte solution study, people usually use a ... 详细信息
来源: 评论
An hp-adaptive strategy for elliptic problems
arXiv
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arXiv 2017年
作者: Liu, Hui Cui, Tao Leng, Wei Zhang, Linbo State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences P.O. Box 2719 Beijing100190 China
In this paper a new hp-adaptive strategy for elliptic problems based on refinement history is proposed, which chooses h-, p- or hp-refinement on individual elements according to a posteriori error estimate, as well as... 详细信息
来源: 评论
Adaptive regularized newton method for riemannian optimization
arXiv
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arXiv 2017年
作者: Hu, Jiang Milzarek, Andre Wen, Zaiwen Yuan, Yaxiang Beijing International Center for Mathematical Research Peking University China State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences China
Optimization on Riemannian manifolds widely arises in eigenvalue computation, density functional theory, Bose-Einstein condensates, low rank nearest correlation, image registration, and signal processing, etc. We prop... 详细信息
来源: 评论
Incorporating Born solvation energy into the three-dimensional Poisson-Nernst-Planck model to study ion selectivity in KcsA K+ channels
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Physical Review E 2017年 第6期96卷 062416-062416页
作者: Xuejiao Liu Benzhuo Lu State Key Laboratory of Scientific and Engineering Computing National Center for Mathematics and Interdisciplinary Sciences Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100190 China and School of Mathematical Sciences University of Chinese Academy of Sciences Beijing 100049 China
Potassium channels are much more permeable to potassium than sodium ions, although potassium ions are larger and both carry the same positive charge. This puzzle cannot be solved based on the traditional Poisson-Nerns... 详细信息
来源: 评论
Anisotropic adaptive finite element method for magnetohydrodynamic flow at high Hartmann numbers
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Applied Mathematics and Mechanics(English Edition) 2016年 第11期37卷 1479-1500页
作者: Jikun ZHAO Shipeng MAO Weiying ZHENG School of Mathematics and Statistics Zhengzhou University State Key Laboratory of Scientific and Engineering Computing (LSEC) and Institute of Computational Mathematics Academy of Mathematics and Systems Science (AMSS) Chinese Academy of Sciences School of Mathematical Sciences University of Chinese Academy of Sciences
This paper presents an anisotropic adaptive finite element method (FEM) to solve the governing equations of steady magnetohydrodynamic (MHD) duct flow. A resid- ual error estimator is presented for the standard FE... 详细信息
来源: 评论
Joint power and admission control based on channel distribution information: A novel two-timescale approach
arXiv
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arXiv 2017年
作者: Chen, Qitian Kang, Dong He, Yichu Chang, Tsung-Hui Liu, Ya-Feng School of Mathematical Sciences Peking University Beijing100871 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 School of Science and Engineering Chinese University of Hong Kong Shenzhen Research Institute of Big Data Shenzhen518172 China
In this letter, we consider the joint power and admission control (JPAC) problem by assuming that only the channel distribution information (CDI) is available. Under this assumption, we formulate a new chance (probabi... 详细信息
来源: 评论
Flexible multiple base station association and activation for downlink heterogeneous networks
arXiv
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arXiv 2017年
作者: Shen, Kaiming Liu, Ya-Feng Ding, David Yiwei Yu, Wei Edward S. Rogers Sr. Department of Electrical and Computer Engineering University of Toronto TorontoONM5S 3G4 Canada 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 letter shows that the flexible association of possibly multiple base stations (BSs) to each user over multiple frequency bands, along with the joint optimization of BS transmit power that encourages the turning-o... 详细信息
来源: 评论