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ENABLING TECHNOLOGIES FOR BEYOND TD-LTE-ADVANCED AND 5G WIRELESS COMMUNICATIONS

China Communications 2016年第6期13卷 I0001-I0002页

作者： Shanzhi Chen Ping Zhang Rahim Tafazoili Datang Telecom Technology&Industry Group BUPT academic board State Key Lab of Networking and Switching Technology ics(formerly known as ccsr) 5g innovation centre at the university of surrey UK

TD-LTE-Advanced was accepted as one of the 4G global standards by ITU in *** 2013,Chinese government issued 4G TD-LTE licenses to all 3 Chinese ***,more than 1/3 of the global 4G equipments and users are using TD-LTE-Advanced ***,research toward 5G is one of the most attractive topics of mobile communication *** 3GPP has launched several workshops to

关键词：无线通信技术中国政府国际标准 4G ITU 运营商 LTE

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Optimal community structure for social contagions

arXiv

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arXiv 2018年

作者： Su, Zhen Wang, Wei Li, Lixiang Stanley, H. Eugene Braunstein, Lidia A. College of Computer Science and Technology Chongqing University of Posts and Telecommunications Chongqing400065 China Chongqing MII Key Lab. of Computer Networks & Communications Chongqing400065 China Cybersecurity Research Institute Sichuan University Chengdu610065 China Information Security Center State Key Laboratory of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing100876 China Center for Polymer Studies and Department of Physics Boston University BostonMA02215 United States Departamento de Física Facultad de Ciencias Exactas y Naturales Universidad Nacional de Mar del Plata-CONICET Funes 3350 Mar del Plata7600 Argentina

Community structure is an important factor in the behavior of real-world networks because it strongly affects the stability and thus the phase transition order of the spreading dynamics. We here propose a reversible social contagion model of community networks that includes the factor of social reinforcement. In our model an individual adopts a social contagion when the number of received units of information exceeds its adoption threshold. We use meanfield approximation to describe our proposed model, and the results agree with numerical simulations. The numerical simulations and theoretical analyses both indicate that there is a first-order phase transition in the spreading dynamics, and that a hysteresis loop emerges in the system when there is a variety of initially-adopted seeds. We find an optimal community structure that maximizes spreading dynamics. We also find a rich phase diagram with a triple point that separates the no-diffusion phase from the two diffusion phases. Copyright © 2018, The Authors. All rights reserved.

关键词： Structural optimization

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5G ENTERING INTO A NEW ERA

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China Communications 2017年第12期14卷 I0002-I0004页

作者： Feifei Gao Changle Li Jun Fang Kaizhi Huang Zhi Quan Chengwen Xing Jianhua Zhang Zhongshan Zhang Liqiang Zhao Yulong Zou Department of Automation Tsinqhua UniversityBeiiingChina the State Key Laboratory of Integrated Services Networks Xidian University china communications ieee communications magazine ieee signal processing letters national digital switching system engineering&technological research center the college of information engineering shenzhen university the school of information and electronics beijing institute of technology bupt itu-r imt-2020 channel model ieee comm the school of computer and communication engineering in the university of science and technology beijing(ustb) state key lab.of integrated ser vice networks xidian university the nanjing university of posts and telecommunications(nupt)

The ever increasing wireless data services, such asimaging, video, audio, multimedia, etc., have de-mands for the very high speed wireless communicationsand network, which are unfortunately a bottleneck whencombining with the wireline core network. Users＇ arenow expecting high quality of experience with low-costdevices, ubiquitous connectivity, energy efficiency, highreliability, or even ultra-low latency if a vehicle terminalis applied.

关键词： 5G ENTERING A NEW ERA

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INTELLIGENT INFORMATION NETWORK SECURITY AND MANAGEMENT

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China Communications 2016年第7期13卷 3-6页

作者： Yixian Yang Zhongshan Zhang Wenjing Li Information Security Center(ISC) Beijing University of Posts and Telecommunications(BUPT) National Engineering Laboratory for Disaster Backup and Recovery the School of Computer and Communication Engineering in the University of Science and Technology Beijing(USTB) State Key Lab of Networking and Switching Technologies Network Management Research Center at BUPT National Innovation Research Group of China

Intelligent Information Network Security and Management(IINSM)is an emerging direction in future Internet architecture research,which has gained significant tractions among academia and *** the rapid development of modern society,intelligent information network with the computer as the core technology is widely used in every aspect of social ***

关键词： DCT INTELLIGENT INFORMATION NETWORK SECURITY AND MANAGEMENT Simulation DWT DCNN

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MLCS: A multi-level correlation scheduling algorithm for multipath transport

MLCS: A multi-level correlation scheduling algorithm for mul...

引用

International Conference on Information networking

作者： Bo Hu Lin Xing Zeng Wang Na Liu State Key Lab of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing CHINA

ISBN: (纸本)9781509017256

The widespread use of network access technology has enabled the mobile terminals to have multiple interfaces, which promotes the development of multipath transport. However, there exist some important issues on multipath transport, such as out-of-order packets problem which results from the different performance among sub-flows. Those will lead to unnecessary retransmission, even a decrease in throughput. This paper proposes a novel packet scheduling algorithm named Multi-level Correlation Scheduling (MLCS). MLCS proposes a multipath throughput model to calculate the throughput and paths correlation. MLCS pre-classifies the paths, and it can remove a sub-flow when the performance of the sub-flow is below the criteria, thus decreasing the effects of poor sub-flows and improving the overall throughput. Moreover, MLCS schedules packets based on the path correlations between sub-flows and path transmission ability, so it can make use of the network resources. The simulation results show an increase in throughput of MLCS compared with EMTCP and Coupled MPTCP.

关键词： Throughput Scheduling algorithms Correlation Mathematical model Scheduling Out of order Schedules

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Next Generation Internet and IPv6 Transition

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China Communications 2015年第3期12卷 151-152页

作者： WANG Wendong State Key Lab.of Networking and Switching Technology Beijing University of Posts and Telecommunications

IPv4 address space has been exhausted *** problem will be solved by moving forward to the next-generation Internet based on *** transition from IPv4 to IPv6is the key to deciding whether the next-generation Internet i... 详细信息

关键词： deciding merely difficulty Transition hence hundreds highlight tunneling transitional CERNET

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Record Linkage Using the Combination of Twice Iterative SVM Training and Controllable Manual Review

Record Linkage Using the Combination of Twice Iterative SVM ...

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IEEE International Symposium on Dependable, Autonomic and Secure Computing (DASC)

作者： Fei Wang Hongbo Wang State Key Lab. of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing China

Record linkage is widely used in many fields, which is a crucial step to increase data quality before data analyzing and data mining. The task of record linkage is to identify records that correspond to the same entities from multi-sources data. In this paper, we describe detailed process of record linkage through an application of internet video, with the purpose of guiding the practice. A method of combination of twice Iterative SVM (Support Vector Machine) training and controllable manual review has been presented. The experiment based on abundant actual data achieves over 98% in F-score.

关键词： Couplings Support vector machines Training Indexing Manuals Motion pictures

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A comprehensive data-driven approach to evaluating quality of experience on large-scale internet video service

A comprehensive data-driven approach to evaluating quality o...

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International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)

作者： Ting Yue An-Ming Wei Hong-Bo Wang Xiang-Dong Deng Shi-Duan Cheng State Key Lab. of Networking and Switching Technology Beijing Univ. of Posts and Telecommunications Beijing China

ISBN: (纸本)9781509040940

Internet video is currently one of the most popular Internet services, accounting for more than 50% of the overall Internet traffic. Various access patterns of users worldwide contribute to increasing complex scenarios of Internet video. Under the circumstances, there emerges a valuable yet challenging topic that industry and academia keep focusing on: how to evaluate quality of experience (QoE) of Internet video in the wild? In this paper, we propose a comprehensive data-driven approach to evaluate QoE based on massive dataset extracted from a large-scale Internet video service provider. With the methods of feature engineering and fuzzy theory, we exploit user's situational features and session's quality features. Then we conceive an appropriate QoE evaluating model called bagging-based Bayesian factorization machine to correlate the aforementioned features with user's QoE. The experimental results demonstrate that our approach is adaptive for QoE evaluation on Internet video both in efficiency and effectiveness. Moreover, our approach achieves higher degree of accuracy compared with baseline methods, including what associated works present.

关键词： Streaming media Internet Feature extraction Quality of service Bayes methods Bit rate

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The role of data analysis in the development of intelligent energy networks

arXiv

引用

arXiv 2017年

作者： Ma, Zhanyu Xie, Jiyang Li, Hailong Si, Zhongwei Zhang, Jianhua Guo, Jun Sun, Qie Pattern Recognition and Intelligent Systems Lab. Beijing University of Posts and Telecommunications Beijing China School of Business Mälardalen University Society and Engineering Västerås Sweden .Tianjin Key Laboratory of Refrigeration Technology School of Mechanical Engineering Tianjin University of Commerce Tianjin China Institute of Thermal Science and Technology Shandong University Ji'nan China Key Laboratory of Universal Wireless Communications Beijing University of Posts and Telecommunications MOE Beijing China State Key Lab of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing China

Data analysis plays an important role in the development of intelligent energy networks (IENs). This article reviews and discusses the application of data analysis methods for energy big data. The installation of smart energy meters has provided a huge volume of data at different time resolutions, suggesting data analysis is required for clustering, demand forecasting, energy generation optimization, energy pricing, monitoring and diagnostics. The currently adopted data analysis technologies for IENs include pattern recognition, machine learning, data mining, statistics methods, etc. However, existing methods for data analysis cannot fully meet the requirements for processing the big data produced by the IENs and, therefore, more comprehensive data analysis methods are needed to handle the increasing amount of data and to mine more valuable information. Copyright © 2017, The Authors. All rights reserved.

关键词： District heating

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An Optimized algorithm for device discovery using BLE

An Optimized algorithm for device discovery using BLE

引用

2016 4th International Conference on Machinery,Materials and Information technology Applications(ICMMITA 2016)

作者： Yan Zhang Zheng Song Wendong Wang Ye Tian State Key Laboratory of Networking and Switching Technology Beijing University Of Posts and Telecommunications Software Innovation Lab Virginia Tech

There are more and more mobile smart devices with high capabilities in both computing and storage, which leading to the device cooperation in vicinity becomes popular. As the first step in the device cooperation, the device discovery process is particularly important. Because of the mobility of the devices and the limitation of the energy, how to perform the device discovery process efficiently is the key of the device cooperation. However, the devices support not only one type of wireless communication modules, choose which module to perform the device discovery is the first issue to think about. This paper compares the existing wireless communication technologies and find the suitable method. Then proposes an optimized algorithm for the device discovery using Bluetooth Low Energy（BLE）.

关键词： device discovery BLE Android

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