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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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Performance analysis of the affine projection CM algorithm

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Journal of Information and Computational Science 2011年第14期8卷 3275-3280页

作者： Ma, Lili Chen, Jinguang Wang, Huiran School of Computer Science Xi'an Polytechnic University Xi'an 710048 China School of Electronic Engineering Xidian University Xi'an 710071 China Science and Technology on Information Transmission and Dissemination in Communication Networks Lab. Shijiazhuang 050081 China

In this paper, we discuss the performance of the affine projection CM algorithm, which can deal with the cases that the input signals are correlated and decrease the filtering error. We describe the derivation of algorithm process and analysis the error performance and computational complexity. And an example of adaptive blind equalization is given to verify this algorithm. Some conclusions are obtained which are benefit to the researchers and engineers in the adaptive filtering field. 1548-7741/Copyright © 2011 Binary Information Press December 2011.

关键词： Adaptive filters

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Addressing the Load Estimation Problem: Cell Switching in HAPS-Assisted Sustainable 6G networks

arXiv

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arXiv 2024年

作者： Salamatmoghadasi, Maryam Ozturk, Metin Yanikomeroglu, Halim Non-Terrestrial Networks Lab Department of Systems and Computer Engineering Carleton University OttawaONK1S5B6 Canada Electrical and Electronics Engineering Ankara Yildirim Beyazit University Ankara06010 Turkey

This study aims to introduce and address the problem of traffic load estimation in the cell switching concept within the evolving landscape of vertical heterogeneous networks (vHetNets). The problem is that the practice of cell switching faces a significant challenge due to the lack of accurate data on the traffic load of sleeping small base stations (SBSs). This problem makes the majority of the studies in the literature, particularly those employing load-dependent approaches, impractical due to their basic assumption of perfect knowledge of the traffic loads of sleeping SBSs for the next time slot. Rather than developing another advanced cell switching algorithm, this study investigates the impacts of estimation errors and explores possible solutions through established methodologies in a novel vHetNet environment that includes the integration of a high altitude platform (HAPS) as a super macro base station (SMBS) into the terrestrial network. In other words, this study adopts a more foundational perspective, focusing on eliminating a significant obstacle for the application of advanced cell switching algorithms. To this end, we explore the potential of three distinct spatial interpolation-based estimation schemes: random neighboring selection, distance-based selection, and clustering-based selection. Utilizing a real dataset for empirical validations, we evaluate the efficacy of our proposed traffic load estimation schemes. Our results demonstrate that the multi-level clustering (MLC) algorithm performs exceptionally well, with an insignificant difference (i.e., 0.8%) observed between its estimated and actual network power consumption, highlighting its potential to significantly improve energy efficiency in vHetNets. Copyright © 2024, The Authors. All rights reserved.

关键词： Base stations

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Mixed H2/H∞LQ Games for Robust Policy Optimization Under Unknown Dynamics

arXiv

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arXiv 2022年

作者： Cui, Leilei Molu, Lekan The Control and Networks Lab Department of Electrical and Computer Engineering Tandon School of Engineering New York University BrooklynNY11201 United States Microsoft Research 300 Lafayette Street New YorkNY10012 United States

We consider some aspects of mixed H2/H∞control in a policy optimization setting. We study the convergence and robustness properties of our proposed policy scheme for autonomous systems described by stochastic differential equations with non-trivial additive Brownian motion as a disturbance. We then propose efficiently learning robustly stabilizing optimal control policies for such systems when the dynamics is unknown. We evaluate our proposed schemes on two- and three-link kinematic chains. Our evaluations demonstrate robust steadystate convergence to equilibrium under worst-case disturbance and Brownian motion alike. This policy optimization scheme is well-suited to reinforcement learning, and learning-enabled control systems where modeling errors, unknown dynamics, parametric and non-parametric uncertainties typically hamper system operations. © 2022, CC BY.

关键词： Brownian movement

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A security testing approach for WSN protocols based on object-oriented attack model

A security testing approach for WSN protocols based on objec...

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International Conference on Computational Intelligence and Security

作者： Yue Qi Qingqi Pei Yong Zeng Chao Yang Shu-po Bu State Key Laboratory of Integrated Service Networks Xidian University Xi'an China Key Laboratory of Computer Networks and Information Security of Ministry of Education China Key Lab. of Comput. Networks & Inf. Security Minist. of Educ. Guangzhou China Department of Electronic Engineering Suzhou Institute of Industrial Technology Suzhou China

In this paper, we propose an object-oriented attack model to represent a protocol attack in WSN detailedly. The model describes multiple attributes of an attack, including its principle, impact, interdependent relationships with other attacks, etc. Then, on the basis of the attack model and the FSM description method, we present a security testing approach for WSN protocols, in order to evaluate the security of the tested protocols. Finally, we take the TinyPK protocol and Sybil attack for example to implement our design, and the Protocol Security Testing Report shows as expected that the TinyPK cannot resist the Sybil attack. Thus, the security testing approach proposed is feasible.

关键词： Protocols Wireless sensor networks Object oriented modeling Testing Authentication Availability

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Mobile edge computing in unmanned aerial vehicle networks

arXiv

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arXiv 2019年

作者： Zhou, Fuhui Hu, Rose Qingyang Li, Zan Wang, Yuhao School of Information Engineering Nanchang University State Key Laboratory of Integrated Services Networks Xidian University Xian710071 China Department of Electrical and Computer Engineering Utah State University LoganUT84322 United States Integrated Service Networks Lab of Xidian University Xi'an710071 China School of Information Engineering Nanchang University 330031 China

Unmanned aerial vehicle (UAV)-enabled communication networks are promising in the fifth and beyond wireless communication systems. In this paper, we shed light on three UAV-enabled mobile edge computing (MEC) architectures. Those architectures have been receiving ever increasing research attention for improving computation performance and decreasing execution latency by integrating UAV into MEC networks. We present a comprehensive survey for the state-of-the-art research in this domain. Important implementation issues are clarified. Moreover, in order to provide an enlightening guidance for future research directions, key challenges and open issues are discussed. Copyright © 2019, The Authors. All rights reserved.

关键词： Unmanned aerial vehicles (UAV)

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Mining miRNAs2target genes interactions from biomedical literature

Mining miRNAs2target genes interactions from biomedical lite...

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2016 IEEE International Conference of Online Analysis and Computing Science(ICOACS 2016)

作者： Lejun Gong Kaiyu Jiang Ronggen Yang Geng Yang Jiangsu High Technology Research Key Lab for Wireless Sensor Networks College of Computer Science & TechnologyNanjing University of Posts and Telecommunications College of Intelligent Science and Control Engineering Jinling Institute of Technology

This work describes an approach to mine miRNAs2 target genes interactions related to breast cancer from ***,the work obtain 53 miRNAs and 2130protein-coding genes regarding to the breast cancer,then using prior knowledge to extract the relationship between miRNAs and protein-coding genes,we achieved 2231 miRNAs2 target interactions *** also constructed a miRNAs2 target network,which could be used to clearly show the extracted miRNAs2 target interactions.

关键词： miRNA2target interaction breast cancer enrichment analysis relationship extraction

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Digital Ecosystems: Evolving Service-Orientated Architectures 06

Digital Ecosystems: Evolving Service-Orientated Architecture...

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Bio-Inspired Models of Network, Information and Computing Systems, BIONETICS

作者： Gerard Briscoe Philippe de Wilde Intelligent Systems and Networks Group Department of Electrical and Electronic Engineering Imperial College London London UK Intelligent Systems Lab School of Mathematical and Computer Science Heriot-Watt University Edinburgh UK

ISBN: (纸本)9781424404636

A novel optimisation technique inspired by natural ecosystems is presented, where the optimisation works at two levels: a first optimisation, migration of services which are distributed in a decentralised peer-to-peer network, operating continuously in time; this process feeds a second optimisation based on evolutionary computing that operates locally on single peers and is aimed at finding solutions to satisfy locally relevant constraints. Through this two-fold process, the local search is accelerated and will yield better local optima, because the distributed optimisation already provides a good sampling of the search space by making use of computations already performed in other peers with similar constraints. We call this new distributed optimisation architecture a digital ecosystem, an ecosystem-orientated architecture (EOA) created by extending a service-oriented architecture (SOA) with distributed evolutionary computing (DEC). The digital ecosystem will allow services to recombine and evolve over time, constantly seeking to improve their effectiveness for the user base. individuals within our digital ecosystem will be applications (groups of services), created in response to user requests by using evolutionary optimisation to aggregate the services. These individuals will migrate through the digital ecosystem and adapt to find niches where they are useful in fulfilling other user requests

关键词： Ecosystems Constraint optimization computer architecture Peer to peer computing Distributed computing Service oriented architecture Feeds computer networks Acceleration Sampling methods

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BotScan: An Unsupervised Bot Detection Based on Adversarial Learning and Social Perception

BotScan: An Unsupervised Bot Detection Based on Adversarial ...

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Asian Control Conference

作者： Hong Lin Nuo Chen Yang Chen Xiang Li Cong Li Department of Electronic Engineering Adaptive Networks and Control Lab School of Information Science and Technology Fudan University China Shanghai Key Lab of Intelligent Information Processing School of Computer Science Fudan University China The Institute of Complex Networks and Intelligent Systems Shanghai Research Institute for Intelligent Autonomous Systems Tongji University China

ISBN: (数字)9789887581598

ISBN: (纸本)9798331540845

Within online social networks, the rapid expansion of automated accounts, known as social bots, poses a significant challenge. This dynamic has sparked a strategic contest between bots and detectors. Both sides continually learn and adjust their strategies to gain an edge in this silent war. To effectively manage risks from bot evolution, proactive detection methods have garnered widespread attention. In this work, we propose a graph-based and structure-aware adversarial learning framework for multi-category social bot detection. In detail, we adopt a categorical generative adversarial network to create synthetic evolved bot samples for adversarial learning, aiming to boost the detection performance. Besides, we design a user representation learning module, including local and remote feature extractors to mine neighborhood information and achieve multiple network structure representations. Results demonstrate that our model outperforms state-of-the-art approaches and exhibits strong robustness.

关键词： Representation learning Training Technological innovation Social networking (online) Image edge detection Detectors Feature extraction

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On accurate task scheduling in Optical Grid

On accurate task scheduling in Optical Grid

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International Symposium on Advanced networks and Telecommunication Systems (ANTS)

作者： Zhengyu Wang Wei Guo Zhenyu Sun Yaohui Jin Weiqiang Sun Weisheng Hu Chunming Qiao State Key Lab of Advanced Optical Communication Systems and Networks Shanghai Jiaotong University Shanghai China Department of Computer Science & Engineering State University of New York University at Buffalo NY USA

This paper experimentally studies the accurate task scheduling in optical grid. The practical data transfer scenario and task execution scenario in optical grid have been investigated and modeled. Scheduling algorithm... 详细信息

ISBN: (纸本)9781424418596

关键词： Fiber optics Optical fibers Accuracy Processor scheduling Optical fiber networks Optical fiber communication Optical switches

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