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2018 20th International Conference on Advanced Communication Technology (ICACT)最新文献

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Android based advanced attendance vigilance system using wireless network with fusion of bio-metric fingerprint authentication 基于Android的高级考勤系统采用无线网络融合生物识别指纹认证
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323701
H. Adal, Nawsheen Promy, Sanjana Srabanti, Mahbubur Rahman
In this digital era, different organizations have started taking attendance using biometric fingerprint authentication. This will keep the track of employee's attendance but the question arises if the employee is fully present at his/her workplace after giving attendance. In this modern era of digitalization, it is seen that after giving attendance a huge number of employees escape away from their workplace and do their personal job in the office time. This paper focuses on a smart attendance system where an android device will be used as a smart ID card. A mobile application is developed in Java to ensure the attendance of an individual employee using bio-metric fingerprint authentication. In addition, the entire working place will be a Wi-Fi zone. So, the connection or disconnection of the android device (Smart ID card) to the router will determine whether an employee is present in the working place or not. A counter will be there into the system to count the total amount of time an employee spends in the working place.
在这个数字时代,不同的组织已经开始使用生物指纹认证来考勤。这将记录员工的出勤情况,但如果员工在出勤后完全出现在他/她的工作场所,问题就出现了。在这个数字化的现代时代,可以看到大量的员工在出勤后逃离工作场所,在办公时间做他们的个人工作。本文主要研究了一种智能考勤系统,该系统将android设备作为智能身份证。使用Java开发了一个移动应用程序,以确保使用生物指纹身份验证的个人员工出勤。此外,整个工作场所都将是Wi-Fi区。因此,android设备(智能身份证)与路由器的连接或断开将决定员工是否在工作场所。系统中会有一个计数器,用来计算员工在工作场所花费的总时间。
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引用次数: 8
Protocols and use cases for media independent management in SDN-based wireless access networks 基于sdn的无线接入网络中媒体独立管理的协议和用例
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323745
Hyeong-Ho Lee, Yun Chul Choi, B. Ahn, J. Choi
This paper presents protocol messages, signalling procedures, and use cases for Media Independent Management (MIM) in Software-Defined Networking (SDN)-based wireless access networks. MIM control framework allows to control and to acquire information in a media independent way through a generic interface between higher layers and existing media-specific link layers. Focusing on tightly-coupled integration between SDN and MIM control planes, this paper describes signalling architecture, protocol messages, high-level signalling procedures for resource management and seamless handover, and three use cases of MIM in SDN-based heterogeneous wireless access networks.
本文介绍了基于软件定义网络(SDN)的无线接入网络中媒体独立管理(MIM)的协议消息、信令过程和用例。MIM控制框架允许通过高层和现有特定于媒体的链路层之间的通用接口以独立于媒体的方式控制和获取信息。针对SDN控制平面与MIM控制平面之间的紧密耦合集成,介绍了信令体系结构、协议消息、用于资源管理和无缝切换的高级信令流程,以及MIM在基于SDN的异构无线接入网中的三个用例。
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引用次数: 0
A low-complexity practical energy saving algorithm for real dense wireless scenario 面向真实密集无线场景的低复杂度实用节能算法
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323917
Fei Ding, Ye Wang, E. Tong, Zhiwen Pan, Xiao-hu You
In this paper, a low-complexity practical energy saving algorithm by switching off/on some eNBs in a real dense urban scenario considering historical and real-time eNB load is proposed. First, eNBs are ranked according to their loads in an ascending order and the first eNB in the list with load decreasing and smaller than a low threshold is pre-selected as target switching off cell. Then, the effect of the target switching off eNB on neighbour eNBs is evaluated. The target eNB switches-off while the load of neighbour eNBs after the eNB switches off is smaller than another threshold. Since estimation of the additional load on the neighbour eNBs due to the switch-off eNB is of high complexity, a fast estimation algorithm considering the whole eNB load by a traffic load conversion coefficient is proposed. The traffic load conversion coefficient declines slowly with the increasing of site traffic load. Third, the switching-off eNB can be switched on by the active eNBs in a distributed way. Based on the load changes in a week period of the eNB, the cumulative probability distribution of normalized load is analyzed, and then the threshold value of the eNB in different periods is evaluated. The energy saving ratio is obviously related with the interval between the switched on or off threshold values and the complexity of the algorithm is significantly reduced. Simulation results show that the proposed energy saving scheme can save up to 24% energy consumption and with low system complexity.
本文提出了一种考虑历史和实时电力负荷的低复杂度节能算法。首先,根据eNB的负载按升序排序,并预选负载减小且小于低阈值的列表中的第一个eNB作为目标关闭单元。然后,评估目标关闭eNB对相邻eNB的影响。目标eNB关闭,邻居eNB关闭后负载小于其他阈值。处理步骤由于关闭eNB对相邻eNB附加负荷的估计比较复杂,提出了一种基于流量负荷转换系数的考虑整个eNB负荷的快速估计算法。流量负荷转换系数随站点流量负荷的增加而缓慢下降。第三,关闭的eNB可以被主动的eNB以分布式的方式打开。基于电网一周周期内的负荷变化,分析了电网归一化负荷的累积概率分布,进而评估了电网不同时段的阈值。节能率与开启或关闭阈值的间隔有明显的关系,算法的复杂度显著降低。仿真结果表明,该方案可节省24%的能耗,且具有较低的系统复杂度。
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引用次数: 1
Experimental assessment of battery lifetime for commercial off-the-shelf NB-IoT module 商用现成NB-IoT模块电池寿命实验评估
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323703
Chun Yeow Yeoh, A. Man, Q. Ashraf, A. Samingan
Low Power Wide Area (LPWA) connectivity, a wireless wide area technology that is characterized for interconnecting devices with low bandwidth connectivity and focusing on range and power efficiency, is seen as one of the fastest-growing components of Internet-of-Things (IoT). The LPWA connectivity is used to serve a diverse range of vertical applications, including agriculture, consumer, industrial, logistic, smart building, smart city and utilities. 3GPP has defined the maiden Narrowband IoT (NB-IoT) specification in Release 13 (Rel-13) to accommodate the LPWA demand. Several major cellular operators, such as China Mobile, Deutsch Telekom and Vodafone, have announced their NB-IoT trials or commercial network in year 2017. In Telekom Malaysia, we have setup a NB-IoT trial network for End-to-End (E2E) integration study. Our experimental assessment showed that the battery lifetime target for NB-IoT devices as stated by 3GPP utilizing latest-to-date Commercial Off-The-Shelf (COTS) NB-IoT modules is yet to be realized. Finally, several recommendations on how to optimize the battery lifetime while designing firmware for NB-IoT device are also provided.
低功耗广域(LPWA)连接是一种无线广域技术,其特点是连接具有低带宽连接的设备,并专注于范围和功率效率,被视为物联网(IoT)中增长最快的组件之一。LPWA连接用于服务于各种垂直应用,包括农业、消费、工业、物流、智能建筑、智慧城市和公用事业。3GPP在第13版(Rel-13)中定义了首个窄带物联网(NB-IoT)规范,以满足LPWA的需求。中国移动、德国电信和沃达丰等几家主要移动运营商已宣布将在2017年推出NB-IoT试验或商用网络。在马来西亚电信,我们已经建立了一个NB-IoT试验网络,用于端到端(E2E)集成研究。我们的实验评估表明,3GPP提出的使用最新商用现货(COTS) NB-IoT模块的NB-IoT设备电池寿命目标尚未实现。最后,就如何在设计NB-IoT设备固件时优化电池寿命提出了几点建议。
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引用次数: 25
Proposal of value-added service based on real-time automatic content recognition 基于实时自动内容识别的增值业务方案
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323839
Donghwan Shin, Jonguk Choi
ACR (Automatic Contents Recognition) technology is a technology for automatically recognizing contents, and mainly recognizes contents using audio signal processing technology. The reason why ACR technology is necessary is to recognize the content currently being broadcast and provide an additional service suitable for it. Because of this necessity, internationally, ACR technology is selected as a standard in ATSC 3.0. In Korea, IBB (Integrated Broadcast and Broadband) service is included as domestic UHD broadcasting technology standard. In this paper, we describe the standard progress of ACR technology as domestic IBB standard and discuss why ACR technology is needed in actual broadcasting environment and future development direction. In particular, there is a limitation that the standardized part can only be provided by UHD TV. UHD TV Terrestrial broadcasting started in May 2017 based on ATSC 3.0 for the first time in the world. However, considering the domestic situation that more than 90% of users watch using set-top boxes, the number of households receiving UHD broadcasting directly is expected to be less than 10%. In addition, UHD broadcasting can only use UHD TV purchased in 2017 to use additional information service using ACR technology. DTV broadcasting will continue until UHD 100% broadcasting will be available by 2027 because the average TV replacement cycle is about 10 years on average. Accordingly, the time to replace the TV with UHD TV is expected to take more than 10 years. In this paper, the technology and direction to solve these problems are proposed.
ACR (Automatic Contents Recognition)技术是一种自动识别内容的技术,主要是利用音频信号处理技术对内容进行识别。之所以需要ACR技术,是因为它可以识别当前正在播放的内容,并提供适合该内容的附加服务。由于这种必要性,国际上选择ACR技术作为ATSC 3.0的标准。在韩国,国内超高清(UHD)广播技术标准中包括了综合广播宽带(IBB)服务。本文描述了ACR技术作为国内IBB标准的标准进展,并讨论了实际广播环境需要ACR技术的原因和未来的发展方向。特别是,标准化部分只能由超高清电视提供的限制。2017年5月,世界上首次以ATSC 3.0为基础开始了UHD地面电视广播。但考虑到国内90%以上的用户使用机顶盒观看的情况,直接接收超高清广播的家庭数量预计不足10%。此外,超高清广播只能使用2017年购买的超高清电视,使用使用ACR技术的附加信息服务。由于电视的平均更换周期约为10年,因此数字电视广播将一直持续到2027年实现100%的超高清广播。因此,用超高清(UHD)电视代替普通电视需要10年以上的时间。本文提出了解决这些问题的技术和方向。
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引用次数: 0
Classification of Exploit-Kit behaviors via machine learning approach 基于机器学习方法的Exploit-Kit行为分类
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323797
Sukritta Harnmetta, S. Ngamsuriyaroj
An Exploit-Kit (EK) is the cyber attacking tool which targets in finding vulnerabilities appeared on a web browser instance such as web-plugins, add-on instances usually installed in a web browser. Such instances may send some suitable malware payload through the vulnerabilities they found. This kind of such cyber-attack is known as the drive-by-download attack where malware downloading do not require any interaction from users. In addition, EK can do self-protection by imitating a benign website or responding to end-users with HTTP 404 error code whenever it encountered an unsupported target web browser. As a result, detecting EK requires a lot of effort. However, when an EK launches an attack, there are some patterns of interactions between a host and a victim. In this work, we obtain a set of data from www.malware-traffic-analysis.net and analyze those interactions in order to identify a set of features. We use such features to build a model for classifying interaction patterns of each EK type. Our experiments show that, with 5,743 network flows and 45 features, our model using Decision tree approach can classify EK traffic and EK type with accuracy of 97.74% and 97.11% respectively. In conclusion, our proposed work can help detect the behavior of EK with high accuracy.
Exploit-Kit (EK)是一种网络攻击工具,其目标是发现web浏览器实例上出现的漏洞,例如web插件,通常安装在web浏览器中的附加组件实例。这样的实例可能会通过他们发现的漏洞发送一些合适的恶意软件负载。这种网络攻击被称为下载驱动攻击,恶意软件下载不需要用户的任何交互。此外,EK可以通过模仿良性网站或在遇到不支持的目标web浏览器时向最终用户响应HTTP 404错误代码来进行自我保护。因此,检测EK需要付出很大的努力。然而,当EK发起攻击时,主机和受害者之间存在一些交互模式。在这项工作中,我们从www.malware-traffic-analysis.net获得一组数据,并分析这些相互作用,以识别一组特征。我们利用这些特征构建了一个模型,用于对每个EK类型的交互模式进行分类。实验表明,在5743个网络流和45个特征的情况下,采用决策树方法的模型对EK流量和EK类型的分类准确率分别为97.74%和97.11%。综上所述,我们的工作可以帮助我们高精度地检测EK的行为。
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引用次数: 5
A comparative study on preprocessing methods for object tracking in sports events 体育赛事目标跟踪预处理方法的比较研究
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323793
S. Moon, Ji Won Lee, Do-Won Nam, Wonyoung Yoo, Wonjun Kim
Due to the development of machine learning, interest in automatic recognition of objects in videos is increasing. In the sports field, there is a growing demand for a technology for automatically recognizing and tracking various objects in a sports game video. However, it is very difficult to recognize and track an object without proper preprocessing due to its small size and large sports field. In this paper, we compare background substraction and edge detection, which are typical preprocessing methods for automatic recognition and tracking of objects in sports images, and analyze advantages and disadvantages of each method.
由于机器学习的发展,人们对视频中物体的自动识别越来越感兴趣。在体育领域,对自动识别和跟踪体育比赛视频中各种物体的技术的需求日益增长。然而,由于物体体积小,运动场地大,如果不进行适当的预处理,很难识别和跟踪。本文对运动图像中物体自动识别与跟踪的典型预处理方法背景提取和边缘检测进行了比较,分析了每种方法的优缺点。
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引用次数: 5
Achieving fair cell-edge performance: Low-complexity interference coordination in OFDMA networks 实现公平的蜂窝边缘性能:OFDMA网络中的低复杂度干扰协调
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323625
Sunghyun Kim, H. Jwa, J. Moon, J. Na
We propose a low-complexity downlink interference coordination algorithm in OFDMA networks. The algorithm aims to achieve high proportional fairness among cell-edge users, as the effects of inter-cell interference are most noticeable in cell-edge areas where users are interfered by signals from neighbor base-stations. We demonstrate that the performance of our algorithm is greater than that of a decentralized algorithm which aims at interference randomization. Our algorithm consists of two stages. In the first stage, it constructs a bipartite graph that describes which set of base-stations imposes significant interference on each cell-edge user. In the second stage, exploiting the structure of the constructed graph, it solves an optimization problem to attain high proportional fairness.
提出了一种低复杂度的OFDMA下行干扰协调算法。该算法的目标是在蜂窝边缘用户之间实现高度的比例公平,因为在蜂窝边缘区域,用户受到邻居基站信号的干扰,蜂窝间干扰的影响最为明显。我们证明了该算法的性能优于以干扰随机化为目标的去中心化算法。我们的算法包括两个阶段。在第一阶段,它构建一个二部图,描述哪一组基站对每个蜂窝边缘用户施加显著干扰。在第二阶段,利用构造图的结构,解决一个优化问题,以获得较高的比例公平性。
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引用次数: 2
Shot category detection based on object detection using convolutional neural networks 基于卷积神经网络的镜头类别检测
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323637
Deokkyu Jung, Jeong-Woo Son, Sun-Joong Kim
Shot category detection is a method that extracts classified shots which comprised of several sequenced frames. These are based on object detection, which relates feature extraction of image processing. Shot category detection is helpful to utilize the neural network. Neural networks are widely generalized to our society. Artificial neural networks applied in many kinds of researches and developments, which provide convenient technologies for fundamental knowledge of deep learning. In terms of artificial neural networks, we introduce shot category detection based on object detection using convolutional neural networks (CNN). This paper also proves that CNN is efficient for supervised learning.
镜头类别检测是一种提取由多个序列帧组成的分类镜头的方法。这些都是基于目标检测的,涉及到图像处理的特征提取。镜头类别检测有助于神经网络的应用。神经网络被广泛地推广到我们的社会中。人工神经网络在许多研究和开发中得到了应用,它为深度学习的基础知识提供了便利的技术。在人工神经网络方面,我们引入了基于卷积神经网络(CNN)的目标检测的镜头类别检测。本文还证明了CNN对于监督学习是有效的。
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引用次数: 8
Proposed solution for improving the reliability of HSS data by integrating a queue manager 提出了通过集成队列管理器来提高HSS数据可靠性的解决方案
Pub Date : 2018-02-01 DOI: 10.23919/ICACT.2018.8323883
Ngartabe Kag-Teube, Yvan Paillard Kalia-Sya Dodoagnen, S. Ouya, Kéba Gueye
This paper propose a solution for improving the reliability of IMS HSS data by integrating a queue manager. It will interact between the I-CSCF, S-CSCF and HSS entities so that when transferring or downloading the user's profile, the HSS entity is operating normally, notifying the user that it is registered.
本文提出了一种通过集成队列管理器来提高IMS HSS数据可靠性的解决方案。它将在I-CSCF、S-CSCF和HSS实体之间进行交互,以便在传输或下载用户的个人资料时,HSS实体正常运行,并通知用户已注册。
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引用次数: 2
期刊
2018 20th International Conference on Advanced Communication Technology (ICACT)
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