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2014 International Conference on Information and Communication Technology Convergence (ICTC)最新文献

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Uplink data channel in a mobile wireless backhaul of mmWave communications 毫米波通信的移动无线回程中的上行数据信道
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983267
Seung Nam Choi, I. Kim, Dae-Jin Kim
{"title":"Uplink data channel in a mobile wireless backhaul of mmWave communications","authors":"Seung Nam Choi, I. Kim, Dae-Jin Kim","doi":"10.1109/ICTC.2014.6983267","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983267","url":null,"abstract":"This paper implemented the uplink data channel of a 27 GHz millimeter-wave mobile wireless backhaul system. The hardware architecture of the receiver was designed and a RTL timing diagram was illustrated. The floating-point/fixed-point simulations were performed under the Rician channel. The uplink data channel can provide a giga-bit data rate service for high speed vehicles in a millimeter-wave mobile wireless backhaul.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114967184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
WoO-based smart streaming to improve quality of streaming media 基于web的智能流媒体，提高流媒体质量
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983360
Dongchil Kim, Jiwoo Park, K. Chung
{"title":"WoO-based smart streaming to improve quality of streaming media","authors":"Dongchil Kim, Jiwoo Park, K. Chung","doi":"10.1109/ICTC.2014.6983360","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983360","url":null,"abstract":"In this paper, we design a Web of Objects (WoO)-based smart streaming framework to improve quality of streaming media. The proposed framework provides seamless video streaming on the basis of the context information including the network status and the device characteristics. It also accurately estimates the available bandwidth and the network delay. The implementation results show that our framework adaptively transmits the multimedia content to various mobile devices in heterogeneous wireless networks.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115298430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Self-interference cancellation using Mach-Zehnder Modulator for Full-Duplex communication 全双工通信中使用马赫-曾德尔调制器的自干扰消除
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983313
Bong-Jun Kim, H. Ryu
{"title":"Self-interference cancellation using Mach-Zehnder Modulator for Full-Duplex communication","authors":"Bong-Jun Kim, H. Ryu","doi":"10.1109/ICTC.2014.6983313","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983313","url":null,"abstract":"In this paper, we propose a self-interference cancellation system using LN DDMZM (Lithium Niobate Dual Drive Mach Zehnder Modulator). Self-interference cancellation is main issue in Full-Duplex system. Conventional Full-Duplex system is studied over Analog and Digital domain. But recently work says that significant portion of full duplex self-interference cancellation relies on analog domain techniques. But an analog domain technique has a problem which is weak about wideband signal. Using proposed system, we achieve 110dB self-interference cancellation. Our proposed system has a simple structure. We replaced phase shifter and other device with LN DDMZM. By controlling the parameter of LN DDMZM we can get desired performance and we can receive the desired receive signal after self-interference cancellation well. We use optisystem simulation tool in order to confirm a performance.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120940021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Reducing the impact of repackaged app on Android 减少重新包装应用对Android的影响
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983293
H. Moon, YongSung Jeon, Jeongnyeo Kim
{"title":"Reducing the impact of repackaged app on Android","authors":"H. Moon, YongSung Jeon, Jeongnyeo Kim","doi":"10.1109/ICTC.2014.6983293","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983293","url":null,"abstract":"Repackaging is the one of the most common techniques used by Android malwares. Recently, as one approach to prevent the repackaged malwares, it is considered to use the trust agency that guarantees the app developer. However, these approaches have no or limited secure channel to deploy the guaranteed apps. No secure channel poses another security issue of phishing. The limited channel through trust market poses the limitation in app operation. To tackle these problems, we present a secure trusted app deployment approach. Our approach inserts the guarantee generated by trust agency into app. The app with this guarantee, called Trusted APP, is signed with only developer certificate. So Trusted APP can be deployed through the existing Android Markets and has no limitation in app operation. For secure deployment, the guarantee information in the app is verified on the device before the installation. Through this verification, the proposed approach can reduce to propagate the repackaged malwares of Trusted APPs.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123267174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
RealCatch: A community-based real-time platform for financial fraud protection on smartphones RealCatch:基于社区的智能手机金融诈骗实时防护平台
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983155
Kyong-Ha Lee, Wonjoo Park, Keeseong Cho, Won Ryu
{"title":"RealCatch: A community-based real-time platform for financial fraud protection on smartphones","authors":"Kyong-Ha Lee, Wonjoo Park, Keeseong Cho, Won Ryu","doi":"10.1109/ICTC.2014.6983155","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983155","url":null,"abstract":"In light of the rapid growth of smartphones, there are unrelenting malicious attacks on smartphones from voice phishing to mobile malwares. However, our protection against the various types of malicious attacks is much slower than the rapid evolution of the attacks since the analysis of the malicious attacks on smartphones usually takes much more time and efforts than hackers evolve their attack methods. To address the issue, we propose a community-based real-time platform that gathers malicious attack information, which is selected from anonymized communication records transferred from users' smartphones. We then share the information with users in realtime. Our platform also features that it supports the real-time analysis of Android applications which are driven to be installed by URLs in SMS messages. It also presents a unique feature that the downloaded apps can be compared with known malwares at runtime. It is realized by our hash-valued n-g ra m search index built on top of conventional databases by exploiting facilities already available in the off-the-shelf database systems.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123443491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
QoE assessment of Multi-View Video and audio simultaneous IP transmission: The effect of user interfaces 多视点视频和音频同时IP传输的QoE评估:用户界面的影响
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983182
Francis Jeganatan, Wilson Francis, Toshiro Nunome
{"title":"QoE assessment of Multi-View Video and audio simultaneous IP transmission: The effect of user interfaces","authors":"Francis Jeganatan, Wilson Francis, Toshiro Nunome","doi":"10.1109/ICTC.2014.6983182","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983182","url":null,"abstract":"This paper considers the joint effect of simultaneous transmission methods and user interfaces on QoE of Multi-View Video and audio (MVV-A) over IP networks. When the user wants to change his/her viewpoint, if the user's terminal already receives the video stream requested, the viewpoint change can be done quickly. Otherwise, it needs to request the video to the server. As the MVV transmission schemes which exploit a tradeoff between the viewpoint change response and image quality determined by video encoding bitrate of each viewpoint, we consider three simultaneous transmission methods of video streams: three streams, five streams and eight streams methods. We then compare three user interfaces for viewpoint change. A subjective experiment is performed to assess the QoE. We employ a content which consists of a moving toy train, audience and a score display. As a result, we have found that the user interfaces have impacts on QoE of the MVV-A system; they play important roles when the network delay increases. In this experiment, the three streams method, which prefers image quality, is the best among the transmission methods.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123576948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Flow table management scheme applying an LRU caching algorithm 应用LRU缓存算法的流表管理方案
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983149
Eun-Do Kim, Yunchul Choi, Seungik Lee, M. Shin, Hyoungjun Kim
{"title":"Flow table management scheme applying an LRU caching algorithm","authors":"Eun-Do Kim, Yunchul Choi, Seungik Lee, M. Shin, Hyoungjun Kim","doi":"10.1109/ICTC.2014.6983149","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983149","url":null,"abstract":"In this paper, we address the communication overhead problem between OpenFlow controllers and switches due to table-miss in a flow table. For dealing with table-miss, the switch informs the controller by sending a packet-in message to make the controller perform further actions. However, this packet-in procedure to deal with table-miss may cause a controller overhead when one controller has to process many events. For reducing the controller overhead, we propose a modified flow table management scheme with applying an LRU caching algorithm. By keeping the flow entries in a flow table as many as possible, we can increase the flow entry matching rate.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125434800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Long-term and short-term analysis of compatibility between satellite earth station and terrestrial fixed system in X-band 卫星地面站与地面固定系统在x波段的长期和短期兼容性分析
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983217
Jong-Min Park, Nam-Ho Jeong, D. Oh, D. Chang
{"title":"Long-term and short-term analysis of compatibility between satellite earth station and terrestrial fixed system in X-band","authors":"Jong-Min Park, Nam-Ho Jeong, D. Oh, D. Chang","doi":"10.1109/ICTC.2014.6983217","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983217","url":null,"abstract":"Interference scenario and methodology between an earth station (ES) of fixed-satellite service (FSS) and a fixed wireless system (FWS) in the terrestrial fixed service (FS) in a co-channel environment in X-band are established. Taking into account path loss between two systems and long-term and short-term protection criteria for FWS, we performed computational simulation to obtain required separation distance for adequate protection of FWS. The methodology and results would be useful when considering new frequency allocations to FSS in X-band to which FS has been allocated and planning ES deployment for FSS without unacceptable interference impact on FWS.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126599100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A new synchronization sequence generation and correlation output calculation method for heterogeneous network 一种新的异构网络同步序列生成及相关输出计算方法
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983102
W. Hwang, Donghoon Lee, Hyung-Jin Choi
{"title":"A new synchronization sequence generation and correlation output calculation method for heterogeneous network","authors":"W. Hwang, Donghoon Lee, Hyung-Jin Choi","doi":"10.1109/ICTC.2014.6983102","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983102","url":null,"abstract":"In this paper, we present an interference problem due to the synchronization sequence collision between adjacent nodes in heterogeneous network environment. One of the possible solutions for the synchronization sequence collision is to newly define some kinds of synchronization sequences in system configuration. From this point of view, we propose an effective sequence generation method and suggest simple correlation output calculation method for the newly defined sequence.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115251715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inter-country knowledge flows in virtualization technologies: Patent citation network 虚拟化技术的国家间知识流动:专利引文网络
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983297
H. Jeon, Bhumcheol Lee
{"title":"Inter-country knowledge flows in virtualization technologies: Patent citation network","authors":"H. Jeon, Bhumcheol Lee","doi":"10.1109/ICTC.2014.6983297","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983297","url":null,"abstract":"Recently, virtualization has come into the spotlight as a fundamental enabler of cloud computing. This paper examines characteristics of knowledge diffusion among countries in the virtualization technology to understand the exploration and extension of the virtualization technology. In this paper, patents and their citations are utilized as proxies to measure the transfer of knowledge.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114386453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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