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

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Sleeve monopole antenna for CA and MIMO on TV white space system 用于电视白色空间系统中CA和MIMO的套筒单极天线
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983255
Jungsun Um, Hoiyoon Jung, Sang-Wu Kim, Seungkeun Park
{"title":"Sleeve monopole antenna for CA and MIMO on TV white space system","authors":"Jungsun Um, Hoiyoon Jung, Sang-Wu Kim, Seungkeun Park","doi":"10.1109/ICTC.2014.6983255","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983255","url":null,"abstract":"In the era of data explosion and shortage of frequency resources, sharing of under-utilized spectrum is promising solution to improve spectral efficiency by using cognitive radio technologies. Various studies and feasibility tests on application of UHF TV band have been performed. This paper introduces a monopole antenna for a CR test-bed operating on TV white space.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"1 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":"121901662","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
Massive multi-user MIMO with DFT spreading for antenna mutual coupling and interference 大规模多用户MIMO与DFT扩展天线互耦和干扰
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983298
Haesik Kim
{"title":"Massive multi-user MIMO with DFT spreading for antenna mutual coupling and interference","authors":"Haesik Kim","doi":"10.1109/ICTC.2014.6983298","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983298","url":null,"abstract":"A massive MIMO technique uses more than 100 antennas. According to several recent results, it can increase 10 times or more channel capacity than a conventional MIMO system with small number of antennas. However, one critical problem of this system is that it should overcome channel correlations such as spatial correlation and antenna mutual coupling. In order to overcome these problems, a new massive multi-user MIMO (MU-MIMO) with Discrete Fourier Transform (DFT) spreading is proposed. The proposed scheme includes additional DFT/IDFT block and distributes symbols into large size MIMO antennas. When some antennas of a massive MIMO are mutually coupled or interferences occur, the corrupted symbols are distributed in different domain by DFT spreading. It is shown with simulation that the proposed scheme obtains significant performance improvement under the given simulation configuration.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"187 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":"122055878","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
Evaluation of available channel quality for secondary usage in cognitive radio networks 认知无线网络中二次使用可用信道质量的评估
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983311
M. J. Piran, Amjad Ali, Doohyun Lee, D. Suh
{"title":"Evaluation of available channel quality for secondary usage in cognitive radio networks","authors":"M. J. Piran, Amjad Ali, Doohyun Lee, D. Suh","doi":"10.1109/ICTC.2014.6983311","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983311","url":null,"abstract":"Interference mitigation is the most important concern in cognitive radio networks because of exclusive usage right of incumbents on licensed bands. However, to alleviate the issue of spectrum scarcity, secondary users also are allowed to capture the licensed bands in an opportunistic manner without any harmful interference to the primary users. In this paper, we try to rank the available spectrum bands and calculate idle and busy time of licensed channels for secondary usage in order to save precious network resources.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"9 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":"122077009","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
A reroute method to recover fast from network failure 从网络故障中快速恢复的重路由方法
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983329
Y. Harada, Wang Hui, Y. Fukushima, T. Yokohira
{"title":"A reroute method to recover fast from network failure","authors":"Y. Harada, Wang Hui, Y. Fukushima, T. Yokohira","doi":"10.1109/ICTC.2014.6983329","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983329","url":null,"abstract":"The demand for high Internet availability has increased. As routing methods to recover fast from a single network component (link or node) failure, methods using multiple routing tables have been proposed. In the methods, when a component failure occurs, packets which are supposed to pass through the component in the failure-free state are rerouted using a routing table (backup table) which does not use the component for packet forwarding. Thus, it is important to decrease the increased routing cost (for example, the number of increased hops of rerouted packets if every link cost is one) due to the reroute as much as possible. In this paper, we propose a new routing method to decrease the increased routing cost. In the conventional methods, there are many components that do not fail but are not used for packet forwarding in a backup table. In our proposed method, we use such components as much as possible, and consequently we try to decrease the increased routing cost. Numerical examples show the effectiveness of our proposed method.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"4 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":"129787648","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: 12
Method for transmitting data in heterogeneous network 在异构网络中传输数据的方法
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983245
Sung-Woo Choi, I. Kim, Jaemin Ahn
{"title":"Method for transmitting data in heterogeneous network","authors":"Sung-Woo Choi, I. Kim, Jaemin Ahn","doi":"10.1109/ICTC.2014.6983245","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983245","url":null,"abstract":"A new communication architecture between terminals in different small cell in heterogeneous network is suggested. The process of data communication between terminals in different small cell is difficult and a little cumbersome. To cope with this inefficiency, we propose to adopt handover based data transfer. If a terminal in a small cell can communicate with a neighbor cell that has target terminal, the source terminal does handover to target small cell and transmits data to small base station in uplink. And in next step, the small base station transmits data to target terminal in downlink. By using proposed method, we can reduce the data congestion of macro cell and attain the growing throughput of entire macro cell.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"1 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":"128730985","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
A study on the vehicular wireless base-station for in-vehicle wireless sensor network system 车载无线传感器网络系统车载无线基站的研究
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983225
D. Yun, Seung-Jun Lee, Do Hyun Kim
{"title":"A study on the vehicular wireless base-station for in-vehicle wireless sensor network system","authors":"D. Yun, Seung-Jun Lee, Do Hyun Kim","doi":"10.1109/ICTC.2014.6983225","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983225","url":null,"abstract":"In this paper, we study on the vehicular wireless basestation for in-vehicle wireless sensor network system. We introduce in-vehicle wireless sensor network system applying wireless sensor network technologies. The in-vehicle wireless sensor network system greatly consists of the vehicular wireless base-station, vehicular wireless sensor nodes, and wireless OBD (On-Board Diagnostics) module. Here, we describe the vehicular wireless base-station as sub-system of in-vehicle wireless sensor network system. The vehicular wireless base-station carries out roles which process ECU (Electronics Control Unit) information obtained from wireless OBD module and sensor information received from a number of vehicular wireless sensor nodes.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"1 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":"129540284","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
Opportunistic scheduling for OFDMA networks with mobile relay stations 带有移动中继站的OFDMA网络的机会调度
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983168
Jee-hun Song, Hee-Tae Roh, Jang-Won Lee
{"title":"Opportunistic scheduling for OFDMA networks with mobile relay stations","authors":"Jee-hun Song, Hee-Tae Roh, Jang-Won Lee","doi":"10.1109/ICTC.2014.6983168","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983168","url":null,"abstract":"To improve the spectral efficiency and extend the coverage of next-generation cellular networks, several technologies are proposed, and one of such technologies is mobile relay stations (MRSs). In the system with MRSs, some of mobile stations (MSs) can act as relay stations (RSs) that forward other MSs data from/to the base station (BS). Compared with the fixed RSs, MRSs have several advantages such as low deployment costs and high flexibility. In this paper, we study an opportunistic subchannel scheduling in orthogonal frequency division multiple access (OFDMA) cellular networks with MRSs. We formulate a stochastic optimization problem to maximize the sum-rate of the system with MRSs while satisfying the minimum average data rate requirement for each MS, and then develop an optimal opportunistic subchannel scheduling algorithm by solving it. Through simulation results, we show the performances of our algorithm.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"43 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":"124036118","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
The business model and platform strategy of social TV: A case study 社交电视的商业模式和平台战略:个案研究
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983307
Youngseog Yoon, Hangjung Zo
{"title":"The business model and platform strategy of social TV: A case study","authors":"Youngseog Yoon, Hangjung Zo","doi":"10.1109/ICTC.2014.6983307","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983307","url":null,"abstract":"Social TV has been rapidly developing in recent years. However, it has not been discussed how to connect social interactions among users to business models. This study conducts a single case study of social TV, namely Afreeca TV. Not only watching but operating broadcasting channels are allowed in Afreeca TV. It differs in terms of providing strong monetary incentives for users to operate personal channels. It generates revenue from selling gift items, which are used for viewers to give presents to broadcasting jockeys. Based on this case, the current study suggests insightful propositions for the Internet media enterprises.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"68 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113970163","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
VIM-SUMA: Virtual infrastructure management-software defined unified monitoring agent VIM-SUMA:虚拟基础设施管理软件定义的统一监控代理
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983097
T. Choi, Chunglae Cho, Saehoon Kang, Sunhee Yang
{"title":"VIM-SUMA: Virtual infrastructure management-software defined unified monitoring agent","authors":"T. Choi, Chunglae Cho, Saehoon Kang, Sunhee Yang","doi":"10.1109/ICTC.2014.6983097","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983097","url":null,"abstract":"Providing the programmable control interfaces, Software-Defined Network (SDN) enables agile network traffic control and configuration as well as shortens the network function deployment time. Despite the projected benefits of SDN, the abstractions toward the remote and centralized control tend to impose excessive control traffic overheads in order for the controller to acquire the global network visibility as well as to extend the legacy network's inaccurate and unreliable management problems into the control plane. To address such complex management problems, efficient and intelligent traffic and resource monitoring is an essential function. In this paper, we propose an intelligent traffic and resource monitoring middle-box called Virtual Infrastructure Management - Software-defined Unified Monitoring Agent (VIM-SUMA). It assists to build a scalable, reliable, and efficient SDN architecture by providing intelligent management abstraction and filtering layer. We present design, implementation, and evaluation results of VIM-SUMA.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"37 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":"121960895","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
Cyber incident forensics as a forward lean security 网络事故取证作为一种向前精益安全
2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI: 10.1109/ICTC.2014.6983317
Jooyoung Lee
{"title":"Cyber incident forensics as a forward lean security","authors":"Jooyoung Lee","doi":"10.1109/ICTC.2014.6983317","DOIUrl":"https://doi.org/10.1109/ICTC.2014.6983317","url":null,"abstract":"Recently, cyber space is regarded as the second real world connected in real time. Accordingly, the issue related security and incident respond is being magnified in most of ICT dependent industries. However, it's rarely impossible for organizations to perfectly defend cyber-attacks with legacy security solutions. This problem is bringing new challenges to the ICT industries. In this paper, we describe why and how the ICT industries should deal with this problem. And then, we introduce the concept of cyber incident forensics and propose the design of cyber incident forensic system.","PeriodicalId":299228,"journal":{"name":"2014 International Conference on Information and Communication Technology Convergence (ICTC)","volume":"55 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":"131460067","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
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