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End-to-end quality aware optimization for multimedia clouds 多媒体云的端到端质量感知优化
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-08-25 DOI: 10.1109/TEMU.2016.7551931
Dimitris Athanasopoulos, I. Politis, Asimakis Lykourgiotis, C. Tselios, T. Dagiuklas
{"title":"End-to-end quality aware optimization for multimedia clouds","authors":"Dimitris Athanasopoulos, I. Politis, Asimakis Lykourgiotis, C. Tselios, T. Dagiuklas","doi":"10.1109/TEMU.2016.7551931","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551931","url":null,"abstract":"This article presents a novel, end-to-end, quality-aware optimization framework for multimedia clouds, where path selection mechanisms are exploited in conjunction with media optimization in order to support multimedia delivery in a quality-aware manner. As wireless data traffic worldwide is characterized by exponential growth, with the most prominent part being multimedia services, consumers get in the challenging position to compete for the limited wireless network resources. Cloud technologies and especially Software-Defined Networking is the perfect candidate technology in order to provide an elastic, dynamic provisioning of network resources that adapt to a highly changing environment, where application requirements and data volumes vary over time. This work combines the selection of the optimum path in the core network with quality-aware media adaptation based on the current conditions of the wireless access network. Thus the proposed framework achieves efficient network resources utilization in an end-to-end fashion.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124952522","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: 6
Radar measurements with remote control software 雷达测量与远程控制软件
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-08-25 DOI: 10.1109/TEMU.2016.7551909
Kalliopi G. Pantelaki, D. Stratakis, E. Pallis, S. Miclaus, Z. Zaharis, T. Xenos
{"title":"Radar measurements with remote control software","authors":"Kalliopi G. Pantelaki, D. Stratakis, E. Pallis, S. Miclaus, Z. Zaharis, T. Xenos","doi":"10.1109/TEMU.2016.7551909","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551909","url":null,"abstract":"The great development of wireless communication technology has caused much concern about the possible adverse effects of electromagnetic field exposure on human health. A special type of such emissions is the rotating pulsed signals, such as civil aviation approach Radars, often situated close to residential areas. This paper describes a dedicated remote control software developed in order to automate the measurement procedures together with the evaluation of the relevant electromagnetic radiation. The great benefit of this software is that random errors caused by the personnel employed in the measurement procedure are avoided. The remote communication with the measurement system consists of a traditional spectrum analyzer (SA) and a rotating dipole antenna, whereas the post processing of the measurement data is done using two Graphical User Interfaces (GUI) developed in MATLAB. The setup of the SA is performed using Standard Commands for Programmable Instruments and Virtual Instrument Software Architecture.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128996733","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
Schedulers for MPEG-DASH compliant multi-view video over LTE 调度程序的MPEG-DASH兼容的多视图视频在LTE
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-08-25 DOI: 10.1109/TEMU.2016.7551910
Gilbert Savona, C. J. Debono
{"title":"Schedulers for MPEG-DASH compliant multi-view video over LTE","authors":"Gilbert Savona, C. J. Debono","doi":"10.1109/TEMU.2016.7551910","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551910","url":null,"abstract":"Higher data rates offered by Long Term Evolution (LTE) networks, better displays, and core architectures on mobile devices, provide the technology for transmission of multiview video (MVV) services. The high bandwidth required could be somewhat alleviated through high efficiency video coding, but this does not guarantee that quality of service (QoS) thresholds are met. To help with the varying network conditions of cellular environments, adaptive bitrate (ABR) solutions in an Over-The-Top (OTT) fashion provide a possible solution. This paper focuses on the medium access control (MAC) scheduler for transmission of MVV content over an LTE network. MPEG-DASH's features are considered as the basis of the ABR solution. Simulation results show reduced packet losses and increased numbers in concurrent users, compared to a non-ABR solution. Moreover, to improve the video quality, each main view was prioritized through the Evolved Packet System (EPS) bearer to better protect this content and its decodability.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127755007","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
Experiential educational environments for cultural heritage 文化遗产体验式教育环境
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-07-25 DOI: 10.1109/TEMU.2016.7551907
M. Kalochristianakis, Helen Vonorta, Andreas Stamoulias, Eftixia Lakka, Kostas Kontakis, A. Malamos
{"title":"Experiential educational environments for cultural heritage","authors":"M. Kalochristianakis, Helen Vonorta, Andreas Stamoulias, Eftixia Lakka, Kostas Kontakis, A. Malamos","doi":"10.1109/TEMU.2016.7551907","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551907","url":null,"abstract":"Recent advances in multimedia, presentation technologies, graphics and open source have triggered the possible applications of technology as well as the spawn of innovation. As far as Crete is concerned there have been a lot of applications that take advantage multimedia and middleware architectures in order to build innovative services for museums and cultural heritage bodies. The current paper documents the work undertaken by the Multimedia and Content lab of Technological Educational Institute of Crete in order to create an innovative platform for the deployment of educational activities in Museums using the internet, and modern three dimensional technologies for smart devices.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126099388","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
Mode dispersion of optical waveguides with complex refractive index profile using equivalent TL circuits 利用等效TL电路研究复折射率光波导的模色散
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-07-25 DOI: 10.1109/TEMU.2016.7551922
A. Boucouvalas, Kostas Angelis
{"title":"Mode dispersion of optical waveguides with complex refractive index profile using equivalent TL circuits","authors":"A. Boucouvalas, Kostas Angelis","doi":"10.1109/TEMU.2016.7551922","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551922","url":null,"abstract":"An analysis leading to an exact and efficient algorithm is presented for calculating directly and without numerical differentiation the mode dispersion characteristics of cylindrical dielectric waveguides of arbitrary complex refractive-index profile. The new algorithm is based on the equivalent transmission-line (T-L) technique. From Maxwell's equations, we derive an equivalent T-L circuit for a cylindrical dielectric waveguide. Based on the TL-circuit model we derive exact analytic formulas for a recursive algorithm which allows direct calculation of mode delay and dispersion. We demonstrate this technique by calculating the fundamental mode dispersion for step, triangular and W optical fiber refractive index profiles. The accuracy of the numerical results is also examined. The proposed algorithm computes dispersion directly from the propagation constant without the need for curve fitting and subsequent successive numerical differentiation. In the end, we “design” for first time a triangular refractive index profile fiber with flat complex refractive index which performs extremely low rms-value of dispersion, under 0.08 ps/(km nm), over the wavelength range [1.3 μm, 1.55 μm].","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123216393","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
Improvement of performance of EIGRP network by using a supervisory controller with smart congestion avoidance algorithm 采用带有智能拥塞避免算法的监控控制器改进EIGRP网络的性能
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-07-25 DOI: 10.1109/TEMU.2016.7551925
Hasanein Hasan, J. Cosmas, Z. Zaharis, P. Lazaridis, Sinan A. Khwandah
{"title":"Improvement of performance of EIGRP network by using a supervisory controller with smart congestion avoidance algorithm","authors":"Hasanein Hasan, J. Cosmas, Z. Zaharis, P. Lazaridis, Sinan A. Khwandah","doi":"10.1109/TEMU.2016.7551925","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551925","url":null,"abstract":"The aim of this research is to enhance the performance of a traditional Enhanced Interior Gateway Routing Protocol (EIGRP) network by adding some features of the Software Defined Networking (SDN) in a modified approach to improve some network's performance metrics like link congestion and packet loss. The improvement of those metrics leads to an improvement in the total throughput of the network. This approach results in a network that contains an intelligent dynamic supervisory corrector controller, which is capable of detecting the location of a congestion that may take place before or at the brink of its occurrence and dealing with selected flows on selected routers across the network in a way that prevents the congestion by using a smart heuristic congestion avoidance and routing algorithm thereby reducing the generation of control messages as much as possible.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116864885","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
Disentangling the drivers of brand benefits: Evidence from social media marketing of two cosmetics companies 拆解品牌利益的驱动因素:来自两家化妆品公司社交媒体营销的证据
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-07-25 DOI: 10.1109/TEMU.2016.7551939
Constantinos K. Coursaris, W. V. Osch
{"title":"Disentangling the drivers of brand benefits: Evidence from social media marketing of two cosmetics companies","authors":"Constantinos K. Coursaris, W. V. Osch","doi":"10.1109/TEMU.2016.7551939","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551939","url":null,"abstract":"This paper explores the effect of brand social media messaging content (news, dialog, or contests) on perceived benefits (informational, social or hedonic) and consequent consumer brand engagement and purchase intentions in the context of two cosmetics companies. The primary goal of this study is to understand if (i) different content types result in different perceptions of brand benefits and (ii) if these distinct types of perceived benefits differentially affect the engagement intention, loyalty, and purchase intention toward the brand. Our findings suggest that distinct content types indeed lead to diverse perceptions of benefits - informational, social, or hedonic - and further highlight that only social and hedonic benefits are significantly associated with self-reported brand loyalty as well as engagement and purchase intention. Implications for research and practice.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116618364","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
HOLISTIC: An IoT system for residential water recycling based on open source technologies 整体:基于开源技术的住宅水循环物联网系统
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-07-25 DOI: 10.1109/TEMU.2016.7551940
M. Kalochristianakis, Dimitris Katrinakis, Georgia Atsali, A. Malamos, Thrasyvoulos Manios, S. Panagiotakis
{"title":"HOLISTIC: An IoT system for residential water recycling based on open source technologies","authors":"M. Kalochristianakis, Dimitris Katrinakis, Georgia Atsali, A. Malamos, Thrasyvoulos Manios, S. Panagiotakis","doi":"10.1109/TEMU.2016.7551940","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551940","url":null,"abstract":"This paper presents the design and implementation of a novel IT system that aims to monitor, control and manage residential water infrastructures. Even though reusing water and environmental resources has been a hot matter during the last years, there have been few cases where relative and innovative technologies have been applied. More specifically, the system can manage water flows coming from any source in the complex of building and redirect them to tanks or consumption points. The system may thus maximize water recycling and minimize costs for water and also offer recycling automation and policies for individual parts of residential complexes.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113942352","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: 6
Deploying a content delivery service function chain on an SDN-NFV operator infrastructure 在SDN-NFV运营商基础设施上部署内容交付服务功能链
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-07-25 DOI: 10.1109/TEMU.2016.7551917
Nicolas Herbaut, D. Négru, D. Magoni, P. A. Frangoudis
{"title":"Deploying a content delivery service function chain on an SDN-NFV operator infrastructure","authors":"Nicolas Herbaut, D. Négru, D. Magoni, P. A. Frangoudis","doi":"10.1109/TEMU.2016.7551917","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551917","url":null,"abstract":"Increasing over-the-top video consumption makes the delivery of content unsustainable in the current Internet. The Internet Service Providers (ISP) have a hard time competing on value-added services with content providers and content delivery networks (CDN). We propose a new model of collaboration between content delivery actors where CDNs can deploy their software in Internet Service Providers' infrastructures as NFV modules. As the ISP network state has to be kept private, a high-level SLA is used to negotiate both computing resources and connectivity, leaving it up to the ISP to optimize server placement and routes. The contribution of this paper is to formalize this problem as a Service Function Chaining Embedding problem, and to propose an algorithm to optimize the Service Function Chain to improve embedding probability and decrease consumed bandwidth in the process.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"179 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124479525","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
Transmission line and resonance technique in cylindrical fibers of circular asymmetry 圆不对称圆柱光纤中的传输线与共振技术
2016 International Conference on Telecommunications and Multimedia (TEMU) Pub Date : 2016-07-25 DOI: 10.1109/TEMU.2016.7551920
E. Georgantzos, A. Boucouvalas, Christos Papageorgiou
{"title":"Transmission line and resonance technique in cylindrical fibers of circular asymmetry","authors":"E. Georgantzos, A. Boucouvalas, Christos Papageorgiou","doi":"10.1109/TEMU.2016.7551920","DOIUrl":"https://doi.org/10.1109/TEMU.2016.7551920","url":null,"abstract":"The method of the transmission line is been applied to the case of cylindrical fibers whose refractive index is changing not only according to the distance from the core center but also according to the angle on the circle formed by the fiber cross section. The mathematical analysis provides relations that can be used to derive the fiber's mode propagation constants. Results are produced further in the paper and compared to equivalent results from existing methods as measure of accuracy.","PeriodicalId":208224,"journal":{"name":"2016 International Conference on Telecommunications and Multimedia (TEMU)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133597912","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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