2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)最新文献

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A game theoretic approach to the power control in D2D communications underlay cellular networks 基于蜂窝网络的D2D通信功率控制的博弈论方法
Georgios K. Katsinis, Eirini-Eleni Tsiropoulou, S. Papavassiliou
{"title":"A game theoretic approach to the power control in D2D communications underlay cellular networks","authors":"Georgios K. Katsinis, Eirini-Eleni Tsiropoulou, S. Papavassiliou","doi":"10.1109/CAMAD.2014.7033236","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033236","url":null,"abstract":"In this paper the problem of uplink power control in Device to Device communications underlaying a cellular network is addressed. The time and frequency resources of the network are organized into resource blocks according to 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) Advanced specifications. The users of the network can communicate through their serving base station or directly with each other. Irrespective of their mode of communication they may share and compete for the same resource blocks. We model this kind of interaction between the users through a non- cooperative power control game where various and different users' Quality of Service (QoS) requirements are taken into account. We prove the existence of its Nash Equilibrium point in terms of uplink transmission power and a fast heuristic distributed and iterative algorithm is proposed to obtain the game's Nash equilibrium point. Finally, the operational effectiveness of the proposed approach is evaluated through modeling and simulation while its superiority against other power control frameworks in device to device underlay cellular networks in the literature, is illustrated.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122216371","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: 10
On the delay of a throughput optimal flow allocation scheme for random access WMNs 随机接入WMNs吞吐量最优流分配方案的延迟研究
Manolis Ploumidis, N. Pappas, A. Traganitis
{"title":"On the delay of a throughput optimal flow allocation scheme for random access WMNs","authors":"Manolis Ploumidis, N. Pappas, A. Traganitis","doi":"10.1109/CAMAD.2014.7033238","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033238","url":null,"abstract":"In this paper we consider random access wireless mesh networks with multi-packet reception capabilities where multiple flows are forwarded to the gateways through node disjoint paths. We address the issue of aggregate throughput optimal flow rate allocation with bounded delay guarantees for flows exhibiting both intra- and inter-path interference. In our prior work we have suggested a distributed flow allocation scheme that maximizes the average aggregate throughput of all flows also providing bounded delay guarantees. In this work we evaluate this scheme in terms of delay and compare its performance with the following schemes: a scheme that utilizes paths on a round-robin fashion, one that optimally utilizes the best path only and another one that assigns the maximum possible flow on each path. For the evaluation process Ns2 simulations of several random wireless scenarios are employed.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"122 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129470663","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
On quality evaluation of 3D video using Colour-plus-Depth and MDC 基于颜色加深度和MDC的3D视频质量评价
C. Tselios, Charalampos Mysirlidis, I. Politis, T. Dagiuklas, S. Kotsopoulos
{"title":"On quality evaluation of 3D video using Colour-plus-Depth and MDC","authors":"C. Tselios, Charalampos Mysirlidis, I. Politis, T. Dagiuklas, S. Kotsopoulos","doi":"10.1109/CAMAD.2014.7033207","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033207","url":null,"abstract":"This paper presents a quality evaluation of three-dimensional Colour-plus-Depth videos over error prone IP networks and illustrates an overall cloud architecture in which such an evaluation platform may reside. For achieving video transmission both scalable and multiple-description coding techniques are utilized. On evaluating the impact of packet loss to the perceived 3D video quality, asymmetric packet loss was used for characterizing path diversity. Mean Opinion Score (MOS) for the multiple description scheme is affected by both the encoding parameters and the sensed packet loss rate at each 3D description. The effect of 3D video reconstruction through interpolation using a single yet reliably delivered description was compared against using the overall number of delivered descriptions. Throughout this experiment it was found that almost all subjects tend to rate the first group of reconstructed 3D videos with higher scores when the network delivery mechanism undergoes severe packet loss rate conditions.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121558241","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
Utilizing terahertz band for local and personal area wireless communication systems 利用太赫兹频段用于本地和个人区域无线通信系统
T. Yilmaz, Ö. Akan
{"title":"Utilizing terahertz band for local and personal area wireless communication systems","authors":"T. Yilmaz, Ö. Akan","doi":"10.1109/camad.2014.7033260","DOIUrl":"https://doi.org/10.1109/camad.2014.7033260","url":null,"abstract":"User demand on wireless communications is growing every day, however frequency spectrum is a scarce source that cannot infinitely supply the ever-increasing communication demand. Most of the research activities addressing this problem have traditionally been focused on spectral efficiency improvement and signalling overhead minimization efforts, therefore improvement in these domains is tougher than ever. The other main method for throughput enhancement is increasing the operation frequency, and towards this end, the utilization of terahertz band for the next-generation of wireless communications systems is investigated in this paper. Following a general overview, an indoor computer simulation is set up to reveal both the feasibility and advantages of THz band compared to the currently used frequency spectrum. The results show that, peak data rates on the order of 10 Gb/s is possible over low-THz band; however, there are hindering issues such as coverage area and low-cost device availability.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126955044","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
Fast power charging strategy for EV/PHEV in parking campus with deployment of renewable energy 基于可再生能源部署的停车场电动汽车/插电式混合动力汽车快速充电策略
Qi Wang, I. S. Bayram, F. Granelli, M. Devetsikiotis
{"title":"Fast power charging strategy for EV/PHEV in parking campus with deployment of renewable energy","authors":"Qi Wang, I. S. Bayram, F. Granelli, M. Devetsikiotis","doi":"10.1109/CAMAD.2014.7033268","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033268","url":null,"abstract":"Electric Vehicles (EV) and Plug-in Hybrid Electric Vehicles (PHEV) are being considered as aspirant competitors of traditional fuel engine vehicles and more attractive goods to consumers in recent years. The current power grid is being challenged by the increasing power demand from ordinary power supply and extract demand of developing power charging stations for EV/PHEV. The architecture and efficient operation of fast power charging stations is becoming a popular research topic both in academia and industry. In this paper, we introduce a candidate EV/PHEV fast power charging station mechanism, based on the combined power resource of current electrical grid and local renewable energy. As the proposed relevant component, the local renewable energy can become the positive power supplement for reducing the integral demand of charging stations to power grid and slowing down the consumption of nonrenewable natural energy. A quantitative stochastic scheme is established for analyzing the performance of the outlined system via employing arguments from queueing theory and economics, after clean energy is deployed. The results figures show that the integral power demand can be reduced by arranging our mechanism and the win-win benefits can be shared by utilities and power consumers.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114138380","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: 5
Social sensing model and analysis for event detection and estimation with twitter 基于twitter的事件检测与估计的社会感知模型与分析
K. Cepni, Ö. Akan
{"title":"Social sensing model and analysis for event detection and estimation with twitter","authors":"K. Cepni, Ö. Akan","doi":"10.1109/CAMAD.2014.7033200","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033200","url":null,"abstract":"Twitter is an Online Social Networking (OSN) service, in which users instantly share short messages with their followers. Active use of Twitter during major events turns it into a participatory sensor network, where each user acts as a sensor by sharing its observation through Twitter, and the observations may be utilized for estimation of various events. There are several studies on event detection in Twitter, which are primarily based on semantic analysis of collected tweets. To the best of our knowledge, there exists no analytical study on the accuracy of event detection and estimation of event signal with Twitter using observations collected. In this study, a communication theoretical model is developed for tweet propagation, and the accuracy of the estimated signal is explored with mean square error analysis. The results indicate that, in addition to user observations and network conditions, the accuracy of the estimation is also affected by user behavior patterns.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131625804","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
Predicting and quantifying the technical debt in cloud software engineering 预测和量化云软件工程中的技术债务
Georgios Skourletopoulos, C. Mavromoustakis, R. Bahsoon, G. Mastorakis, E. Pallis
{"title":"Predicting and quantifying the technical debt in cloud software engineering","authors":"Georgios Skourletopoulos, C. Mavromoustakis, R. Bahsoon, G. Mastorakis, E. Pallis","doi":"10.1109/CAMAD.2014.7033201","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033201","url":null,"abstract":"Identifying and managing effectively the Technical Debt has become an issue of great importance over recent years. In cloud marketplaces, where the cloud services can be leased, the difficulty to promptly predict and manage the Technical Debt has a significant impact. In this paper, we examine the Technical Debt, which stems from budget constraints during the software development process as well as the capacity of a cloud service. In this context, the budget and the cloud service selection decisions may introduce Technical Debt. Towards reaching a conclusion, two approaches are taken into consideration. Initially, a cost estimation approach is researched, which is related to implementing Software as a Service (SaaS) in the cloud for three scenarios aiming to predict the incurrence of the Technical Debt in the future. The Constructive Cost Model (COCOMO) is exploited, in order to estimate the implementation cost and define a range of secureness. In addition, a Technical Debt quantification approach is adopted, which is associated with leasing a cloud Software as a Service (SaaS), towards indicating the most appropriate cloud service to be selected.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"393 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131645470","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: 33
How much overhead is required for stable group formation in VANETs? 在VANETs中稳定的群形成需要多少开销?
V. Sucasas, A. Radwan, Hugo Marques, Jonathan Rodriguez, S. Vahid, R. Tafazolli
{"title":"How much overhead is required for stable group formation in VANETs?","authors":"V. Sucasas, A. Radwan, Hugo Marques, Jonathan Rodriguez, S. Vahid, R. Tafazolli","doi":"10.1109/CAMAD.2014.7033198","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033198","url":null,"abstract":"On-road-communications are increasing in relevance, due to the variety of applications for traffic management systems (TMS) and road safety. This interest is enforcing relevant efforts from research community and standardization bodies to support V2V (vehicle to vehicle) and V2I (vehicle to infrastructure) communications. In this framework, an hybrid approach between IEEE 802.11p standard together with LTE is becoming the current state-of-the-art solution to provide the required QoS in vehicular communications. In this direction, several research efforts propose, as a fundamental basis, the formation of virtual groups of vehicles that communicate with 802.11p for V2V and use LTE for V2I transmissions. In this paper we focus on the feasibility and efficiency of forming these mobile groups. We provide simulation and analytical results that show that it is possible to maintain stable connected groups of vehicles at high speeds by increasing the periodicity of control message exchange. Interference in the control channel is the only limitation in this scenario. On the other hand, it is still possible to maintain connected groups of vehicles with low overheads if part of the vehicles, the less stable ones, are disconnected from the groups. These two results are obtained analytically and by simulations in ns-2. The paper also evaluates the effects of the obtained results on the energy efficiency of the system.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"214 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114847127","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 Rapid Emergency Deployment mobile communication node 快速应急部署移动通信节点
Ioannis G. Askoxylakis, Antonis Makrogiannakis, A. Miaoudakis, Stefanos Papadakis, N. Petroulakis, M. Surligas, A. Traganitis, Nikolaos Vervelakis
{"title":"A Rapid Emergency Deployment mobile communication node","authors":"Ioannis G. Askoxylakis, Antonis Makrogiannakis, A. Miaoudakis, Stefanos Papadakis, N. Petroulakis, M. Surligas, A. Traganitis, Nikolaos Vervelakis","doi":"10.1109/CAMAD.2014.7033252","DOIUrl":"https://doi.org/10.1109/CAMAD.2014.7033252","url":null,"abstract":"In an Emergency and/or Crisis Situations (ECS) like earthquakes, floods, tsunamis, fires, terrorist attacks etc. the adequate operation of communication services is of extreme importance. History has shown that poor communication in such cases resulted in several casualties. In ECS fixed communication infrastructure might be unserviceable due to sustained damages. Evermore, the communication demand is highly increased in such cases resulting in poor quality of service as both civilians and authorities are trying to establish communications. In this paper, a Rapid Emergency Deployment mobile Communication (REDComm) node is presented. REDComm nodes include wireless communication technologies, to provide various telecommunication services in ECS and interoperability between them. It incorporates an 802.11a mesh cognitive radio technology that operates in the television broadcasting frequency bands to provide a backbone networking with increased range and flexibility. REDComm is constructed upon a trailer chassis able to minimize setup time, which is valuable in ECS. The presented platform is powered by a hybrid power source that combines thermal, solar and wind energy and eliminates the need for external power supply.","PeriodicalId":111472,"journal":{"name":"2014 IEEE 19th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","volume":"05 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130482131","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: 7
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