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2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)最新文献

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Behavioral pattern mining in web based educational systems 基于web的教育系统行为模式挖掘
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314076
Sanda Dragos, Diana Halita, C. Săcărea
{"title":"Behavioral pattern mining in web based educational systems","authors":"Sanda Dragos, Diana Halita, C. Săcărea","doi":"10.1109/SOFTCOM.2015.7314076","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314076","url":null,"abstract":"This paper presents a variety of methods that we have used and published along the years in order to investigate users behavioral patterns within e-learning systems. We have used both quantitative and qualitative methods, each offering a different level of insight. In this paper we would like to present how an investigation can benefit from using all of those methods. We start by using quantitative methods that provide us an overall perspective, from which we can focus on specific segments of data that represent points of interest on which we apply qualitative methods that provide a more detailed perspective. Therefore, we begin our evaluation by using web analytics and advance towards the state of the art concept data analysis methods, like Formal Concept Analysis. The investigation has been conducted on a locally developed e-learning platform called PULSE. However, these methods can be applied to any other e-learning platform.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122491678","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
Service Mediation in multihop Bluetooth Low Energy networks based on NDN approach 基于NDN方法的多跳低功耗蓝牙网络业务中介
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314123
A. Balogh, S. Imre, Károly Lendvai, S. Szabó
{"title":"Service Mediation in multihop Bluetooth Low Energy networks based on NDN approach","authors":"A. Balogh, S. Imre, Károly Lendvai, S. Szabó","doi":"10.1109/SOFTCOM.2015.7314123","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314123","url":null,"abstract":"The 4.1 version of Bluetooth Low Energy (BLE) specification introduced the support of scatternet topology. As a result, the range limit of the technology is no more present, which enables the creation of extensive, and complex network applications. However the modifications were done only in the lower layers, leaving the Attribute Protocol (ATT), and the Generic Attribute Profile (GATT) layers untouched, which is a significant drawback in the development of multihop network applications. In this paper the concept of Service Mediation is introduced, that is based on Named Data Networking (NDN) approach, and not only holds the solution of this problem within, but also shows great potential to create intelligent, automatic and teachable networks and applications. The experimental development and the preliminary validation tests showed satisfactory results also, which enables the approach to be used in real-world environments.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133694015","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: 9
Wireless communication to monitor the rotating electrical machines 无线通信监控旋转电机
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314130
S. B. Brahim, R. Bouallègue, J. David, T. Vuong
{"title":"Wireless communication to monitor the rotating electrical machines","authors":"S. B. Brahim, R. Bouallègue, J. David, T. Vuong","doi":"10.1109/SOFTCOM.2015.7314130","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314130","url":null,"abstract":"Electrical machine monitoring is important to protect motor from unexpected problems. Today, using wireless communication for electrical machines is interesting for both real time monitoring and diagnosis purposes. In this paper, our contribution is to study a new technique to monitor the rotating electrical machines using wireless communication IEEE 802.11. The protocol IEEE 802.11 is recommended for this type of applications because it provides a faster connection and better security. Using the application of wireless communication to monitor the rotating electrical machines is not self-evident, as the ElectroMagnetic Compatibility (EMC) problem between devices isn't necessarily guaranteed. So, a study of the electromagnetic field to obtain a good reliability for wireless communication is crucial. This paper studies the effect of the rotating electrical machine flux. This study, based on Finite Element Method (FEM) offers much more information on the phenomena characterizing the operation of electrical machines. Finally, the experimental results of rotating component are built to validate the feasibility of the proposed system and to study electromagnetic wave propagation characteristics of both stationary and rotating transmitter inside and outside electrical machine.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134409598","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: 9
Implementation of method for generating concept map from unstructured text in the Croatian language 实现了从克罗地亚语的非结构化文本生成概念图的方法
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314098
Krunoslav Zubrinic, Ines Obradovic, Tomo Sjekavica
{"title":"Implementation of method for generating concept map from unstructured text in the Croatian language","authors":"Krunoslav Zubrinic, Ines Obradovic, Tomo Sjekavica","doi":"10.1109/SOFTCOM.2015.7314098","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314098","url":null,"abstract":"This paper describes implementation and evaluation of a method for automatic creation of concept map from unstructured text written in the Croatian language. The method combines statistical and data mining techniques with domain thesaurus and tools specific for linguistic analysis of the Croatian language. We created concept maps from legal documents in the field of science, education and technology and evaluated the content of created concept maps comparing them with manually created summaries. Obtained results confirmed that using the described method, it is possible to create concept maps from documents in a specific area, and those maps illustrate the contents of the source documents well.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125149210","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
2.4 GHz micro-strip patch antenna array with suppressed sidelobes 抑制副瓣的2.4 GHz微带贴片天线阵列
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314057
Haris Hadzic, Wally Verzotti, Z. Blažević, Maja Skiljo
{"title":"2.4 GHz micro-strip patch antenna array with suppressed sidelobes","authors":"Haris Hadzic, Wally Verzotti, Z. Blažević, Maja Skiljo","doi":"10.1109/SOFTCOM.2015.7314057","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314057","url":null,"abstract":"In this paper, we present the design and simulated results for a patch antenna array at 2.4 GHz. The antenna consists of one linear array with six series-fed patch antennas. In radar and smart-antenna applications it is very important to use antennas with high gain and low sidelobes in order to avoid the interference and to increase the gain of antenna array. The aim of this research is to design an antenna array that has suppressed sidelobes as much as possible in azimuth by using Kaiser-Bessel amplitude coefficients. Our designed antenna has a gain of 15.1 dB with an angular width of 14.6° at a frequency of 2.4 GHz. The measured 10 dB return loss bandwidth equals 18.7 MHz. Patch antenna array is analyzed using CST MICROWAVE STUDIO 2014.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126979411","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
Optimization of energy efficiency in radio communication networks using adaptive multicarrier techniques 利用自适应多载波技术优化无线电通信网络的能量效率
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314111
Bartosz Bossy, H. Bogucka
{"title":"Optimization of energy efficiency in radio communication networks using adaptive multicarrier techniques","authors":"Bartosz Bossy, H. Bogucka","doi":"10.1109/SOFTCOM.2015.7314111","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314111","url":null,"abstract":"In this paper, the energy efficiency (EE) of a radio communication network of nodes applying highly adaptive multicarrier techniques is analyzed. The link and the network models include power consumption of the baseband processing, such as adaptive modulation and coding and adaptive decoding. Simulation results show that there exists an optimal operation point for each link to maximize the EE of the whole network.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121143126","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
An approach to wireless sensor network design in home environment using ZigBee protocol 一种基于ZigBee协议的家庭环境无线传感器网络设计方法
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314066
S. Kasapovic, Elvis Doric, L. Banjanović-Mehmedović
{"title":"An approach to wireless sensor network design in home environment using ZigBee protocol","authors":"S. Kasapovic, Elvis Doric, L. Banjanović-Mehmedović","doi":"10.1109/SOFTCOM.2015.7314066","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314066","url":null,"abstract":"Although wireless sensor networks (WSN) are mainly designed for gathering information and measuring environmental parameters, they can be effectively used to control and manage the electrical devices in the house. Thus, they become part of an intelligent and autonomous environments that can take part of the obligation of the tenant in the house. By combining the WSN with other networks such as the Internet or mobile phone network, ZigBee networks receive full functionality and the ability of remote monitoring and control. This paper describes an example of the design of wireless networks with Xbee module and its application in home use. The achieved tasks of the network that was implemented through this paper are: measuring the temperature of home area, automatic and manual control of individual actuator nodes and ZigBee network connectivity with other networks, storage and graphical representation of measured values.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127257855","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
Transient departure process in M/G/1/K-type queue with threshold server's waking up 具有阈值服务器唤醒的M/G/1/ k型队列中的瞬态离开过程
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314127
W. Kempa, Dariusz Kurzyk
{"title":"Transient departure process in M/G/1/K-type queue with threshold server's waking up","authors":"W. Kempa, Dariusz Kurzyk","doi":"10.1109/SOFTCOM.2015.7314127","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314127","url":null,"abstract":"Time-dependent behavior of departure process in a finite-buffer M/G/1/K-type queueing system with threshold server's waking up is analysed. After each idle time a new busy period is being initialized simultaneously with the Nth arrival occurrence, where the threshold value N is fixed. By applying the approach being a mixture of different theoretical techniques: the idea of embedded Markov chain, Volterra type integral equations, continuous total probability law, renewal theory and linear algebra, a closed-form formula for the mixed double transform (probability generating function of Laplace transform) of the probability distribution of the number of packets completely processed up to fixed time t is derived. The considered queueing system can be used in modeling the operation of a wireless sensor network (WSN) with power saving mechanism based on “queued” waking up of radio transmitters/receivers of nodes (sensors). An illustrating numerical example for a hypothetical network traffic is attached as well.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114923921","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
Design and development of compact UHF RFID reader using SD interface 基于SD接口的小型超高频RFID读写器的设计与开发
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314082
Seongsoo Park, Jaehwang Yu
{"title":"Design and development of compact UHF RFID reader using SD interface","authors":"Seongsoo Park, Jaehwang Yu","doi":"10.1109/SOFTCOM.2015.7314082","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314082","url":null,"abstract":"In this study, we developed UHF RFID reader on microSD which can be inserted into external memory on smartphone. A RFID application on smartphone controls RFID reader on microSD card and acquires information from RFID tag via SD interface which mainly uses the external memory. We applied flexible antenna to UHF RFID reader on microSD to guarantee tagging performance within few centimeters. The UHF RFID reader on microSD card which implemented in this research can utilizes development of new smartphone service base on individual item tagging, and provides advantage which expands B2B application to B2C application area.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134355712","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 novel mobility-based COMP handover algorithm for LTE-A / 5G HetNets 基于移动性的LTE-A / 5G HetNets COMP切换算法
2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM) Pub Date : 2015-11-02 DOI: 10.1109/SOFTCOM.2015.7314062
M. Boujelben, S. Rejeb, S. Tabbane
{"title":"A novel mobility-based COMP handover algorithm for LTE-A / 5G HetNets","authors":"M. Boujelben, S. Rejeb, S. Tabbane","doi":"10.1109/SOFTCOM.2015.7314062","DOIUrl":"https://doi.org/10.1109/SOFTCOM.2015.7314062","url":null,"abstract":"Inter cell interference is one of the most serious problems in LTE-Advanced networks and beyond (5G). This issue is the direct result of two major features: the frequency reuse factor equal to one and the heterogeneous deployment of networks (HetNets). Many solutions have been proposed by the 3GPP project since its early Release 8 in order to mitigate interference. The most recent one is Coordinated Multi Point (CoMP) which implies that a set of transmit points provide coordinated transmission in the downlink. However, this is not possible during Handover scenarios since LTE-Advanced networks and beyond implement hard handover which requires a single connection for each user at any time. In this paper, we propose a new Handover algorithm based on CoMP joint transmission scheme in order to minimize the Inter Cell Interference (ICI). Performance evaluation results show that our proposed algorithm considerably reduces the ICI level and enhances the average throughput per user during Handover.","PeriodicalId":264787,"journal":{"name":"2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133234085","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: 17
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