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Proceedings ELMAR-2014最新文献

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LTE cell coverage for various modes of operation LTE蜂窝覆盖各种操作模式
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923317
W. Afric, S. Z. Pilinsky
{"title":"LTE cell coverage for various modes of operation","authors":"W. Afric, S. Z. Pilinsky","doi":"10.1109/ELMAR.2014.6923317","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923317","url":null,"abstract":"The transmission modes at the LTE Air Interface are listed. The model for calculating relative cell area coverage for various transmission modes is derived. Simulation results obtained by usage of typical LTE system features at 800 MHz are presented. Propagation properties that influence LTE signal coverage for various propagation modes are emphasized.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121269703","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
AuGeo: A geolocation-based augmented reality application for vocational geodesy education AuGeo:一种基于地理位置的增强现实应用，用于职业大地测量学教育
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923372
A. Delic, Mirna Domancic, Petra Vujevic, N. Drljević, I. Botički
{"title":"AuGeo: A geolocation-based augmented reality application for vocational geodesy education","authors":"A. Delic, Mirna Domancic, Petra Vujevic, N. Drljević, I. Botički","doi":"10.1109/ELMAR.2014.6923372","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923372","url":null,"abstract":"This paper discusses the possibilities of using augmented reality (AR) in geodesy vocational education through a geolocation-based AR application AuGeo. Augmented reality has been rapidly evolving ever since smart mobile phones became equipped with hardware and software which support AR application development. In educational AR current findings suggest that the best approach to application development is iterative co-design with teachers. That approach is incorporated into design of AuGeo by conducting a teacher focus group interview which is discussed and analyzed in the paper.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126223341","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
High capacity event network planning — Poljud 高容量活动网络规划- Poljud
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923316
T. Pusnik, G. Skok, Ivica Ivandic
{"title":"High capacity event network planning — Poljud","authors":"T. Pusnik, G. Skok, Ivica Ivandic","doi":"10.1109/ELMAR.2014.6923316","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923316","url":null,"abstract":"As the number of smart phone users are rapidly growing the fact is that is necessary to draw up a special design to cover major events such as concerts, sporting events, etc. The design must enable a large number of users to have simultaneous use of mobile technology and meet the growing demands of a new generation smart phone users. This paper present realization of Distributed Antenna System (DAS) for stadium Poljud (Split, Croatia).","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123258162","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
A noise-robust obstacle detection algorithm for mobile robots using active 3D sensors 基于有源三维传感器的移动机器人障碍物检测算法
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923323
A. Claudi, Daniele Accattoli, Paolo Sernani, Paolo Calvaresi, A. Dragoni
{"title":"A noise-robust obstacle detection algorithm for mobile robots using active 3D sensors","authors":"A. Claudi, Daniele Accattoli, Paolo Sernani, Paolo Calvaresi, A. Dragoni","doi":"10.1109/ELMAR.2014.6923323","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923323","url":null,"abstract":"Obstacle detection is one of the most important tasks for mobile robots moving along a plane, and it is critical to avoid damages, either to the robot or to human operators. In the past decades, several techniques were proposed for visual navigation of mobile robots, relying on different kind of sensors and algorithms: sonar sensors, laser stripes, and stereo vision are commonly used techniques. Even if these techniques are well-established and used in commercial robots, different and better sensors are now widespread, such as depth sensors. This work proposes an algorithm based on the use of an active 3D depth sensor for obstacle detection and avoidance. The algorithm, conceived to be used in embedded systems with low processing power, underwent several experiments and proved to be robust to Gaussian white noise.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130566590","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
Protection of computer equipment from power surges 保护计算机设备免受电涌的影响
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923360
Hamza Sehovic, Ž. Jurić
{"title":"Protection of computer equipment from power surges","authors":"Hamza Sehovic, Ž. Jurić","doi":"10.1109/ELMAR.2014.6923360","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923360","url":null,"abstract":"This paper presents some solutions for high-quality, safe and inexpensive overvoltage protection of computer electronic equipment within both the industry and households. The presented solution is partly present in our networks. However, the complete solution is used only in some European countries. This paper describes the advantages and the reasons that suggest the application of such solutions in low voltage networks in Croatia and Bosnia & Herzegovina.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114952357","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
Existing and near future work in CEPT on cognitive radio solutions CEPT在认知无线电解决方案方面的现有和近期工作
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923302
T. Weber
{"title":"Existing and near future work in CEPT on cognitive radio solutions","authors":"T. Weber","doi":"10.1109/ELMAR.2014.6923302","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923302","url":null,"abstract":"This paper informs about the existing and near future work in the CEPT, i.e. 48 European National regulatory authorities, responsible for spectrum management in Europe on cognitive radio (CR) solutions; in particular on the work on regulatory approaches for wireless applications under general authorization regime (i.e. commonly called license exempt); Cognitive techniques need to be analyzed not only from the perspective of the technical feasibility but also from the perspectives of the demand, fit to application and investment requirements, the level of technical complexity involved, and the long term predictability of the spectrum access.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"600 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132087033","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
Overview of the regulatory aspects for the deployment line-of-sight MIMO for fixed links 针对固定链路部署视距MIMO的监管方面概述
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923331
A. Mucalo
{"title":"Overview of the regulatory aspects for the deployment line-of-sight MIMO for fixed links","authors":"A. Mucalo","doi":"10.1109/ELMAR.2014.6923331","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923331","url":null,"abstract":"This paper addresses regulatory issues regarding the deployment of MIMO for fixed microwave links. The concept of Line-of-Sight MIMO uses the spatial separation of radio antennas to create different propagation paths between the same locations and thus allows multiple transmissions over the same radio channel. Combining different antenna schemes provides certain flexibility in designing the system in the “controlled” environment, which makes LOS MIMO a great method for increasing the achievable link capacity within the same frequency channel. Hence it provides great advantages for the operators and significant spectrum efficiency increase. However, there are still some open regulatory issues that are currently under discussion. Some of the possible implications of the LOS MIMO concept deployment on the regulatory framework (in terms of frequency planning, licensing, fees etc.) have been presented in this paper.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128471890","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
Comparison of pseudo noise sequence lengths for a correlator channel sounder 相关信道测深器伪噪声序列长度的比较
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923335
Leonard Novosel, G. Šišul
{"title":"Comparison of pseudo noise sequence lengths for a correlator channel sounder","authors":"Leonard Novosel, G. Šišul","doi":"10.1109/ELMAR.2014.6923335","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923335","url":null,"abstract":"A comparison of different lengths of maximum length sequences for channel sounding application is given. The results are obtained from simulations in LabView and Matlab in different channel models. A channel impulse response is extracted from simulated data for different pseudo noise sequence lengths and different channel models. Simulations are performed in LabView on sliding correlator channel sounder simulation model with data processing done in Matlab. Different power delay profiles with different spectrum statistics are used in simulations. RMS delay spreads are calculated and compared against sequence lengths. Additional tests are performed using USRP software defined radio (SDR) transceiver chain to obtain real life data.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134077811","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
Interactive speech synthesizer 交互式语音合成器
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923313
G. Rozinaj, R. Rybarova, M. Vanco
{"title":"Interactive speech synthesizer","authors":"G. Rozinaj, R. Rybarova, M. Vanco","doi":"10.1109/ELMAR.2014.6923313","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923313","url":null,"abstract":"This paper is focused on a design of an interactive speech synthesizer and prosody modification of Slovak language. It contains analysis and module architecture design for the speech synthesizer with interactive learning system implemented for each module (phonetic transcription, phonetic transcription of abbreviations, word class identification, and prosody modification module).","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130895041","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
Hypothesis combination for Slovak dictation speech recognition 斯洛伐克语听写语音识别的假设组合
Proceedings ELMAR-2014 Pub Date : 2014-10-16 DOI: 10.1109/ELMAR.2014.6923311
M. Lojka, J. Juhár
{"title":"Hypothesis combination for Slovak dictation speech recognition","authors":"M. Lojka, J. Juhár","doi":"10.1109/ELMAR.2014.6923311","DOIUrl":"https://doi.org/10.1109/ELMAR.2014.6923311","url":null,"abstract":"Combination of multiple speech recognition systems is the most used method for improving speech recognition accuracy. The combination is performed at the feature level or the systems are exchanging informations between each other during decoding process or are combined afterwards using their outputs in form of N-best hypothesis or lattices. This paper provides initial experiments with system combination for Slovak language speech recognition using well known combination tool, the Recognition Output Voting Error Reduction (ROVER) from National Institute of Standards and Technology (NIST). Two kinds of scores provided to ROVER are here explored. The first one is based on normalized posterior probabilities and the second one on confidence scores of words in recognized sentence. Also new method for improving the efficiency of combination by smoothing the scores is presented.","PeriodicalId":424325,"journal":{"name":"Proceedings ELMAR-2014","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128911556","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
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