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2017 25th Telecommunication Forum (TELFOR)最新文献

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Investigation on temporal skewing among O-CDMA code carriers under fiber temperature variations 光纤温度变化下O-CDMA码载波时间偏差的研究
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-21 DOI: 10.1109/telfor.2017.8249490
Mohamed Abuhelala, Md Shakil Ahmad, Mustafa Ibrahim, I. Glesk
{"title":"Investigation on temporal skewing among O-CDMA code carriers under fiber temperature variations","authors":"Mohamed Abuhelala, Md Shakil Ahmad, Mustafa Ibrahim, I. Glesk","doi":"10.1109/telfor.2017.8249490","DOIUrl":"https://doi.org/10.1109/telfor.2017.8249490","url":null,"abstract":"Experimental investigation has been conducted on the influence of optical fiber temperature variations on Two Dimension Wavelength/Hopping Time/Spreading Incoherent Optical Code Division Multiple Access (2D-WH/TS iOCDMA) codes. Our experimental results show that in the literature reported approaches assuming a temperature induced coefficient Dtemp in optical fiber being a constant are only accurate when the selection of code carriers' wavelengths is from a relatively narrow spectral interval. This paper shows that if the selection of code carriers' wavelengths is from a wider spectral interval, neglecting to mitigate the wavelength dependency of Dtemp would have a significant impact on the recovered iOCDMA Autocorrelation function.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121555769","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
Proposing bat inspired heuristic algorithm for the optimization of GMPLS networks 提出了基于蝙蝠启发的GMPLS网络优化算法
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-21 DOI: 10.1109/TELFOR.2017.8249295
M. Masood, M. Fouad, I. Glesk
{"title":"Proposing bat inspired heuristic algorithm for the optimization of GMPLS networks","authors":"M. Masood, M. Fouad, I. Glesk","doi":"10.1109/TELFOR.2017.8249295","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249295","url":null,"abstract":"Introduction of modern and diverse applications in telecommunication field has raised challenges in networking area regarding efficient use of network resources and with optimizing performance. Therefore MPLS/GMPLS (Generalized multiprotocol label switching) networks were introduced to provide a better quality of service to meet users' requirements as well as to optimize network resources. GMPLS networks use traffic engineering techniques for more efficient communication within the network and help to optimize network resources. This paper proposes BAT inspired metaheuristic algorithm for selecting an efficient route in MPLS/ GMPLS networks. In our investigation we considered routing costs as an objective function with goal to minimize it. The paper uses BAT algorithm with various levels of loudness parameter. The simulation results show performance improvements in MPLS/GMPLS networks of different size.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116465725","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
Radio-frequency spectrum management in wireless IoT networks 无线物联网网络中的射频频谱管理
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249279
Elvis Babačić, Z. Veljovic, Milica Pejanović-Đurišić
{"title":"Radio-frequency spectrum management in wireless IoT networks","authors":"Elvis Babačić, Z. Veljovic, Milica Pejanović-Đurišić","doi":"10.1109/TELFOR.2017.8249279","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249279","url":null,"abstract":"An overview of the key challenges regarding radiofrequency (RF) spectrum management for wireless IoT (Intenet of Things) networks, an overview of the characteristics of wireless IoT technologies and analysis of traditional and innovative RF spectrum allocation and usage models for IoT networks are given in this paper. Based on analysis done appropriate recommendations for national regulators who are responsible for RF spectrum management are given regarding to regulatory framework for fulfillment of raising requirements for connection of IoT devices in various scenarios of their usage.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115284235","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
Flexible parallel implementation of LLR BP decoding simulation on multicores using OpenCL 基于OpenCL的LLR BP解码仿真多核灵活并行实现
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249334
Igor Volkov, A. Kharin, Aleksei Dryakhlov, Evgeny Mirokhin, Konstantin Terekhov, K. Zavertkin, A. Ovinnikov, E. Likhobabin, V. Vityazev
{"title":"Flexible parallel implementation of LLR BP decoding simulation on multicores using OpenCL","authors":"Igor Volkov, A. Kharin, Aleksei Dryakhlov, Evgeny Mirokhin, Konstantin Terekhov, K. Zavertkin, A. Ovinnikov, E. Likhobabin, V. Vityazev","doi":"10.1109/TELFOR.2017.8249334","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249334","url":null,"abstract":"In this paper we explore acceleration of the logarithmic likelihood ratio (LLR) belief propagation (BP) algorithm for LDPC codes decoding simulation, using parallel computation on graphics processing units (GPUs) with OpenCL technology. The proposed parallel implementation of the LLR BP algorithm includes parallel version of all decoding steps: decoder initialization, check and variable nodes update, a posteriori LLR calculation and decoding termination check. Decoder throughput was measured by simulating data transmission system with LDPC coding for DVB-T2/S2 (64800, 32400) and PEG (1008, 504) codes.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114657487","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
Predlog dizajna antene za WiFi podvodne komunikacije
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249388
Luka Lazović, Ana Jovanović, Vesna Rubežić
{"title":"Predlog dizajna antene za WiFi podvodne komunikacije","authors":"Luka Lazović, Ana Jovanović, Vesna Rubežić","doi":"10.1109/TELFOR.2017.8249388","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249388","url":null,"abstract":"Monitoring kvaliteta vodene životne sredine uslovljava porast bežičnih podvodnih senzorskih mreža sa naglaskom na komunikaciju putem elektromagnetnih talasa. Proučavanjem karakteristika morske vode i njenog uticaja na slabljenje elektromagnetnih talasa, dovodi do zaključka da je dizajn odgovarajuće antene ključan za funkcionisanje podvodnog komunikacionog sistema. Rad na nižim frekvencijama omogućava komunikaciju na većim rastojanjima, ali zahtijeva antenu velike dimenzije, dok komunikacija na visokim frekvencijama omogućava veliku brzinu prenosa ali je ograničena na malo rastojanje. S obzirom na zahtijeve za brzinom prenosa podataka i veličinom antene, predlažemo upotrebu opsega na 2.4 GHz. U ovom radu izvršena je analiza parametara morske vode uzete sa više lokacija u Bokokotorskom zalivu i analiziran je njen uticaj na prostiranje elektromagnetnih talasa i predložen simulacioni model antene za podvodnu komunikaciju u uslovima promjenljive provodnosti.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127125029","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
Heart rate detection: Fractional approach and empirical mode decomposition 心率检测:分数方法和经验模式分解
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249358
Ljubica Cimeša, Nenad Popovic, N. Miljković, T. Šekara
{"title":"Heart rate detection: Fractional approach and empirical mode decomposition","authors":"Ljubica Cimeša, Nenad Popovic, N. Miljković, T. Šekara","doi":"10.1109/TELFOR.2017.8249358","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249358","url":null,"abstract":"The comparison of two methods used to separate electrocardiography and electromyography signals: Empirical Mode Decomposition (EMD) and Fractional Order Calculus (FC) is presented. For quantitative evaluation, crest factor (CF) and signal-to-noise ratio (SNR) values were calculated, where higher CF and SNR values were preferable. Results suggest that FC and EMD performance can be partially assessed by CF indicating better artifact cancellation with EMD approach by 9.72%. For FC and EMD, automatic fractional order application and intrinsic mode function selection were suggested and discussed, respectively. In summary, the results suggested that proposed filtering assessment should be enhanced for more appropriate FC and EMD method's assessment.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114885831","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
Adapting UBIFS file system to android operating system requirements 使uifs文件系统适应android操作系统的要求
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249445
Dragan Čečavac, Miodrag Dinić, Aleksandar Marković, Petar Jovanovic
{"title":"Adapting UBIFS file system to android operating system requirements","authors":"Dragan Čečavac, Miodrag Dinić, Aleksandar Marković, Petar Jovanovic","doi":"10.1109/TELFOR.2017.8249445","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249445","url":null,"abstract":"This paper describes the process and modifications necessary for UBIFS file system to properly function under Android Nougat. These modifications refer to BLKROSET ioctl() (input/output control) support and the required modes for fallocate() system call. All modifications have been performed on Android flavored Linux kernel, version 3.18. Validation has been performed by executing CTS test suite, executing LTP test suite and comparing custom test results to those of EXT4 file system.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116444248","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
Biotechnical multichannel neuro-electrostimulation system for improving cognitive skills in the learning process 生物技术多通道神经电刺激系统在学习过程中提高认知技能
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249440
V. Kublanov, A. Petrenko, A. P. Kozhevnikova
{"title":"Biotechnical multichannel neuro-electrostimulation system for improving cognitive skills in the learning process","authors":"V. Kublanov, A. Petrenko, A. P. Kozhevnikova","doi":"10.1109/TELFOR.2017.8249440","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249440","url":null,"abstract":"The article proposes a biotechnical multichannel neuro-electrostimulation system to enhance cognitive skills in the learning task. The basic elements of the system are described. The results of the application of this system to improve working memory and attention received during the study are also given. As a result of the study, the possibilities and effectiveness of the developed biotechnical system for solving the task was shown.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122536454","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
Partial discharge detection in smart grid using software defined radio 基于软件无线电的智能电网局部放电检测
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249457
H. Mohamed, P. Lazaridis, U. Khan, B. Saeed, K. Mistry, D. Upton, P. Mather, I. Glover
{"title":"Partial discharge detection in smart grid using software defined radio","authors":"H. Mohamed, P. Lazaridis, U. Khan, B. Saeed, K. Mistry, D. Upton, P. Mather, I. Glover","doi":"10.1109/TELFOR.2017.8249457","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249457","url":null,"abstract":"Smart grid is the term used to describe the next generation power grid in which the management of electricity distribution is enhanced by advanced two-way communications, so that it monitors, protects, and takes decisions automatically to optimize the operation of its interconnected elements. The smart grid is made possible by combining two-way communications and persistent computing capabilities, to enhance control, efficiency, reliability, and safety. Using two-way digital technologies, a smart grid can transport electricity between suppliers and consumers. Such technology allows consumers to save energy, reduce cost and increase their smart appliances' efficiency, reliability and transparency. Software Defined Radio (SDR) is a promising technology, it can support the smart grid so that it can provide control, protection and automatic optimization to operate its interconnected elements effectively and efficiently. This paper proposes the use of Software Defined Radio (SDR) for Partial Discharge (PD) detection and localization at the user end in the smart grid.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129509126","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
Complex event processing for network anomaly detection in digital railway communication services 数字铁路通信业务中网络异常检测的复杂事件处理
2017 25th Telecommunication Forum (TELFOR) Pub Date : 2017-11-01 DOI: 10.1109/TELFOR.2017.8249273
M. Butakova, A. Chernov, Petr S. Shevchuk, V. Vereskun
{"title":"Complex event processing for network anomaly detection in digital railway communication services","authors":"M. Butakova, A. Chernov, Petr S. Shevchuk, V. Vereskun","doi":"10.1109/TELFOR.2017.8249273","DOIUrl":"https://doi.org/10.1109/TELFOR.2017.8249273","url":null,"abstract":"The paper aims to propose a novel approach to rise the situation awareness about incidents, which can be considered as events in the complex event processing system. The central part of the proposed approach is network anomaly detection method based on fast harmonic analysis technique of telecommunication traffic and decision-making about abnormality in system functioning. The novel presented approach, as a whole, develops a new method that conforms main requirements of a brand new class digital railway network services, such as large data traffic volumes and real-time situation awareness. The developed methodology allows artificial intelligence algorithms of incident detection being embedded in the existed multilevel intelligent control system in Russian railway transportation.","PeriodicalId":422501,"journal":{"name":"2017 25th Telecommunication Forum (TELFOR)","volume":"225 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123987609","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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