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2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)最新文献

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Glasses Influence on the Eyes Exposed to 2.45 GHz Electromagnetic Radiation 2.45 GHz电磁辐射下眼镜对眼睛的影响
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606357
Dragana B. Jovanović, D. Jovanović, V. Stanković, Dragana Zivaljevic, Nenad N. Cvetković, D. Vuckovic, Željko Hederić
{"title":"Glasses Influence on the Eyes Exposed to 2.45 GHz Electromagnetic Radiation","authors":"Dragana B. Jovanović, D. Jovanović, V. Stanković, Dragana Zivaljevic, Nenad N. Cvetković, D. Vuckovic, Željko Hederić","doi":"10.1109/TELSIKS52058.2021.9606357","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606357","url":null,"abstract":"The investigation of the influence of the metal frame spectacles on the electric field and Specific Absorption Rate distribution within the user’s eyes exposed to the mobile phone electromagnetic field is presented in the paper. Numerical analysis of electric field distribution and Specific Absorption Rate has been performed when user's eye is exposed to radiation of the mobile phone operating at 2.45 GHz. Numerical solutions are obtained solving the equations of electromagnetic wave propagation. Accordingly, the obtained results are given for biological tissues within user’s eyes. The 3D models of human head and human eye and spectacles have been developed. The results obtained for the models with and without glasses have been compared in order to determine the effects of the presence of described glasses on distributions of values of interest.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134019417","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
SARIMA and ANN Approaches in Forecasting the Volume of Postal Services 预测邮政业务量的SARIMA和ANN方法
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606429
I. Rogan, O. Pronić-Rančić
{"title":"SARIMA and ANN Approaches in Forecasting the Volume of Postal Services","authors":"I. Rogan, O. Pronić-Rančić","doi":"10.1109/TELSIKS52058.2021.9606429","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606429","url":null,"abstract":"In this paper, time series data forecasting was done by using a seasonal autoregressive integrated moving average (SARIMA) model in XLSTAT add-on for Excel and in MATLAB environment, as well as an artificial neural network (ANN) model. A long short-term memory (LSTM) network was used to construct the ANN model. Both approaches were used for forecasting the volume of express mail services (EMS) in international traffic in the Republic of Serbia and the obtained results were compared with the original data. Significantly better modelling results were obtained by using ANN approach.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"207 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131398288","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
A Quick Approximation Method for Estimating the Dimensions of Patch Antennas using CMA 基于CMA的贴片天线尺寸快速逼近方法
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606284
B. Q. Elias, P. Soh, A. A. Al-Hadi
{"title":"A Quick Approximation Method for Estimating the Dimensions of Patch Antennas using CMA","authors":"B. Q. Elias, P. Soh, A. A. Al-Hadi","doi":"10.1109/TELSIKS52058.2021.9606284","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606284","url":null,"abstract":"In this paper, a quick method for estimating the patch width is presented using CMA. The proposed method can be completed in four steps, based on the relationship between the patch width as the variable and different resonant frequencies, and has been validated using four substrates. This method is advantageous as it facilitates antenna designers in estimating the width of the radiator patch using only CMA without the effects of substrate and excitation. Basically, the generated formula enables the calculation of the actual patch width by simply substituting the width of the patch produced based on one of the CMA’s characteristic angle. This parameter which is originally used to find the natural resonant frequency of the structure makes the proposed method time- and resource-efficient. The set of obtained results have been validated to be realistic with satisfactory accuracy.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"263 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115768296","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
Lunching Real-time IoT Applications on Energy-aware Embedded Platforms 在能源感知嵌入式平台上启动实时物联网应用
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606395
Haris Turkmanović, I. Popović, D. Drajić, Zoran Čiča
{"title":"Lunching Real-time IoT Applications on Energy-aware Embedded Platforms","authors":"Haris Turkmanović, I. Popović, D. Drajić, Zoran Čiča","doi":"10.1109/TELSIKS52058.2021.9606395","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606395","url":null,"abstract":"The rapid growth of information and communication technologies and increasednumber of internet connectionsduring the last few years has led to the extensive use of various IoT applications. Nowadays,IoT applications arebuilt using various embedded platforms with constrained processing and energy resources. Achieving real-time performance in such IoT systems, with more efficient usage or with limited energy resources, can bea serious challenge. In this papera set of parameters, that control theoperation of IoT end-devices, and in this way affecting overall IoT system consumption and its real-time behavior are introduced. To investigate and illustrate overall influence on the power consumption, we have designed an adequate simulation environment. The simulation of the simplified data producer-consumer configuration in IoT edge tier, under push-based communication model, have confirmed that careful tuning of the identified set of parameters can lead to more efficient IoT end-device operation under the given real-timeconstrain.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124836419","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
5G EMF Exposure: Overview of Recent Research and Safety Standard Updates 5G电磁场暴露:最新研究概述和安全标准更新
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606262
V. Markovic
{"title":"5G EMF Exposure: Overview of Recent Research and Safety Standard Updates","authors":"V. Markovic","doi":"10.1109/TELSIKS52058.2021.9606262","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606262","url":null,"abstract":"In the last few years, there has been a lot of controversy about the possible adverse health effects of the 5G communication systems, especially at millimeter-wave frequencies. Together with the widespread deployment of the new technology, it has triggered significant public concern. The scope of conducted research studies in this area is still not high, and there are many open questions concerning their results. In this paper, an overview of the scientific literature related to the effects of exposure to 5G electromagnetic fields (EMF) is given. Taking into account the existing research results, EMF safety standards have been adapted to a certain extent to adequately account for new technological developments. The latest changes of ICNIRP and IEEE C95.1 standards are summarized in the paper.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122021930","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
Analysis of 32-bit Fixed Point Quantizer in the Wide Variance Range for the Laplacian Source 拉普拉斯信号源大方差范围内32位定点量化器分析
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606251
Z. Perić, A. Jovanovic, M. Dincic, Milan S. Savic, N. Vučić, Anastasija Nikolić
{"title":"Analysis of 32-bit Fixed Point Quantizer in the Wide Variance Range for the Laplacian Source","authors":"Z. Perić, A. Jovanovic, M. Dincic, Milan S. Savic, N. Vučić, Anastasija Nikolić","doi":"10.1109/TELSIKS52058.2021.9606251","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606251","url":null,"abstract":"The main goal of this paper is to examine the possibility of using the 32-bit fixed-point format to represent the weights of neural networks (NN) instead of the standardly used 32-bit floating-point format in order to reduce the complexity of NN implementation. To this end, the performance of the 32-bit fixed-point format is analyzed, using an analogy between the fixed-point format and the uniform quantization that allows for the performance of the 32-bit fixed-point format to be expressed by an objective measure SQNR (Signal-to-Quantization Noise Ratio). In doing so, SQNR analysis is performed in a wide range of variance of NN weights, looking for a solution that maximizes the average SQNR in that range of variance. Also, an experiment is performed, applying the 32-bit fixed-point format to represent the weights of an MLP (Multilayer Perceptron) neural network trained for classification purposes. It is shown that the application of the 32-bit fixed-point representation of MLP weights achieves the same classification accuracy as in the case of the 32-bit floating-point representation of MLP weights, proving that the application of the 32-bit fixed-point representation of weights reduces the implementation complexity of neural networks without compromising the accuracy of classification.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114144010","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 Method of Modifying a ScratchJr Project by Resorting to JSON Stored Project Data 通过使用JSON存储的项目数据来修改ScratchJr项目的方法
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606418
A. Spasic, D. Jankovic, Andjelija I. Djordjevic
{"title":"A Method of Modifying a ScratchJr Project by Resorting to JSON Stored Project Data","authors":"A. Spasic, D. Jankovic, Andjelija I. Djordjevic","doi":"10.1109/TELSIKS52058.2021.9606418","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606418","url":null,"abstract":"ScratchJr, a programming tool developmentally appropriate for preschoolers (children age 5 to 7) is intentionally designed without the possibility of externally adding image and sound files. It can create difficulties for adults (teachers and parents alike) involved in pre-school activities with ScratchJr. This paper presents the structure of ScratchJr projects and a manner in which they can be modified by adding external images and sounds. It also presents the JSON project information code needed for the proper functioning of the programme with added files.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116643104","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
Implementation of WebSockets in ESP32 based IoT Systems 基于ESP32的物联网系统中WebSockets的实现
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606244
Nikola Mitrovic, Milan Ðorđević, S. Veljković, D. Danković
{"title":"Implementation of WebSockets in ESP32 based IoT Systems","authors":"Nikola Mitrovic, Milan Ðorđević, S. Veljković, D. Danković","doi":"10.1109/TELSIKS52058.2021.9606244","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606244","url":null,"abstract":"This paper presents implementation of the WebSocket communication method in Internet of Things systems that are based on ESP32 microcontroller. Impacts of using this technique for the real-time data transfer in Wi-Fi networks and its comparison to the standard polling techniques are discussed. For the proper comparison, special circuit is designed in order to stress the hardware part of the system and client-server communication. Also, for the real-time data receipt a web server application is designed and used to visualize received values. Efficiency of the data transfer methods are compared and discussed.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126731085","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
Determinant Factors Influencing the Adoption of Blockchain Across SMEs in South Africa 影响南非中小企业采用区块链的决定因素
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606343
Katiso Molati, Appolonia Ifeanyi Ilorah, Michael Nthabiseng Moeti
{"title":"Determinant Factors Influencing the Adoption of Blockchain Across SMEs in South Africa","authors":"Katiso Molati, Appolonia Ifeanyi Ilorah, Michael Nthabiseng Moeti","doi":"10.1109/TELSIKS52058.2021.9606343","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606343","url":null,"abstract":"The adoption of blockchain necessitates the attention of a wide range of elements, much beyond the primarily technological focus of most present investigations. The present inquiries do not provide appropriate models as to how SMEs ought to go about blockchain adoption. Thus, this research study sort to investigate the key factors that drive blockchain adoption and propose a research model that could be used to inform blockchain adoption by SMEs in the context of South Africa. Drawing on the innovation diffusion theory and technological, organizational and environmental factors a model was proposed. Quantitative study was carried out; survey data was collected from 167 SMEs. SPSS was used to analyze the collected data and AMOS to fit the model. The results revealed that organizational readiness, trading partner pressure, perceived benefits, complexity, top management support, and compatibility could significantly influence the adoption of blockchain. However, in the South African context, competitive pressure and government regulations & support were found to be insignificant.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129448988","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
Design of Spoof Surface Plasmon Polariton-based Sensor for Low Dielectric Constant Liquid Samples 低介电常数液体样品的欺骗表面等离子体偏振传感器设计
2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS) Pub Date : 2021-10-20 DOI: 10.1109/TELSIKS52058.2021.9606376
Ivana Podunavac, V. Radonić, V. Bengin, N. Janković
{"title":"Design of Spoof Surface Plasmon Polariton-based Sensor for Low Dielectric Constant Liquid Samples","authors":"Ivana Podunavac, V. Radonić, V. Bengin, N. Janković","doi":"10.1109/TELSIKS52058.2021.9606376","DOIUrl":"https://doi.org/10.1109/TELSIKS52058.2021.9606376","url":null,"abstract":"In this paper we propose a sensing platform for dielectric constant sensing based on a microwave spoof surface plasmon polaritons sensor and integrated chamber for liquid samples. The influence of different geometrical parameters on sensor response are analyzed, and the sensor performances are optimized for ultrasensitive detection of low dielectric constant in liquid samples.","PeriodicalId":228464,"journal":{"name":"2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122787377","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
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