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2021 29th Telecommunications Forum (TELFOR)最新文献

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Improving Energy Usage in Wireless Sensor Networks by Whale Optimization Algorithm 利用Whale优化算法提高无线传感器网络的能量利用率
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653282
I. Strumberger, Timea Bezdan, Milica Ivanović, Luka Jovanovic
{"title":"Improving Energy Usage in Wireless Sensor Networks by Whale Optimization Algorithm","authors":"I. Strumberger, Timea Bezdan, Milica Ivanović, Luka Jovanovic","doi":"10.1109/TELFOR52709.2021.9653282","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653282","url":null,"abstract":"The most important challenge in wireless sensor networks is the energy saving by reducing the energy consumption of the sensor nodes. If the sensor node’s energy is depleted, it could affect the connectivity of the network as a whole. The available energy of sensor nodes is therefore the most valuable resource, and optimization can enhance the lifetime of the network. The optimization significantly depends of the energy model of the MAC layer. This paper proposes a whale optimization algorithm for optimizing the transmitted power model, with a goal to minimize the energy consumption per bit. The results of the conducted experiments indicate that the proposed model obtains better performances than the simple model before application of the algorithm, therefore affecting and prolonging the overall network lifetime.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"41 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120902959","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
Evaluation of Scalability and Multi-tenancy: A Use-Case 可伸缩性和多租户的评估:一个用例
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653373
Stefan Dzalev, M. Gusev
{"title":"Evaluation of Scalability and Multi-tenancy: A Use-Case","authors":"Stefan Dzalev, M. Gusev","doi":"10.1109/TELFOR52709.2021.9653373","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653373","url":null,"abstract":"Flexibility and affordability in modern computing systems can be achieved through scalability and multi-tenancy of all involved devices. This paper presents a use-case of a multi-tenant software solution, where each tenant generates a stream of data that is subsequently processed. The processing output contains metrics to be presented on an analytical dashboard. The tenants are web applications developed using Ruby on Rails, the data streams ingestion and processing platform are developed using a Kafka cluster and KSQL, the analytical dashboard is developed using NodeJS. The use-case is evaluated by measuring the scalability through the response time from data stream creation to metrics display. The experiments are specified by changing the number of tenants and the workload for each tenant. The results show that the system can scale with regard to the number of tenants. The response time increases by 10% to 20%, when the number of tenants increases by 100% to 150%. With regard to the number of data items within the data stream, the response time is stable.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122472845","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
Quantifying the Impact of Physical Layer Effects in an Optical Multi-Band System 光学多波段系统中物理层效应影响的量化
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653339
K. Nikolaou, D. Uzunidis, A. Stavdas, G. Pagiatakis
{"title":"Quantifying the Impact of Physical Layer Effects in an Optical Multi-Band System","authors":"K. Nikolaou, D. Uzunidis, A. Stavdas, G. Pagiatakis","doi":"10.1109/TELFOR52709.2021.9653339","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653339","url":null,"abstract":"The exploitation of Optical Multi-Band (OMB) systems leads to the transmission of a higher number of channels which can in turn increase the overall network connectivity and capacity. However, in an OMB system, a power optimization procedure needs to be performed in order to avoid a severe performance degradation mainly due to the impact of inter-band effects. For this purpose, in this work, we exploit a recently introduced power optimization strategy which allows for a balanced Optical Signal to Noise plus Interference Ratio (OSNIR) between all bands of a five-band system, in order to quantify the impact of the main physical layer impairments in each band. We demonstrate that with the proposed power allocation methodology, the impact of all physical layer impairments can be balanced concurrently in all bands, increasing the number of available channels with sufficient attainable performance, leading in this way to an improved network connectivity.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132477684","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
Intrinsically motivated option learning: a comparative study of recent methods 内在动机期权学习:近期方法的比较研究
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653226
Đorđe Božić, P. Tadić, Mladen Nikolic
{"title":"Intrinsically motivated option learning: a comparative study of recent methods","authors":"Đorđe Božić, P. Tadić, Mladen Nikolic","doi":"10.1109/TELFOR52709.2021.9653226","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653226","url":null,"abstract":"Options represent a framework for reasoning across multiple time scales in reinforcement learning (RL). With the recent active interest in the unsupervised learning paradigm in the RL research community, the option framework was adapted to utilize the concept of empowerment, which corresponds to the amount of influence the agent has on the environment and it’s ability to perceive this influence, and which can be optimized without any supervision provided by the environment’s reward structure. Many recent papers modify this concept in various ways achieving commendable results. Through these various modifications, however, the initial context of empowerment is often lost. In this work we offer a comparative study of such papers through the lens of the original empowerment principle.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131456121","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
Performance of 5G New Radio Low-Density Parity-Check Codes in Nakagami-m fading Channel 5G新型无线电低密度校验码在Nakagami-m衰落信道中的性能研究
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653235
V. Vasic
{"title":"Performance of 5G New Radio Low-Density Parity-Check Codes in Nakagami-m fading Channel","authors":"V. Vasic","doi":"10.1109/TELFOR52709.2021.9653235","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653235","url":null,"abstract":"Various scenarios in which the fifth generation of communications systems will be used lead to high demands of the standard that are successfully fulfilled by Low-Density Parity-Check (LDPC) codes, which are used for coding. In this paper, analysis of the performance of Offset Min-sum algorithm as the decoding method is made. Comparison of hard and soft decision decoding is presented, while the influence of different effects on the radio channel is analyzed by Nakagami-m fading.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125329965","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
Evaluating IPv6 Support in Kubernetes 评估Kubernetes对IPv6的支持
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653276
Vojdan Kjorveziroski, A. Mishev, S. Filiposka
{"title":"Evaluating IPv6 Support in Kubernetes","authors":"Vojdan Kjorveziroski, A. Mishev, S. Filiposka","doi":"10.1109/TELFOR52709.2021.9653276","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653276","url":null,"abstract":"Kubernetes is one of the most popular container orchestrators today, but IPv4 address scarcity and the lucrative reseller market introduce problems for cluster administrators who would like to deploy publicly available applications, without resorting to NAT. We discuss the extent of IPv6 support in recent versions of Kubernetes and offer solutions for IPv6 dual-stack implementation. We also provide a reference dual-stack IPv6 Kubernetes network architecture that can be employed in existing or new clusters.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126628451","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
US address classification based on text processing and machine learning 基于文本处理和机器学习的美国地址分类
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653380
Ivana Munjas, Vuk Batanović
{"title":"US address classification based on text processing and machine learning","authors":"Ivana Munjas, Vuk Batanović","doi":"10.1109/TELFOR52709.2021.9653380","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653380","url":null,"abstract":"Addresses represent a crucial type of textual data for real estate companies. In order to identify, fix, or remove incorrect entries, we categorize addresses into one of six predefined classes. In this context, we explore the effects of different text processing and classification methods. The best results are obtained by using non-linear classifiers with a combination of unigram and bigram features.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121440174","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
The ICNIRP 2020 Guidelines and Serbian EMF Legislation ICNIRP 2020指南和塞尔维亚EMF立法
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653288
N. Djuric, Teodora Gavrilov, D. Kljajić, Nadja Markovic Golubovic, S. Djuric
{"title":"The ICNIRP 2020 Guidelines and Serbian EMF Legislation","authors":"N. Djuric, Teodora Gavrilov, D. Kljajić, Nadja Markovic Golubovic, S. Djuric","doi":"10.1109/TELFOR52709.2021.9653288","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653288","url":null,"abstract":"The expansion in telecommunication technologies, particularly the one using electromagnetic field (EMF), makes advances on the knowledge on EMF-tissue interaction. Hence, the International Commission for Non-Ionizing Radiation Protection (ICNIRP) announced the updated guidelines – ICNIRP 2020, that should ensure protection against all recognized health hazards when population is exposed to the EMFs, in the range of 100 kHz up to 300 GHz. The newest updates to the limits are based on the improved scientific accuracy, providing in addition the limits for exposure situations that were not considered in earlier guidelines – ICNIRP 1998. One of the key outcomes of ICNIRP 2020 is also strong recommendation for countries to perform updates of their national EMF legislation in order to be aligned with the up-to-date recommendations. In that sense, this paper is intended to make a short overview of certain ICNIRP 2020 features and their reflections on Serbian EMF legislation, highlighting parts of national legislation that should be altered.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115002970","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
Jedno rešenje MPU-processing biblioteke u okviru ATSC 3.0 srednjeg sloja
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653210
Milica Damjanović
{"title":"Jedno rešenje MPU-processing biblioteke u okviru ATSC 3.0 srednjeg sloja","authors":"Milica Damjanović","doi":"10.1109/TELFOR52709.2021.9653210","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653210","url":null,"abstract":"U ovom radu opisane su osnovne odlike ATSC (Advanced Television System Committee) standarda uz implementaciju programske podrške za unapređenu, ATSC 3.0, verziju. Cilj rada je razvoj MPU-processing modula za prijem i obradu ATSC 3.0 multimedijalnog sadržaja isporučenog putem MMTP protokola. Dato je jedno rešenje obrade MPU paketa u okviru ATSC 3.0 srednjeg sloja.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124768029","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
Estimation of Uncertainty of Permittivity Measurement with Transmission Line Method in the Wide Frequency Range 宽频率范围传输线法测量介电常数的不确定度估计
2021 29th Telecommunications Forum (TELFOR) Pub Date : 2021-11-23 DOI: 10.1109/TELFOR52709.2021.9653335
Alexander Malkin, V. Chechetkin, A. Korotkov, N. Knyazev
{"title":"Estimation of Uncertainty of Permittivity Measurement with Transmission Line Method in the Wide Frequency Range","authors":"Alexander Malkin, V. Chechetkin, A. Korotkov, N. Knyazev","doi":"10.1109/TELFOR52709.2021.9653335","DOIUrl":"https://doi.org/10.1109/TELFOR52709.2021.9653335","url":null,"abstract":"A method for evaluating the measurement error of the dielectric constant by the transmission line method is considered. In this paper, the main sources of error are determined by the errors in measuring the reflection and transmission coefficients using a vector network analyzer. The Nicholson-Ross-Weir method is used to calculate the complex permittivity. The calculation of the error in determining the real and imaginary parts of the dielectric constant in a wide frequency range is shown. The proposed method allows to determine with high accuracy the boundaries of uncertainty when conducting an experimental study of a material sample.","PeriodicalId":330449,"journal":{"name":"2021 29th Telecommunications Forum (TELFOR)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124803677","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
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