D. Macêdo, Ricardo Q. de F. H. Silva, Lucas I. C. Medeiros, D. Luna, T. Guerra, V. A. Sousa Jr.
{"title":"Análise de Cobertura 5G mmWave usando o ns-3","authors":"D. Macêdo, Ricardo Q. de F. H. Silva, Lucas I. C. Medeiros, D. Luna, T. Guerra, V. A. Sousa Jr.","doi":"10.14209/sbrt.2022.1570821912","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570821912","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130801438","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}
D. C. Valadares, Newton C. Will, A. Sobrinho, A. Dantas, I. Morais, Pedro Graciliano, Danilo F S Santos
{"title":"Segurança em Cenários de Internet das Coisas em Redes 5G: Desafios e Recomendações","authors":"D. C. Valadares, Newton C. Will, A. Sobrinho, A. Dantas, I. Morais, Pedro Graciliano, Danilo F S Santos","doi":"10.14209/sbrt.2022.1570824854","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570824854","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131227203","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}
{"title":"Geração de Pentes Ópticos de Frequências Amplos e Ultra Planos por Moduladores Eletro-ópticos Cascateados","authors":"Leonid Huancachoque, A. Bordonalli","doi":"10.14209/sbrt.2022.1570823625","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570823625","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130721773","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}
{"title":"A testbed and methodology for initial 5G NSA mobile deployment to provide voice services over IMS using SDR","authors":"Leandro Almeida da Silva, J. J. Arnez","doi":"10.14209/sbrt.2022.1570812521","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570812521","url":null,"abstract":"—This work presents a testbed for simulating an initial 5G NSA (Non Standalone) network to provide VoLTE (Voice over LTE) calls. The configuration testbed relies on using open-source projects as well as the Kamailio server for real-time communication and signaling messages using the SIP (Session Initiation Protocol) of the IMS (IP Multimedia Subsystem) network. In addition, the Open5GS open source project is used to implement a 4G EPC (Evolved Packet Core) and 5G network functions that were developed using a C language software. A BTS (Base Transceiver Station), composed of a SDR (Software Defined Radio) equipment i.e. USRP (Universal Software Radio Peripheral) complete the testbed setup. The jitter and throughput values are also presented. The contribution of this work is to present a relatively low-cost alternative VoLTE testbed, as well as the availability of an experimental environment for teaching and research within universities.","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133484797","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}
V. Ferro, G. Monteiro, João Gustavo Oliveira, Luis Flávio Silva
{"title":"Implementação de um Ambiente Open RAN LTE Conteinerizado e Virtualizado","authors":"V. Ferro, G. Monteiro, João Gustavo Oliveira, Luis Flávio Silva","doi":"10.14209/sbrt.2022.1570817779","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570817779","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133650647","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}
{"title":"Robust Power Allocation and Precoding for Cell-Free and Multi-Cell Massive MIMO Systems","authors":"Erick Freitas de Almeida, R. D. Lamare","doi":"10.14209/sbrt.2022.1570822287","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570822287","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127818904","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}
{"title":"Quantitative Assessment of VHF and UHF Bands in Brazil After the Analog TV Switch-off","authors":"Thiago Aguiar Soares, U. Dias","doi":"10.14209/sbrt.2022.1570824940","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570824940","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133859452","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}
Lucca Gamballi, Daniel G. Tiglea, R. Candido, Magno T. M. Silva
{"title":"Treinamento distribuído de redes MLP para classificação de figuras geométricas","authors":"Lucca Gamballi, Daniel G. Tiglea, R. Candido, Magno T. M. Silva","doi":"10.14209/sbrt.2022.1570817366","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570817366","url":null,"abstract":"— Multilayer perceptron neural networks are used to classify geometric figures using a distributed approach. Training data are divided among neural networks that communicate through a certain topology, in which each network does not have access to the training data of the others. Simulation results indicate that the performance achieved with distributed training and a suitable topology is similar to that observed with classical training. Thus, data privacy is guaranteed without loss of performance.","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114312331","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}
V. Costa, E. H. Teixeira, S. Mafra, Felipe Figueiredo
{"title":"Pré-processamento de imagens de baixa resolução utilizando Deep Learning baseado em um Autoencoder","authors":"V. Costa, E. H. Teixeira, S. Mafra, Felipe Figueiredo","doi":"10.14209/sbrt.2022.1570824989","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570824989","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115129512","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}
N. C. D. Santos, Matheus Henrique Vieira, Dianne S. V. Medeiros
{"title":"HIGEIA-DA: reconHecimento de neuroImagens para diaGnóstico antEcIpAdo da Doença de Alzheimer com base em redes neurais","authors":"N. C. D. Santos, Matheus Henrique Vieira, Dianne S. V. Medeiros","doi":"10.14209/sbrt.2022.1570825026","DOIUrl":"https://doi.org/10.14209/sbrt.2022.1570825026","url":null,"abstract":"","PeriodicalId":278050,"journal":{"name":"Anais do XL Simpósio Brasileiro de Telecomunicações e Processamento de Sinais","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122995466","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}