Now showing items 1-18 of 18

    • Análise do padrão MMT para transporte de serviços de TV digital 

      Diniz, Celso da Silva; http://lattes.cnpq.br/5248830011250520 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2019-08-08)
      A digital TV system uses standardized methods for compression, multiplexing and transmission of audiovisual signals and content data. Speci cally in the multiplexing stage, the most widespread systems are currently based ...
    • Antena indoor de dupla polarização para recepção de TV digital 

      Santos, Guilherme Boscolo dos; http://lattes.cnpq.br/7107084114352539 (Universidade Presbiteriana MackenzieFaculdade de Computação e Informática (FCI)Engenharia ElétricaUPMBrasil, 2018-01-30)
      With the establishment of digital television technology, improvements have emerged com- pared to analogue, such as bringing users better quality picture and video. This transition of the analogue/digital system is already ...
    • Comparação do sistema LTE operando na faixa de 2,5 GHZ e 700 MHZ 

      Izario, Bruno Rodrigues Ferraz; http://lattes.cnpq.br/6884892036392183 (Universidade Presbiteriana MackenzieEngenharia ElétricaEngenharia ElétricaUPMBR, 2015-08-28)
      The Long Term Evolution (LTE) system belongs to the 4th generation phone system. It is standardized by 3GPP and utilizes several technologies to improve the performance of data transmission. This permits flexibility for ...
    • Desenvolvimento da etapa BICM do sistema ATSC 3.0 na plataforma GNU Radio 

      Ganzaroli, Guilherme Rossi; http://lattes.cnpq.br/7237990342914459 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2019-02-06)
      This work consists on the creation of the Bit Interleaved Coding And Modulation (BICM) stage of the Advanced Television Systems Committee 3.0 (ATSC 3.0) digital TV system in Software Defined Radio (SDR), using the GNU ...
    • Desenvolvimento da etapa BICM do sistema ATSC 3.0 na plataforma GNU radio 

      Ganzaroli, Guilherme Rossi; http://lattes.cnpq.br/7237990342914459 (Universidade Presbiteriana MackenzieFaculdade de Computação e Informática (FCI)Engenharia ElétricaUPMBrasil, 2019-02-06)
      This work consists on the creation of the Bit Interleaved Coding And Modulation (BICM) stage of the Advanced Television Systems Committee 3.0 (ATSC 3.0) digital TV system in Software Defined Radio (SDR), using the GNU ...
    • Desenvolvimento de algoritmos de sincronismo e estimação de canal no GNU radio companion para o sistema ISDB-T 

      Sapia, Thiago Montanaro; http://lattes.cnpq.br/4765930618047563 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2017-02-20)
      This essay presents theoretical concepts of the Brazilian Digital TV System (SBTVD) and Software De ned Radio (SDR). The purpose of this essay is to implement timing synchronization stages and a channel estimator to enable ...
    • Diversidade espacial na recepção em sistemas ISDB-Tb 

      Olandim, Richard John Lintulahti; http://lattes.cnpq.br/3538827648981633 (Universidade Presbiteriana MackenzieEngenharia ElétricaEngenharia ElétricaUPMBR, 2015-06-25)
      In Brazil, the broadcasting system for television content in high definition is the ISDB-Tb. Although robust, the content transmission in this system, like in any radio frequency propagation, can suffer from external ...
    • Estudo comparativo de desempenho entre o sistema ISDB-TB e DVB-T2 

      Esperante, Paulo Guedes; http://lattes.cnpq.br/6780634585704513 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2015-02-05)
      This research presents a comparative study between the ISDB - TB and the second generation of European standard DVB - T2 systems. As a case of study it is demonstrating the information construction technique from the ...
    • Estudo de métodos de modulação e codificação de canal para a próxima geração de TV terrestre 

      Leone, Leonardo Fernando; http://lattes.cnpq.br/6344461001211568 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2016-06-07)
      This work aims at studying digital modulation and channel encoding for the next generation of digital terrestrial TV. From existing studies on the efficiency of diferent channel encoders FEC (forward-error-correction) and ...
    • Estudo sobre os métodos de diversidade para sistemas de TV digital 

      Rabaça, Ricardo Seriacopi; http://lattes.cnpq.br/4655443426079175 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2017-08-08)
      This project presents the history, basic information and advantages of using Software De ned Radio (SDR), diversity, layer division multiplexing (LDM) technique and the latest digital TV standards in a digital communication ...
    • Gap filler adaptativo para sistema ISDB-Tb 

      Rocha, Chrystianne; http://lattes.cnpq.br/4359385899720507 (Universidade Presbiteriana MackenzieEngenharia ElétricaEngenharia ElétricaUPMBR, 2014-08-07)
      This master thesis presents the proposal of assigning the cognitive ability to a gap filler. Differently from the usual repeaters found on the market, the adaptive gap filler is able to automatically monitor tuned channels ...
    • Implementação de técnicas robustas de codificação e modulação para o sistema ISDB-TB LDM 

      Oliveira, George Henrique Maranhão Garcia de; http://lattes.cnpq.br/2971956405084745 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2017-02-06)
      This work presents the characteristics of the ISDB-TB, adopted in Brazil as part of Digital TV Brazilian System (SBTVD) and the challenges and needed adaptations for the next digital TV generations. It also shows the ...
    • Modulador 1-seg para SBTVD usando GNU Radio 

      Maciel, Yuri Pontes; http://lattes.cnpq.br/9841928318274123 (Universidade Presbiteriana MackenzieEngenharia ElétricaEngenharia ElétricaUPMBR, 2015-02-06)
      This paper describes by theoretical conceptualization and pratical experiences two relevant themes of electrical engineering and communications: software defined radio and the Brazilian digital television standard. This ...
    • Modulador do sistema ATSC 3.0 usando Gnuradio Companion 

      Dionísio, Victor Morales; http://lattes.cnpq.br/1420762301229395 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2017-08-07)
      This paper presents the characteristics of two recent technologies on the scienti c and telecommunications community: the Advanced Television Systems Committee (ATSC) 3.0; the Software De ned Radio (SDR). Later, the usage ...
    • Uma nova proposta de antena banda larga para recepção do sinal de tv digital do padrão ISDB-T 

      Santos, Edson Tafeli Carneiro dos; http://lattes.cnpq.br/0161192178607515 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2016-02-05)
      The digital television reception system has a number of possible technological changes in its architecture. One of the changes is the transition from the VHF broadcast band to UHF. This fact requires a change in design, ...
    • Otimização da escolha de modelo de propagação por medição de campo e inteligência artificial 

      Botelho, Alberto Leonardo Penteado; http://lattes.cnpq.br/1933062035071291 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2019-02-05)
      The propagation model to be chosen in the design of a digital terrestrial broadcast station is a critical point for predicting the coverage area. There are several models, with specific characteristics that may be better ...
    • Otimização da escolha de modelo de propagação por medição de campo e inteligência artificial 

      Botelho, Alberto Leonardo Penteado; http://lattes.cnpq.br/1933062035071291 (Universidade Presbiteriana MackenzieFaculdade de Computação e Informática (FCI)Engenharia ElétricaUPMBrasil, 2019-02-05)
      The propagation model to be chosen in the design of a digital terrestrial broadcast station is a critical point for predicting the coverage area. There are several models, with specific characteristics that may be better ...
    • Transmissão de sinais do ISDB-Tb em modulação avançada: um estudo de caso em FBMC 

      Almeida, Jefferson Jesus Hengles; http://lattes.cnpq.br/2338238864298330 (Universidade Presbiteriana MackenzieEscola de Engenharia Mackenzie (EE)Engenharia ElétricaUPMBrasil, 2016-12-16)
      The present work discuss the using of FBMC as modulation method for the physical layer of the Brazilian digital TV system as an alternative for OFDM. This is done in order to increase the spectral e ciency of the system, ...