Now showing items 1-5 of 5
Gap filler adaptativo para sistema ISDB-Tb
(Universidade Presbiteriana Mackenzie, 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 ...
Diversidade espacial na recepção em sistemas ISDB-Tb
(Universidade Presbiteriana Mackenzie, 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 ...
Uma nova proposta de antena banda larga para recepção do sinal de tv digital do padrão ISDB-T
(Universidade Presbiteriana Mackenzie, 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, ...
Desenvolvimento de algoritmos de sincronismo e estimação de canal no GNU radio companion para o sistema ISDB-T
(Universidade Presbiteriana Mackenzie, 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 ...
Estudo comparativo de desempenho entre o sistema ISDB-TB e DVB-T2
(Universidade Presbiteriana Mackenzie, 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 ...