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MULTI-STAGE MIXED FREQUENCY-TIME SIMULATOR FOR BANDPASS SAMPLING RECEIVER FRONT-ENDS

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Resumo:This paper address the implementation of a mixed-domain simulator for first-order band-pass sampling receivers, which is based on an initial frequency-domain signal treatment followed by a time-domain simulation scheme. One of the proposed applications for this type of receivers is to perform the spectrum sensing feature, which is required in actual and future cognitive radio approaches. Some details about the multi-stage modelling strategy will be given focusing in each specific component of the receiver, wherein it is considered a mixed frequency-time signal treatment. Moreover, it will be summarized the main features of the implemented simulator, as well as potential improvements. Finally, several simulation examples obtained with the implemented simulator will be shown, in which are included the impact of a CW signal excitation in a received modulated signal and a multi-carrier signal reception scenario.
Autores principais:Cruz, Pedro Miguel
Outros Autores:Carvalho, Nuno Borges; Valkama, Mikko E.
Assunto:Electronics; Telecommunications Band-pass sampling; Mixed-domain simulator; Software defined radio; Wideband receiver
Ano:2013
País:Portugal
Tipo de documento:artigo
Tipo de acesso:unknown
Instituição associada:Instituto Superior de Engenharia de Lisboa
Idioma:inglês
Origem:i-ETC : ISEL Academic Journal of Electronics Telecommunications and Computers

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