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A technique for reducing the PMEPR of MC-CDMA signals
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Autores
Orientador(es)
Resumo(s)
In this paper we consider the use of MCCDMA
(Multi-Carrier Code Division Multiple Access)
schemes with a frequency-domain orthogonal spreading.
The transmitter structure is especially modified for reducing
the envelope fluctuations of the transmitted signals.
An analytical approach for the performance evaluation is
also included which relies on the Gaussian characteristics
of MC signals with a high number of suhcarriers.
A set of performance results is presented. Our performance
results show that the proposed transmitter structure
is adequate for power-efficient MC-CDMA transmission
since we can reduce the envelope fluctuations of the transmitted
signals, while keeping essentially the same spectral
efficiency of the conventional MC-CDMA transmission.
Descrição
Palavras-chave
Communication Networking and broadcasting Computing and processing (hardware/ software)
Contexto Educativo
Citação
Editora
IEEE