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A frequency-domain receiver for asynchronous systems employing CP-assisted DS-CDMA schemes
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Autores
Orientador(es)
Resumo(s)
In this paper we consider the uplink transmission
within CP-assisted (Cyclic Pre¯x) DS-CDMA (Direct
Sequence Code Division Multiple Access) systems and
we present a frequency-domain MUD (MultiUser Detection)
receiver with iterative estimation and compensation
of residual frequency errors.
The proposed receiver is suitable for broadband
wireless systems, with performances that can be close
to the single-user MFB (Matched Filter Bound), even
for fully loaded systems and/or in the presence of
strong interfering signals. The receiver is powerful
enough for typical asynchronous scenarios, requiring
only a coarse synchronization between users.
Descrição
Palavras-chave
Telecomunicações Comunicações sem fios Wireless MUD CDMA Igualização no domínio da frequência 621.39
Contexto Educativo
Citação
Proc. IASTED SIP'06. - Honolulu, Hawaii, Aug. 2006. - 5 p