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[BMT15a] Lapped-OFDM as an alternative to CP-OFDM for 5G asynchronous access and cognitive radio
Conférence Internationale avec comité de lecture : IEEE-VTC Spring Conference, May 2015, pp.1-4, Glasgow, UK,Mots clés: multicarrier; OFDM; FBMC; lapped transform; asynchronous access; cognitive radio.
Résumé:
In spite of widely recognized benefits, the acceptance
of filter bank multicarrier (FBMC) as an alternative to cyclic prefix
orthogonal frequency division multiplexing (CP-OFDM) for
the physical layer of future mobile and wireless communication
systems is restrained by the introduction of offset-quadrature
amplitude modulation (OQAM). The proposed approach, based
on the so-called lapped transform, combines a simple yet efficient
perfect reconstruction real filter bank with QAM modulation.
Real processing of the real and imaginary components of the
QAM data samples introduces a symmetry of the used carriers
and the spectrum of the multicarrier signal can be either
continuous or fragmented. Implementing the receiver with an
extended FFT allows for frequency domain channel equalization
and the performance achieved is sufficient to avoid the need for a
cyclic prefix. The scheme is appropriate for asynchronous access
and the filter provides a high level of spectral protection, as
required by users in cognitive radio scenarios.
Equipe:
laetitia
Collaboration:
UNINA
BibTeX
| @inproceedings { | |||
| BMT15a, | |||
| title | = | "{Lapped-OFDM as an alternative to CP-OFDM for 5G asynchronous access and cognitive radio}", | |
| author | = | " M. Bellanger and d. Mattera and M. Tanda ", | |
| booktitle | = | "{IEEE-VTC Spring Conference}", | |
| year | = | 2015, | |
| month | = | "May", | |
| issue | = | 11-14 May 2015, | |
| pages | = | "1-4", | |
| address | = | "Glasgow, UK", | |
| } | |||
