Publication
Turbo equalization with cancelation of nonlinear distortion for CP-assisted and zero-padded MC-CDM schemes
| dc.contributor.author | Dinis, Rui | |
| dc.contributor.author | Silva, Paulo | |
| dc.contributor.author | Araújo, Teresa | |
| dc.date.accessioned | 2012-10-15T16:26:51Z | |
| dc.date.available | 2012-10-15T16:26:51Z | |
| dc.date.issued | 2009-08 | |
| dc.description.abstract | In this paper, we consider MC-CDM schemes (MultiCarrier Code Division Multiplexing) where clipping techniques are employed to reduce the envelope fluctuations of the transmitted signals. Both CP-assisted (Cyclic Prefix) and ZP (Zero- Padded) MC-CDM schemes are studied. We develop frequencydomain turbo equalizers combined with an iterative estimation and cancelation of nonlinear distortion effects, with relatively low complexity since they allow FFT-based (Fast Fourier Transform), frequency-domain implementations. Our performance results show that the proposed receivers allow significant performance improvements at low and moderate SNR (Signal-to-Noise Ratio), even when strongly nonlinear transmitters are employed. The receiver for ZP MC-CDM is of special interest for systems where the duration of the channel impulse response is not a small fraction of the duration of the MC-CDM blocks, being suitable to MC-CDM systems with very large blocks (hundreds or even thousands of subcarriers), since they do not require the inversion nor the multiplication of large matrixes. | por |
| dc.identifier.citation | R. Dinis, P. Silva, T. Araújo, “Turbo Equalization with Cancelation of Nonlinear Distortion for CP-Assisted and Zero-Padded MC-CDMA Schemes”, IEEE Trans. Commun., vol. 57, nº. 7, pp. 2185-2189, Aug. 2009. | por |
| dc.identifier.issn | 0090-6778 | |
| dc.identifier.other | AUT: PSI00617; | |
| dc.identifier.uri | http://hdl.handle.net/10400.1/1750 | |
| dc.language.iso | eng | por |
| dc.peerreviewed | yes | por |
| dc.publisher | IEEE | por |
| dc.subject | MC-CDM | por |
| dc.subject | Zero-padded MC-CDM | por |
| dc.subject | Turbo equalization | por |
| dc.subject | Nonlinear distortion | por |
| dc.title | Turbo equalization with cancelation of nonlinear distortion for CP-assisted and zero-padded MC-CDM schemes | por |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.citation.endPage | 2189 | por |
| oaire.citation.issue | 7 | por |
| oaire.citation.startPage | 2185 | por |
| oaire.citation.title | IEEE Transactions on Communications | por |
| oaire.citation.volume | 57 | por |
| person.familyName | Silva | |
| person.givenName | Paulo | |
| person.identifier.ciencia-id | 2219-9E5D-9CD6 | |
| person.identifier.orcid | 0000-0002-3599-5103 | |
| person.identifier.scopus-author-id | 24829622000 | |
| rcaap.rights | restrictedAccess | por |
| rcaap.type | article | por |
| relation.isAuthorOfPublication | 9abbef80-3f9e-464d-ad7b-413afab8899f | |
| relation.isAuthorOfPublication.latestForDiscovery | 9abbef80-3f9e-464d-ad7b-413afab8899f |