Publicação
Joint passive time reversal and multichannel equalization for underwater communications
| dc.contributor.author | Gomes, João | |
| dc.contributor.author | Silva, A. | |
| dc.contributor.author | Jesus, S. M. | |
| dc.date.accessioned | 2014-10-08T16:06:27Z | |
| dc.date.available | 2014-10-08T16:06:27Z | |
| dc.date.issued | 2006 | |
| dc.description.abstract | Time reversal has aroused considerable interest in communications applications as a means of partially compensating for the intersymbol interference introduced by the channel. This paper presents experimental results for a passive time reversal experiment conducted off the west coast of Portugal during the MREA’2004 mission. A single acoustic projector generated a 2/4-PSK stream at 200 and 400 baud, modulated around a carrier frequency of 3600 Hz. The signals were received at a range of about 2 Km from the source on a sparse vertical array with 8 hydrophones. We examine several strategies for demodulating the data, including equalization, time-reversal, and combinations of both techniques. This work emphasizes the use of low-complexity multichannel combining algorithms for tracking channel variations prior to generating a passively focused signal. | por |
| dc.description.sponsorship | This work was supported by Fundação para a Ciência e a Tecnologia (ISR/IST plurianual funding) through the POS– Conhecimento Program that includes FEDER funds | por |
| dc.identifier.citation | J.P. GOMES, A. SILVA and S. JESUS, ``Joint Passive Time Reversal and Multichannel Equalization for Underwater Communications'' in Proc. OCEANS'06, pp. 1-6. | por |
| dc.identifier.doi | http://dx.doi.org/10.1109/OCEANS.2006.306882 | |
| dc.identifier.isbn | 1-4244-0114-3 | |
| dc.identifier.other | AUT: SJE00662; ASI00912; | |
| dc.identifier.uri | http://hdl.handle.net/10400.1/5229 | |
| dc.language.iso | eng | por |
| dc.peerreviewed | yes | por |
| dc.publisher | IEEE - Institute of Electrical and Electronics Engineers | por |
| dc.subject | Acoustic arrays | por |
| dc.subject | Adaptive equalizers | por |
| dc.subject | Intersymbol interference | por |
| dc.title | Joint passive time reversal and multichannel equalization for underwater communications | por |
| dc.type | book part | |
| dspace.entity.type | Publication | |
| oaire.citation.endPage | 6 | por |
| oaire.citation.startPage | 1 | por |
| oaire.citation.title | OCEANS 2006 | por |
| person.familyName | Silva | |
| person.familyName | Jesus | |
| person.givenName | António | |
| person.givenName | Sergio | |
| person.identifier.ciencia-id | EB17-11D8-E7BD | |
| person.identifier.orcid | 0000-0002-1724-7777 | |
| person.identifier.orcid | 0000-0002-6021-1761 | |
| person.identifier.rid | N-6554-2013 | |
| person.identifier.scopus-author-id | 55846463600 | |
| person.identifier.scopus-author-id | 7003729485 | |
| rcaap.rights | openAccess | por |
| rcaap.type | bookPart | por |
| relation.isAuthorOfPublication | 564df7bf-2e6e-46bf-a80b-d37570d3b78d | |
| relation.isAuthorOfPublication | e0226ece-3767-4beb-ab80-868e8897c14a | |
| relation.isAuthorOfPublication.latestForDiscovery | e0226ece-3767-4beb-ab80-868e8897c14a |
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