Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/7359
Título: Path specific Doppler compensation in time-reversal communications
Autor: Jesus, S. M.
Siddiqui, S.I.
Silva, A.
Data: 2015
Editora: Acoustical Society of America
Resumo: Passive time reversal (pTR) is a low complexity receiver scheme that uses multichannel probing for time signal refocusing, thus reducing time spreading and improving inter-symbol interference. Recognizing that signals traveling through different paths are subject to arrival-angle-related Doppler displacements, this letter proposes a further improvement to pTR that applies correcting frequency shifts optimized for beams formed along each specific path arrival angle. The proposed channel equalizer is tested with real data, and the results show that the proposed approach outperforms both pTR and the modified pTR channel combiners providing an MSE gain of 4.9 and 4.2 dB, respectively. © 2015 Acoustical Society of America.
Peer review: yes
URI: http://hdl.handle.net/10400.1/7359
DOI: https://dx.doi.org/10.1121/1.4915005
ISSN: 0001-4966
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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