Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/5168
Título: Accounting for source depth variations in time-reversal communications
Autor: Jesus, S. M.
Ijaz, S.
Silva, A.
Data: 2014
Editora: Scitation
Citação: S.M. JESUS, S. IJAZ and A. SILVA, "Accounting for source depth variations in time-reversal communications", Journal Acoust. Soc. America - Express Letters, September, 2014.
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 travelling 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 path arrival angle. The proposed 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 dB and 4.2 dB, respectively.
Peer review: yes
URI: http://hdl.handle.net/10400.1/5168
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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