Implementation of an Empirical Acoustic Channel Model Using OFDM–DWT Technique . Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 63, n. 8, p. 741–749, 2025. DOI: 10.56042/ijpap.v63i8.20097. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/20097. Acesso em: 13 may. 2026.