VIMALA, P.; YAMUNA, G. Pilot Design for Sparse Channel Estimation in Orthogonal Frequency Division Multiplexing Systems. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 72, n. 2, p. 60–68, 2018. DOI: 10.26636/jtit.2018.113817. Disponível em: https://www.jtit.pl/jtit/article/view/610. Acesso em: 10 jul. 2026.