Securing Physical Layer for FHSS Communication System Using Code andPhase Hopping Techniques in CDMA, System Design and Implementation. Journal of Engineering, [S. l.], v. 26, n. 7, p. 190–205, 2020. DOI: 10.31026/j.eng.2020.07.13. Disponível em: https://www.joe.uobaghdad.edu.iq/index.php/main/article/view/1188. Acesso em: 10 may. 2025.