This course provides a comprehensive introduction to key coding technology utilized in physical layer signal processing within 5G New Radio (NR) mobile communications. It may also emphasize security and privacy methodologies pertinent to emerging 6G systems at the physical layer. Furthermore, the course integrates theoretical concepts with practical, link-level wireless communication principles critical for 5G NR implementations through hands-on coding activities and simulations. Aimed at graduate-level students, the curriculum bridges academic theories with industrial applications, preparing students to effectively understand, analyze, and tackle future challenges in advanced wireless communication technology.