OFDM: Principles and Challenges (original) (raw)

This paper discusses Orthogonal Frequency Division Multiplexing (OFDM) as a vital technology for high data rate communications in future wireless applications. It outlines the principles of OFDM, its historical context, and the challenges it addresses, including channel distortion and efficient use of spectrum. Key advancements in the development of OFDM are highlighted, showcasing its transformation from military applications to prominent telecommunications systems, emphasizing the impact of digital signal processing advancements on its implementation.