OFDM (Orthogonal Frequency-Division Multiplexing)

Orthogonal Frequency-Division Multiplexing (OFDM) is a digital communication technique that divides a data stream into multiple smaller streams, transmitted simultaneously over different frequencies. Each stream is orthogonal, meaning they overlap without interfering with each other. This allows for efficient use of bandwidth and enhances resistance to interference and signal loss. OFDM is widely used in technologies like Wi-Fi, 4G, and digital television, enabling fast and reliable data transmission, even in challenging environments. By utilizing many closely spaced frequencies, OFDM improves overall performance and capacity in communication systems.