Terminologies Channel (FDM): each modulated signal requiresa certain bandwidth centered on its carrierfrequency, referred to as a channel.Subcarrier: each of the multiple carriers isreferred to as a subcarrier. Its frequency isdenoted by fi. f, must be chosen so that thebandwidths of various signals do notsignificantly overlap
Terminologies • Channel (FDM): each modulated signal requires a certain bandwidth centered on its carrier frequency, referred to as a channel. • Subcarrier: each of the multiple carriers is referred to as a subcarrier. Its frequency is denoted by fi . fi must be chosen so that the bandwidths of various signals do not significantly overlap
Frequency Division MultiplexingDiagram9PUubuoSebespuueeeimfsJ4J3Frequencyf2
Frequency Division Multiplexing Diagram