EngineeringCommunicationElectrical EngineeringDigital CommunicationInterference ManagementModulationRadio Frequency Interference MitigationSpectrum AllocationSpectrum ManagementSpread Spectrum CommunicationFrequency ModulationModulation TechniquesMultiplexing TechniquesPulse Code ModulationPulse ModulationSignal Multiplexing
PCM, pulse code modulation, is a new solution to the problem of overcrowded frequency spectrum. It appears to have exceptional possibilities from the standpoint of freedom from interference, and seems to have inherent advantages over other types of multiplexing.