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By Mark Elo, Marketing Director of RF Products, Keithley Instruments

Commercial radio technology has reached an inflection point, similar to the transition from analog to digital; now we’re moving from single carrier technologies, where we transmit one digital symbol at a time, to a new paradigm, where we’re potentially transmitting hundreds of symbols simultaneously. The technology of choice for this broadband connection is based on a modulation scheme called Orthogonal Frequency Division Multiplexing (OFDM).

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