DataEVM (802.11n/ac/ax/be)
(Data Error Vector Magnitude) is the RMS value of the Error Vector Magnitude (in dB) of just the data subcarriers averaged over all OFDM Orthogonal Frequency Division Multiplexing: OFDM employs multiple overlapping radio frequency carriers, each operating at a carefully chosen frequency that is Orthogonal to the others, to produce a transmission scheme that supports higher bit rates due to parallel channel operation. OFDM is an alternative tranmission scheme to DSSS and FHSS. symbols.
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