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JPL's Wireless Communication Reference WebsiteChapter: Analog and Digital Transmission
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Figure:
Local-mean Bit Error Rate for MC-CDMA versus Eb/N0
in a dispersive Rayleigh-fading channel with independent fading at adjacent subcarriers.
Synchronous downlink with spread factor N and N simultaneous users. Receiver: adaptive wiener
filtering.
(1) Analytical expression for infinitely many subcarriers
(2) 64 subcarriers (N = 64)
(3) Single subcarrier, same result as average BER in slowly fading, non-dispersive Rayleigh fading
channel
(4) Standard erfc function for AWGN LTI non-dispersive channel