OFDM, OFDMA Businesses and Reference Sites

A Orthogonal Frequency Division Multiplexing (OFDM)
and/or
Orthogonal Frequency Division Multiplexing Access (OFDMA) Businesses

(Products, services and websites vary with time. Please verify.)

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Flash-OFDM - (Fast Low-latency Access with Seamless Handoff Orthogonal Frequency Division Multiplexing)
COFDM - Coded Orthogonal Frequency Division Multiplexing
Frequency-division Multiplexing - (FDM)
Statistical Multiplexing, Time Division Multiplexed (TDM)