KnowraOrthogonal frequency-division multiplexingLinked fromLinked fromThe 14 pages that link to Orthogonal frequency-division multiplexing, each with the reason it gives.All 14Broader topic 2Related 10Compared with 2Digital televisionBroader topic: Several digital terrestrial television standards use OFDM to resist echoes and multipath interference.Wi-FiRelated: Modern Wi-Fi uses it to transmit data efficiently in radio channels.Signal modulationRelated: It applies digital modulation across parallel subcarriers in modern broadband links.Discrete Fourier transformRelated: Its transmitter and receiver use inverse and forward DFT operations to handle subcarriers efficiently.Quadrature amplitude modulationRelated: Each subcarrier commonly carries QAM symbols in broadband wireless and wired systems.Shannon–Hartley theoremBroader topic: It allocates a wide channel across subcarriers while operating within the same aggregate capacity bound.Multipath propagationRelated: Its long symbol duration and equalization help manage frequency-selective multipath.Digital audio broadcastingRelated: DAB uses OFDM to resist multipath interference across its broadcast channel.Digital terrestrial televisionRelated: Many terrestrial systems use OFDM to handle echoes and multipath in broadcast channels.DemodulationRelated: Its receiver demodulates each subcarrier and corrects distortions before decoding data.Frequency-shift keyingCompared with: OFDM uses many subcarriers simultaneously, unlike FSK’s symbol-by-symbol frequency selection.Frequency-hopping spread spectrumCompared with: It uses many frequencies at once rather than switching a narrowband signal among channels.Digital Multimedia BroadcastingRelated: Its multipath resilience supports reception by moving DMB receivers.Wireless networkRelated: Wi-Fi and cellular systems use OFDM to transmit data efficiently across radio channels.