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What is OFDM and how is it related to LTE?

April 26, 2017lte OFDM

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What is OFDM and how is it related to LTE?

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Orthogonal Frequency Division Multiplex (OFDM) is a modulation technique suitable for high data rate communication. OFDM techniques are popular in wireless communications and they form the base technology for standards such as WiMAX IEEE 802.11a/b/g, 802.16e/m. It is also found in the more general broadcasting world of Digital Video Broadcast (DVB) and Digital Audio Broadcast (DAB). OFDM was selected to be used in LTE downlink in December 2005 by 3GPP.