What is OFDM symbol in LTE?

31 March 2022 Enpatika.com Genel

One of the key elements of LTE is the use of OFDM (Orthogonal Frequency Division Multiplex ) as the signal bearer, as well as OFDM’s associated access schemes, OFDMA (Orthogonal Frequency Division Multiple Access) and SC-FDMA (Single Carrier Frequency Division Multiple Access).

How OFDM is used in LTE?

31 March 2022 Enpatika.com Genel

LTE uses a pre-coded version of OFDM called Single Carrier Frequency Division Multiple Access (SC-FDMA) in the uplink . This is to compensate for a drawback with normal OFDM, which has a very high Peak to Average Power Ratio (PAPR).