single carrier frequency division multiple access (LTE) (SC-FDMA)
The Single Carrier Frequency Division Multiple Access(SC- FDMA) method is used in the uplink of Long Term Evolution( LTE). The method combines a low crest factor of a single carrier system with the flexible frequency allocation and long symbol times of Orthogonal Frequency Division Multiplex( OFDM). This technique is used in combination with multi- digit quadrature amplitude modulation (64QAM).