Abstract: Long Term Evolution is both a standard for wireless data communication and an evolution of the GSM standards. To increase the speed and capacity of wireless data networks was the goal of LTE and it was achieved using signal processing techniques and modulations. The IP based network architecture with reduced latency compared to 3G systems is a major advantage. The release 8 was the primary technique and LTE Advanced is the modified version. In this paper an LTE-uplink model is developed and output from each block is obtained. Different modulation techniques are used in this LTE uplink for the transmission of symbols and for every SNR values the BER of BPSK modulation is observed to be closer to the theoretical value and hence BPSK modulation is better than QPSK modulation in both channels.

Keywords: System capacity, Uplink communication, DFT model, Modulation scheme.