Modeling and Performance Evaluation of 3GPP LTE Channel Encoder/Decoder

Abstract

Long Term Evolution (LTE) of the Universal Mobile Telecommunication System (UMTS) also known as the Evolved Packet System (EPS) is a transilient move in the field of mobile communications. Such a revolution is necessitated by the unceasing increase in demand for high speed connections on networks, low latency and delay, low error rates and resilience because modern users and network applications have become increasingly dependent on these requirements for efficient functionality and performance. Third Generation Partnership Project Long Term Evolution (3GPP LTE) promises high peak data rates for both uplink and downlink transmission, spectral efficiency, low delay and latency, and low bit error rates. These functional and performance targets of 3GPP LTE are laudable and can be met with a great measure of certainty, but then a vital question emerges: What are the prime drivers or enablers for these technology standard requirements to be met? LTE leverages on a number of technologies namely Multi Input Multiple Output (MIMO) antennas, Orthogonal Frequency Division Multiplexing (OFDM) and Orthogonal Frequency Division Multiple Access (OFDMA) at the downlink, Single Carrier Frequency Division Multiple Access (SCFDMA) at the uplink, support for Quadrature Phase Shift Keying (QPSK), 16 Quadrature Amplitude Modulation (16QAM), and 64QAM. This dissertation work evaluates the performance of 3GPP LTE downlink channel coding and decoding. The performance metrics considered are throughput versus SNR and BLER versus SNR and these are used to evaluate the performance of LTE channel coding and decoding. The granular analysis and evaluation of the performance 3GPP LTE is imperative and this dissertation implements this on the downlink side. A thorough analysis and performance evaluation of the LTE downlink with channel coding/decoding is thus the focal point and the results demonstrate that the design goals and requirements of 3GPP LTE can be met with a great deal of reliability and certainty.