One of the fastest growing areas of consumer electronics is multimedia applications based on Wireless communications for Metropolitan Area Network (MAN). It is a rapidly evolving field with ever-increasing data rates to support consumer’s demands for new features, advanced functionality, and services for multimedia content provision. Orthogonal frequency division multiplexing (OFDM) with multiple-input-multiple-output (MIMO) feature is mainly used in the standard for high-speed data communications Worldwide Interoperability for Microwave Access (WiMAX). In the recent past, MIMO-OFDM has been studied at the algorithmic, system design and implementation levels for consumer, and other wireless systems. The forward error correction (FEC) mechanisms play an important role in the performance of MIMO-OFDM systems. One aspect of the MIMO-OFDM system that has not been investigated adequately is the effect of using different combinations of the convolutional encoder and interleaver on the system performance.

    This project presents the performance analysis of four different channel coding schemes for MIMO-OFDM communications systems. A comparison is done based on the BER for various modulation schemes. Each scheme was simulated over a range of SNRs for all the four types of modulations (BPSK, QPSK, 16-QAM, and 64-QAM) with and without OSTBC that are used in WiMAX (IEEE 802.16).

Reference Paper: Analysis and Design of Coding and Interleaving in a MIMO-OFDM Communication System
Author’s Name:  Zafar Iqbal, Saeid Nooshabadi, and Heung-No Lee
Source: IEEE

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