Wednesday, 17 Apr, 2024




Enhanced BER Analysis and Interference Cancellation in SFBC-OFDM with Timing Offset

International Journal of Research in Signal Processing, Computing & Communication System Design

Volume 4 Issue 1

Published: 2018
Author(s) Name: N. Sreekanth | Author(s) Affiliation: Professor, Department of ECE, MRECW, Secunderabad, Telangana, India.
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In this paper, we proposed an iterative receiver for MIMO-OFDM systems. Based on this receiver, solutions to two of the most important problems in OFDM systems have been provided, namely, inter carrier interference cancellation and inter symbol interference cancellation over time-selective and frequency-selective fading channels. This work describes the development of a novel ICI and ISI mitigation technique in MIMO-OFDM systems with timing offset algorithm for OFDM systems. Among the previously mentioned issues, this section tends to the development of timing estimation algorithm with increased accuracy and decreased computation complexity for LTE downlink application. In this topic we consider an SFBC-OFDM system with timing offset ()m, derive the mathematical expressions for the interference provoked and propose the interference cancelling receiver. The influence of timing offset ()m on a MIMO-OFDM system has been derived theoretically and evaluated from results of Bit Error Rate (BER) simulations.

Keywords: ICI, ISI, MIMO-OFDM, Timing Offset.

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