BER Performance based on Orthogonal Frequency Division Multiplexing in Underwater Acoustic Communication System on non-Gaussian Distribution
Received: 26 January 2025 | Revised: 2 March 2025 | Accepted: 13 March 2025 | Online: 4 June 2025
Corresponding author: Mustafa Sami Ahmed
Abstract
The field of underwater communication has attracted significant attention from researchers interested in investigating activities below the water's surface. The underwater environment presents unique challenges such as limited bandwidth, low data rates, propagation delays, and a high Bit Error Rate (BER). This study focuses on Underwater Acoustic (UWA) communication and analyzes error performance in Amiriyat Fallujah, Al Anbar, Iraq. Orthogonal Frequency Division Multiplexing (OFDM) is a multiplexing technique that has been adopted in UWA along with turbo and convolutional codes. The research revealed that the noise in UWA does not follow a Gaussian distribution, whereas the t-distribution noise is fitted to the collected data. Furthermore, the turbo code exhibited superior performance compared to the convolutional code, achieving a 4.5 dB advantage at a BER of 10-3.
Keywords:
channel coding, OFDM, underwater communicationDownloads
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Copyright (c) 2025 Mustafa Sami Ahmed, Yasir Amer Jawhar, Mustafa Ghanim
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