Forward Error Correction Schemes for Data Communication Through Underwater Channel

 450.00 475.00

Author Name Dr. Raj Kumar Goswami
Book Type E-Book
Categories Engineering
Language English
Pages 147
Published Date 2022
Publisher
Size B5
ISBN
Forward Error Cor...

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The surveillance of harbor, detection of mines, detection of enemy submarine and mapping of ocean bottom are crucial factors for any country’s defence mechanism. The advent of Autonomous Underwater Vehicle (AUV) as an underwater robot has revolutionized the surveillance and navigation system particularly in the field of underwater warfare. AUVs are also deployed to carry different payloads for undertaking specific task where it is not possible for humans to be employed. The precise navigation, safe maneuvering of AUV in the constrained environment, transmission of the collected data to onboard Mission Computer System (MCS), to ship or shore-based Remote Controlling Station (RCS) and the receiving of commands from RCS to AUV are the important factors in the development of the AUV. The performance of the AUV is limited due to the complex underwater characteristics and precise estimates of the object’s signatures. The underwater characteristics such as time varying multipath and Doppler spreads cause low throughput and high bit error rates in the transmitted AUV data. In underwater medium, the use of Radio Frequencies (RF) has been restricted due to the fast attenuation of the Electromagnetic Waves. On the other hand, Sound waves (Acoustic Signals) travel exceptionally well through the water. The images are collected through Sector Scan Sonar (SSS) fitted onboard AUV. After processing these images, the data corresponding to range, bearing, size and shape of the objects is extracted and transmitted to the RCS using wireless communication through underwater channel. Therefore, a need arose to reliably transmit these data through a complex environment encountered in the underwater channel.

Objective

The objective is to bring out the various Forward Error Correction (FEC) schemes that minimizes the Bit Error Rate (BER) while the data is transmitted through the underwater channel. With respect to the design of the FEC schemes it is to be noted that the underwater channel is a multipath dominant channel and fading is quite prominent in this channel. It has been observed that the convolutional coding based schemes perform better in the multipath environment. This book will be highly useful to the researchers engaged in the data communication in underwater environment.

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Categories:,
Author Name

Dr. Raj Kumar Goswami

Categories

Engineering

Language

English

Pages

147

Published Date

2022

Publisher

Size

B5

Book Format

e-Book

Author's Details

Dr. Raj Kumar Goswami is Professor of Electronics and Communication Engineering and Principal of Gayatri Vidya Parishad College of Engineering for Women, Visakhapatnam, India. An avid academician and engineer with more than 30 years of R&D, Industrial and Teaching experience, he has published more than 80 research papers in various journals of national and international repute and conferences. He is certified Six Sigma Black Belt professional and also has to his credit ‘Masters in Management Studies’ from Osmania University, Hyderabad. His areas of interest include Communication Engineering, Signal Processing, Image Processing, Artificial Intelligence, Software Engineering and Contemporary Management. Dr. RK Goswami is Chartered Engineer, Senior Member of IEEE, Fellow of IE(India) and IETE. He is also the Life member of CSI, AIMA, IIIE and Institution of Aeronautical Society of India.

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