GFDM Based Error Correcting Codes in Underwater Acoustic Channel
Lingaiah Jada1, S. Shiyamala2
1Lingaiah Jada*, Dept of ECE, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, India.
2Dr. S. Shiyamala, Professor, Dept of ECE, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, India.
Manuscript received on March 15, 2020. | Revised Manuscript received on March 31, 2020. | Manuscript published on April 10, 2020. | PP: 1353-1356 | Volume-9 Issue-6, April 2020. | Retrieval Number: F4129049620/2020©BEIESP | DOI: 10.35940/ijitee.F4129.049620
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Abstract: In this paper underwater acoustic communication system based on Coded GFDM (CGFDM) is simulated and the performances are analyzed using different error-correcting codes. And also the parameter selection principle of error-correcting code is evaluated. To build practical and high performance CGFDM system the error-correcting codes from low to relatively high computational complexity, such as, convolutional code, RS code, serial concatenated code of RS code plus convo1utional code and turbo code is evaluated. The parameters of code rate, code length, generation polynomial, interleaving and interleaving matrix length are all considered and analyzed elaborately. Finally, the simulating experiments proved that there are some relative1y low complexities systems based on serial concatenated codes of RS code plus convolutional code that are able to gain better performance as the systems based on turbo code.
Keywords: Turbo Code, RS Code, Convolutional Code, Serial Concatenated Code, CGFDM
Scope of the Article: Underwater Sensor Networks