Equalization for Underwater Acoustic Coded OFDM Communication System Over Multipath Fading Via Simulation Platform
Padmasree Challa1, M. Satya Anuradha2, V. Shireesha3, P. Chaya Devi4

1Padmasree Challa, Department of ECE, ANITS, Visakhapatnam (Andhra Pradesh), India.

2M. Satya Anuradha, Department of ECE, Andhra University, Visakhapatnam (Andhra Pradesh), India.

3V. Shireesha, ANITS Department of Electronics and Communication Engineering, VSKP India.

4P. Chaya Devi, Assistant Professor, ANITS. Area of Research, Antennas and Communication, India.

Manuscript received on 23 November 2019 | Revised Manuscript received on 11 December 2019 | Manuscript Published on 30 December 2019 | PP: 292-294 | Volume-9 Issue-2S3 December 2019 | Retrieval Number: B10751292S319/2019©BEIESP | DOI: 10.35940/ijitee.B1075.1292S319

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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open-access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: In underwater shallow acoustic communication (UWSAC) channel, due to the reflections from bottom and surface, multiple paths propagated resulting Inter Symbol Interference (ISI). In this paper we present the bit error performance of convolution coded orthogonal frequency division multiplexing (CCOFDM) UWSAC system with the implementation of adaptive equalization to minimize the ISI over AWGN and Rayleigh fading based on Recursive least square (RLS) and Filtered Error Least Mean Squares (FELMS) Algorithms. From the simulation results it is observed that FELMS shown to improve BER as compared to an RLS with CCOFDM system.

Keywords: UWSAC, CCOFDM, Channel Equalization, FELMS, RLS.
Scope of the Article: Wireless Communication