Abstract
Presently, underwater acoustic communication is an attractive option for underwater communication because of its low attenuation in underwater compared with electromagnetic waves and optical waves. Underwater communication channel is extremely complex in nature. By using multi-carrier communication, in this complex underwater acoustic communication channel, we perceived high data rate. An attractive multiplexing technique denoted as OFDM is one of the most promising multi-carrier communication methods for underwater environment. In this paper, basic knowledge about underwater acoustic communication and OFDM is given. MATLAB is used as functional software for implementing and defining differential quadrature phase shift keying along with orthogonal frequency division multiplexing.
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