Název: Modern modulation methods for underwater communication Další názvy: Modern modulation methods for underwater communication Autoři: Küsmüs, Dogan Suleyman Vedoucí práce/školitel: Linhart, Richard Oponent: Veřtát, Ivo Datum vydání: 2012 Nakladatel: Západočeská univerzita v Plzni Typ dokumentu: bakalářská práce URI: http://hdl.handle.net/11025/4041 Klíčová slova: Orthogonal Frequency Division Multiplexing (OFDM); SER; MATLAB Klíčová slova v dalším jazyce: Orthogonal Frequency Division Multiplexing (OFDM); SER; MATLAB Abstrakt: This paper is a study about OFDM modulation for underwater communication system. Study of the theory of OFDM modulation is explained, and a basic simulation was made for the modulator and demodulator structure in MATLAB environment as a study experiment for modern modulation method for underwater communication systems. The symbol-error-ratio (SER) is considered as the main parameter. The simulation is performed as an SNR (signal-to-noise-ratio) versus SER comparison for transmission and reception of modulated signals. OFDM block size is changed in the simulation later to realize the behavior for transmission and reception of modulated signals and to find out how error rate changes based on the size of OFDM block size. Abstrakt v dalším jazyce: This paper is a study about OFDM modulation for underwater communication system. Study of the theory of OFDM modulation is explained, and a basic simulation was made for the modulator and demodulator structure in MATLAB environment as a study experiment for modern modulation method for underwater communication systems. The symbol-error-ratio (SER) is considered as the main parameter. The simulation is performed as an SNR (signal-to-noise-ratio) versus SER comparison for transmission and reception of modulated signals. OFDM block size is changed in the simulation later to realize the behavior for transmission and reception of modulated signals and to find out how error rate changes based on the size of OFDM block size. Práva: Plný text práce je přístupný bez omezení Vyskytuje se v kolekcích: Bakalářské práce / Bachelor´s works (KAE)

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