In recent years, researches on various communication methods have been conducted,
particularly on OFDM (Orthogonal Frequency Division Multiplexing) and CDMA (Code …

This paper compares and analyzes advantages and disadvantages of CDMA (code division
multiple access) and OFDM (orthogonal frequency division multiplexing) transmission …

The performance of underwater wireless communication system is influenced on channel
characteristic. Especially, a delay spread cause by reverberation and multi-path happen the …

The performance of underwater communication system is influenced on channel
characteristic. Delay spread cause by reverberation and multi-path happen the ISI (Inter …

Studies applying multiple carrier method such as OFDM (Orthogonal Frequency Division
Multiplexing) or FMT (Filtered Multi-Tone) to Underwater acoustic communication (UAC) …

In this paper, performance of COFDM (Coded Orthogonal Frequency Division Multiplexing)
which is OFDM with a forward error correction code, is studied in frequency selective fading …

This paper is about the underwater acoustic (UWA) communication using orthogonal signal
division multiplexing (OSDM) in shallow water, whose environment is time spread and …

In this paper we achieve experimental data evaluation using SSB (Single-side band)
modulation in the ocean. Present research in underwater communication is applying digital …

In this paper, performance of underwater acoustic (UWA) OFDM system is studied for long-
range shallow water environment. In order to achieve robust communication link, frequency …

Due to multipath propagation and frequency selective fading, there are many obstacles for
reliable and high data rate underwater acoustic (UWA) communication. OFDM is an …