Recently, There are increasing number of studies that apply multi-carrier method, a land
mobile communication method, to underwater channel environment in order to enhance the …

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

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

In this paper, we analyzed Alamouti based the MIMO-OFDM system in an underwater
vertical communication channels. These in consideration both the transmission loss the …

수중에서는 매질과 채널의 특성으로 인해 가능한 최대 데이터 전송 속도는 지상통신에서의
데이터 전송 속도에 비해 매우 낮으며, 이를 어떻게 극복하느냐가 매우 중요하다. 특히 천해 …

In this study, performance verification of Resource spread FMT-OFDM system and FMT-
OFDM system is carried out through a simulation in the underwater channel environment …

In this paper, we first analyze the differences of underwater acoustic (UWA) orthogonal
frequency division multiplexing (OFDM) systems and conventional terrestrial OFDM system …

In this paper, for the purpose of providing high data rate services, the multi-hop frame
structure is designed for the underwater acoustic (UWA) short-range system which is …

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