【作者】 王明华； 桑恩方；

【Author】 Wang Minghua Sang Enfang (College of Underwater Acoustics Engineering,Harbin Engineering University,Harbin 150001)

【机构】 哈尔滨工程大学水声工程学院；

【摘要】 信号的多途传输引起的码间干扰是影响高速水声通信的主要障碍之一,特别是深海信道。为了克服码间干扰,结合深海信道的多途特点设计了一种 OFDM 符号结构。仿真结果表明,采用这种 OFDM 符号结构可以很好的降低码间干扰的影响,达到较高的传输速率和较低的误码率。更多还原

【Abstract】 ISI(Intersymbol Interference)caused by multipath is one of the main difficulties in high speed underwater acoustic communication,especially in deep sea channel.In order to overcome ISI,in this paper,considered the characteristic of the deep sea channel,a structure of the OFDM(Orthogonal Frequency Division Multiplexing)symbol is proposed The simulation results have shown that the effect of ISI can be reduced and the system can reach high data rates with low BER by using the structure.更多还原