Due to severe attenuation, the transmission distance of electromagnetic waves is significantly limited in water. Hence, underwater acoustic communication has become the domi- nant approach for achieving wireless communication in the ocean. Underwater acoustic communi- cation is very important for both military and civilian usage, and with the speeding up of marine de- velopment, has seen an ever increasing demand. An overview of the challenges in underwater acoustic communications is presented in this paper. We introduce some basic concepts, emphasiz- ing the properties of underwater acoustic channels and current challenges. Then, several typical techniques are presented. To conclude, some future developments are described.

Filename	Size	Update
水声通信技术综述_贾宁.pdf	899426	2018-01-01

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