Abstract
Underwater communication plays a vital role in enabling data transfer between the sea surface and submerged autonomous vehicles, particularly for applications such as ocean monitoring and sea exploration. Compared to conventional acoustic and dominated free space wireless communication, like radio frequency, underwater optical wireless communication (UOWC) offers significantly higher data rates and lower latency. In this paper, we demonstrate the transmission of image data using a light-based optical wireless link from the sea surface to an autonomous underwater vehicle (AUV). The performance of the underwater communication link are evaluated in terms of bit error rate (BER) in various water types, including fresh water, sea water, coastal water, and harbor water. This analysis is essential for understanding the feasibility and reliability of image transfer in diverse underwater environments and supports the design of robust UOWC systems for real-world marine applications.