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Under-water Optical Communication

   School of Engineering & Physical Sciences

   Applications accepted all year round  Competition Funded PhD Project (Students Worldwide)

About the Project

Underwater wireless sensor network (UWSN) that consists of many distributed nodes (such as seabed sensors, relay buoys, autonomous underwater vehicles (AUVs) and remotely operated underwater vehicles (ROVs), and etc.) is becoming increasingly important and widely used for offshore ocean exploration. Underwater wireless communication (UWC) technology is one of the key technologies enabling the realization of UWSN.

Traditionally, acoustics communication is the most dominant technique for underwater wireless links achieving a long link distance up to tens of kilometers. However, underwater acoustics is limited to low transmission data rate in the order of kbps. Underwater optical communication (UWOC) provides unprecedentedly high transmission data rate thanks to the large available bandwidth (THz). It also has advantages of high security, low power requirements, and low latency comparing to the acoustic communication systems.

This project will research on advanced technologies (such as advanced modulation and DSP, machine learning signal processing, and etc) to enable high-speed, long distance, low-cost UWOC system ( It can be used to support harvesting data from underwater sensor nodes from roaming AUVs, and/or to serve as high bandwidth link between sections of UASN.

The candidate will collaborate closely with the Ocean System Lab and National Robotarium.

We are looking for motivated candidates with strong physics/optics/opto-electronics/electronics engineering/telecommunication background.

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