New Method Discovered for Underwater Data Communications

October 14, 2008 By News Report

Photo: Ali Abdi NJIT associate professor

Ali Abdi, PhD, associate professor at the New Jersey Institute of Technology, has discovered new communication channels in underwater environments and invented a technique to communicate data through these channels.

Abdi's invention differs from existing systems because his uses acoustic particle velocity channels for data communication, rather than the more common acoustic pressure channels. These channels would be able to provide new and extra canals for data communication.

There are obvious advantages to increasing the number of canals. Not only would they increase the speed and reliability of data reception, but more importantly, by going to Abdi's system manufacturers could shrink the size of the data receivers.

"Today existing receivers rely upon separated pressure-only sensors that are spaced far apart," Abdi said. "Needless to say, array size can be a serious limitation in many situations, including the modern applications of small, autonomous and unmanned underwater vehicles. My new receiver would allow for a smaller, more nimble and easier- to-use product."

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