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The use of vector sensors as receivers for Underwater Acoustic Communicationssystems is gaining popularity. It has become important to obtain performancemeasures for such communication systems to quantify their efficacy. Thefundamental advantage of using a vector sensor as a receiver is that a singlesensor is able to provide diversity gains offered by MIMO systems. In a recentwork novel framework for evaluating capacity of underwater channel wasproposed. The approach is based on modeling the channel as a set of paths alongwhich the signal arrives at the receiver with different Angles of Arrival. Inthis work, we build on that framework to provide a bound on the achievablecapacity of such a system. The analytical bounds have been compared againstsimulation results for a vector sensor based SIMO underwater communicationssystem. The channel parameters are modeled by analysing the statisticsgenerated with Bellhop simulation tool. This representation of the channel isflexible and allows for characterizing channels at differenet geographicallocations and at different time instances. This characterization in terms ofchannel parameters enables the computing of the performance measure (channelcapacity bound) for different geographical locations

Application of Vector Sensor for Underwater Acoustic Communications