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Performance Analysis of MIMO Mobile Underwater Acoustic Networks

The paper considers the average frame error probability (FEP) of mobile underwater acoustic networks consisting of autonomous underwater vehicles (AUV’s) with multiple transmitters and receivers (MIMO). The MIMO AUV's utilize multihop transmissions to route the information through the network. It is based on a modified version of the reserve listen and go transmission protocol that incorporates request to send (RTS) and clear to send (CTS) messages before the transmission with the aim of reducing the impact of network interference. The mobility model is direction persistent. Each channel experiences frequency dependent path loss, Ricean fading and interference. Numerical examples illustrate the average route FEP performance. Keywords—underwater acoustic networks, mobility, MIMO, frame error probability.