Mobility

Joint Time and Spatial Reuse Handshake Protocol for Underwater Acoustic Communication Networks

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Executive Summary

In most existing handshake-based collision avoidance protocols, nodes in the proximity of the transmitter or receiver are kept silent during an ongoing communication session. In this paper, the authors utilize the long propagation delay in the underwater acoustic channel and the (possible) sparsity of the network topology to increase network throughput. They formalize conditions for which a node can transmit even when it is located onehop away from a node participating in another communication session. They consider these conditions as problem constraints and form a distributed collision-avoidance handshake-based protocol, which jointly applies spatial and time reuse techniques.

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