TRITON: high-speed maritime wireless mesh network

TLDR

There is a growing need for low‑cost, high‑speed maritime communication driven by regulatory and crew welfare demands. The TRITON project aims to develop a high‑speed, low‑cost maritime communication system. TRITON implements a wireless mesh network built on IEEE 802.16, featuring protocol enhancements, multi‑transceiver hardware with antenna switching, intelligent middleware that switches to satellite links when mesh coverage is sparse, and prototype implementations validated through link performance measurements. Analysis of real ship traffic data and field‑trial measurements demonstrate that the mesh network is feasible in dense shipping lanes and can effectively support maritime communications.

Abstract

This article presents the TRI-media Telematic Oceanographic Network (TRITON) project, which aims to develop a high-speed and low-cost maritime communication system. The article includes information pertaining to background studies, high-level architecture, network feasibility, maritime communication environment, technology developments, prototype implementations and link performance measurements. The motivation for this project stems from the fact that there is an increasing need for low-cost and high-speed maritime communication, with demands mainly coming from regulatory and crew welfare needs. The system described in this article is a wireless mesh network based on the IEEE 802.16. An analysis of the node connectivity based on real ship traffic data shows that the network is feasible in shipping lanes with a high density of ships. The system also considers the use of an intelligent middleware to allow communications to switch back to a satellite link in cases where neighboring ships are sparse or at locations far away from mesh base stations. Protocol enhancements to both the Medium Access Control (MAC) and networking layers and a hardware design that features multiple transceivers and the implementation of antenna switching to counter sea wave reflection and rocking problems are presented. Measurements of field trials show that the proposed wireless mesh network could be an effective solution for maritime communications.