Abstract
Tactical Data Link (TDL) systems are a kind of Mobile Ad Hoc NETwork (MANET) used in diverse maritime operational environments such as natural disasters, surveillance, maritime search, and rescue. A TDL network is usually composed of nodes or units representing surface ships, submarines, and aircrafts able to participate in maritime operations. A routing protocol is required to establish communication between nodes, which guarantees the route from the source node to the destination node. A TDL has been developed in the Colombian Caribbean Sea (CTDL). However, no efficient routing protocol has been implemented. This works to perform a preliminary study to implement an appropriate routing protocol for the CTDL.
 Local environment constraints, in addition to the chosen protocols' performance analysis, will provide preliminary alternatives for a routing protocol with acceptable efficiency. This article provides a background of ad-hoc networks routing protocols, a description of the Colombian Caribbean maritime operational environment, a comparative analysis of routing protocols, and a discussion of conclusions and future developments regarding CTDL.
Highlights
A Tactical Data Link (TDL) is an ad-hoc [1] network with a specific task, characterized for having two or more units equipped with wireless communications with network integration ability establishing a direct or indirect contact
Note that nodes have a Human Machine Interface (HMI), a processor module, and a transmission module that allows for information broadcasting
This paper provides a background on ad-hoc networks, followed by a description of the maritime operational environment in the Colombian Caribbean Sea and a discussion regarding routing protocols, including a comparative analysis among them and, states the conclusions and expectations for future developments of the Colombian Tactical Data Link (CTDL)
Summary
A TDL is an ad-hoc [1] network with a specific task, characterized for having two or more units (nodes) equipped with wireless communications with network integration ability establishing a direct or indirect (through relay nodes) contact. Each node should detect other nodes or units present in the operational scenario to perform a handshake to guarantee an active link, communication, data, and network services, among them Concerning these issues, ad-hoc networks do not solely need to detect other. Ad-hoc networks face many other constraints, such as different hardware brands (computers, mobile phones, communication equipment, etc.), and power consumption becomes critical due to the relay of information packets between nodes, which requires hardware to work permanently. To Submarines, when a submarine navigates at the surface, CTDL requires sharing actuators or sensors information with other units or nodes' and must allow command and control message exchange. Airplanes require TDL capability to share tactical information of processes involving the Safety of Life at Sea. ese features determine the implementation design of the routing protocol.
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