Abstract

To avoid degradation of navigation performance in the navigation warfare environment, the multi-radio integrated navigation system can be used, in which all available radio navigation systems are integrated to back up Global Navigation Satellite System (GNSS) when the GNSS is not available. Before real-time multi-radio integrated navigation systems are deployed, time and cost can be saved when the modeling and simulation (M&S) software is used in the performance evaluation. When the multi-radio integrated navigation system M&S is comprised of independent function modules, it is easy to modify and/or to replace the function modules. In this paper, the M&S software design method was proposed for multi-radio integrated navigation systems as a GNSS backup under the navigation warfare. The M&S software in the proposed design method consists of a message broker and function modules. All the messages were transferred through the message broker in order to be exchanged between the function modules. The function modules in the M&S software were independently operated due to the message broker. A message broker-based M&S software was designed for a multi-radio integrated navigation system. In order to show the feasibility of the proposed design method, the M&S software was implemented for Global Positioning System (GPS), Korean Navigation Satellite System (KNSS), enhanced Long range navigation (eLoran), Loran-C, and Distance Measuring Equipment/Very high-frequency Omnidirectional Radio range (DME/VOR). The usefulness of the proposed design method was shown by checking the accuracy and availability of the GPS only navigation and the multi-radio integrated navigation system under the attack of jamming to GPS.

Highlights

  • The simulation is defined as the imitative representation of the functioning of one system or process by means of the function of another and the modeling is defined as producing a representation or simulation [1]

  • In order to show the feasibility of the proposed design method, the modeling and simulation (M&S) software was implemented for Global Positioning System (GPS), Korean Navigation Satellite System (KNSS), enhanced Long-range navigation (eLoran), Loran-C, and Distance Measuring Equipment/Very high-frequency Omnidirectional Radio range (DME/VOR)

  • An M&S software design method was proposed for multi-radio integrated navigation systems as a Global Navigation Satellite System (GNSS) backup under navigation warfare

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Summary

Introduction

The simulation is defined as the imitative representation of the functioning of one system or process by means of the function of another and the modeling is defined as producing a representation or simulation [1]. The performance of the multi-radio integrated navigation system was evaluated under the navigation warfare environment through the M&S software. The effect of the jammer power to GPS measurements was modeled and included in the navigation environment generation module of the implemented M&S software. A message broker-based multi-radio integrated navigation M&S software was designed using the proposed method. The receiver is under attack of a jammer, no measurements or measurements with a largeFor error are available [4].performance and distribution of the signal sources, coverage analysis can a given navigation. The multi-radio integrated navigation system M&S software should provide environments various navigation environments and operation scenarios. Measurements for various navigation environments and operation scenarios should be generated to test a multi-radio integrated navigation algorithm.

Message Broker-Based Software Design Method
Message Broker
Function
Design of a Message
Navigation
Navigation Environment Generation Module
Coverage Analysis Module
Navigation Algorithm Module
GUI Module
The availabilityofinposition
Findings
Concluding Remarks and Further Studies
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