Abstract
In this paper, a modelling and simulation software is designed in order to evaluate the performance of a multi radio integrated navigation system and the performance evaluation results are presented. The modelling and simulation software is divided into navigation algorithm module, navigation environment generation module, and graphic user interface module with performance evaluation algorithm. In order to show the validity of the design, the modelling and simulation software for GPS, KNSS, Loran-C, eLoran, and DME/VOR is implemented in C++ under Windows OS environment. Accuracy, integrity, continuity and availability are evaluated for the multi radio integrated navigation system in the modelling and simulation software. The performance evaluation results show that the designed modelling and simulation software can be effectively used for the performance evaluation of multi radio integrated navigation systems.
Highlights
The NAVWAR (NAVigation WARfare) is defined as the deliberate defensive and offensive action to assure and prevent positioning, navigation and timing information [1]
The navigation genertation module generates measurements for the navigaiton algorithms. It can be seen from figure 4 that motion of the vehicle, signal transmission characteristics and effect of NAVWAR environment are reflected in the navigation environment generation module
A modelling and simulation software has been designed in order to evaluate the performance of a multi radio integrated navigation system and the performance evaluation results have been presented
Summary
The NAVWAR (NAVigation WARfare) is defined as the deliberate defensive and offensive action to assure and prevent positioning, navigation and timing information [1]. The NAVWAR effect is reflected in the navigation environment generation part and performance evaluation for the navigation algorithm in this situation is performed. In order to evaluate the performance of the multi radio integrated navigation system under NAVWAR in the M&S S/W, the M&S S/W should satisfy the following requirements. - In order for the user to set parameters of the multi radio navigaiton algorithm, measurement generation and performance evaluation and check the results of navigation algorithm and performance evalution, a GUI (Graphic User Interface) should be prepared. In order to perform evaluation of navigaiton algorithms, the whole outputs of the navigation algorithm for one trajectory are needed, there is no data exchange of performance evaluation part with other function module For this reason, the performnce evaluation part is included in the GUI module in the M&S S/W
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