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Navigation Signal Simulator for Performance Analysis of GNSS Signals

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Deepak Mishra, Sweta Bhardwaj, Alak Banik, T. V. S Ram, Parimal Majithiya Published in Signal Processing

Navigation Signal Simulator for Performance Analysis of GNSS Signals
Communications on Applied Electronics
Year of Publication: 2015
© 2015 by CAE Journal
Series Volume 1 Number 7
Authors Deepak Mishra, Sweta Bhardwaj, Alak Banik, T. V. S Ram, Parimal Majithiya
10.5120/cae-1600
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Deepak Mishra, Sweta Bhardwaj, Alak Banik, T v s Ram and Parimal Majithiya. Article: Navigation Signal Simulator for Performance Analysis of GNSS Signals. Communications on Applied Electronics 1(7):24-30, May 2015. Published by Foundation of Computer Science, New York, USA. BibTeX

@article{key:article,
	author = {Deepak Mishra and Sweta Bhardwaj and Alak Banik and T.v.s Ram and Parimal Majithiya},
	title = {Article: Navigation Signal Simulator for Performance Analysis of GNSS Signals},
	journal = {Communications on Applied Electronics},
	year = {2015},
	volume = {1},
	number = {7},
	pages = {24-30},
	month = {May},
	note = {Published by Foundation of Computer Science, New York, USA}
}

Abstract

Interoperability and compatibility is the main goal for current GNSS systems. A concept of Global Navigation Satellite System (GNSS) is to use all navigation system together to provide better capabilities compared with those that would be achieved relying solely on one service or signal. Compatibility, on the other hand, assures that existing GNSS signal is not degrading each other below certain threshold. GNSS provider is concerned about their own signal as well as other signals from different service provider for co-existence. For this reason interference analysis of current GNSS signal is the most needed requirement in current scenario. India is developing its own regional navigation systems named as Indian Regional Navigation Satellite System (IRNSS). An in-house tool is developed with suitable Graphic User Interface (GUI) which provides static analysis of different type of interference parameters and indicates its compatibility with already existing signals. Using the tool, this paper analyzes the degradation in IRNSS signal performance due to various navigation signals in different bands via consideration of parameters such as Power Spectral Density, Root Mean Square (RMS) Bandwidth and Rectangular Bandwidth. A detailed interference analysis of proposed signals is also calculated. In this paper, an attempt is made to analyze & review few suitable navigation signals for IRNSS in various navigation bands.

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Keywords

PSD, GNSS, SSC, IRNSS, GPS, RMS.