Implementation of IPC-Based GUI for Real-Time SDR Software to Monitor GNSS Jamming Signals 


Vol. 44,  No. 8, pp. 1614-1622, Aug.  2019
10.7840/kics.2019.44.8.1614


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  Abstract

This paper proposes an efficient GUI structure to monitor jamming signal in real time for GNSS SDR. The proposed structure uses two processes. The SDR processes the GNSS signal in real-time to obtain PVT. The GUI was designed to effectively show using signal spectrum, correlation value, C/N0, pseudorange and PVT that can be obtained in signal processing to monitor the jamming signal. SDR process was implemented by C++ and CUDA for real-time processing of GNSS signal, GUI process was implemented by C# and named pipe of IPC was used to transmit and receive data between two processes. SDR operation and an effect of jamming signal were confirmed in real-time through GUI by GNSS signal that added CW jamming signal using the signal generator. GNSS SDR used 1.2MB of buffer and 288MB of memory usage to process 25 satellite signals in real time. We confirmed that the operation time is 0.88sec and it works in real time. The proposed GUI structure can be used in real-time jamming monitoring and anti-jamming system.

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  Cite this article

[IEEE Style]

J. Park, K. Park, C. Park, "Implementation of IPC-Based GUI for Real-Time SDR Software to Monitor GNSS Jamming Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 8, pp. 1614-1622, 2019. DOI: 10.7840/kics.2019.44.8.1614.

[ACM Style]

Jong-Il Park, Kwi-Woo Park, and Chansik Park. 2019. Implementation of IPC-Based GUI for Real-Time SDR Software to Monitor GNSS Jamming Signals. The Journal of Korean Institute of Communications and Information Sciences, 44, 8, (2019), 1614-1622. DOI: 10.7840/kics.2019.44.8.1614.

[KICS Style]

Jong-Il Park, Kwi-Woo Park, Chansik Park, "Implementation of IPC-Based GUI for Real-Time SDR Software to Monitor GNSS Jamming Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 44, no. 8, pp. 1614-1622, 8. 2019. (https://doi.org/10.7840/kics.2019.44.8.1614)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880