Design and Implementation of Real - Time Operating System for a GPS Navigation Computer 


Vol. 8,  No. 4, pp. 429-438, Dec.  2001
10.3745/KIPSTA.2001.8.4.429


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  Abstract

GPS (Global Positioning System) is the most ideal navigation system which can be used on the earth irrespective of time and weather conditions. GPS has been used for various applications such as construction, survey, environment, communication, intelligent vehicles and airplanes and the needs of GPS are increasing in these days. This paper deals with the design and implementation of the RTOS (Real-Time Operating System) for a GPS navigation computer in the GPS/INS integrated navigation system. The RTOS provides the optimal environment for execution and the base platform to develop GPS application programs. The key facilities supplied by the RTOS developed in this paper are priority-based preemptive scheduling policy, dynamic memory management, intelligent interrupt handling, timers and IPC, etc. We also verify the correct operations of all application tasks of the GPS navigation computer on the RTOS and evaluate the performance by measuring the overhead of using the RTOS services.

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[IEEE Style]

J. S. Bae, D. K. Song, C. H. Lee, H. J. Song, "Design and Implementation of Real - Time Operating System for a GPS Navigation Computer," The KIPS Transactions:PartA, vol. 8, no. 4, pp. 429-438, 2001. DOI: 10.3745/KIPSTA.2001.8.4.429.

[ACM Style]

Jang Sik Bae, Dae Ki Song, Cheol Hoon Lee, and Ho Jun Song. 2001. Design and Implementation of Real - Time Operating System for a GPS Navigation Computer. The KIPS Transactions:PartA, 8, 4, (2001), 429-438. DOI: 10.3745/KIPSTA.2001.8.4.429.

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