Development of a GNSS Signal Generator Considering Reception Environment of a Vehicle 


Vol. 37,  No. 9, pp. 811-820, Sep.  2012


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  Abstract

GNSS signal is vulnerable to jamming signal because of well-known signal structure and weak signal power. For these reasons, the need for analysis of jamming effects and anti-jamming techniques of is increasing. In this paper, a GNSS signal generator is designed which includes a radio wave propagation model for six kind of tactical environments and a body masking model for the reception environment of a vehicle. The radio wave propagation model for downtown, rural, forest, coastline, waste land and snow or ice area is designed using two-ray model. The body masking model is designed the effect which the antenna is affected by the reception environment of a vehicle and radiation pattern from a user configuration. The performance of generated signals from the GNSS signal generator considering reception environment of a vehicle is evaluated by a commercial GPS L1 receiver(NordNav) in normal and jamming environment. Also, the generated GNSS signal is compared to a commercial GPS L1 H/W based RF signal generator(STR4500). The results show that the designed GNSS signal generator in a normal environment compared to the same navigation performance. In jamming environment, it is shown that the body masking effect and GNSS signal acquisition and tracking loss in compliance with the jamming signal are precisely working in the reception environment of a vehicle.

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  Cite this article

[IEEE Style]

S. L. Cho, C. Park, S. W. Hwang, Y. S. Choi, J. H. Lee, S. J. Lee, J. Pack, D. Lee, G. Jee, "Development of a GNSS Signal Generator Considering Reception Environment of a Vehicle," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 9, pp. 811-820, 2012. DOI: .

[ACM Style]

Sung Lyong Cho, Chansik Park, Sang Wook Hwang, Yun Sub Choi, Ju Hyun Lee, Sang Jeong Lee, Jeong-Ki Pack, Dong-Kook Lee, and Gyu-In Jee. 2012. Development of a GNSS Signal Generator Considering Reception Environment of a Vehicle. The Journal of Korean Institute of Communications and Information Sciences, 37, 9, (2012), 811-820. DOI: .

[KICS Style]

Sung Lyong Cho, Chansik Park, Sang Wook Hwang, Yun Sub Choi, Ju Hyun Lee, Sang Jeong Lee, Jeong-Ki Pack, Dong-Kook Lee, Gyu-In Jee, "Development of a GNSS Signal Generator Considering Reception Environment of a Vehicle," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 9, pp. 811-820, 9. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880