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위성항법시스템은 사용자에게 위치 및 시각 정보를 제공하기 위한 핵심 기술로, 최근 자율 이동체 분야에서 요구되는 높은 정확도 및 신뢰성을 확보하기 위하여 다양한 형태의 위성항법보강시스템이 개발되고 있다. 위성항법보강시스템은 사용자 측위 성능 개선을 위해 지상 기준국에서 수집된 거리 측정치 및 항법 데이터를 기반으로 보강정보를 생성한다. 기준국의 배치 및 간격이 시스템 성능에 중요한 영향을 미치므로, 위성항법보강시스템 구축 시 기준국 설치 지점에 대한 고려가 필요하다. 본 논문에서는 기준국의 배치 및 간격에 따른 사용자 측위 성능 모델링 식을 활용한 신규 기준국 설치 지점 도출 방안을 분석하고 시뮬레이션을 통해 사용자 측위 성능을 최적화할 수 있는 후보군 지역을 선정하여 제안하였다.
In the field of autonomous vehicles, where high accuracy and reliability are critical, various satellite navigation augmentation systems have been developed to improve system performance. These systems generate correction and integrity information based on measurements and navigation data collected from ground reference stations, enhancing user positioning accuracy. Thus, the performance of the system heavily relies on the deployment and spacing of reference stations. To construct an effective satellite navigation augmentation system, careful consideration must be given to the installation points of reference stations. This paper presents a user positioning performance modeling formula and proposes a method for selecting the installation points of new reference stations. The proposed method involves selecting a candidate group area that can optimize the user’s positioning performance. By utilizing this method, the system’s performance can be improved, ensuring high accuracy and reliability for autonomous vehicle applications.번호 | 참고문헌 | 국회도서관 소장유무 |
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1 | J. Lee, S. Pullen, and P. Enge, “Sigma Overbounding using a Position Domain Method for the Local Area Augmentaion of GPS,” in IEEE Transactions on Aerospace and Electronic Systems, Vol. 45, No. 4, pp. 1262-1274, Oct. 2009. | 미소장 |
2 | M. Yoon, and J. Lee, “Medium-scale Traveling Ionospheric Disturbances in the Korean Region on 10 November 2004: Potential Impact on GPS-Based Navigation Systems,” Space Weather, Vol. 12, No. 4, pp. 173-186, April 2014. | 미소장 |
3 | H. Yoon, H. Seok, C. Lim, and B. Park, “An Online SBAS Service to Improve Drone Navigation Performance in High-Elevation Masked Areas,” Sensors, Vol. 20, No. 11, pp. 3047, May 2020. | 미소장 |
4 | J. Song, B. Park, and C. Kee, “Comparative Analysis of Height-Related Multiple Correction Interpolation Methods with Constraints for Network RTK in Mountainous Areas,” Journal of Navigation, Vol. 69, No. 5, pp. 991-1010, Sep. 2016. | 미소장 |
5 | J. Kim, J. Song, H. No, D. Han, D. Kim, B. Park, and C. Kee, “Accuracy Improvement of DGPS for Low-Cost Single-Frequency Receiver Using Modified Flächen Korrektur Parameter Correction,” ISPRS Int. J. Geo-Inf., Vol. 6, No. 7, pp. 222, July 2017. | 미소장 |
6 | K. Park, D. Lee, and J. Seo, “Dual-polarized GPS antenna array algorithm to adaptively mitigate a large number of interference signals,” Aerosp. Sci. Technol., Vol. 78, pp. 387-396, July 2018. | 미소장 |
7 | K. Park, and J. Seo, “Single-antenna-based GPS antijamming method exploiting polarization diversity,” IEEE Trans. Aerosp. Electron. Syst., Vol. 57, No. 2, pp. 919-934, April 2021. | 미소장 |
8 | D. Yoon, C. Kee, J. Seo, and B. Park, “Position Accuracy Improvement by Implementing the DGNSS-CP Algorithm in Smartphones,” Sensors, Vol. 16, No. 6, pp. 910, June 2016. | 미소장 |
9 | B. Park, J. Kim, C. Kee, and A. Cleveland, “RRC unnecessary for DGPS messages,” in IEEE Transactions on Aerospace and Electronic Systems, Vol. 42, No. 3, pp. 1149-1160, July 2006, doi: 10.1109/TAES.2006.248220. | 미소장 |
10 | B. Park, and C. Kee, “The Compact Network RTK Method: An Effective Solution to Reduce GNSS Temporal and Spatial Decorrelation Error,” The Journal of Navigation, Vol. 63, No. 2, pp. 343-362, Feb. 2010, doi:10.1017/S0373463309990440. | 미소장 |
11 | B. Park, J. Lee, Y. Kim, H. Yun, and C. Kee, “DGPS Enhancement to GPS NMEA Output Data: DGPS by Correction Projection to Position-Domain,” The Journal of Navigation, Vol. 66, No. 2, pp. 249-264, Oct. 2012, doi:10.1017/S0373463312000471. | 미소장 |
12 | C. Lee, Y. Jo, Y. Lee, Y. Cha, B. Park, D. Park, and S. Lee, “Trends of Open PPP/PPP-RTK Correction Services,” Journal of Advanced Navigation Technology, Vol. 26, No. 6, pp. 418-426, Dec. 2022. | 미소장 |
13 | H. Lee, “GNSS 수신기 망 개발 동향,” ICROS, Vol. 12, No. 1, pp. 47-51, Mar. 2006 | 미소장 |
14 | G. Nam, M. Heo, and J. Sim, “위성항법시스템 및 보강시스템의 구축 현황,” Current Industrial and Technological Trends in Aerospace, Vol. 4, No. 1, pp. 65-74, 2007 | 미소장 |
15 | Y. Yun, “An Analysis of Reference Station Distribution impact on KASS UDRE Performance,” Jounal of Advanced Navigation Technology, Vol. 19. No. 3, pp. 207-216, Jun. 2015 | 미소장 |
16 | B. Park, A Study on Reducing Temporal and Spatial Decorrelation Effect in GNSS Augmentation System: Consideration of the Correction Message Standardization, Ph.D. dissertation, Seoul National University, Seoul, 2008 | 미소장 |
17 | E. D. Kaplan, and C. J. Hegarty, Understanding GPS Principles and Applications, Artech House, 2nd Edition, Boston, 2006 | 미소장 |
18 | Y. Lee, Y. Hwang, J. Y. Ahn, J. Seo, and B. Park, “Seamless Accurate Positioning in Deep Urban Area Based on Mode Switching Between DGNSS and Multipath Mitigation Positioning,” in IEEE Transactions on Intelligent Transportation Systems, pp. 1-15, April 2023, doi: 10.1109/TITS.2023.3256040. | 미소장 |
19 | Y. Lee, P. Wang, and B. Park, “Nonlinear Regression-Based GNSS Multipath Dynamic Map Construction and Its Application in Deep Urban Areas,” in IEEE Transactions on Intelligent Transportation Systems, Vol. 24, No. 5, pp. 5082-5093, May 2023, doi: 10.1109/TITS.2023.3246493. | 미소장 |
20 | J. Yun, C. Lim, and B. Park, “Inherent Limitations of Smartphone GNSS Positioning and Effective Methods to Increase the Accuracy Utilizing Dual-Frequency Measurements,” Sensors, Vol. 22, No. 24, pp. 9879, Dec. 2022, https://doi.org/10.3390/s22249879 | 미소장 |
21 | B. Park, C. Lim, J. Wang and Y. T. J. Morton, “Horizontal Drift Velocity and Dimensions of Ionospheric Irregularities Using ROT From a GNSS Receiver Array,” in IEEE Transactions on Geoscience and Remote Sensing, Vol. 60, pp. 1-14, June 2022, doi: 10.1109/TGRS.2022.3186839. | 미소장 |
22 | Y. Lee, and B. Park, “Nonlinear Regression-Based GNSS Multipath Modelling in Deep Urban Area,” Mathematics, Vol. 10, No. 3, pp. 412, Jan. 2022,https://doi.org/10.3390/math10030412 | 미소장 |
23 | Policy, Revised Maritime Policy and Requirements for a Future Global Navigation Satellite System (GNSS), International Maritime Organization, Resolution A. 915 (22), Nov. 2001. | 미소장 |
24 | S. H. Park, K. Y. Seo, D. J. Cho, andS. H. Suh, “A Study on Design of Refernce Stations and Integrity Monitors for Maritime DGPS Recapitalization,” Journal of Navigation and Port Research, Vol. 33, No. 10, pp. 691-697, Dec. 2009 | 미소장 |
25 | K. Ferguson, M. Albright, B. W. Remondi, A. Cleveland, and M. Parsons, “NDGPS Reference Station and Integrity Monitor Architecture Modernization,” Proceeding of the 60th Annual Meeting of The Institute of Navigation, Dayton, OH, pp. 729-740, June 2004 | 미소장 |
26 | C. R. Schwarz, R. A. Snay and T. Soler, “Accuracy assessment of the National Geodetic Survey’s OPUS-RS utility,” GPS Solutions, Vol. 13, No. 2, pp. 119-132, Oct. 2009 | 미소장 |
27 | Natioanl Maritime PNT Office [Internet]. Available: http://www.nmpnt.go.kr, 2020 | 미소장 |
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