Journal of Positioning, Navigation, and Timing (J Position Navig Timing; JPNT)
Citation: Lee, T. G., Lee, Y. D., & Lee, K. L., 2023, A Study on Effective Satellite Selection Method for Multi-Constellation GNSS, Journal of Positioning, Navigation, and Timing, 12, 11-22.
Journal of Positioning, Navigation, and Timing (J Position Navig Timing) 2023 March, Volume 12, Issue 1, pages 11-22. https://doi.org/10.11003/JPNT.2023.12.1.11
Received on 22 November 2022, Revised on 07 December 2022, Accepted on 10 December 2022, Published on 30 March 2023.
License: Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/bync/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Taek Geun Lee, Yu Dam Lee, Hyung Keun Lee†
Department of Electronics and Information Engineering, Korea Aerospace University, Gyeonggi-do 10540, Korea
†Corresponding Author: E-mail, hyknlee@kau.ac.kr; Tel: +82-2-300-0131 Fax: +82-02-3158-5769
In this paper, we propose an efficient satellite selection method for multi-constellation GNSS. The number of visible satellites has increased dramatically recently due to multi-constellation GNSS. By the increased availability, the overall GNSS performance can be improved. Whereas, due to the increase of the number of visible satellites, the computational burden in implementing advanced processing such as integer ambiguity resolution and fault detection can be increased considerably. As widely known, the optimal satellite selection method requires very large computational burden and its realtime implementation is practically impossible. To reduce computational burden, several sub-optimal but efficient satellite selection methods have been proposed recently. However, these methods are prone to the local optimum problem and do not fully utilize the information redundancy between different constellation systems. To solve this problem, the proposed method utilizes the inter-system biases and geometric assignments. As a result, the proposed method can be implemented in real-time, avoids the local optimum problem, and does not exclude any single-satellite constellation. The performance of the proposed method is compared with the optimal method and two popular sub-optimal methods by a simulation and an experiment.
multi-GNSS, satellite selection, dilution of precision, inter-system bias
Chi, C., Zhan, X., Wu, T., & Zhang, X. 2019, Ultra-rapid direct satellite selection algorithm for multi-GNSS, In International Conference on Aerospace System Science and Engineering (Singapore: Springer), pp.11-25. http://doi.org/10.1007/978-981-15-1773-0_2
Gerbeth, D., Felux, M., Circiu, M.-S., & Caamano, M. 2016, Optimized selection of satellite subsets for a multi-constellation GBAS, In Proceedings of the 2016 International Technical Meeting of The Institute of Navigation, Monterey, California, 25-28 January 2016, pp.360-367. https://doi.org/10.33012/2016.13412
Hegarty, C, Powers, E., & Fonville, B. 2004, Accounting for timing biases between GPS, modernized GPS, and Galileo signals, In: Proceedings of the 36th annual precise time and time interval (PTTI) meeting, Washington, DC, 7-9 December, pp.307-317
Jeong, H., Jang, H., Kim, K., Lee, J., & Lee, B. 2021, SAT#1 (Preliminary Integration) Test Results of KASS System, Journal of Positioning, Navigation, and Timing, 10, 145151. https://doi.org/10.11003/JPNT.2021.10.2.145
Jing, Y., Zeng, A., Zhao, A., Xu, Y., & Ma, Y. 2019, Analysis on Performance of BDS/GPS Fusion Pseudorange Positioning with ISB and Its Influence on DOP, In China Satellite Navigation Conference (Singapore: Springer), pp.380-388. https://doi.org/10.1007/978-981-13-77518_38
Joo, J. & Heo, M. 2020, Feasibility Study on Korea Positioning System (KPS), Proceedings of Symposium of the Korean Institute of communications and Information Sciences, Yong Pyong, Korea, 5-7 February 2020, pp.937-938. https://www.dbpia.co.kr/journal/articleDetail?nodeId =NODE09346622
Karaim, M., Elsheikh, M., & Noureldin, A. 2018, GNSS error sources, Multifunctional Operation and Application of GPS, pp.69-85. https://doi.org/10.5772/ intechopen.75493
Kim, G., Park, C., & Lim, D. W. 2020, Space Service Volume Augmented with Korean Positioning System at Geosynchronous Orbit, Journal of Positioning, Navigation, and Timing, 9, 327-336. https://doi. org/10.11003/JPNT.2020.9.4.327
Liu, M., Fortin, M.-A., & Landry, Jr., R. 2009, A recursive quasi-optimal fast satellite selection method for GNSS receivers, Proceedings of the 22nd International Technical Meeting of the Satellite Division of the Institute of Navigation 2009 (ION GNSS 2009).
Liu, T., Yuan, Y., Zhang, B., Wang, N., Tan, B., et al. 2017, Multi-GNSS precise point positioning (MGPPP) using raw observations, Journal of Geodesy, 91, 253-268. https://doi.org/10.1007/s00190-016-0960-3
Swaszek, P. F., Hartnett, R. J., & Seals, K. C. 2016, Multiconstellation GNSS: new bounds on DOP and a related satellite selection process, In Proceedings of the 29th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2016), Portland, Oregon, 12-16 September 2016, pp.228-235. https://doi.org/10.33012/2016.14748
Swaszek, P. F., Hartnett, R. J., & Seals, K. C. 2017, Lower bounds on DOP, The Journal of Navigation, 70, 10411061. https://doi.org/10.1017/S0373463317000248
Walter, T., Blanch, J., & Kropp, V. 2016, Satellite selection for multi-constellation SBAS, In Proceedings of the 29th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2016), Portland, Oregon, 12-16 September 2016, pp.1350-1359. https://doi.org/10.33012/2016.14608
Zeng, A., Yang, Y., Ming, F., & Jing, Y. 2017, BDS–GPS intersystem bias of code observation and its preliminary analysis, GPS Solutions, 21, 1573-1581. https://doi. org/10.1007/s10291-017-0636-3
Conceptualization, T. G. Lee; methodology, T. G. Lee; software, T. G. Lee, Y. D. Lee; validation, T. G. Lee; formal analysis, T. G. Lee, H. K. Lee; investigation, Y. D. Lee; resources, H. K. Lee; data curation, T. G. Lee, Y. D. Lee; writing, T. G. Lee; review and editing, H. K. Lee; supervision, H. K. Lee.
The authors declare no conflict of interest.