## 7 Ground-Segment Optimization Aspects
### Applicable Optimization Methods for Ground Segment
#### 7.2.2 Long Short-Term Memory (LSTM)
In Proceedings of the International Conference on Space Information Networks, Wuzhen, China, 19-20 September 2019; pp. 3-15. [CrossRef]
* [PERSON] et al. (2017) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] A reference satellite selection method based on maximal elevation angle during the observation period. In Proceedings of the 2017 Forum on Cooperative Positioning and Service (CPGPS), Harbin, China, 19-21 May 2017; pp. 268-272. [CrossRef]
* [PERSON] et al. (2016) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] Optimized Selection of Satellite Subsets for a Multi-Constellation GBAS. In Proceedings of the 2016 International Technical Meeting of The Institute of Navigation, Monterey, CA, USA, 25-28 January 2016. [CrossRef]
* [PERSON] et al. (2013) [PERSON]; [PERSON]; [PERSON] New applied methods for optimum GPS satellite selection. In Proceedings of the 2013 3 rd Joint Conference of AI Robotics and 5 th RoboCup Iran Open International Symposium, Tehran, Iran, 8 April 2013; pp. 1-6. [CrossRef]
* [PERSON] et al. (2016) [PERSON]; [PERSON]; [PERSON] Satellite Selection for Multi-Constellation SBAS. In Proceedings of the 29 th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2016), Portland, OR, USA, 12-16 September 2016; pp. 1350-1359. [CrossRef]
* [PERSON] and [PERSON] (2021) [PERSON]; [PERSON] Assessing Machine Learning for LEO Satellite Orbit Determination in Simultaneous Tracking and Navigation. In Proceedings of the 2021 IEEE Aerospace Conference (50100), Big Sky, MT, USA, 6-13 March 2021; pp. 1-8. [CrossRef]
* [PERSON] (2020) [PERSON] Simultaneous approximation of a function and its derivatives by Sobolev polynomials: Applications in satellite geodesy and precise orbit determination for LEO CubeSats. _Geod. Geodyn._**2020**, _11_, 376-390. [CrossRef]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Dynamic GPS-based LEO orbit determination with 1 cm precision using the Bernese GNSS Software. _Adv. Space Res._**2020**, _67_, 788-805. [CrossRef]
* [PERSON] and [PERSON] (2013) [PERSON]; [PERSON] Motion and Communication Planning of Unmanned Aerial Vehicles in Delay Tolerant Network using Mixed-Integer Linear Programming. _Model. Identif. Control Nor. Res. Bull._**2013**, _37_, 77-97. [CrossRef]
* [PERSON] et al. (2015) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Optimization of Wireless Sensor Network and UAV Data Acquisition. _J. Intell. Robot. Syst._**2015**, _78_, 159-179. [CrossRef]
* [PERSON] et al. (2018) [PERSON]; [PERSON]; [PERSON] Improving Integrated Terrestrial-Satellite Network Utilization using Near-Optimal Segment Routing. In Proceedings of the 2018 IEEE/CIC International Conference on Communications in China (ICCC Workshops), Beijing, China, 16-18 August 2018; pp. 64-68. * [PERSON] and [PERSON] (2019) [PERSON]; [PERSON] Autonomous Routing for LEO Satellite Constellations with Minimum Use of Inter-Plane Links. In Proceedings of the ICC 2019-2019 IEEE International Conference on Communications (ICC), Shanghai, China, 20-24 May 2019; pp. 1-6. [CrossRef]
* [PERSON] et al. (2021) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] A joint and dynamic routing approach to connected vehicles via LEO constellation satellite networks. _Wirel. Netw._**2021**, 1-3. [CrossRef]
* [PERSON] et al. (2019) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Handover Procedure Design and Performance Optimization Strategy in LEO-HAP System. In Proceedings of the 2019 11 th International Conference on Wireless Communications and Signal Processing (WCSP), Xi'an, China, 23-25 October 2019; pp. 1-7. [CrossRef]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] An AI-Based Optimization of Handover Strategy in Non-Terrestrial Networks. In Proceedings of the 2020 ITU Kaleidoscope: Industry-Driven Digital Transformation (ITU K), Ha Noi, Vietnam, 7-11 December 2020; pp. 1-6. [CrossRef]
* [PERSON] et al.