## 7 Ground-Segment Optimization Aspects
### Applicable Optimization Methods for Ground Segment
#### 7.2.2 Long Short-Term Memory (LSTM)
[CrossRef]
* [PERSON] and [PERSON] (2021) [PERSON]; [PERSON] Designing Large-Scale Constellations for the Internet of Space Things With CubeSats. _IEEE Internet Things J._**2021**, \(8\), 1749-1768. [CrossRef]
* [PERSON] and [PERSON] (2021) [PERSON]; [PERSON] A Robust Airport Runway Detection Network Based on R-CNN Using Remote Sensing Images. _IEEE Aerosp. Electron. Syst. Mag._**2021**, _36_, 4-20. [CrossRef]
* [PERSON] et al. (2020) [PERSON]; [PERSON]; [PERSON]; [PERSON] Space-air-ground integrated vehicular network for connected and automated vehicles: Challenges and solutions. _Intell. Converg. Netw._**2020**, \(1\), 142-169. [CrossRef]
* [PERSON] et al. (2022) [PERSON]; [PERSON]; [PERSON]; [PERSON] Blockchain Interoperability in Unmanned Aerial Vehicles Networks: State-of-the-art and Open Issues. _IEEE Access_**2022**, 10; pp. 14463-14479. [CrossRef]* _[PERSON] et al. (2021)_ [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON] [PERSON] Precoder Design for Physical-Layer Security and Authentication in Massive MIMO UAV Communications. _IEEE Trans. Veh. Technol._**2021**, 1. [CrossRef]
* _[PERSON] et al. (2022)_ [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Quantum Cryptography-as-a-Service for Secure UAV Communication: Applications, Challenges, and Case Study. _IEEE Access_**2022**, _10_, 1475-1492. [CrossRef]
* _[PERSON] et al. (2021)_ [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] A Survey on Space-Air-Ground-Sea Integrated Network Security in 6G. _IEEE Commun. Surv. Tutorials_**2021**, 1. [CrossRef]
* _[PERSON] et al. (2020)_ [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] A Systematic Literature Review About the Impact of Artificial Intelligence on Autonomous Vehicle Safety. _IEEE Trans. Intell. Transp. Syst._**2020**, _21_, 4928-4946. [CrossRef]
* _[PERSON] et al. (2018)_ [PERSON]; [PERSON]; [PERSON]; [PERSON] Robust Deep Reinforcement Learning for Security and Safety in Autonomous Vehicle Systems. In Proceedings of the 2018 21 st International Conference on Intelligent Transportation Systems (ITSC), Maui, HI, USA, 4-7 November 2018; pp. 307-312. [CrossRef]
* _[PERSON] et al. (2020)_ [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Implementation of PID Controller with PSO Tuning for Autonomous Vehicle. In Proceedings of the International Conference on Advanced Intelligent Systems and Informatics, Cairo, Egypt, 26-28 October 2019; [PERSON], [PERSON], [PERSON]; Springer International Publishing: Cham, Switzerland, 2020, pp. 288-299. * _Co:_Poisey_ (accessed on 18 December 2021). * _[PERSON] (2001)_ [PERSON] _Orbit and Constellation Design and Management_; Space Technology Library, Microcosm Press and Springer: Berlin, Germany, 2001. * _[PERSON] et al. (2017)_ [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Analysis of Satellite Constellations for the Continuous Coverage of Ground Regions. _[PERSON]. Spaccer. Rocket._**2017**, _54_, 1294-1303. [CrossRef]
* _[PERSON] et al. (2020)_ [PERSON]; [PERSON]; [PERSON] Large constellations of small satellites: A survey of near future challenges and missions. _Aerospace_**2020**, \(7\), 133. [CrossRef]
* _[PERSON] and [PERSON] (1998)_ [PERSON]; [PERSON] The impact of satellite altitude on the performance of LEOS based communication systems. _Wirel. Netw._**1998**, \(4\), 199-213. [CrossRef]
* _[PERSON] et al. (2020)_ [PERSON]; [PERSON] Determination the optimum orbit for low Earth satellites by changing the eccentricity. _J. Phys. Conf. Ser._**2020**, _1530_, 012127. [CrossRef]
* _[PERSON] et al. (2021)_ [PERSON]; [PERSON]; [PERSON] Multi-criteria design of continuous global coverage Walker and Street-of-Coverage constellations through property assessment. _Acta Astronaut._**2021**, _188_, 151-170. [CrossRef]
* _[PERSON] (2002)_ [PERSON] _Orbital Mechanics_; Aiaa: Reston, VA, USA, 2002. * _[PERSON] et al. (2015)_ [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] _Overview of Galileo System_; Springer: Dordrecht, The Netherlands, 2015; pp. 9-33.