D. Zhou, M. Sheng, J. Li, and Z. Han, “Aerospace Integrated Networks Innovation for Empowering 6G: A Survey and Future Challenges,” IEEE Commun. Surveys Tuts., vol. 25, no. 2, pp. 975–1019, 2023.
Z. Xiang, X. Gao, K.-X. Li, and X.-G. Xia, “Massive MIMO Downlink Transmission for Multiple LEO Satellite Communication,” IEEE Trans. Commun., vol. 72, no. 6, pp. 3352–3364, 2024.
X. Qin, T. Ma, Z. Tang, X. Zhang, H. Zhou, and L. Zhao, “Service-Aware Resource Orchestration in Ultra-Dense LEO Satellite-Terrestrial Integrated 6G: A Service Function Chain Approach,” IEEE Trans. Wireless Commun., vol. 22, no. 9, pp. 6003–6017, 2023.
M. Y. Abdelsadek, A. U. Chaudhry, T. Darwish, E. Erdogan, G. Karabulut-Kurt, P. G. Madoery, O. Ben Yahia, and H. Yanikomeroglu, “Future Space Networks: Toward the Next Giant Leap for Humankind,” IEEE Trans. Commun., vol. 71, no. 2, pp. 949–1007, 2023.
Y. Su, Y. Liu, Y. Zhou, J. Yuan, H. Cao, and J. Shi, “Broadband LEO satellite communications: Architectures and key technologies,” IEEE Wireless Commun., vol. 26, no. 2, pp. 55–61, 2019.
International Telecommunication Union ITU, “Key issues for discussion at WRC-23,” [Online]. Available: https://www.itu.int/hub/2023/10/keyissues-for-discussion-at-wrc-23, 2023, [Accessed: Jan. 16, 2025].
H. Jiang, H. Wang, Y. Hu, and J. Wu, “Dynamic User Association in Scalable Ultra-Dense LEO Satellite Networks,” IEEE Trans. Veh. Technol., vol. 71, no. 8, pp. 8891–8905, 2022.
Z. M. Bakhsh, Y. Omid, G. Chen, F. Kayhan, Y. Ma, and R. Tafazolli, “Multi-Satellite MIMO Systems for Direct Satellite-to-Device Communications: A Survey,” IEEE Commun. Surveys Tuts., pp. 1–1, 2024.
M. Jalali, F. G. Ortiz-Gomez, E. Lagunas, S. Kisseleff, L. Emiliani, and S. Chatzinotas, “Radio Regulation Compliance of NGSO Constellations’ Interference towards GSO Ground Stations,” in 2022 IEEE 33rd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2022, pp. 1425–1430.
S. Tonkin and J. P. de Vries, “NewSpace spectrum sharing: Assessing interference risk and mitigations for new satellite constellations,” in Proc. Telecommunications Policy Research Conf. (TPRC), Washington, DC, USA, 2018.
M. Jalali, F. Ortiz, E. Lagunas, S. Kisseleff, L. Emiliani, and S. Chatzinotas, “Joint Power and Tilt Control in Satellite Constellation for NGSO-GSO Interference Mitigation,” IEEE Open J. Veh. Technol., vol. 4, pp. 545–557, 2023.
Z. Lin, Z. Ni, L. Kuang, C. Jiang, and Z. Huang, “NGSO satellites beam hopping strategy based on load balancing and interference avoidance for coexistence with GSO systems,” IEEE Commun. Lett., vol. 27, no. 1, pp. 278–282, 2023.
M. Jalali, E. Lagunas, A. Haqiqatnejad, S. Kisseleff, and S. Chatzinotas, “Downlink Beamforming Strategies for Interference-Aware NGSO Satellite Systems,” IEEE Open J. Commun. Soc., vol. 5, pp. 3468–3483, 2024.
A. Hills, J. M. Peha, and J. Munk, “Feasibility of Using Beam Steering to Mitigate Ku-Band LEO-to-GEO Interference,” IEEE Access, vol. 10, pp. 74 023–74 032, 2022.
W. Li, L. Jia, Q. Chen, and Y. Chen, “A Game Theory-Based Distributed Downlink Spectrum Sharing Method in Large-Scale Hybrid Satellite Constellations,” IEEE Trans. Commun., vol. 72, no. 8, pp. 4620–4632, 2024.
Y. Guo, C. Skouroumounis, S. Chatzinotas, and I. Krikidis, “On User Association in Large-Scale Heterogeneous LEO Satellite Network,” IEEE Trans. Aerosp. Electron. Syst., vol. 60, no. 5, pp. 5994–6010, 2024.
Q. Wei, Y. Chen, Z. Jia, W. Bai, T. Pei, and Q. Wu, “Energy-Efficient Caching and User Selection for Resource-Limited SAGINs in Emergency Communications,” IEEE Trans. Commun., vol. 73, no. 6, pp. 4121–4136, 2025.
S. Yuan, Y. Sun, M. Peng, and R. Yuan, “Joint Beam Direction Control and Radio Resource Allocation in Dynamic Multi-Beam LEO Satellite Networks,” IEEE Trans. Veh. Technol., vol. 73, no. 6, pp. 8222–8237, 2024.
X. Zhang, S. Sun, M. Tao, Q. Huang, and X. Tang, “Multi-satellite cooperative networks: Joint hybrid beamforming and user scheduling design,” IEEE Trans. Wireless Commun., vol. 23, no. 7, pp. 7938–7952, 2024.
J. Lee, W. Lee, and J.-H. Kim, “Performance Evaluation of Location-based Conditional Handover Scheme using LEO Satellites,” in 2023 14th International Conference on Information and Communication Technology Convergence (ICTC), 2023, pp. 1642–1644.
M. Al-Ansi, J. Querol, M. Alsenwi, E. Lagunas, and S. Chatzinotas, “Enhancing Handover Performance in LEO Satellite Networks with Multi-Connectivity and Conditional Handover Approach,” in 2024 International Conference on Software, Telecommunications and Computer Networks (SoftCOM), 2024, pp. 1–6.
T. S. Abdu, E. Lagunas, V. N. Ha, J. Grotz, S. Kisseleff, and S. Chatzinotas, “Demand-Aware Flexible Handover Strategy for LEO Constellation,” in 2023 IEEE International Conference on Communications Workshops (ICC Workshops), 2023, pp. 978–983.
L. Shi, F. Yang, W. Wu, A. Sun, Y. Sun, and T. Sun, “Load Balancing and Remaining Visible Time based Handover Algorithm for LEO Satellite Network,” in 2022 IEEE 8th International Conference on Computer and Communications (ICCC), 2022, pp. 391–395.
E. Juan, M. Lauridsen, J. Wigard, and P. Mogensen, “Handover Solutions for 5G Low-Earth Orbit Satellite Networks,” IEEE Access, vol. 10, pp. 93 309–93 325, 2022.
H. Zhou, J. Li, K. Yang, H. Zhou, J. An, and Z. Han, “Handover Analysis in Ultra-Dense LEO Satellite Networks With Beamforming Methods,” IEEE Trans. Veh. Technol., vol. 72, no. 3, pp. 3676–3690, 2023.
Y. Li, W. Zhou, and S. Zhou, “Forecast Based Handover in an Extensible Multi-Layer LEO Mobile Satellite System,” IEEE Access, vol. 8, pp. 42 768–42 783, 2020.
F. Yang, W. Wu, Y. Gao, Y. Sun, T. Sun, and P. Si, “Multi-Agent Fingerprints-Enhanced Distributed Intelligent Handover Algorithm in LEO Satellite Networks,” IEEE Trans. Veh. Technol., vol. 73, no. 10, pp. 15 255–15 269, 2024.
A. Haqiqatnejad, F. Kayhan, and B. Ottersten, “Energy-Efficient Hybrid Symbol-Level Precoding via Phase Shifter Selection in mmWave MU-MIMO Systems,” in GLOBECOM 2020 - 2020 IEEE Global Communications Conference, 2020, pp. 1–6.
Z. Xiao, T. He, P. Xia, and X.-G. Xia, “Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication,” IEEE Trans. Wireless Commun., vol. 15, no. 5, pp. 3380–3392, 2016.
J. Chen, F. Gao, M. Jian, and W. Yuan, “Hierarchical Codebook Design for Near-Field mmWave MIMO Communications Systems,” IEEE Wireless Commun. Lett., vol. 12, no. 11, pp. 1926–1930, 2023.
Z. Lin, Z. Ni, L. Kuang, C. Jiang, and Z. Huang, “Multi-satellite beam hopping based on load balancing and interference avoidance for ngso satellite communication systems,” IEEE Trans. on Commun., vol. 71, no. 1, pp. 282–295, 2023.
ITU-R, “Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the fixed-satellite service below 30 GHz,” Recommendation S.1528, 2001.
3GPP, “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Study of AAS Base Station; (Release 12),” 3GPP TR 37.840 V2.0.0, 2013-02.
A. Khalili, S. Zarandi, and M. Rasti, “Joint Resource Allocation and Offloading Decision in Mobile Edge Computing,” IEEE Commun. Lett., vol. 23, no. 4, pp. 684–687, 2019.
M. Grant and S. Boyd, “CVX: Matlab Software for Disciplined Convex Programming, version 2.1,” http://cvxr.com/cvx, Mar. 2014.
K.-Y. Wang, A. M.-C. So, T.-H. Chang, W.-K. Ma, and C.-Y. Chi, “Outage Constrained Robust Transmit Optimization for Multiuser MISO Downlinks: Tractable Approximations by Conic Optimization,” IEEE Trans. Signal Process., vol. 62, no. 21, pp. 5690–5705, 2014.
ITU-R, “Reference FSS earth-station radiation patterns for use in interference assessment involving non-GSO satellites in frequency bands between 10.7 GHz and 30 GHz,” Recommendation S.1428-1, 2001.
3rd Generation Partnership Project (3GPP), “Solutions for NR to Support Non-Terrestrial Networks (NTN),” 3GPP, 3GPP TR 38.821, 2023, release 16, V16.2.0.