# On Developing Techniques for Sharing Satellite Spectrum with Indoor Small Cells in 5G +
## 3 Mathematical Analysis
### Estimation of an Optimal Number of Almost Blank Subframes (ABSs)
(2012)_ [PERSON] Resource Allocation to Terrestrial and Satellite Services. U.S. Patent 8 594 682 B2, 21 February 2012. * _[PERSON] (2004)_ [PERSON] Commercial System Employing Reuse of Satellite Spectrum for Terrestrial Communication. U.S. Patent 6 735 437 B2, 11 May 2004. * _Satellite Earth Stations and Systems (SES). Advanced Satellite Based Scenarios and Architectures for Beyond 3G Systems; TR 102 662, ver. 1.1.1; European Telecommunications Standards Institute (ETSI): Sophia Antipolis Valbonne, France, 2010. * _Use and Examples of Mobile-Satellite Service Systems for Relief Operation in The Event of Natural Disasters and Similar Emergencies_; CH-1211 Geneve 20 Suisse, Report ITU-R M.2149-1; International Telecommunication Union--Radio communication sector (ITU-R): Geneva, Switzerland, 2011. * _In Proceedings of the Federal Communications Commission (FCC), 445 12 th Street, SW, Washington, DC, USA, 12 December 2012. Available online: [[https://www.fcc.gov/document/fcc-proposes-innovative-small-cell-use-35-ghz-band](https://www.fcc.gov/document/fcc-proposes-innovative-small-cell-use-35-ghz-band)]([https://www.fcc.gov/document/fcc-proposes-innovative-small-cell-use-35-ghz-band](https://www.fcc.gov/document/fcc-proposes-innovative-small-cell-use-35-ghz-band)) (accessed on 29 October 2018). * _Study on New (NR) to Support Non Terrestrial Networks (Release 15)_; document 3 GPP TR 38.811; 3 rd Generation partnership Project (3 GPP): Sophia Antipolis Valbonne, France, 2018. * _[PERSON] et al. (2015)_ [PERSON]; [PERSON]; [PERSON] Spectrum Sharing Between Small Cells and Satellites: Opportunities and Challenges. In Proceedings of the IEEE ICCW, London, UK, 8-12 June 2015; pp. 1600-1605. * _[PERSON] (2019)_ [PERSON], R.K. Spectrum Sharing in Satellite-Mobile Multisystem Using 3D In-Building Small Cells for High Spectral and Energy Efficiencies in 5G and Beyond Era. IEEE Access_**2019**, \(7\), 43846-43868. [CrossRef]
* _[PERSON] (2020)_ [PERSON], R.K. A Tactic for Architectural Exploitation of Indoor Small Cells for Dynamic Spectrum Sharing in 5G. IEEE Access_**2020**, \(8\), 15056-15071. [CrossRef]
* _[PERSON] et al. (2012)_ [PERSON]; [PERSON] Coexistence Studies Between LTE-Hotspot Indoor and Earth Station of Fixed Satellite Service in the Band 3400-3600 MHz. In Proceedings of the 2012 IEEE 11 th International Conference on Signal Processing, Beijing, China, 21-25 October 2012; pp. 2275-2278. * _[PERSON] et al. (2015)_ [PERSON] Sharing FSS Satellite C Band with Secondary Small Cells and D2D Communications. In Proceedings of the 2015 IEEE International Conference on Communication Workshop (ICCW), London, UK, 8-12 June 2015; pp. 1606-1611. * _[PERSON] (2019)_ [PERSON], R.K. A Technique for Licensed Spectrum Sharing Between Space-Satellite and Terrestrial-Mobile Heterogeneous Multisystem. In Proceedings of the 2019 Joint Conference on Satellite Communications (JC SAT 2019), JR Hakata City, Fukuoka, Japan, 10-11 October 2019; pp. 103-108. * _[PERSON] et al. (2008)_ [PERSON]; [PERSON]; [PERSON] Femtocell Networks: A Survey. IEEE Commun. Mag. Sep._**2008**, _46_, 59-67. [CrossRef]
* _[PERSON] (2013)_ [PERSON] Femtocells-Secure Communication and Networking; River Publishers: Aalborg, Denmark, 2013; pp. 77-78. * _[PERSON] and [PERSON] (2017)_ [PERSON]; [PERSON] [PERSON] A Tractable Analytical Model for Interference Characterization and Minimum Distance Enforcement to Reuse Resources in Three-Dimensional In-Building Dense Small Cell Networks. Int. J. Commun. Syst._**2017**, _30_, e3240. [CrossRef]* [PERSON] et al. (2012) [PERSON]; [PERSON] [PERSON]; [PERSON] Satellite Cognitive Communications: Interference Modeling and Techniques Selection. In Proceedings of the ASMS/SPSC, Baiona, Spain, 5-7 September 2012; pp. 111-118. * [PERSON] et al. (2019) [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON] [PERSON]; et al. Architectures and Key Technical Challenges for 5G Systems Incorporating Satellites. _IEEE Trans. Veh. Technol._**2019**, _68_, 2624-2639.