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On Developing Techniques for Sharing Satellite Spectrum with Indoor Small Cells in 5G

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  • Rony Kumer Saha

    (Radio and Spectrum Laboratory, KDDI Research, Inc. 2-1-15 Ohara, Fujimino-shi, Saitama 356-8502, Japan)

Abstract

In this paper, we present two spectrum sharing techniques for a multisystem, incorporating an integrated satellite-mobile system and an autonomous terrestrial-mobile system (iSMS/aTMS), namely orthogonal spectrum sharing (OSS) and non-orthogonal spectrum sharing (nOSS) techniques. aTMS consists of numerous small cells deployed in several buildings, and iSMS consists of a satellite station integrated with complementary ground component (CGC) stations deployed within buildings. By exploiting the high external wall penetration loss of a building, the iSMS spectrum is shared with small cells per building in OSS, and small cells per 3-dimensional (3D) cluster per building in nOSS. An interference management scheme, to avoid interference in apartments with collocated CGC stations and small cells, was developed and an optimal number of almost blank subframes (ABSs) per ABS pattern period (APP) was defined. System-level capacity, spectral efficiency, and energy efficiency performance metrics were derived. Furthermore, we present an algorithm for both OSS and nOSS techniques. With extensive simulation and numerical analysis, it is shown that the proposed nOSS significantly outperforms OSS in terms of spectral efficiency and energy efficiency, and both techniques can meet the expected spectral efficiency and energy efficiency requirements for the fifth-generation (5G) mobile networks.

Suggested Citation

  • Rony Kumer Saha, 2020. "On Developing Techniques for Sharing Satellite Spectrum with Indoor Small Cells in 5G," Energies, MDPI, vol. 13(3), pages 1-22, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:3:p:748-:d:318225
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    References listed on IDEAS

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    1. Rony Kumer Saha, 2019. "Realization of Licensed/Unlicensed Spectrum Sharing Using eICIC in Indoor Small Cells for High Spectral and Energy Efficiencies of 5G Networks," Energies, MDPI, vol. 12(14), pages 1-28, July.
    2. Rony Kumer Saha, 2019. "Countrywide Mobile Spectrum Sharing with Small Indoor Cells for Massive Spectral and Energy Efficiencies in 5G and Beyond Mobile Networks," Energies, MDPI, vol. 12(20), pages 1-22, October.
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    1. Rony Kumer Saha, 2019. "Countrywide Mobile Spectrum Sharing with Small Indoor Cells for Massive Spectral and Energy Efficiencies in 5G and Beyond Mobile Networks," Energies, MDPI, vol. 12(20), pages 1-22, October.
    2. Rony Kumer Saha, 2019. "Realization of Licensed/Unlicensed Spectrum Sharing Using eICIC in Indoor Small Cells for High Spectral and Energy Efficiencies of 5G Networks," Energies, MDPI, vol. 12(14), pages 1-28, July.
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