University of Oulu

T. Sanguanpuak, S. Guruacharya, E. Hossain, N. Rajatheva and M. Latva-aho, "On spectrum sharing among micro-operators in 5G," 2017 European Conference on Networks and Communications (EuCNC), Oulu, 2017, pp. 1-6. doi: 10.1109/EuCNC.2017.7980742

On spectrum sharing among micro-operators in 5G

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Author: Sanguanpuak, Tachporn1; Guruacharya, Sudarshan2; Hossain, Ekram2;
Organizations: 1Dept. of Commun. Eng., Univ. of Oulu, Finland
2Dept. Elec. & Comp. Eng., Univ. of Manitoba, Canada
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 0.4 MB)
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Language: English
Published: Institute of Electrical and Electronics Engineers, 2017
Publish Date: 2018-08-06


The growing demand in indoor small cell networks has given rise to the concept of micro-operators (MOs) for local service delivery. We model and analyze a spectrum sharing system involving such MOs where a buyer MO buys multiple licensed subbands provided by the regulator. All small cell base stations (SBSs) owned by a buyer MO can utilize multiple licensed subbands. Once the buyer MO obtain subbands, it allows other MOs to share these subbands. A deterministic model in which the location of the SBSs are known can lead to unwieldy problem formulation, when the number of SBSs is large. As such, we adopt a stochastic geometric model of the SBS deployment instead of a deterministic model. Assuming that the locations of the SBSs can be modeled as a homogeneous Poisson point process, we find the downlink signal-to-interference-plus-noise ratio (SINR) coverage probability and average data rate for a typical user (UE) served by the buyer MO in a spectrum sharing environment. In order to satisfy the QoS constraint, we provide a greedy algorithm to find how many licensed subbands and which subband the buyer MO should purchase from the regulator. We also derive the coverage probability of the buyer MO for interference limited system.

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ISBN: 978-1-5386-3873-6
ISBN Print: 978-1-5386-3874-3
Pages: 1 - 6
Article number: 7980742
DOI: 10.1109/EuCNC.2017.7980742
Host publication: 2017 European Conference on Networks and Communications (EuCNC)
Conference: European Conference on Networks and Communications
Type of Publication: A4 Article in conference proceedings
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: For this work, the authors would like to acknowledge the support from Finnish Funding Agency for Technology and Innovation (TEKES), Nokia Networks, Anite Telecoms, Broadcom Communications Finland, Elektrobit Wireless Communications and Infotech Oulu Graduate School. Also, support from the Natural Sciences and Engineering Research Council of Canada (NSERC) is acknowledged.
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