University of Oulu

A. S. Shafigh, S. Glisic, E. Hossain, B. Lorenzo and L. A. DaSilva, "User-Centric Distributed Spectrum Sharing in Dynamic Network Architectures," in IEEE/ACM Transactions on Networking, vol. 27, no. 1, pp. 15-28, Feb. 2019. doi: 10.1109/TNET.2018.2880843

User-centric distributed spectrum sharing in dynamic network architectures

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Author: Shafigh, Alireza Shams1; Glisic, Savo1; Hossain, Ekram2;
Organizations: 1Center for Wireless Communication, Information Technology and Electrical Engineering Faculty, University of Oulu, 90014 Oulu, Finland
2Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
3Atlantic Research Center for Telecommunication Technologies, University of Vigo, 36310 Vigo, Spain
4Trinity College Dublin, Dublin 2, D02 PN40, Ireland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 2.6 MB)
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Language: English
Published: Institute of Electrical and Electronics Engineers, 2019
Publish Date: 2019-06-03


We develop and analyze a new user-centric networking model for ubiquitous spectrum sharing where every user can share and use the spectrum under uncertainty of their traffic models. In this concept, users when connected to the Internet (wired/wireless) can dynamically serve as access points for other users in their vicinity. For this reason, the concept is referred to as user-centric distributed spectrum sharing. Each user in spectrum sharing mode utilizes a part of its available spectrum for its own traffic and remaining part to share with users in spectrum demanding modes. The model is designed as an operator supervised double-Stackelberg game with network operators, access points, and users as main players. We study network reliability and latency of the system under uncertainty of users’ traffic patterns. The numerical results show that the proposed model, depending on different settings, can significantly improve both profit and utility for network operators and users, respectively. Furthermore, network reliability is significantly improved depending on the network parameters for both users and operators.

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Series: IEEE/ACM transactions on networking
ISSN: 1063-6692
ISSN-E: 1558-2566
ISSN-L: 1063-6692
Volume: 27
Issue: 1
Pages: 15 - 28
DOI: 10.1109/TNET.2018.2880843
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: This work was supported by the WiFiUS Project 243025001/6G-Genesis Flagship of the Academy of Finland. The work of B. Lorenzo was supported by MINECO, Spain, under Grant TEC2016-76465-C2-2-R and Grant EUIN2017-88225.
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