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Antenna Allocation and Pricing in Virtualized Massive MIMO Networks via Stackelberg Game

Liu, Y; Derakhshani, M; Parsaeefard, S; Lambotharan, S; Wong, KK; (2018) Antenna Allocation and Pricing in Virtualized Massive MIMO Networks via Stackelberg Game. IEEE Transactions on Communications , 66 (11) 5220 -5234. 10.1109/TCOMM.2018.2846574. Green open access

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Abstract

We study a resource allocation problem for the uplink of a virtualized massive multiple-input multiple-output (MIMO) system, where the antennas at the base station are priced and virtualized among the service providers (SPs). The mobile network operator (MNO) who owns the infrastructure decides the price per antenna, and a Stackelberg game is formulated for the net profit maximization of the MNO, while minimum rate requirements of SPs are satisfied. To solve the bi-level optimization problem of the MNO, we first derive the closed-form best responses of the SPs with respect to the pricing strategies of the MNO, such that the problem of the MNO can be reduced to a single-level optimization. Then, via transformations and approximations, we cast the MNO’s problem with integer constraints into a signomial geometric program (SGP), and we propose an iterative algorithm based on the successive convex approximation (SCA) to solve the SGP. Simulation results show that the proposed algorithm has performance close to the global optimum. Moreover, the interactions between the MNO and SPs in different scenarios are explored via simulations.

Type: Article
Title: Antenna Allocation and Pricing in Virtualized Massive MIMO Networks via Stackelberg Game
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/TCOMM.2018.2846574
Publisher version: https://doi.org/10.1109/TCOMM.2018.2846574
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/
Keywords: Resource allocation, massive MIMO, Stackelberg games, convex approximation, antenna allocation
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10053036
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