Auction-based competition of hybrid small cells for dropped macrocell users
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Publication Details
Author list: Basutli B, Lambotharan S
Publisher: Wiley Open Access
Place: HERTFORD
Publication year: 2017
Journal acronym: IET SIGNAL PROCESS
Volume number: 11
Issue number: 6
Start page: 695
End page: 703
Number of pages: 9
ISSN: 1751-9675
eISSN: 1751-9683
Languages: English-Great Britain (EN-GB)
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Abstract
We propose an auction-based beamforming and user association algorithm for a wireless network consisting of a macrocell and multiple small cell access points (SCAs). The SCAs compete for serving the macrocell base station (MBS) users (MUs). The corresponding user association problem is solved by the proposed bid-wait auction method. The authors considered two scenarios. In the first scenario, the MBS initially admits the largest possible set of MUs that it can serve simultaneously and then auctions off the remaining MUs to the SCAs, who are willing to admit guest users in addition to their commitments to serve their own host users. This problem is solved by the proposed forward bid-wait auction. In the second scenario, the MBS aims to offload as many MUs as possible to the SCAs and then admits the largest possible set of remaining MUs. This is solved by the proposed backward bid-wait auction. The proposed algorithms provide a solution that is very close to the optimum solution obtained by using a centralised global optimisation.
Keywords
array signal processing, auction-based beamforming, auction-based competition, backward bid-wait auction method, cellular radio, centralised global optimisation, dropped macrocell users, forward bid-wait auction method, hybrid small cells, macrocell base station user, multiple small cell access points, radio networks, SCAs, user association algorithm, wireless network
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