NDLI: Win–win relationship between macrocell and femtocells for spectrum sharing in LTE-A

Content Provider	IET Digital Library
Author	Hamouda, Soumaya Zitoun, Monia Tabbane, Sami
Abstract	Heterogeneous networks (HetNets) are likely to provide a ubiquitous access to the mobile broadband services as they involve various small cells, each targeting a different environment in the network. However, the application of the advanced resource allocation techniques is highly needed in order to handle the inter-cell interference and fully exploit the benefits of such networks. In this study, the authors address the spectrum sharing problem in a HetNet composed of a macrocell and several femtocells. They propose a new approach in which macrocell and femtocells can simultaneously share the available bandwidth, while avoiding the intra-tier interference and helping the macrocell to offload by expanding the cell range of some femtocells. The author's approach is formulated as a Stackelberg game, in which the macrocell is selling bandwidths to femtocells in exchange of some victim macro-users to serve, mainly the macro-users who undergo severe interference from the neighbouring femtocells. They demonstrated that their game theoretic reaches a stable state called Stackelberg equilibrium analytically and by simulations. More importantly, they show that overall network performance is improved in terms of total femtocells’ throughputs and spectral efficiency of the macro-users who are in the vicinity of the femtocells.
Starting Page	1109
Ending Page	1116
Page Count	8
ISSN	17518628
Volume Number	8
e-ISSN	17518636
Issue Number	Issue 7, May (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/8/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.0845
Journal	IET Communications
Publisher Date	2014-03-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Advanced Resource Allocation Technique Electromagnetic Compatibility Femtocells Femtocellular Radio Game Theoretic State Game Theory Heterogeneous Network HetNets Intercell Interference Interference Intratier Interference Long Term Evolution LTE-A Macrocell Mobile Broadband Services Mobile Radio System Radio Frequency Interference Radio Spectrum Management Spectrum Sharing Problem Stackelberg Equilibrium Stackelberg Game Victim Macrousers Win-win Relationship
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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