Fair resource allocation with interference mitigation and resource reuse for LTE/LTE-A femtocell networks

Lee, Ying Loong, Loo, Jonathan ORCID: https://orcid.org/0000-0002-2197-8126, Chuah, Teong Chee and El-Saleh, Ayman A. (2016) Fair resource allocation with interference mitigation and resource reuse for LTE/LTE-A femtocell networks. IEEE Transactions on Vehicular Technology, 65 (10). pp. 8203-8217. ISSN 0018-9545

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Joint consideration of interference, resource utilization, fairness, and complexity issues is generally lacking in existing resource allocation schemes for Long-Term Evolution (LTE)/LTE-Advanced femtocell networks. To tackle this, we employ a hybrid spectrum allocation approach whereby the spectrum is split between the macrocell and its nearby interfering femtocells based on their resource demands, whereas the distant femtocells share the entire spectrum. A multiobjective problem is formulated for resource allocation between femtocells and is decomposed using a lexicographic optimization approach into two subproblems. A greedy algorithm of reasonably low complexity is proposed to solve these subproblems sequentially. Simulation results show that the proposed scheme achieves substantial throughput and packet loss improvements in low-density femtocell deployment scenarios while performing satisfactorily in high-density femtocell deployment scenarios with substantial complexity and overhead reduction. The proposed scheme also performs nearly as well as the optimal solution obtained by exhaustive search.

Item Type: Article
Identifier: 10.1109/TVT.2016.2514535
Additional Information: © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Fairness, femtocell, hybrid spectrum allocation, interference, Long-Term Evolution (LTE)/LTE-Advanced (LTE-A), resource allocation, resource utilization
Subjects: Computing > Systems > Computer networking
Construction and engineering > Electrical and electronic engineering
Computing > Systems
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Depositing User: Jonathan Loo
Date Deposited: 07 Jun 2017 12:34
Last Modified: 06 Feb 2024 15:52
URI: https://repository.uwl.ac.uk/id/eprint/3400


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