A resource management scheme for hybrid access femtocells in LTE/LTE-A networks

Lee, Ying Loong, Loo, Jonathan ORCID: https://orcid.org/0000-0002-2197-8126 and Chuah, Teong Chee (2015) A resource management scheme for hybrid access femtocells in LTE/LTE-A networks. In: 2015 IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), 30 Aug - 02 Sept 2015, Hong Kong.

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In Long Term Evolution (LTE)/LTE-Advanced (LTE-A) networks, hybrid access femtocells have been introduced as a tradeoff between closed and open access femtocells. However, quality of service (QoS) provisioning in hybrid access femtocells has become more challenging due to different user priority and traffic classes. Existing studies do not consider the LTE/LTE-A protocols and QoS priority of different traffic classes. In this work, a resource management scheme for prioritizing closed subscriber group (CSG) members and QoS provisioning in LTE/LTE-A hybrid access femtocells is proposed. Firstly, an admission control problem and a packet scheduling problem, which account for different user priority and QoS of different traffic classes, are formulated. A lexicographic greedy algorithm and a delay-prioritized scheduling algorithm are proposed to solve the two problems respectively. Simulation results show that the proposed scheme achieves a substantial performance gain in terms of packet loss and fairness for real-time traffic flows, albeit at the cost of lower fairness for non-real-time traffic flows.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9781467367820
Identifier: 10.1109/PIMRC.2015.7343474
Page Range: pp. 1163-1167
Identifier: 10.1109/PIMRC.2015.7343474
Keywords: Resource management, Femtocells, Admission control, Scheduling algorithms, Delays, Scheduling
Subjects: Computing > Systems > Computer networking
Depositing User: Jonathan Loo
Date Deposited: 21 Jun 2017 15:34
Last Modified: 28 Aug 2021 07:23
URI: https://repository.uwl.ac.uk/id/eprint/3473

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