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Performance Analysis of QOS-aware Resource Scheduling Strategies in LTE Femtocell Networks

Author(s): Davinder Singh#1 , Dr. Preeti

Journal: International Journal of Engineering Trends and Technology
ISSN 2231-5381

Volume: 4;
Issue: 7;
Start page: 2977;
Date: 2013;
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Keywords: LTE | OFDMA | Femtocells | Heterogeneous Networks | QOS | Downlink Scheduling | Radio-Resource Management

OFDMA based-Long-term evolution (LTE) femtocells represent a very promising answer to the ever rising bandwidth demand of mobile applications. Femtocells, standardised as HeNBs, are end user deployed network nodes for indoor environment with a network backhaul provided by the digital subscriber line (DSL) or cable modem. The base station called as Femtocell Access Point can be easily deployed in adhoc manner. Femtocells improve the coverage in indoor scenarios and provide better user experience, thereby increasing the network capacity.Resource allocation strategies play a key role in distributing radio resources among different stations, with fine time and frequency resolutions by taking into consideration the channel conditions as well as QoS requirements. The present paper provides performance comparisons of radio resource scheduling strategies such as Proportional-Fair (PF), Modified Largest Weighted Delay First (MLWDF), Exponential Rule, Exponential/PF (EXP/PF), LOG Rule and Frame Level Scheduler (FLS) with stress on QoS provisioning capabilities in the context of heterogeneous urban scenario with both macro and femtocells.
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