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    An interference-aware virtual clustering paradigm for resource management in cognitive femtocell networks

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    Authors
    Tariq, Faisal
    Dooley, Laurence S.
    Poulton, Adrian S.
    Affiliation
    Open University
    Issue Date
    2014-02
    Subjects
    femtocells
    cognitive femtocell networks
    
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    Abstract
    Femtocells represent a promising alternative solution for high quality wireless access in indoor scenarios where conventional cellular system coverage can be poor. They are randomly deployed by the end user, so only post-deployment network planning is possible. Furthermore, this uncoordinated deployment creates severe interference to co-located femtocells, especially in dense deployments. This paper presents a new architecture using a generalised virtual cluster femtocell (GVCF) paradigm, which groups together FAP into logical clusters. It guarantees severely interfering and overlapping femtocells are assigned to different clusters. Since each cluster operates on different band of frequencies, the corresponding virtual cluster controller only has to manage its own FAPs, so the overall system complexity is low. The performance of the GVCF algorithm is analysed from both a resource availability and cluster number perspective. Simulation results conclusively corroborate the superior performance of the GVCF model in interference mitigation, particularly in high density FAP scenarios.
    Citation
    tTariq, F., Dooley, L.S., Poulton, A.S. (2014) 'An interference-aware virtual clustering paradigm for resource management in cognitive femtocell networks' Computers & Electrical Engineering 40 (2):587
    Publisher
    Elsevier
    Journal
    Computers & Electrical Engineering
    URI
    http://hdl.handle.net/10547/593525
    DOI
    10.1016/j.compeleceng.2013.04.006
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S0045790613000918
    Type
    Article
    Language
    en
    ISSN
    0045-7906
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.compeleceng.2013.04.006
    Scopus Count
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    Centre for Research in Distributed Technologies (CREDIT)

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