Combined learning for energy efficiency in heterogeneous cellular networks

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    Abstract

    In this paper, we investigate improving energy ef?ciency in heterogeneous cellular networks (HCNs). A Stackelberg learning game is ?rst formulated, in which the macrocells behave as the leaders and the small-cells are followers. In the beginning of each epoch (every T time slots are de?ned as one epoch), the leaders update their power adaptation policies by knowing the best-responses of all followers, while the followers compete against each other in each time slot with only the leaders' action information. The hierarchy in learning procedure indicates the macrocell states in any two consecutive epochs are highly correlated. Then the small-cells' historical policy information can be leveraged to enhance the learning performance. Accordingly, a combined learning framework is established, through combining the Stackelberg learning formulation and the technique of transfer learning, to tell players how to plan the action decisions. Simulations presented show that the combined learning algorithm substantially improves the energy ef?ciency of HCNs.
    Original languageEnglish
    Title of host publicationGreen Cellular 2013
    Subtitle of host publication24th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC Workshops 2013
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages21-25
    ISBN (Electronic)978-1-4799-0122-7
    DOIs
    Publication statusPublished - 2013
    MoE publication typeNot Eligible
    Event24th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2013 - London, United Kingdom
    Duration: 8 Sep 201311 Sep 2013
    Conference number: 24

    Conference

    Conference24th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2013
    Abbreviated titlePIMRC'13
    CountryUnited Kingdom
    CityLondon
    Period8/09/1311/09/13

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  • Cite this

    Chen, X., Zhang, H., & Lasanen, M. (2013). Combined learning for energy efficiency in heterogeneous cellular networks. In Green Cellular 2013: 24th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC Workshops 2013 (pp. 21-25). IEEE Institute of Electrical and Electronic Engineers. https://doi.org/10.1109/PIMRCW.2013.6707829