Taking the positions of pico-cell base stations (PBSs) into consideration, a scheme of cell range expansion (CRE) for maximum sum rate is addressed in heterogeneous multi-input multi-output multi-user wireless networks. The optimal CRE bias obtained numerically by the proposed CRE scheme with intercell interference coordination (ICIC) allows us to maximize the sum rate while successfully maintaining the load balance between the macro-cell base station and PBSs. Numerical results confirm that the proposed CRE scheme with ICIC can provide a higher sum rate than conventional schemes while maintaining balanced load.


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    Title :

    Cell Range Expansion with Geometric Information of Pico-Cell in Heterogeneous Networks


    Contributors:


    Publication date :

    2018-06-01


    Size :

    327848 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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