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| Vol., Issue. | | Pages 468-478
Interference management in macro-femtocell and micro-femtocell cluster-based long-term evaluation-advanced green mobile network
This study presents a frequency allocation strategy for macro-femtocell and micro-femtocell cluster-based long-term evaluation-advanced network. In the proposed approach the network is divided into a number of clusters. Each cluster contains a macrocell or a number of microcells. Femtocells are deployed within a macrocell or a microcell. In the proposed strategy fractional frequency reuse is used. Each macrocell and microcell is divided into three regions. Different frequency sets are allocated for macrocell and femtocells in a macro-femtocell cluster. Similarly in a micro-femtocell cluster, different frequency sets are provided to a microcell and the femtocells contained in that microcell. For each region inside a macrocell or a microcell, the allotted frequency band is different from the adjacent region. The path loss model for the macro-femtocell and micro-femtocell cluster-based network is developed in this study. The signal-to-interference-plus-noise ratio and spectral efficiency are determined. The simulation results show that using the proposed strategy signal-to-interference-plus-noise ratio can be increased to ∼62–92%. Simulation results present that macro-femtocell and micro-femtocell cluster-based network reduces the power transmission to ∼48% than that of a macro-femtocell network. Hence it is referred as a green mobile network.
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Interference management in macro-femtocell and micro-femtocell cluster-based long-term evaluation-advanced green mobile network
This study presents a frequency allocation strategy for macro-femtocell and micro-femtocell cluster-based long-term evaluation-advanced network. In the proposed approach the network is divided into a number of clusters. Each cluster contains a macrocell or a number of microcells. Femtocells are deployed within a macrocell or a microcell. In the proposed strategy fractional frequency reuse is used. Each macrocell and microcell is divided into three regions. Different frequency sets are allocated for macrocell and femtocells in a macro-femtocell cluster. Similarly in a micro-femtocell cluster, different frequency sets are provided to a microcell and the femtocells contained in that microcell. For each region inside a macrocell or a microcell, the allotted frequency band is different from the adjacent region. The path loss model for the macro-femtocell and micro-femtocell cluster-based network is developed in this study. The signal-to-interference-plus-noise ratio and spectral efficiency are determined. The simulation results show that using the proposed strategy signal-to-interference-plus-noise ratio can be increased to ∼62–92%. Simulation results present that macro-femtocell and micro-femtocell cluster-based network reduces the power transmission to ∼48% than that of a macro-femtocell network. Hence it is referred as a green mobile network.
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