Performance analysis of D2D heterogeneous cellular network based on exclusion zone
Bingxue Liang, Su Zhao, Qi Zhu
Abstract
Bingxue Liang, Su Zhao, Qi Zhu
Abstract
As a key technology of 5G, Device-to-Device (D2D) communication has attracted much attention due to its significant improvement of system spectral efficiency and system capacity. In this paper, distance-based mode selection is applied to determine whether a potential D2D pair can be a real one. Then, in the case of two exclusion zones, the model of D2D communication system is constructed and the coverage probability of D2D pair is derived by utilizing stochastic geometry. Meanwhile, the lower bound of area spectral efficiency (ASE) in closed-form is derived under the condition that the distance is fixed between D2D transmitter (DT) and D2D receiver (DR). Simulation results verify the theoretical analysis and demonstrate that the coverage probability of D2D and the ASE are improved.
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As a key technology of 5G, Device-to-Device (D2D) communication has attracted much attention due to its significant improvement of system spectral efficiency and system capacity. In this paper, distance-based mode selection is applied to determine whether a potential D2D pair can be a real one. Then, in the case of two exclusion zones, the model of D2D communication system is constructed and the coverage probability of D2D pair is derived by utilizing stochastic geometry. Meanwhile, the lower bound of area spectral efficiency (ASE) in closed-form is derived under the condition that the distance is fixed between D2D transmitter (DT) and D2D receiver (DR). Simulation results verify the theoretical analysis and demonstrate that the coverage probability of D2D and the ASE are improved.
Key concepts: Stochastic geometry, Spectral efficiency, Computer science, Transmitter, Mode (computer interface), Coverage probability, Cellular network, Key (lock)