Abstract
In this paper, we study the connection and secrecy performance under two-tier cellular network during uplink phase, where both large-scale factor (path propagation loss) and small-scale factor (Nakagami fading) are considered., which are beyond the scope of the existing works. Analytical expressions of network connection and secrecy probabilities are derived., which are validated through Monte Carlo simulations. Numerical results reveal that the theoretical expressions of connection and secrecy probabilities are in good agreement with simulation results. Moreover, simulation results demonstrate that larger $m$ value, which means stronger LOS component, leads to a worse connection performance, but a better secrecy secrecy performance.
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