Link-Level Simulator for 5G Localization

Channel-state-information-based localization using 5G systems has been a promising way to achieve high-accuracy positioning results compared to previous communication systems. However, current 5G simulation platforms neglect the impact of hardware impairments and RF environment on 5G localization. Therefore, designing a unified and effective link-level simulation platform is very important to evaluate the performance of advanced positioning algorithms. This paper releases a link-level simulator for 5G localization, where all communication modules are closely compatible with the latest new radio physical-layer standards. The released simulator supports the link modeling at sub-6GHz and millimeter-wave frequency bands. Particularly, the critical simulation components that determine the localization perfomance are designed and integrated. Finally, we present an application case to evaluate the simulator, i.e., two-dimensional mobile terminal localization. The numerical results present the performance comparison of localization algorithms in various impairment conditions.