A Stochastic Geometry Analysis for Joint Radar Communication System in Millimeter-wave Band

Authors:

Abstract
In this paper, a novel stochastic geometry-based mathematical model is constructed to examine the performance of a millimeter-wave band joint radar communication (JRC) system. The proposed system comprises two sub-systems: the sensing sub-system, in which radar detects mobile users (MUs), and the communication sub-system, in which directional antennas establish communication with the detected users. Both function-alities operate simultaneously to reduce delay and accelerate beam alignment. The system is modeled under realistic fading channel conditions with distributed scatterers and interferers. Several system parameters are considered in the analytical model, including the density of MUs and clutter from surrounding scatterers, the radar cross section (RCS) fluctuations of the target and clutter, radar search time duration, antenna directivity, and bandwidth. The results reveal that the radar sensing sub-system has the greatest impact on the overall system performance, with radar search duration being a crucial parameter for maximizing the average system throughput.

This publication has 20 references indexed in Scilit: