Radio Map-Based Spectrum Sharing for Joint Communication and Sensing

• DOI: 10.48550/arxiv.2401.02118
• Publication Date: 2024-01-01
• Authors: Xionran Fang; Wei Feng; Yunfei Chen; Dingxi Yang; Ning Ge; Zhiyong Feng; Yue Gao
• Keywords: Transmitter power output; Channel state information

The sixth-generation (6G) network is expected to provide both communication and sensing (C&S) services. However, spectrum scarcity poses a major challenge the harmonious coexistence of C&S systems. Without effective cooperation, interference resulting from sharing impairs performance This paper addresses within distributed network. Different traditional schemes that require pilot-based high-frequency interactions between systems, we introduce third party named radio map large-scale channel state information (CSI). With CSI, optimize transmit power systems maximize signal-to-interference-plus-noise ratio (SINR) for radar detection, while meeting ergodic rate requirement interfered user. Given non-convexity objective constraint, employ techniques auxiliary-function-based scaling fraction programming simplification. Subsequently, propose an iterative algorithm solve this problem. Simulation results collaborate our idea extrinsic information, i.e., positions surroundings, decouple interference.