Weak-Coverage User Compensation for RIS-Assisted Plateau LoRa Multi-User Downlink Coverage Enhancement
This paper studies coverage imbalance in reconfigurable intelligent surface (RIS)-assisted plateau LoRa multi-user downlink transmission. Terrain blockage, propagation distance, and scattering diversity cause heterogeneous channel qualities, which may leave weak users with high bit error rate (BER) and outage risk even...