Performance Evaluation of a RIS-Enabled Hybrid THz/RF System Using Hard and Soft Switching for Next-Generation IoT Networks

This study presents a novel RIS-enabled hybrid THz/RF communication framework with hard and soft switching strategies to support the diverse connectivity requirements of future IoT networks. Closed-form analytical expressions for outage probability and average bit error rate are derived, while the results demonstrate the superior performance of soft switching under various fading conditions, highlighting its capability to provide reliable, adaptive, and high data rate connectivity for next-generation IoT applications.