Immersive services such as virtual reality (VR) and holography demand multi-gigabit throughput and ultra-low latency. To meet these demands, THz-band directional communication is essential but vulnerable to LoS blockages in dynamic responsive spaces. To address this issue, we propose a Responsive-Space Directional MAC (RS-DMAC) based on Dueling Double DQN. RS-DMAC jointly learns the selection of beams and relay nodes using an observation-driven RL formulation based on communication-level measurements. Simulation results demonstrate that RS-DMAC achieves higher throughput, lower latency, and improved link reliability compared to conventional schemes for immersive service requirements, while maintaining a reasonable energy-efficiency trade-off.
Park et al. (Fri,) studied this question.