Reinforcement Learning-Based Intelligent Resource Allocation for Integrated VLCP Systems

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Abstract
In the letter, an intelligent resource allocation framework based on model-free reinforcement learning (RL) is firstly presented for multi-user integrated visible light communication and positioning (VLCP) systems, in order to maximize the sum rate of users while guarantee the users’ minimum data rates and positioning accuracy constraints. The learning framework can learn the optimal policy under unknown environment’s dynamics and the continuous-valued space, and a reward function is proposed to take into account the strict communication and positioning constraints. Moreover, a modified experience replay actor-critic (MERAC) RL approach is proposed to improve the learning efficiency and convergence speed, which efficiently collects the reliable experience and utilizes the most useful knowledge from the memory. Numerical results show that the MERAC approach can effectively learn to satisfy the strict constraints and achieve the fast convergence speed.
Funding Information
  • Delta-NTU Corporate Lab for Cyber-Physical Systems
  • Delta
  • National Research Foundation Singapore

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