Deep Reinforcement Learning for Mobile Video Offloading in Heterogeneous Cellular Networks
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abstract
Heterogeneous cellular networks can balance mobile video loads and reduce cell arrangement costs, which is an important technology of future mobile video communication networks. Because of the characteristics of non-convexity of the mobile offloading problem, the design of the optimal strategy is an essential issue. For the sake of ensuring users' quality of service and the long-term overall network utility, this article proposes the distributive optimal method by means of multiple agent reinforcement learning in the downlink heterogeneous cellular networks. In addition, to solve the computational load issue generated by the large action space, deep reinforcement learning is introduced to gain the optimal policy. The learning policy can provide a near-optimal solution efficiently with a fast convergence speed. Simulation results show that the proposed approach is more efficient at improving the performance than the Q-learning method.
