Research on Cross-layer Congestion Control Strategy Based on Multi-agent Reinforcement Learning in Ad hoc Network
Shao Fei①; Wu Chun①; Wang Li-feng②
①The School of Telecommunications Engineering, Xidian University, Xi’an 710071, China; ②Institute of China Electronic System Engineering Corporation, Beijing 100141, China
Abstract:In the paper, the existence of an Nash equilibrium in the network congestion mode induced by MAC layer competition is proved firstly; Secondly, a cross-layer congestion-control mechanism named WCS is proposed based on WOLF-PHC learning strategy. WCS selects a couple of decoupled node as next-hop nodes at routing layer; Meanwhile, source’s traffic is spitted and forwarded at MAC layer, which improves the space reusing efficiency of link. Simulation result shows that: without any exchanging information, optimum split-flow point of source node will be sought by WOLF-PHC in order to maximize the network throughput; Furthermore, WOLF-PHC will discover new optimum split-flow point in order to adapt to new network environment.
邵 飞; 伍 春; 汪李峰. 基于多Agent强化学习的Ad hoc网络跨层拥塞控制策略[J]. 电子与信息学报, 2010, 32(6): 1520-1524 .
Shao Fei①; Wu Chun①; Wang Li-feng②. Research on Cross-layer Congestion Control Strategy Based on Multi-agent Reinforcement Learning in Ad hoc Network. , 2010, 32(6): 1520-1524 .