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RL-MAC: A QoS-Aware Reinforcement Learning based MAC Protocol for Wireless Sensor Networks

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2 Author(s)
Zhenzhen Liu ; Dept. of Electr. & Comput. Eng., Tennessee Univ. ; Elhanany, I.

This paper introduces RL-MAC, a novel adaptive media access control (MAC) protocol for wireless sensor networks (WSN) that employs a reinforcement learning framework. Existing schemes center around scheduling the nodes' sleep and active periods as means of minimizing the energy consumption. Recent protocols employ adaptive duty cycles as means of further optimizing the energy utilization (W. Ye et al., 2004)(T.V. Dam and K. Langendoen, 2003). However, in most cases each node determines the duty cycle as a function of its own traffic load. In this paper, nodes actively infer the state of other nodes, using a reinforcement learning based control mechanism, thereby achieving high throughput and low power consumption for a wide range of traffic conditions. Moreover, the computational complexity of the proposed scheme is moderate rendering it pragmatic for practical deployments. Quality of service can easily be implemented in the proposed framework as well

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Networking, Sensing and Control, 2006. ICNSC '06. Proceedings of the 2006 IEEE International Conference on

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