Abstract
In this paper, we develop a two-stage access control and resource allocation algorithm for machine-to-machine (M2M) communications in smart grid. In the first stage, we propose a contract-based incentive mechanism to motivate some delay-tolerant machine-type communication (MTC) devices to postpone their access demands. In the second stage, a long-term cross-layer online resource allocation approach is proposed based on Lyapunov optimization, which jointly optimizes rate control, power allocation, and channel selection. Particularly, the joint power allocation and channel selection problem is solved by a pricing-based stable matching approach. Finally, the performance of the proposed algorithm is verified.
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