Mobility

Cognitive Machine-to-Machine Communications: Visions and Potentials for the Smart Grid

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Executive Summary

Based upon cognitive radio technology, the authors propose a new Machine-To-Machine (M2M) communications paradigm, namely Cognitive M2M (CM2M) communication. They first motivate the use of cognitive radio technology in M2M communications from different point of views, including technical, applications, industry support, and standardization perspectives. Then, their CM2M network architecture and cognitive machine model are presented and the CM2M systems coexistence in TV white spaces is discussed. After that, a CM2M communications architecture for the smart grid is presented, for which they also propose an energy-efficiency driven spectrum discovery scheme. Numerical results demonstrate significant energy saving and the reliability in supporting data transmissions in the smart grid.

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