Mobility

Improving Network Energy Efficiency Through Cooperative Idling in the Multi-Cell Systems

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Executive Summary

Network Energy Efficiency (NEE) is considered as the metric to address the energy efficiency problem in the cooperative multi-cell systems in this paper. At first, three typical schemes with different levels of cooperation, i.e., interference aware game theory, inter-cell interference cancellation, and multicell joint processing, are discussed. For both unconstrained and constrained case, efficient power control strategies are developed to maximize the NEE. During the optimization, both the optimization objects and strategies are distinct because of different levels of data and channel state information at the transmitter sharing.

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