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This document discusses techniques for multiuser MIMO systems with imperfect channel state information. It proposes a non-cooperative energy-efficient uplink power control game where each user updates its own power to maximize energy efficiency given estimation errors. The game is shown to have a unique Nash equilibrium. A pricing mechanism is also studied to improve the efficiency of the Nash equilibrium. Simulations show the proposed schemes significantly improve energy efficiency for mobile users in upli

Author

Sreedhar Nagavelly

Language

EN