On the Energy Efficiency-Spectral Efficiency Trade-Off in the Uplink of CoMP System

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Onireti, Oluwakayode ; Heliot, Fabien ; Imran, Muhammad Ali (2012)
  • Related identifiers: doi: 10.1109/TWC.2011.120911.111494

In this paper, we derive a generic closed-form approximation (CFA) of the energy efficiency-spectral efficiency (EE-SE) trade-off for the uplink of coordinated multi-point (CoMP) system and demonstrate its accuracy for both idealistic and realistic power consumption models (PCMs). We utilize our CFA to compare CoMP against conventional non-cooperative system with orthogonal multiple access. In the idealistic PCM, CoMP is more energy efficient than non-cooperative system due to a reduction in power consumption; whereas in the realistic PCM, CoMP can also be more energy efficient but due to an improvement in SE and mainly for cell-edge communication and small cell deployment. © 2012 IEEE.
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