PROJECT TITLE :

Comments on “Low-Complexity Power Allocation for Energy Efficiency Maximization in DAS” and a Novel Algorithm for Energy Efficiency Maximization in DAS

ABSTRACT:

In a recent letter, Wu et al. proposed a low complexity algorithm for maximizing the energy potency in distributed antenna systems (DAS). The complexity is shown to be reduced because of decrease in the number of Lambert function calculations. During this letter, we have a tendency to highlight a few mistakes within the proof of Theorem 1 of the Wu et al. letter. Further, we show that the proposed algorithm in the Wu et al. letter cannot achieve optimal power allocation for energy maximization if the number of optimal antennas for a specific user is bigger than 1. Finally, we tend to propose a brand new algorithm to find the optimal power allocation to maximize the energy potency in DAS.