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Original paper

Pilot Power Allocation Through User Grouping in Multi-Cell Massive MIMO Systems

Volume: 65, Issue: 4, Pages: 1561 - 1574
Published: Dec 28, 2016
Abstract
In this paper, we propose a relative channel estimation error (RCEE) metric, and derive closed-form expressions for its expectation \rm {Exp}_{rcee}and the achievable uplink rate holding for any number of base station antennas M with the least squares (LS) and minimum mean squared error (MMSE) estimation methods. It is found that RCEE and \rm {Exp}_{rcee}converge to the same constant value when M\rightarrow\infty resulting in the...
Paper Details
Title
Pilot Power Allocation Through User Grouping in Multi-Cell Massive MIMO Systems
Published Date
Dec 28, 2016
Volume
65
Issue
4
Pages
1561 - 1574
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