Analysis of Nonorthogonal Training in Massive MIMO Under Channel Aging With SIC Receivers
Author(s) -
Ribhu Chopra,
Chandra R. Murthy,
Himal A. Suraweera,
Erik G. Larsson
Publication year - 2019
Publication title -
ieee signal processing letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.815
H-Index - 138
eISSN - 1558-2361
pISSN - 1070-9908
DOI - 10.1109/lsp.2018.2889955
Subject(s) - noma , telecommunications link , channel (broadcasting) , computer science , spectral efficiency , mimo , variance (accounting) , algorithm , computer network , accounting , business
We analyze the effect of channel aging on the achievable rate of time division duplexed massive multiple input multiple output systems serving a number of users under aging channels, using nonorthogonal multiple access (NOMA) and orthogonal multiple access (OMA). Using the recently proposed shared uplink pilot based channel estimation for NOMA, we derive bounds on the channel estimation error vari...
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