Phase Noise Degradation in Massive MIMO Downlink With Zero-Forcing and Maximum Ratio Transmission Precoding

The effect of phase noise is considered in a downlink massive multiple-input-multiple-output (MIMO) scenario with linear precoding schemes, namely, zero-forcing (ZF) and maximum ratio transmission (MRT). The degradation in terms of signal-to-interference-plus-noise ratio (SINR) and the achievable ra...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2016-10, Vol.65 (10), p.8052-8059
Main Authors: Corvaja, Roberto, Garcia Armada, Ana
Format: Article
Language:English
Subjects:
Interference
Large-scale multiple-input–multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems
massive MIMO
MIMO
OFDM
Phase noise
Signal to noise ratio
Transmitters
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Summary:The effect of phase noise is considered in a downlink massive multiple-input-multiple-output (MIMO) scenario with linear precoding schemes, namely, zero-forcing (ZF) and maximum ratio transmission (MRT). The degradation in terms of signal-to-interference-plus-noise ratio (SINR) and the achievable rate are analytically obtained and compared with simulations. The effect of phase noise is different for the two linear precoding schemes, with MRT showing greater robustness but a lower achievable rate per user. Interestingly, the SINR degradation due to phase noise tends to be independent of the number of base-station antennas when this number is big enough. Moreover, the effects of imperfect channel knowledge at the transmitter are studied, and the comparison between the two precoders confirms greater robustness with MRT.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2015.2508149