Distributed massive MIMO in cellular networks: Impact of imperfect hardware and number of oscillators. Björnson, E., Matthaiou, M., Pitarokoilis, A., & Larsson, E. G. In 2015 23rd European Signal Processing Conference (EUSIPCO), pages 2436-2440, Aug, 2015. doi abstract bibtex Distributed massive multiple-input multiple-output (MIMO) combines the array gain of coherent MIMO processing with the proximity gains of distributed antenna setups. In this paper, we analyze how transceiver hardware impairments affect the downlink with maximum ratio transmission. We derive closed-form spectral efficiencies expressions and study their asymptotic behavior as the number of the antennas increases. We prove a scaling law on the hardware quality, which reveals that massive MIMO is resilient to additive distortions, while multiplicative phase noise is a limiting factor. It is also better to have separate oscillators at each antenna than one per BS.
@InProceedings{7362822,
author = {E. Björnson and M. Matthaiou and A. Pitarokoilis and E. G. Larsson},
booktitle = {2015 23rd European Signal Processing Conference (EUSIPCO)},
title = {Distributed massive MIMO in cellular networks: Impact of imperfect hardware and number of oscillators},
year = {2015},
pages = {2436-2440},
abstract = {Distributed massive multiple-input multiple-output (MIMO) combines the array gain of coherent MIMO processing with the proximity gains of distributed antenna setups. In this paper, we analyze how transceiver hardware impairments affect the downlink with maximum ratio transmission. We derive closed-form spectral efficiencies expressions and study their asymptotic behavior as the number of the antennas increases. We prove a scaling law on the hardware quality, which reveals that massive MIMO is resilient to additive distortions, while multiplicative phase noise is a limiting factor. It is also better to have separate oscillators at each antenna than one per BS.},
keywords = {antenna arrays;cellular radio;MIMO communication;phase noise;distributed massive multiple-input multiple-output;distributed massive MIMO;array gain;coherent MIMO processing;proximity gains;distributed antenna setups;transceiver hardware impairments;maximum ratio transmission;closed-form spectral efficiencies expressions;scaling law;additive distortions;multiplicative phase noise;cellular networks;MIMO;Antennas;Hardware;Distortion;Downlink;Phase noise;Arrays},
doi = {10.1109/EUSIPCO.2015.7362822},
issn = {2076-1465},
month = {Aug},
}
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