On the Uplink Achievable Rate of Massive MIMO System with Low-Resolution ADC and RF Impairments

Journal article


Xu, L, Lu, X, Jin, S, Gao, F and Zhu, Y (2019). On the Uplink Achievable Rate of Massive MIMO System with Low-Resolution ADC and RF Impairments. IEEE Communications Letters. 23 (3), pp. 502-505.
AuthorsXu, L, Lu, X, Jin, S, Gao, F and Zhu, Y
Abstract

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This paper considers channel estimation and uplink
achievable rate of the coarsely quantized massive multiple-input multiple-output (MIMO) system with radio frequency (RF) impairments. We utilize additive quantization noise model (AQNM) and extended error vector magnitude (EEVM) model to analyze the impacts of low-resolution analog-to-digital converters (ADCs) and RF impairments respectively. We show that hardware impairments cause a nonzero floor on the channel estimation error, which contraries to the conventional case with ideal hardware. The maximal-ratio combining (MRC) technique is then used at the receiver, and an approximate tractable expression for the uplink achievable rate is derived. The simulation results illustrate the appreciable compensations between ADCs’ resolution and RF impairments. The proposed studies support the feasibility of equipping economical coarse ADCs and economical imperfect RF components in practical massive MIMO systems.

Year2019
JournalIEEE Communications Letters
Journal citation23 (3), pp. 502-505
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISSN1089-7798
Digital Object Identifier (DOI)doi:10.1109/lcomm.2019.2895823
Publication dates
PrintMar 2019
Print29 Jan 2019
Publication process dates
Accepted01 Jan 2019
Deposited25 Jun 2020
Accepted author manuscript
License
CC BY 4.0
File Access Level
Open
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