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Achievable Rates for Full-Duplex Massive MIMO Systems With Low-Resolution ADCs/DACs

Dai, Jianxin, Liu, Juan, Wang, Jiangzhou, Zhao, Junxi, Cheng, Chonghu, Wang, Jin-Yuan (2019) Achievable Rates for Full-Duplex Massive MIMO Systems With Low-Resolution ADCs/DACs. IEEE Access, 7 . pp. 24343-24353. ISSN 2169-3536. (doi:10.1109/ACCESS.2019.2900273) (KAR id:73610)

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This paper investigates the uplink and downlink achievable rates of full-duplex (FD) massive multi-input-multi-output (MIMO) systems in which low-resolution analog-to-digital converters/digital-to-analog converters (ADCs/DACs) are employed and maximum ratio combining/maximum ratio transmission processing are adopted. Then, employing an additive quantization noise model, we derive approximate expressions of the uplink and downlink achievable rates, in which the effect of the quantization error, the loop interference, and the inter-user interference is considered. The theoretical results show that using proper power scaling law and more antennas can eliminate the interference and the noise. Furthermore, under the fixed number of antennas, the uplink and downlink approximate achievable rates will become a constant, as the number of quantization bits tends to infinity. Increasing the resolution of ADCs/DACs will limitedly improve the system performance but cause excessive overhead and power consumption, so adopting low-resolution ADCs/DACs in FD massive MIMO systems is sensible.

Item Type: Article
DOI/Identification number: 10.1109/ACCESS.2019.2900273
Uncontrolled keywords: analogue-digital conversion;antenna arrays;digital-analogue conversion;diversity reception;interference suppression;MIMO communication;quantisation (signal);FD massive MIMO systems;full-duplex massive MIMO systems;downlink achievable rates;full-duplex massive multiinput-multioutput systems;additive quantization noise model;quantization error;loop interference;inter-user interference;downlink approximate achievable rates;analog-to-digital converters;low-resolution ADC-DAC;digital-to-analog converters;uplink achievable rates;maximum ratio transmission processing;maximum ratio combining;interference elimination;power consumption;MIMO communication;Uplink;Downlink;Quantization (signal);Receiving antennas;Transmitting antennas;Interference;Full-duplex;low-resolution ADCs/DACs;quantization error;achievable rate;additive quantization noise model
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Jiangzhou Wang
Date Deposited: 24 Apr 2019 11:50 UTC
Last Modified: 12 Jan 2024 14:26 UTC
Resource URI: (The current URI for this page, for reference purposes)

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