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A voltage-mode RF DAC for massive MIMO system-on-chip digital transmitters
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems. Linköping University, Faculty of Science & Engineering. Ericsson AB, Sweden.
Ericsson AB, Sweden.
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-2144-6795
2019 (English)In: Analog Integrated Circuits and Signal Processing, ISSN 0925-1030, E-ISSN 1573-1979, Vol. 100, no 3, p. 683-692Article in journal (Refereed) Published
Abstract [en]

As the number of antenna elements increases in massive multiple-input multiple-output-based radios such as fifth generation mobile technology (5G), designing true multi-band base-station transmitter, with efficient physical size, power consumption and cost in emerging cellular frequency bands up to 10 GHz, is becoming a challenge. This demands a hard integration of radio components, particularly the radios digital application-specific integrated circuits (ASIC) with high performance multi-band data converters. In this work, a novel radio frequency digital-to-analog converter (RF DAC) solution is presented, that is also capable of monolithic integration into todays digital ASIC due to its digital-in-nature architecture. A voltage-mode conversion method is used as output stage, and configurable mixing logic is employed in the data path to create a higher frequency lobe and utilize the output signal in the first or the second Nyquist zone. This 12-bit RF DAC is designed in a 22 nm FDSOI CMOS process, and shows excellent linearity performance for output frequencies up to 10 GHz, with no calibration and no trimming techniques. The achieved linearity performance is able to fulfill the high requirements of 5G base-station transmitters. Extensive Monte-Carlo analysis is performed to demonstrate the performance reliability over mismatch and process variation in the chosen technology.

Place, publisher, year, edition, pages
SPRINGER , 2019. Vol. 100, no 3, p. 683-692
Keywords [en]
Radio frequency digital-to-analog converter; RF-sampling DAC; RF DAC; Digital transmitter; Digital-to-RF converter; Software-defined radio; Massive MIMO; 5G
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-159856DOI: 10.1007/s10470-019-01497-9ISI: 000478898400016OAI: oai:DiVA.org:liu-159856DiVA, id: diva2:1346289
Note

Funding Agencies|Linkoping University

Available from: 2019-08-27 Created: 2019-08-27 Last updated: 2019-08-27

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  • apa
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