Unequal power amplifier dimensioning for adaptive massive MIMO base stations

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

4 Citations (Scopus)
13 Downloads (Pure)

Abstract

In this paper, we propose a novel power amplifier (PA) dimensioning method for massive multiple-input multiple-output (MIMO) systems whose number of transmitting antennas is adapted according to the number of user equipments (UEs) in the cell. The dimensioning method sets the maximum output powers of PAs unequally according to the pre-calculated average per-antenna transmission powers for different number of UEs. This allows PAs to operate at higher efficiency when the average per-antenna transmission powers vary due to the adaptive number of transmitting antennas. The performance of the method is evaluated in the symmetric multi-cellular scenario using a comprehensive power consumption model that considers both base station and UEs. When simple class-B PAs are used at the base station, unequal PA dimensioning reduces the PA power consumption up to 42 % when compared to the conventional equal PA dimensioning. This improves the total system energy efficiency. The benefits of the proposed unequal PA dimensioning are that no prior knowledge of the UE distribution is needed and good performance is achieved for all UE densities.
Original languageEnglish
Title of host publicationProceedings
Subtitle of host publication2016 IEEE 83rd Vehicular Technology Conference (VTC Spring)
PublisherInstitute of Electrical and Electronic Engineers IEEE
Number of pages6
ISBN (Electronic)978-1-5090-1698-3
ISBN (Print)978-1-5090-1699-0
DOIs
Publication statusPublished - 7 Jul 2016
MoE publication typeA4 Article in a conference publication
EventIEEE Vehicular Technology Conference - Nanjing, China
Duration: 15 May 201618 May 2016
Conference number: 83

Conference

ConferenceIEEE Vehicular Technology Conference
Abbreviated titleVTC Spring
CountryChina
CityNanjing
Period15/05/1618/05/16

Fingerprint

Power amplifiers
Base stations
Antennas
Power transmission
Electric power utilization
Energy efficiency

Keywords

  • antennas
  • base stations
  • electric power utilization
  • energy efficiency
  • MIMO systems
  • telecommunication networks
  • higher efficiency
  • massive multiple-input- multiple-output system (MIMO)
  • maximum output
  • per antennas
  • power consumption model
  • prior knowledge
  • transmitting antenna
  • user equipments

Cite this

Apilo, O., Lasanen, M., & Mämmelä, A. (2016). Unequal power amplifier dimensioning for adaptive massive MIMO base stations. In Proceedings : 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring) Institute of Electrical and Electronic Engineers IEEE. https://doi.org/10.1109/VTCSpring.2016.7504517
Apilo, Olli ; Lasanen, Mika ; Mämmelä, Aarne. / Unequal power amplifier dimensioning for adaptive massive MIMO base stations. Proceedings : 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring). Institute of Electrical and Electronic Engineers IEEE, 2016.
@inproceedings{e31afe97d7d4415f8f417104a82570fe,
title = "Unequal power amplifier dimensioning for adaptive massive MIMO base stations",
abstract = "In this paper, we propose a novel power amplifier (PA) dimensioning method for massive multiple-input multiple-output (MIMO) systems whose number of transmitting antennas is adapted according to the number of user equipments (UEs) in the cell. The dimensioning method sets the maximum output powers of PAs unequally according to the pre-calculated average per-antenna transmission powers for different number of UEs. This allows PAs to operate at higher efficiency when the average per-antenna transmission powers vary due to the adaptive number of transmitting antennas. The performance of the method is evaluated in the symmetric multi-cellular scenario using a comprehensive power consumption model that considers both base station and UEs. When simple class-B PAs are used at the base station, unequal PA dimensioning reduces the PA power consumption up to 42 {\%} when compared to the conventional equal PA dimensioning. This improves the total system energy efficiency. The benefits of the proposed unequal PA dimensioning are that no prior knowledge of the UE distribution is needed and good performance is achieved for all UE densities.",
keywords = "antennas, base stations, electric power utilization, energy efficiency, MIMO systems, telecommunication networks, higher efficiency, massive multiple-input- multiple-output system (MIMO), maximum output, per antennas, power consumption model, prior knowledge, transmitting antenna, user equipments",
author = "Olli Apilo and Mika Lasanen and Aarne M{\"a}mmel{\"a}",
year = "2016",
month = "7",
day = "7",
doi = "10.1109/VTCSpring.2016.7504517",
language = "English",
isbn = "978-1-5090-1699-0",
booktitle = "Proceedings",
publisher = "Institute of Electrical and Electronic Engineers IEEE",
address = "United States",

}

Apilo, O, Lasanen, M & Mämmelä, A 2016, Unequal power amplifier dimensioning for adaptive massive MIMO base stations. in Proceedings : 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring). Institute of Electrical and Electronic Engineers IEEE, IEEE Vehicular Technology Conference, Nanjing, China, 15/05/16. https://doi.org/10.1109/VTCSpring.2016.7504517

Unequal power amplifier dimensioning for adaptive massive MIMO base stations. / Apilo, Olli; Lasanen, Mika; Mämmelä, Aarne.

Proceedings : 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring). Institute of Electrical and Electronic Engineers IEEE, 2016.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

TY - GEN

T1 - Unequal power amplifier dimensioning for adaptive massive MIMO base stations

AU - Apilo, Olli

AU - Lasanen, Mika

AU - Mämmelä, Aarne

PY - 2016/7/7

Y1 - 2016/7/7

N2 - In this paper, we propose a novel power amplifier (PA) dimensioning method for massive multiple-input multiple-output (MIMO) systems whose number of transmitting antennas is adapted according to the number of user equipments (UEs) in the cell. The dimensioning method sets the maximum output powers of PAs unequally according to the pre-calculated average per-antenna transmission powers for different number of UEs. This allows PAs to operate at higher efficiency when the average per-antenna transmission powers vary due to the adaptive number of transmitting antennas. The performance of the method is evaluated in the symmetric multi-cellular scenario using a comprehensive power consumption model that considers both base station and UEs. When simple class-B PAs are used at the base station, unequal PA dimensioning reduces the PA power consumption up to 42 % when compared to the conventional equal PA dimensioning. This improves the total system energy efficiency. The benefits of the proposed unequal PA dimensioning are that no prior knowledge of the UE distribution is needed and good performance is achieved for all UE densities.

AB - In this paper, we propose a novel power amplifier (PA) dimensioning method for massive multiple-input multiple-output (MIMO) systems whose number of transmitting antennas is adapted according to the number of user equipments (UEs) in the cell. The dimensioning method sets the maximum output powers of PAs unequally according to the pre-calculated average per-antenna transmission powers for different number of UEs. This allows PAs to operate at higher efficiency when the average per-antenna transmission powers vary due to the adaptive number of transmitting antennas. The performance of the method is evaluated in the symmetric multi-cellular scenario using a comprehensive power consumption model that considers both base station and UEs. When simple class-B PAs are used at the base station, unequal PA dimensioning reduces the PA power consumption up to 42 % when compared to the conventional equal PA dimensioning. This improves the total system energy efficiency. The benefits of the proposed unequal PA dimensioning are that no prior knowledge of the UE distribution is needed and good performance is achieved for all UE densities.

KW - antennas

KW - base stations

KW - electric power utilization

KW - energy efficiency

KW - MIMO systems

KW - telecommunication networks

KW - higher efficiency

KW - massive multiple-input- multiple-output system (MIMO)

KW - maximum output

KW - per antennas

KW - power consumption model

KW - prior knowledge

KW - transmitting antenna

KW - user equipments

U2 - 10.1109/VTCSpring.2016.7504517

DO - 10.1109/VTCSpring.2016.7504517

M3 - Conference article in proceedings

SN - 978-1-5090-1699-0

BT - Proceedings

PB - Institute of Electrical and Electronic Engineers IEEE

ER -

Apilo O, Lasanen M, Mämmelä A. Unequal power amplifier dimensioning for adaptive massive MIMO base stations. In Proceedings : 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring). Institute of Electrical and Electronic Engineers IEEE. 2016 https://doi.org/10.1109/VTCSpring.2016.7504517