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Reciprocity calibration methods for Massive MIMO based on antenna coupling

Vieira, Joao LU ; Rusek, Fredrik LU and Tufvesson, Fredrik LU (2014) IEEE Globecom 2014
Abstract
In this paper we consider time-division-duplex (TDD) reciprocity calibration of a massive MIMO system. The calibration of a massive MIMO system can be done entirely at the base station (BS) side by sounding the BS antennas one-by-one while receiving with the other BS antennas. With an M antenna BS, this generates M(M - 1) signals that can be used for calibration purposes. In this paper we study several least-squares (LS) based estimators, differing in the number of received signals that are being used. We compare the performance of the estimators, and we conclude that is possible to accurately calibrate an entire BS antenna array using the mutual coupling

between antennas as the main propagation mechanism.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to conference
publication status
published
subject
keywords
Massive MIMO, TDD reciprocity, antenna calibration, estimation
conference name
IEEE Globecom 2014
external identifiers
  • Scopus:84949923280
language
English
LU publication?
yes
id
ac41dfe7-32bf-4458-931d-9a4368d5e66f (old id 4857515)
date added to LUP
2014-12-08 15:50:31
date last changed
2016-10-13 04:55:36
@misc{ac41dfe7-32bf-4458-931d-9a4368d5e66f,
  abstract     = {In this paper we consider time-division-duplex (TDD) reciprocity calibration of a massive MIMO system. The calibration of a massive MIMO system can be done entirely at the base station (BS) side by sounding the BS antennas one-by-one while receiving with the other BS antennas. With an M antenna BS, this generates M(M - 1) signals that can be used for calibration purposes. In this paper we study several least-squares (LS) based estimators, differing in the number of received signals that are being used. We compare the performance of the estimators, and we conclude that is possible to accurately calibrate an entire BS antenna array using the mutual coupling<br/><br>
between antennas as the main propagation mechanism.},
  author       = {Vieira, Joao and Rusek, Fredrik and Tufvesson, Fredrik},
  keyword      = {Massive MIMO,TDD reciprocity,antenna calibration,estimation},
  language     = {eng},
  title        = {Reciprocity calibration methods for Massive MIMO based on antenna coupling},
  year         = {2014},
}