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A Self-Calibration Scheme for TDD Massive MIMO with Imperfect Channel Estimation

Mi, De, Zhang, Lei, Dianati, Mehrdad, Muhaidat, Sami and Xiao, Pei (2018) A Self-Calibration Scheme for TDD Massive MIMO with Imperfect Channel Estimation In: The Tenth IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM2018), 08-11 Jul 2018, Sheffield, UK.

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Abstract

Exploiting channel reciprocity, time-divisionduplexing (TDD) operated massive multiple-input multipleoutput (MIMO) systems are able to acquire the channel state information with a reasonable overhead of channel estimation. However, in practical scenarios, the imperfections in channel reciprocity can significantly degrade the system performance. In this work, we propose a novel self calibration scheme for the maximum ratio transmission in TDD multi-user massive MIMO systems to compensate for the imperfect channel reciprocity, with considerations of imperfect channel estimation. The proposed scheme shows the greater robustness to a compound effect of channel reciprocity error and channel estimation error, compared with the traditional self calibration scheme that is widely used in massive MIMO systems.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Mi, Ded.mi@surrey.ac.uk
Zhang, Leilei.zhang@surrey.ac.uk
Dianati, MehrdadM.Dianati@surrey.ac.uk
Muhaidat, Sami
Xiao, PeiP.Xiao@surrey.ac.uk
Date : 11 July 2018
Copyright Disclaimer : © The authors 2018.
Related URLs :
Depositing User : Clive Harris
Date Deposited : 23 May 2018 13:41
Last Modified : 16 Jan 2019 19:10
URI: http://epubs.surrey.ac.uk/id/eprint/846483

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