A spatial interference minimization strategy for the correlated LTE downlink channel

R Nordin; SMD Armour; JP McGeehan

doi:10.1109/PIMRC.2010.5671934

A spatial interference minimization strategy for the correlated LTE downlink channel

R Nordin, SMD Armour, JP McGeehan

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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Abstract

In a downlink transmission, users can benefit from the high capacity gain achieved by transmitting independent data streams from multiple antennas to multiple users sharing the same physical time-frequency resources. This technique is known as multiuser MIMO (MU-MIMO). However, performance of MU-MIMO is sensitive towards propagation imperfections, such as time dispersion and inter-stream interference due to antenna correlation. In this paper we investigate the performance of MU-MIMO operation in 3GPP-LTE downlink transmission by employing a novel multiuser allocation, known as dynamic subcarrier allocation (DSA) that aims to minimize the effect of antenna correlation from the knowledge of the Effective Signal-to-Interference-plus-Noise Ratio (ESINR) metric. The suboptimal scheme is especially attractive when the number of users is large in highly correlated channel conditions where it is able to minimize the effect of spatial correlation and thereby achieve improved BER performance.

Translated title of the contribution	A spatial interference minimization strategy for the correlated LTE downlink channel
Original language	English
Title of host publication	IEEE 21st International Symposium on Personal, Indoor and Mobile Radio Communications 2010 (PIMRC 2010), Istanbul, Turkey
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	757 - 761
Number of pages	5
ISBN (Print)	9781424480159
DOIs	https://doi.org/10.1109/PIMRC.2010.5671934
Publication status	Published - Sept 2010
Event	21st International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) - Istanbul, Turkey Duration: 1 Sept 2010 → …

Conference

Conference	21st International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
Country/Territory	Turkey
City	Istanbul
Period	1/09/10 → …

Bibliographical note

Rose publication type: Conference contribution

Additional information: With accompanying conference presentation

Sponsorship: This work was financially supported in part by the National University of Malaysia and Malaysia’s Ministry of Higher Education, whose financial support is greatly acknowledged.

Terms of use: Copyright © 2010 IEEE. Reprinted from IEEE 21st International Symposium on Personal Indoor and Mobile Radio Communications 2010 (PIMRC).

This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org.

By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Keywords

correlated channel
ESINR
LTE
MIMO
MU-MIMO
multiuser
self-interference
spatial correlation
spatial multiplexing
subcarrier allocation

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10.1109/PIMRC.2010.5671934

Conference paperAccepted author manuscript, 399 KB
Accompanying conference presentationAccepted author manuscript, 452 KB

http://hdl.handle.net/1983/1712

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Nordin, R., Armour, SMD., & McGeehan, JP. (2010). A spatial interference minimization strategy for the correlated LTE downlink channel. In IEEE 21st International Symposium on Personal, Indoor and Mobile Radio Communications 2010 (PIMRC 2010), Istanbul, Turkey (pp. 757 - 761). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/PIMRC.2010.5671934

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abstract = "In a downlink transmission, users can benefit from the high capacity gain achieved by transmitting independent data streams from multiple antennas to multiple users sharing the same physical time-frequency resources. This technique is known as multiuser MIMO (MU-MIMO). However, performance of MU-MIMO is sensitive towards propagation imperfections, such as time dispersion and inter-stream interference due to antenna correlation. In this paper we investigate the performance of MU-MIMO operation in 3GPP-LTE downlink transmission by employing a novel multiuser allocation, known as dynamic subcarrier allocation (DSA) that aims to minimize the effect of antenna correlation from the knowledge of the Effective Signal-to-Interference-plus-Noise Ratio (ESINR) metric. The suboptimal scheme is especially attractive when the number of users is large in highly correlated channel conditions where it is able to minimize the effect of spatial correlation and thereby achieve improved BER performance.",

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Nordin, R, Armour, SMD & McGeehan, JP 2010, A spatial interference minimization strategy for the correlated LTE downlink channel. in IEEE 21st International Symposium on Personal, Indoor and Mobile Radio Communications 2010 (PIMRC 2010), Istanbul, Turkey. Institute of Electrical and Electronics Engineers (IEEE), pp. 757 - 761, 21st International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Istanbul, Turkey, 1/09/10. https://doi.org/10.1109/PIMRC.2010.5671934

A spatial interference minimization strategy for the correlated LTE downlink channel. / Nordin, R; Armour, SMD; McGeehan, JP.
IEEE 21st International Symposium on Personal, Indoor and Mobile Radio Communications 2010 (PIMRC 2010), Istanbul, Turkey. Institute of Electrical and Electronics Engineers (IEEE), 2010. p. 757 - 761.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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ER -

A spatial interference minimization strategy for the correlated LTE downlink channel

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Keywords

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