Equivalent expressions and performance analysis of SLNR precoding schemes: a generalisation to multi-antenna receivers

Piya Patcharamaneepakorn; Angela Doufexi; Simon M D Armour

doi:10.1109/LCOMM.2013.050313.130549

Equivalent expressions and performance analysis of SLNR precoding schemes: a generalisation to multi-antenna receivers

Piya Patcharamaneepakorn, Angela Doufexi, Simon M D Armour

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Abstract

In this letter, equivalent expressions of transmit precoding solutions based on the maximum signal-to-leakage-plus-noise ratio (SLNR) are derived for multiuser MIMO systems with multi-antenna receivers. The performance of the SLNR precoding scheme is also analysed based on this equivalent form. Further, it is shown that the SLNR scheme can be viewed as a generalised channel regularisation technique and the conditions for an equivalence between the SLNR, the Regularised Block Diagonalisation (RBD) and the Generalised MMSE Channel Inversion (GMI method 2) schemes are given. Consequently, the performance analysis in this letter can be extended to the RBD and GMI schemes. This generalises the equivalence between the SLNR and MMSE schemes and its useful implications, from the case of single-antenna to multi-antenna receivers.

Original language	English
Pages (from-to)	1196-1199
Number of pages	4
Journal	IEEE Communications Letters
Volume	17
Issue number	6
DOIs	https://doi.org/10.1109/LCOMM.2013.050313.130549
Publication status	Published - Jun 2013

Keywords

multiuser MIMO
linear precoding
SLNR
RBD
GMI
equivalent forms
performance analysis

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title = "Equivalent expressions and performance analysis of SLNR precoding schemes: a generalisation to multi-antenna receivers",

abstract = "In this letter, equivalent expressions of transmit precoding solutions based on the maximum signal-to-leakage-plus-noise ratio (SLNR) are derived for multiuser MIMO systems with multi-antenna receivers. The performance of the SLNR precoding scheme is also analysed based on this equivalent form. Further, it is shown that the SLNR scheme can be viewed as a generalised channel regularisation technique and the conditions for an equivalence between the SLNR, the Regularised Block Diagonalisation (RBD) and the Generalised MMSE Channel Inversion (GMI method 2) schemes are given. Consequently, the performance analysis in this letter can be extended to the RBD and GMI schemes. This generalises the equivalence between the SLNR and MMSE schemes and its useful implications, from the case of single-antenna to multi-antenna receivers.",

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N2 - In this letter, equivalent expressions of transmit precoding solutions based on the maximum signal-to-leakage-plus-noise ratio (SLNR) are derived for multiuser MIMO systems with multi-antenna receivers. The performance of the SLNR precoding scheme is also analysed based on this equivalent form. Further, it is shown that the SLNR scheme can be viewed as a generalised channel regularisation technique and the conditions for an equivalence between the SLNR, the Regularised Block Diagonalisation (RBD) and the Generalised MMSE Channel Inversion (GMI method 2) schemes are given. Consequently, the performance analysis in this letter can be extended to the RBD and GMI schemes. This generalises the equivalence between the SLNR and MMSE schemes and its useful implications, from the case of single-antenna to multi-antenna receivers.

AB - In this letter, equivalent expressions of transmit precoding solutions based on the maximum signal-to-leakage-plus-noise ratio (SLNR) are derived for multiuser MIMO systems with multi-antenna receivers. The performance of the SLNR precoding scheme is also analysed based on this equivalent form. Further, it is shown that the SLNR scheme can be viewed as a generalised channel regularisation technique and the conditions for an equivalence between the SLNR, the Regularised Block Diagonalisation (RBD) and the Generalised MMSE Channel Inversion (GMI method 2) schemes are given. Consequently, the performance analysis in this letter can be extended to the RBD and GMI schemes. This generalises the equivalence between the SLNR and MMSE schemes and its useful implications, from the case of single-antenna to multi-antenna receivers.

KW - multiuser MIMO

KW - linear precoding

KW - SLNR

KW - RBD

KW - GMI

KW - equivalent forms

KW - performance analysis

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DO - 10.1109/LCOMM.2013.050313.130549

M3 - Article (Academic Journal)

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JO - IEEE Communications Letters

JF - IEEE Communications Letters

SN - 1089-7798

IS - 6

ER -

Equivalent expressions and performance analysis of SLNR precoding schemes: a generalisation to multi-antenna receivers

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