An MMSE-nulling partial-PIC receiver for multiuser downlink MIMO MC-CDMA systems

Jeong Hoe Ku; Kyeongyeon Kim; Seijoon Shim; Min Goo Kim; Chungyong Lee

doi:10.1093/ietcom/e88-b.4.1725

An MMSE-nulling partial-PIC receiver for multiuser downlink MIMO MC-CDMA systems

Jeong Hoe Ku, Kyeongyeon Kim, Seijoon Shim, Min Goo Kim, Chungyong Lee

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A minimum mean square error (MMSE) nulling partial parallel interference cancellation (PPIC) receiver for downlink multiple-input multiple-output (MIMO) multicarrier (MC)-CDMA systems is proposed. Our analysis shows that, for multiuser MIMO MC-CDMA systems, interference due to frequency selectivity in multipath fading channel causes detrimental effects on cancelling, thus V-BLAST receiver shows severe performance degradation. The proposed receiver with multistage processing does not produce an error floor in frequency selective fading channel environments and achieves substantial performance gains. The system performance of the proposed receiver was evaluated through computer simulations. The simulation results show that, with two stage PPIC processing, the proposed receiver achieves performance gains of 2.5-4 dB at target BER of 10^-3 over the linear MMSE receiver.

Original language	English
Pages (from-to)	1725-1729
Number of pages	5
Journal	IEICE Transactions on Communications
Volume	E88-B
Issue number	4
DOIs	https://doi.org/10.1093/ietcom/e88-b.4.1725
Publication status	Published - 2005

All Science Journal Classification (ASJC) codes

Software
Computer Networks and Communications
Electrical and Electronic Engineering

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10.1093/ietcom/e88-b.4.1725

Cite this

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title = "An MMSE-nulling partial-PIC receiver for multiuser downlink MIMO MC-CDMA systems",

abstract = "A minimum mean square error (MMSE) nulling partial parallel interference cancellation (PPIC) receiver for downlink multiple-input multiple-output (MIMO) multicarrier (MC)-CDMA systems is proposed. Our analysis shows that, for multiuser MIMO MC-CDMA systems, interference due to frequency selectivity in multipath fading channel causes detrimental effects on cancelling, thus V-BLAST receiver shows severe performance degradation. The proposed receiver with multistage processing does not produce an error floor in frequency selective fading channel environments and achieves substantial performance gains. The system performance of the proposed receiver was evaluated through computer simulations. The simulation results show that, with two stage PPIC processing, the proposed receiver achieves performance gains of 2.5-4 dB at target BER of 10-3 over the linear MMSE receiver.",

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AU - Ku, Jeong Hoe

AU - Kim, Kyeongyeon

AU - Shim, Seijoon

AU - Kim, Min Goo

AU - Lee, Chungyong

PY - 2005

Y1 - 2005

N2 - A minimum mean square error (MMSE) nulling partial parallel interference cancellation (PPIC) receiver for downlink multiple-input multiple-output (MIMO) multicarrier (MC)-CDMA systems is proposed. Our analysis shows that, for multiuser MIMO MC-CDMA systems, interference due to frequency selectivity in multipath fading channel causes detrimental effects on cancelling, thus V-BLAST receiver shows severe performance degradation. The proposed receiver with multistage processing does not produce an error floor in frequency selective fading channel environments and achieves substantial performance gains. The system performance of the proposed receiver was evaluated through computer simulations. The simulation results show that, with two stage PPIC processing, the proposed receiver achieves performance gains of 2.5-4 dB at target BER of 10-3 over the linear MMSE receiver.

AB - A minimum mean square error (MMSE) nulling partial parallel interference cancellation (PPIC) receiver for downlink multiple-input multiple-output (MIMO) multicarrier (MC)-CDMA systems is proposed. Our analysis shows that, for multiuser MIMO MC-CDMA systems, interference due to frequency selectivity in multipath fading channel causes detrimental effects on cancelling, thus V-BLAST receiver shows severe performance degradation. The proposed receiver with multistage processing does not produce an error floor in frequency selective fading channel environments and achieves substantial performance gains. The system performance of the proposed receiver was evaluated through computer simulations. The simulation results show that, with two stage PPIC processing, the proposed receiver achieves performance gains of 2.5-4 dB at target BER of 10-3 over the linear MMSE receiver.

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An MMSE-nulling partial-PIC receiver for multiuser downlink MIMO MC-CDMA systems

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