Linear Precoder Design for MIMO-ISI Broadcasting Channels Under Channel Shortening Detection

We consider optimal precoder design for multiuser multiple-input multiple-output broadcasting channels in single-carrier systems. Instead of linear detection, we assume that the advanced nonlinear channel shortening detectors are utilized at the receivers. Such a scenario is challenging for precoder...

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Veröffentlicht in:IEEE signal processing letters Jg. 23; H. 9; S. 1207 - 1211
Hauptverfasser: Sha Hu, Xiang Gao, Rusek, Fredrik
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.09.2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Achievable information rate (AIR)
Algorithms
Broadcasting
broadcasting channel
channel shortening (CS)
Channels
Convolution
Design analysis
Design engineering
Design optimization
Detectors
Electrical Engineering, Electronic Engineering, Information Engineering
Elektroteknik och elektronik
Engineering and Technology
MIMO
Modulation
multiple-input multiple-output-intersymbol interference (MIMO-ISI)
Optimization
precoder
Receivers
Signal Processing
Signalbehandling
single-carrier (SC)
Teknik
ISSN:1070-9908, 1558-2361, 1558-2361
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:We consider optimal precoder design for multiuser multiple-input multiple-output broadcasting channels in single-carrier systems. Instead of linear detection, we assume that the advanced nonlinear channel shortening detectors are utilized at the receivers. Such a scenario is challenging for precoder design as the uplink-downlink duality is inapplicable. The target of our linear precoder design is to maximize the sum of the achievable information rate (sum-AIR), with AIR of each user being explicitly derived. We analyze such a precoder design in general, and provide an efficient per-user based optimization algorithm for the design of block-diagonalization precoder.
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ISSN:1070-9908
1558-2361
1558-2361
DOI:10.1109/LSP.2016.2592968