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

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Author

Summary, in English

We consider optimal precoder design for multi-user multiple-input multiple-output (MIMO) broadcasting channels in single-carrier (SC) systems. Instead of linear detection, we assume that advanced non-linear channel shortening (CS) 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.

Publishing year

2016-09

Language

English

Pages

1207-1211

Publication/Series

IEEE Signal Processing Letters

Volume

23

Issue

9

Document type

Journal article (letter)

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Signal Processing

Status

Published

ISBN/ISSN/Other

  • ISSN: 1070-9908