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

Sha Hu; Xiang Gao; Fredrik Rusek

doi:10.1109/LSP.2016.2592968

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

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

Abstract

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.

Original language	English
Pages (from-to)	1207-1211
Number of pages	5
Journal	IEEE Signal Processing Letters
Volume	23
Issue number	9
Early online date	2016 Jul 16
DOIs	https://doi.org/10.1109/LSP.2016.2592968
Publication status	Published - 2016 Sept

Subject classification (UKÄ)

Signal Processing

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10.1109/LSP.2016.2592968

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title = "Linear Precoder Design for MIMO-ISI Broadcasting Channels under Channel Shortening Detection",

abstract = "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.",

author = "Sha Hu and Xiang Gao and Fredrik Rusek",

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AB - 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.

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JO - IEEE Signal Processing Letters

JF - IEEE Signal Processing Letters

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ER -

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

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Channel Shortening in Wireless Communication

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