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

被引：3
|
作者：
Hu, Sha [1 ]
Gao, Xiang [1 ]
Rusek, Fredrik [1 ]
机构：
[1] Lund Univ, Elect & Informat Technol Dept, S-22363 Lund, Sweden
来源：
IEEE SIGNAL PROCESSING LETTERS | 2016年 / 23卷 / 09期
关键词：
Achievable information rate (AIR); broadcasting channel; channel shortening (CS); multiple-input multiple-output-intersymbol interference (MIMO-ISI); precoder; single-carrier (SC); DUALITY;
D O I：
10.1109/LSP.2016.2592968
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：1207 / 1211
页数：5
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