Performance of Frequency Domain Multiuser-MIMO Turbo Equalization Without Cyclic Prefix

被引：0
|
作者：
Takano, Yasuhiro [1 ]
Su, Hsuan-Jung [2 ]
机构：
[1] Kobe Univ, Nada Ku, 1-1 Rokkodai, Kobe, Hyogo 6578501, Japan
[2] Natl Taiwan Univ, Taipei 10617, Taiwan
来源：
2017 IEEE 28TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC) | 2017年
基金：
日本学术振兴会;
关键词：
Spectral efficiency; multi-user interference (MUI); cyclic prefix (CP); overlap-and-add; INTERFERENCE CANCELLATION; CHANNEL ESTIMATION; ANTENNA;
D O I：
10.1109/PIMRC.2017.8292314
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：
Multiuser (MU)-multiple-input multiple-output (MIMO) receivers often need to take iterative strategies to cancel multiuser-interference (MUI). Frequency domain turbo equalization is one of the most promising solutions to the MUI problem. It offers a reasonable trade-off between the receiver performance and the computational complexity by assuming cyclic prefix (CP)-transmission. Nevertheless, CP-transmission is not preferable for the battery life of user terminals. Therefore, this paper proposes a new frequency domain multiuser-detection (MUD) technique by extending the chained turbo equalization (CHATUE) to MU-MIMO systems. Simulation results verify that the proposed MU-MIMO CHATUE algorithm is a more reliable option to improve the spectral-and/or energy-efficiency by eliminating the necessity of CP-transmission than by shortening the training sequences or puncturing the coded data bits.
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页数：6
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