无循环前缀的频域多用户mimo turbo均衡性能

2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) Pub Date : 2017-10-01 DOI:10.1109/PIMRC.2017.8292314

Yasuhiro Takano, Hsuan-Jung Su

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引用次数: 2

摘要

多用户多输入多输出(MIMO)接收机通常需要采用迭代策略来消除多用户干扰(MUI)。频域turbo均衡是解决MUI问题最有前途的方法之一。它通过假设循环前缀(CP)传输，在接收机性能和计算复杂性之间提供了一个合理的权衡。然而，cp传输对于用户终端的电池寿命来说是不可取的。为此，本文提出了一种新的频域多用户检测技术，将链式turbo均衡技术扩展到MU-MIMO系统中。仿真结果验证了所提出的MU-MIMO CHATUE算法是一种更可靠的选择，通过消除cp传输的必要性来提高频谱和/或能源效率，而不是缩短训练序列或穿刺编码数据位。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance of frequency domain multiuser-MIMO turbo equalization without cyclic prefix

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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来源期刊

2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)

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