Improvement of a MIMO antenna structure with combination of transmit beamforming and spatial multiplexing

doi:1005-8885 (2008) 01-0091-05

中国邮电高校学报(英文) ›› 2008, Vol. 15 ›› Issue (1): 91-95.doi: 1005-8885 (2008) 01-0091-05

Improvement of a MIMO antenna structure with combination of transmit beamforming and spatial multiplexing

袁婷婷;张磊;杨鸿文;杨大成

School of Telecommunication Engineering,
Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2007-06-11 修回日期:1900-01-01 出版日期:2008-03-31
通讯作者: 袁婷婷

Improvement of a MIMO antenna structure with combination of transmit beamforming and spatial multiplexing

School of Telecommunication Engineering,
Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2007-06-11 Revised:1900-01-01 Online:2008-03-31
Contact: Yuan Tingting

摘要/Abstract

摘要：

Downlinks of the cellular systems generally have more transmit antennas than receive antennas. To efficiently exploit all antenna resources, a technique that combines the advantage of beamforming and spatial multiplexing has been proposed, which partitions the transmit antennas into neigh- boring sub-groups. In this article, this technique is further improved by Eq. (1) allowing non-contiguous antenna grouping, and Eq. (2) adopting two new grouping criteria: minimum signal distance maximization (MSDM) criterion and maximum correlation coefficient minimization (MCCM) criterion. Simulation results indicate that these improvements can bring noticeable gains in the Rayleigh flat fading channel environment.

关键词:

multiple-input;multiple-output;(MIMO),;beamfor-;ming,;antenna;grouping,;uncorrelated;channel,;semi-correlated;channel

Abstract:

Key words:

multiple-input multiple-output (MIMO);beamfor- ming;antenna grouping;uncorrelated channel;semi-correlated channel

中图分类号:

TN929.53

参考文献

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Improvement of a MIMO antenna structure with combination of transmit beamforming and spatial multiplexing

Improvement of a MIMO antenna structure with combination of transmit beamforming and spatial multiplexing

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