一种采用垂直方向图和极化控制的智能天线的新型SDMA结构

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI:10.1109/VETECS.2003.1207750

K. Nishimori, K. Cho

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引用次数: 5

摘要

在城市蜂窝环境中，智能基站天线必须在有限的安装空间内建立。为了实现这一点，已经研究了采用垂直方向图的智能天线。在本文中，我们首先给出了在实际蜂窝环境中，利用垂直平面布置单元的阵列天线在垂直平面上的角传播特性。通过计算机仿真分析了采用垂直方向图的智能天线的性能和存在的问题。本文还提出了利用垂直方向图和终端极化分配的极化控制的智能天线的空分多址(SDMA)，该技术可以在有限的天线安装空间内识别SDMA用户。最后，利用实际蜂窝环境中测量到的传播信道数据进行计算机仿真，验证了所提SDMA系统的有效性。

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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A novel SDMA configuration using smart antenna adopting vertical pattern and polarization control

Smart base station antenna must be established in limited installation spaces in urban cellular environments. To realize this, smart antennas employing a vertical pattern have been studied. In this paper, we first present the characteristics of the angular spread in the vertical plane using an array antenna with elements arranged in the vertical plane in an actual cellular environment. The performance and problems of smart antennas employing the vertical pattern are elucidated by computer simulation considering the measured angular spread. This paper also proposes space division multiple access (SDMA) using smart antennas utilizing vertical pattern and polarization control with terminal polarization assignment, which can discriminate SDMA users while using a limited antenna installation space. Finally, the effectiveness of the proposed SDMA system is confirmed by computer simulation using the measured propagation channel data in an actual cellular environment.

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来源期刊

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.

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