用于802.11b无线接入点的开关波束智能天线的设计和实现

Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573) Pub Date : 2002-11-07 DOI:10.1109/RAWCON.2002.1030116

F. Cladwell, J. Kenney, I.A. Ingram

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引用次数: 21

摘要

本文主要研究2.4 GHz波束形成网络组件的设计与实现。波束形成网络(BFN)采用双度量波束选择算法。第一个度量使用模拟功率检测，并合并到开关矩阵中。必要时，在板外执行数字度量以更新开关状态。介绍了8路巴特勒矩阵和开关矩阵的设计和测量结果。通过对阵列因子的模拟，建立了BFN的辐射方向图。改进了信噪比的理论计算，以包括网络对整体系统性能的损失。

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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Design and implementation of a switched-beam smart antenna for an 802.11b wireless access point

This paper focuses on the design and implementation of beam forming network components for use at 2.4 GHz. The beam forming network (BFN) is designed to utilize a dual metric beam-selection algorithm. The first metric uses analog power detection and is incorporated in the switch matrix. A digital metric is performed off-board to update the switch states when necessary. The design and measured results of the 8-way Butler matrix and switch matrix are presented. The array factor is simulated to establish the radiation pattern of the BFN. Theoretical calculations of SNR improvement are modified to include the loss of the network for overall system performance.

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来源期刊

Proceedings RAWCON 2002. 2002 IEEE Radio and Wireless Conference (Cat. No.02EX573)

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