针对PAN应用的天线阵列和UWB-OFDM信号的DOA估计

2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2008-12-08 DOI:10.1109/PIMRC.2008.4699884

D. Fittipaldi, M. Luise

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引用次数: 6

摘要

本文研究了毫米波应用中天线阵列检测到的超宽带正交频分复用(UWB-OFDM)信号到达方向(DOA)估计的Cramer-Rao下限(CRB)计算。将窄带信号DOA估计的数学模型推广到宽带正交多载波信号，评估了UWB-OFDM源DOA估计的CRB。给出了均匀线性阵列(ULA)和视距(LOS)情况下的具体结果。在将OFDM的结果与宽带单载波信号的结果进行比较之后，我们使用了DOA的CRB来证实利用DOA信息的介质访问控制器协议的设计。

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Cramér-Rao bound for DOA estimation with antenna arrays and UWB-OFDM signals for PAN applications

This paper deals with the computation of the Cramer-Rao lower bound (CRB) for direction of arrival (DOA) estimation of ultra wideband-orthogonal frequency division multiplexing (UWB-OFDM) signals detected by antenna arrays for millimetre-wave applications. The CRB on DOA estimation of UWB-OFDM sources is evaluated by extending the mathematical model of DOA estimation of narrow band signals to wideband orthogonal multicarrier signals. Specific results are presented for the case of a uniform linear array (ULA) and line-of-sight (LOS) scenario. After a comparison of our results for OFDM with the case of wideband single carrier signals, we use the CRB for DOA to substantiate the design of medium access controllers protocols that make use of DOA information.

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来源期刊

2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications

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