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Author(s):
Do-Hong, Tuan; Demmel, Franz; Russer, Peter 
Title:
Wideband Direction-of-Arrival Estimation Using Frequency-Domain Frequency-Invariant Beamformers: An Analysis of Performance 
Abstract:
This paper presents an extension of the wideband direction-of-arrival estimation method using frequency-domain frequency-invariant beamformers (Do-Hong et al., 2003) with an analysis of performance. An asymptotic expression for the root-mean-square error and a resolution threshold of signal-to-noise-ratio for resolving directions of sources are shown. A comparison of analysis and simulation as well as numerical results are also presented. 
Keywords:
adaptive antenna arrays, antenna theory, array signal processing, Beamforming, direction-of-arrival, direction-of-arrival estimation, DOA, estimation, frequency-domain analysis, frequency-domain beamformers, frequency-invariant beamformers, radio direction-finding, resolution threshold, root-mean-square error, signal-to-noise-ratio, smart antennas, wideband DOA estimation 
Journal title:
IEEE Microwave and Wireless Components Letters 
Year:
2004 
Journal volume:
14 
Month:
aug 
Journal issue:
Pages contribution:
383--385 
Print-ISSN:
1531-1309