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- W2167627679 abstract "The spatial channel in applications such as radar, sonar, and wireless communications is typically characterized by complex signal scattering leading to multiple signal components arriving at the array from a spread of angles. This multipath angle spread is well known to lead to loss of spatial signal coherence across a receiving sensor array, requiring complicated combining schemes to achieve optimal performance, particularly when the signal is only partially coherent across the array. We show that the discrete Fourier transform serves as an efficient, robust, and asymptotically optimal spatial combiner for uniform linear arrays in multipath channels. In addition, the proposed spatial processing allows for convenient integration of conventional frequency-domain methods for angle-of-arrival searches. Simulation results show that the proposed combining scheme provides near-optimal performance at significantly less computation, even for arrays of modest size." @default.
- W2167627679 created "2016-06-24" @default.
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- W2167627679 date "2002-05-01" @default.
- W2167627679 modified "2023-10-18" @default.
- W2167627679 title "Efficient detection in the presence of angular spreading" @default.
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- W2167627679 doi "https://doi.org/10.1109/icassp.2002.5745272" @default.
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