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- Jansson, M., et al.
(författare)
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Optimal Subspace Techniques for DOA Estimation
- 2005
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Ingår i: Space-Time Wireless Systems: From Array Processing to MIMO Communications / edited by Helmut Bölcskei et al..
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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- Stoica, P., et al.
(författare)
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On multipath identifiability
- 1999
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Ingår i: Signal Processing, Vol. 74, No. 3, pp. 327-330, May 1999.
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Tidskriftsartikel (refereegranskat)
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- Swindlehurst, A. L., et al.
(författare)
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Exploiting arrays with multiple invariances using MUSIC and MODE
- 2001
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Ingår i: IEEE Transactions on Signal Processing. - : Institute of Electrical and Electronics Engineers (IEEE). - 1053-587X .- 1941-0476. ; 49:11, s. 2511-2521
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Tidskriftsartikel (refereegranskat)abstract
- This paper describes several new techniques for direction of arrival (DOA) estimation using arrays composed of multiple translated and uncalibrated subarrays. The new algorithms can be thought of as generalizations of the MUSIC, Root-MUSIC, and MODE techniques originally developed for fully calibrated arrays. The advantage of these new approaches is that the DOAs can be estimated using either a simple one-dimensional (I-D) search or by rooting a polynomial, as opposed to the multidimensional search required by multiple invariance (MI)-ESPRIT. When it can be applied, the proposed MI-MODE algorithm shares the statistical optimality of MI-ESPRIT. While MI-MUSIC and Root-MI-MUSIC are only optimal for uncorrelated sources, they perform better than a single invariance implementation of ESPRIT and are thus better suited for finding the initial conditions required by the MI-ESPRIT search.
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