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SUMWE (SUbspace-based Method Without Eigendecompositon) is one of the high-resolution DOA (Direction Of Arrival) estimation methods for coherent waves [1]. SUMWE employs spectrum peak search in DOA estimation like MUSIC method [2], that often leads large computational cost. Recalling that Root-MUSIC method [3] without spectrum peak search greatly reduces the computational cost, similar root-finding...
DOA (Direction-Of-Arrival) estimation is one of mandatory techniques for accurately detecting radio wave propagation environment around base station and mobile terminals. Many DOA estimation algorithms have already been studied like MUSIC (eigendecomposition & angular search), Root-MUSIC (eigendecomposition), TLS-ESPRIT (some eigendecompositions) and MODE (maximum likelihood). These algorithms...
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