Comments on “Enhanced PUMA for Direction-of-Arrival Estimation and Its Performance Analysis”


We show that the recently proposed (enhanced) principal-singular-vector utilization for modal analysis (PUMA) estimator for array processing [C. Qian, L. Huang, N. Sidiropoulos, and H. C. So, &#x201C;Enhanced PUMA for direction-of-arrival estimation and its performance analysis,&#x201D; <italic>IEEE Trans. Signal Process.</italic>, vol. 64, no. 16, pp. 4127… (More)
DOI: 10.1109/TSP.2017.2742982