An adaptively focusing measurement design for compressed sensing based doa estimation
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Date
2015
Journal Title
Journal ISSN
Volume Title
Type
Book chapter
Publisher
IEEE
Series Info
23rd European Signal Processing Conference (EUSIPCO);Pages : 859-863
Doi
Scientific Journal Rankings
Abstract
In this paper we propose an adaptive design strategy for the measurement matrix for applying Compressed Sensing (CS) to Direction Of Arrival (DOA) estimation with antenna
arrays. Instead of choosing the coefficients of the compression
matrix randomly, we propose a systematic design methodology
for constructing a measurement matrix that focuses the array
towards a specific area of interest and thereby achieves a superior DOA estimation performance. The focusing is performed
in a sequential manner, i.e., we start with a uniform measurement design from which regions of interest can be extracted that
the subsequent measurements then focus on. By continuously
updating these target regions, gradual movement of the sources
can also be tracked over time. Numerical results demonstrate
that the focused measurements possess a superior SNR leading
to significantly enhanced DOA estimates.
Description
MSA Google Scholar
Keywords
University of Compressive Sensing, DOA Estimation, Measurement Design
Citation
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