NDLI: An adaptively focusing measurement design for compressed sensing based DOA estimation

Content Provider	IEEE Xplore Digital Library
Author	Ibrahim, M. Roemer, F. Del Galdo, G.
Copyright Year	2015
Description	Author affiliation: Inst. for Inf. Technol., Ilmenau Univ. of Technol., Ilmenau, Germany (Ibrahim, M.; Roemer, F.; Del Galdo, G.)
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.
Starting Page	859
Ending Page	863
File Size	123932
Page Count	5
File Format	PDF
ISBN	9780992862633
ISSN	20761465
DOI	10.1109/EUSIPCO.2015.7362505
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-31
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	EURASIP
Subject Keyword	Antenna measurements Direction-of-arrival estimation Transmission line matrix methods DOA Estimation Measurement Design Estimation Focusing Biomedical measurement Compressive Sensing Antenna arrays
Content Type	Text
Resource Type	Article

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