NDLI: Efficient joint two-dimensional angle and polarization estimation with crossed dipoles

Content Provider	IEEE Xplore Digital Library
Author	Chun-Hung Lin Wen-Hsien Fang Yie-Tarng Chen
Copyright Year	2009
Description	Author affiliation: Dept. of Electronic Engineering National Taiwan University of Science and Technology, Taiwan, R.O.C. (Chun-Hung Lin; Wen-Hsien Fang; Yie-Tarng Chen)
Abstract	This paper addresses a fast algorithm for joint estimation of the two-dimensional (2-D) angles and polarization of the impinging signals based on a novel hierarchical spacetime decomposition (HSTD) technique. The proposed algorithm makes use of a sequence of one-dimensional (1-D) Estimation of Signal Parameters via Rotational Invariance Techniques (ESPRIT) algorithms to estimate these parameters alternatively in a hierarchical tree structure. Furthermore, a spatial beamforming process is invoked in between the 1-D ESPRIT algorithms to progressively partition signals into finer groups to enhance the estimation accuracy and to mitigate the contaminated noise. With such an ingenious tree-structured estimation scheme, the pairing of these parameters is automatically determined without extra hardware or computational cost. Simulation results show that the new algorithm provides satisfactory performance but calls for drastically reduced computations compared with previous works.
Starting Page	1
Ending Page	5
File Size	140340
Page Count	5
File Format	PDF
ISBN	9781424446568
DOI	10.1109/ICICS.2009.5397745
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Polarization Partitioning algorithms Parameter estimation Two dimensional displays Tree data structures Array signal processing Signal processing Hardware Computational efficiency Computational modeling
Content Type	Text
Resource Type	Article

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