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Estimation of 2-D DOA using non-circular music method for Uniform Circular and Rectangular Arrays

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Journal of Electronics (China)

Abstract

This paper extends the Non-Circular MUltiple SIgnal Classification (MUSIC) (NC-MUSIC) method for the common array geometries including Uniform Circular Arrays (UCAs) and Uniform Rectangular Arrays (URAs), which enables the algorithm to estimate 2-D Direction Of Arrival (DOA). A comparison between UCAs and URAs of NC-MUSIC is made in this paper. The simulations show that the NC-MUSIC method doubles the maximum estimation number of standard MUSIC. Using non-circular signals, the performance of URAs is improved remarkably while the improvement of UCAs is not so significantly. Moreover, the influence of arrays structures on the NC-MUSIC method is discussed.

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Authors and Affiliations

  1. National Key Laboratory of Science and Technology on Antennas and Microwaves, Xidian University, Xi’an, 710071, China

    Rui Li, Xiaowei Shi, Le Xu & Ping Li

  2. MMIC Laboratory, Microwave Group, ECE Department, National University of Singapore, Singapore, Singapore

    Xiaojun Bi

Authors
  1. Rui Li
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  2. Xiaowei Shi
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  3. Le Xu
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  4. Xiaojun Bi
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  5. Ping Li
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Corresponding author

Correspondence to Rui Li.

Additional information

Communication author: Li Rui, born in 1980, female, Ph.D.. Xidian University, Xi’an 710071, China.

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Li, R., Shi, X., Xu, L. et al. Estimation of 2-D DOA using non-circular music method for Uniform Circular and Rectangular Arrays. J. Electron.(China) 28, 38–43 (2011). https://doi.org/10.1007/s11767-011-0480-5

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  • DOI: https://doi.org/10.1007/s11767-011-0480-5

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