Robust Generalized Chinese-Remainder- Theorem-Based DOA Estimation for a Coprime Array | Zendy

Xiaoping Li | Zendy; Yunhe Cao | Zendy; Bobin Yao | Zendy; Feng Liu | Zendy

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Robust Generalized Chinese-Remainder- Theorem-Based DOA Estimation for a Coprime Array

Author(s) -

Xiaoping Li,

Yunhe Cao,

Bobin Yao,

Feng Liu

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2875402

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

In this paper, we consider the problem of determining the direction of arrival (DOA) of two sources for a coprime array. The novelty of this paper is that we present an efficient algorithm to estimate two DOAs from their wrapped phases with errors. The proposed robust generalized Chinese remainder theorem is considerably less computational complex than the searching method while maintaining comparable estimation precision. Moreover, the largest range of DOA that leads to an unambiguous determination is obtained for a given coprime array. Numerical simulations are presented to verify the efficiency and the robustness of the proposed algorithm. The simulation results show that the proposed algorithm is much faster than the searching method while achieving a similar root-mean-square error.

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