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2019-06-26
Localization for Mixed Near-Field and Far-Field Sources by Interlaced Nested Array
By
Progress In Electromagnetics Research M, Vol. 82, 107-115, 2019
Abstract
In this paper, a localization algorithm for mixed near-field and far-field sources by an interlaced nested array is proposed. The fourth-order cumulants (FOCs) of the received data are used to construct a FOC matrix, by which the angles of all signals can be estimated. Then, an effective method is driven to separate the directions of arrival (DOAs) of near-field and far-field sources without extreme value search. The ranges of the near-field sources can be estimated by one-dimensional (1D) search. Compared with existing nested array-based algorithms, the proposed algorithm can distinguish more sources and has higher estimation accuracy. Some simulation results are shown to certify the superiority of proposed algorithm.
Citation
Sheng Liu Jing Zhao Ziqing Yuan Ren Zhou Min Xiao Chunyan Lu , "Localization for Mixed Near-Field and Far-Field Sources by Interlaced Nested Array," Progress In Electromagnetics Research M, Vol. 82, 107-115, 2019.
doi:10.2528/PIERM19042501
http://www.jpier.org/PIERM/pier.php?paper=19042501
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