High-resolution narrow-band DOA (direction of arrival) estimation algorithm for wireless signals and implementation method

The invention discloses a high-resolution narrow-band DOA estimation algorithm for wireless signals and an implementation method, and the method comprises the following steps: S1, building a two-dimensional antenna array data model, wherein in a two-dimensional uniform rectangular array model, only...

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Bibliographic Details
Main Authors GUO SHENGJIE, TIAN YULU, CHEN YUAN, ZHAO CHANGMING
Format Patent
LanguageChinese
English
Published 21.09.2021
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention discloses a high-resolution narrow-band DOA estimation algorithm for wireless signals and an implementation method, and the method comprises the following steps: S1, building a two-dimensional antenna array data model, wherein in a two-dimensional uniform rectangular array model, only in an echo direction range of a plane angle and a pitch angle, receiving signals exist, and when receiving data is processed, evenly dividing the echo direction into K1*K2 grid points, wherein the plane angle and the pitch angle corresponding to each grid point are the distance d between the adjacent array elements. An SIAA algorithm searches for the self-defined echo space, compared with an IAA algorithm, the direction resolution of DOA estimation is further improved, the fast implementation scheme of the SIAA algorithm combining 2-DFFT and GS decomposition greatly reduces the operation complexity, through a computer simulation experiment, under the condition that the same grid number is adopted for searching as a
Bibliography:Application Number: CN202110573650