Title :
Beamspace PM-Root-MUSIC for Uniform Circular Array Based on MST
Author :
Pan, Jie ; Zhou, Jianjing
Author_Institution :
Dept. of Electr. & Electron. Eng., Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China
Abstract :
In this paper, we developed a novel version of PM-Root-MUSIC algorithm for uniform circular array (UCA) in order to avoid the performance degradation of DOA estimation when the number of elements in UCA is small. Based on the manifold separation technique (MST) and propagator method (PM), a beamspace DOA estimation algorithm for UCA was proposed. This method requires no eigen-decomposition calculation, therefore reduce the computational load significantly, and provide close to CRB performance even applied to UCA with limited number of elements.
Keywords :
antenna arrays; direction-of-arrival estimation; signal classification; transforms; DOA estimation algorithm; MST; beamspace PM-root-MUSIC algorithm; beamspace transform; manifold separation technique; propagator method; uniform circular array; Antenna arrays; Azimuth; Degradation; Direction of arrival estimation; Directive antennas; Gaussian noise; Radar antennas; Radar applications; Sensor arrays; Sonar navigation; beamspace transform; manifold separation technique; propagator method; uniform circular array;
Conference_Titel :
Computational Sciences and Optimization, 2009. CSO 2009. International Joint Conference on
Conference_Location :
Sanya, Hainan
Print_ISBN :
978-0-7695-3605-7
DOI :
10.1109/CSO.2009.62
