A Unitary Transformation Method for DOA Estimation with Uniform Circular Array

摘要：

Subspace based direction-of-arrival (DOA) estimation algorithms in the uniform circular array (UCA) scenario involve complex computations, which results in high hardware implementation complexity. To solve this problem, a unitary transformation method in element space is proposed. Using this method, which exploits the centrosymmetry of UCA, real-valued covariance matrix and steering vectors can be obtained, thus the hardware implementation complexity is significantly reduced; furthermore, the MUSIC algorithm based on this unitary transformation method performs better than both conventional MUSIC and the unitary MUSIC in phase mode space of the UCA.

关键词： uniform circular array centrosymmetry DOA estimation unitary transformation

作者: Dechen Xu Zhiwen Liu Yougen Xu Jinliang Cao

作者单位: School of Information and Electronic, Beijing Institute of Technology Beijing, China

会议类型: 国际会议

会议名称: 2010 IEEE International Conference Conferenhce on Wireless Communications,Networking and Information Security(2010 IEEE 无线通信、网络技术与信息安全国际会议 WCNIS)

会议地点: 北京

会议语种:英文

页码: 1-4

在线出版日期: 2010-06-25（万方平台首次上网日期，不代表论文的发表时间）