Direction-of-Arrival Estimation for Closely Coupled Dipoles Using Embedded Pattern Diversity

摘要：

　　direction-of-arrival (DOA) estimation for very closely spaced dipoles (no larger than 0.1 wavelength) is considered.In contrast to reducing the mutual coupling effect in conventional DOA methods, we demonstrate in this work that the mutual coupling can produce amplitude and phase difference of embedded element patterns, which can be utilized to greatly improve DOA estimation performance by incorporating the pattern diversity into the estimation algorithm.Simulation results show that two coupled dipoles achieve much higher DOA estimation accuracy than the ones without mutual coupling (for example, with the basic multiple signal classification (MUSIC)algorithm, the two coupled dipoles can achieve the root-meansquared error (RMSE) of 1° within 120° arriving angle range for the spacing of 0.1 wavelength and RMSE of 2° within 90° range for only 0.02 wavelength, at moderately high SNR and sampling condition)

作者: Yanhui Liu Xiaoping Xiong Shulin Chen Qing Huo Liu Kun Liao Jinfeng Zhu

作者单位: Department of Electronic Science, Xiamen University, Fujian 361005, China Department of Electronic Science, Xiamen University, Fujian 361005, China;Department of Electrical E

会议类型: 国际会议

会议名称: 2013 International Symposium on Antennas and Propagation(2013天线与传播国际会议)

会议地点: 南京

会议语种:英文

页码: 467-469

在线出版日期: 2013-10-23（万方平台首次上网日期，不代表论文的发表时间）