Direction of Arrival Estimation Accuracy Enhancement via Using Displacement Invariance Technique

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Comparison item   </td><td align="center" colspan="2">Algorithm</td></tr><tr class="thead"><td align="center">Conventional  ESPRIT</td><td align="center">Proposed algorithm</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Computational time (msec)</td><td align="center">17.7</td><td align="center">10.2</td></tr><tr><td align="left">Computational complexity</td><td align="center"><span style="width: 119.306ptpx;"><svg height="14.114pt" id="M188" style="vertical-align:-2.268101pt" version="1.1" viewbox="-0.0498162 -11.8459 119.306 14.114" width="119.306pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M699 369C699 549 575 666 407 666C186 666 23 488 23 278C23 101 145 -16 312 -16C535 -16 699 153 699 369ZM600 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Comparison of the required computation time and complexity.

International Journal of Antennas and Propagation

tab3

Table 3

Table 3: Direction of Arrival Estimation Accuracy Enhancement via Using Displacement Invariance Technique 