Research Article
Novel Base Station MIMO Antennas with Enhanced Spectral Efficiencies Using Angular Reuse
Table 1
Angular orientations of MIMO antenna array design variations (°).
| | Dipole element number | Conventional | Combined with angular reuse in MIMO antenna array | | N/A | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| | 1 | 0.00 | 22.50 | 45.00 | 67.00 | 90.00 | 112.50 | 135.00 | 157.50 | 180.00 | 202.50 | 225.00 | | 2 | 0.00 | 45.00 | 90.00 | 135.00 | 180.00 | 225.00 | 270.00 | 315.00 | 360.00 | 45.00 | 90.00 | | 3 | 0.00 | 67.50 | 135.00 | 202.50 | 270.00 | 337.50 | 45.00 | 112.50 | 180.00 | 247.50 | 315.00 | | 4 | 0.00 | 90.00 | 180.00 | 270.00 | 360.00 | 90.00 | 180.00 | 270.00 | 360.00 | 90.00 | 180.00 | | 5 | 0.00 | 112.50 | 225.00 | 337.50 | 90.00 | 202.50 | 315.00 | 67.50 | 180.00 | 292.50 | 45.00 | | 6 | 0.00 | 135.00 | 270.00 | 45.00 | 180.00 | 315.00 | 90.00 | 225.00 | 360.00 | 135.00 | 270.00 | | 7 | 0.00 | 157.50 | 315.00 | 112.50 | 270.00 | 67.50 | 225.00 | 22.50 | 180.00 | 337.50 | 135.00 | | 8 | 0.00 | 180.00 | 360.00 | 180.00 | 360.00 | 180.00 | 360.00 | 180.00 | 360.00 | 180.00 | 360.00 | | 9 | 0.00 | 202.50 | 45.00 | 247.50 | 90.00 | 292.50 | 135.00 | 337.50 | 180.00 | 22.50 | 225.00 | | 10 | 0.00 | 225.00 | 90.00 | 315.00 | 180.00 | 45.00 | 270.00 | 135.00 | 360.00 | 225.00 | 90.00 | | 11 | 0.00 | 247.50 | 135.00 | 22.50 | 270.00 | 157.50 | 45.00 | 292.50 | 180.00 | 67.50 | 315.00 | | 12 | 0.00 | 270.00 | 180.00 | 90.00 | 360.00 | 270.00 | 180.00 | 90.00 | 360.00 | 270.00 | 180.00 | | 13 | 0.00 | 292.50 | 225.00 | 157.50 | 90.00 | 22.50 | 315.00 | 247.50 | 180.00 | 112.50 | 45.00 | | 14 | 0.00 | 315.00 | 270.00 | 225.00 | 180.00 | 135.00 | 90.00 | 45.00 | 360.00 | 315.00 | 270.00 | | 15 | 0.00 | 337.50 | 315.00 | 292.50 | 270.00 | 247.50 | 225.00 | 202.50 | 180.00 | 157.50 | 135.00 | | 16 | 0.00 | 360.00 | 360.00 | 360.00 | 360.00 | 360.00 | 360.00 | 360.00 | 360.00 | 360.00 | 360.00 |
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