Research Article
A Low-Profile Reflector-Enhanced Drop-Shaped Printed Antenna for Wide-Band Wireless Communications
Table 2
Parameters describing the radiation characteristics of the antenna.
| | Freq. (GHz) | Beamwidth | Max gain (dBi) | Pointing angle | F/B ratio (dB) | | -plane | for | | No reflector | With reflector | No reflector | With reflector | No reflector | With reflector | No reflector | With reflector |
| | 4 | 78 ° | 85.9 ° | 3.9 | 3.6 | 95 ° | 101 ° | 6.8 | 7.9 | | 5 | 81 ° | 69 ° | 2.1 | 3.8 | 100 ° | 96 ° | 5.8 | 9.3 | | 6 | 58 ° | 42.8 ° | 1.8 | 5.5 | 95 ° | 93 ° | 5.4 | 20.8 | | 7 | 50 ° | 52.7 ° | 3.3 | 3.4 | 96 ° | 91 ° | 8.6 | 11.3 | | 8 | 48 ° | 88.9 ° | 4.0 | 3.0 | 95 ° | 92 ° | 13.1 | 15.3 | | 9 | 58 ° | 51.3 ° | 3.1 | 3.2 | 25 ° | 51 ° | 9.4 | 4.4 | | 10 | 40 ° | 33.7 ° | 2.9 | 3.7 | 130 ° | 131 ° | 5.4 | 8.2 |
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