Research Article
Compact Antenna with Frequency Reconfigurability for GPS/LTE/WWAN Mobile Handset Applications
Table 1
Size and performance of previously reported antennas and the proposed antenna.
| | Number | Size (mm2) | Efficiency | Gain (dBi) | Achieved bandwidth (MHz) | Relative bandwidth | Reconfigurability cost |
| | [9] | 15 × 60 | >70%/>60% | 2~2.5/4.2~5 | 698~960/1710~2690 | 31.6%/44.5% | PIN diode | | [11] | 10 × 36.5 | >52.83%/>52.14% | 0.13~1.59/0.68~3.85 | 698~960/1710~2690 | 31.6%/44.5% | PIN diode | | [13] | 12 × 40 | >50%/>50% | 1~3/2~4 | 698~960/1710~2690 | 31.6%/44.5% | RF switch and lumped inductances | | Proposed antenna | 12 × 28 | >50%/>60% | −1.43~2.28/0.42~2.0 | 683~960/1460~2820 | 33.7%/63.6% | RF switch and lumped inductances |
|
|
