Multi-band reconfigurable capacitively loaded magnetic dipole
View Patent ↗Designs and physical configurations for multi-frequency, low-profile, capacitively loaded magnetic dipole antennas with active elements to be used in wireless communications covering multiple band application are provided.
1. A multi-band capacitively coupled dipole antenna comprising:
a conductive top portion including a first portion coupled to a second portion by a connection section;
a ground plane portion disposed opposite to the conductive top portion, and
a control portion for enabling active reconfiguration of the antenna;
wherein one of the first portion, second portion or connection section further comprises a multipart element having a first part and a second part connected by the control portion much that activation of the control portion electrically connects the first portion and second portion to effectuate a larger surface geometry of the multipart element and deactivation of the control portion electrically disconnects the first portion and second portion to effectuate a smaller surface geometry, the change in geometry causing the antenna to be actively reconfigured.
2. The antenna of claim 1 , wherein either the first portion of the second portion comprise the multipart element.
3. The antenna of claim 1 , wherein the connection section comprises the multipart element.
4. The antenna of claim 1 , further comprising a third portion coupled to the first portion by a second connection section.
5. The antenna of claim 4 , further comprising third portion control portion connecting the third portion to the first portion for enabling active reconfiguration of the antenna.
6. The antenna of claim 1 , wherein the antenna further comprises a ground connection portion connecting the conductive top portion to the ground plan portion.
7. The antenna of claim 6 , further comprising a stub connected to the ground connection portion creating a gap between the antenna and the stub for generating an additional resonant frequency for the antenna.
8. The antenna of claim 1 , wherein the antenna further comprises a feed line connecting the conductive top portion to an antenna feed.
9. The antenna of claim 8 further comprising a stub connected to the feed line creating a gap between the antenna and the stub for generating an additional resonant frequency for the antenna.
10. The antenna of claim 7 wherein the stub further comprises a first stub part and a second stub part connected by a stub control portion for enabling active reconfiguration of the antenna.
11. The antenna of claim 9 wherein the stub further comprises a first stub part and a second stub part connected by a stub control portion for enabling active reconfiguration of the antenna.
12. The antenna of claim 7 further comprising a stub control portion connecting the stub to the ground plane portion for enabling active reconfiguration of the antenna.
13. The antenna of claim 9 further comprising a stub control portion connecting the stub to the ground plane portion for enabling active reconfiguration of the antenna.
14. The antenna of claim 7 further comprising a stub control portion connecting the stub to the top portion for enabling active reconfiguration of the antenna.
15. The antenna of claim 9 further comprising a stub control portion connecting the stub to the top portion for enabling active reconfiguration of the antenna.
16. The antenna of claim 1 , wherein the control potion comprises a switch.
17. The antenna of claim 1 , wherein the control portion comprises a transistor.
18. The antenna of claim 1 , wherein the control portion comprises an FET device.
19. The antenna of claim 1 , wherein the control portion comprises a MEMs device.
20. A device comprising:
a multi-band capacitively coupled dipole antenna, the antenna including:
a conductive top portion including a first portion coupled to a second portion by a connection section;
a ground plane portion disposed apposite to the conductive top portion, and
a control portion for enabling active reconfiguration of the antenna;
wherein one of the first portion, second portion, or connection section further comprises a multipart element having a first part and a second part connected by the control portion such that activation of the control portion electrically connects the first portion and second portion to effectuate a larger surface geometry of the multipart element and deactivation of the control portion electrically disconnects the first portion and second portion to effectuate a smaller surface geometry, the change in geometry causing the antenna to be actively reconfigured.
21. The antenna of claim 20 , wherein either the first portion of the second portion comprise the multipart element.
22. The antenna of claim 20 , wherein the connection section comprises the multipart element.
23. The antenna of claim 20 , further comprising a third portion coupled to the first portion by a second connection section.
24. The antenna of claim 23 , further comprising third portion control portion connecting the third portion to the first portion for enabling active reconfiguration of the antenna.
25. The antenna of claim 20 , wherein the antenna further comprises a ground connection portion connecting the conductive top portion to the ground plan portion.
26. The antenna of claim 25 further comprising a stub connected to the ground connection portion creating a gap between the antenna and the stub for generating an additional resonant frequency for the antenna.
27. The antenna of claim 20 , wherein the antenna further comprises a feed line connecting the conductive top portion to an antenna feed.
28. The antenna of claim 27 , further comprising a stub connected to the feed line creating a gap between the antenna and the stub for generating an additional resonant frequency for the antenna.
29. The antenna of claim 26 wherein the stub further comprises a first stub part and a second stub part connected by a stub control portion for enabling active reconfiguration of the antenna.
30. The antenna of claim 28 wherein the stub further comprises a first stub part and a second stub part connected by a stub control portion for enabling active reconfiguration of the antenna.
31. The antenna of claim 26 further comprising a stub control portion connecting the stub to the ground plane portion for enabling active reconfiguration of the antenna.
32. The antenna of claim 28 further comprising a stub control portion connecting the stub to the ground plane portion for enabling active reconfiguration of the antenna.
33. The antenna of claim 26 further comprising a stub control portion connecting the stub to the top portion for enabling active reconfiguration of the antenna.
34. The antenna of claim 28 further comprising a stub control portion connecting the stub to the top portion for enabling active reconfiguration of the antenna.
35. The antenna of claim 20 , wherein the control portion comprises a switch.
36. The antenna of claim 20 , wherein the control portion comprises a transistor.
37. The antenna of claim 20 , wherein the control portion comprises an FET device.
38. The antenna of claim 20 , wherein the control portion comprises a MEMs device.