System and method for providing a distributed loaded monopole antenna
A method of operating a distributed loaded antenna system including a monopole antenna is disclosed. The method includes the steps of providing a radiation resistance unit coupled to a transmitter base, providing a current enhancing unit coupled to the radiation resistance unit via a conductive midsection; providing transmission signal energy to the radiation resistance unit, and distributing the transmission signal energy through the current enhancing unit.
1. A method of operating a distributed loaded antenna system including a monopole antenna, said method comprising the steps of:
providing a radiation resistance unit coupled to a transmitter base and including a radiation resistance unit base that is coupled to ground;
providing a current enhancing unit coupled to the radiation resistance unit via a conductive midsection having a length of about 0.025 λ where λ is the wavelength of the signal to be radiated by the antenna system;
providing transmission signal energy to the radiation resistance unit; and
distributing the transmission signal energy through the current enhancing unit.
2. The method as claimed in claim 1 , wherein said radiation resistance unit includes a helix.
3. The method as claimed in claim 1 wherein said radiation resistance unit includes a planar spiral coil winding.
4. The method as claimed in claim 1 , wherein said current enhancing unit includes a load coil.
5. The method as claimed in claim 1 , wherein said current enhancing unit includes a planar spiral coil winding.
6. The method as claimed in claim 1 , where in said current enhancing unit includes a top unit.
7. The method as claimed in claim 6 , wherein said top unit includes a conductive hub and spoke structure.
8. The method as claimed in claim 6 , wherein said top unit includes a planar spiral coil winding.
9. The method as claimed in claim 1 , wherein said antenna is printed in a printed circuit board.
10. The method as claimed in claim 1 , wherein said antenna include an adjustment unit for adjusting either the radiation resistance unit or the current enhancing unit.
11. The method as claimed as claim 10 , wherein said adjustment unit includes a slotted tube.
12. The method as claimed in claim 11 , wherein said adjustment unit further includes a tapered sleeve.
13. The method as claimed in claim 1 , wherein said radiation resistance unit has a first inductance and said current enhancing unit has a second inductance that is greater than said first inductance.
14. The method as claimed in claim 13 , wherein a ratio of said second inductance to said first inductance is in the range of about 1.1 to about 2.0.
15. The method as claimed in claim 13 , wherein a ratio of said second inductance to said first inductance is in the range of about 1.4 to about 1.7.
16. The method as claimed in claim 1 , wherein said antenna further includes a false winding that is electrically decoupled from the antenna at each end therefore, and is positioned within the radiation resistance unit between alternating windings of a conductor coil in said radiation resistance unit.
17. The method as claimed in claim 1 , wherein said transmitter base includes a coupling to ground, and a base of said radiation resistance unit is connected to ground.
18. A method of operating a distributed loaded antenna system including a monopole antenna, said method comprising the steps of:
providing a radiation resistance unit having a first inductance coupled to a transmitter base;
providing a current enhancing unit having a second inductance that is greater than the first inductance, said current enhancing unit being coupled to the radiation resistance unit via a conductive midsection;
providing transmission signal energy to the radiation resistance unit; and
distributing the transmission signal energy through the current enhancing unit.
19. The method as claimed in claim 18 , wherein a ratio of said second inductance to said first inductance is in the range of about 1.1 to about 2.0.
20. The method as claimed in claim 18 , wherein a ratio of said second inductance to said first inductance is in the range of about 1.4 to about 1.7.
21. A method of operating a distributed loaded antenna system including a monopole antenna, said method comprising the steps of:
providing a planospiral conductive radiation resistance unit coupled to a transmitter base;
providing a conductive current enhancing unit coupled to the radiation resistance unit via a conductive midsection;
providing transmission signal energy to the radiation resistance unit; and
distributing the transmission signal energy through the current enhancing unit.
22. The method as claimed in claim 21 , wherein said planospiral conductor material is generally rectangularly shaped.
23. The method as claimed in claim 21 , wherein said planospiral conductor material is generally circularly shaped.