Wireless access point with enhanced coverage

• US 20050186991A1
• Filed: 02/10/2004
• Published: 08/25/2005
• Est. Priority Date: 02/10/2004
• Status: Abandoned Application

• Current Assignee: Centurion Wireless Technologies Inc (Laird Limited)
• Original Assignee: Centurion Wireless Technologies Inc (Laird Limited)
• Inventors: Bateman, Blaine R.
• Application Number:
  US10/776,497
• Publication Number:
  US 20050186991A1
• Time in Patent Office: Days
• US Class Current: 455/562.100
• CPC Class Codes: H01Q 1/242 specially adapted for hand-held use
• CPC Class Codes: H01Q 19/10 using reflecting surfaces
• CPC Class Codes: H01Q 9/30 with feed to end of elongated active element, e.g. unipole H01Q9/44 takes precedence

Abstract

The present invention provides an enhanced wireless access point. In particular, the enhanced wireless access point comprises at least one omni directional antenna and at least one ground plane. The at least one ground plane is arranged to cause the omni directional antenna to function as a directional antenna.

Claims

1. A enchanced wireless access point, comprising:

an access point;

at least one omni directional antenna; and

at least one ground plane radio frequency coupled to at least one of the at least one omni directional antenna, wherein

the at least one omni directional antenna functions as a directional antenna.

2. The wireless gateway according to claim 1, wherein the at least one omni directional antenna comprises at least one of a dipole, a monopole, a printed circuit board antenna, a planar inverted F antenna, a multiband dipole, a PLB microstrip antenna, and a dielectric antenna.

3. The wireless gateway according to claim 1, wherein the at least one omni directional antenna comprises a plurality of omni directional antennas.

4. The wireless gateway according to claim 3, wherein the plurality of omni directional antennas are arranged to provided diversity.

5. The wireless gateway according to claim 2, wherein the at least one ground plane comprises a plurality of ground planes.

6. The wireless gateway according to claim 1, wherein the at least one omni directional antenna comprises a first number of omni directional antennas and the at least one ground plane comprises a second number of ground planes where the first number of omni directional antenna is larger than the second number of ground planes.

7. The wireless gateway according to claim 1, wherein the at least one omni directional antenna comprises two omni directional antennas arranged to provided diversity.

8. The wireless gateway according to claim 7, wherein the at least one ground plane comprises one ground plane associated with one of the two omni directional antennas.

9. The wireless gateway according to claim 7, wherein the at least one ground plane comprises two ground planes, each ground plane associated with a respective one of the omni directional antennas.

10. The wireless gateway according to claim 1, further comprising:

at least one substrate;

the at least one ground plane is mounted on the substrate; and

the at least one substrate is releasably coupled to the access point.

11. The wireless gateway according to claim 1, wherein the access point comprises a back plane and the at least one ground plane is mounted on the back plane.

12. The wireless gateway according to claim 1, wherein the at least one ground plane is placed to steer a radiation pattern associated with the at least one omni directional antenna.

13. A wireless gateway, comprising:

an access point;

means for providing an omni directional radio frequency pattern; and

means for converting the omni directional radio frequency pattern to a directional radio frequency pattern.

14. The wireless gateway according to claim 13, wherein the means for providing is at least one omni directional antenna.

15. The wireless gateway according to claim 13, wherein the means for converting is at least one ground plane.

16. The wireless gateway according to claim 13, wherein the means for converting is about ¼

wavelength from the means for providing.

17. A wireless gateway, comprising:

an access point;

the access point adapted to connect to a network;

a bracket;

the bracket releasably coupled to the access point; and

the access point further comprises;

a first omni directional antenna; and

a second omni directional antenna;

the bracket further comprises;

a first ground plane;

such that when the bracket is releasably coupled to the access point, the first ground plane causes the first omni directional antenna to exhibit a first directional antenna radiation pattern.

18. The wireless gateway according to claim 17, wherein the first ground plane causes the second omni directional antenna to exhibit a directional antenna radiation pattern.

19. The wireless gateway according to claim 17, wherein the bracket comprise a second ground plane and the second ground plane causes the second omni directional antenna to exhibit a section directional antenna radiation pattern.

20. The wireless gateway according to claim 17, wherein when the bracket is releasably coupled to the access point, the first ground plane is about ¼

wavelength from the first omni directional antenna.