METHODS AND APPARATUSES FOR USE OF SIMULTANEOUS MULTIPLE CHANNELS IN THE DYNAMIC FREQUENCY SELECTION BAND IN WIRELESS NETWORKS

• US 20170123049A1
• Filed: 01/17/2017
• Published: 05/04/2017
• Est. Priority Date: 08/04/2015
• Status: Abandoned Application

• Current Assignee: Network Performance Research Group LLC
• Original Assignee: Network Performance Research Group LLC
• Inventors: Tsai, Kun Ting, Ngo, Terry F.K., Kurniawan, Erick, Cheng, Chiang-Jen
• Application Number:
  US15/408,042
• Publication Number:
  US 20170123049A1
• Time in Patent Office: Days
• CPC Class Codes: G01S 7/021 Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals
• CPC Class Codes: H04B 17/30 of propagation channels
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery signalling during connection H04W76/00
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of 5 GHz radio frequency channels. In one embodiment, the present invention provides a standalone multi-channel dynamic frequency selection (DFS) master that includes a switch and embedded processor that are programmed to switch a 5 GHz radio transceiver to a first channel of the plurality of 5 GHz radio channels, cause a beacon generator to generate a beacon in the first channel of the plurality of 5 GHz radio channels, cause a radar detector to scan for the radar signal in the first channel of the plurality of 5 GHz radio channel, and then repeat these steps for each of the other channels of the plurality of 5 GHz radio channels during a single beacon transmission duty cycle. In other embodiments, systems, methods, and apparatuses are disclosed that can facilitate communications in one or more DFS channels according to disclosed techniques.

Claims

1. An apparatus, comprising:

a device backplane;

a first plurality of antenna components located proximate to a perimeter of the device backplane;

a second plurality of antenna components located proximate to the perimeter of the device backplane, wherein the second plurality of antenna components is interleaved with the first plurality of antenna components about the perimeter of the device backplane; and

a wideband radar detection antenna component located proximate a center of the device backplane.

2. The apparatus of claim 1, wherein the device backplane and the first plurality of antenna components are configured to maximize separation between each of the first plurality of antenna components, and wherein the device backplane and the second plurality of antenna components are configured to maximize separation between each of the second plurality of antenna components.

3. The apparatus of claim 1, wherein at least one antenna component of the first plurality of antenna components or the second plurality of antenna components is maintained at an oblique angle to a plane coincident with the device backplane and configured to radiate energy in a direction away from the center of the device backplane.

4. The apparatus of claim 1, wherein the wideband radar detection antenna component is configured for detection and continuous real-time monitoring of at least one radar signal associated with at least one dynamic frequency selection (DFS) wireless communication channel.

5. The apparatus of claim 4, wherein the first plurality of antenna components is associated with a first multiple-input, multiple-output (MIMO) group.

6. The apparatus of claim 5, wherein the first MIMO group is configured to operate in a 5 gigahertz wireless communications band associated with the at least one DFS wireless communication channel.

7. The apparatus of claim 6, wherein the first MIMO group is configured to operate in the at least one DFS wireless communication channel based in part on the detection and continuous real-time monitoring of the at least one radar signal associated with the wideband radar detection antenna component.

8. The apparatus of claim 5, wherein the first plurality of antenna components is configured to operate in the at least one DFS wireless communication channel based at least in part on a radar detection event associated with at least one of the wideband radar detection antenna component or another device communicably coupled to the apparatus.

9. The apparatus of claim 5, wherein the second plurality of antenna components is associated with a second MIMO group.

10. The apparatus of claim 9, wherein the second MIMO group is configured to operate in a 2.4 gigahertz wireless communications band.

11. The apparatus of claim 1, wherein the wideband radar detection antenna component and the first plurality of antenna components are configured to maximize separation between the wideband radar detection antenna component and the first plurality of antenna components.

12. A method, comprising:

monitoring, with a radar detection antenna component, at least one dynamic frequency selection (DFS) wireless communication channel for a radar signal associated with the at least one DFS wireless communication channel to produce a radar detection result;

communicating, with a first array of antenna components, in a 5 gigahertz wireless communications band associated with the at least one DFS wireless communication channel based at least in part on the radar detection result; and

communicating, with a second array of antenna components, in a 2.4 gigahertz wireless communications band regardless of the radar detection result.

13. The method of claim 12, further comprising:

detecting the radar signal associated with the at least one DFS wireless communication channel and generating the radar detection result; and

ceasing communications, with the first array of antenna components, in the 5 gigahertz wireless communications band associated with the at least one DFS wireless communication channel based at least in part on the radar detection result.

14. The method of claim 13, further comprising:

receiving the radar detection result from another device communicably coupled to the radar detection antenna component.

15. The method of claim 12, wherein the monitoring, with the radar detection antenna component, comprises monitoring with the radar detection antenna component, located proximate a center of a device, wherein the communicating, with the first array of antenna components, comprises communicating, with the first array of antenna components, located proximate to a perimeter of the device, and wherein the communicating, with the second array of antenna components, comprises communicating, with the second array of antenna components, located proximate to the perimeter of the device, wherein the second array of antenna components is interleaved with the first array of antenna components about the perimeter of the device.

16. The method of claim 12, wherein the communicating, with the first array of antenna components, comprises communicating, with the first array of antenna components configured to maximize separation between each of the first array of antenna components, and wherein the communicating, with the second array of antenna components comprises communicating, with the second array of antenna components configured to maximize separation between each of the second array of antenna components.

17. The method of claim 12, wherein the communicating, with the first array of antenna components, comprises communicating, with the first array of antenna components associated with a first multiple-input, multiple-output (MIMO) group, and wherein the communicating, with the second array of antenna components comprises communicating, with the second array of antenna components associated with a second MIMO group, wherein at least one antenna component of the first array of antenna components or the second array of antenna components is oriented at an oblique angle to a plane coincident with the device to radiate energy in a direction away from the center of the device.

18. The method of claim 12, wherein the monitoring, with the radar detection antenna component, comprises monitoring with the radar detection antenna component, configured to maximize separation between the radar detection antenna component and the first array of antenna components.

19. A system comprising:

a radar detection antenna component configured to monitor at least one dynamic frequency selection (DFS) wireless communication channel for a radar signal associated with the at least one DFS wireless communication channel to produce a radar detection result;

a first array of antenna components configured to communicate in a 5 gigahertz wireless communications band associated with the at least one DFS wireless communication channel based at least in part on the radar detection result; and

a second array of antenna components configured to communicate in a 2.4 gigahertz wireless communications band regardless of the radar detection result, wherein the first array of antenna components are located proximate to a perimeter of a device comprising the radar detection antenna component, wherein the second array of antenna components are located proximate to the perimeter of the device, wherein the second array of antenna components is interleaved with the first array of antenna components about the perimeter of the device, and wherein the radar detection antenna component is configured to maximize separation between the radar detection antenna component and the first array of antenna components.

20. The system of claim 19, wherein at least one antenna component of the first array of antenna components or the second array of antenna components is oriented at an oblique angle to a plane coincident with the device to radiate energy in a direction away from a center of the device.