System and method to avoid interference with radar systems

1. A wireless network device comprising:

an input port configured to receive signals;

a wireless module configured to supply wireless signals to a network;

a memory, wherein the memory has computer executable instructions stored therein; and

a processor, wherein execution of the computer executable instructions by the processor causes the processor to:

retrieve a channel monitoring time from the memory,

determine if the wireless module is idle,

determine a period of time the wireless module is idle,

determine a quantity of channels within a frequency band used by a radar system that may be monitored in the period of time,

randomly select channels to monitor, wherein the quantity of selected channels does not exceed the quantity of channels within the frequency band used by the radar system that may be monitored,

monitor the selected channels during the period of time the wireless module is idle, wherein each channel is monitored for a predetermined period of time between transmissions of data,

develop a value of a confidence level for each channel, wherein the confidence level associated with a channel indicates the probability that frequencies associated with such channel are used by the radar system,

store the developed values of confidence levels in the memory, and

update the developed value of confidence level for each channel during each period of time the wireless module is idle, wherein

the execution of the computer executable instructions causes the processor to determine the period of time by,

determining, for each available wireless link, a ratio of a throughput of each available wireless link to a corresponding available bandwidth;

determining a sum of the ratios; and

determining the period of time the wireless module is idle as a difference between a constant number and the determined sum.

2. The wireless network device of claim 1 , wherein the wireless network device is an access point.

3. The wireless network device of claim 1 , wherein the wireless network device is a gateway.

4. The wireless network device of claim 1 , wherein the wireless network device operates in a wireless network.

5. The wireless network device of claim 4 , wherein the wireless network includes a further wireless network device operating therein.

6. The wireless network device of claim 5 , wherein the processor of the wireless network device and a processor of the further wireless network device are configured to simultaneously monitor an identical channel.

7. The wireless network device of claim 5 , wherein the processor of the wireless network device and a processor of the further wireless network device are configured to simultaneously monitor a first and a second channel, wherein the first and the second channels are different.

8. The wireless network device of claim 5 , wherein a processor of the further wireless network device is configured to,

monitor a channel, and

transmit a result of the monitoring to the wireless network device.

9. The wireless network device of claim 1 , wherein the wireless network device is configured to operate in an 802.11x compliant network.

10. The wireless network device of claim 1 , wherein the wireless module is a wireless radio frequency (RF) module.

11. The wireless network device of claim 1 , wherein the processor is configured to determine the period of time the wireless module is idle according to the following formula:

Idle time=1−Σ available wireless links ( A/B )

wherein for each of the available wireless links, A is the throughput and B is the corresponding available bandwidth.

12. The wireless network device of claim 1 , wherein the frequency band is a 5 Gigahertz (GHz) band used by the radar system.

13. The wireless network device of claim 1 , wherein the signals are wireless signals.

14. The wireless network device of claim 13 , wherein the wireless signals are radio frequency signals.