System and method for wireless channel sensing

A system for determining availability of wireless communication links, the system comprising:

• an antenna for wirelessly receiving analog signals, the analog signals being within a predetermined range of frequencies, the analog signals being associated with a time-domain;
• a converting component for converting the analog signals to a first plurality of digital signals, the first plurality of digital signals being associated with a time domain at a predetermined range of frequencies;
• a transforming component for providing a second plurality of digital signals, the second plurality of digital signals being associated with a frequency domain;
• and
• a detecting component for determining wireless channel availability;
• wherein:
• the detecting component is configured to determine a plurality of signal strength levels associated with the second plurality of digital signals at a plurality of frequencies;
• the detecting component is further configured to compare the plurality of signal strength levels to reference levels at the plurality of frequencies and to determine a band availability for wireless communication at the predetermined range of frequencies based on the comparing.

A method for determining availability of wireless communication links, the method comprising:

• receiving wirelessly analog signals within a predetermined range of frequencies, the analog signals being associated with a time-domain;
• modifying the analog signals to digital signals, the digital signals being characterized in a frequency domain, the digital signals including a first pilot signal and a second pilot signal;
• determining a ratio of signal strength between the first pilot signal and the second pilot signal;
• comparing the ratio to a predetermined threshold;
• and
• determining a band availability for wireless communication at the predetermined range of frequencies based on the comparing.

A method for determining availability of wireless communication links, the method comprising:

• receiving wirelessly analog signals within a predetermined range of frequencies, the analog signals being associated with a time-domain;
• converting the analog signals to digital signals, the digital signals being characterized in a frequency domain, the digital signals including a first pilot signal and a second pilot signal;
• determining a ratio of signal strength between the first pilot signal and the second pilot signal;
• comparing the ratio to a predetermined threshold;
• determining a plurality of signal strength levels associated with the digital signals at a plurality of frequencies;
• determining a first band availability metric for wireless communication at the predetermined range of frequencies based on the comparing the ratio;
• comparing the plurality of signal strength levels to reference levels at the plurality of frequencies;
• determining a second band availability metric for wireless communication at the predetermined range of frequencies based on the comparing the plurality of signal strength levels;
• and
• determining a third band availability metric based on the first and second band availability metrics.