| 摘要 |
<p>Methods and systems for measuring signal strength of supervisory audio tones (SATs) in radiocommunication systems are disclosed. Exemplary embodiments describe how such measurements may be performed using digital signal processing techniques, while reducing the amount of computing power, e.g., MIPs, used to accomplish this task. During each measurement interval a large number of SAT signal samples are received. Rather than process a complete measurement interval of received SAT samples, exemplary embodiments rely on a sliding average of samples which include both current and previous blocks of samples. In this way, the SAT signal strength can be reported relatively frequently to the system but without the number of computations that would be required to process all of the SAT signal samples received during a measurement interval.</p> |
