Spectrum sensing detector and spectrum sensing detection method thereof
US9479204B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2015 |
| Grant date | Oct 25, 2016 |
| Priority date | — |
| Expiry date | Feb 15, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/0408
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A spectrum sensing detector and a spectrum sensing detection method thereof are provided. The spectrum sensing detector receives a radio signal, and generates a plurality of digital signals according to the radio signal. The spectrum sensing detector calculates a plurality of signal autocorrelation values and a plurality of signal cross-correlation values according to the digital signals, and calculates a signal variable value according to the signal autocorrelation values and the signal cross-correlation values. The spectrum sensing detector determines that the radio signal includes a user radio signal after deciding that the signal variable value is greater than a signal threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.