FIELD: information technology.
SUBSTANCE: signal frequency is converted from a first frequency to a second frequency. The second frequency signal is filtered to remove signals which do not fall into the second frequency transmission band. The averaged periodogram of the signal is calculated. The value of the averaged periodogram is compared with a threshold value. A transmitting signal is present if the value of the averaged periodogram exceeds the threshold.
EFFECT: high accuracy of detecting presence of a transmitting signal in a wireless communication channel.
20 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DETECTION OF TELEVISION SIGNALS DROWNED IN NOISE USING SET OF CYCLOSTATIONARITY TOOLS | 2007 |
|
RU2474972C2 |
| USE OF RADIO CHANNELS | 2014 |
|
RU2668291C2 |
| WAY OF CHANNELING FREE BAND FREQUENCY RANGE AND DEVICE THEREFOR | 2013 |
|
RU2628110C2 |
| NAVIGATION RECEIVER | 2008 |
|
RU2481596C2 |
| DIRECT-DETECTION DIGITAL-CORRECTION RECEIVER | 1995 |
|
RU2146416C1 |
| BASE STATION, TERMINAL, WIRELESS COMMUNICATION SYSTEM, BASE STATION CONTROL METHOD AND TERMINAL CONTROL METHOD | 2015 |
|
RU2698420C2 |
| SYSTEM, METHOD AND USER'S TERMINAL IN SYSTEM OF UNAMBIGUOUS DETERMINATION OF LOCATION WITH THE USE OF TWO SATELLITES ON LO- ALTITUDE NEAR-EARTH ORBIT | 1997 |
|
RU2256935C2 |
| METHOD AND DEVICE FOR SIGNAL TRANSMISSION/RECEPTION IN WIRELESS COMMUNICATION SYSTEM | 2022 |
|
RU2779459C1 |
| LOW-POWER DEMODULATOR WITH MINIMUM NUMBER OF LEADS FOR WIRELESS COMMUNICATION | 2008 |
|
RU2448413C2 |
| METHOD AND APPARATUS FOR POSITIONING IN A WIRELESS COMMUNICATION SYSTEM | 2023 |
|
RU2805220C1 |
