System and method for interference detection

1. An apparatus, comprising:

at least one processor; and

at least one memory including a computer program, executable by the at least one processor,

wherein the at least one memory and the computer program, with the at least one processor, are configured to cause the apparatus to:

scan a given frequency band for transmissions of a given transmission system;

determine one or more given parameters from results of the scan;

compare at least one determined parameter to a given threshold value;

determine based on the comparison that an unknown transmission exists on the given frequency band;

determine one or more transmission systems which may cause the unknown transmission;

scan at least part of the given frequency band for transmissions of the determined one or more transmission systems; and

determine, based on the scan of the at least part of the given frequency band, a transmission system of the one or more transmission systems causing the unknown transmission and decoding information related to the transmission system and transmission parameters of the unknown transmission.

2. The apparatus according to claim 1 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to cause the apparatus to determine the frequency of the unknown transmission.

3. The apparatus according to claim 1 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to cause the apparatus to store information related to the transmission system and the transmission parameters.

4. The apparatus according to claim 2 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to cause the apparatus to determine the one or more transmission systems which may cause the unknown transmission based on the frequency of the unknown transmission.

5. The apparatus according to claim 1 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to cause the apparatus to scan at least part of the given frequency band for transmissions in turn using the determined transmission parameters.

6. The apparatus according to claim 1 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to cause the apparatus to select start and stop frequencies for the frequency band to be scanned and scanning the selected frequency band for transmissions of one more determined one or more transmission systems.

7. The apparatus according to claim 1 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to cause the apparatus to read system information messages from the unknown transmission of the one or more transmission systems causing the unknown transmission.

8. The apparatus according to claim 1 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to measure one or more parameters from the unknown transmission if the one or more transmission systems causing the unknown transmission cannot be determined and storing the measured parameters.

9. The apparatus according to claim 1 , wherein the given parameters comprise a signal quality of a received signal or a signal level of a received signal.

10. The apparatus according to claim 1 , wherein the at least one memory and the computer program, with the at least one processor, are further configured to determine that an unknown transmission exists on the given frequency band if the at least one determined parameter exceeds the given threshold value for a given time period.

11. A method, comprising:

scanning a given frequency band for transmissions of a given transmission system;

determining one or more parameters from results of the scanning;

comparing at least one determined parameter of the one or more parameters to a given threshold value;

determining based on the comparison that an unknown transmission exists on the given frequency band;

determining one or more transmission systems which may cause the unknown transmission;

scanning at least part of the given frequency band for transmissions of the determined one or more transmission systems; and

determining, based on the scanning of the at least part of the given frequency band, a transmission system of the one or more transmission systems causing the unknown transmission and decoding information related to the transmission system and transmission parameters of the unknown transmission.

12. A method according to claim 11 , further comprising:

determining that an unknown transmission exists on the given frequency band if the at least one determined parameter exceeds the given threshold value for a given time period.

13. The method according to claim 11 , further comprising:

storing information related to the transmission system and the transmission parameters.

14. The method according to claim 11 , wherein determining the one or more transmission systems which may cause the unknown transmission is based on frequency of the unknown transmission.

15. The method according to claim 11 , further comprising:

scanning at least part of the given frequency band for transmissions in turn using the determined transmission parameters.

16. The method according to claim 11 , wherein the one or more parameters comprise a signal quality of a received signal or a signal level of a received signal.

17. The method according to claim 11 , further comprising:

measuring one or more parameters from the unknown transmission if the transmission system causing the unknown transmission cannot be determined and storing the measured parameters.