Method and apparatus for monitoring, detecting, testing, diagnosing and/or mitigating interference in a communication system
A system that incorporates aspects of the subject disclosure may perform operations including, for example, receiving, via an antenna, a signal generated by a communication device, detecting passive intermodulation interference in the signal, the interference generated by one or more transmitters unassociated with the communication device, and the interference determined from signal characteristics associated with a signaling protocol used by the one or more transmitters. Other embodiments are disclosed.
1. A method, comprising:
receiving, by a first base station, a wireless signal, wherein the wireless signal corresponds to an uplink signal;
converting, by the first base station, the wireless signal to a common public radio interface (CPRI) signal; and
determining, by the first base station, from the CPRI signal, whether there is a presence of a first interference caused by a downlink signal that mixes with the uplink signal, a second interference caused by uplink noise generating by user equipment communicating with a second base station, a third interference caused by noise caused by a defective transmission from the second base station, a fourth interference caused by noise caused by one or more adjacent base stations not including the first base station, a fifth interference caused by a device that is not a base station, or combinations thereof, wherein the first interference, the second interference, the third interference, the fourth interference, the fifth interference, and combinations thereof are collectively a plurality of interferences;
identifying resources of the first base station for mitigating the plurality of interferences; and
mitigating at least a portion of the plurality of interferences according to the identifying of the resources of the first base station.
2. The method of claim 1 , wherein the first interference comprises passive intermodulation (PIM) interference.
3. The method of claim 1 , wherein the second interference comprises intercell interference.
4. The method of claim 1 , wherein the second interference is detected according to header information included in the uplink noise.
5. The method of claim 1 , wherein the third interference comprises leakage interference generated by the second base station.
6. The method of claim 1 , wherein the fourth interference comprises leakage interference caused by the one or more adjacent base stations.
7. A non-transitory, machine-readable storage device, comprising executable instructions that, when executed by a first system of a plurality of systems, facilitate performance of operations, the operations comprising:
receiving a wireless signal, wherein the wireless signal corresponds to an uplink signal;
converting the wireless signal to a common public radio interface (CPRI) signal; and
detecting, from the CPRI signal, a first interference caused by a downlink signal that mixes with the uplink signal, a second interference caused by uplink noise generating by user equipment communicating with a second system, a third interference caused by noise caused by a defective transmission from the second system, a fourth interference caused by noise caused by one or more adjacent system not including the first system, a fifth interference caused by a device that is not included in the plurality of systems, or combinations thereof, wherein the first interference, the second interference, the third interference, the fourth interference, the fifth interference, and combinations thereof are collectively a plurality of interferences;
identifying resources of the first system for mitigating the plurality of interferences; and
mitigating at least a portion of the plurality of interferences according to the identifying of the resources of the first system.
8. The non-transitory, machine-readable storage device of claim 7 , wherein the first interference comprises passive intermodulation (PIM) interference.
9. The non-transitory, machine-readable storage device of claim 7 , wherein the second interference comprises intercell interference.
10. The non-transitory, machine-readable storage device of claim 7 , wherein the second interference is detected according to header information included in the uplink noise.
11. The non-transitory, machine-readable storage device of claim 7 , wherein the third interference comprises leakage interference generated by the second system.
12. The non-transitory, machine-readable storage device of claim 7 , wherein the fourth interference comprises leakage interference caused by the one or more adjacent systems.
13. A first system of a plurality of systems, the first system comprising:
an antenna; and
a processor coupled to the antenna, the processor facilitating operations including:
receiving a wireless signal, wherein the wireless signal corresponds to an uplink signal;
converting the wireless signal to a common public radio interface (CPRI) signal;
detecting, from the CPRI signal, first interference caused by a downlink signal that mixes with the uplink signal, second interference caused by uplink noise generating by user equipment communicating with a second system, third interference caused by noise caused by a defective transmission from the second system, fourth interference caused by noise caused by one or more adjacent system not including the first system, fifth interference caused by a device that is not included in the plurality of systems, or combinations thereof, wherein the first interference, the second interference, the third interference, the fourth interference and the fifth interference are collectively a plurality of interferences;
identifying resources of the first system for mitigating the plurality of interferences; and
mitigating at least a portion of the plurality of interferences according to the identifying of the resources of the first system.
14. The first system of claim 13 , wherein the first interference comprises passive intermodulation (PIM) interference.
15. The first system of claim 13 , wherein the second interference comprises intercell interference.
16. The first system of claim 13 , wherein the second interference is detected according to header information included in the uplink noise.
17. The first system of claim 13 , wherein the third interference comprises leakage interference generated by the second system.
18. The first system of claim 13 , wherein the fourth interference comprises leakage interference caused by the one or more adjacent systems.
19. The system of claim 13 , wherein the resources of the system are less than a total number of the plurality of interferences thereby resulting in a limited set of mitigation resources.
20. The system of claim 19 , further comprising identifying a priority for mitigating the plurality of interferences according to the limited set of mitigation resources, wherein the mitigating is performed according to the priority, thereby resulting in a mitigation of less than the total number of the plurality of interferences.