Method and apparatus for signal interference processing

Patent metadata

Field	Value
Publication number	US-9742547-B2
Application number	US-201514926496-A
Country	US
Kind code	B2
Filing date	Oct 29, 2015
Priority date	Mar 15, 2013
Publication date	Aug 22, 2017
Grant date	Aug 22, 2017

Abstract

Aspects of the subject disclosure may include, for example, obtaining a schedule of transmission segments in an uplink of a communication system, determining a threshold for detecting signal interference in at least one transmission segment of a plurality of transmission segments according to the schedule of transmission segments in the uplink, and detecting signal interference in the at least one transmission segment of the plurality of transmission segments according to the threshold.

First claim

What is claimed is:

1. A method, comprising:
obtaining, by a system comprising a processor, a schedule of spectral segments in an uplink of a communication system, wherein the obtaining the schedule of spectral segments in the uplink comprises obtaining synchronization information to determine when a communication device of the communication system will transmit signals according to the schedule of spectral segments in the uplink;
determining, by the system, at least one threshold for detecting signal interference in a plurality of spectral segments according to the schedule of spectral segments in the uplink;
detecting, by the system, signal interference in a portion of the plurality of spectral segments according to the at least one threshold;
detecting, by the system, that a number of signal interferers detected in the portion of the plurality of spectral segments exceeds a number of filters of a plurality of filters; and
prioritizing, by the system, use of the plurality of filters to filter the signal interference in the portion of the plurality of spectral segments for suppressing at least a portion of the signal interference detected.

2. The method of claim 1 , wherein the obtaining the schedule of spectral segments in the uplink comprises monitoring a control channel.

3. The method of claim 2 , wherein the control channel is monitored wirelessly.

4. The method of claim 1 , wherein the obtaining the schedule of spectral segments in the uplink comprises receiving the schedule of spectral segments from a base station.

5. The method of claim 1 , further comprising determining a traffic load of signals transmitted by at least one communication device of the communication system according to the schedule of spectral segments in the uplink.

6. The method of claim 5 , wherein the determining the at least one threshold comprises determining the least one threshold according to the traffic load of signals.

7. The method of claim 5 , wherein the determining the at least one threshold comprises:
determining at least one baseline power level according to the traffic load of signals; and
determining the at least one threshold from the at least one baseline power level.

8. The method of claim 1 , comprising:
detecting, by the system, that the portion of the plurality of spectral segments includes voice traffic;
performing, by the system, a first quality of service measure of the portion of the plurality of spectral segments responsive to detecting the signal interference;
comparing, by the system, the first quality of service measure to a desired quality of service measure for voice traffic to obtain a comparison;
determining, by the system, from the comparison that the portion of the plurality of spectral segments is not suitable for voice traffic; and
redirecting, by the system, the voice traffic to one or more other spectral segments of the plurality of spectral segments responsive to determining that the portion of the plurality of spectral segments is not suitable for voice traffic.

9. The method of claim 1 , wherein the determining the at least one threshold comprises:
measuring a plurality of power levels in one or more portions of the plurality of spectral segments having communication traffic;
determining at least one baseline power level from the plurality of power levels; and
determining the at least one threshold from the at least one baseline power level.

10. A machine-readable storage device, comprising instructions, which when executed by a processor, facilitates a performance of operations comprising:
obtaining a schedule of transmission segments in an uplink of a communication system, wherein the obtaining the schedule of transmission segments in the uplink comprises obtaining synchronization information to determine when a communication device of the communication system will transmit signals according to the schedule of transmission segments in the uplink;
determining a threshold for detecting signal interference in at least one transmission segment of a plurality of transmission segments according to the schedule of transmission segments in the uplink;
detecting signal interference in the at least one transmission segment of the plurality of transmission segments according to the threshold;
detecting that a number of signal interferers in the at least one transmission segment of the plurality of transmission segments exceeds a number of filters of a plurality of filters; and
prioritizing use of the plurality of filters to filter signal interference in the at least one transmission segment of the plurality of transmission segments for suppressing at least a portion of the signal interference detected.

11. The machine-readable storage device of claim 10 , wherein the obtaining the schedule of transmission segments in the uplink comprises monitoring a control channel.

12. The machine-readable storage device of claim 10 , wherein the obtaining the schedule of transmission segments in the uplink comprises receiving the schedule of transmission segments from a network element of the communication system.

13. The machine-readable storage device of claim 10 , wherein the obtaining the schedule of transmission segments in the uplink comprises monitoring a control channel.

14. The machine-readable storage device of claim 10 , wherein the operations further comprise determining a traffic load of signals transmitted by at least one communication device of the communication system according to the schedule of transmission segments in the uplink, wherein the determining the threshold comprises determining the threshold according to the traffic load of signals.

15. The machine-readable storage device of claim 10 , wherein each transmission segment of the plurality of transmission segments conforms to a long term evolution (LTE) protocol.

16. The machine-readable storage device of claim 10 , wherein the obtaining the schedule of transmission segments in the uplink comprises receiving the schedule of transmission segments from a base station.

17. A communication device, comprising:
a processor; and
a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:
obtaining a schedule of transmission segments in a communication link of a communication system, wherein the obtaining the schedule of transmission segments in the communication link comprises obtaining synchronization information to determine when a communication device of the communication system will transmit signals according to the schedule of transmission segments in the communication link;
detecting signal interference in a portion of a plurality of transmission segments according to the schedule of transmission segments and at least one threshold for detecting interference;
detecting that a number of signal interferers in the portion of the plurality of transmission segments exceeds a number of filters of a plurality of filters; and
prioritizing use of the plurality of filters to filter signal interference in the portion of the plurality of transmission segments for suppressing at least a portion of the signal interference detected.

18. The communication device of claim 17 , wherein each transmission segment of the plurality of transmission segments conforms to a long term evolution (LTE) protocol.

19. The communication device of claim 17 , wherein the obtaining the schedule of transmission segments in the communication link comprises monitoring a control channel.

Assignees

• Isco Int Llc

Inventors

• Galeev Mikhail
• Abdelmonem Amr
• Seskiewicz Dariusz
• Wang Zhigang

Classifications

• H04W72/541 Primary

  using the level of interference · CPC title

• H04W72/542

  using measured or perceived quality · CPC title

• H04W72/54

  based on quality criteria · CPC title

• H04W72/52

  based on load · CPC title

• H04L5/006

  Quality of the received signal, e.g. BER, SNR, water filling · CPC title