# US 11,115,988 B2 · Method and apparatus for avoiding interference > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,115,988 B2 - Document ID: US11115988B2 - Status: Granted - Kind: B2 - Application number: 17/022,235 - Filed: 2020-09-16 - Published: 2021-01-07 - Granted: 2021-09-07 - Earliest claimed: 2013-03-15 - Assignees: ISCO International, LLC - Applicants: ISCO International, LLC - Inventors: Amr Abdelmonem - Web page: https://patentgrep.com/patent/US11115988B2 ## CPC - H04W 72/541: using the level of interference - H04B 1/1036: {with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters (H04B1/123 takes precedence; filter circuits H03H)} - H04B 1/709: Correlator structure - H04B 1/71: the interference being narrowband interference - H04B 1/7103: the interference being multiple access interference - H04B 15/00: Suppression or limitation of noise or interference (by means associated with receiver H04B1/10) - H04B 17/00: Monitoring; Testing (of line transmission systems H04B3/46; arrangements for monitoring or testing transmission systems employing electromagnetic waves other than radio waves H04B10/07) - H04B 17/21: for calibration; for correcting measurements - H04B 17/26: using historical data, averaging values or statistics - H04B 17/318: Received signal strength - H04B 17/327: Received signal code power [RSCP] - H04B 17/345: Interference values ({signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]} H04B17/336) - H04B 17/373: Predicting channel quality {or other radio frequency [RF]} parameters - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0026: {Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]} - H04L 5/0032: {Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation} - H04L 5/0073: {Allocation arrangements that take into account other cell interferences} - H04L 41/069: using logs of notifications; Post-processing of notifications - H04W 4/02: Services making use of location information - H04W 4/023: {using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds} - H04W 4/029: Location-based management or tracking services - H04W 16/28: using beam steering - H04W 24/02: Arrangements for optimising operational condition - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 28/0236: {radio quality, e.g. interference, losses or delay} - H04W 28/04: Error control - H04W 40/16: based on interference - H04W 52/04: Transmission power control [TPC] - H04W 52/14: Separate analysis of uplink or downlink - H04W 52/243: {taking into account interferences} - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - H04W 64/006: {with additional information processing, e.g. for direction or speed determination} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/52: based on load - H04W 72/54: based on quality criteria - H04W 72/542: using measured or perceived quality - H04B 7/2634: {for channel frequency control} - H04B 2201/709709: Methods of preventing interference - H04B 2201/709745: Iterative interference mitigation schemes - H04J 11/0066: {of narrowband interference (narrowband interference reduction H04B1/1036)} - H04L 5/006: {Quality of the received signal, e.g. BER, SNR, water filling} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) ## Abstract A system that incorporates the subject disclosure may perform, for example, a method that determines at least one threshold for detecting signal interference in a first plurality of segments occurring in a first radio frequency spectrum of a first wireless communication system, detecting a pattern of recurrence over time of signal interference in a segment of the first plurality of resource blocks according to the at least one threshold, and performing one or more mitigation steps to mitigate the signal interference without filtering the signal interference where the one or more mitigation steps include at least one of transmitting signals out of phase from the signal interference, adjusting transmit power, increasing power in a resource block of a long term evolution communication session, performing beam steering, or changing time parameters for the resource block without changing to a new resource block. Other embodiments are disclosed. ## Claims ### Claim 1 A method comprising: experiencing, by a wireless communication device, a pattern of recurrence over time of a signal interference; and performing, by the wireless communication device, one or more first mitigation steps received from a base station responsive to the base station detecting, according to a threshold, the pattern of recurrence over time of the signal interference. ### Claim 2 (depends on 1) The method of claim 1, wherein the pattern of recurrence over time of the signal interference is detected based on a correlation of interference data, and wherein the correlation of the interference data results from the base station correlating the interference data. ### Claim 3 (depends on 2) The method of claim 2, wherein the wireless communication device communicates with the base station via a wireless communication system, and wherein the interference data is obtained from a plurality of base stations of the wireless communication system. ### Claim 4 (depends on 3) The method of claim 3, wherein the correlating the interference data results in correlated data, and further comprising: identifying, by the wireless communication device based on the correlated data, an interferer detected by the plurality of base stations; and determining, by the wireless communication device from locations of the base stations, a location of an interference source associated with the interferer. ### Claim 5 (depends on 1) The method of claim 1, further comprising: obtaining, by the wireless communication device, identification data for an interferer associated with the signal interference; accessing, by the wireless communication device, a group of profiles corresponding to a plurality of interferers, wherein each profile describes characteristics of each of the plurality of interferers; and selecting, by the wireless communication device, a target profile from the group of profiles based on the identification data, wherein the pattern of recurrence over time of the signal interference is detected based at least in part on the target profile. ### Claim 6 (depends on 5) The method of claim 5, further comprising predicting, by the wireless communication device, a recurrence of interference by the interferer. ### Claim 7 (depends on 1) The method of claim 1, wherein the one or more first mitigation steps include transmitting signals out of phase from the signal interference, adjusting at least one of transmit power or phase at the wireless communication device, increasing power in a resource block of a long term evolution communication session, or a combination thereof. ### Claim 8 (depends on 1) The method of claim 1, wherein responsive to the detecting of the pattern of recurrence over time of the signal interference, one or more second mitigation steps are performed at the base station to mitigate the signal interference, without performing filtering of the signal interference. ### Claim 9 (depends on 8) The method of claim 8, wherein the one or more second mitigation steps include performing beam steering at the base station. ### Claim 10 (depends on 8) The method of claim 8, wherein the one or more second mitigation steps include changing time parameters for a resource block of a long term evolution communication session of the wireless communication device without changing to a new resource block. ### Claim 11 A communication device comprising: a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations comprising: experiencing a pattern of recurrence over time of a signal interference; and performing one or more first mitigation steps in accordance with instructions received from a base station, responsive to the base station detecting, according to a threshold, the pattern of recurrence over time of the signal interference. ### Claim 12 (depends on 11) The communication device of claim 11, wherein the operations further comprise: obtaining identification data for an interferer associated with the signal interference; accessing a group of profiles corresponding to a plurality of interferers, wherein each profile describes characteristics of each of the plurality of interferers; and selecting a target profile from the group of profiles based on the identification data, wherein the pattern of recurrence over time of the signal interference is detected based at least in part on the target profile. ### Claim 13 (depends on 12) The communication device of claim 12, wherein the operations further comprise predicting a recurrence of interference by the interferer. ### Claim 14 (depends on 11) The communication device of claim 11, wherein the one or more first mitigation steps include transmitting signals out of phase from the signal interference, adjusting at least one of transmit power or phase at the communication device, increasing power in a resource block of a long term evolution communication session, or a combination thereof. ### Claim 15 (depends on 11) The communication device of claim 11, wherein responsive to the detecting of the pattern of recurrence over time of the signal interference, one or more second mitigation steps are performed at the base station to mitigate the signal interference, without performing filtering of the signal interference. ### Claim 16 (depends on 15) The communication device of claim 15, wherein the one or more second mitigation steps include changing time parameters for a resource block of a long term evolution communication session of the communication device without changing to a new resource block, performing beam steering at the base station, or a combination thereof. ### Claim 17 A non-transitory machine-readable medium comprising executable instructions that, when executed by a processing system of a communication device, facilitate performance of operations comprising: experiencing a pattern of recurrence over time of a signal interference; and performing one or more first mitigation steps in accordance with instructions received from a base station communicating with the communication device via a network, responsive to the base station detecting, according to a threshold, the pattern of recurrence over time of the signal interference. ### Claim 18 (depends on 17) The non-transitory machine-readable medium of claim 17, wherein the operations further comprise: obtaining identification data for an interferer associated with the signal interference; accessing a group of profiles corresponding to a plurality of interferers, wherein each profile describes characteristics of each of the plurality of interferers; and selecting a target profile from the group of profiles based on the identification data, wherein the pattern of recurrence over time of the signal interference is detected based at least in part on the target profile. ### Claim 19 (depends on 17) The non-transitory machine-readable medium of claim 17, wherein the one or more first mitigation steps include transmitting signals out of phase from the signal interference, adjusting at least one of transmit power or phase at the communication device, increasing power in a resource block of a long term evolution communication session, or a combination thereof. ### Claim 20 (depends on 17) The non-transitory machine-readable medium of claim 17, wherein responsive to the detecting of the pattern of recurrence over time of the signal interference, one or more second mitigation steps are performed at the base station to mitigate the signal interference without performing filtering of the signal interference, the one or more second mitigation steps including changing time parameters for a resource block of a long term evolution communication session of the communication device without changing to a new resource block, performing beam steering at the base station, or a combination thereof.