US Patent No. 10,117,248

DYNAMIC FREQUENCY ALLOCATION TO MITIGATE TROPOSPHERIC DUCTING


Patent No. 10,117,248
Issue Date October 30, 2018
Title Dynamic Frequency Allocation To Mitigate Tropospheric Ducting
Inventorship Andrew Mark Wurtenberger, Olathe, KS (US)
Sreekar Marupaduga, Overland Park, KS (US)
Rajveen Narendran, Olathe, KS (US)
Ryan Patrick Dreiling, Shawnee, KS (US)
Assignee Sprint Communications Company L.P., Overland Park, KS (US)

Claim of US Patent No. 10,117,248

18. A system for mitigating interference caused by tropospheric ducting, the system comprising:a first base station with one or more first base station antennas;
a second base station with one or more second base station antennas, wherein the second base station is located at a pre-determined distance from the first base station; and
a server having one or more processors and one or more non-transitory computer storage media configured to:
receive one or more values of atmospheric conditions for at least a region located between the first base station and the second base station;
determine an interference probability based on the one or more values of atmospheric conditions;
determine an interference level for one or more signals transmitted from the first base station;
based on the interference probability and the interference level, determine whether to utilize a ducting mitigation mode, wherein the ducting mitigation mode comprises a state where at least a portion of the one or more first base station antennas are operating at one or more first base station frequencies and at least a portion of the one or more second base station antennas are operating at one or more second base station frequencies, wherein the one or more first base station frequencies and the one or more second base station frequencies are different;
upon determining to utilize the ducting mitigation mode, instruct the first base station to perform one or more adjustments for the portion of the one or more first base station antennas in accordance with the ducting mitigation mode; and
instruct the first base station to perform one or more readjustments to the portion of the one or more first base station antennas, wherein the one or more readjustments undo the one or more adjustments performed according to the ducting mitigation mode.