ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,449, issued on March 24, was assigned to Elisa Oyj (Helsinki).
"Analyzing operation of communications network" was invented by Adriana Chis (Helsinki) and Petteri Lunden (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "Analysis of operation of a communications network. The analysis is performed by obtaining (301) time series of performance data of a cell of the communications network; selecting (302) a change point in the time series; determining (303) a first linear regression model before the selected change point and a second linear regression model after the selected change point; determining (304) offset difference between the first li...