US Patent Issued to VIAVI SOLUTIONS on Dec. 30 for "Detection of passive intermodulation distortion in open radio access network" (Maryland Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,920, issued on Dec. 30, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).

"Detection of passive intermodulation distortion in open radio access network" was invented by Wei Chen (Potomac, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A test device can be used with an Open Radio Access Network (O-RAN) fronthaul and to test an uplink communication channel for passive intermodulation distortion (PIM). The test device generates and transmits O-RAN compliant messages to request resource blocks (RBs) from an O-RAN radio unit (O-RU) installed at a cell site according to a delay time period. Based on the delay time period, the test device identif...