ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,319, issued on Nov. 18, was assigned to Beijing Xiaomi Mobile Software Co. Ltd. (Beijing).

"Minimization of drive test method and apparatus, communication device and storage medium" was invented by Wei Hong (Beijing) and Ming Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a minimization of drive test (MDT) method and apparatus, a communication device, and a storage medium. The method is performed by a terminal having multiple SIM cards and includes: based on MDT configuration information of a first SIM card, determining an operation of a second SIM card within a time period for performing MDT by the fir...