ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,138, issued on Sept. 9, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Guangdong, China).

"Mode switching method, terminal, and network-side device" was invented by Zhenhua Xie (Guangdong, China) and Yanxia Zhang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a mode switching method, a terminal, and a network-side device. The method may be applied to a target network-side device, and includes: reserving a multicast air interface resource in a case that multicast quality of service QoS information is received from a multicast broadcast network function MB NF, where the multicast air interface resourc...