ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,489, issued on March 17, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Guangdong, China).

"Resource request method, allocation method, and acquisition method" was invented by Qian Zheng (Guangdong, China), Xiaodong Yang (Guangdong, China) and Wei Bao (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resource request method includes: sending a first buffer status report (BSR) to a network device, the first BSR being used for requesting a second resource from the network device, and the second resource being a resource used for data transmission from a relay user equipment to the network device."

The patent was filed on Feb. 3...