ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,204, issued on March 31, was assigned to ZTE Corp. (Shenzhen, China).

"Systems and methods for authorization of proximity based services" was invented by Yuze Liu (Shenzhen, China), Shilin You (Shenzhen, China), Jin Peng (Shenzhen, China), Zhen Xing (Shenzhen, China) and Zhaoji Lin (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Presented are systems and methods for authorization of proximity based services. A first wireless communication device may send, to a second wireless communication device, a message to access a network via the second wireless communication device as a relay node, using at least one authentication and key man...