ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,943, issued on March 24, was assigned to ZTE Corp. (Shenzhen, China).

"Signal transmission method and apparatus, access node, processing unit, system and medium" was invented by Yihua Ma (Shenzhen, China), Yijian Chen (Shenzhen, China), Zhifeng Yuan (Shenzhen, China) and Guanghui Yu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a signal transmission method and apparatus, an access point, a processing unit, a system, and a medium. The signal transmission method includes, according to the channel estimation of a current AP, determining a multi-user uplink data signal and a first inter-user interference information matri...