ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,471,142, issued on Nov. 11, was assigned to ZTE Corp. (Shenzhen, China).
"Data sending method and device and data receiving method and device" was invented by Liuming Lu (Shenzhen, China) and Liquan Yuan (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a data sending method and device and a data receiving method and device. The data sending method includes: sending a notice-to-send message to a second station (STA), where the notice-to-send message is configured to instruct a first STA to prepare to send a data unit to the second STA in a first transmission opportunity (TXOP) obtained in advance, and the second STA belongs to...