ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,666, issued on Dec. 16, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Link status measurement method, apparatus, and system, and storage medium" was invented by Yi Feng (Dongguan, China), Ling Li (Athens, Greece) and Gang Zheng (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A link status measurement method includes: A first OLT sends first indication information to a first ONU through a first port. The first ONU is one of at least one ONU included in a PON, and the first indication information indicates a measurement window for measuring the first ONU. The first OLT obtains quality of a signal corresponding to th...