US Patent Issued to Huawei Technologies on March 17 for "Method and apparatus applied to PON system, system, and storage medium" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,646, issued on March 17, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Method and apparatus applied to PON system, system, and storage medium" was invented by Wei Wang (Dongguan, China), Feng Xia (Shenzhen, China) and Gang Zheng (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with an embodiment, a method includes determining, by a standby optical line terminal (OLT), that a primary OLT has stopped sending a downlink optical signal over a first management channel; sending, by the standby OLT, a ranging request to a first optical network unit (ONU), over a second management channel, where the first ONU...