ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,283, issued on Dec. 16, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Communication method, apparatus, and system" was invented by Ning Ma (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application provide a communication method, apparatus, and system. In the method, after a first remote radio unit (RRU) determines that a link between the first RRU and a baseband unit (BBU) is in an abnormal state, the first RRU sends information about the first RRU and/or information about an optical module connected to the first RRU to at least one second RRU by using a power line communication (PLC) module in the ...