ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,587, issued on Oct. 20, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Signal transmission method and apparatus" was invented by Jun Chen (Chengdu, China), Mao Yan (Chengdu, China), Yiling Wu (Beijing), Sunjie Wang (Chengdu, China), Yujian Tang (Chengdu, China) and Lang Wang (Chengdu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a signal transmission method and an apparatus, to reduce an envelope ripple of a transmission signal. The method includes: A base station obtains a first bit sequence and maps the first bit sequence to a first modulation symbol sequence, where a value of each modulation sy...