Patents by Inventor Beiyuan Liu

Beiyuan Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DIMMABLE DC-BIASED OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING
    Publication number: 20200162159
    Abstract: A computer implemented method, system, and device for direct-current biased optical frequency-division multiplexing (DCO-OFDM) modulation includes generating a DCO-OFDM signal with odd-indexed subcarriers carrying data, suppressing even-indexed subcarriers of the DCO-OFDM signal, and transmitting the DCO-OFDM signal via a light source.
    Type: Application
    Filed: June 1, 2018
    Publication date: May 21, 2020
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Dong Wei, Beiyuan Liu, Nan Wu, Zhengyuan Xu