Jianfei Liu

Title: Innovations of Jianfei Liu

Introduction

Jianfei Liu is a notable inventor based in Wuhan, China. He has made significant contributions to the field of communication technology, holding a total of 3 patents. His work focuses on improving the performance of communication systems through innovative methods and apparatus.

Latest Patents

One of Jianfei Liu's latest patents is an echo cancellation method and transceiver. This invention aims to reduce the dependence of a system on the effective number of bits (ENOB) of a digital-to-analog converter (DAC) while enhancing the performance of echo cancellation. The transceiver comprises an echo cancellation apparatus, a transmit link, a receive link, and a hybrid circuit. The transmit and receive links are connected to a transmission line via the hybrid circuit. The echo cancellation apparatus includes a first signal converter, a slicer, a first subtractor, a second digital-to-analog converter, a second subtractor, and a third subtractor.

Another significant patent is a narrowband interference isolation method and communication apparatus. This application outlines a method that involves determining a parameter of a narrowband interference signal and calculating a coefficient for a first filter based on this parameter. The first filter is situated at the receive end of a master communication device, and the coefficient is used to filter out the narrowband interference signal. The method also includes sending the parameter or coefficient to multiple slave communication devices using an Ethernet operation, administration, and maintenance (OAM) frame.

Career Highlights

Jianfei Liu has worked with prominent companies in the technology sector, including Huawei Technologies Co., Limited and Shenzhen Jingquanhua Electronics Co., Ltd. His experience in these organizations has contributed to his expertise in communication technologies and innovations.

Collaborations

Throughout his career, Jianfei Liu has collaborated with talented individuals such as Yanbo Zhao and Jinshan Wang. These collaborations have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Jianfei Liu's contributions to communication technology through his patents demonstrate his commitment to innovation and improvement in the field. His work continues to influence advancements in communication systems, showcasing the importance of inventive minds in technology.