Xianfu Lei

Title: Xianfu Lei: Innovator in Physical Layer Protocol Data Units

Introduction

Xianfu Lei, a prominent inventor based in Chengdu, China, has made significant contributions to the field of telecommunications, particularly in the development of physical layer protocol data units. With a portfolio of 5 patents, his work focuses on enhancing communication efficiency and performance over broader channel bandwidths.

Latest Patents

Among Xianfu Lei's latest innovations are two notable patents that detail methods and apparatuses for transmitting physical layer protocol data units. The first patent describes a method for designing a short training field sequence aimed at achieving a smaller peak-to-average power ratio (PAPR) while enhancing performance for larger channel bandwidths. The method involves generating a physical layer protocol data unit (PPDU) that complies with the 802.11be standard, including a short training field with a quantity of subcarriers greater than 2048, and transmitting it on a target channel with a bandwidth of at least 160 MHz.

The second patent focuses on a long training field sequence for larger channel bandwidths. It involves generating a PPDU with a long training field, where the length of the frequency domain sequence exceeds a specified first length. The PPDU is then sent over a channel with a bandwidth greater than 160 MHz, improving data transmission efficacy.

Career Highlights

Xianfu Lei has had an illustrious career, contributing to leading companies and educational institutions. He has worked at Huawei Technologies Co., Limited, a major player in global telecommunications, and has also affiliated with Southwest Jiaotong University, a reputable research institution in China. His work has notably impacted the advancement of communication technologies.

Collaborations

Throughout his career, Lei has collaborated with talented peers, including Xiaohu Tang and Min Yan, contributing to research and development efforts that bridge practical applications with innovative technologies. These collaborations have fostered advancements in wireless communication and protocol design.

Conclusion

Xianfu Lei's innovative approach to developing physical layer protocol data units marks him as a significant figure in modern telecommunications. His patents showcase his commitment to solving complex problems in data transmission, paving the way for improved communication systems. With a focus on efficiency and performance, Lei continues to influence the sector and inspire future innovations.