Ke-Kang Chin

Title: Ke-Kang Chin: Innovator in Bandwidth Reduction and Timing Error Estimation

Introduction

Ke-Kang Chin is a notable inventor based in Bartlett, IL (US). He has made significant contributions to the fields of telecommunications and data transmission. With a total of 2 patents, his work focuses on enhancing the efficiency of data communication systems.

Latest Patents

One of Ke-Kang Chin's latest patents is titled "Bandwidth reduction with beamforming and data compression." This patent describes techniques for limiting bandwidth requirements for user equipment (UE) data sent on a front haul link between a remote radio head (RRH) and a baseband unit (BBU). The invention involves selecting a subset of beams based on received energies, allowing for data transmission only from the selected beams. Multiple techniques are detailed for how the subset is selected, including averaged received beam energy and maximum received beam energy. Additionally, a special data compression technique is introduced to further reduce bandwidth by using received energies to select a minimum gain offset value.

Another significant patent is "Timing error estimate of UL synchronization." This patent presents a new method and apparatus for estimating timing offsets/errors, particularly beneficial for LTE UL receivers. The invention addresses challenges in multi-user multiple input multiple output (MU-MIMO) and coordinated multipoint (CoMP) applications, where conventional methods struggle due to strong interference. Two approaches are proposed to improve timing offset quality, including calculating offsets using phase differences for pilot pairs and creating modified pilot sequences to effectively remove interference.

Career Highlights

Ke-Kang Chin is currently employed at Nokia Solutions and Networks Oy, where he continues to innovate in the telecommunications sector. His work has been instrumental in developing advanced technologies that enhance data transmission and reception.

Collaborations

Throughout his career, Ke-Kang Chin has collaborated with notable colleagues, including Xiaoyong Yu and Shirish Nagaraj. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Ke-Kang Chin is a distinguished inventor whose work in bandwidth reduction and timing error estimation has made a significant impact in telecommunications. His innovative patents reflect his commitment to improving data communication technologies.