Keiji Takausaki

Title: Keiji Takausaki: Innovator in Radio Communication Technology

Introduction

Keiji Takausaki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of radio communication, holding a total of 5 patents. His work focuses on enhancing the accuracy of arrival direction estimation in communication systems.

Latest Patents

One of Takausaki's latest patents is a radio communication device and arrival direction estimation method. This invention involves a receiver equipped with an array antenna that estimates the arrival directions of multiple paths arriving with an angular spread. The technology ensures high accuracy in arrival direction estimation without increasing throughput, even when the power of each path is low. This is achieved by estimating an average arrival direction from a set of multiple paths using multiple correlation operation units. These units perform mutual correlation operations with pilot signals for baseband signals received by the array antenna. Additionally, a path detection unit generates a delay profile based on the output of each correlation operation unit to detect multiple arrival path receiving timings. A path correlation value synthesis unit synthesizes the correlation operation values calculated in the multiple correlation operation units, while an arrival direction estimation unit collectively estimates the multiple path arrival directions using the output from the path correlation value synthesis unit.

Career Highlights

Throughout his career, Takausaki has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to develop innovative solutions in the field of communication technology.

Collaborations

Takausaki has collaborated with several talented individuals, including Takaaki Kisigami and Yasuaki Yuda. These collaborations have contributed to the advancement of his research and inventions.

Conclusion

Keiji Takausaki is a distinguished inventor whose work in radio communication technology has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to enhancing communication systems.