Wataru Yamada

Title: Wataru Yamada: Innovator in Wireless Communication Technology

Introduction

Wataru Yamada is a prominent inventor based in Musashino, Japan. He has made significant contributions to the field of wireless communication technology, holding two patents that showcase his innovative approach to solving complex problems in this domain.

Latest Patents

Yamada's latest patents include a "Propagation Characteristic Estimation Device, Propagation Characteristic Estimation Method, and Propagation Characteristic Estimation Program." This invention features an extraction unit that gathers position information from external sources regarding transmitting and receiving stations, as well as the frequency of radio waves. A calculation unit then determines the three-dimensional distance between these stations and calculates the free space loss of the radio waves. Additionally, a processing unit utilizes a two-dimensional image to extract edges of structures that reflect radio waves. The generation unit creates input data for machine learning, while the learning unit estimates the propagation characteristics of radio waves based on this data.

Another notable patent is the "Congestion Degree Estimation Method Using Propagation Loss of Wireless Communication, Estimation Device, and Estimation Program." This invention involves several processing steps, including received power acquisition, propagation loss calculation, and median processing to determine the median of multiple propagation losses. It also includes loss peak acquisition, distance calculation, and congestion degree calculation to estimate the number of blocking entities affecting communication.

Career Highlights

Wataru Yamada is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to develop innovative solutions in wireless communication. His work has significantly advanced the understanding and management of radio wave propagation and congestion in communication networks.

Collaborations

Yamada collaborates with esteemed colleagues, including Yasushi Takatori and Mitsuki Nakamura, who contribute to his research and development efforts in the field.

Conclusion

Wataru Yamada's contributions to wireless communication technology through his patents demonstrate his commitment to innovation and problem-solving. His work not only enhances the efficiency of communication systems but also paves the way for future advancements in the field.