Welcome to Yuminaka's room!

Japanese version is here .

Yasushi Yuminaka received the B. E., M. E., and D. E. degrees in electronic engineering from Tohoku University in 1990, 1992, and 1995, respectively. He is currently a lecturer in the Department of Electronic Engineering at Gunma University, Japan.

From 1993 to 1995, he was a Research Fellow of the Japan Society for the Promotion of Science. His research interests include design of new paradigm computing systems and their applications.

Dr. Yuminaka received the IEE Ambrose Fleming Premium Award in 1994, the Niwa Memorial Award in 1995, the Young Engineer Award from the IEICE of Japan in 1995, the Excellent Poster Award from System LSI Biwako Workshop in 1999, and the Young Excellent Author Award from Karuizawa Workshop in 2000.

He is a member of the IEEE and IEICE.

Verilog-XL manual .

Verilog-XL manual .

Wave-Parallel Computing

We investigate wave-parallel computing (WPC) architectures to address the interconnection problems in highly parallel integrated systems. The fundamental concept is frequency multiplexing of signals, which enables us to utilize the parallelism of electrical (or optical) waves for parallel processing. The key to success with WPC architectures lies in finding efficient implementation of multiwave selection function. This research proposes multiwave selection circuits using multi-carrier coherent detection of modulated waves. The proposed method has potential advantages of high degree of multiplexing and real-time-variable selectivity. Also, its applications to the densely connected WPC architecture for massively parallel processing is discussed with emphasis on the reduction in the number of interconnections.

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