*Yuto Sano¹, Kiyohiko Toyama¹, Shukichi Tanaka¹, Midori Yamashiro¹, Takuma Ozawa² (1. NEC Corporation Research & Development Division, 2. NEC Platforms, Ltd. Product DevelopmentOperations Unit Technology Division 4th Productdesign Engineering Group)

Noboru Nakayama¹, *Naohiro Shimakura¹ (1. Shinshu Univ.)

*Noboru NAKAYAMA¹, Naohiro Shimakura¹, Toru Yamaguchi¹ (1. Shinshu university)

*Yui Sugiura¹, Sathish Kumar Sukumaran¹, Masataka Sugimoto¹ (1. Yamagata Univ.)