Optical N-parallel codes-shift-keying using generalized modified prime sequence codes and Hadamard codes. - Yusuke Takamaru; Hiromasa Habuchi (ISPACS, 2013)

Design of PN codes for optical wireless code-shift-keying with IM/DD. - Yusuke Takamaru; Hiromasa Habuchi (IWSDA, 2013)

Theoretical Analysis of New PN Code on Optical Wireless Code-Shift-Keying. - Yusuke Takamaru; Sachin Rai; Hiromasa Habuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)