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Conference Papers (Available on Advance Programs) (Sort by: Date Descending)

Committee	Date Time	Place		Paper Title / Authors	Abstract	Paper #
WBS, IT, ISEC	2009-03-10 13:50	Hokkaido	Hakodate Mirai Univ.	Investigation on an effect of Single/Double Optical Hard Limiter in the optical CDMA systems -- Effect of quantum noises on OHL -- Chinatsu Ito (Polytechnic Univ.), Noboru Ochiai (Ibarki Pref. Academy of Industrial Tech.), Takeshi Nagao (Sansou System), Tomoko K. Matsushima, Yasuaki Teramachi (Polytechnic Univ.) IT2008-123 ISEC2008-181 WBS2008-136	Degradation of bit error rate by multi user interferences(MUI) was considered asa big problem for direct modulation opti... [more]	IT2008-123 ISEC2008-181 WBS2008-136 pp.519-526
ISEC, IT, WBS	2008-02-29 10:45	Tokyo		Investigation on Suitable Code Parameters for Wavelength-Hopping Time-Spreading Optical CDMA Systems Using Generalized MPSCs and Optical Orthogonal Codes Tomoko K. Matsushima (Polytechnic Univ.), Noboru Ochiai (Ibaraki Pref. Academy of Industrial Tech.), Takeshi Nagao (Sansou Systems), Yasuaki Teramachi (Polytechnic Univ.) IT2007-64 ISEC2007-161 WBS2007-95	There are only two free parameters such as length and weight of time-spreading codes to compose codes for two dimensiona... [more]	IT2007-64 ISEC2007-161 WBS2007-95 pp.101-108
WBS	2007-10-15 14:20	Hiroshima		Wavelength-Hopping/Time-Spreading Optical CDMA Systems based on Optical Orthogonal Codes and Modified Prime Sequence Codes Tomoko K. Matsushima (Polytechnic Univ.), Noboru Ochiai (IAIT), Yasuaki Teramachi (Polytechnic Univ.) WBS2007-34	Many two-dimensional (2-D) wavelength-hopping time-spreading codes have been reported to improve the performance of opti... [more]	WBS2007-34 pp.11-16
WBS	2005-10-28 10:30	Shizuoka	Shizuoka University (Hamamatsu Campus)	On the Construction of Codes over GF(pm) for Synchronous Optical CDMA Systems Tomoko K. Matsushima (Polytechnic Univ.), Noboru Ochiai (CSE), Takeshi Nagao (Sansou Systems), Yasuaki Teramachi (Polytechnic Univ.)	In this paper, a new class of signature codes for synchronous optical CDMA systems is proposed. The proposed codes are c... [more]	WBS2005-39 pp.1-6
IT, WBS, ISEC	2005-03-17 16:35	Kyoto	Kyoto Univ.	A study on M-ary EWO-MPSC optical CDMA systems with avalanche photodiodes Satoshi Kushibiki, Takeshi Nagao (Polytechnic Univ.), Noboru Ochiai (CSE), Tomoko K. Matsushima, Yasuaki Teramachi (Polytechnic Univ.)	This paper evaluates a symbol error rate performance of optical CDMA systems with an $M$-ary equal-weight orthogonal (EW... [more]	IT2004-68 ISEC2004-124 WBS2004-183 pp.107-112
IT, WBS, ISEC	2005-03-17 17:00	Kyoto	Kyoto Univ.	Performance analysis of EWO-MPSC Synchronous Optical CDMA Systems in Consideration with APD Noise and Thermal Noise Takeshi Nagao (P.T.U.), Noboru Ochiai (C.S.E.), Osamu Kushibiki, Tomoko K. Matsushima, Yasuaki Teramachi (P.T.U.)	An Equal Weight Orthogonal(EWO) signaling that are one of the signaling systems of optical Code Division Multiple Access... [more]	IT2004-69 ISEC2004-125 WBS2004-184 pp.113-117

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