Presentation	2013-07-09 Proposal of a GMPSC based PN code for optical CSK Yusuke TAKAMARU, Hiromasa HABUCHI,
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Abstract(in English)	Pseudo-noise(PN) codes used by code shift keying(CSK) for optical wireless communication with in-tensity-modulation and direct detection(IM/DD) are considered. Since CSK has the several PN codes, the datatransmission rate and the bit error rate(BER) performance can improve by increasing the number of PN codes. However, the conventional optical PN codes are not suitable for optical CSK with IM/DD because the ratio of thenumber of PN codes and the code length of PN code, M/L, is smaller than 1/√. In this paper, a new PN code, which combines the generalized modified prime sequence code(GMPSC) with Hadamard code, is proposed. Theproposed PN code can achieve M/L = 1. Moreover, the symbol error rate is analyzed under the additive white Gaussian noise channel. It is found that CSK with the proposed PN code outperforms the conventional optical CSK system.
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Keyword(in English)	CSK / GMPSC / Hadamard code / PN code / IM/DD / Optical wireless communication
Paper #	WBS2013-16
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Committee	WBS
Conference Date	2013/7/2(1days)
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Registration To	Wideband System(WBS)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Proposal of a GMPSC based PN code for optical CSK
Sub Title (in English)
Keyword(1)	CSK
Keyword(2)	GMPSC
Keyword(3)	Hadamard code
Keyword(4)	PN code
Keyword(5)	IM/DD
Keyword(6)	Optical wireless communication
1st Author's Name	Yusuke TAKAMARU
1st Author's Affiliation	Collage of Engineering, Ibaraki University()
2nd Author's Name	Hiromasa HABUCHI
2nd Author's Affiliation	Collage of Engineering, Ibaraki University
Date	2013-07-09
Paper #	WBS2013-16
Volume (vol)	vol.113
Number (no)	117
Page	pp.pp.-
#Pages	4
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