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IEICE TRANSACTIONS on Fundamentals

Optical Wireless N-CSK with Modified Pseudo Orthogonal M-Sequence Sets

Yusuke KOZAWA, Hiromasa HABUCHI

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Summary :

In this paper, N-CSK (N parallel Codes Shift Keying) using modified pseudo orthogonal M-sequence sets (MPOMSs) to realize the parallel combinatory spread spectrum (PC/SS) communication system for the optical communications is proposed. Moreover, the upper bound of data transmission rate and the bit error rate (BER) performance of this N-CSK system using the chip-level detection are evaluated through theoretical analysis by taking into account the scintillation, background-noise, avalanche photo-diode (APD) noise, thermal noise, and signal dependence noise. It is shown that the upper bound of data transmission rate of the proposed system is better than those of OOK/CDM and SIK/CDM. Moreover, the upper bound of data transmission rate of the proposed system can achieve about 1.5 [bit/chip] when the code length of MPOMS is 64 [chip].

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E94-A No.11 pp.2188-2193
Publication Date
2011/11/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E94.A.2188
Type of Manuscript
Special Section PAPER (Special Section on Information Theory and Its Applications)
Category
Spread Spectrum Technologies and Applications

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