NDLI: Design of PN codes for optical wireless code-shift-keying with IM/DD

Content Provider	IEEE Xplore Digital Library
Author	Takamaru, Y. Habuchi, H.
Copyright Year	2013
Description	Author affiliation: Coll. of Eng., Ibaraki Univ., Hitachi, Japan (Takamaru, Y.; Habuchi, H.)
Abstract	A pseudo-noise (PN) code used by code shift keying (CSK) for optical wireless communication with intensity-modulation and direct detection (IM/DD) are considered. Since CSK has the several PN codes, the data transmission 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 the number of PN codes and the code length of PN code, M/L is smaller than 1/√L. In this paper, a new PN code, which combines the generalized modified prime sequence code (GMPSC) with Hadamard code is proposed. The proposed PN code can achieve M/L = 1. Moreover, the symbol error rate performance 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.
Starting Page	48
Ending Page	51
File Size	639422
Page Count	4
File Format	PDF
e-ISBN	9781467364812
DOI	10.1109/IWSDA.2013.6849059
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-27
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Error analysis Adaptive optics Correlators Error correction Error correction codes Data communication Optical pulses
Content Type	Text
Resource Type	Article

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