Theoretical analysis of BER performance of OCDMA system using compact matched filter bank for an optical ZCZ sequence set

The optical zero-correlation zone (ZCZ) sequence set is a set of pairs of binary and bi-phase sequences with a zero-correlation zone, and can provide optical code division multiple access (OCDMA) systems without cochannel interference. We have proposed the construction of a compact-type matched filt...

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Published in2017 20th International Symposium on Wireless Personal Multimedia Communications (WPMC) pp. 315 - 319
Main Authors Matsumoto, Takahiro, Torii, Hideyuki, Ida, Yuta, Matsufuji, Shinya
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2017
Subjects
Correlation
High-speed optical techniques
Nonlinear optics
Optical filters
Optical pulses
Optical receivers
Optical transmitters
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Summary:The optical zero-correlation zone (ZCZ) sequence set is a set of pairs of binary and bi-phase sequences with a zero-correlation zone, and can provide optical code division multiple access (OCDMA) systems without cochannel interference. We have proposed the construction of a compact-type matched filter bank for this sequence set. However, the OCDMA system using this filter bank might have reduced bit error rate (BER) performance because the input-output characteristics of this filter bank for this sequence set with the zero-correlation zone 4z - 2, z = 1, 2, ... are nonlinear. In this paper, we clarify that the BER performance of the OCDMA system using a compact-type matched filter bank is not influenced by the nonlinear characteristics of this filter bank, using the theoretical formula of BER characteristics and computer simulation.
ISSN:1882-5621
DOI:10.1109/WPMC.2017.8301830