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Study on Spreading Codes with Negative Auto-Correlation for SIK Optical CDMA Communications
Akio Tsuneda (Kumamoto Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The SIK (sequence inversion keyed) CDMA (code division multiple access) system was proposed as one of optical CDMA communication systems with unipolar codes, where correlation properties of corresponding bipolar codes can be utilized. In this paper, we introduce spreading codes with negative auto-correlation suitable for asynchronous CDMA communications. The spreading codes are based on NFSRs (nonlinear feedback shift registers) and chaos theory. Bit error rate (BER) performances of asynchronous SIK optical CDMA systems using the proposed spreading codes are evaluated by computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) SIK optical CDMA / spreading code / negative auto-correlation / NFSR / BER / / /  
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Conference Information
Committee WBS  
Conference Date 2019-12-17 - 2019-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Kinsenkaku 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 1st Workshop on Optical Wireless Communication for Smart City (1st OWC2) 
Paper Information
Registration To WBS 
Conference Code 2019-12-WBS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Spreading Codes with Negative Auto-Correlation for SIK Optical CDMA Communications 
Sub Title (in English)  
Keyword(1) SIK optical CDMA  
Keyword(2) spreading code  
Keyword(3) negative auto-correlation  
Keyword(4) NFSR  
Keyword(5) BER  
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1st Author's Name Akio Tsuneda  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
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