대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2006년도 제37회 하계학술대회 논문집 D
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- Pages.2013-2014
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- 2006
파장/시간의 2차원 코드를 사용한 광 부호 분할 다중 접속 부호기/복호기의 성능 분석
Performance Evaluations on Shared-Type Encoder/Decoder with Wavelength/Time 2-D Codes for Optical CDMA Networks
- Hwang, Hu-Mor (Dept. of Communication Engineering) ;
- Chang, Chul-Ho (Daejo Electric Inc.) ;
- Song, Jin-Ho (Sejong Engineering Co. Ltd.)
- 발행 : 2006.07.12
초록
For large capacity optical CDMA networks, we propose a shared-type encoder/decoder based on an tunable wavelength conveter (TWC) and an arrayed waveguide grating (AWG) router. Feasibility of the structure of the proposed encoder/decoder for dynamic code allocation is tested through simulations using three types of wavelength/time 2-D codes, which are the generalized multi-wavelength prime code(GMWPC), the generalized multi-wavelength Reed-Solomon code(GMWRSC) and the matrix code. Test results show that the proposed encoder/decoder can increase the channel efficiency not only by increasing the number of simultaneous users without any multiple-access interference but by using a relatively short length CDMA codes.
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