Bidirectional Passive Optical Network Based on Optical CDMA Technique

被引：0

作者：

Eltaif, Tawfig ^{[1
]}

Alsaraj, Mohamed Ahmed ^{[1
]}

Alsowaidi, N. ^{[1
]}

Mokhtar, M. R. ^{[2
]}

机构：

[1] Multimedia Univ, Fac Engn & Technol, Bukit Beruang 75450, Melaka, Malaysia

[2] Multimedia Univ, Fac Engn, Cyberjaya 63100, Selangor, Malaysia

来源：

2014 IEEE 5TH INTERNATIONAL CONFERENCE ON PHOTONICS (ICP) | 2014年

关键词：

Optical code-division multiple access (OCDMA); passive optical network (PON); in-band bidirectional network; SYSTEM;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A 15 Km in-band bidirectional passive optical network based on optical code division multiple access (OCDMA) system was simulated, using direct detection method, which has been achieved by modulating the carrier wave with a modified quadratic congruence code sequence (MQC). This paper investigates the performance of in-band bidirectional OCDMA system in terms of data rate, channel spacing, transmit power and channel length, 9 subscribers were used for each direction. It has been found that the maximum data rate for in-band bidirectional system cannot exceed 0.15Gbps for small channel spacing at -22dBm receiver sensitivity. This is due to the big influence of Rayleigh Backscattering between the signals propagating in opposite directions which degrade the quality of the signals. The data rate can only be increased if the up/ downstream uses different bands.

引用

页码：72 / 74

页数：3

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