NDLI: OFFH-CDMA Merged M-Sequence/Hyperbolic Code for Two Weights One Length WDM System

Content Provider	IEEE Xplore Digital Library
Author	Moez, F. Monia, N. Houria, R.
Copyright Year	2008
Description	Author affiliation: SysCom Lab. Commun., Ecole Nat. d'Ing. de Tunis (ENIT)z, Tunis (Moez, F.; Monia, N.; Houria, R.)
Abstract	In this paper, we propose an extension of two dimensions (2D) code cardinality for slightly same performance (BER). The code is developed for optical code division multiple access (OCDMA) system, it is generated by: hyperbolic code for the Time Spreading and merged M-sequences for the Frequency-Hopping. In this work, we consider the Optical Fast Frequency Hopping technique OFFH-CDMA as an access technique. For the families codes we, apply the constraint of cross-correlation which is equal to one in order to decrease the Multiple Access Interference (MAI). The frequency spacing is selected according to WDM standardization. Optical delay lines and Fiber-Bragg gratings (FBG) are the main elements constituting the encoder/decoder utilized to generate/decode the code words. With the proposed code, we increase the cardinality of our system $toP(P-1)^{2}$ users instead of $P^{2}$ users in comparison with Prime code for the same transmission rate (the same code length). Furthermore, with two code weights, two qualities of services (QoS) are proposed and tested rather than one.
Starting Page	103
Ending Page	108
File Size	423483
Page Count	6
File Format	PDF
ISBN	9780769533711
DOI	10.1109/ICSNC.2008.65
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	Malta
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelength division multiplexing Multiple access interference Decoding Bit error rate Multiaccess communication Frequency conversion Optical frequency conversion Interference constraints Standardization Delay lines QoS OCDMA OFFH BER MAI FBG
Content Type	Text
Resource Type	Article

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OFFH-CDMA code for WDM network developed with Merged M-sequence/hyperbolic code

An optical fast-frequency hopping code division multiple access (OFFH-CDMA) system using Fiber Bragg Grating Array (FBGA) with frequency-overlapping multigroup of prime codes

Hybrid WDM/OCDMA system to support differentiated services in access network

Experiments on using Spatial Light Modulators to realize optical CDMA network coder/decoders

Equalization advantages of OFFH-CDMA over WDM in EDFAs

BER performance of WDM channels spectrally overlaid with ultrashort pulse CDMA signals in a hybrid optical WDM-CDMA system

Optical Code-Division Multiple-Access and Wavelength Division Multiplexing: Hybrid Scheme Review (1718)

Wdm and ocdma systems under mai effects: a comparison analysis.

BER and total throughput of asynchronous DS-OCDMA/WDM systems with multiple user interference

OFFH-CDMA Merged M-Sequence/Hyperbolic Code for Two Weights One Length WDM System

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