Variable weight Khazani-Syed code using hybrid fixed-dynamic technique for optical code division multiple access system

Siti Barirah Ahmad Anas, Saleh Seyedzadeh, Makhfudzah Mokhtar, Ratna Kalos Zakiah Sahbudin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Future Internet consists of a wide spectrum of applications with different bit rates and quality of service (QoS) requirements. Prioritizing the services is essential to ensure that the delivery of information is at its best. Existing technologies have demonstrated how service differentiation techniques can be implemented in optical networks using data link and network layer operations. However, a physical layer approach can further improve system performance at a prescribed received signal quality by applying control at the bit level. This paper proposes a coding algorithm to support optical domain service differentiation using spectral amplitude coding techniques within an optical code division multiple access (OCDMA) scenario. A particular user or service has a varying weight applied to obtain the desired signal quality. The properties of the new code are compared with other OCDMA codes proposed for service differentiation. In addition, a mathematical model is developed for performance evaluation of the proposed code using two different detection techniques, namely direct decoding and complementary subtraction.

LanguageEnglish
Article number106101
Number of pages11
JournalOptical Engineering
Volume55
Issue number10
DOIs
Publication statusPublished - 4 Oct 2016

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code division multiple access
Code division multiple access
Network layers
Fiber optic networks
Decoding
Quality of service
Internet
Mathematical models
coding
data links
decoding
subtraction
mathematical models
delivery
requirements
evaluation

Keywords

  • networks
  • receivers
  • code division multiplexing
  • optical networks
  • photodetectors
  • OCDMA
  • variable weight code
  • optical domain prioritization
  • spectral amplitude coding

Cite this

Anas, Siti Barirah Ahmad ; Seyedzadeh, Saleh ; Mokhtar, Makhfudzah ; Sahbudin, Ratna Kalos Zakiah. / Variable weight Khazani-Syed code using hybrid fixed-dynamic technique for optical code division multiple access system. In: Optical Engineering. 2016 ; Vol. 55, No. 10.
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Variable weight Khazani-Syed code using hybrid fixed-dynamic technique for optical code division multiple access system. / Anas, Siti Barirah Ahmad; Seyedzadeh, Saleh; Mokhtar, Makhfudzah; Sahbudin, Ratna Kalos Zakiah.

In: Optical Engineering, Vol. 55, No. 10, 106101, 04.10.2016.

Research output: Contribution to journalArticle

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