Optical CDMA Network Codecs Structured With&amp;gt;tex&amp;lt;$M$&amp;gt;/tex&amp;lt;-Sequence Codes Over Waveguide-Grating Routers

Yang, Chao‐Chin; Huang, Jen-Fa; Tseng, Sung-Pin

doi:10.1109/lpt.2003.823089

Cited by 99 publications

(45 citation statements)

References 6 publications

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“…Thus, as in the basic DW code, the 1, 2, 1 chips blend is continued for every three columns [4,6]. This is significant to uphold λ=1.…”

Section: Edw Codementioning

confidence: 99%

Study of the OCDMA Transmission Characteristics Using Bidirectional Optical Fiber Link, Based on EDW Code

Aldouri¹,

Tjprc²

2018

IJCNWMC

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Discussion on free space optics as a link was done by numerous studies by using EDW code. In this paper, we discuss the bidirectional fiber as a connecting media channels. This unit was tested by using the Enhanced Double Weight (EDW) code, which is designated as an outstanding applicant because it had displayed very good performance wherein the total noise is decreased. It is also easy to build and can decrease the required filter numbers at receiver by anew proposed

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“…Thus, as in the basic DW code, the 1, 2, 1 chips blend is continued for every three columns [4,6]. This is significant to uphold λ=1.…”

Section: Edw Codementioning

confidence: 99%

Study of the OCDMA Transmission Characteristics Using Bidirectional Optical Fiber Link, Based on EDW Code

Aldouri¹,

Tjprc²

2018

IJCNWMC

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“…6,7 Only the codeword matrix S needs to be updated. The proposed transmitter encodes ESP codes in the electrical domain, the same as the literature, [8][9][10][11] and it has been shown that the EOM can transfer the electrical domain into the optical domain. 12 In Fig.…”

Section: -D Esp Codes With Tckmentioning

confidence: 99%

Universal optical line terminal encoding and decoding architecture in two-code keying for noncoherent spectral amplitude coding optical code division multiple access systems

2014

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Abstract. We propose a new code family, called extended shifted prime codes, and the universal encoding architecture for spectral amplitude coding optical code division multiple access systems using a two-code keying scheme. The proposed system can eliminate multiuser interference and suppress phase-induced intensity noise. In addition, we design the ESP codes to be an encoding/decoding architecture based on the array waveguide grating architecture and reduce the power loss and the complexity of the optical line terminal. The numerical results demonstrate that the proposed system with ESP codes outperforms the existing onedimensional shifted prime codes system. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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“…For the conversion from RZ to NRZ, we use a duplicator to make numerous copies of the input RZ pulses within one bit period before the RZ signal is injected into the wavelength converter [6]. This step can be achieved modulating the output of the laser using a MZM.…”

Section: Fig 1 [A] Nrz [ B] Rz) Data Signal Formatmentioning

confidence: 99%

Complementary Detection Technique to Performance Analysis of RZandNRZ on MDW Code in FTTH Network

Muthana.Y.aldouri¹,

Aljunid²,

Ahmad³

et al. 2011

IJCA

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Modified double weight (MDW) code is presented here to support Fiber-To-The-Home (FTTH) access network in point-to-point (P2P) and point-tomultipoint (P2MP) application. The Bit Error Rate (BER) performance is evaluated based on Modified Double Weight "MDW" code. Optical Code Division Multiple Access (OCDMA) system is considered a promising technique for Fiber-To-The-Home (FTTH) access networks. The performance of RZ against NRZ is compared through simulation by using opt system software version 7. We used two networks designed as follows, one used RZ pulse generator and the second used NRZ pulse generator, and both systems are tested with and without Erbium Doped Fiber Amplifier (EDFA). It is found that NRZ pulse generator in this system is better than RZ pulse generator for all simulation results. The conversion used a MachZehnder interferometer (MZI) wavelength converter. Also, we are proposing a detection scheme known as complementary subtraction detection technique implemented with fiber Bragg Grating (FBG) acts as encoder and decoder. The performances are characterized through BER and bit rate (BR), also, the received power at a variety of bit rate.

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Optical CDMA Network Codecs Structured With>tex<$M$>/tex<-Sequence Codes Over Waveguide-Grating Routers

Cited by 99 publications

References 6 publications

Study of the OCDMA Transmission Characteristics Using Bidirectional Optical Fiber Link, Based on EDW Code

Study of the OCDMA Transmission Characteristics Using Bidirectional Optical Fiber Link, Based on EDW Code

Universal optical line terminal encoding and decoding architecture in two-code keying for noncoherent spectral amplitude coding optical code division multiple access systems

Complementary Detection Technique to Performance Analysis of RZandNRZ on MDW Code in FTTH Network

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