Performance of WDM-OFDM for Using Unequalized Optical Frequency Comb

Optical Frequency Comb Generation (OFCG) technique using a Mach Zehnder modulator (MZM) allows to diminish cost of an optical access network based on Wavelength Division Multiplexing (WDM), because it just needs a single source for generating several optical carriers. However, the unequalized comb p...

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Vydané v:Revista IEEE América Latina Ročník 13; číslo 8; s. 2551 - 2558
Hlavní autori: Villarreal, Gabriel, Cardenas, Ana M., Botia, Javier
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Los Alamitos IEEE 01.08.2015
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:
Algorithms
Bandwidths
Bit loading
Carriers
Channels
Computer networks
DD OOFDM
Fiber optic networks
Irrigation
Loading
Networks
OFDM
Optical frequency
Optical Frequency Comb Generation
Optical harmonic generation
Orthogonal Frequency Division Multiplexing
Radio frequency
Unequalized optical comb
Wave division multiplexing
Wavelength division multiplexing
ISSN:1548-0992, 1548-0992
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Abstract Optical Frequency Comb Generation (OFCG) technique using a Mach Zehnder modulator (MZM) allows to diminish cost of an optical access network based on Wavelength Division Multiplexing (WDM), because it just needs a single source for generating several optical carriers. However, the unequalized comb power is a limitation for the performance of the network. In order to maintain its simplicity and low cost, we propose to combine WDM with Orthogonal Frequency Division Multiplexing (OFDM). This solution allows changing the number of bits per carrier, being adaptive to several link impairments. An algorithm based on bit‒loading strategies maximizes the transmission rate and mitigates the effects of the unequalized channels on a WDM network. The simulation results show the efficiency of the adaptive algorithm to increase the channel capacity up to 35 Gbps over 5 unequalized WDM channels.
AbstractList Optical Frequency Comb Generation (OFCG) technique using a Mach Zehnder modulator (MZM) allows to diminish cost of an optical access network based on Wavelength Division Multiplexing (WDM), because it just needs a single source for generating several optical carriers. However, the unequalized comb power is a limitation for the performance of the network. In order to maintain its simplicity and low cost, we propose to combine WDM with Orthogonal Frequency Division Multiplexing (OFDM). This solution allows changing the number of bits per carrier, being adaptive to several link impairments. An algorithm based on bit-loading strategies maximizes the transmission rate and mitigates the effects of the unequalized channels on a WDM network. The simulation results show the efficiency of the adaptive algorithm to increase the channel capacity up to 35 Gbps over 5 unequalized WDM channels.
Author Cardenas, Ana M.
Botia, Javier
Villarreal, Gabriel
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  givenname: Javier
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  organization: Univ. de Antioquia, Medellin, Colombia
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SubjectTerms Algorithms
Bandwidths
Bit loading
Carriers
Channels
Computer networks
DD OOFDM
Fiber optic networks
Irrigation
Loading
Networks
OFDM
Optical frequency
Optical Frequency Comb Generation
Optical harmonic generation
Orthogonal Frequency Division Multiplexing
Radio frequency
Unequalized optical comb
Wave division multiplexing
Wavelength division multiplexing
Title Performance of WDM-OFDM for Using Unequalized Optical Frequency Comb
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