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Performance Analysis and Link Design of Long Haul Coherent Optical OFDM Systems
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
2011 (English)Independent thesis Advanced level (degree of Master (One Year)), 15 credits / 22,5 HE creditsStudent thesis
Abstract [en]

Orthogonal Frequency Division Multiplexing (OFDM) is a suitable solution due to its many advantages known in wireless communications. On the other hand, optical communications is also used as a backbone to transmit and receive large data rates with economical and good performance. Recently, fiber optical communication and OFDM method are combined to obtain both advantages in a communication link. Coherent optical OFDM (CO-OFDM) has recently been proposed against the chromatic dispersion effect in electrical domain. According to the ITU-T standards there are 111 channels (C and L bands) can be used (191.4 to 185.9 THz) at 50 GHz spacing. Thanks to Wavelength Division Multiplexing, even we use only one RF carrier, we can reach 1.7 Tb/s (111*16 Gb/s) using only one optical cable and utilizing C and L bands. In this research, CO-OFDM technique is modeled and simulated by designing a Monte Carlo simulation. In this simulation, dispersion, data rate, SNR-BER and BER-Distance variations are calculated and results are given in graphical forms. These graphics show the performance of the CO-OFDM system in 5, 8 and 16 Gb/s at different distances for one RF carrier and one optical carrier. It is also shown that how to get 64 Gb/s data rate using the same structure with one optical carrier.

Place, publisher, year, edition, pages
2011. , 33 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hh:diva-15209Local ID: IDE1109OAI: oai:DiVA.org:hh-15209DiVA: diva2:420106
Subject / course
Electrical Engineering
Presentation
2011-03-21, E203, Halmstad University, Halmstad, 13:15 (English)
Uppsok
Technology
Supervisors
Examiners
Available from: 2011-06-07 Created: 2011-05-31 Last updated: 2011-06-07Bibliographically approved

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IDE1109(863 kB)719 downloads
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