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.
| Identifer | oai:union.ndltd.org:UPSALLA1/oai:DiVA.org:hh-15209 |
| Date | January 2011 |
| Creators | Yazgan, Ayhan |
| Publisher | Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE) |
| Source Sets | DiVA Archive at Upsalla University |
| Language | English |
| Detected Language | English |
| Type | Student thesis, info:eu-repo/semantics/bachelorThesis, text |
| Format | application/pdf |
| Rights | info:eu-repo/semantics/openAccess |
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