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M.Tech / M.E / PhD Thesis | Electronics & Communication Engineering | India | Volume 4 Issue 4, April 2015
VLSI Implementation of an Optical OFDM Transmitter Using 180nm Technology
Arunlal.K.S | Saravanan.V
Abstract: Orthogonal Frequency Division Multiplexing (OFDM) is a modulation technique which is used in broadband wired and wireless communication systems because it has an effective solution to inter symbol interference and inter carrier interference. As per the latest survey, OFDM is also a promising solution for optical communication. An OFDM transmitter architecture is described in this paper and explained how it handles efficiently to achieve high speed, good performance in optical system. Even though it has been suitable for the optical system, OFDM does have drawbacks like low peak to average power ratio (PAPR) and high sensitivity to frequency and phase noise. A novel transmission technologies are intensively studied to exploit optical bandwidth more efficiently. High-speed optical transmission systems are impaired by inter channel and intra channel nonlinearities, chromatic dispersion, polarization mode dispersion and require precise dispersion compensation techniques. Narrower channel spacing is pursued to increase the transmission capacity and a novel modulation formats are investigated.
Keywords: VLSI - OFDM TRANSMITTER
Edition: Volume 4 Issue 4, April 2015,
Pages: 2257 - 2262
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