|Title:||Orthogonal frequency division multiplexing (OFDM) for optical communication|
|Advisors:||Lu, Chao (EIE)|
|Subject:||Orthogonal frequency division multiplexing.|
Hong Kong Polytechnic University -- Dissertations
|Department:||Faculty of Engineering|
|Pages:||xiii, 71 leaves : color illustrations ; 30 cm|
|Abstract:||Orthogonal frequency division multiplexing (OFDM)  is a modern technique using MCM  for multicarrier data transmission. It has been widely used in RF wireless communication systems. However, for optical fibre based OFDM, this technique has only attracted much attention in recent years. Although there are some similarities to its to its RF counterpart, the difference in transmission channel and transmitter implementation has offered the incentive to carry out further study in optical OFDM systems. Compare to single carrier modulation, OFDM shows many advantages in optical access network and Elastic Optical Networks (EON) due to its tolerance to dispersion and flexibility in bandwidth provisioning. Optical OFDM can be divided into two categories: Direct Detection Optical OFDM  and Coherent Detection Optical OFDM . Both of them have advantages and disadvantages. In short distance transmission systems, DDO-OFDM  can benefit from its low cost and simple implementation. However, in long distance transmission, CO-OFDM  can enable high order modulation, high transmission speed, flexible bandwidth implementation without modifying optical hardware. In this dissertation, theoretical study and simulation using VPI and MATLAB will be carried out to study the design of OFDM transmitters. Results obtained are described and analyzed.|
|Rights:||All rights reserved|
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