A Relative Constellation Error Calculation Model for Radio-over-Fiber of Worldwide Interoperability for Microwave Access

K. Chinen (Japan)




A Relative Constellation Error (RCE) calculation model was theoretically derived experimentally for the first time for Radio over Fiber (RoF) system of Worldwide Interoperability for Microwave Access (WiMAX). The RCE fluctuates when the system performance is influenced by Polarization Mode Dispersion (PMD) in the optical fiber. Therefore it is difficult to derive the calculation model to be used for the design of the received power and the RCE for RoF of WiMAX. When constructing the system with linear characteristic components and optimizing the modulation condition, it is possible to derive the received power and the RCE. With a full-components-configuration system of using vector signal generator (VSG), Distributed Feedback (DFB) laser, optical single mode fiber (SMF), optical PIN photodiode receiver, coaxial cables, transmitter parabolic antenna, receiver parabolic antenna, and vector signal analyzer (VSA), the derived theoretical RCE data coincided within 2dB with the experimental data.

Important Links:

Go Back