T. Kanesan, R. Mohamad, S. Mitani, H. M. Hizan, Wai Pang Ng, Zabih Ghassemlooy, P. Haigh, S. Rajbhandari, S. Le, G. Chang
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Solution to reduce nonlinearity in LTE RoF system for an efficient DAS topology: A brief review (Invited)
In this paper, a review on radio-over-fiber (RoF) technology is conducted to support the exploding growth of mobile broadband. An RoF system will provide a platform for distributed antenna system (DAS) as a fronthaul of long term evolution (LTE) technology. A higher splitting ratio from a macrocell is required to support large DAS topology, hence higher optical launch power (OLP) is the right approach. However, high OLP generates undesired nonlinearities, namely the stimulated Brillouin scattering (SBS). Three different aspects of solving the SBS process are covered in this paper, where the solutions ultimately provided an additional 4 dB link budget.
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