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This paper is tackling the issue that stem from the coexistence of diverse technologies, such as emerging OFDMA-PON and WiMAX/LTE, within the same infrastructure. It outlines the key requirements that need to be fulfilled for the backhauling links supporting next generation wireless standards. These links should provide long reach as well as low-cost remote radio base stations coupled with centralised processing. To that extent, the industrial standard simulation platforms were used to evaluate the key network features from the PHY perspective gained by the convergence. The network modelling results confirm the transmission of 16 CPRI signals up to 100 km OFDMA-PON infrastructures achieving 40 Gbit/s total aggregate data rates.