8. Conclusion

The 5G based system is a promising solution for attending to the growing concerns about the traffic pressure on the network. Also, the envisaged massive number of deployment scenarios and use cases to be supported brings about highbandwidth and low-latency requirements for the 5G networks. The small-cell-based C-RAN approach can efficiently attend to the associated ultradense deployment. However, the C-RAN-based approach imposes stringent requirements regarding jitter, bandwidth, and latency for the mobile transport networks. In this book chapter, we have presented wired and wireless transport solutions that are capable of addressing the C-RAN-based stringent requirements and, consequently, the 5G mobile transport network demands. Furthermore, owing to its significant and inherent advantages for the 5G and beyond networks, we have focused on the NG-PON2 system. We have exploited the salient advantages and the low footprint platform offered by the PICs in the NG-PON2 system design and implementation. Based on these technologies, the proposed architectures are capable of alleviating the associated losses in the system while also helping in increasing the system power budget. In addition, employment of the proposed architectures can help the device makers, service/network providers, and infrastructure and chip vendors, in lowering the footprint of network elements.
