![]() Furthermore, to facilitate the efficient operation of the unified network, a remote fast Fourier transform (R-FFT) node was presented. Besides, viable ways to leverage both access schemes in order to achieve a hybrid fiber-wireless network were discussed.įurthermore, in, a unified cable and wireless cellular access network was proposed by employing the infrastructure of hybrid fiber-coax (HFC) cable network as the fiber fronthaul network for the cellular wireless services. A review of the key attributes of the evolving passive optical network (PON) and the fourth-generation (4G) mobile broadband technologies were presented in. Therefore, a wide variety of optical transport schemes that can support 5G FWA use cases was considered in. Note that, for ubiquitous and flexible connections, there should be a seamless convergence of wireless and high-speed fiber networks. Moreover, how future wireless technologies can support broadband wireless access services was considered. In, wireless systems were classified, and the state of wireless access was discussed. Consequently, wireless systems have to be well-classified for effective application and performance. The resulting wireless technologies have different capacities, and the appropriate application of each technology depends on a specific deployment scenario. The increasing demand for broadband services has instigated an unprecedented deployment in different wireless technologies. We also present and discuss cost-effective architectural variants that offer relatively simplified distributed unit (DU) designs with a low footprint. Moreover, the architecture can offer on-demand resources provisioning with optimal utilization based on context-aware service delivery using network slicing. This will enable dynamic split options with efficient load management and real-time performance optimization. The concepts of virtualized RANs (vRANs) with programmable transport network (PTN) for attending flexibly to the dynamic nature of different use cases by exploiting an open PTN interface (PTNI) that supports multi-vendor interoperability and protocol stack (PS) adaptation are also presented. This helps in understanding the RAN functional split implementations and implications on 5G FWA transport network solutions. Moreover, we look at different 3GPP RAN functional split architectures that can be adopted by the 5G FWA to relax the stringent transport network requirements regarding the system cost, complexity, latency, and bandwidth demand. Moreover, a number of transport network solutions that can be utilized for FWA deployment and their associated requirements for different use cases are considered. Furthermore, we offer possible solutions for realizing an efficient and scalable 5G FWA. In this tutorial, we present a comprehensive overview of enabling technologies, requirements, prospects, and challenges of broadband solutions. Nevertheless, the 5G network requirements will impose a number of limitations on the transport network. For that reason, 5G FWA is anticipated to be a promising scheme for an enhanced broadband experience. In essence, mobile network operators (MNOs) and mobile virtual network operators (MVNOs) are expected to exploit the 5G technological enhancements in delivering well-improved broadband services. The concepts of virtualized RANs for attending flexibly to the dynamic nature of different use cases are also presented. Moreover, we give an insight into the 3GPP RAN functional split implementations and implications on the 5G FWA transport network solutions. In this regard, we offer an in-depth discussion on their related requirements for different use cases. Besides, we review various transport network options that can be employed for FWA deployment. Furthermore, the related technical challenges of FWA are reviewed, and we proffer potential solutions to address them. This paper presents a comprehensive tutorial on the enabling technologies, design considerations, requirements, and prospects of broadband schemes. However, their implementation will present different challenges on the transport network due to the incessant increase in the number of required cell-sites and the subsequent increase in the per-site requirements. With the fifth-generation (5G) and beyond mobile networks, the FWA performance can be enhanced significantly. Fixed wireless access (FWA) is an attractive wireless solution for delivering multimedia services to different homes. There has been a growing interconnection across the world owing to various multimedia applications and services.
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