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FIFTH GENERATION (5G)  MOBILE  NETWORKS  AND  BEYOND


Abstract

In order to escape suspicion about 5G and beyond technology, collaboration between experts in industry, academia as well as standard development organizations becomes an obligation. The goal is to identify challenges for technologies, paving the way for providing wireless communications with massive connectivity, tactile internet, quality of service and network slicing. In the meantime, the question often arises is what is beyond 5G? One activity will be expand to E2E software defined (SDN) / network function virtualization ( NFV). These frameworks have to be with distributed system software to enable all systems from management and control to user equipment. Other trends of beyond 5G systems will be end - user integration, security, spectral and energy co-efficiency, maintaining service quality, faults tolerance of any kind. On the other hand, software - based design is going to address trade-offs among flexibility, performance, cost, security, safety, manageability. Standard bodies are actively trying to satisfy the different requirements set by the current and future use cases and applications. Also, they are actively working within the scope of 5G and beyond. These bodies include but are not limited to the IEEE, the 3rd Generation Partnership Project (3GPP), the Internet Engineering Task Force (IETF), ITU Radio Communication Sector (ITU-R) and ITU Telecommunication Standardization Sector (ITU-T).


When going ahead, it  is anticipated to deal with the future that goes beyond 5G. As the technology is addressing to innovations, the vision of the road map is to be coherent with telecommunications industry and to unlock the economic benefits through numerous activities such as: strategies investment optimization for research and development enabling visibility into the future technology trends, efforts toward solutions to be maximized for the industry, etc. Non orthogonal multiple access

(NOMA) which has been recently proposed, enables bandwidth efficiency enhancements to be attained over orthogonal multiple access (OMA) technique. Further contribution in this field goes to potential of facilitating integration with the existing solutions.


The first part of this presentation deals with standardization efforts to develop communication standards for 5G and beyond.Next, the main advantages of the promising technologies compared to other techniques are highlighted. Finally, research activities and guideline for NOMA systems are offered.