Fifth-generation (5G) systems will introduce several new requirements impacting the mobile transport network. Understanding the impact of 5G systems on transport networks, both wireless and fixed, is essential to the successful introduction of 5G. This paper provides an overview of the ongoing work supporting the specification of open interfaces between the different 5G building blocks. It also presents several technologies that can facilitate effective transport networks, describes the architectural challenges in designing flexible 5G transport networks, and provides dimensioning guidelines.
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Sehier et al. (2019) studied this question.
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