NeutRAN: An Open RAN Neutral Host Architecture for Zero-Touch RAN and Spectrum Sharing
Leonardo Bonati, Michele Polese, Salvatore D'Oro, Stefano Basagni,, Tommaso Melodia

TL;DR
NeutRAN is a zero-touch, virtualized RAN framework that enables rapid deployment and spectrum sharing among multiple tenants, significantly improving network throughput and reducing setup time.
Contribution
This paper introduces NeutRAN, a novel automated and virtualized neutral host architecture supporting zero-touch onboarding and spectrum sharing in RANs.
Findings
NeutRAN deploys in around 10 seconds.
It increases network throughput by up to 2.18x.
It achieves significant throughput gains with limited spectrum.
Abstract
Obtaining access to exclusive spectrum, cell sites, Radio Access Network (RAN) equipment, and edge infrastructure imposes major capital expenses to mobile network operators. A neutral host infrastructure, by which a third-party company provides RAN services to mobile operators through network virtualization and slicing techniques, is seen as a promising solution to decrease these costs. Currently, however, neutral host providers lack automated and virtualized pipelines for onboarding new tenants and to provide elastic and on-demand allocation of resources matching operators' requirements. To address this gap, this paper presents NeutRAN, a zero-touch framework based on the O-RAN architecture to support applications on neutral hosts and automatic operator onboarding. NeutRAN builds upon two key components: (i) an optimization engine to guarantee coverage and to meet quality of service…
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Taxonomy
TopicsSoftware-Defined Networks and 5G · Advanced MIMO Systems Optimization · IPv6, Mobility, Handover, Networks, Security
