Small cell virtualization functional splits and use cases

Document number: SCF159

Tags: LTE Virtualization  
Focus: Architecture and Standards

This paper analyses different alternatives for functional decomposition between PNF and VNF, including splits corresponding to the classical layering (PDCP/RLC/MAC/PHY) within an LTE small cell, as well as “fractional splits”, for example “Split-MAC” and different ”Split-PHY” approaches. This update introduces the option of a split between the RRC and PDCP layers, offering the possibility to separate the control and data-planes. For this new split the key benefits, along with the resultant fronthaul requirements are analysed.

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Versions

Date Version Release
13-01-2016 SCF159.07.02 7