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Research Project 5G-XHaul (07/2015-06/2018)

Objective: To develop a converged optical and wireless network capable of flexibly connecting small cells to the core network

COSMOTE is participating in the European research project 5G-XHaul (, which proposes an innovative converged optical and wireless network solution (fronthaul/backhaul) capable of flexibly connecting small cells to the core network over optical and wireless access technologies (Sub-6, mm-Wave) and respective services via dynamic allocation of network resources. The technologies and infrastructure to be developed will be integrated in a wide-area testing platform in the city of Bristol (

Exploiting user mobility, 5G-XHaul will allow the dynamic allocation of network resources at predicted and actual hotspots. To support these novel concepts, the project will develop:

  1. Dynamically programmable, high capacity, low latency, point-to-multipoint mm-Wave transceivers, cooperating with Sub-6 GHz systems
  2. A Time Shared Optical Network (TSON) offering elastic and fine granular bandwidth allocation, cooperating with advanced Passive Optical Networks (PONs)
  3. A software-defined cognitive control plane, able to forecast traffic demand in time and space and reconfigure network components.
5G-XHaul - Dynamically Reconfigurable Optical-Wireless Backhaul/Fronthaul with Cognitive Control Plane for Small Cells and Cloud-RANs

As part of the project, COSMOTE is helping describe the use cases, identify user/system requirements, define  the system specifications, the overall system architecture and the overall evaluation. Additionally, the company will help disseminate and capitalize on the project's results, while also helping develop potential business models.

To project is co-funded by the EU through the Horizon 2020 Program, and is being implemented with the participation of 13 partners from 4 countries (Greece, Spain, Germany, the United Kingdom) and is expected to run for 36 months (7/2015-6/2018).

For more information see the project factsheet.