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G-Fast Summit 2014
co-located with



Loutfi Nuaymi
Télécom Bretagne
  NFV Session
  09.00 ETSI Current Works on NFV Applied to RAN  
    Presenting the ETSI NFV Industry Standard Group's Architectural Framework. Discussing service provider requirements, use cases, and possible deployment scenarios for NFV in the RAN.

Bruno Chatras, Orange IMT, ETSI
  09.30 The virtual Base-station: When RAN meets NFV  
The Base-station is the most challenging, yet rewarding, appliance to be converted to the NFV world. For C-RAN to deliver on its great promise, it should enable the creation of new eco-systems and enable new entrants .ASOCS, as a Virtual Base-Station solution provider/enabler, enables traditional Telecom Equipment Vendors (TEM's) a fast and swift transition into this new world, while offering new entrants a green field approach to exciting market . ASOCS will be discussing the challenges and solutions required from the RAN value chain, as well as the implications on NFV definitions and directions.

Victor Koretsky, ASOCS
  Open Projects Session
  10.00 Mobile Cloud Networking FP7 European Project: Radio Access Network as a Service  
Mobile Cloud Networking FP7 European Project : Radio Access Network as a Service Discussing the novel notion of offering a radio access network as a service as proposed in the Mobile Cloud Networking FP7 European Project. RANaaS components may be instantiated on general purpose platforms with pooled resources (both radio and hardware ones) dimensioned on-demand, elastically and following the pay-per-use principle. A novel architecture is proposed that supports this concept.

Dominique Pichon, Orange Labs
  10.30 Newcom: Performance and Architecture in Full GPP Cloud RAN  
Presenting the software architecture, parallelism and SIMD techniques used to implement OpenAirInterface LTE soft-modem in the cloud setting to meet the realtime processing requirements. The soft-modem uses general-purpose x86 processors (GPP) to perform all the base-band processing and protocol stack operations and features vertical protocol instantiation in the shared memory context allowing tight cooperation among the base station instances.

Authors: Navid Nikaein, Raymond Knopp, Florian Kaltenberger, Mobile Communication Department, Eurecom

Navid Nikaein, Eurecom
  11.00 COFFEE BREAK  
  11.30 Physical Layer Implementation: Specialized HW, or General Purpose Processor (GPP)?

Loutfi Nuaymi
Télécom Bretagne

Dr Chih-Lin I, China Mobile Research Institute
Philippe Sehier,
Gilad Garon,
Navid Nikaein,
  12.30 LUNCH  
  Transport Session
  14.00 LTE-A, Hetnets and Cloud/centralized RAN Applications: New Requirements to the Backhaul Network
Main architectures currently adopted for LTE backhauling How those architecture need to adapt to face the introduction of RAN heterogeneous networks The main technical aspects to be considered for fronthauling to support CRAN applications Some possible scenarios where fronthaul and backhaul will coexist and the pros and cons of each of them

Paolo Volpato, Product Strategy Manager, Alcatel-Lucent
  14.30 EBlink Wireless Fronthaul Technology as a Key enabler for Cloud RAN
Presenting field-proven breakthrough technology with revolutionary spectral efficiency carrying 7Gbps CPRI over the air within a narrow bandwidth. Describing numerous use cases for network densification and coverage by means of remote radio heads (Micro or macro RRHs).

Walner Saint-Aubin, Pre-Sales & Product Marketing Manager, EBlink
  15.00 Jitter Impact on Radio Frequency Accuracy Budget in C-RAN Architecture
    A key element in Cloud Radio Access Network (C-RAN) is the fronthaul segment between the centralized Digital Unit (DU) or DU pool and the Radio Units (RU) on the antenna site. Two specifications exist for the transport of the digitized radio signals on fronthaul: Open Base Station Architecture Initiative (OBSAI) and the Common Public Radio Interface (CPRI). Lately, ETSI has introduced also the Open Radio Interface (ORI) based on CPRI. The fronthaul segment introduces some stakes and dimensioning requirements that include data-rate, latency, jitter and synchronization. Focusing on the last two points that are strictly interdependent.

Authors: T.A. Diallo, A. Pizzinat, P. Chanclou, F. Saliou, F. Deletre, C. Aupetit-Berthelemot, Orange Labs

Thierno Diallo, Orange Labs
  15.30 PGW with Preemptive Priority Resource Allocations for Public Safety Virtual Networks
    Describing an implementation at the PDN Gateway or at the PCRF level which resolves a classical "knapsack problem" to reallocate the non piority users on the cell of a new priority users. A more complicated integer programming problem is used if one of the policies used is to change the non prority users to a secondary PDP context witg less bandwidth. It is shown how a distibuted solution allows to offer the peermptive priority management for a large data network.

Arnaud Henry-Labordère, Halys