09:00 - 09:10||Opening and Welcome
Peter Ashwood-Smith, Chairman, FG IMT-2020
Chaesub Lee, Director, ITU Telecommunication Standardization Bureau
|09:10 - 10:50||
Architecture, Fixed-mobile convergence, Network softwarization, Fronthaul/Backhaul|
Chaired by Namseok Ko, ETRI
Introduction to FG IMT-2020 architecture work
Namseok Ko, ETRI (10 min) -
Consideration of fixed-mobile convergence in 5G
Yachen Wang, China Mobile (15 min) -
This presentation will introduce IMT-2020 fixed mobile convergence (FMC) scenarios and requirements, such as service continuity among different access networks in a 5G environment. Based on the requirements, a FMC solution, Unified Network Integrating Cloud (UNIC), will also be introduced, including the high level architecture and some key technologies, such as unified access control for both fixed and mobile, edge computing for user plane, converged subscriber database, Telecom Integrated Cloud (TIC), etc.
Technologies for future mobile transport networks
Pham Tien Dat, NICT Japan (15 min) -
In this work, we present several technologies for future mobile transport networks using the seamless convergence of fiber and wireless access networks. We first present a flexible and efficient mobile fronthaul system for ultra-dense small cells using a convergence of fiber and millimeter-wave systems. We then present a simple and low cost optical system for simultaneous transmission of multiple heterogeneous wireless signals, such as multi-RATs, operators, mobile signals and fronthaul/backhaul signals, using subcarrier multiplexing intermediate frequency over fiber system and efficient data mapping and de-mapping algorithms. Finally, we present an efficient solution to provide high-speed communications to high-speed trains using a seamless convergence of wavelength-division multiplexing radio-over-fiber and linearly located linear cell systems.
James Huang, Huawei Technologies (15 min) -
This presentation/demo will show a novel switching technology based on Ethernet PCS layer and the PoC test results. This switching technology can support E2E hard pipe, with extremely low delay and no packet loss, and packet based statistical multiplexing. Switching running in different layers (such as PCS layer, MAC layer switching, IP/MPLS routing) in parallel in a single device or even in a single link, is possible. This can be used for both fronthaul and backhaul, and gives good support to network slicing. We called this X-Ethernet.
Service experience assured network
Ling Xu, Huawei Technologies (video demo, 15 min) -
This demo will show how the guaranteed performance (ultra-low latency, zero packet loss and bandwidth guarantee) for 5G critical services can be achieved with FlexE interface and innovative forwarding, queuing and scheduling technologies in a shared network infrastructure. This demo is related to network slicing and network softwarization.
RoE and CPRI
Bomin Li, Comcores (live demo, 30 min) -
This is a demo for both NGFI (Next Generation Fronthaul Interface) native RoE (Radio over Ethernet) with Intra PHY split implemented in it, and CPRI over Ethernet encapsulated in structure agnostic mode. Compared to CPRI, the NGFI native RoE implementation improves bandwidth usage greatly, which better supports 5G applications demanding for higher bandwidth. More information is
here. In the CPRI over Ethernet demonstration, bidirectional CPRI flows are recovered without error, which enables C-RAN (centralized radio access network) architecture by using Ethernet as a transport network.
|10:50 - 11:15||Coffee Break|
|11:15 - 13:00||
Architecture, Fixed-mobile convergence, Network softwarization, Fronthaul/Backhaul (II)|
Chaired by Akihiro Nakao (The University of Tokyo)
Introduction to FG IMT-2020 network softwarization work and demo of softwarized LTE in FLARE network slices
Akihiro Nakao, Ping Du, The University of Tokyo; Masayuki Kashima, Yoshihiro Nakahira, Oki Electric Industry Co., Ltd. (live demo, 25 min) -
The demo shows how to slice eNodeB (eNB) and Evolved Packet Core (EPC) on our FLARE node, highly programmable network node, as proof of concept of network softwarization and network slicing for IMT-2020. In our PoC demo, we softwarize both eNB and EPC using modified OpenAirInterface and implement LTE network in a slice on top of a FLARE node, where signaling related EPC entities (e.g., MME) and eNB is implemented in a control-plane while user data forwarding and processing (e.g., SGW and PGW) is implemented in a data plane. In the data plane, we divide EPC into function elements and parallelize packet processing across on-chip many core processors. FLARE enables rapid deployment of data plane network functions with Click network-programming framework. In the control plane, we run signaling-related EPC, eNB and HSS in Docker instances within the same FLARE slice. Each LTE network slice is Dockerized (implemented in Docker), i.e., in minimal resource environment. LTE network slice instances are isolated without interfering one another. We demonstrate play back of YouTube movies on a smart phone (Nexus 5) connected to an OAI slice on FLARE. Also see
End-to-end network slicing
Peter Ashwood-Smith, Huawei Technologies (video demo, 25 min) -
The demo will show the hardware which consist of 5G UE’s, 5G radios, a fronthaul network and C-RAN with high density switches and servers, a transport network of 3 DWDM switches and a DC network of servers and high density switches. The basic software arrangement will be shown with emphasis on the structure of the orchestration and SDN controllers and the choice of virtualization components and logical networking. An eMBB slice will be brought up which will entail programming of the radios, the fronthaul, backhaul, a node B and the core. Its behavior will be noted through the test UE’s. An URRLC slice will be brought up and its nodeB and core will be demonstrated through its test UE’s showing extremely low latency. An MMTC slice will be brought up and a large number of test IOT devices will be demonstrated via the test UE’s. The eMBB slice will be augmented by programming a slice selection function that will create a ICN slice and an application (TBD) will be shown running over that ICN core (but with the eMBB slice). Spectrum will be reassigned from slice to slice and the changes noted as an optimizer recomputes the proper allocation of resources and executes it. Traffic will be increased and the changes in the backhaul over transport and core function placements will be noted. An additional demonstration will show creation of multiple 4G air interfaces using the same infrastructure network but with 4G radios and 4G UE’s using OAI software and ETTUS SDRs. A Skype session will be created between the two 4G slices. We will also try to show some of the EPC functions being moved while the UE sessions are not impacted.
Toward RAN slicing in 5G
Navid Nikaein, Eurecom (live demo, 15 min) -
The demo will show how to slice the radio access network that consists of a fronthaul segment between the remote radio unit (RRU) and radio aggregation unit (RAU) and a backhaul segment between the RAU and the RAN controller. Through the separation of the RAN control and data plane coupled with the virtualized control functions and control delegation features, real-time control applications can be implemented in support of fine-grain RAN programmability. This allows different levels of coordination among RAN infrastructure elements by dynamic placement of virtual control functions following SDN and NFV principles for adapting control over time and for easing network evolution to the future. We will create two RAN slices based on the OpenAirInterface and Mosaic-5G platforms and try to demonstrate a video streaming on two smart phones connected to their respective slice and observe their perceived quality of experience.
5G Operating Platform: Infrastructure-agnostic orchestration
Antonio Manzalini, TIM; Fulvio Risso, Politecnico di Torino (live demo, 20 min) -
This demo will show an overarching orchestration software architecture that is based on a continuous advertisement of capabilities and resources from underlying infrastructure-layer domains, which allows the orchestration to adapt its service logic to exploit the most up-to-date capabilities. The feasibility will be shown to setup a complex NFV service across multiple domains, such as two OpenStack instances connected by an SDN network, where all the service functions (e.g. NAT, firewall, etc.) are launched in the datacenter and the intermediate SDN network is used only to connect all the different components together. However, when the SDN network advertises also the capability to host a given set of network applications (e.g. a NAT), the orchestrator will adapt its service logic and it will instantiate part of the service in the datacenter (e.g. as virtual machines), part in the SDN domain (e.g. as ONOS applications), hence enabling more aggressive optimization strategies in the overarching orchestrator.
5GCHAMPION: 28 GHz 5G proof-of-concepts at 2018 Winter Olympic Games
Taesang Choi, ETRI (video demo, 20 min) -
The 5GCHAMPION project leverages the concept of agile network design into a unique end-to-end system demonstration connecting two different implementation of 5G core and mmWave radio access technologies, respectively, developed in Europe and Korea. The great ambition of the project is to show how NFV/SDN and mmWave wireless backhaul enable low-latency and multi-user applications, e.g., remote gaming, as well as ultra-broadband services (UHD video and AR/VR) using stationary and moving hot-spots. The presentation will include a high-level project introduction followed by demos of a few core 5G technology which have been developed by the end of November 2016. It tentatively includes mmWave radio access technology operated in a metropolitan subway train operation, novel antenna arrays for bank/front-hauling, and virtual EPC based 5G core technology.
|13:00 - 14:00||
|14:00 - 14:45||
Update on IMT-2020/5G related activities in ITU-R and other organizations|
ITU-R work on IMT-2020
Stephen Blust, AT&T, Chairman ITU-R Working Party 5D (15 min, remote presentation) -
3GPP work on 5G architecture
Wei Lu, Nokia (15 min) -
Key system enablers for 5G, and outcome of 3GPP 5G architecture study.
Open Orchestrator Project (OPEN-O)
Chen Wei, China Mobile (video demo, 15 min) - Video*
Introduction to Release 1: "SUN". SUN ushers in a new era of open orchestration, bridging the gap between virtualized functions and connectivity services for brownfield environments for both residential and enterprise virtualized customer premises equipment (vCPE) use cases.
|14:45 - 15:45||
Information centric networking|
Chaired by Marc Mosko, PARC
Introduction to FG IMT-2020 ICN work
Marc Mosko, PARC -
- Cost efficient and low latency delivery of IP-based services
Dirk Trossen, InterDigital (live demo, 30 min) -
The consumption of media-rich content, such as video, has significantly increased over the past years with personalized video viewing expected to account for more than 80% of the traffic incurred in many operator networks by 2019. Due to the personalized nature of consuming such video content, the benefits of IP multicast cannot be reaped. Instead content delivery will be based on emerging HTTP Live Streaming (HLS) solutions such as MPEG DASH for popular content services. In this PoC, we aim at a solution for delivering IP-based services within a single operator network at higher cost efficiency and lower latency than possible in today’s solutions. For this, our PoC utilizes a software-based routing solution, piggybacking on the capabilities of SDN and the advances in routing through information-centric networking (ICN). With this solution we enable the multicast delivery of HTTP request responses in scenarios such as those of personalized viewing of video content. Our solution also enables the reduction of the experienced latency through allowing for the flexible placement as well as quick activation of surrogate HTTP servers within the network and therefore closer to the end user. The PoC will demonstrate an easy integration with existing HTTP based applications of ICN networks and include on-site human users as well as a remote data center and emulated users.
Using ICN to simplify data delivery, mobility management and secure transmission over an heterogeneous network access
Giovanna Carofiglio, Cisco Systems (live demo, 30 min) -
ICN provides a unified network and transport layer addressing content by name rather than by location. By disrupting traditional connection-oriented communication model, ICN simplifies data delivery, mobility management and secure transmission over an heterogeneous network access. In the demo, we select DASH video delivery as use case and show the benefits of ICN mobility management, in-network control (rate/loss) and network-assisted bitrate adaptation for a multi-homed user device.
We also illustrate how ICN can effectively reduce transport cost via native edge caching and multi-point/multi-source communications over the backhaul. To that aim, we orchestrate an ICN-enhanced virtualized network backhaul and shows its utilization over time.
15:45 - 16:15||
Coffee Break |
16:15 - 17:45||Information centric networking (II)|
Chaired by Marc Mosko, PARC
Using ICN to meet the IMT-2020 goals
Phillip Brown, Fujitsu Labs (live demo, 30 min) -
Slides - Video*
The PoC demonstrates features and abilities of ICN to deliver on IMT-2020 goals. Specifically, the PoC addresses the following gaps from the Focus Group
Gap Analysis Report:
A complete description of the PoC is available
- Gap E.1 Considering ICN as a protocol for IMT-2020;
- Gap E.8 ICN mobility and routing;
- Gap E.13 ICN security (authentication and encryption).
Interplay of mmWave based wireless access and ICN
Atsushi Tagami, KDDI Research (video demo, 30 min) -
Slides - Video 1* - Video 2*
We developed and demonstrated a 40GHz and 60GHz wave-based wireless access network in
March, 2016. This demonstration proofed the availability of millimeter wave band for a wireless access network and the possibility of ICN for the future network. The key contribution is to show a potential of ICN for the efficient utilization of IMT-2020’s features and a solution to fill gaps described in the deliverable of FG IMT-2020.
This presentation will show an overview of our PoC in March with videos and describe a detail of our proposed communication scheme with its benefits.
ICN seamless mobility
Ravi Ravindran, Huawei Technologies (live demo, 30 min) -
The PoC demonstrates one of the important benefits of ICN of offering seamless mobility as part of the network architecture, avoiding any specific gateway functions or tunneling present in current 4G systems. This demo takes advantage of name based routing, more specifically ID/Locator split that ICN naturally supports to offer flexibility to the mobile entities to move between administrative domains and also handling in-session mobility when they roam in a single domain. In addition, ID/Locator split in ICN also enables features such as multi-homing of not only end devices but also the ability to host content and services anywhere in the ICN network to meet application requirements. In addition to the mobility benefit, this demo also addresses the question of enabling ICN in a 5G environment as a slice over a generic infrastructure pool and the ability to orchestrate ICN services over use well known compute and network virtualization platforms, i.e., OpenStack and ONOS.