0 2016 SK Telecom proprietary
Mobile network evolution 5G will require an All-IT infra to support services such as VR and mission-critical IoT services 1G 2G 3G 4G 5G Tech Digital Packet LTE All-IP New RAT All-IT Player MNO & N/W Players OTT & Device Players Data & IoT Players Service Voice Roaming Smartphone IoT Virtual Exp. Smart Machine 1 2016 SK Telecom proprietary (1980~2010) (2010~) (2020~) RAT: Radio Access Technology
5G key capabilities and their mapping to 5G use cases in ITU-R 5G needs different capabilities to fulfill the requirements of diverse use cases Key capabilities for 5G(IMT-2020) and 4G(IMT-Adv) Key capability for 5G use cases Peak Data Rate (Gbit/s) User Experienced Data Rate (Mbit/s) Peak Data Rate User Experienced Data Rate Area Traffic Capacity (Mbit/s/m 2 ) 10 20 0.1 1 IMT-2020 10 100 1x 3x Spectrum Efficiency Area Traffic Capacity embb, New Media High Importance Medium Low Spectrum Efficiency 100x Network Energy Efficiency 1x IMT-Advanced 10 5 10 350 500 Mobility (km/h) Network Energy Efficiency mmtc umtc Mobility 10 6 1 Connection Density (devices/km 2 ) Latency (ms) Connection Density Latency Adapted from ITU-R WP5D, 15.6 2 2016 SK Telecom proprietary embb: enhanced Mobile Broadband, mmtc: massive machine-type communication, umtc: ultra-reliable and low latency machine-type communication
Operator s perspective on 5G The three core values of 5G are customer experience enhancement, new business opportunity, and efficient/intelligent operation Customer Experience Enhancement toward virtual experience New Business Opportunity from massive IoT, mission-critical IoT Efficient and Intelligent Operation 3 2016 SK Telecom proprietary
5G architecture SK Telecom s 5G architecture consists of 3 layers: 1) S/W-defined RAN (SDRAN), 2) All-IT infrastructure, and 3) Innovative services 3) Innovative Services Telco service UHD & Hologram Massive IoT Telco API Mission- Critical IoT for virtual experience, massive IoT, & critical IoT O&M Network slices Telco/IT functions Virtualization Orchestration 2) All-IT Infrastructure for value creating network, monetization Massive MIMO 4 2016 SK Telecom proprietary Unified Cloud-RANTransport Cloud Core Low-cost small cell Cloud-RAN f1 f2 fn fm Unlicensed, Millimeter-wave New waveform 1) S/W-defined RAN Openstack/SDN/NFV based S/W Defined Access Network with Open Fronthaul Interface
5G architecture: 1) S/W-defined RAN 5G test-bed SK Telecom carried out 5G radio demonstrations and currently building the 5G test-beds A) Above 6GHz 19.1Gbps cmwave* (with NOKIA, 2015.10) 7.55Gbps mmwave* (with Samsung, 2015.2) B) Below 6GHz Massive MIMO with C-RAN* (with Intel, 2015.10) FD-MIMO* (with Samsung, 2015.2) 5G new air interface* (with R&S, 2015.10) C) Interworking 5G/LTE dual connectivity (with Ericsson, 2015.10) LTE/WiGig interworking* (with Intel, 2015.2) 5Gbps cmwave* (with Ericsson, 2014.6) 5 2016 SK Telecom proprietary * Available in SK Telecom 5G Test-Bed
5G architecture: 1) S/W-defined RAN 5G SDRAN 5G access network is turning into a software-defined and open version to realize cost-effective telecommunication infrastructure in 5G 4 Mobile Edge Computing 5 Analytics-based N/W intelligence 1 Open Fronthaul and modular RAU Access CP Edge Cloud Orchestration Virtualized Functions Analytics & Infra Mgmt Edge Cloud Distributed Core Func. Edge VAS Open fronthaul for flexible RAN function split Standard interface for RAU 2 CP/UP separation through standard interface UP in dedicated H/W and CP in virtualized function Standard and open interface between UP/CP Open-source based virtualization Light-weight, VM-based virtualization Physical Infrastructure Open-source H/W 2 CP/UP separation 1 Open Fronthaul 3 Open HW/SW Remote Access Unit (RAU) Access UP H/W Radio Unit 3 Open H/W and S/W Whitebox, Bare-metal, OCP-based H/W Openstack-based S/W 4 Mobile Edge Computing M-CORD-based MEC E2E network slicing including RAN and Core 5 Analytics-based N/W Intelligence 6 2016 SK Telecom proprietary
5G architecture: 2) All-IT Infrastructure 5G core network is turning into a virtualized and programmable network to optimize virtualized network slices and guaranteed service delivery 5G All-IT Infrastructure (SDN/NFV) 5G core test-bed 5G Radio Mission-critical IoT Massive IoT Telco Service Virtualized network slice #N Virtualized network slice #2 Virtualized network slice #1 E2E orchestration and intelligence Virtualized N/W functions Cloud RAN Dist. UP Cloud CP Virtual infra management General Purpose, Open H/W Network Slicing (with Ericsson, 2015.10) Demonstration of virtualized/isolated networks for three vertical services (mission-critical IoT, massive IoT, and telco services) Guaranteed service delivery (with NOKIA, 2015.10) Teleoperation (remote 5G robot control) showcase with MEC, i.e., Dist. UP function for latency reduction 7 2016 SK Telecom proprietary NFV: Network Function Virtualization, SDN: Software Defined Network, UP: User Plane, CP: Control Plane
5G architecture: 3) Innovative Service Virtual Experience Center (2015.10) Virtual experience center is SK Telecom s effort to secure leadership in 5G era, offering a 5G demo center for customer, and a testbed for service developers 5G Based Live Production 4K UHD live broadcasting system for 5G without relay equipments (with Sony) 360 o VR Live Streaming Live streaming of immersive 360 degreevideo with high data-rate and low latency Beyond Surface Table-top devices offer futuristic experience and independent tasks for multiple users 5G Robot Teleoperation of 5G humanoid robot by transmitting control signal from motion suit to humanoid Remote AR Remote Augmented Reality built with space with space recognition and gesture/motion sensing technology Immersive Experience Room Virtual environment through action camera and ultra-low latency streaming equipment 8 2016 SK Telecom proprietary
9 2016 SK Telecom proprietary