5G systems meeting the expectations of the Networked Society 2020 GSM Wi-Fi 3G Dr Magnus Frodigh Director Wireless Access Networks 4G New technologies 5G
Ericsson Research Technology leadership the main driver of GSM, HSPA, LTE, LTE-A and 5G Innovation 50 % of Ericsson patent filings a major creator of conference papers, journal articles and books Cooperation leading universities, research organizations and operators Strength a global organization spanning 3 continents 40 % holding a Ph.D. degree Commercial in confidence 2014-01-23 Page 2
In the networked society people, knowledge, devices, and information are networked for the growth of society, life and business.
Mobile Data TRAFFIC 2013 the monthly mobile data traffic volume was 2 exabytes By 2019 the monthly mobile data traffic volume will increase to 20 exabytes 1 exabyte = 10 18 bytes Commercial in confidence 2014-01-23 Page 4
Smartphones 2013 the number of smartphones was 1.9 billion By 2019 the number of smartphones will increase to 5.6 billion Commercial in confidence 2014-01-23 Page 5
Mobile Subscriptions by technology 2010-2019 [Billions] Source: Ericsson (November 2013) M2M subscriptions not included Commercial in confidence 2014-01-23 Page 6
THE Networked Society Devices Services From an operator-centric to an user-driven landscape Redefining the network & connected devices Network Cloud The network drives new value in connected devices Commercial in confidence 2014-01-23 Page 7
5G system NF NF NF Cloud Execution Environment Infra-structure layer Device Relay Antenna RU Data Center DU Device Device Antenna RU Network Infrastructure Commercial in confidence 2014-01-23 Page 8
Key Challenges Massive growth in Traffic Volume Massive growth in Connected Devices Wide range of Requirements & Characteristics >1000x speed latency Affordable and sustainable Commercial in confidence 2014-01-23 Page 9
Diversified wireless accesses Spectrum toolbox Licensed Controlled sharing 300 MHz 3 GHz 30 GHz 300 GHz Unlicensed Commercial in confidence 2014-01-23 Page 10
Ultra-Dense Networks Provide extreme capacity and multi-gbps bandwidths >500 MHz, frequency >20 GHz ~1 AP per room indoor, ~10-50 m ISD outdoor Higher frequencies enable/require beamforming increase link budget, constrain interference Low-cost, self-configuring access nodes access-backhaul integration Seamless integration with wide area network at lower frequencies robustness, UDN as data booster layer Commercial in confidence 2014-01-23 Page 11
Connected Devices Meters and Sensors Intelligent Transport Systems Critical Communication Sensor, actuators, meters, connected devices and things Small, simple, low-cost Low energy consumption Long-range coverage Connecting vehicles, transport infrastructure and transport management Incl. safety-related services Low delay High mobility Distributed embedded control & cyber-physical systems High reliability and availability Low delay Autonomous operation Commercial in confidence 2014-01-23 Page 12
LTE for meters & sensors? Are LTE devices simple? high requirements on M2M device Are LTE devices well reachable? MTC devices may have unfavorable attenuation (basements, metal enclosures) stationary MTC devices affected in particular Does LTE enable M2M devices to operate on battery for multiple years? not really referring to LTE Release 8 with regard to the defined M2M requirements Commercial in confidence 2014-01-23 Page 13
Addressing Limitations COST Reducing cost by up to 80%, eg by one receive antenna data rates limited to 1 Mb/s using 1.4 MHz BW only Further enhancements half-duplex FDD reduced RF bandwidth COVERAGE Options for low-rate MTC devices repetition with energy accumulation power/psd boosting relaxed performance requirements simplification/elimination of physical control channel functionality or design of new channels/signals Commercial in confidence 2014-01-23 Page 14
What consumes energy? power consumption Transmit Receive active inactive DRX / paging cycle active data signaling paging / measurements time DRX active times dominate UE energy consumption Commercial in confidence 2014-01-23 Page 15
Capillary Networks The majority of device connections predicted as short-range, non-3gpp e.g. Bluetooth Low Energy, IEEE 802.15.4 but can only provide local connectivity at the edge Provide connectivity, security solutions and network management Connectivity, QoS, Security, Network Management Connected Devices Capillary Network Capillary GWs EPS Network Capillary Network Function Internet App Node Commercial in confidence 2014-01-23 Page 16
Machine Type Communications Simple & cheap Low energy TEXT Small data volumes Massive numbers MTC ~1ms e2e latency Ultra reliable Highly available Sensors, meters, actuators Ultra-long range Low protocol overhead Scalable Access Spectrum sharing with LTE (< 2GHz) Short TTI Robust transmission Fast channel assignment Multi-path Industrial application Traffic safety/control Capillary networks Capillary Networks & short-range radio Tactile Internet Commercial in confidence 2014-01-23 Page 17
LTE Major Evolution Trends Rel-10 Rel-11 Rel-12 New scenarios Device-to-Device Communication, MTC, Broadcast Device Enhancements Receiver improvements, Densification Local-area access, Heterogeneous deployments LTE Rel-8/9 Multi-antenna techniques MIMO, CoMP Spectrum Flexibility Carrier Aggregation, New Frequency Bands Multi-RAT coordination WiFi interworking, inter-rat RRM Commercial in confidence 2014-01-23 Page 18
5G Wireless access 5G = evolution of existing standards 1990 GSM 2000 2010 2020 Wi-Fi 3G 4G + New wireless technologies complementary new technologies 5G Commercial in confidence 2014-01-23 Page 19
5G around the world Lots of talk about 5G Vendors Operators Governments Academia/universities Ericsson leading the EU funded METIS project with 29 partners The project purpose is to make technology research, align industry and regulatory bodies Commercial in confidence 2014-01-23 Page 20
Research Challenges Future internet / networking principles /services /security Software defined networking /cloud /distributed computing/short delay Management /Management of complex systems Multiple RAT integration Spectrum management / ways to utilize shared spectrum Energy efficiency Connected devices / Machine type communication / IoT Advanced Antenna systems / beamforming / beamtracking Understanding of propagation properties for higher frequencies Radio frontends for higher frequencies Commercial in confidence 2014-01-23 Page 21
Summary LTE Evolution will address capacity and performance demands for the coming years 5G is needed to fulfil the diverse requirements from the Networked Society Vast opportunities for 5G research Commercial in confidence 2014-01-23 Page 22