Sanjeev Athalye, Sr. Director, Product Management Qualcomm Technologies, Inc.
This presentation addresses potential use cases and views on characteristics of 5G technology and is not intended to reflect a commitment to the characteristics or commercialization of any product or service of Qualcomm Technologies, Inc. or its affiliates. 2
Designing 5G for evolving and future use cases Adaptability for new services not yet known Wide Area IOE Connecting everything Sensing what s around, autonomous vehicles Mobile broadband Enhancing the foundation Enhanced mobile broadband Smart homes/ buildings/cities Health & fitness, medical response Smart grid, critical infrastructure More reliable services Improved reliability & security Extreme Indoor/ outdoor hotspot capacity Remote control, process automation 3
Support broad variation in requirements Ultra-low energy Very high reliability Very low cost Wide area IOE More Reliable Services High security Deep coverage Robust mobility Very high capacity Expansive broadband Enhanced Mobile Broadband Deep awareness Very low latency 4
In parallel: driving 4G and 5G to their fullest potential 5G A new much more capable 5G platform for low and high (above 6Ghz) spectrum Enable wide range of new services and lower cost deployment and operation For new spectrum available beyond 2020, including legacy re-farming 4G LTE LTE Advanced Backward-compatible evolution beyond Rel-13 Fully leverage LTE spectrum and investments For new spectrum opportunities available before 2020 2010 ~2020 2030 5
Service adaptive and spectrum aware Unified 5G design across spectrum types and bands Licensed Spectrum Cleared spectrum EXCLUSIVE USE Shared Licensed Spectrum Complementary licensing SHARED EXCLUSIVE USE Unlicensed Spectrum Multiple technologies SHARED USE Below 1 GHz: longer range, massive number of things Below 6 GHz: mobile broadband, services requiring enhanced reliability and security Above 6 GHz including mmwave: for both access and backhaul, shorter range
Technology enablers for improved 5G designs Technology Improved RF/antenna capabilities Improved radio processing Improved baseband processing Incorporate virtualization across network Air Interface Impact New mmwave bands, and Massive MIMO with new PHY/MAC design across bands Faster narrow/wide bandwidth switching and TDD switching Lower latency and faster turn around, new PHY/MAC algorithms Dynamically move processing between cloud and edge Drive fundamental improvements in user experience, coverage, and cost efficiency Deliver 5G quality of experience and new services across topologies and cell sizes New designs below 6 GHz and above 6 GHz including mmwave 7
5G Unified Air Interface (UAI) Multiple techniques under a common framework to support diverse requirements & spectrum types Broad Range of Application Requirements 5G UAI Diverse Spectrum Types
Phased 5G rollout leveraging 4G coverage 4G+5G multi-connectivity improves coverage and mobility 4G+5G Downtown 4G +5G Sub-urban area 4G +5G 4G +5G Rural area 4G 5G 4G 4G only coverage 4G+5G coverage Phased 5G rollout 9
Simultaneous 4G+5G connectivity Leverage 4G investments and enable phased 5G rollout 5G carrier aggregation with integrated MAC across sub-6ghz & above 6GHz Macro Small cell 5G above 6GHz 5G below 6GHz 4G & Wi-Fi 4G+5G small cell coverage 5G/4G/3G/Wi-Fi multimode device Simultaneous connectivity across 5G, 4G and Wi-Fi 5G deployment scenarios: Deploy above 6GHz if available first Deploy below 6GHz if available first Deploy above & below 6GHz when available 4G macro coverage 4G+5G macro coverage Coverage from other cells 10
5G design across services Enabling phased feature rollout based on spectrum and applications 5G Enhanced Broadband Lower latency scalable numerology across bands and bandwidths, e.g. 160 MHz Integrated TDD subframe for licensed, unlicensed TDD fast SRS design for e.g. 4GHz massive MIMO Device centric MAC with minimized broadcast Wide area IoE Low energy waveform Optimized link budget Decreased overheads Managed mesh mmwave Sub6 GHz & mmwave Integrated MAC Access and backhaul mmwave beam tracking High reliability Low latency bounded delay Optimized PHY/pilot/HARQ Efficient multiplexing of low latency with nominal 11
5G Mobile Broadband Uniform user experience New lower latency primary carrier Massive MIMO with new PHY/MAC designs to decrease network energy and improve coverage Multi-connectivity across 5G, 4G, Wifi Network managed multi-hop connectivity Enabling higher rates Wider BW s and mmwave for multi-gbps rates Integrated MAC across 5G mmw & 5G sub-6ghz Improved energy efficiency for higher transmission rates Improved network capacity Flexible multiplexing mechanisms Full duplex MAC Coordinated spatial techniques Improved cost & energy efficiency Integrated access and backhaul Fully incorporate network function virtualization Cost/energy efficient design for network & devices 12
5G design across mmwave and sub 6 GHz Directional beamforming for coverage and minimizing interference Indoor and outdoor picocells, integrated access and backhaul 100-200m connectivity in NLOS channels Multiband devices sub 6 GHz and e.g. 28 GHz, 60 GHz, or other bands 28GHz: Outdoor to Outdoor Path Loss & Coverage, urban Manhattan 3D Map Signal to Noise Ratio (SNR) CDF vs. Distance 28GHz Indoor Office Bldg. Measured Path Loss F(x) mmw outage with hand-off to 5G WAN Path Loss Normalized to 1m (db) 20dB offset due to frequency difference normalized out SNR (db) 10 100 Distance (m) 13
5G Wide Area IOE Improved coverage and robustness for low power devices Efficient subscription management and reduced signaling overhead New multiple access designs for asynchronous grant-free transmission for uplink direct transmission New waveform and coding for higher efficiency Leverage managed multi-hop for improved range IOE Capacity IOE Battery Life Link budget Link budget
5G Priority Services High reliability and low latency -- without compromising efficiency New control mechanisms for efficient multiplexing of low latency traffic and nominal 5G traffic Improved reliability through latency bounded link adaptation Fast failover to redundant links if primary link interruption New cross-layer design for mission critical QoS and arbitration Mobile Broadband Capacity Increasing Latency Capacity Increasing Reliability Capacity for Services requiring Low latency & enhanced reliability Latency 15
5G radio access techniques Low latency and high reliability Even denser network deployment Full selfconfiguration Context-aware network & devices Integrated access & backhaul Massive spatial processing Coordinated spatial techniques Multiple access for more active connections Multi-hop Device-to-device communication & discovery Support licensed & unlicensed spectrum sub-6ghz and above 6GHz including mmwave bands 16
Flexible and scalable network WI-FI Virtualized network functions Dynamically distributed based on mobility Multi access to a single core network 4G RAN 5G ACCESS Distributed Architecture Reduced overall cost, reduced backhaul and lower energy Modular core network Scale from wide area deployments to hotspot nodes Flexible business models Deployment, subscription, charging Lower latency Such as control and user plane closer to edge Edge security Design for less-trusted nodes 17
Summary: 5G key design characteristics Unified air interface Support diverse requirements and spectrum types New techniques Exploit advances in communications and computing Better spectral, cost and energy efficiencies While leveraging 4G and Wi-Fi investments User-centric approach Bring computing, content, connectivity closer to user
new services and devices 5G new industries Empowering new user experiences 19
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