Long-Term LTE . Ericsson Panel debate ICCC - Long-Term LTE Long-Term LTE Evolution Dr

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Text of Long-Term LTE . Ericsson Panel debate ICCC - Long-Term LTE Long-Term LTE Evolution Dr

  • Long-Term LTE Evolution

    Dr Stefan Parkvall Principal Researcher Ericsson Research

  • Ericsson Internal | 2014-10-03 | Page 2

    By 2019

    700 M PCs and tablets

    9.2 BN Mobile subscriptions

    5.6 BN Smartphone subscriptions

    7.6 BN Mobile broadband

    subscriptions

  • Ericsson Internal | 2014-10-03 | Page 3

    Networked Society

    LTE evolution to handle a wide range of requirements

    Everything that benefits from being connected will be connected

  • Ericsson Internal | 2014-10-03 | Page 4

    › Enhance MBB support – Meet traffic growth – Improve end-user experience

    › Expand into new use cases

    – Massive machine-type communication, mission-critical communication, …

    › Strive to fulfill 5G requirements

    LTE Evolution

    Rel-11 Rel-12

    Rel-13

    Rel-14

  • Ericsson Internal | 2014-10-03 | Page 5

    › Unlicensed spectrum as performance booster managed by a licensed carrier

    › Operator-deployed small cells – Primarily 5 GHz band

    › Fair and friendly coexistence

    – With other technologies – With other operators

    Licensed-Assisted Access

    Primary Carrier Licensed Spectrum

    Secondary Carrier Unlicensed Spectrum

    Carrier Aggregation

  • Ericsson Internal | 2014-10-03 | Page 6

    › Network management – Management of one network

    WiFi

    LTE LTE

    › Larger bandwidth  higher data rates – LTE provides higher spectral efficiency than WiFi

    Licensed-Assisted Access

    › Reliability and Quality – Mobility, QoS, robust fallback etc. as in existing LTE

    Typical WiFi Improved WiFi LTE 0

    0.5

    1

  • Ericsson Internal | 2014-10-03 | Page 7

    › WLAN interworking – Basic support for LTE-WiFi traffic steering in Rel-12 – Tighter network control desirable in Rel-13

    Small Cells

    › Dual connectivity – Important tool, especially in the long term – Provides robustness – Example: low-frequency coverage layer and high-

    frequency small-cell layer

  • Ericsson Internal | 2014-10-03 | Page 8

    › Latency – a key performance indicator – Differentiator between 3G and 4G – Differentiator between operators

    › End-user experience – Interactive applications, TCP file transfer, …

    › Enabler for new use cases – Mission-critical MTC, …

    Latency Reduction

  • Ericsson Internal | 2014-10-03 | Page 10

    › Wide range of requirements

    Machine-Type Communication

    Sensors, actuators, cargo tracking, notifications, …

    Industrial applications Smart grid

    Traffic safety/control

    › Massive MTC – Low cost, long battery life, low data rates,

    massive number of devices, …

    › Mission-critical MTC – Ultra-high reliability and availability, very

    low latency, …

  • Ericsson Internal | 2014-10-03 | Page 11

    › First round of improvements in Rel-12 – Reduced complexity, enhanced battery lifetime

    › Continuation in Rel-13 – Reduced RF bandwidth (1.4 MHz) – Enable integrated PA implementation

    (reduced Tx power) – Coverage improvement, ~15 dB – Reduced power consumption

    LTE LTE well positioned

    to support

    low-cost massive MTC

    Machine-Type Communication

  • Ericsson Internal | 2014-10-03 | Page 12

    › Beamforming – Elevation beamforming – “Massive MIMO”

    › Indoor CoMP – Scenarios, models – CSI feedback enhancements

    › Active antenna systems – Ensure RF requirements in place

    Multi-Antenna Techniques

    64 a

    nt en

    na p

    or ts

  • Ericsson Internal | 2014-10-03 | Page 13

    › Basic support in Rel-12 – Out-of-coverage broadcast communication for NSPS – In-coverage discovery for commercial use cases

    › Evolution to continue in Rel-13 – Out-of-coverage discovery – Relaying – High-efficient unicast communication

    Device-to-Device Communication

  • Ericsson Internal | 2014-10-03 | Page 14

    › A platform for future wireless applications

    › Wide range of frequency bands relevant – Lower bands for wide-area coverage – Higher frequency bands as complement

    › 5G = LTE evolution + new RAT – 3GPP SI on new RAT ~Rel-14

    5G

    New RAT(s)

    LTE LTE evolution

    2010 2020 2030

    5G

    3 GHz 10 GHz 30 GHz 100 GHz

  • Ericsson Internal | 2014-10-03 | Page 15

    › Future requirements and applications not fully known… …but to be supported by the LTE evolution

    › LTE an important part of overall 5G solutions

    Summary

    › Ambitious performance targets for Rel-13 and beyond

  • Long-Term LTE Evolution By 2019 Networked Society LTE Evolution Licensed-Assisted Access Licensed-Assisted Access Small Cells Latency Reduction Machine-Type Communication Machine-Type Communication Multi-Antenna Techniques Device-to-Device Communication 5G Summary Slide Number 16