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The dawning of the 5G era: Current status and selected important technical challenges Prof. Panagiotis Demestichas University of Piraeus, Greece IEEE 5G Toronto Summit 14 th November 2015 Outline 5G activities Overview, selected

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The dawning of the 5G era: Current status and selected important technical challenges

  • Prof. Panagiotis Demestichas

University of Piraeus, Greece IEEE 5G Toronto Summit 14th November 2015

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Outline

5G activities

–

Overview, selected readings

–

Selected readings: NGMN and use cases

Activity in EU: 5GPPP – high level overview

–

Provides framework and resources for

  • Addressing selected challenges
  • Interacting/integrating with community

Selected challenges

–

Flexible, multi-service, air interface below 6 GHz (FANTASTIC-5G)

–

Flexible/efficient Hardware/Software (HW/SW) platform (Flex5Gware)

–

QoS and capacity expansions (SPEED-5G)

Entities (new, or continuing their tradition in transforming ICT)

–

New air interfaces (new features and system level simulation), HW/SW partitioning and component chaining, intelligence for MAC and management layers: WINGS ICT Solutions

–

Advanced management functionality: Incelligent

–

5G development and experimentation: 5G Innovation Centre, University of Surrey

–

Dissemination and networking events: University of Piraeus

Events: EUCNC’16 (European Union Conference on Networking and Communications

Conclusions

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5G activities: overview per geographical area

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4G Americas NGMN ARIB-5GMF 5GForum IMT2020 IEEE WWRF 3GPP ITU 5GPPP GSMA

  • ITU: International

Telecommunication union

  • GSMA: GSM Association
  • 3GPP: 3rd Generation

Partnership Project

  • IEEE: Institute of Electrical

and Electronics Engineers

  • NGMN: Next Generation

Mobile Networks

  • WWRF: Wireless World

Research Forum

  • 4G Americas: 4th

Generation Americas

  • 5GPPP: 5th Generation

Public Private Partnership

  • 5GMF: 5th Generation

Mobile Communications Promotion Forum

  • 5GForum: 5th Generation

Forum

NetWorld2020

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5G activities: selected readings

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4G Americas NGMN ARIB-5GMF 5GForum IMT2020 IEEE WWRF 3GPP ITU 5GPPP NetWorld2020 GSMA

 5GPPP, “eHealth”, Oct. 2015  5GPPP, “Energy”, Oct. 2015  5GPPP, “Automotive”, Oct. 2015  5GPPP, “Factories-of-the-Future”, Oct. 2015  NetWorld2020, “Research Beyond 5G”, Oct. 2015  NGMN “5G White Paper”, Feb. 2015  GSMA, “Understanding 5G: Perspectives on

future technological advancements in mobile”,

  • Dec. 2014

 WWRF, “5G Vision, Enablers and Challenges for

the Wireless Future”, Apr. 2015

4G Americas, “5G Technology Evolution Recommendations”, Oct. 2015

4G Americas, “Inside 3GPP Release 13: Understanding the Standards for HSPA+ and LTE-Advanced Enhancements”, Sep. 2015

ARIB, “Mobile Communications Systems for 2020 and beyond”, Oct. 2014

NetWorld2020 ETP, “5G: Challenges, Research Priorities, and Recommendations”,

  • Aug. 2014

List not exhaustive … there are many more…

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5G activities: selected readings: NGMN “5G White Paper”

Comprehensive set of use cases has been introduced There are related categorization(s), e.g., into 3 (underlined) or 5 sets

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Broadband Access in Dense Areas Broadband Access Everywhere Higher User Mobility Massive Internet of Things (IoT) Extreme Real-Time Communications Lifeline Communication Ultra-reliable Communications Broadcast-like Services

  • 1. Mobile Broadband
  • 2. Mission Critical Communications
  • 3. Massive Machine

Communications

  • 4. Broadcast and

Multicast Services

  • 5. Vehicle 2 X

Communications

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Activity from EU: 5G-PPP (Public Private Partnership)

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Source: W. Mohr, “The 5G Infrastructure Public-Private Partnership”, ITU GSC-19 Meeting, Geneva, July 15 and 16, 2015

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Activity from EU: 5G-PPP – Selected challenges

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Challenge 1 New, flexible, multi-service air interface below 6GHz – My group’s contribution: New air interfaces features and system level simulation Challenge 2 Flexible/ efficient HW/SW platforms – My group’s contribution: HW/SW partitioning and chaining Challenge 3 QoS provision and capacity expansion - My group’s contribution: Advanced intelligence for MAC and management levels in 5G context

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Flexible, multi-service, air interface below 6 GHz (Fantastic-5G)

To find a response to the strong growth of requested data rates (evolutionary effect)

To enhance the business model of operators by widening the pool

  • f services (revolutionary target)

To develop a flexible and scalable multi-service air interface with ubiquitous coverage and high capacity where and when needed. The new air interface is targeted to be highly efficient in terms of energy and resource consumption as well as to be future proof.

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Main motivations Main

  • bjectives

Figure source: FANTASTIC-5G presentation in ICT2015, Lisbon, Oct. 2015

Web: http://fantastic5g.eu/ http://wings-ict-solutions.eu/multi/FANTASTIC5G-PressRelease-FINAL.pdf

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Flexible, multi-service, air interface below 6 GHz (Fantastic-5G)

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From Services to KPIs

Mobile Broadband (MBB)

Mission Critical Communications (MCC)

Massive Machine Communications (MMC)

Broad- and Multicast Services (MBS)

Vehicle-to-Vehicle and Vehicle- to-Infrastructure Services (V2X)

Core services and related KPIs with different requirement levels

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Flexible, multi-service, air interface below 6 GHz (Fantastic-5G)

 Cell densification  Support of D2D  Support of V2X  Enhanced MIMO with/without cooperation  New frame design  New waveform design  Advanced multi-cell RRM  Advanced retransmissions  Low PAPR design etc.

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Data throughput per area Latency Coverage Mobility Reliability/ Availability Low cost Low energy

From KPIs to improved PHY procedures Primary KPIs MBB Secondary KPIs

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Flexible, multi-service, air interface below 6 GHz: Our group’s contribution: system level simulation (1)

From improved procedures to system level simulations

Modeling

–

Modeling of targeted 5G environments based on service characteristics and system features

Definition of simulation scenarios

–

Definition and configuration

  • f a set of simulation scenarios

based on 5G use cases

Selection of simulation scenarios

Execution of simulations & analysis

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Flexible, multi-service, air interface below 6 GHz: Our group’s contribution: system level simulation (2)

Simulation capabilities

Implement the most important features of both LTE and LTE-A technologies

–

Customizable network topologies, channel and propagation models (radio conditions), traffic models, mobility models

Is being extended for modelling 5G core services

Preliminary versions of the simulation environment are under development

Compliant with 3GPP LTE Rel.10+

Politechnico di Bari LTE simulator: http://telematics.poliba.it/lte-sim Main innovations

Multi-service support and flexible network deployments with a user-friendly GUI

12 WINGS tool: Visualization of user’s density WINGS tool: Visualization of QoS

Red points denote higher user density around small cells Green points denote good QoS, while yellow denote medium QoS

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Flexible and Efficient HW/SW Platforms (Flex5Gware)

Main motivations

 Need for 5G HW/SW

platforms with increased flexibility and meeting the requirements imposed by the anticipated exponential growth in mobile data traffic

–

Also scalability, resilience

 Need for serving a large

diversity of applications

 Need for identifying and

prototyping key building blocks Main objectives

 Increasing the HW

versatility and reconfigurability

 Providing HW-agnostic,

flexible and cost-effective SW platforms

 Increasing the overall

capacity of 5G communication platforms (as well as achieve further KPIs)

 Decreasing the energy

consumed by 5G communication platforms

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Web: http://www.flex5gware.eu/ http://wings-ict-solutions.eu/multi/Flex5Gware_PressRelease.pdf

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Flexible and Efficient HW/SW Platforms: High level overview of the concept (Flex5GWare)

Building blocks in 4 domains

Analogue HW components/architectures for multi-RAT and advanced semiconductor technologies

–

E.g., mmWave

Mixed-signal technologies and conversion stages

–

E.g., FDD, optical RF, converters

Digital front-end architectures and HW/SW function split

–

E.g., FBMC, LDPC

SW modules, functions and interfaces enabled by virtualization technologies

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Colored blocks denote technical heterogeneity, while grey

  • nes stand for HW-agnostic functions and interface

abstractions.

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Flexible and Efficient HW/SW Platforms: Our group’s contribution

Cognitive, dynamic HW/SW partitioning

On top of functions virtualization incl. network centralization (Cloud-RAN)

Context aware decision making to whether a function will be executed:

–

In SW or HW;

–

Either inside a network stack layer and/or between multiple network stack layers.

Cooperation with management programs and monitoring agents

5G SW modules and functions

Hardware abstraction of sensors in 5G context for retrieving useful info and facilitating the dynamic selection of communication technologies and protocols

Flexible, reprogrammable and reconfigurable functional composition of SW and HW components at runtime

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QoS provision and capacity expansion (Speed-5G)

Main motivations

 Need for more capacity  Need for more spectrum  Need for better exploitation of

resources across technologies

 Need for better quality for

application provisioning Main objectives

 SPEED-5G targets providing

solutions at Layer 2, Layer 3 and above to enable enhanced Dynamic Spectrum Access with multiple RATs, and especially with FBMC

 SPEED-5G can use in a

coordinated way licensed, lightly-licensed and unlicensed spectrum mostly in dense and ultra-dense small cell networks

 A new MAC and RRM for the 5G

will be developed and evaluated throughout different Use Cases and Scenarios

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Web: https://speed-5g.eu/ http://wings-ict-solutions.eu/multi/Speed-5G_Project_Factsheet_Final.pdf

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QoS provision and capacity expansion (Speed-5G)

 SPEED-5G intends to break spectrum

and technology silos for optimal service provisioning and quality of experience

 Challenge on how to break the

technological silos in a more flexible way in the longer term by exploiting and improving advanced flexible wireless technologies

 Improving autonomous management

  • f small cells in dense scenarios

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QoS provision and capacity expansions: Our group’s contribution: extended DSA/RRM

Extensions to Dynamic Spectrum Access and (RRM)

 Machine learning and prediction based solution to a complex problem  Involving 5G services and KPIs  Leveraging on various licensing schemes, allocation possibilities, wide range

  • f spectrum

 Handling a wide range of mobility cases  Leading to automated and robust solutions  Functionality partitioned between MAC and management layers

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Sample of entities contributing to 5G development: WINGS ICT Solutions

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Smart Wireless Access 5G Product: Spin-out company Incelligent Cloud/ IoT Big data and Analytics Commercial contracts MigraineNet

Web: www.wings-ict-solutions.eu

  • Smart Wireless Access
  • Device Management
  • Cloud Platforms; IoT; Wearables;

Nano-systems

  • Software networks; NFV; SDN;

Management and Orchestration

  • Big Data Platforms; Knowledge

Development; Predictive Analytics

  • Applications and Services
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Sample of entities contributing to 5G development: Incelligent (having an eye on 5G)

Pain

 Predict as early as possible

areas that may have problems

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Solution provided

 Knowledge management and

predictive algorithms

 Highly heterogeneous big data  Multi-vendor  Prescriptions or automatic

enforcement

 Offering knowledge to

application providers

Achievements

 Pilots with incumbent operator,

large vendor, Wi-Fi operators

Next step: Enhancing set of pilots

Web: www.incelligent.net

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Entities: Development of 5G and 5G experimentation: 5G Innovation Centre (5GIC) at the University of Surrey (1)

The 5G Innovation Centre (5GIC) at the University of Surrey is now the largest UK academic research centre dedicated to the development of the next generation of mobile and wireless communications.

Bringing together leading academic expertise and key industry partners in a shared vision, the 5GIC will help to define and develop the 5G infrastructure.

At the heart of the 5GIC is a state-of-the-art testbed – the world’s leading independent testbed for trialling emerging 5G ideas, proving concepts, validating standards and vendor inter-operability testing.

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https://www.surrey.ac.uk/5gic

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Entities: Development of 5G and 5G experimentation: 5GIC

Major achievements so far:

 12 patents filed so far; highlights of some of them are:

 Speed and spectrum efficiency

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Highest-ever speed wirelessly

–

>800x highest speed in 4G

–

Interference is good  Uniform user experience, all over cell coverage

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15x capacity increase at cell edge compared with state-of-the-art technologies  Targets:

–

2016: 5Gbit/s/Cell (in the Lab)

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2017: 10Gbit/s/Cell (in the lab)

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Source: R. Tafazolli, “5G Innovation Centre”

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Events (co-organized by University of Piraeus): European Conference on Networks and Communications (EUCNC 2016)

If you want to: “live the dawn of 5G” come to EUCNC’16 in Athens

Welcoming papers in the areas:

Air interfaces (PHY, MAC, RRM, respective developments towards 5G).

Optical communications/networks (access/core technologies, signal processing, components, etc.).

Software defined infrastructures (SDN, NFV,

  • rchestration, etc.).

Management technologies (physical/virtualized resource management, predictive technologies, resilience and security, learning and self-optimization, cognition, architectures and standards).

Converging concepts (IoT/M2M, CPS, embedded and nanoscale systems, cloud/edge/fog computing, OTT, etc.).

Business aspects, vertical sectors, applications/services.

Testbeds and experiments.

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Date: 27-30 June 2016

Place: Athens, Greece

Over 700 participants

Numerous companies and academic institutions

Papers, exhibition, business discussions

Web: www.eucnc.eu

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Conclusions

 Many 5G initiatives are taking place around the globe  A lot of research is carried out in order to have first 5G deployments

by 2020 (demonstration of features happen earlier)

 Europe has established the 5G Public-Private Partnership (5GPPP) in

  • rder to accelerate 5G R&D by investing more than EUR 700 mn,

within phases, under Horizon 2020 programme

 Synergies between various parts of the world are important  Synergies between key industries, SMEs and academia are important

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Further references

  • P. Demestichas, A. Georgakopoulos, K. Tsagkaris, S. Kotrotsos, "Intelligent 5G Networks:

Managing 5G Wireless/Mobile Broadband," IEEE Vehicular Technology Magazine, vol.10, no.3, pp.41-50, Sept. 2015

  • Y. Wang, J. Li, L. Huang, J. Yao, A. Georgakopoulos, P. Demestichas, "5G Mobile: Spectrum

Broadening to Higher-Frequency Bands to Support High Data Rates", IEEE Vehicular Technology Magazine, vol.9, no.3, pp.39-46, 2014

  • P. Demestichas, A. Georgakopoulos, D. Karvounas, K. Tsagkaris, V. Stavroulaki, J. Lu, C. Xiong, J.

Yao, "5G on the Horizon: Key Challenges for the Radio Access Network", IEEE Vehicular Technology Magazine, vol.8, no.3, pp.47-53, 2013

  • P. Demestichas, “Future Communications Networks towards 2020: Wireless/mobile broadband

communications towards 2020 and 5G: driving forces and research challenges”, Panel presentation in Personal Indoor and Mobile Radio Communications (PIMRC), London, UK, 8-11

  • Sep. 2013

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Thank You!

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