important technical challenges Prof. Panagiotis Demestichas - PowerPoint PPT Presentation

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 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  2

5G activities: overview per geographical area 3GPP IEEE NGMN WWRF ITU GSMA ARIB-5GMF IMT2020 5GPPP NetWorld2020 4G Americas 5GForum • ITU : International • 4G Americas: 4 th Telecommunication union Generation Americas • GSMA : GSM Association • 5GPPP : 5 th Generation • 3GPP : 3 rd Generation Public Private Partnership Partnership Project • 5GMF : 5 th Generation • IEEE : Institute of Electrical Mobile Communications and Electronics Engineers Promotion Forum • NGMN : Next Generation • 5GForum : 5 th Generation Mobile Networks Forum • WWRF : Wireless World 3 Research Forum

5G activities: selected readings 3GPP IEEE NGMN WWRF ITU GSMA ARIB-5GMF IMT2020 5GPPP NetWorld2020 4G Americas 5GForum  5GPPP , “eHealth”, Oct. 2015  5GPPP , “Energy”, Oct. 2015  5GPPP , “Automotive”, Oct. 2015 4G Americas , “5G Technology Evolution   5GPPP , “Factories -of-the- Future”, Oct. 2015 Recommendations”, Oct. 2015  NetWorld2020 , “Research Beyond 5G”, Oct. 2015 4G Americas , “Inside 3GPP Release 13:  Understanding the Standards for HSPA+ and  NGMN “5G White Paper”, Feb. 2015 LTE- Advanced Enhancements”, Sep. 2015  GSMA , “Understanding 5G: Perspectives on ARIB , “Mobile Communications Systems for future technological advancements in mobile”,  2020 and beyond”, Oct. 2014 Dec. 2014 NetWorld2020 ETP , “5G: Challenges,  WWRF , “5G Vision, Enablers and Challenges for  Research Priorities, and Recommendations”, the Wireless Future”, Apr. 2015 Aug. 2014 List not exhaustive … there are many more … 4

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 1. Mobile Broadband Broadband Access in Broadband Access Dense Areas Everywhere 2. Mission Critical Communications Extreme Lifeline Ultra-reliable Real-Time Communication Communications Communications Massive Internet of Broadcast-like Higher User Things (IoT) Services Mobility 4. Broadcast and 5. Vehicle 2 X 3. Massive Machine Multicast Services Communications Communications 5

Activity from EU: 5G-PPP (Public Private Partnership) 6 Source: W. Mohr, “The 5G Infrastructure Public - Private Partnership”, ITU GSC -19 Meeting, Geneva, July 15 and 16, 2015

Activity from EU: 5G-PPP – Selected challenges Challenge 3 QoS provision and capacity Challenge 1 expansion - New, flexible, multi-service air My group’s contribution: interface below 6GHz – Advanced intelligence for MAC and My group’s contribution: management levels in 5G context New air interfaces features and system level simulation Challenge 2 Flexible/ efficient HW/SW platforms – My group’s contribution: HW/SW partitioning and chaining 7

Flexible, multi-service, air interface below 6 GHz (Fantastic-5G) Main motivations Figure source: FANTASTIC-5G presentation in ICT2015, Lisbon, Oct. 2015 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  of services (revolutionary target) Main To develop a flexible and scalable multi-service air interface with  objectives 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. Web: http://fantastic5g.eu/ http://wings-ict-solutions.eu/multi/FANTASTIC5G-PressRelease-FINAL.pdf 8

Flexible, multi-service, air interface below 6 GHz (Fantastic-5G) 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 9

Flexible, multi-service, air interface below 6 GHz (Fantastic-5G) From KPIs to improved PHY procedures MBB Data throughput  Cell densification per area  Support of D2D Primary KPIs Latency  Support of V2X  Enhanced MIMO with/without cooperation Coverage  New frame design  New waveform design Mobility  Advanced multi-cell RRM  Advanced retransmissions Reliability/ Secondary KPIs Availability  Low PAPR design etc. Low cost Low energy 10

Flexible, multi-service, air interface below 6 GHz: Our group’s contribution: system level simulation (1) From improved procedures to system level Definition of simulation scenarios  simulations Definition and configuration – Modeling  of a set of simulation scenarios based on 5G use cases Modeling of targeted 5G environments – based on service characteristics and system Selection of simulation scenarios  features Execution of simulations & analysis  11

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  Red points denote Green points denote higher user density good QoS, while yellow around small cells denote medium QoS WINGS tool: Visualization of user’s density WINGS tool: Visualization of QoS 12

Flexible and Efficient HW/SW Platforms (Flex5Gware) Main motivations Main objectives  Need for 5G HW/SW  Increasing the HW platforms with increased versatility and flexibility and meeting the reconfigurabilit y requirements imposed by  Providing HW- agnostic , the anticipated exponential flexible and cost-effective growth in mobile data traffic SW platforms Also scalability, resilience –  Increasing the overall capacity of 5G communication platforms  Need for serving a large (as well as achieve further diversity of applications KPIs )  Decreasing the energy  Need for identifying and consumed by 5G prototyping key building communication platforms blocks Web: http://www.flex5gware.eu/ http://wings-ict-solutions.eu/multi/Flex5Gware_PressRelease.pdf 13

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 Colored blocks denote technical heterogeneity, while grey ones stand for HW-agnostic functions and interface abstractions. 14

Flexible and Efficient HW/SW Platforms: Our group’s contribution Cognitive, dynamic HW/SW partitioning 5G SW modules and functions On top of functions virtualization incl. Hardware abstraction of sensors in 5G   network centralization (Cloud-RAN) context for retrieving useful info and facilitating the dynamic selection of Context aware decision making to  communication technologies and whether a function will be executed: protocols In SW or HW; – Flexible, reprogrammable and  Either inside a network stack layer and/or – reconfigurable functional composition of between multiple network stack layers. SW and HW components at runtime Cooperation with management programs  and monitoring agents 15