Soldani_5G_Seminar_Italy15June2016_Final_Public v02

HUAWEI TECHNOLOGIES CO., LTD. Page 1

D. Soldani

Venice, Italy 15th June, 2016

5G communications: development and prospects

Dr David Soldani

VP Strategic Research and Innovation, Huawei Visiting Professor, University of Surrey, UK

Industry Professor, University Technology Sydney (UTS), Australia

https://de.linkedin.com/pub/dr-david-soldani/a/6a0/336







D. Soldani

2010 “Client Server” Bit pipe and Free Communication Services

2020 “Multi-Tenant” Nervous system of the Digital Society and Economy

Vision “The advanced 5G infrastructure is expected to become the nervous system

of the Digital Society and Digital Economy”

Günther Oettinger, European Commission, MWC 2016

“The smart phone is the extension of what we do

and what we are, the mobile is the answer to pretty much everything”

Eric Smith, Google, MWC 2010

Convergence of: 1. Big data

2. Artificial intelligence

3.Connected networks

DL: 1Gb/s UL: 500Mb/s

LTE-A target

Convergence of:1. Cloud computing

2. UE Computing power 3. Connectivity at high speed

http://europa.eu/rapid/press-release_SPEECH-15-4535_en.htm


D. Soldani

5G International Cooperation: status of MoU and JD • China

– MoU signed with IMT-2020 (5G) Promotion Group on September 29, 2015 in Beijing

• Japan – MoU signed with The 5G Mobile Communications Promotion Forum on March 25,

2015 at NGMN Industry Conference in Frankfurt, Germany

• Korea – MoU signed with 5G Forum on June 17, 2014 after signature of Joint Declaration

between EU Commission and Korean government in Seoul, Korea

• USA – MoU signed with 4G Americas on March 2, 2015 at Mobile World Congress 2015 in

Barcelona, Spain

• Multilateral MoU on a series of Global 5G Event – Two events per year with rotation between continents: Beijing and Rome in 2016 – MoU signed between IMT-2020 (5G) Promotion Group, 5GMF, 5G Forum, 5G

Americas and 5G Infrastructure Association on October 20, 2015 in Lisbon

Source: 5G Infrastructure Association


D. Soldani

2016 China: 1st Global 5G Event on “Bringing 5G into Reality” Global unified 5G standard to be developed by 3GPP Services and scenarios at high frequency for eMBB

37GHz/39GHz/28GHz as 5G candidate bands Cooperation with China & EU for 5G R&D


D. Soldani

5G Public Private Partnership (PPP): €700 mn €1.4+ bn

ETP governance model

5G Initiative

European Commission

WG 5G Vision and Societal Challenges

WG 5G Pre-standards

WG SME support

WG 5G Spectrum

Activity Community building and PR (Public Relations)

Activity 5G International cooperation

Activities based on the 5G PPP Contractual Arrangement, KPIs

Working Group 1

Working Group 2

Working Group n

Communications-networks-oriented ETP

5G PPP projects

AssociationBoard

General AssemblyAssociation Statutes and Modus

Operandi of Association

Working Groups launched

AssociationBoard

General AssemblyAssociation Statutes and Modus

Operandi of AssociationWorking Groups launched

5G Infrastructure Association Board

Technology Board(Project Technical Managers plus

Association representative)

Steering Board(Project Coordinators plus

Association representative)

Partnership Board

Secretary GeneralHead of Office

5G-PPP Phase III (2018-20 EU Public funds €425mn): Large scale trials in Europe with Verticals

5G-PPP Phase II (2017-18, EU Public funds €148mn): Verticals, Satellites, Optical, SW networks

5G-PPP Phase I (2015-16, EU public funds €125mn): 19 retained Actions

Dec

uplin

g - o

ngoi

ng

EU 5G socio-economic analysis: €56.6 bn 5G investment (EU28 Member States) Value: €425.5 bn (7.5x), Jobs: 7.184 mn

M1000+ (I, SME,R)

(M30+) CA (KPIs)

5G Architecture

1. SRIA: Inputs to Work Programme 2. WP: 5G Vision and for Verticals 3. PP: Pre-structuring Models 4. Policies: Positioning papers 5. PR: Communication/Cooperation


http://www.5g-ppp.eu/

https://5g-ppp.eu/wp-content/uploads/2016/02/BROCHURE_5PPP_BAT2_PL.pdf


D. Soldani

Source: EURO-5G

5G-Norma5G NOvel Radio Multiservice adaptive

network Architecture

Euro-5G5G PPP Coordination and

Support Action

VirtuWindVirtual and programmable industrial network prototype deployed in operational Wind park

SONATAService Programming and

Orchestration for Virtualized Software Networks

5GEx5G Exchange

SUPERFLUIDITYSuperfluidity: a super-

fluid, cloud-native, converged edge system

METIS-IIMobile and wireless communications Enablers

for Twenty-twenty (2020) Information Society-II

COHERENTCoordinated control and spectrum management for

5G heterogeneous radio access networks

CogNetBuilding an Intelligent System of Insights and

Action for 5G Network Management

CHARISMAConverged Heterogeneous Advanced 5G Cloud-

RAN Architecture for Intelligent and Secure Media Access

5G-XhaulDynamically Reconfigurable Optical-Wireless

Backhaul/Fronthaul with Cognitive Control Plane for Small Cells and Cloud-RANs

SELFNETFramework for SELF-organized network

management in virtualized and software defined NETworks

SPEED-5Gquality of Service Provision and capacity Expansion

through Extended-DSA for 5G

mmMAGICMillimetre-Wave Based Mobile Radio Access Network for Fifth

Generation Integrated Communications

XhaulThe 5G Integrated fronthaul/backhaul

FANTASTIC-5GFlexible Air iNTerfAce for Scalable service delivery wiThin wIreless

Communication networks of the 5th GenerationFlex5Gware

Flexible and efficient hardware/software

platforms for 5G network elements and

devices

5G EnsureSecurity

SESAMESmall cEllS coordinAtion for Multi-tenancy

and Edge services

Research projectsInnovation projects

H2020 2014-15: 5G Initiative (Actions) from Call 1 – July 01st 2015



D. Soldani

H2020 2016-17: ICT 07, 08 (5GPPP) Call 2 DL 08th Nov 2016 Phase II: Pre-structuring model www.5g-ppp.eu

TA25G

Low BandAI

TA35G

mmWaveAI

TA5Novel Radio System

ArchitectureTA1

5G Wireless System Design

TA15 (ICT 7)Open “Blue” TA

TA16 (ICT 7)CSA



TA22Access

Convergence 1

TA23Access

Convergence 2

TA24EUJ-01 1

TA26EUK-01

Application Layers

Physical Layer

Note: The size and the orientation of the TAs boxes do not indicate the potential size or manpower of future Projects

TA7

5G

for

Fu

ture

MTC

Sol

uti

ons

TA6

Sea

mle

ss I

nte

gr. o

f S

atel

lite

an

d A

ir P

latf

orm

s

TA1

7U

biq

.5G

Acc

ess

TA9

Cos

t Eff

icie

nt

Opt

ical

Met

ro

TA1

0H

igh

Cap

acit

y O

ptic

al C

ore

TA4

S

ub

syst

. for

5G

Pla

tfor

ms

TA8

Cog

nit

ive

Net

wor

k M

ngt

TA18NetApps Development and Verification Platform

TA19E2E NFV and SDN Holistic Operational Model

TA13Security, Privacy, Resilience, and High

Availability

TA12Foundations for SW Networks

TA14Multi-Tenant / Domain

Plug & Play Control Plane

TA11Converged 5G

FlexHaul Network

TA25EUJ-01 2

ICT 7 RIA ICT 8 RIA EUJ and EUK RIA ICT 8 IA

ICT-07-2017 – 5G PPP Research and Validation of critical technologies and systems - €100mn RIA (+ €3mn CSA)

Strand 1: Wireless access and radio network architecture/technologies

Strand 2: High capacity elastic - optical networks

Strand 3: "Software Network“

Strand 1: Ubiquitous 5G access leveraging optical technologies

Strand 2: Flexible network applications

Cooperation in access convergence

ICT-08-2017: 5G PPP Convergent Technologies - €40mn IA + €5mn RIA



D. Soldani

Prototype and product development

Trials

WRC preparatory process

Results from FP7 Projects contributed to ITU-R on 5G vision and requirements

ITU-R Vision and Recommendation

ONF, Open Daylight, OPNFV, Open Stack, …

3GPP Study Items

3GPP Work Items and 3GPP Releases

5G research in FP7 and in the private sector 5G PPP Phase I 5G PPP Phase III 5G PPP Phase II

2012 2013 2014 2015 2016 2017 2018 2019 2020

Release 12 Release 13 Release 14 Release 15

Winter Olympics, Korea

Summer Olympics, Japan

FIFA World Cup, Russia 2018

Release 16

Contributions to standardisation and regulatory process via member organisations in respective bodies


5G-PPP: Exploitation of reseach and innovation results


D. Soldani

Beyond 5G-PPP: European Commission “Action Plan”

Actionable recommendations endorsed by Industry to: Industry itself, the Commission, MS, and possibly financial actors (e.g. EI Bank)

Cooperation with Telco's and vertical industries to identify opportunities and barriers for investment in 5G deployment in Europe and to make (actionable) recommendations

Sept – Oct 2016: Release the "5G Action Plan for Europe" at the same time as the review of the Telecom Regulatory Framework

Working groups − WG1: 5G-enabled ecosystems, use cases and common calendar − WG2: Large scale / pre-commercial trial(s) in Europe − WG3: Regulatory environment and boosting infrastructure investment


D. Soldani

Usage scenarios of IMT for 2020 and beyond (5G)

Source: ITU R. M. [ IMT.VISION]

eMBB 20/10 Gbps

VR: the Next Social Platform —Zuckerberg keynotes in MWC2016

AlphaGo vs. Lee sedol — 4:1 Cloud access anywhere will require 1 ms latency and U-R connectivity

AI

VR

mMTC uRLLC

1ms

Enhanced Mobile Broadband (eMBB)

Ultra-Reliable and Low Latency Communications

(uRLLC)

5G Usage Scenarios

Y2025:100 billions

90B Things

10B People

106 /km2

Massive Machine Type Communications

(mMTC)


D. Soldani

Enhancement of key capabilities from 3GPP LTE to 5G

[ITU-R]

Enhanced Mobile Broadband

Massive Machine Type Communications

Ultra-Reliable and Low Latency Communications


D. Soldani

Summary of the key resolutions at WRC15 pertinent to 5G

WRC15 WRC19

10 50403020 60 8070 9054 6321

GHz

Different channel characteristics to Sub6GHz

New bands agreed for discussions in 2019

New or Harmonized bands for IMT Use

• 700MHz Band (694-790 MHz)• L-Band (1427-1518 MHz)• C-Band (3.4-3.8 GHz)

• 24.25-27.5 GHz• 31.8-33.4 GHz• 37-40.5 GHz

• 40.5-43.5 GHz• 45.5-47 GHz• 47-50.2 GHz

• 50.4-52.6 GHz• 66-76 GHz• 81-86 GHz

Cellular Bands

Sub6GHz

5 MHz 20MHz 100MHz (Proposal) 1GHz (Proposal) UMTS 5G:

> 6GHz 5G:

< 6GHz LTE

3-4GHz


WRC-15 Updates

Frequencies (MHz)

Region 1 Region 2 Region 3 EU Africa Arab C.I.S N.A L.A Asia

470-698 Y Y Y

1427-1452 Y Y Y Y Y Y Y

1452-1492 Y Y Y Y Y Y

1492-1518 Y Y Y Y Y Y Y

3300-3400 Y Y Y

3400-3600 Y Y Y Y Y Y Y

3600-3700 Y Y Y

3700-3800 Y

C-band

C-band will enable Ultra Wide Carrier Bandwidth for 5G


D. Soldani

Tera-Cell

50Gb/s Macro

100Gb/s Micro

80Gb/s E-Band link

100T OXC “Edge”

10Gb/s link speed

5G multi-tenant network and services vision

iCubwww.icub.org

Sound field

Indoor (above 6GHz)

4K stereo video binaural audio

4K/8K video24 beams

audio

Microphone arrayCamera array

Outdoor (below 6GHz)

2) Rendering and Interacting [DO

RO

: San

t’Ann

aU

nive

rsity

, Ita

ly]

5) Networking

3) Reasoning

2) Rendering and Interacting

[OR

O: S

ant’A

nna

Uni

vers

ity, I

taly

]

1) Sensing

4) Acting

4) Acting

Slice

- FULL Immersive Experience - ANYTHING as a Service

Decriptive Predictive Presciptive


D. Soldani

Network, air interface and spectrum usage evolution from 4G to 4.5G and 5G

Spectrum

Air Interface

Network Architecture

4G 4.5G 5G

6GHz 100GHz

Existing Spectrum

6GHz

Existing Spectrum

6GHz

New Spectrum + Existing Refarming

LTE LTE

256QAMMassive -MIMO

eCA (32)

LTE-MNB-IoT

LAA

eD2D

D2X……

NEWAIR

Waveform

Channel Coding

Multiple Access

Full-Duplex

Frame ……

EPCvEPC

5G Network Functions

100GHz 100GHz

Virtualization + Cloudformation(Plasticity)Virtualization


D. Soldani

5G plastic architecture and example application to static machines type of traffic

RO: Apps and Links Control Plane (C-Plane)TM-A: Apps Enforcement /MaintenanceTM-L: Links Enforcement /Maintenance

FM App: Links Data Plane (D-Plane)

5G C-Plane (Slice)

Orchestration interfaces

SDN Controller interface

5G App – SDN Controller interface

= Orchestration

= Control plane

AN CML

DHCP

AAGP

FM

Device AAL

ANDevice MTC ServerLHRE

S6a-C MTC S6b-C MTC

S11-C MTC

SGi-C MTC

Sx-C MTC

MTCC-Plane

Slice

MTCD-Plane

Slice

DeviceAccess

NetworkCore

Network

5G AN Uu

5G AN Uu

S1-C MTC

PoP = Point of Presence (e.g. small Data Center); DC= Data Center; CMP = Cloud Management Platform (e.g. OpenStack) SDN Platform = OpenFlowbased Control Platform (e.g. Floodlight); LHRE = Last Hop Routing Element

AN = generic Access Network element; CML = Connectivity Management Local function

FM = Flow Management; AAL = Authentication and Authorization (AA) Local; GP = General Purpose

DHCP = Dynamic Host Configuration Protocol function, e.g. Addresses; Sxx, Uu = 3GPP Interfaces

SDN controller

SDN controller

RA App

CM App

AA App

FM App

CM App

MM App

CMP

RA App

CMP

RA App

CMP CMP CMP

RO Mod

LHRE

LHRE

TM-A TM-A TM-A

TM-L

TM-L

PoP PoP PoP

DC DC DC DC

femtoNode

WiFi Node

xDSL Access

5G RAN

∀Access

TM-A TM-A

CMP

TM-ALHRE

Exa

mpl

e ap

plic

atio

n to

sta

tic

mac

hine

s ty

pe o

f tra

ffic


D. Soldani

End to End Slicing for 5G Communication Systems

Computing nodes (dc, PoP) SDN Controller Forwarding elements SDN Controller-Switch i/f Physical link

MACRO

FEMTO

FEMTO

PoP

SDN-C

dc

s s

PDN 1

PDN 2

PoP

PoP

AF1

dc PoP

NF2 NF3 NF4

NF1 NF5

s

s

s

s

s

s

s

s

s

s s

5G Slice 1 (C/D-Plane links) 5G Slice 1 (C/D-Plane apps) 5G Slice 2(C/D-Plane links) 5G Slice 2 (C/D-Plane apps)

s

s

s

s

s s

SDN-C

Slices

s

Plastic architecture

MICRO

FEMTO

FEMTO

AF1

AF2

AF2

MICRO

Device Triggered Network Controlled (DTNC) vs. 3GPP R13 CN Decór+ Explicit Slice Selection (ESS) and Ambiguos Slice Selection (ASS)

1. Enhanced MIB and Slice Specific SIBs 2. Slice Specific TrCHs/PhCHs 3. DTNC E/A slice selection and attach procedure

S

A D

elay

: 25%

Gai

n

Sig

nalli

ng O

H: 5

0% G

ain

S

IB B

road

cast

Rat

e (k

b/s)

: 2-3

x hi

gher

for E

/AS

S w

ith u

p to

35

Slic

es

Example with two slices: eMBB and mMTC NB: eMMB Slice not affected by load with DTNC

VF

DT


D. Soldani

Mobility Management Application (MMA) for SDN

Switch 3(Access point)

Switch 4Web

Server

Controller

Switch 2(Access point)

Switch 1

Mobility Management

Application (MMA)

M1

Flow 1 Action 1

Flow 2 Action 2

Flow 1 Action 1

Flow 2 Action 2

Flow 1 Action 1

Flow 2 Action 2

Topology Devices

M1

Flow 1 Action 1

Flow 2 Action 2

0.00

500000.00

1000000.00

1500000.00

2000000.00

2500000.00

MMA_Proactive MMA_Reactive

Dela

y (n

s)

Overall Time

Inside Controller

Inside MMA160%

• Topology: 10 Access Points, 200 active mobiles • 10 Handovers/s with random mobility

Configured flowfor mobile device before handover

SDN Control Links

Configured flowfor mobile device after handover


High band non-standalone assisted by low band

5G Macro Cell

UP: User Plane CP: Control Plane

HF Coverage HF Coverage LF Coverage

5G Small Cell

Marco Site @ Sub6GHz

Connectivity & coverage & mobility

Small Cell @ Above 6GHz

High traffic offloading

Self-Backhaul


D. Soldani

Multiple access techniques Non-orthogonal multiple access (NOMA): time and frequency resources sharing in the same spatial layer via power or code domain multiplexing, e.g. SCMA, MUSA, LDS-OFDM, etc.

SIC

= S

ucce

ssiv

e In

terfe

renc

e C

ance

llatio

n

Network NOMA: multi-user precoding

Spatial Filtering NOMA: Using 3D-BF, AAS, M-MIMO

Basic NOMA: SIC receiver

[Source CMCC]

Ex:

6 U

sers

, tw

o bi

ts m

appe

d to

a c

ompl

ex c

odew

ord,

whi

ch

are

then

mul

tiple

xed

over

four

sh

ared

orth

ogon

al re

sour

ces

(e.g

. OFD

M s

ubca

rrier

s)

SoDeMA = Software Defined Multiple Access

MPA = Message Passing Algorithm (MPA)


D. Soldani

Advanced waveforms Per-subcarrier pulse shaping: using prototype filter with steep power roll-off for shaping

subcarrier signals in frequency and/or time domain Sub-band filtering: applying filters to a group of subcarriers after OFDM modulation

Pulse shape design parametersWaveform Name

Pulse length Pulse shapes Localization

K=1 Rectangular Time CP-OFDM F- OFDM (*)

K=1 (NFFT long) Rectangular Time ZP-OFDM UF-OFDM (*)

1<= K<1.5 Various Time + Frequency W-OFDM

K=4 Long pulse Time + Frequency FBMC/QAM

Arbitrary K Various Flexible P-OFDM

(*) Additional band pass filter needed

K = 1

1 =< K <1.5

K = 4

The choice of either one of the two variants depends on the required degree of spectral and temporal confinement


D. Soldani

Filtered-OFDM (F-OFDM) Pros Multi-service with different time and frequency numerology

(e.g. CP, sub-carrier spacing (symbol duration), TTI at different carrier frequencies)

Low out-of-band emission (OOBE) Flexible frequency multiplexing Simple channel equalization Multi-antenna transmission Efficient spectrum utilization Affordable computational complexity Possibility to incorporate other waveforms Backward and forward compatibility

Cons Non-orthogonal in time and quasi-orthogonal in frequency Slightly more prone to delay-spread channels than P-OFDM


D. Soldani

Pulse shaped OFDM (P-OFDM) Pros Excellent OOB interference control and

efficient utilization of narrow frequency bands Partitioning of spectrum into independent

bands with excellent capabilities for coexistence of services in the same frequency band and spectrum sharing

Any modulation order and MIMO capability Excellent robustness against synchronization

errors Flexible frame structure with large subcarrier

spacing for high Doppler in Vehicle to Anything (V2X) communications

Short TTI length for low latency scenarios and one way ping delay < 0.5 ms

Cons Filter length may be limited by delay constrains

Operational range of 16QAM

OFDM P-OFDM


D. Soldani

V2X P-OFDM Based Low Latency Real-Time (Demonstration)

UE2 BBU

UE2 RFUE1 RFUE1 BBU

Macro BS

BS RF

BS BBU

UE2UE1

OFDM modulation CRCTx-

PPN

Turbo encoder

OFDM demodulation Turbo

decoder

USRP API

Rx-PPN

Ethernet/PCIe

Host (Baseband)

USRP X310 (RF frontend)Channel

estimation /equalization

MAC

Optimized baseband processing running on Intel platform x86_64 USRP SDR as RF frontend

Enabling D2D and cellular assisted D2D access

One way ping delay < 0.5 ms


D. Soldani

New air interface

SCMA

P-OFDM/F-OFDM

Polar Code

Full Duplex Massive MIMO

Mobile Internet Internet of Things

One air interface fits many applications with high flexibility, at least a 3x spectral efficiency improvement

AdaptiveAir Interface

Service Oriented Radio (SOR): choosing different air interface components for different applications


M-MIMO F-OFDM SCMA Polar Code

+ + +

Huawei 5G Low Band Test Bed World’s Highest Throughput @ Sub6G

10 Gbps 32

51.6 bps/Hz

18 Layers 2293.34

3441.2

4586.9 5733.6

6880.3 7453.7

8027 8600.4

9173.8 9747.1

10320.5

0

2000

4000

6000

8000

10000

12000

4 6 8 10 12 13 14 15 16 17 18

Mbps

Layer

Technology Innovations

200MHz BW


D. Soldani

Huawei 5G High Band Test Bed World’s Highest Throughput @ E-Band

9.6GHz BW

115 Gbps

Technology Innovations


D. Soldani

5G timeline

3GPP timeline: • Phase 1 by Sep 2018/Rel-15

for more urgent commercial needs (to be agreed) Deployment 2H2020

• Phase 2 by Mar 2020/Rel-16

for all identified use cases/ requirements: Deployment 2H2021

NB: New Radio (NR) design

forward compatible so that features can be added in optimal way in later releases

17/06 18/09 20/03

Rel 13 Rel 14 Rel 15 Rel 16

Rel15 WID Requirements study

WID Architecture study

WID RAN study

SA1 SA2 RAN

5G Phase 1 deployment

Rel16 WID Requirements study

WID Architecture study

WID RAN study

SA1 SA2 RAN


D. Soldani

Conclusions

5G tests and trials with Verticals essential step towards effective standardization

3GPP primary organization and others – such as, e.g., ONF and IETF – complementary Public party crucial role in early consensus (e.g. 5GPPP), policies, regulatory processes IP Rights shall not hinder 5G technologies adoption and market uptake


D. Soldani

Thank you

Copyright©2016 Huawei Technologies Co., Ltd. All Rights Reserved. The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice.


D. Soldani

References 1) X. An, C. Zhou, R. Trivisonno, R. Guerzoni, A. Kaloxylos, D. Soldani, A. Hecker, “On E2E Network Slicing for 5G

Communication systems,” Transactions on Emerging Telecommunications Technologies, July-Sept 2016. (In press.)

2) D. Soldani, “5G communications: development and prospects,” McGraw-Hill, Science and Technologies, Jun-Sep 2016. (In press.)

3) 5G PPP Infrastructure Association, “5G for Verticals,” White Paper, MWC 2016, Barcelona, February 2016.

4) H. Cao, A. R. Ali, S. Gangakhedkar, Z. Zhao, “5G V2X communication based on P-OFDM waveform,” 20th International ITG Workshop on Smart Antennas, Munich, Germany, March 2016.

5) X. Zhang, M. Jiay, L. Chen, J. May, J. Qiu, “Filtered-OFDM — Enabler for Flexible Waveform in The 5th Generation Cellular Networks”, IEEE Globecom, San Diego, CA, December 2015.

6) ITU-R, “IMT Vision – Framework and overall objectives of the future development of IMT for 2020 and beyond,” M Series, September 2015.

7) D. Soldani, B. Barani, C.L. I, R. Tafazolli and A. Manzalini (ed.), “Software Defined 5G Networks for Anything as a Service,” IEEE Communications Magazine, Feature Topic, September 2015.

8) D. Soldani (ed.), “Emerging topics: Special issue on 5G for Active and Healthy Ageing,” IEEE COMSOC MMTC E-Letter, July 2015.

9) D. Soldani, A. Manzalini, “Horizon 2020 and Beyond: On the 5G Operating System for a True Digital Society,” IEEE Vehicular Technology Magazine, Volume 10, Issue 1, pp. 32-42 March 2015.

10) R. Trivisonno, R. Guerzoni, I. Vaishnavi and D. Soldani, “SDN-based 5G mobile networks: architecture, functions, procedures and backward compatibility,” Transactions on Emerging Telecommunications Technologies, Volume 26, Issue 1, pp. 82-92, January 2015.

http://onlinelibrary.wiley.com/

http://onlinelibrary.wiley.com/

http://www.accessscience.com/

http://www.5g-ppp.eu/

https://www.events.tum.de/frontend/index.php?folder_id=224

http://arxiv.org/pdf/1508.07387.pdf

http://arxiv.org/pdf/1508.07387.pdf

http://www.itu.int/rec/R-REC-M.2083

http://www.comsoc.org/files/Publications/Magazines/ci/cfp/cfpcommag0915a.html

http://www.comsoc.org/%7Emmc/

http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7047266&filter=AND(p_IS_Number:7047264)

http://onlinelibrary.wiley.com/doi/10.1002/ett.2915/abstract

http://onlinelibrary.wiley.com/doi/10.1002/ett.2915/abstract

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Soldani_5G_Seminar_Italy15June2016_Final_Public v02