22
5G Mobile Communications Key Enabling Technologies and Recent R&D Results © 2016 Samsung Electronics

5G Mobile Communicationstyrr2016.cnit.it/tyrr-content/uploads/5G-Mobile-Communications_Key... · 5G Mobile Communications ... Pathloss Cal. 1 10 50 100 150 250 60 70 80 90 100 110

  • Upload
    vuminh

  • View
    220

  • Download
    2

Embed Size (px)

Citation preview

5G Mobile Communications Key Enabling Technologies and Recent R&D Results

© 2016 Samsung Electronics

© 2016 Samsung Electronics

Innovation of Mobile Communications

2G 3G

4G

5G

BW

Peak Data Rate

RAT

NW

200 kHz 1.25 MHz

115.2 kbps 307.2 kbps

GSM CDMA

Circuit Switched Network

5 MHz

2.048 Mbps

WCDMA

Packet Switched Network

20 MHz

150 Mbps

OFDMA

All-IP Network

Legacy Bands + mmWave Bands

Up to 20 Gbps

Post-OFDMA

Software Defined Network

© 2016 Samsung Electronics

5G Service Vision

Immersive Experience

Giga-bit data rate Ultra low latency

Everything on Cloud

Giga-bit data rate Ultra low latency

Tele-Presence

Giga-bit data rate Ultra low latency

Ubiquitous Connectivity

Massive connectivity Ubiquitous coverage

© 2016 Samsung Electronics

5G Service Scenarios

© 2016 Samsung Electronics

5G Use Cases & Requirements

※ ITU-R document 5D/TEMP/625

Peak 20 Gbps Edge 100 Mbps

eMBB enhanced Mobile-Broadband

10-9 Error-rate 1ms Latency

UR/LL Ultra-Reliable & Low Latency

106 Connections/km2

10 year Battery-life

mMTC massive Machine-Type Communications

© 2016 Samsung Electronics

New Spectrum Opportunities

“Below 6 GHz” and “Above 6 GHz” Spectrum Bands Considered for 5G Much larger bandwidths available in spectrum bands above 6 GHz FCC NPRM : 28 / 37 / 39 / 64-71 GHz considered for mobile radio services

Below 6 GHz Above 6 GHz

APT

CEPT

CITEL

RCC

ASMG

1427 -1452

1492 -1518

1427 -1518

1427 -1518

1452 -1518

3400 -3800

3400 -3600

5925 -6425

3400 -3600

10 -10.45

23.15 -23.6

24.25 -27.5

27.5 -29.5

31.8 -33

37 40.5

45.5 -47

47.2 -50.2

50.4 -52.6

59.3 -76

24.5 -27.5

25.25 -25.5

31.8 -33.4

31.8 -33.4

39 -47

47.2 -50.2

50.4 -52.6

66 -76

81 -86

40.5 -43.5

45.5 -48.9

66 -71

81 -86

81 -86

71 -76

25.5 -27.5

31.8 -33.4

39.5 -40.5

40.5 -41.5

45.5 -47.5

48.5 -50.2

50.4 -52.6

66 -71

71 -76

31

6-20 20-30 30-40 40-50 50-60 60-70 70-80 80-100 - 6

MHz

GHz Single band implementation for few giga-herts range exptected

© 2016 Samsung Electronics

mmWave Challenges and Opportunities

Larger path-loss at high frequency bands Atmosphere loss, rain attenuation, foliage blocking Outdoor-to-indoor penetration loss Semiconductor readiness, PA efficiency, power consumption

Samsung developed the world’s first mmWave mobile prototype to verify the feasibility of mmWave mobile communications Global collaborative effort on mmWave channel modeling

Path Loss Model in Urban Environment

© 2016 Samsung Electronics

mmWave Channel Modeling

Leading Channel Modeling Activity toward Outdoor Cellular Deployment Gbps data rate support envisioned by mmWave propagation analysis

Universities & research centers NYU, USC, KAIST

Research projects 5G PPP mmMAGIC, COST IC1004

Standard Rapporteur on 3GPP 5G Channel Model SI

for > 6GHz NYU campus

Calibration

1 2 3 4 5 6 7 8 9 100

10

20

30

40

50

60

70

80

90

100

Measurement Index #

Angula

r S

pre

ad

Angle Spread Comparison @ New York

NYU Measurement

New York Ray-Tracing

50 80 100 150 200100

110

120

130

140

150

160

170

Distance between transmitter and receiver (m)

Pa

th L

oss (

dB

)

Comparison of propagation models : 28GHz

Measurment Samples - NYU Campus

Measurement-based Pathloss Model (NLoS)

Ray-tracing Samples - NYU Campus

Ray-tracing-based Pathloss Model (NLoS)

Channel modeling

Pathloss Cal.

1 10 50 100 150 25060

70

80

90

100

110

120

130

140

150

160

Distance [m]

Path

Loss [

dB

]

n,Synthesized Omni-NLoS

= 6.08dB

Synthesized Omni-NLoS

nSynthesized Omni-NLoS

= 3.58

0 50 100 150 200 250 3000

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

RMS Delay Spread [ns]

Cu

mu

lative

Dis

trib

utio

n F

un

ctio

n (

CD

F)

Delay Spread in NLoS

E[DS

Daejeon

] =55.4292 ns

E[DS

Alpensia

] =60.4132 ns

Measurement (Daejeon NLoS)

Modeling (Daejeon NLoS)

Measurement (Alpensia NLoS)

Modeling (Alpensia NLoS)

0 20 40 60 80 100 1200

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

AoA spread [deg]

Cu

mu

lative

Dis

trib

utio

n F

un

ctio

n (

CD

F)

RX Azimuth Angle Spred in NLoS

E[AoA spreadDaejeon

]=31.3912o

E[AoA spreadAlpensia

]=43.1066o

Measurement (Daejeon, NLoS)

Modeling (Daejeon, NLoS)

Measurement (Alpensia, NLoS)

Modeling (Alpensia, NLoS)

Angle Spread Cal.

Pathloss Model Delay Spread Angle Spread

TX

TX

Measurement Campaign

2018 Winter Olympic Resort

Tx

NLoS Rx

28 GHz Channel Sounder

[TX]

[RX]

© 2016 Samsung Electronics

mmWave Testbed / Chipset Development

World’s 1st mmWave Testbed and Antenna/RFIC for Mobile Device

5 mm

25

mm

42 mm

56

mm

Beamforming CMOS RFIC / GaAs FEM

28GHz Array Antenna Module

© Samsung Electronics. All Rights Reserved. Confidential and Proprietary.

Handover

10

Start/End

Point

Base Station RFU

2.5 mm

Mobile Station RFU

mmWave Multi-Cell Handover with 3 Test Base Stations

© 2016 Samsung Electronics

World’s 1st mmWave Multi-Cell Handover

Handover Tests in 3-Cell Network (Average ISD : 178m) Handover Latency of 21 ms with Fast Adaptive Hybrid Beamforming Average Throughput of 1.67 Gbps at Driving Speed of 25 km/h

© 2016 Samsung Electronics

5G New Waveform (Post-OFDM)

Efficient spectrum utilization examples Well-localized spectrum

Efficient spectrum usage for multiple services

Post-OFDM Multicarrier Technology Spectrum efficiency enhancement and flexible spectrum utilization through new waveform design

4G Waveform

5G New Waveform

Po

wer

Sp

ectr

um

Frequency

Po

wer

Sp

ectr

um

More services available!

Wasted spectrum

4G LTE Waveform

5G New Waveform

84.1%

97.9%

61.1%

91.2%

5G New Waveform

4G LTE Waveform

5G New Waveform

4G LTE Waveform

System Bandwidth

Spectrum Utilization

Spectrum Utilization Smart Meter

Smart Vehicle

UHD Streaming

Service-specific commun. in a limited freq. band Need for a new waveform enabling efficient spectrum utilization

© 2016 Samsung Electronics

QAM-FBMC : A Post-OFDM Multicarrier Technology

(In Frequency) (In Time)

OFDM

Post-OFDM multicarrier technology Well-localized spectrum by per-subcarrier filtering QAM transmission

Main benefits Well-localized spectrum Efficient coexistence with other RATs Time/frequency overhead reduction Enhanced spectral efficiency

Spectrum fragmentation performance test RB-unit in-band spectrum nulling Spectrum comparison between OFDM and QAM-FBMC Interference suppression gain (>23dB) against OFDM

5G New Waveform (Post-OFDM)

QAM-FBMC

© 2016 Samsung Electronics

Power Efficient Modulation : FQAM

Combines the Virtues of QAM and FSK modulation Energy efficient & good performance in a low SNR region, useful for coverage extension Low PAPR when combined with OFDMA due to small number of active subcarriers

Freq

4-FSK 16-FQAM4-QAM

S1S2

S4S3

A QAM symbol transmission on a single tone selected among a group of tones

Inherits the energy efficient nature of FSK Low PAPR when combined with OFDMA

© 2016 Samsung Electronics

Low Complexity Channel Coding : LDPC

A Promising Channel Coding Scheme for Multi-Gbps Support with Low Power Consumption 5G peak data rate is 10 Gbps to 20 Gbps Low power consumption and small implementation area is essential

LDPC shows 10 times lower power w.r.t. Turbo LDPC shows 5 times smaller area for decoder implementation

[1] M. May, T. Ilnseher, N. Wehn, and W. Raab, "A 150Mbit/s 3GPP LTE tubo code decoder," in Proc. DATE, Mar. 2010. [2] S. Belfanti, etc., "A 1Gbps LTE-advanced turbo-decoder ASIC in 65nm CMOS," in Symposium on VLSI Circuits Digest of Technical Papers, 2013. [3] Y. Sun, J.R. Cavallaro, "Efficient hardware implementation of a highly-parallel 3GPP LTE/LTE-advance turbo decoder," INTEGRATION, the VLSI journal, 2011. [4] M. Weiner, B. Nikolic, and Z. Zhang, "LDPC decoder architecture for high-data rate personal-area networks," IEEE Symp. Circuits and Systems, 2011. [5] S.-Y. Hung, etc., "A 5.7Gbps row-based layered scheduling LDPC decoder for IEEE 802.15.3c applications," IEEE Asian Solid-State Circuits Conference, Nov. 2010.

Turbo

LDPC

ASIC Process

10 times

10

100

1000

10000

0.1

1

10

100

Turbo

LDPC

5 times

© 2016 Samsung Electronics

Massive MIMO Technology

FD-MIMO with Massive Antenna Technologies 2D array based adaptive beamforming at the base station

Higher-order MU-MIMO with 3D beamforming

3D-Beamforming Elevation and azimuth beamforming Full-dimension MIMO/BF support with 2D massive array

Higher-order MU-MIMO Increased order of Multi-users

supported simultaneously

Support of larger number of antenna ports MIMO/beamforming enhancements for both TDD & FDD

© 2016 Samsung Electronics

Massive MIMO Technology

FD-MIMO High order (≥8 UEs) MU-MIMO demonstration by FD-MIMO System at 3.5 GHz

LTE pre-release small-cell FD-MIMO 20MHz BW TDD @3.5GHz, 32-TRX ports

Compact eNB with fully integrated array antenna, RF, and baseband

Novel antenna calibration network and compact array architecture

Support of adaptive 3D-Beamforming and high-order MU-MIMO

Support of multi-user MIMO up to 8~12 UEs simultaneously

High-order multi-user MIMO with FD-MIMO PoC 12-UE MU-MIMO indoor test: 422Mbps DL

aggregated throughput

Realtime demo at NIWeek2015 (Aug. 2015, Austin TX)

Inside (RF/Antenna Board)

30 cm

50

cm

© 2016 Samsung Electronics

5G Flexible Network Architecture

Flexible Architecture based on SDN and NFV Virtual NW function : easy upgrade by software change Scalable/flexible architecture : dynamic instantiation of NFs

Flexible Function Location Support for low latency applications

Flexible Architecture Support divergent network requirements

Open network API Network as a platform for innovative service

© 2016 Samsung Electronics

5G Flexible Network Architecture

Network Slicing using NFV/SDN technology Enable logically independent networks for different services Support divergent requirements by instantiating required network functions on demand

OTT can manage the end to end connection by leasing the slice UE may access multiple slices based per App’s needs

MTC

UR/LL

vCN (MBB)

vCN (UR/LL)

vCN (MTC)

MBB

Virtual Bandwidth

Virtual Radio Resource

1) RAN Virtualization 2) Network Virtualization (using SDN)

3) NFV with Orchestration 5G BS

Default Slice

OTT Slice

Internet

Operator

$$$

5G Core Cloud

APP OTT A

OTT A

© 2016 Samsung Electronics

Expected 5G Timelines

Standardization and Spectrum Allocation

2015 2016 2017 2018 2019 2020

< 6GHz SI

> 6GHz SI RAN 5G

Workshop

'15. 9

Rel-15 Rel-14 Rel-13

'17. 6 '16. 3

WRC-15

Rel-16

'19.12

Further Enhancements < 6GHzWI

> 6GHz WI

'18. 9

IMT-2020 Specification

Channel Model SI

5G Standards 5G Phase I 5G Phase II

Tokyo 2020

WRC-19

© 2016 Samsung Electronics

Global 5G R&D Activities

Global 5G Initiatives with Samsung’s Active Engagements

5G Forum Executive Board Member

Member of Giga KOREA Project

IMT-2020 Promotion Group

Member of Future Forum

Contributor to 863 Project

NYU Wireless Center (Board Member)

Proposed NPRM (28/37/39/64-71 GHz)

5GMF (5G Mobile Promotion Forum)

5G PPP Association (Full Member) Leading and Participating the EU Flagship 5G Projects

5GIC Founding Member

Thank you

© 2016 Samsung Electronics