Future Radio Technologies Towards 5G:

Research Opportunities at DCE

+ RF education at University of OuluAarno Pärssinen

Professor, Radio Engineering

© Centre for Wireless Communications, University of Oulu

A view to history of RF

• Wireless telegraphy system patented by

Marconi 1896

224.8.2016

WIRELESS IN SMART PHONE

• iPhone 6 Plus Teardown(https://www.ifixit.com/Teardown/iPhone+6+Plus+Teardown/29206)

WIRELESS IN SMART PHONE

• iPhone 6 Plus Teardown

Cellular modem: LTE Cat4 (150Mbbs DL & 50Mbps

UL), HSPA+, EV-DO, TD-SCDMA)

Application processor

RFIC: 2/3/4G TRx

LB PA

HB PA

UHB PA

3G/2G PA

ET

ANT SW

MB PA

16/64/128GB NAND Flash

WLAN

BT

BT LE

PMIC other

NFC

RFIC: 4G CA TRx

PMIC WLS

ANT

tuner

PA modules incl. Duplex filters

© Centre for Wireless Communications, University of Oulu

S-o-A 2G/3G/4G RF transceiver with 8 band support

24.8.2016 5

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© Centre for Wireless Communications, University of Oulu

Industry Views on 5G

624.8.2016

Qualcomm Nokia Huawei

Ericsson DoCoMoSamsung

© Centre for Wireless Communications, University of Oulu

Nokia @5GfU conference(Nov 2014)

24.8.2016 7

What next? – 10…1000x better radio

Very high

data rate

Very high

user

densitiesMobility

Very low

energy and

cost

Very low

latency

Evolu

tion o

f In

tern

et

© Centre for Wireless Communications, University of Oulu

Competences of a modern RF engineer

Fundamentals

• Understand various applications of radios

• Master very well basic principles of

communications

• Master very well basics of electronics design

• Excel in fundamentals of RF from Smith chart

and matching to noise and non-linearity

• Prototyping and measuring RF

• Computer tools for electronics design

924.8.2016

© Centre for Wireless Communications, University of Oulu

Competences of a modern RF engineer

Advanced

• RF transceiver architectures

• RF system design and block level partitioning

• RF control algorithms

• IC design

• Communication circuits (LNA, PA, mixers, filters, amplifiers, ADCs, DAC’s,

VCO’s, PLL’s, digital for RF, …)

• Antenna design

• Radio propagation

• Various implementation technologies: fundamentals and their boundaries

(CMOS, BiCMOS, SiGe, HBT, GaN, SAW, BAW, PCB, …)

• Material physics in some cases when closely involved to electronics

• Digital signal processing for wireless

• Embedded programming

• …

1024.8.2016

© Centre for Wireless Communications, University of Oulu

Competences of a modern RF engineer

Capability to co-operate and learn new things

• With and from your close colleagues

• In cross-disciplinary topics

• On your own

Team work

1124.8.2016

© Centre for Wireless Communications, University of Oulu

RF courses in WCE program

Basic Module, 40 ECTS, all courses obligatory

– 521335S Radio Engineering I, 5 ECTS

Advanced Module, choose 16-21 ECTS

– 521375S Radio Engineering II, 6 ECTS*

– 521380S Antennas, 5 ECTS#

– 521386S Radio Channels, 5 ECTS#

Optional Module (Elective Studies), must be chosen at least 16-21 ECTS

(depending on size of advanced module)

– 521225S RF Components and Measurements, 5 ECTS

– 521443S Electronics Design II, 5 ECTS (*

– 521435S Electronics Design III, 6 ECTS (*

– 521410S Special Course in Electronic Design, 4-7 ECTS (*

– 521318S Modern Topics in telecommunications and Radio Engineering,

3-7 ECTS (whenever topic applicable)

– 521332S Computer Aided Circuit Design, 5 ECTS (*

1224.8.2016

*) fundamentals of electronics/transistor circuits required as prerequisite

RF architecture trade-offs

from electronics perspective

Noise Power

Frequency

GainSupply

Voltage

Linearity

Form factor

# of ASIC’s and ANT

Technologies

System variants

Interfaces

Cost

Total power

Control complexity

Tuning/control range

Simultaneous usage

System performance

Source: RF design hexagon from B. Razavi, RF Microelectronics