Post on 15-May-2018
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
Dig
ita
l sig
na
l p
roce
ssin
g
imp
lem
en
tin
g w
ire
less a
lgo
rith
ms
© 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