Download Hiroshi Tsuji, KDDI

Device Technologies
to accelerate Cellular IoT
25 th Nov. 2016
Hiroshi Tsuji
General Manager
Product & Device Technology Department
Kicking into high gear toward IoT
Rapid Growth of the Number of Things Connected to the Internet.
Source: Cisco IBSG, 2013
1
Why didn’t the IoT market expand
until now?
2
LPWA (Low Power Wide Area) is boosting IoT
Low Power (Consumption)
Wide Area (Coverage)
Extended Battery Life
Long-Range
（10years / 2 AA Batteries)
More accessibility to
Non-residence area and underground
Easy Installation Everywhere
and
Low Cost
3
1. Standardization Activities for IoT
2. Technologies to accelerate IoT
3. Technologies to commercialize IoT devices
4
1. Standardization Activities for IoT
2. Technologies to accelerate IoT
3. Technologies to commercialize IoT devices
5
3GPP - Standardization Activities
~2012
2013
~Rel-11
Rel-12
2014
Rel-13
2015
2016
Rel-14
Throughput
(Downlink)
Cat-16
1Gbps
Cat-4
150Mbps
Cat-17
Over 1Gbps
Time
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3GPP - Standardization Activities
~2012
2013
~Rel-11
Rel-12
2014
2015
2016
Rel-14
Rel-13
Throughput
(Downlink)
Cat-16
1Gbps
Cat-4
150Mbps
Cat-17
Over 1Gbps
Time
Cat-1
10Mbps
LPWA
Cat-M1
800kbps
Cat-NB1
21kbps
7
Comparison of Specifications
Low Speed
Low Power
Wide Area
High Speed
Throughput
Cat-4
(w Rel.13)
Cat-M1
(LTE-M)
Cat-NB1
(NB-IoT)
Cat-1
Throughput
(DL/UL) bps
150M/50M
10M/5M
1M/1M
29K/63K
Battery Life (*1)
need
large battery
need
large battery
(10 years)
~10 years
over 10 years
Coverage (Cell radius)
5km
5km
10km
15km
Module cost (*2)
1
1/2
1/4
1/4-1/5
*1) in case of using 2 AA batteries (Depending on applications, environment and etc.)
*2) source: TSR 2016 Cellular Broadband Device & Module Market
8
Service Image by Each Category
Text
Data
MOVIE
High Speed
Throughput
Low Speed
Low Power
Wide Area
Low Cost
9
1. Standardization Activities for IoT
2. Technologies to accelerate IoT
3. Technologies to commercialize IoT devices
10
Technologies to accelerate IoT
i.
How to Lower Power Consumption ?
ii. How to Widen Area Coverage ?
iii. How to Lower Cost ?
11
Technologies to accelerate IoT
i.
How to Lower Power Consumption ?
ii. How to Widen Area Coverage ?
iii. How to Lower Cost ?
12
Technology to achieve Low Power Consumption
Power On
Technology development
of idle state
Connected
State
Newly defined state
for LPWA
Idle
State
Power Saving
State
Periodically available
for incoming call
not available
for incoming call
13
Current Power Consumption
Receive a page
and establish a call
Current
Access to the network
1.28 second cycle
Time
14
Technology to achieve Low Power Consumption
eDRX : Extended Discontinuous Reception
Extending incoming interval enables low power consumption
Current
Receive a page
and establish a call
Access to the network
Max 174 mins cycle
LTE-M : Max 43mins
NB-IoT : Max 174mins
Time
15
Technology to achieve Low Power Consumption
PSM: Power Saving Mode
Transitioning to a state that doesn’t receive incoming call
enables low power consumption
Current
page
Max 13 days
cycle
Attach to the network
LTE-M and NB-IoT
Max 13 days
(310 hours)
Time
16
Technologies to accelerate IoT
i.
How to Lower Power Consumption ?
ii. How to Widen Area Coverage ?
iii. How to Lower Cost ?
17
Technology to achieve Wide Area
CE: Coverage Enhancement
This technology increases the reception rate in weak field areas
by transmitting the same data repeatedly
Send data only once
(in case of stable environment)
ex. Smart meter
ShortDistance
LongDistance
Distance
18
Technology to achieve Wide Area
CE: Coverage Enhancement
This technology raise a reception rate in a weak field area by
transmitting same data repeatedly
Restoration to
original data
ShortDistance
LongDistance
Distance
19
Technologies to accelerate IoT
i.
How to Lower Power Consumption ?
ii. How to Widen Area Coverage ?
iii. How to Lower Cost ?
20
Reducing the number of components
Amplifier
Tx
Duplexer
MIMO Antenna
Rx
Full Duplex
Amplifier
Tx
Switch
Single Antenna
Rx
Half Duplex
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Optimizing the performance of components
Throughput
High
Online GAME
Memory
Low & Small
High & Large
Hardware
Performance
& Capacity
MOVIE
Text
Data
Memory
Low
22
1. Standardization Activities for IoT
2. Technologies to accelerate IoT
3. Technologies to commercialize IoT services
23
Technologies to commercialize IoT Devices/Services
Various Sensors
, GPS(GNSS)
, Image recognition
, Humidity and etc.
Low Cost
Small Size
Source: Altair Semiconductor Corp.
Low Power Consumption
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Technologies to commercialize IoT devices
0.4 x 0.2mm / unit
Minimization
of Passive Components
(Resistor, Capacitor, etc.)
Downsizing
and
Lightening
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Technologies to commercialize IoT devices
mm
SESUB: Semiconductor Embedded in SUBstrate
Multi-Layers technology to minimize modules
mm
- 83%
space-saving
design
mm
mm
Buit-In IC
Source: SESUB - Technology Introduction 2016 October
TDK Corporation
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＋ Our Partners
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