Seminar of Providence University- Telematics by Frank Chee-Da Tsai
1. Telematics and its industry status quo
2. System technology and development trend
3. Seamless mobility environment
4. Well-furnished infrastructure
5. Applications of smart driving
2. 2
Speaker
Frank C. D. Tsai is currently an advisory engineer and director at
the Emerging Smart Technology Institute (ESTI) of Institute for
Information Industry (III). Before the incarnation of ESTI on the
first day of January, 2009, he was a senior manager and deputy
director at the Networks and Multimedia Institute (NMI) of III,
responsible for WiMAX development. Prior to joining III, he was
a research scientist of Telcordia, Inc. (formerly Bellcore), a senior
member of technical staff of AT&T Labs., and a research staff of
IBM Zurich Research Lab. He was involved in various data
communications and telecommunications technologies and
service developments in his prior professional incarnations. He
received the B.S. degree from National Chiao-Tung University
(NCTU), Taiwan, and the Ph.D. degree from the Courant Institute
of Mathematical Sciences (CIMS), New York University (NYU),
both in Computer Sciences.
(*) III is a non-profit organization receiving fund mainly from Ministry of
Economic Affairs and acts as a government think tank and also involves in ICT
research and development. http://www.iii.org.tw
3. 3
Disclaims
• The presentation shares the
view of ONLY the speaker.
• It does NOT represent III’s
position, NOR does it bind III to
–commit to do something, or
–admit having done something.
~ Frank C. D. Tsai
11. 11
綠色城市便捷交通成趨勢
• 日本、歐洲及美國;啟動動態導航,積極從事DSRC based V2I/V2V研究和演試
• 各大車廠提供以車為主的車載服務
• 南韓濟州島(U-City):以旅遊服務科技化為主軸,u-traffic、u-museum、u-park、u-coupon為
推動目標,目前完成車用即時資訊與停車資訊系統、博物館RFID語音導覽等建置,協助提升
當地觀光旅遊便利度。
• 日本: 複合運輸資訊查詢,最大服務業者Navitime提供以步行者為中心的複合交通資訊查詢與
應用,目前於日本已吸引超過250萬個付費用戶。
• 斯德哥爾摩、新加坡:自實施收取道路擁擠費用,道路車輛總量減少45%,有效降低道路交通
擁擠程度。
• 美國、歐洲&南韓:今年與CISCO等廠商陸續進行綠色城市便捷交通、個人旅遊規劃等規劃
Mobile Working
Enhancement
Smart Development:
Integration of
Transport
and Land Use
Smart Transportation
Smart Work
Center
Connected
Work Center
Connected
Station
Connect
ed Bus
Stop
IP Bus
Connected
Transit
Complex
Low-
Emission,
HOV
Vehicles
Smart
Congestion
Area-
wide
Vehicle
Trackin
g
Smart
Parking
Manageme
nt
Area-wide, Time-based
Flexible Road Pricing
?
Intelligent Decision
Support
Personal
Activity
Coordinator
Connected
Bus
Passenger Service
Experience Improvement
Transform urban mobility &
transportation patterns
Enhance citizen
engagements
Personal Travel
Assistant
Rich Ubiquitous
Connectivity
Connect
ed
Bicycle
Modal Shift Encouragement
to Public Transport
Smart Transportation
Pricing
Source: partially adapted From CISCO
18. 18
Total value of electronics in vehicle will increase
from 19% to 40 % of that of the whole vehicle
Sustainable
Intelligence
Safety
智慧化、數位化、網路化
Turning of
passive
protection into
active
prevention
With
electronics to
meet the
needs for
information &
control
Future direction for vehicle
industry
Better protection of human
life (safety)
More environmentally
friendly vehicles (sustainable)
More provision of intelligence
on wheels (comfort and
convenience )
Rise of oil price
and sense of
environmental protection
Source: Teema,資策會網多所整理,2008/01
21. 21
…So is the Trend of Telematics Platform
Even more important when safety enhancement is a main push
Source: BMW R&D (GST Forum)
RDS-TMC DSRC
VPS-ETC ……..
42. 42
42
IOT -- M2M -- C2X願景: Connected
資料來源: Oki Electric (2007)
Intelligent Cooperative System
Any clients (e.g. vehicles, handheld devices) can connect to the network (e.g. infrastructure and
centres), and collaborate with each other to achieve great improvement of safety,
traffic efficiency, energy saving, CO2 emission reducing, and comfort/convenience
in vehicular environments < <dopted from CVIS>
43. 43
Range (ft)
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3200
3400
3600
200
400
600
800
Which DSRC
– using USA-DSRC Performance Envelope as an example
Data
Rate
(Mbps)
33
30
27
24
21
18
12
9
6
3
0
54
~
~
0.5 Mbps
902 - 928 MHz Band Performance Envelope
5850 - 5925 MHz Band
Performance Envelope
Emergency Vehicle Services
Safety Message Services
Data Transfer and Internet
Access Services
Toll and Payment Services
(Approximate)
ETC
Multimedia
Safety
56. 56
Comparison of TDMA and CDMA
• Define appropriate Traffic
Number of Access Method of
TDMA and CSMA
• Current DSRC Access Method is
CSMA/CA, based on
IEEE802.11 Series (There
Traffic Number must be less than
30% in CSMA )
• TDMA Access has better
performance in Heavy Traffic
Conditions (However, TDMA is
required precise Synchronization
between vehicles and RSUs.)
Source: IEICE 2008/Sept.15 (p154-155)
Toyota Central R&D Labs
63. 63
雙模無線車路整合先進號誌警示系統(V2R)
In-Vehicle
Device
Warning
Sound
Vehicle
Information
DSRC + 3G/4G
dual-mode
Wireless
communication
Traffic
Signal
Controller
(SPAT)
Dual-mode Radio
Assisted
SPAT Warning System
Diagram
Communication
module Information
Collection
Dilemma zone
prevention &
warning
Information
Collection
Communication
module
• 依據ITS之標準通訊協定NTCIP,設計並實作SPAT與RSU間之資訊傳遞的介面
• 納入SPAT之即時資訊參數,設計一套在車機上即時運算並符合雙模通機制,之
Dilemma Zone Prevention Algorithm
期望透過此兩交通專業領域之項目的研究及開發,順利完成雙模通訊應用在交控管
理系統及資訊傳遞上的應用,提升使用者充足的決策時間以避免碰撞產生,增加行車
安全。
• 資策會智慧所[創新前瞻計劃]主要開
發各元件上之通訊軟體與相關演算法:
•Information collection function
(SPAT&OBU)
•Communication module (RSU&OBU)
•Dilemma zone prevention (OBU)
密西根州交通廳官網官網: http://www.michigan.gov/mdot/0,1607,7-151-9621_11041_38217-244798--,00.html
64. 64
猶豫區間Dilemma Zone估算&警示
• Dilemma Zone Problem Estimation:
– Current Speed, Current Distance to Stopline
– Predictive Speed, Predictive Distance to Stopline
• α-β-γ Kalman Filter
90
92
94
96
98
100
400 500 600 700 800
Accuracy
(%)
Activation Distance(m)
3s
4s
5s
Sys.
65. 65
• Dual-Mode Communication
– DSRC per 0.1s (10Hz)
– Cellular per 3s
• Dilemma Zone Prevention
– General Algorithm
– Prediction
• SPAT Location-based service
–
Communication Model and Scenario
□ Signal status considered
□ Green
□ Yellow
□ All-Red
1000 m 500 m
Internet Cloud
(LBS Server)
DSRC Antenna
Cellular Antenna
Broadcasting SPAT
DSRC radio channel
(10HZ)
3G/4G radio channel(3s)
OBE
Signal
Controller
RSE
Check the
SPAT is the
latest and the
right
information for
driver by his
location.
66. 66
實作圖示
• Signal Phase:
Shows the status of the signal
display
Warning
message
your
current
speed
Shows the
distance to the
front
Intersection
Geometry
&Position
Information:
shows the map
around and the
position you are
A countdown of
the remaining
time of the
phase
Network status: it
shows when the
network works
• System start and close button
Here you
are!
• Setting button: Set preference
and default value
68. 68
行車碰撞預警技術 (V2V)
• 支援標準SAE J2735訊息集。
• 支援SCH/CCH同步傳輸。
• 支援複雜路況 (如: 彎道、同、對向過濾)。
• 支援Kalman Filter定位校正。
國內首例應用DSRC之車間通訊網路(VANET)所實作之協同式行車安全技術
利用WAVE/DSRC通訊協定進行無線通訊的資料傳輸
不需要Infrastructure的佈建、低成本、適用於各種情況之路口避碰
UDP streaming on SCH
J2735 BSM on
CCH
• Exception filtering
– Same way (same lane and
different lanes)
– Elevated road
• Curve road supporting
• Mobile relaying
– Broadcast storm prevention
Hop-limit
Direction forwarding
Geographic forwarding
Real GPS signal
w/ map-fixed Initial Conditions
Time Update
1
ˆ
k
X
State Update
(Kalman Gain)
1
ˆ
k
X
Measurement
Input k
U
1
k
Z
If GPS measurement
is available at time k
No GPS
measurement at
time k
1 1
ˆ ˆ
k k
X X
Using extended Kalman Filter to predict location and
correct GPS errors (Tri-KF Algorithm)