High Mobility Broadband Radio

Transcription

Enabling Positive Train Control
OpenISDM Project members only.
Do not distribute.
A Wireless Fabric for Next Generation Railroads
Products and Solutions
Jia-Ru Li
Lilee Systems
08/15/2011
[email protected]
About Lilee Systems
Located in heart of Silicon Valley
Communications products and systems
supplier for rail and transit markets
Core competencies




Lilee Mobility Controller for Back Office
RF design and systems
Voting Member for several years for both
• 802.11 WLAN
• 802.16 Wimax

220 MHZ BCP w/ Integrated CMU
Mobile networking and routing
Network convergence for fixed and mobile
Experienced in 3G cellular core network
Partner with Wistron for manufacturing strength
Project management & system integration


2
220 MHZ MCP w/ Integrated CMU
Lilee Systems - Confidential
Lilee Product Solutions
Back office
Server
Dispatch
System
Mobility
Controller
Office
Field
Base Station
Yard Unit
PTC
On-board
Computer
3
Locomotive
Wayside
TransAir Product Family
TransAir PTC Family





TransAir Wayside
TransAir Locomotive
TransAir Base Station
TransAir Mobility Controller
TransAir WMS Family (Q32011)


4
TransAir WMS with x86 CPU
Integrated Onsite Testbed
Attenuator
Power Meter
Locomotive Radio
Packet Generator
To TMC
To BOS
LMC
IP Router/Switch
To WIU
Base Station Radio
Wayside Radio
Lilee equipment
Backhaul
Test equipment
5
Real World Validation in Rain & Fog
Mobile (3 watt)
Base
station
Mobile (10 watt)
15.9 Km
29.8 Km
15.9 Km
29.8 Km
Both uses 3 dbi Omni Antenna(5ft), cable 15 ft
6
Multipath –
Risky to assume radio is a drop-in installation
TX power: 30 watt
Distance:
6.5 Km
Line of sight: yes
pkt loss: some packet loss
Terrain: Mountain
(multipath)
Base
TX power: 8 watts
Distance:
16 Km
Line of sight: yes
Pkt loss: no packet loss
Terrain: small buildings
Mobile
Lesson Learned : Multipath affects required TX power significantly
7
Note: Tests was done on the same day but 2 hours apart
Lilee is the Pioneer in IP Mobility
8
TransAir Mobility Controller
Lilee Mobility Controller (LMC)





Seamless roaming to hide the locomotive movement from the Internet host. The
on board computers and passenger Internet appear to be stationary
Topology agonistic to hide the complexity of underlying layer 2 or layer 3 IP
network. User traffic is tunneled from remote wayside to control center
Fast handover of less than 50ms during roaming
Integrated network management system for centralized provisioning, monitoring,
and management (including SNMP)
Ethernet 1/2
w/ bypass
Console
9
Management
Ethernet
LCD display for IP address
Ethernet 3/4
w/ bypass
Knob for
Ethernet 5-8 config change
Key Differentiator – Centralized mgmt GUI
10
Key Differentiators-Software Defined Radio

The locomotive unit is a full functional equipment with







220 MHz software defined radio
3G interface
WIFI interface
GPS in/out
Two ethernet ports
Two Serial ports
TransAir 220 MHz locomotive radio w/
Integrated CMU in 4MCU form factor
USB
Flash
SDR-Software Defined Radio
220Mhz
Console
GPS
Ethernet
1pps in/out
Serial
Wi-Fi
DC 12V
3G
11
TransAir PTC Base Station


Hardened 19” rack mount base station for bungalow installation
Perform routing & switching between interfaces




3G interface for alternative traffic routing and remote console
WIFI interface for bungalow device traffic aggregation
RS-422/485/232 for bungalow device connectivity
GPS clock and 1PPS output/input for time sync in bungalow
TransAir 220 MHZ base station radio w/ centralized management
DC 12V
3G Wi-Fi
(usb flash)
220Mhz
12
1pps in/out
Serial
GPS
Ethernet
Console
TransAir PTC Wayside

Remote console mode for debugging at wayside

WiFi link for data aggregation within bungalow

Support for external satellite radio modem through serial or 2nd Ethernet port

Redundant 220MHz antenna for diversity

Built-in GPS receiver. 1PPS in/out to learn external clock source or deliver clock to WIU

AES encryption and policy based filter and Access Control List
TransAir 220 MHZ wayside radio w/ policy based routing and security filter
DC 12V(usb flash) 3G Wi-Fi
GPS
220Mhz
13
Serial
1pps in/out
Console
Ethernet
TransAir Wayside Message Server

Wayside Message Server (WMS)





Remotely managed L2/L3 switch (6/10port copper/fiber)
Max of 4 port RS-232/422/485
Built-in x86 CPU remotely managed through Ethernet
Wireless interfaces (optional)
Environmental: -40C~+70C
TransAir Wayside Message Server with legacy protocol & interface support
x86 CPU
12V DC
14
Giga Ether
Giga Fiber
RS-232/422/485
Sync Serial
TransAir Yard Radio

Rugged IEEE 802.11 a/b/g radio

Supports standalone mode managed by GUI or centralized mode managed by LMC

Supports WEP/WPA/WPA2/802.1x and access control list

Supports fast roaming for seamless wireless connections

IP-67 (waterproof & dust resistant) with railway certification (EN-50155 & EN-50151)

Two redundant 12 Volt power supply inputs and one 48 Volt PoE input
15
Antennas and Accessories
Frequency Range: 213-223 MHz
Gain: 3 dBi Polarity: Vertical/Omni Max VSWR: 1 : 1.7
IPT-OMB-3-NF
Power Input: 75 watts CW, 100 watts intermittent
Connector: NF custom connectors available
Dimensions: 2.5” x 42”
Gain: 7 dBi Polarity: Vertical/Omni Max VSWR: 1 : 1.5
IPT-OMB-7-NF
Dimensions: 25” x 84″
IPT-LM-200-1-NF Gain: 1dBi Polarity: Vertical/Omni Max VSWR: 1 : 1.6
(locomotive)
Dimensions: 25”” L x 4” W x 2.5” D
ITP-BDB-9-NF
Gain: 9 dBi Polarity: Vertical/Sector Max VSWR: 1 : 1.7
Dimensions: 48”L x 24” W x 12” D
Elevation Pattern; 3 dBi Omni
On-Horizon Gain: 2.2 to 3.3 dBi
Peak Gain: 2.9 to 3.5 dBi
340
350
330
5
0
Zero Deg = Overhead
10
20
30
0
320
40
-5
310
50
-10
300
60
-15
290
-25
270
-30
80
90
260
100
250
110
240
120
230
dBi
130
220
140
210
150
200
16
217 MHz
219.5 MHz
222 MHz
70
-20
280
190
180
170
160
FCC Experimental License- WF2XPZ
220Mhz is OFFICIALLY granted to Lilee
by FCC. (full power transmission near
San Jose Airport)
17
Air Interface Summary

Supports various modulation (GMSK, C4FM, QPSK. Todo: OFDM-16QAM)

Supports 12.5Khz and 25Khz channel spacing (with good adjacent ch. rejection)

TransAir supports `Speed Booster` from 9.6Kbps, 19.2Kbps, and 38.4Kbps

Supports Forward Error Correction (FEC) (code rate= 1/2 , 2/3 , 3/4 , 4/5 , 5/6 , 6/7 , 7/8 ,1)

Uses 64 slots/sec. Designed for High Speed Rail application (designed to 500km/h)
1 second
1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6
Beacon
16 slots
16 slots
16 slots
1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6
1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6
data slot
16 slots
1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6
contention slot

Supports link layer fragmentation (transparent to applications on CTC/locomotive)

Supports QoS, Link Layer Security, Handover, neighbor base station advertisement

Support slot combining (1,2,4,8,16,32,48)
18
Low MAC – 64 slots per second

High density mode (30 trains per base station at 64 slot/sec )
1
2
3
4
5
6
7
TR TR TR TR TR TR TR
8
15 16
TR
TR
TR
23 24
30
TR
TR
TR
30
T R

8 slot combined mode (2 slot for control & 6 slot for traffic)
Beacon
1
2
3
5
4
6
G
8 slots

Priority traffic with Background FTP
SR
1
2
3
FTP
4
4 slots

2 slots for 1 Loc
1 TX slot
1 RX slot
Yard mode to download track database
SR
19
FTP
FTP
Ack
8 slot combined
3 locomotives
8 slot
combined
mode
TransAir
mode
20
(8 slot combined)
vs. 30 locomotives
(TransAir)
# show bs1 ptc station table
station slot
type
tx/rx
self
cast
CRC error
time to expired (ms)
=========================================================================================
Beacon 00-01
1
T
1
1
0
never
01
02-08
3
T
1
0
0
59896
02
09-16
3
T
1
0
0
55455
03
17-24
3
T
1
0
0
56345
brdcst 25-31
3
T
1
1
0
never
Reg-Hi 32-33
2
R
1
0
0
never
01
34-41
3
R
1
0
0
51496
02
42-49
3
R
1
0
0
52556
03
50-57
3
R
1
0
0
51676
Reg-Lo 58-59
2
R
1
0
0
never
Reg-Hi 60-61
2
R
1
0
0
never
Reg-Lo 62-63
2
R
1
0
0
never
=========================================================================================
# show bs1 ptc station table
station slot
type
tx/rx
self
cast
CRC error
time to expired (ms)
=========================================================================================
beacon 00-00
0
T
1
1
0
never
01
01-01
3
T
1
0
0
47258
02
02-02
3
T
1
0
0
57852
……
30
30-30
3
T
1
0
0
48584
brdcst 31-31
3
T
1
1
0
never
Reg-Hi 32-32
3
R
1
0
0
never
01
33-33
3
R
1
0
0
41474
02
34-34
3
R
1
0
0
53135
……
28
60-60
3
R
1
0
0
48179
29
61-61
3
R
1
0
0
56440
30
62-62
3
R
1
0
0
52599
Reg-Lo 63-63
3
R
1
0
0
never
=========================================================================================
Link Level Fragmentation
1500 bytes (or bigger)
IP/TCP
Session
Payload
1500 byte = 13 fragment
takes 27s for round trip
# ping -s 1500 10.3.10.1
PING 10.3.10.1 (10.3.10.1)
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
1508 bytes from 10.3.10.1:
21
1500(1528) bytes of data.
seq=0 ttl=255 time=26728 ms
crc
56 byte = 1 fragment
takes 500 ms for round trip
# ping –s 56 10.3.10.1
PING 10.3.10.1 (10.3.10.1) 56(84) bytes of data.
64 bytes from 10.3.10.1: seq=0 ttl=255 time=420 ms
High MAC

High MAC support

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

Beacon
Probe request/response
Association/Authentication
Hand over request/response
Action Frame
Support Interface MIB (Platform MIB, IP MIB, etc)
TransAir can also support 3 second Epoch
3 sec epoch
1 sec
8
1
2
Beacon
22
3
4
5
data slot
6
8
7
1
2
3
4
5
6
7
8
1
contention slot
117 bytes data
133 byte with header
2
3
4
5
6
7
8
1
Standard based Security - 802.1x
Locomotive
801.1X (EAP)
TransAir Base
Identity Request
Identity Response
Repeated as many
times as needed
EAP Request
EAP Response with the same type or a Nak
EAP Success or EAP Failure message
Identity Request
If mutual
Auth
Is required Repeated
as
needed
Identity Response
EAP Request
EAP Response with the same type or a Nak
EAP Success or failure message
23
QoS is Enforced by Hardware

QoS mapping can base on






Ethernet frame Priority field
IP frame Type of Service field
Diff Serve code point
ATCS
EMP class/priority
QoS
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reserved Service
Priority Class
Requests
Default scheduling discipline – Priority Queue (PQ)
24
Transmit Power Granularity

For highly populated areas, the granularity of TX power control
dramatically improves the system capacity

32 different power settings
 From
0.1 w
 To
30 w

Flexible installation
TPC – transmit power control


Static power setting (default)

Dynamic power adjustment
(optional)
25
TX setting PWR (W)
0
29.21
1
27.31
2
26.01
3
24.51
4
23.17
5
21.73
6
20.04
7
17.99
8
15.52
9
13.21
10
10.89
11
8.97
12
7.38
13
5.86
14
4.62
15
3.58
TX setting PWR (W)
16
2.96
17
2.23
18
1.75
19
1.47
20
1.13
21
0.86
22
0.7
23
0.57
24
0.47
25
0.37
26
0.28
27
0.23
28
0.18
29
0.14
30
0.12
31
0.09
Measured TX Spectrum (28W output)
26
Propagation Characteristic for 220Mhz
Rule of thumb :
keep 20db fade margin for reliable link
Multipath Fading
Rayleigh Fading Channel
Lilee’s SDR receiver achieves -104 dbm sensitivity (see next page)
27
Better Radio Reduces Total Cost of Ownership


SDR technology allows Lilee to improve modem over time
TransAir reduces number of towers needed (lowering CAPEX/OPEX)
Good
Modem
GMSK
Good
Modem
8 db improves radius from 5km to 10km
28
8.2 db
GMSK
Positive Train Control Architecture
Commuter
Application
Office Area –RR1
Application
Application
Shortline Rail
Application
Application
Office Area –RR2
Application
Application
Gateway (AG)
Application
Gateway (AG)
Application
Gateway (AG)
Application
Gateway (AG)
Message
Router (MR)
Message
Router (MR)
Message
Router (MR)
Message
Router (MR)
Transit Area
Link Mgr
Link Mgr
Network
MPLS
Radio
Network
802.11
Network
220
locomotive –RR1
Link Mgr
wayside –RR2
Radio
Network
Cellular
Radio
Link Mgr
Message
Router (MR)
Message
Router (MR)
Application
Gateway (AG)
Application
Gateway (AG)
Application
29
Radio
Application
Application
Solutions are designed to fit PTC Architecture
Commuter
Application
Office Area –RR1
Application
Application
Shortline Rail
Application
Application
Office Area –RR2
Application
Application
Gateway (AG)
Application
Gateway (AG)
Application
Gateway (AG)
Application
Gateway (AG)
Message
Router (MR)
Message
Router (MR)
Message
Router (MR)
Message
Router (MR)
Transit Area
Network
MPLS
Network
802.11
Network
220
locomotive –RR1
Application
Gateway (AG)
Application
30
wayside –RR2
Network
Cellular
Application
Gateway (AG)
Application
Application
Summary

Lilee Systems will continue to work with North American
transit operators&railroads to become their Vendor of Choice



Our software defined radio technology enables the industry to
deploy future-proof equipment
Product and Solution has been deployed in revenue projects
Lilee Systems’ TransAir product family is a viable solution in
the market to meet the 2015 deadline
Lilee welcomes your comments
Thank you!!
31
Software Defined Radio
I
C3
D/A
F
Q
PA
SAW
BPF
BPF Coupler
D/A
0°
C1
A/D
C6
90°
S2
C4
CPU
A/D
FPGA
BPF
SAW
BPF
C5
90°
Q
A/D
C2
A/D
ANT
SW
L/A
C8
0°
I
A/D
C7
SAW
BPF
LNA
BPF
S1
A/D
RSSI
Deflector
GPS
1pps
32
GMSK - Software Defined Radio
33
QPSK – Software Defined Radio
34
Measured Spectrum (1.1 W output)

Assuming channel
bandwidth =
12.5KHz

Air data rate:
9.6Kbps

Modulation: GMSK

10dB attenuator
between Marconi
and spectrum
analyzer

Max hold on
spectrum analyzer
-25dBc
-35dBc
-43+10log(P) dBc
Measured Spectrum (15W output)

Assuming channel
bandwidth =
12.5KHz

Air data rate:
9.6Kbps

Modulation: GMSK

20dB attenuator
between Marconi
and spectrum
analyzer
Measured Spectrum (~30W output)

Assuming channel
bandwidth =
12.5KHz

Air data rate:
9.6Kbps

Modulation: GMSK

20dB attenuator
between Marconi
and spectrum
analyzer

Reference level is set
to 10dBm in order
to see the noise
floor.
-100 dBc @ +300 K
Lilee scheduled to have field test
at TTCI on Aug, 2011
Transportation Technology Center, Inc
Funded by FRA
38
Who is
? Well, heard of Acer?
Acer’s Manufacturing arm. Spun off with all fixed asset in 2001


Wistron IPO in 2003 with US$2.3B in revenues & 9,000 employees
By 2010, hit US$20B in revenue with over 50,000 employees

$20B in 2010
＞30% CAGR
39
worldwide !
No.8
(Projected 2011 ~ 2013)
ISO Compliance Quality Management System
Company/Customer Policy
Quality Manual
Quality Procedure
Working Instruction
ISO 9001
OHSAS 18001
40
ISO 14001
ESD S20.20
QC080000
TL 9000
Quality Record
ISO 9001 Certificate From CEPREI
ISO 14001 Certificate From CEPREI
OHSAS Certificate From CEPREI
TL9000 Certificate From CEPREI
ANSI ESD S20.20 Certificate from DNV
QC08000 Certificate From CEPREI
Wistron Track Record for Hardened Device
41
Shop Floor Photo
42
Capability&Capacity for Reliability Tests
43
Thermo Testing & Verification
4MCU & 6MCU
44
Case Study and Usage Scenarios

Hilltop Project


Sensors installed at Slit Dam
Sensor data aggregation to data logger in Bungalow









0.6 Miles away
Used to deploy RS-422/485 and some WIFI
Bungalow house with Satellite link
Hilltop relay point
Slit Dam Arial view
New topology reduce the capex and opex of the deployment
Landslide Monitoring (topology and aerial view)
Advance Warning Broadcast System (warning msg distribution)
Voice/Data/Video convergence
45
Lilee Product Solutions
Dispatch
System
Back office
Server
Command
Center
Office
Field
Base Station
Wayside control points
Or sensor networks
Wifi Unit
Bungalow
PTC
Mobile Radio
Mobile
Networks
46
Sensors at the Slit Dam
Water Level
Senor
IR Camera
Rainfall
Senor
Tripwire
47
The Slit Dam (View from the Bungalow)
Slit Dam
Slit Dam
0.6 Mile
(700 M)
Bungalow
48
Photo: The Bungalow
Communication
dish & dipole
Weather
Instrument
Rainfall
Senor
49
Test Site Location 3D view
County’s fire station
10.7 mile
(17.24Km)
1.6 mile
(2.54Km)
50
Slit Dams Aerial View
Weather
Instrument
Rainfall
Sensor
Geophone
IR Camera
Tripwire
Tripwire
Slit Dam
IR Camera
Tilt
Sensor
Water
Leveler
Geophone
Water Flow
Meter
Rainfall
Sensor
IR Camera
Slit Dam
51
Sensor System Deployment using TransAirTM
The Bungalow
Storage
Server
Remote Sensor in Weather Box
RS232 or RS485
Satellite
3G Cellular
Policy-based
Router
Ethernet or WIFI
Data
Logger
Sensor
Data
Converter
Sensor
Video
Server
S-Video
Camera
ADSL
Data
Center
TransAir PTC radio system replaces the comm link
52
Rainfall
Tripwire
(Cable Disconnected
Event Pulse or tension)
Water Leveler
Water Flow,
Geophone
(Current/Voltage
Analog Signal)
Bird eye view for Sensor & S-Video
53
Medium Distance Radio Transmission
for Sensors & S-Video with Relay
The Bungalow
Storage
Server
WAN
Router
PTC
River
Ethernet
Switch
Geo Phone
Sensor
PTC
PTC
Geo Phone
Recorder
PTC
S-Video
Server
B&W Video
Camera
PTC
PTC
S-Video
Server
B&W Video
Camera
Range Extender
PTC
Data
Center
LMC
54
PTC
PTC
Lilee’s
TransAir
PTC
PTC
PTC
Data
Converter
Sensor
1. Water Level 2. Rainfall
3. Tripwire
4. Water Flow
5. Soil Moisture
Flood Detection &
Advanced Warning Broadcast System
Provides advanced
warning of
landslides, high
water, or other
dangers
Upper Stream Monitor Point
Micro
Controller
Data
Converter
TransAir
PTC Radio
Water Level
Sensor
Community
Community
mobile
PTC
TransAir
PTC
Community
Community
Community
The City Hall
TransAir
PTC Radio
Receiver
River
55
WAN
Router
Ethernet
Switch
Storage
Server
LMC
Micro
Controller
TransAir
PTC Radio
LCM
Buzzer
LED
Voice/Data/Video Convergence
City Hall
County
20 miles
65 miles
56
Topology btw County & City Hall
Remote Sensors
Environmental Sensors
Water level, Rainfall, Water flow,
Soil Moisture, Tripwire
Sensor
Aggregation
Point
City Hall
TransAir PTC
Base Station
TransAir PTC
Relay
Disaster Prevention Center
Central Management
X 15000 set
County Office
Surveillance Video
TransAir PTC
Gateway
Jobsite, River, Ramp, Bridge
Video
X 35 set
Text & Voice Message
Plain: 10-25 km
Mountain: 5-10 km
District-wide Intercom
Bi-directional voice
inter-communication
Voice
57
X 1023 set
TransAir PTC
Radio Network
Video Streaming
Plain: 5-10 km
Mountain: 3-5 km

High Mobility Broadband Radio

Transcription

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