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Moscow, October 29-30, 2012 г.
IMA International Conference
Integrated Modular Avionics.
Current state and vision of the future
development.Prospects of the integrated airborne CNS/ATM radio systems design
based on IMA technologies
Shadrintsev N.
GosNIIAS
Integrated Modular Avionics International Conference
Agenda
1. Targets of the IMA radio systems development projects.
2. Basic principles of the airborne radio systems design within framework of the IMA & SDR technologies.
3. Current state of the airborne communication, navigation & landing and surveillance IMA radio systems development process.
4. Combined CNS/ATM IMA radio system design concept.
5. Combined CNS/ATM IMA radio system design issues.
6. Conclusion.
Targets of the IMA radio systems development projects.
• To adapt the IMA principles for the peripherical radio systems that successfully applied during processing core development.
• Moving from closed architecture of the federated radio equipment (blocks и systems) to open modular structure of the communication, navigation & landing and surveillance IMA systems.
• Development of the second generation radio technical system with communication, navigation & landing andsurveillance functions based on IMA technologies.
Integrated Modular Avionics International Conference
Modular HW platform
Real-time OSARINC 653
with resource sharing
VPX mechanics (ANSI/VITA)
AFDX switched network
Modular application SW
Communication Radio SystemNavigation and landing Radio SystemSurveillance Radio SystemIntegrated CNS/ATM system
Mode and parameter
setting by SW
HW independent on signal type
Minimum analog processing
Signal processing by SW
IMA principles
SDR principles
System SDR interface
(VITA 49.0 / 49.1)
Basic principles of the airborne radio systems design
within framework of the IMA & SDR technologies.
Integrated Modular Avionics International Conference
IMA RF module or external RF unit IMA coreIMA radio processing platform
WidebandRF circuit
12
3
Signal processing
Modem Codec
Data processing
Modem Codec
Modem Codec
End Applications
Application 1
Application 2
Application 3
CNS Radio Management
DataRouting
Bu
ffe
rin
g
Form
at c
on
vers
ion
2
3
1
2
3
1
2
3
1
2
3
IF Signal samplesANSI/VITA 49AFDX Network
1
Data packetsApplication data formatAFDX Network
Function-Specific Data Processing
M M M M
1
2
3
M
Integrated CNS applications
Analog processing,
DAC/ADCSignal processing Signal processing Applications
Modes and settings management
ReceiverTransmitter
DAC/ADC
IMA & SDR radio system architecture
Integrated Modular Avionics International Conference
HW modular design
Integrated Modular Avionics International Conference
Unified components:system (core) cratesconcentrator cratesrugged concentrator crates
Standard plug-in modules: Processor
AFDX network switch
Power supply
Optic media convertor
3U crate 6U crate
Mezzanine
3U module
6U module
Standard plug-in mezzanines:Graphic controller
Mass storage
Avionic interfaces (ARINC 429, ARINC 825, Mil1553B)
Analog & discrete I/O
New modules & mezzanines: RF receiver/transmitter
Digital signal processor
Digital voice switch
IP router with network core functions
Advantages of the IMA & SDR technologies applying in
radio system development
SDR advantages:Flexible tuning of the radio channel and work modeMultichannel signal processingDecrease quantity of the RF blocks and antennasSW upgrading and developing
IMA advantages:Platform resources sharing usagePlatform resources segregation between applicationsGuarantee the required safety level redundancyOpen scalable architecture
Integrated Modular Avionics International Conference
Current state of the airborne communication, navigation & landing and surveillance IMA radio systems development process.
Integrated Modular Avionics International Conference
IMA radio surveillance system.“VNIIRA-Navigator” and “Contur-NIIRS”
IMA radio communication system.“Polet”
IMA radio surveillance system.“VNIIRA-Navigator”
Combined CNS/ATM IMA radio system design concept.
Combined L-band radio block
Combined communication and navigation VHF/HF RF block
Combined DSP for communication, navigation & landing, surveillance
Modular SW application and signal processing
Step 2: Second generation IMA radio system constituent element design
IМА CNS/ATM system
Step 3: Radio system intergation
РЧ по диапазонам
ЦОС
МУПД
Комм./маршрутизатор
РЧ по диапазонам
ЦОС
МУПД
Комм./маршрутизатор
RF units splitted by radio bands
DSP
Data processing
Routing
Integrated Modular Avionics International Conference
Uniform modular design
Mechanics as per ANSI VITA 46/48
AFDX ARINC 664 interfaces
ARINC 653 data processing
Software-defined signal processing
ANSI VITA 49 SDR interfaces
Wideband multi-channel RF parts
Step 1: Current status
IMA radio communication system
IMA radio navigation system
IMA radio surveillance system
Comm RF units
Comm DSP
Data processor
Voice switch
Nav RF modules
Nav DSP
Data processor
WXR unit
ISS RF module
ISS DSP
Uniform DSP modules
Uniform internal interfaces
Uniform RF modules per band
Data & Voice Switching integration
Common crate design
Common ARINC 653 OS
ISS I/F module
Communication, navigation & landing and
surveillance IMA radio systems (IМА CNS)
DSP #1
DSP #2
Data Proc #1
Data Proc #2
AFDX/IP
Power
Крейт #1 Крейт #2
UH
F #2
HF/V
HF #1
HF/V
HF #2
HF/V
HF #3
AFDX / VITA 49 (signal samples)
To IMA core and others airborne systems: AFDX networks
Крейт #3
DSP #1
DSP #2
Data Proc #1
Data Proc #2
AFDX/IP
Power
DSP #1
DSP #2
Data Proc #1
Data Proc #2
AFDX/IP
Power
Ant coupler
UH
F #1
GN
SS
GN
SS
SATC
OM
SATC
OM
WX
R
RA
#2
RA
#1
RA
#1
Transmitting and receiving: voice/data HF and VHFreceiving: VOR, ILS, MKR, VDB, ADF
Transmitting and receiving: ВОРЛ, TCAS, АЗН-В, DME
Receiving: GNSS, SBAS Transmitting and receiving: voice/data SATCOM
Weather radar data Radaraltimetr data
Integrated Modular Avionics International Conference
Advantages of the combined IMA radio system
• Decrease quantity of the RF and DSP units due to simultaneous signal processing.
• Improve radio technical characteristics, power reduction and increase reliability of the transmitters, improve electromagnetic environment and temperature conditions in crates in case of external RF units placement near antennas.
• Reduce size and weight of the radio equipment and feeder lines.
• New CNS/ATM functions can be easily implement by software application
Integrated Modular Avionics International Conference
Combined CNS/ATM IMA radio system design
issues.
1. To design the multichannel wideband RF units:• Research of the electromagnetic environment issues in case of multichannel work• Providing with dynamic range, linearity and operation time characteristics of the DAC/ADC• Research of the RF units placement variants on the board.• Research of the antennas sharing utilization
2. To utilize the active antennas and spatial signal processing:• Research of the active antennas and active grid antenna arrays utilization expedience for different
types of the signals• Analysis of the operational characteristics and repair capability of the active antennas• Design of the signal processing schemes with spatial diversity.
3. To choose the high speed interface for RF units:• Analysis and test of the different airborne interfaces during transmitting of the signal samples streams• Research of the AFDX airborne network utilization expedience• Analysis of the ANSI/VITA 49.0 и 49.1 protocols for transmitting of the signal samples streams
4. Reliability and safety during simultaneous signal processing:• Safety research in case of the resources splitting during signal processing• Choose the optimal architecture of the unified DSP
5. Standardization and Certification issues.• Issue of the IMA radio technical systems standards• Define the methods and procedures of the IMA radio technical systems certification
Integrated Modular Avionics International Conference
International Conference
Thank you!
Moscow, October 29-30, 2012 г.
Prospects of the integrated airborne CNS/ATM radio systems design
based on IMA technologies
Shadrintsev N.
GosNIIAS