An Open Reconfigurable Computing Approach to Space Data Communications Processing Jay Costenbader February 26 1998 MULTIMISSION SATELLITE COMMUNICATIONS SYSTEMS Remote Sensing Ground Stations Multi mission Requirements l Satellite Access Service Providers u Provide access to customer satellites as a standard service u Customer buys access time bandwidth or data by the bit Store and forward and real time WAN data routing u l Customer owned Multi mission Ground Stations u l These systems must support u u u l Access to remote sensing telemetry for multiple satellites Varying data rates to 300 Mbps Various telemetry protocols including CCSDS and a variety of TDM protocols Mission specific data products Mission requirements are not fixed a priori and may in fact be unknown as the mission set will grow over time 7100 Columbia Gateway Drive Columbia MD 21046 Phone 410 872 3900 Fax 410 872 3901 www tsi telsys com 2 23 98 V1 0 2 MULTIMISSION SATELLITE COMMUNICATIONS SYSTEMS Telemetry Protocol Processing Multi mission Requirements l Programmable data acquisition u u u Forward error detection correction CRC Reed Solomon Time stamping and Frame annotation u CCSDS service processing u l Network data delivery u Decommutation Demultiplexing u Programmable routing LAN WAN data delivery u l Programmable forward link and command link u u l Bit Synchronization Frame synchronization De randomization Command verification and closed loop control e g COP 1 Secure throughput commanding service Multi protocol Simulation 7100 Columbia Gateway Drive Columbia MD 21046 Phone 410 872 3900 Fax 410 872 3901 www tsi telsys com 2 23 98 V1 0 3 MULTIMISSION SATELLITE COMMUNICATIONS SYSTEMS TSI TelSys Approach Reprogrammability Reconfigurability l l All TSI systems are reprogrammable u Parameterized to allow broad support for multiple protocols u System operation is controlled by setup parameter values All subsystems use a standard run time reconfigurable card product the VIPcard u u l l Subsystem functions are configured in run time downloaded hardware logic The VIPcard can be reconfigured an unlimited number of times Reconfigurability yields hardware speeds with software flexibility u Subsystems are high performance application specific gate level logic but software programmed u Subsystems are seamlessly integrated as software elements The same hardware performs many different functions u Data acquisition simulation forward link command link Reduced sparing costs u Supports future growth in capabilities and changing requirements u 7100 Columbia Gateway Drive Columbia MD 21046 Phone 410 872 3900 Fax 410 872 3901 www tsi telsys com 2 23 98 V1 0 4 MULTIMISSION SATELLITE COMMUNICATIONS SYSTEMS Reconfigurable System Development H W Object Library Correlators counters muxes etc H W Developer Hardware Object Code Verilog or VHDL text based languages S W Object Library Status configure H W object wrapper etc S W Developer Software Object Code Java C HDL Compiler S W Object Wrapper Place Route App S W Objects H W Object Hardware Object Binary Compiler Application Binaries 7100 Columbia Gateway Drive Columbia MD 21046 Phone 410 872 3900 Fax 410 872 3901 www tsi telsys com 2 23 98 V1 0 5 MULTIMISSION SATELLITE COMMUNICATIONS SYSTEMS Reconfigurable Run Time Environment l Extends conventional operating systems for dynamic reconfigurable subsystems u SUN Solaris SGI IRIX u Windows NT u VxWorks l Allows reconfigurable subsystems to be integrated into an application as software components e g Java objects l Binds reconfigurable subsystems to VIPcard processors and software on host microprocessor u Reconfigurable object configuration management u Reconfigurable software inter object communications Application Programming Interface API u 7100 Columbia Gateway Drive Columbia MD 21046 Phone 410 872 3900 Fax 410 872 3901 www tsi telsys com 2 23 98 V1 0 6 MULTIMISSION SATELLITE COMMUNICATIONS SYSTEMS Summary l Multi mission support makes ground station requirements a moving target u Mission requirements are not fixed a priori and may in fact be unknown as the mission set will grow over time l High performance requirements necessitate hardware solutions l Reconfigurable technology provides a malleable highperformance solution u Application specific hardware logic u Run time programmable under software control u Seamless integration into software environment 7100 Columbia Gateway Drive Columbia MD 21046 Phone 410 872 3900 Fax 410 872 3901 www tsi telsys com 2 23 98 V1 0 7