Software Communication Architecture Compliant Software Defined Radios all

Software Communication Architecture Compliant Software Defined Radios “all the world’s a network and its people are merely nodes…” S. Murat Bicer Dr. Jeffrey E. Smith Mercury Computer Systems, Inc. HPEC – September 2002 © 2001 Mercury Computer Systems, Inc.

Agenda l l Last year’s summary of Software Defined Radio (SDR) and Software Communications Architecture (SCA) SCA current standing w w l l JTRS position Roadmap OMG progress to date SDRF activities SCA reference implementation SDR/SCA demonstration w November goals w Architecture l l Future work Summary © 2001 Mercury Computer Systems, Inc. 2

Last Year’s SDR and SCA Summary l Described SCA w w w l l l Definition Motivation Goals Programming methodology Architecture Joint Tactical Radio System (JTRS) SDR/SCA requirements Relation to Object Management Group (OMG) and its many standards; and the Software Defined Radio Forum (SDRF) Described overlap between SCA/SDR goals and high-performance embedded computing © 2001 Mercury Computer Systems, Inc. 3

Agenda l l Last year’s SDR and SCA summary SCA current standing w w l l JTRS position Roadmap OMG progress to date SDRF activities SCA reference implementation SDR/SCA demonstration w November goals w Architecture l l Future work Summary © 2001 Mercury Computer Systems, Inc. 4

JTRS Position © 2001 Mercury Computer Systems, Inc. 5

Roadmap it Candidate RFI/RFP/RFC • Embedded system distributed component framework (D&C, file services, devices, domain mgt. ) • Radio components interfaces (SW radio RFP, radio devices, system apps and DM) • Lightweight services (excluding logging – naming, event, timer, notification) • Lightweight log service RFC • Light CCM RFP (deployment, min. set of capability) • Radio components interfaces (SW radio RFP, radio devices, system apps and DM) © 2001 Mercury Computer Systems, Inc. I LO to su FP R e du si is bm bm on d e ue on ti i In t m u s al si is c du d se b su te i ev R D O B to a p do vo 4/1/02 11/02 4/03 7/03 10/27/02 1/6/03 5/12/03 9/03 8/25/02 10/18/02 1/6/03 7/03 6/28/02 vote issue 9/25/02 comments N/A 11/03 2/18/03 3/3/03 5/12/03 8/03 NEY NEY NEY = Not established yet 6 e sp

OMG Progress to Date l l l Approved software radio and lightweight services request for proposals (RFPs) Lightweight logging request for comments (RFCs) in comment period Deployment and configuration initial submission Lightweight services initial submission and lightweight CORBA component model (CCM) RFP in work Published SCA platform independent model (PIM) on swradio. omg. org Coordinated with SWR Forum (SDRF) © 2001 Mercury Computer Systems, Inc. 7

SDRF Activities Definition and development of hardware abstraction layer (HAL) l Research on the applicability of Mercury’s FPGA architecture/ middleware as a submission to SDRF l Requirements for radio software download for RF reconfiguration l Canadian Research Center (CRC) SCARI project oversight l © 2001 Mercury Computer Systems, Inc. 8

Agenda l l Last year’s SDR and SCA summary SCA current standing w w l l JTRS position Roadmap OMG progress to date SDRF activities SCA reference implementation SDR/SCA demonstration w November goals w Architecture l l Future work Summary © 2001 Mercury Computer Systems, Inc. 9

SCA Reference Implementation l l l A proof-of-concept SCA reference implementation to explore advantages and difficulties Reusable SCA core framework (CF) implementation code A platform specific model (PSM) for OMG SCA platform independent model (PIM) A minimum-SCA definition Platforms: w x 86 PC w/ Windows. NT w 4 -node Mercury computer w/ Windows. NT runtime host w Sun Blade 100 w/ Solaris l Tools used: w Microsoft Visual C++ 6. 0, g++, ccmc++ w OIS ORBexpress, ACE/TAO, SCE w Rational Rose © 2001 Mercury Computer Systems, Inc. 10

SCA Reference Implementation © 2001 Mercury Computer Systems, Inc. 11

Mercury’s SCA CF l l l l Implements the basic behavior defined in SCA Provides the building blocks for SCAcompatible radios CF is compiled as a DLL Waveform developers implement their waveforms as SCA “applications” Components of these waveforms inherit the CF components and use the CF DLL CF Domain. Manager is used to install these waveform applications The new CF does not use fat binaries to load waveform applications © 2001 Mercury Computer Systems, Inc. 12

Creating Applications Application. Factory determines applicable device(s) on which to load application code defined in Domain Profile UI asks for all Application. Factory(s) ~~~~~ ~~ ~~~ XML Files ~~~~ ~~ • Application to instantiate is chosen • UI issues create( ) on Application. Factory Domain Profile load/execute, allocate capacities Application. Factory connects the port(s) to form application Application developers provide implementations of the base application interfaces in their applications, using the framework control and framework services interfaces as needed and describe their application with a software profile. Core application services developers provide the framework control and framework services interfaces and process the domain profile DTDs. Device Resource(s) bring port(s) into existence Resource 1 Physical Device 1 connects resource ports Resource 3 Resource 2 Physical Device 2 Resources are then configured, initialized, and started © 2001 Mercury Computer Systems, Inc. 13 Bring resources into existence on physical devices

Agenda l l Last year’s SDR and SCA summary SCA current standing w w l l JTRS position Roadmap OMG progress to date SDRF activities SCA reference implementation SDR/SCA demonstration w November goals w Architecture l l Future work Summary © 2001 Mercury Computer Systems, Inc. 14

November Goals 1. 2. 3. 4. Demo FM 3 TR, WCDMA component and reconfigurability and waveform interoperability on multiple platforms and varying scalability. Minimal SCA compliant, working with “average” of existing open reference implementations, OMG SDR PIM, and DTKs. Call FPGA and software components from same middleware complying with SCA interfaces. Same infrastructure will scale and take advantage of low -level infrastructure (where it exists) e. g. data reorg, PAS, MPI, … Integrate (W)RDL as part of infrastructure and demo to show positioning of happy co-existence. © 2001 Mercury Computer Systems, Inc. 15

Demo Architecture Noise TCP GUI Record DX Adapter PAS Encode CVSD PAS Encode FM 3 TR CFP MSK Mod. + Next freq hop DUC D/A I/F FH CFP TCP Playback DX Adapter Rate Converter Vocoder © 2001 Mercury Computer Systems, Inc. PAS Decode CVSD PAS Decode FM 3 TR MSK Demod Next tune freq Encode WCDMA Symbol Synch DDC I/F FH SW DUC 16 A/D D/A I/F

November Demo l Two versions w SCA – Win 2 k, ACE/TAO CORBA w SCA/SCE – heterogeneous hardware l l Two versions will merge in the future Three waveforms on both SCA platforms w FM 3 TR (Future Multi-Band Multi-Waveform Modular Tactical Radio) w SSB (Single Sideband) w WCDMA (Wideband Code Division Multiple Access) l For all waveforms, digital domain signals are converted to analog signals in the IF stage © 2001 Mercury Computer Systems, Inc. 17

November Demo l SCA – Win 2 k w w w l Implements a subset of SCA Component reconfigurability Waveform interoperability Domain manager Uses CORBA for command control Uses C++ streams for communications between components SCA/SCE w Implements a different subset of SCA w Scalable over heterogeneous processing elements • E. g. , Pentiums, G 4 s, FPGAs w Provides seamless communication structure for stream applications © 2001 Mercury Computer Systems, Inc. 18

November Demo (continued) l Interoperability of waveforms w Demodulating an FM 3 TR waveform w Transmitting it as a WCDMA waveform l Reconfigurability in component level w Deploying software resources on different hardware platforms • Software DUC, FPGA DUC, etc. . l Reconfigurability in application level w Loading new waveforms on air w Changing waveforms on air © 2001 Mercury Computer Systems, Inc. 19

Agenda l l Last year’s SDR and SCA summary SCA current standing w w l l JTRS position Roadmap OMG progress to date SDRF activities SCA reference implementation SDR/SCA demonstration w November goals w Architecture l l Future work Summary © 2001 Mercury Computer Systems, Inc. 20

Future Work l l l Work on OMG, SDRF, and JTRS Technology Laboratory (JTe. L) as a part of Joint Tactical Radio System (JTRS) contract (3 years) Extend demo to SIGINT applications Productize middleware Extend SCA CF Work with JTe. L on SCA compliance (provide reference SCA implementation) Work with (W)RDL vendors of role of their technology with SCA © 2001 Mercury Computer Systems, Inc. 21

Summary An OMG version of the JTRS SCA is being developed l Ongoing SDRF activities l An SCA CF reference implementation has been developed l A demo will be used to show SCA l w Compliance w Interoperability w Reconfigurability © 2001 Mercury Computer Systems, Inc. 22