
[ Software Communications Architecture (SCA) ]
The SCA is an open specification sponsored by the Joint Tactical Radio System (JTRS) program. It specifies software, hardware,
security, and networking architecture requirements for open, programmable Software Defined Radio (SDR) systems with flexible,
re-programmable communication capabilities.
Specifically, the SCA specifies a common framework to build-up, configure, connect and tear down distributed, embedded
radio applications while maximizing waveform portability.
Spectrum has partnered with Harris Corporation to provide a mature, fully functional SCA core framework, in conjunction
with Spectrum’s SCA BSP, which implements those portions of the SCA core framework specific to the SDR-3000.
For full details, please see the "Harris dmTK and Spectrum SCA BSP" datasheet.
[ VSI/Pro ]
Spectrum has partnered with MPI Software Technology to bring you VSI/Pro, a vector and image
processing library, specifically optimized to the PowerPC G4.
The library is fully compliant with the VSIPL API standard, as published by the VSIPL forum, maximizing
code portability via an efficient programming interface. For further details on the VSIPL forum, please see: www.vsipl.org.
VSI/Pro contains optimized functions for common signal processing tasks such as FFTs, FIR filters, dot products and
trigonometric/algebraic functions.
Full details of VSI/Pro can be found at www.mpi-softtech.com.
[
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Wave for PowerPC ]
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Wave for PowerPC is a library of building blocks for the development of wireless modems (waveforms). These building
blocks can be combined with user-defined and other
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Wave blocks to create a complete PowerPC-based wireless application.
Typical blocks would include modulation and demodulation, carrier recovery, symbol rate recovery, forward error
correction (FEC) and decision circuits.
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Wave for PowerPC is built on top of the VSIPL industry standard interface for signal processing functionality. This allows
the library to be optimized to the PowerPC G4 Altivec engine simply by linking with VSI/Pro.
For full details, please see the
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Wave for PowerPC datasheet.
[ FPGA Cores ]
A comprehensive selection of FPGA cores is available, many of them free, from the Xilinx IP center at
http://www.xilinx.com/ipcenter/index.htm.
These include both the Digital Downconverter (DDC) and Digital Upconverter LogiCOREs.
Please note that Spectrum routinely develops custom cores for clients when these are otherwise unavailable.
If you have such a requirement, please contact your Spectrum sales representative.
Basic Package vs. Optional Extras
Note that developers can use as much or as little of this software stack as they choose. The following table
illustrates which components are supplied as part of the basic SDR-3000 package vs. optional extras:
Basic SDR-3000 Software Package
Optional Extras
TAO CORBA (use is optional)
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Comm for all hardware
VxWorks BSPs for all applicable hardware
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Wave for PowerPC
[ Hot-Swap ]
Future SDR-3000 releases will be PICMG 2.1 hot-swap compliant. Please contact your Spectrum Sales Representative
for further information.
Tornado/VxWorks
(specific components required unless already purchased)
Xilinx ISE
(required unless already purchased)
VSI/Pro
SCA Core Framework (dmTK and SCA BSP)