Hardware Configuration
The SCA System Communications Architecture does not specify a hardware configuration. However, one of the requirements for SCA certification is that the waveform must be ported successfully to a government test platform.
Most previous military radios had a specialized downconverter and modulator integrated circuits. With the non-standard JTRS configuration shown here, the waveform developers must provide FPGA code that can perform the function of operating directly with the A/Ds and D/As. The hardware does not provide direct digital synthesizers and upsamplers typical in previous radios. The waveform designer must provide that functionality in specialized FPGA code that constitutes part of the delivered waveform.
Read more about this topic: Software Communications Architecture
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