The original problem was to design a software defined radio (SDR) transceiver that met the size, weight, and power (SWaP) constraints of a small unmanned air vehicle (UAV). The initial demonstration was in six months, so a rapid prototyping approach was used to design the SDR with open commercial components. As the project progressed, additional objectives were levied on the design that had to be accommodated. This paper will describe the design challenges in more detail, and provide lessons learned and successes achieved through the use of open standards.
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