![]() The laboratory is aimed primarily at facilitating senior undergraduate and graduate courses and projects, and allows students to get first- hand practical experience in SDR wireless modulation and demodulation techniques. The same, unmodified FPGA board can be used for various undergraduate and graduate courses in digital logic, networking, embedded systems, and microprocessor design, and hence the incremental cost of using the same board for the proposed laboratory can thus theoretically approach $0. Over 15 different modulation types are currently supported. The total cost of the laboratory is under USD$200, but yet includes complete transmission, channel emulation, reception (coherent and noncoherent) and probing capabilities. In this paper we present an ultra-low-cost SDR (Software Defined Radio) laboratory that is based on a commercial-off-the-shelf FPGA (Field Programmable Gate Array) development board that is both inexpensive and available worldwide.
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