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The paper describes a novel system which can be used interchangeably as a radar sensor and communication device. The system is being developed at Miami University using COTS components and its digital part is based on OFDM architecture. Arbitrary waveform generator with high-speed DSP capabilities is being used to create either random or deterministic OFDM waveforms and a high-speed ADC board is used in the receiver's baseband portion to recover the incoming signals. OFDM technique is already widely used in broadband communications; however, it is shown that system architecture based on this method of data coding and modulation can also be used in radar with minimum modifications.
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