volume | PIER Journals

Abstract

This work is focused on predicting the return loss and gain characteristics, where a new MIMO-OFDM radar waveform design is proposed and then simulated for a line impedance antenna system. A suggested radar waveform is implemented on an FR4 substrate normally used in microwave applications. It is obtained that, after extensive modeling, the return loss for the MIMO-OFDM radar waveform is -31.7265 dB at a frequency of 6.86 GHz, thereby showing minimum reflection and good impedance matching. At this frequency, the gain for the system comes out to be 7.1276 dB, which refers to the fact that this waveform would help in enhancing the performance of radar systems. These results demonstrate how the MIMO-OFDM radar waveform can be used for advanced radar applications because it gives better return loss and gain, some of the critical specifications required for high-performance radar systems.

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Dr. Alphonse Mary Joy Kinol

Dr. Devaerakkam Marshiana

Dr. Narasu Raghavan Krishnamoorthy

Dr. Ramanathan Pandian