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In conventional radar, the transmission of the same waveform is repeatedafter a predefined interval of time called pulse-repetition-interval (PRI).This technique helps to estimate the range and Doppler shift of targets andsuppress clutter. In dual-function radar communication (DFRC), differentwaveforms are transmitted after each PRI. Thus, each waveform yields differentrange-side-lobe (RSL) levels at the receiver's output. As a consequence,Doppler shift estimation and clutter suppression become challenging tasks. Astate-of-the-art (SOTA) method claims that if the number of waveforms is morethan two, it is impossible to achieve fully coherent RSL levels with bothwaveforms. Therefore, this algorithm uses iterative methods to achieve as muchas possible coherency and minimize the RSL levels. In contrast to that SOTAmethod, we proposed two novel closed-form receivers for the DFRC that yield afully coherent response for several waveforms and suppress the RSL levels.Experimental results demonstrate that the proposed receivers achieve fullcoherency and the RSL levels are significantly lower than the conventionalmethod.

Generalized Fully Coherent Closed-form Receiver Design for Joint Radar and Communication System