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