A communication apparatus includes a radio frequency (RF) circuit configured to operate on an RF signal. The communication apparatus also includes a digital processing circuit and a buffer circuit having a first portion and a second portion. The digital processing circuit may operate in association with the RF circuit according to a time domain isolation technique. In addition, the digital processing circuit may perform a first task on received data and may alternately store a first set of results of the first task within the first buffer portion and a second set of results of the first task within the second buffer portion. The digital processing circuit may further perform a second task on the first set of results concurrently with storing the second set of results within the second buffer portion.