In accordance with the exemplary embodiments of the invention there is at least a method and apparatus to perform operations including receiving information including indications of frequency and time of resource usages for a cell of a neighboring cell, wherein the frequency and time resource usages for the cell of the neighboring cell are for a predetermined amount of next frequency and time resource usages scheduled; and processing the received frequency and time resource usages to create a mapping of frequency and time pair usage specific to the neighboring cell.