Apparatuses, methods, and systems are disclosed for transmitting and/or receiving an indication of a portion of a time interval. One apparatus (200) includes a receiver (212) that: receives (902) a signal in a first transmission time interval indicating associated information of a second transmission time interval, wherein the second transmission time interval is a portion of the first transmission time interval; and receives (904) first data in the first transmission time interval and second data in the second transmission time interval.