Certain aspects of the present disclosure generally relate to methods and apparatus for performing channel usage indication in a wireless communication environment. A transmitting apparatus may be configured to determine a residual length of an ongoing transmission burst including a plurality of segments. The transmitting apparatus may transmit, in at least one segment of the transmission burst, control information indicating the residual length of the ongoing transmission burst. A receiving apparatus may be configured to monitor a segment of the ongoing transmission burst, and to determine the residual length of the transmission burst, based on control information transmitted in the monitored segment.