transmit, to one or more other UEs, first control information comprising an indicator of a starting time and a duration of a first time interval for communication of a first data transmission over a sidelink, wherein the first time interval comprises one or more time periods of a first time window, and wherein the first time window comprises a plurality of time periods including at least a first time period configured for communication of control information, at least a second time period configured for communication of data, and at least a third time period configured for communication of feedback, wherein the first time window comprises a slot including the control information, the data, and the feedback, wherein the first control information is transmitted in a first subchannel during a time period of the slot, and wherein the first time window further includes second control information transmitted in a second subchannel during at least a portion of the time period, wherein the first data transmission is on a physical sidelink shared channel (PSSCH) including third control information, the third control information being on a symbol first in time after a symbol carrying the first control information; and

transmit the first data transmission to at least one of the one or more other UEs during the first time interval.