An apparatus configured to be employed at a user equipment, UE , to support reduced complexity and power efficiency in a sidelink communication for pedestrian to vehicle, P2V, communication, comprising: processing circuitry configured to: generate a plurality of partial sensing windows to be sensed for a resource [re]selection procedure ; monitor one or more physical channels to detect occupied resources based on the plurality of partial sensing windows ; generate a candidate resource set based on non-occupied resources or less congested resources determined from processing the plurality of partial sensing windows ; perform the resource [re]selection procedure in a resource [re]selection window based on a resource [re]selection trigger and the candidate resource set ; and process one or more transmissions at a partial sensing window of the plurality of partial sensing windows by detecting one or more occupied resources of the partial sensing window and excluding the one or more occupied resources from the resource [re]selection window in response to an indicated resource reservation interval for a transmission within the partial sensing window pointing to one of the one or more occupied resources within the resource [re]selection window and a reference signal receive power, RSRP, measurement exceeding a predetermined threshold; and a radio frequency, RF, interface, configured to provide, to RF circuitry , data for the P2V communication based on the resource [re]selection procedure. processing circuitry configured to: generate a plurality of partial sensing windows to be sensed for a resource [re]selection procedure ; monitor one or more physical channels to detect occupied resources based on the plurality of partial sensing windows ; generate a candidate resource set based on non-occupied resources or less congested resources determined from processing the plurality of partial sensing windows ; perform the resource [re]selection procedure in a resource [re]selection window based on a resource [re]selection trigger and the candidate resource set ; and process one or more transmissions at a partial sensing window of the plurality of partial sensing windows by detecting one or more occupied resources of the partial sensing window and excluding the one or more occupied resources from the resource [re]selection window in response to an indicated resource reservation interval for a transmission within the partial sensing window pointing to one of the one or more occupied resources within the resource [re]selection window and a reference signal receive power, RSRP, generate a plurality of partial sensing windows to be sensed for a resource [re]selection procedure ; monitor one or more physical channels to detect occupied resources based on the plurality of partial sensing windows ; generate a candidate resource set based on non-occupied resources or less congested resources determined from processing the plurality of partial sensing windows ; perform the resource [re]selection procedure in a resource [re]selection window based on a resource [re]selection trigger and the candidate resource set ; and process one or more transmissions at a partial sensing window of the plurality of partial sensing windows by detecting one or more occupied resources of the partial sensing window and excluding the one or more occupied resources from the resource [re]selection window in response to an indicated resource reservation interval for a transmission within the partial sensing window pointing to one of the one or more occupied resources within the resource [re]selection window and a reference signal receive power, RSRP, measurement exceeding a predetermined threshold; and a radio frequency, RF, interface, configured to provide, to RF circuitry , data for the P2V communication based on the resource [re]selection procedure. <EOS>