METHOD AND APPARATUS FOR DATA LINK-BASED SIDELINK COMMUNICATION IN NR V2X

摘要

Provided are a method for a first device for communicating wirelessly and an apparatus supporting same. The method may comprise the steps of: receiving a service from a second apparatus by means of a data link comprising a plurality of data channels; and determining whether to transmit sidelink hybrid automatic repeat request (SL HARQ) feedback associated with the service to the second apparatus. The data link may comprise the plurality of data channels on the basis of details of the quality of service (QoS) request of the service which is transmitted by means of the plurality of data channels.