Apparatus and method for specifying receiver enable times in UWB communication and ranging systems

A method and apparatus of a network entity in a wireless communication system supporting ranging capability is provided. The method and apparatus comprises: identifying a MAC sublayer management entity-receive-enable request (MLME-RX-ENABLE.request) primitive including a list of ranging scheduling time unit (RSTU) counter (RxOnTime) values and a number of RSTUs (RxOnDuration), wherein the MLME-RX-ENABLE.request primitive is sent to a MAC layer from a higher layer; in response to identifying the MLME-RX-ENABLE.request primitive, identifying a value of a MAC RSTU_COUNTER; determining whether the value of the MAC RSTU_COUNTER is set to an RxOnTime value included in the list of the RxOnTime values of the MLME-RX-ENABLE.request primitive; increasing the value of the MAC RSTU_COUNTER; determining whether a frame is received from another network entity based on the value of the MAC RSTU_COUNTER; and in response to determining that the frame is received, generating a MAC common part sublayer indication (MCPS-DATA.indication) primitive.