FIG. 12 is an example for applying option 2 of method 1 in case 3. In the former part, the data of logical channel 1 (LC1) and the data of logical channel 2 (LC2) triggers uplink BSR independently. The SR configurations used by LC1 and LC2 are different for reflecting resource need on different numerologies. Moreover, SR configurations could include identity of new MAC CE for establishing association. Based on the association, in latter part, when the UE triggers new MAC CE and there is no uplink resource, the UE transmits SR according to SR configuration 1. On the other hand, if the UE triggers a sidelink BSR when there is no uplink resource, the UE will transmit SR according to SR configuration 2.
FIG. 13 is an example of applying option 2 of method 1 in case 1. Similar to FIG. 12, the association is established by including numerology information (i.e. numerology 1) in sidelink service configuration. When the UE triggers a sidelink BSR and there is no uplink resource, the UE will transmit SR according to SR configuration 1.
FIG. 14 is an example of applying option 2 of method 1 in case 3. Similar to previous example, the association is established by mapping table between numerology and identity of new MAC CE.
