5.11 MAC reconfiguration
38.3213GPPMedium Access Control (MAC) protocol specificationNRRelease 17TS
When a reconfiguration of the MAC entity is requested by upper layers, the MAC entity shall:
1> initialize the corresponding HARQ entity upon addition of an SCell;
1> remove the corresponding HARQ entity upon removal of an SCell;
1> apply the new value for timers when the timer is (re)started;
1> apply the new maximum parameter value when counters are initialized;
1> apply immediately the configurations received from upper layers for other parameters.