16.18.10 UAV prioritized frequency for Aerial UE cell reselection

UAV prioritized frequency can be indicated via SIB2 and/or SIB4, an Aerial UE may consider the cell reselection priority of the UAV prioritized frequency is higher than other frequencies. Optionally, an altitude range can be configured by network, and the Aerial UE may only consider the cell reselection priority of the UAV prioritized frequency is higher than other frequencies when it is within this altitude range.