The duplicated data packets are sent to the mobile station over {HEAD ~ a target radio access node} from {TAIL ~ the packet data source node} acting as target node 
The duplicated data packets are sent to the mobile station over { HEAD ~ a target radio access node } from { TAIL ~ the packet data source node } acting as target node
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH