{HEAD ~ The method} 19, which comprises, after receiving a characteristic data packet, sending {TAIL ~ information} from the mobile station to the first base station which effect an insertion of another interruption phase for receiving the data packet which is to be detected after a predetermined time interval between characteristic data packets and data packets to be detected 
comprises sending
{ HEAD ~ The method } 19 , which comprises , after receiving a characteristic data packet , sending { TAIL ~ information } from the mobile station to the first base station which effect an insertion of another interruption phase for receiving the data packet which is to be detected after a predetermined time interval between characteristic data packets and data packets to be detected
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH