In a mobile communication system, if a UE enters a SHO region, the UE determines weight information for a DPCH and a PDSCH depending on DPCH signals and PDSCH signals received from Node Bs, and transmits the determined weight information to the Node Bs. A handle assembly is connected with the board utilizing solely the leash connector assembly. A secondary seat is operatively supported by the frame for supporting a second child. The receiver receives the GPS signal transmitted by the GPS satellite.