PROBLEM TO BE SOLVED: To effectively reserve resources and to reduce the time from start to end of hand-over in a resource reservation method for hand-over in a mobile communication system. ;SOLUTION: In the case of a hand-over conducted when a terminal station moves to another cell covered by some other base station different from a cell 1 covered by a base station 4 to which the terminal station 3 has registered its position in a system where a sector antenna is employed for signal transmission through a radio channel between the base station 4 and the terminal station 3, the hand-over, the base station 4 that covers a cell adjacent to a sector 2 in which the terminal station 3 is contained allows only the terminal station 3 to exclusively use before the start of a hand-over a logical channel in a stationary network connecting to the base station so that a destination cell of the hand-over can reserve a radio channel after the start of the hand-over.;COPYRIGHT: (C)1999,JPO
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