Patent ID: 6600924
Filing Date: 2003-07-29
Classification: H04W

Abstract:
A cell handover method employed in a cellular radio system, comprising at least one indoor subscriber terminal (100) and cells (31 to 38) with operating area of each being confined to the interior of a building, and at least one outdoor cell (11) whose operating area extends from the exterior to the interior of the building, and in which cellular radio system the cell serving the subscriber terminal (100) will be changed, characterized in that the radio system is configurated for cell handover in such a way thatcells (31 to 38) are grouped into cell groups with a gateway cell (21 to 24) provided around each group, and with one gateway cell (21) provided at the entrance of the building, the gateway cell (21 to 24) surrounding the cell (31 to 38) is entered on the neighbor list of each cell (31 to 38), other gateway cells (22 to 24) and an outdoor cell (11) are entered on the neighbor list of the gateway cell (21) provided at the entrance, and the gateway cells (21 to 24) are entered on the neighbor list of the outdoor cell (11).