| 摘要 |
The present invention is a base station that may be adjusted to varying altitudes along a vertical support but will not temporarily suspend wireless communications services to all mobile telephones within its associated cell when being serviced. In one embodiment, the base station of the present invention comprises a plurality of micro-cells and a plurality of independently moveable carriages. Each of the plurality of micro-cells being associated with a sector of a cell, and comprising a radio unit and a directional antenna for providing wireless communications services to mobile telephones within the associated sector. Each of the micro-cells are mounted to one of the plurality of carriages, which are independently an d moveably mounted to a vertical support. Advantageously, if one of the micro-cells is in need of servicing, the carriage to which such micro-cell is mounted can be independently lowere d to ground level for servicing the micro-cell without suspending wireless communications services provided by other micro-cells to mobile telephones in other sectors of the cell. Furthermore, each of the micro-cells belonging to a single base station may be positioned to differen t altitudes along the vertical support such that each micro-cell can provide optimum RF coverage based on the terrainof the associated sector.
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