| 摘要 |
This invention relates to a mobile communication system having a plurality of radio base stations which respectively form cells/sectors and communicate with mobile units existing in the cells/sectors. A mobile unit transmits, to a radio base station, information by which the position of the mobile unit can be estimated. A radio base station estimates the shape of a cell/sector formed by the radio base station on the basis of information transmitted from a mobile unit. If this system further includes a higher rank station which connects radio base stations, reporting the shape of a cell/sector estimated by a radio base station to the higher rank station will allow a plurality of radio base stations to share the shape of the cell/sector.
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