| 摘要 |
PCT No. PCT/FI95/00341 Sec. 371 Date Dec. 13, 1996 Sec. 102(e) Date Dec. 13, 1996 PCT Filed Jun. 12, 1995 PCT Pub. No. WO95/35006 PCT Pub. Date Dec. 21, 1995A handover in a mobile communication system in which a mobile station measures the level of the downlink signals of the neighboring cells of a serving cell, and transmits the measurement results to a fixed network which measures the receive level of the mobile station uplink signal at the serving cell. At least some of the cells of the mobile communication system are assigned as chains of two or more cells. The fixed network reacts to a sudden drop in the receive level of the mobile station uplink signal below a predetermined threshold level at the serving cell by carrying out a handover to a chained cell on the basis of one or more of the latest signal level measurements.
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