| 摘要 |
The invention relates to a base station (100) for a cellular communications network, wherein said base station (100) is configured to control at least one antenna system (110) which comprises a plurality of antenna elements (110a, 110b, 110c, . . . , 110n), wherein at least two antenna elements (110a, 110b) are arranged at different vertical positions (pa, pb) with reference to a virtual horizontal plane (P). The base station (100) is further configured to transmit specific pilot signals (D1, D2) on orthogonal radio resources associated with said specific pilot signals (D1, D2) via different antenna elements (110a, 110b).
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