| 摘要 |
A base station for generating pilot channels which are orthogonal among N (N>=4) sectors, includes a sequence generating unit configured to generate a phase rotation sequence which specifies the amount of phase rotation for each sector in a frequency domain such that there is more than 2pi/N difference between the amount of phase rotation applied in each sector and that applied in its adjacent sectors; and an orthogonal sequence multiplying unit configured to apply the corresponding amount of phase rotation in the frequency domain, which is selected from the phase rotation sequence, to one of the pilot channels in each sector.
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