| 摘要 |
A reference signal, RS, is generated in a wireless communication system based on a starting position, in the frequency domain, of the RS and a transmission channel bandwidth of the RS. At least one of the starting position of the RS and the bandwidth allocated to a transmission channel for the RS is/are ascertained. A base sequence index, BSI, is then derived by mapping at least one ascertained of the RS starting position and transmission channel bandwidth (12) according to a predefined mapping rule (14) to the BSI (16). The RS is determined based on the derived BSI.
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