| 摘要 |
The invention relates to a method of providing a multi- carrier modulated signal (mcs) which comprises at least one sub-band (sb1), wherein said sub-band (sb1) comprises a plurality of subcarriers (sc), comprising the following steps: receiving (200) an input signal vector (s), wherein each component of said input signal vector (s) is associated with one of said plurality of subcarriers, expanding (210) said input signal vector (s) by adding one or more additional vector elements in front of and/or after the components of said input signal vector (s), whereby an expanded signal vector (sext) is obtained, upsampling (220) the expanded signal vector (sext) / whereby an upsampled signal vector (sup) is obtained, filtering (230) the upsampled signal vector (sup) to obtain a filtered sub-band output signal (Xfilt). |
