| 摘要 |
A method and device for the baseband process of space time/ space frequency/ space diversity transmitter in the SC-FDMA system, comprise: 1) an encoding device connects the output end of the M-point DFT module; 2) a space time encoding device, for encoding the corresponding symbol of at least two adjacent symbol groups, and outputting at least two data sets; each sub-carrier mapping device maps respectively each data set to the corresponding antenna, and makes the mapped data with the features: comparing with the M symbols output by the M-point DFT module, the sequence between the data symbols mapped on each antenna keeps unchanged; the mapped symbols keep the same sub-carrier interval; M data of each mapped SC-CDMA symbol is M output data of DFT module, the reverse digit of the M output data, the complex conjugate of the M output data, or the negative complex conjugate of the M output data. The present invention implements effective space diversity, reduces PAPR, and makes frequency domain equalization feasible. ® KIPO & WIPO 2009 |
