| 摘要 |
The present invention provides a transmitter, a communication system and a communication method thereof. The transmitter according to the present invention comprises a transmission channel processing module for obtaining gains of respective sub-channels; a first transmission preprocessing module for performing a first transmission preprocessing to transmission data for a high-gain sub-channel based on a processed result from the transmission channel processing module; a second transmission preprocessing module for performing a second transmission preprocessing to transmission data for a low-gain sub-channel based on a processed result from the transmission channel processing module; and a transmitting antenna for summing up the transmission data processed by the first transmission preprocessing module and the second transmission preprocessing module respectively and transmitting them.
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