| 摘要 |
A data transmission system and a data transmission method between two transceivers are provided. At least one of the transceivers employs more than one radiation patterns for transmitting and receiving a signal. The symbols to be transmitted are divided into blocks, which are encoded using a first space-time coding and one block is transmitted from each radiation pattern. The receiver checks whether retransmission is required and then transmits a retransmission message to the transmitter and stores at least some of the blocks in a memory. The transmitter encodes at least some of the same blocks using a second space-time coding and retransmits the blocks. The receiver receives the blocks using one or more antennas and performs a combined detection or decoding with the blocks in the memory.
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