| 摘要 |
A packet retransmission method for use in a communication system transmitting a signal via at least two antennas is disclosed. The packet retransmission method includes the steps of: a) receiving a signal corresponding to a specific packet, and independently transmitting a signal via the at least two antennas corresponding to the received signal; b) receiving a NACK signal associated with the packet; and c) independently applying an STTD to a real part and an imaginary part of each signal transmitted at step (a), and transmitting the STTD-resultant signal. Therefore, the method separates a real part and an imaginary part from each other, obtains a STTD gain, and can efficiently transmit a packet.
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