Method and device for retransmitting uplink data stream
A data stream transmission and data stream technology, applied in the field of communication, can solve problems such as difficult to implement system transmission conditions, reduce system retransmission performance, etc.
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[0029] see figure 2 , which is a flow chart of the first embodiment of the uplink data stream retransmission method of the present invention:
[0030] Step 201: The UE receives the HARQ confirmation character fed back by the base station, and the HARQ confirmation character includes information about whether the data stream transmission of the UE's previous data stream transmission is correct.
[0031] In the embodiment of the present invention, when the UE performs the previous transmission of uplink data, the control information of the data flow carried by the primary E-DPDCH is carried by the primary E-DPCCH, and the control information of the data flow carried by the secondary E-DPDCH is carried by the secondary E-DPCCH. information. After the data stream of the previous transmission is transmitted to the base station, the base station feeds back to the UE the HARQ acknowledgment character including whether the data stream of the previous transmission is correct.
[003...
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