Processing method of uplink data in coordinated multipoint transmission and related device
A technology of multi-point transmission and processing method, which is applied in the field of uplink data processing in coordinated multi-point transmission, and can solve the problems of long time-consuming service base station data, heavy transmission interface load, etc.
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[0046] Example one
[0047] Taking the example in the background art as an example, eNB1 is the serving base station of the user terminal equipment UE1, and eNB2 is the cooperative base station of the user terminal equipment UE1. Please refer to the attachment Figure 4 , The flowchart of the uplink data processing method in coordinated multipoint transmission proposed in this embodiment, and the specific processing process is as follows:
[0048] Step 400, the serving base station eNB1 and the cooperative base station eNB2 respectively receive the uplink data UL data1 sent by the UE1 in the time slot corresponding to the HARQ process identifier HARQ-ID1, and the uplink data is sent by the mobile terminal according to the uplink data transmission resources pre-allocated by eNB1 of;
[0049] Step 401: The serving base station eNB1 judges whether it can correctly demodulate and decode the uplink data UL data1 received by itself, and when it is determined that the uplink data can be cor...
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[0057] Example two
[0058] In order to reduce in the first embodiment, the serving base station eNB1 sends a request message to the cooperative base station eNB2 when it cannot correctly demodulate and decode the uplink data UL data1 received by the UE1 in the time slot corresponding to HARQ-ID1. As well as the load pressure on the X2 interface between the serving base station eNB1 and the cooperative base station eNB2 caused by the relevant information of the uplink data sent by the receiving cooperative base station eNB2 according to the request message, this embodiment proposes another type of serving base station that cannot receive information from itself When the uplink data sent by the mobile terminal is correctly demodulated and decoded, the plan for obtaining uplink data-related information from the cooperative base station, please refer to the attached Figure 5 ,
[0059] Step 500, the serving base station eNB1 and the cooperative base station eNB2 respectively receive ...
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