Uplink signal sending method and device
A signal transmission and signal technology, applied in the field of uplink signal transmission methods and devices, can solve the problems of affecting uplink signal reception, user interference of adjacent cells, inaccurate signal transmission power estimation, etc.
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Embodiment 1
[0090] Here, the first embodiment is described based on a coordinated multi-point system or a single-antenna or multi-antenna system that only introduces CSI-RS;
Embodiment 1-1
[0092] In Embodiment 1-1, the predefined information includes CSI-RS and signal type, and the determination of the uplink path loss according to the predefined information is: the path loss value measured from the same fixed CSI-RS port is used as the PUCCH, PUSCH and the estimated value of the SRS uplink path loss; where the fixed CSI-RS port can be any one of ports 15 to 22 or a fixed one, for example, port 15 is fixed.
[0093] For ease of description, embodiment 1-1 only takes PUSCH as an example, and the calculation formula of the channel transmit power can be:
[0094] P PUSCH , c ( i ) = min P CMAX , c ( ...
Embodiment 1-2
[0098] In Embodiment 1-2, the predefined information includes CSI-RS and signal type, and the determination of the uplink path loss according to the predefined information is: the path loss value measured from the same CSI-RS port is used as the PUCCH, PUSCH and An estimated value of SRS uplink path loss, wherein the CSI-RS port may be port 15 configured through high-level signaling.
[0099] For ease of description, Embodiment 1-2 only takes PUSCH as an example, and the calculation formula of its channel transmission power can be:
[0100] P PUSCH , c ( i ) = min P CMAX , c ( i ) ...
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