Uplink transmission method, terminal device and network device

1. A method for uplink transmission, comprising:

receiving, by a terminal device, indication information and a high-level signaling sent by a network device, wherein the indication information is used for indicating a beam corresponding to at least one uplink transmission channel of the terminal device, the beam corresponding to each uplink transmission channel is used for transmitting the each uplink transmission channel; wherein information of the beam corresponding to the each uplink transmission channel comprises a beam index of the beam corresponding to the each uplink transmission channel, and the beam index of the beam corresponding to the each uplink transmission channel is used to indicate which beam in a pre-configured beam group is the beam corresponding to the each uplink transmission channel; wherein the beam group is a beam group configured by the network device to the terminal device through the high-level signaling; and

performing, by the terminal device, uplink transmission according to the indication information and the high-level signaling,

wherein the indication information is specific indication information for a terminal device or specific indication information for a group of terminal devices,

wherein the at least one uplink transmission channel is a part of uplink transmission channels of the terminal device, and beams corresponding to remaining uplink transmission channels of the terminal device except the part of the uplink transmission channels remain unchanged,

wherein the uplink transmission channels of the terminal device comprise a first uplink transmission channel and a second uplink transmission channel, and the first uplink transmission channel and the second uplink transmission channel correspond to different beams, and

wherein performing, by the terminal device, the uplink transmission according to the beam corresponding to the each uplink transmission channel of the terminal device comprises:

when time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel overlap, if transmission power of the terminal device is insufficient, performing, by the terminal device, a puncturing processing on the first uplink transmission channel or the second uplink transmission channel, or adjusting, by the terminal device, transmission power of the first uplink transmission channel or the second uplink transmission channel; or

when time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel overlap, or an overlapping degree of the time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel is greater than a pre-determined threshold, transmitting, by the terminal device, the first uplink transmission channel through a beam corresponding to the second uplink transmission channel.

2. The method according to claim 1 , wherein the information of the beam corresponding to the each uplink transmission channel comprises a beam identity of the beam corresponding to the each uplink transmission channel.

3. The method according to claim 1 , wherein the indication information carries information of the beam corresponding to the PUSCH, and information of the beam corresponding to the PUCCH.

4. The method of claim 1 , wherein the indication information is used for instructing the terminal device to switch to a second network device and performing uplink transmission with the second network device based on the beam corresponding to the at least one uplink transmission channel.

5. The method of claim 4 , wherein the switching to the second network device is based on path loss and beam-formed gain between the terminal device and the second network device.

6. A method for uplink transmission, comprising:

generating, by a network device, indication information for indicating a beam corresponding to at least one uplink transmission channel of a terminal device, wherein a beam corresponding to each uplink transmission channel is used for transmitting the each uplink transmission channel; wherein information of the beam corresponding to the each uplink transmission channel comprises a beam index of the beam corresponding to the each uplink transmission channel, and the beam index of the beam corresponding to the each uplink transmission channel is used to indicate which beam in a pre-configured beam group is the beam corresponding to the each uplink transmission channel;

sending, by the network device, the indication information and a high-level signaling to the terminal device, wherein the beam group is a beam group configured by the network device to the terminal device through the high-level signaling, wherein the indication information is specific indication information for a terminal device or specific indication information for a group of terminal devices, wherein the at least one uplink transmission channel is a part of uplink transmission channels of the terminal device, and beams corresponding to remaining uplink transmission channels of the terminal device except the part of the uplink transmission channels remain unchanged, and wherein the uplink transmission channels of the terminal device comprise a first uplink transmission channel and a second uplink transmission channel, and the first uplink transmission channel and the second uplink transmission channel correspond to different beams,

when time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel overlap, or an overlapping degree of time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel is greater than a pre-determined threshold, receiving, by the network device, the first uplink transmission channel through a beam corresponding to the second uplink transmission channel; and

when the time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel do not overlap, or the overlapping degree of the time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel is less than the pre-determined threshold, receiving, by the network device, the first uplink transmission channel through a beam corresponding to the first uplink transmission channel.

7. The method according to claim 6 , wherein the information of the beam corresponding to the each uplink transmission channel comprises a beam identity of the beam corresponding to the each uplink transmission channel.

8. The method according to claim 6 , wherein the indication information carries information of the beam corresponding to the PUSCH, and information of the beam corresponding to the PUCCH.

9. A terminal device, comprising a processor, a transmission unit, and a transceiver, wherein:

the processor is used for receiving, through the transceiver, indication information and a high-level signaling sent by a network device, wherein the indication information is used for indicating a beam corresponding to at least one uplink transmission channel of the terminal device, and the beam corresponding to each uplink transmission channel is used for transmitting the each uplink transmission channel; wherein information of the beam corresponding to the each uplink transmission channel comprises a beam index of the beam corresponding to the each uplink transmission channel, and the beam index of the beam corresponding to the each uplink transmission channel is used to indicate which beam in a pre-configured beam group is the beam corresponding to the each uplink transmission channel; wherein the beam group is a beam group configured by the network device to the terminal device through the high-level signaling,

the processor is further used for performing uplink transmission according to the indication information and the high-level signaling, wherein the indication information is specific indication information for a terminal device or specific indication information for a group of terminal devices, wherein the at least one uplink transmission channel is a part of uplink transmission channels of the terminal device, and beams corresponding to remaining uplink transmission channels of the terminal device except the part of the uplink transmission channels remain unchanged, and wherein the uplink transmission channels of the terminal device comprise a first uplink transmission channel and a second uplink transmission channel, and the first uplink transmission channel and the second uplink transmission channel correspond to different beams, and

the transmission unit is used for performing a puncturing processing on the first uplink transmission channel or the second uplink transmission channel or adjusting transmission power of the first uplink transmission channel or the second uplink transmission channel if transmission power of the terminal device is insufficient when time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel overlap; or

the transmission unit is used for transmitting the first uplink transmission channel through a beam corresponding to the second uplink transmission channel when time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel overlap, or an overlapping degree of time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel is greater than a pre-determined threshold.

10. The terminal device according to claim 9 , wherein the information of the beam corresponding to the each uplink transmission channel comprises a beam identity of the beam corresponding to the each uplink transmission channel.

11. The terminal device according to claim 9 , wherein the indication information carries information of the beam corresponding to the PUSCH, and information of the beam corresponding to the PUCCH.

12. A network device comprising a processor, a first receiving unit, a second receiving unit, and a transceiver,

wherein the processor is used for generating indication information for indicating a beam corresponding to at least one uplink transmission channel of a terminal device, wherein a beam corresponding to each uplink transmission channel is used for transmitting the each uplink transmission channel;

wherein information of the beam corresponding to the each uplink transmission channel comprises a beam index of the beam corresponding to the each uplink transmission channel, and the beam index of the beam corresponding to the each uplink transmission channel is used to indicate which beam in a pre-configured beam group is the beam corresponding to the each uplink transmission channel;

wherein the transceiver is used for sending the indication information and a high-level signaling to the terminal device; wherein the beam group is a beam group configured by the network device to the terminal device through the high-level signaling;

wherein the indication information is specific indication information for a terminal device or specific indication information for a group of terminal devices, and wherein the at least one uplink transmission channel is a part of uplink transmission channels of the terminal device, and beams corresponding to remaining uplink transmission channels of the terminal device except the part of the uplink transmission channels remain unchanged,

wherein the uplink transmission channels of the terminal device comprise a first uplink transmission channel and a second uplink transmission channel, and the first uplink transmission channel and the second uplink transmission channel correspond to different beams,

wherein the first receiving unit is used for receiving the first uplink transmission channel through a beam corresponding to the second uplink transmission channel when time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel overlap or an overlapping degree of time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel is greater than a pre-determined threshold, and

wherein the second receiving unit is used for receiving the first uplink transmission channel through a beam corresponding to the first uplink transmission channel when the time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel do not overlap or the overlapping degree of the time domain resources occupied by the first uplink transmission channel and the second uplink transmission channel is less than the pre-determined threshold.

13. The network device according to claim 12 , wherein the information of the beam corresponding to the each uplink transmission channel comprises a beam identity of the beam corresponding to the each uplink transmission channel.

14. The network device according to claim 12 , wherein the indication information carries information of the beam corresponding to the PUSCH, and information of the beam corresponding to the PUCCH.