Wireless communication method and terminal device
View Patent ↗A method for wireless communication, applied to a network device in communication with a terminal device, is disclosed. The terminal device connects with a first network and a second network and the network device is in the second network. The method includes reducing, by the network device when an uplink duty cycle of the second network is greater than a maximum uplink duty cycle of the second network, the uplink duty cycle of the second network. The uplink duty cycle of the second network is a proportion of time domain resources that can be used for uplink transmission in a time unit.
1. A method for wireless communication, applied to a network device in communication with a terminal device, wherein the terminal device connects with a first network and a second network, the network device is in the second network, the method comprising:
reducing, by the network device when an uplink duty cycle of the second network is greater than a maximum uplink duty cycle of the second network, the uplink duty cycle of the second network, wherein the uplink duty cycle of the second network is a proportion of time domain resources that can be used for uplink transmission in a time unit.
2. The method according to claim 1 , wherein the uplink duty cycle of the second network is configured by the network device, or is determined autonomously by the terminal device.
3. The method according to claim 1 , further comprising:
receiving, by the network device, the maximum uplink duty cycle of the second network from the terminal device.
4. The method according to claim 1 , further comprising:
receiving, by the network device from the terminal device, a current uplink-downlink ratio of the first network and a correspondence between uplink-downlink ratios of the first network and maximum uplink duty cycles of the second network; and
determining, by the network device, the maximum uplink duty cycle of the second network according to the current uplink-downlink ratio of the first network and the correspondence.
5. The method according to claim 4 , wherein the correspondence comprises a plurality of first correspondences, and the determining, by the network device, the maximum uplink duty cycle of the second network according to the current uplink-downlink ratio of the first network and the correspondence comprises:
determining, by the network device, the maximum uplink duty cycle of the second network according to a maximum transmit power of the first network, a maximum transmit power of the second network, the current uplink-downlink ratio of the first network, and the plurality of first correspondences.
6. The method according to claim 5 , wherein the plurality of first correspondences is obtained by the terminal device through:
determining, by adjusting an uplink ratio of the second network when the first network transmits a signal at a first maximum output power and the second network transmits a signal at a second maximum output power, a target uplink duty cycle of the second network when a specific absorption ratio (SAR) value reaches a preset value; and
determining the target uplink duty cycle of the second network as the maximum uplink duty cycle of the second network corresponding to a first uplink-downlink ratio, wherein the first uplink-downlink ratio is a current uplink-downlink ratio of the first network.
7. The method according to claim 6 , wherein the first maximum output power is 23 dBm or 26 dBm.
8. The method according to claim 6 , wherein the second maximum output power is 23 dBm or 26 dBm.
9. The method according to claim 1 , wherein the first network is a long term evolution (LTE) network, and the second network is a new radio (NR) network.
10. A network device, communicating with a terminal device, wherein the terminal device connects with a first network and a second network, the network device is in the second network, and the network device comprises a processor and a memory, wherein the memory is configured to store a computer program, and the processor, when calling and running the computer program stored in the memory, is configured to:
reduce, when an uplink duty cycle of the second network is greater than a maximum uplink duty cycle of the second network, the uplink duty cycle of the second network, wherein the uplink duty cycle of the second network is a proportion of time domain resources that can be used for uplink transmission in a time unit.
11. The network device according to claim 10 , wherein the uplink duty cycle of the second network is configured by the network device, or is determined autonomously by the terminal device.
12. The network device according to claim 10 , wherein the processor is further configured to:
receive the maximum uplink duty cycle of the second network from the terminal device.
13. The network device according to claim 10 , wherein the processor is further configured to:
receive, from the terminal device, a current uplink-downlink ratio of the first network and a correspondence between uplink-downlink ratios of the first network and maximum uplink duty cycles of the second network; and
determine the maximum uplink duty cycle of the second network according to the current uplink-downlink ratio of the first network and the correspondence.
14. The network device according to claim 13 , wherein the correspondence comprises a plurality of first correspondences, and the processor is further configured to:
determine the maximum uplink duty cycle of the second network according to a maximum transmit power of the first network, a maximum transmit power of the second network, the current uplink-downlink ratio of the first network, and the plurality of first correspondences.
15. The network device according to claim 14 , wherein the plurality of first correspondences is obtained by the terminal device through:
determining, by adjusting an uplink ratio of the second network when the first network transmits a signal at a first maximum output power and the second network transmits a signal at a second maximum output power, a target uplink duty cycle of the second network when a specific absorption ratio (SAR) value reaches a preset value; and
determining the target uplink duty cycle of the second network as the maximum uplink duty cycle of the second network corresponding to a first uplink-downlink ratio, wherein the first uplink-downlink ratio is a current uplink-downlink ratio of the first network.
16. The network device according to claim 15 , wherein the first maximum output power is 23 dBm or 26 dBm.
17. The network device according to claim 15 , wherein the second maximum output power is 23 dBm or 26 dBm.
18. The network device according to claim 10 , wherein the first network is a long term evolution (LTE) network, and the second network is a new radio (NR) network.
19. A chip, comprising a processor configured to call and run a computer program from a memory, thereby causing a network device provided with the chip to implement a method for wireless communication, wherein the network device is in communication with a terminal device, the terminal device connects with a first network and a second network, the network device is in the second network, and the method comprises:
reducing, when an uplink duty cycle of the second network is greater than a maximum uplink duty cycle of the second network, the uplink duty cycle of the second network, wherein the uplink duty cycle of the second network is a proportion of time domain resources that can be used for uplink transmission in a time unit.