Granted Patent B2

US 12,369,124 · App. 17/515,059 · Granted Jul 22, 2025

Inventor: Rongyi Hu (Dongguan, CN)

Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

H04W52/146H04B1/3838H04W88/06

Abstract

Claims (53)

1. A method for limiting uplink transmit power radiation, the method being applied to a High Power User Equipment (HPUE) supporting a Dual Connectivity (DC) mode, wherein the DC mode refers to dual connectivity based on a DC frequency band combination, the DC frequency band combination comprises a Long Term Evolution (LTE) frequency band and a New Radio (NR) frequency band, and the method comprises:

determining a transmit power radiation limitation policy of the HPUE in the DC mode; and

adjusting an uplink transmission configuration of the HPUE according to the transmit power radiation limitation policy, wherein the uplink transmission configuration comprises a maximum uplink duty cycle of at least one of the LTE frequency band or the NR frequency band in the DC frequency band combination;

wherein determining the transmit power radiation limitation policy of the HPUE in the DC mode comprises:

obtaining a transmission mode supported by each DC frequency band combination in at least one DC frequency band combination supported by the HPUE, and obtaining a duplex mode combination and a maximum transmit power combination of the HPUE; and

according to the transmission mode supported by each DC frequency band combination, the duplex mode combination and the maximum transmit power combination, determining the transmit power radiation limitation policy of the HPUE in the DC mode;

wherein in response to that the at least one DC frequency band combination is a frequency band combination that supports a dual transmission mode, and the duplex mode combination is LTE Frequency Division Duplex (FDD)+NR TDD, adjusting the uplink transmission configuration of the HPUE according to the transmit power radiation limitation policy comprises:

determining, by interacting with a network device, that a LTE FDD frequency band supports uplink and downlink configurations of a LTE TDD frequency band; determining a maximum uplink duty cycle of the LTE FDD frequency band and a maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; and sending to the network device the maximum uplink duty cycle of the LTE FDD frequency band and the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE; or

determining, by interacting with the network device, that the LTE FDD frequency band does not support the uplink and downlink configurations of the LTE TDD frequency band; determining the maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; and sending to the network device the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE.

2. The method according to claim 1 , wherein in response to the at least one DC frequency band combination being a frequency band combination that supports the dual transmission mode, and the duplex mode combination is LTE Time Division Duplex (TDD)+NR TDD,

adjusting the uplink transmission configuration of the HPUE according to the transmit power radiation limitation policy comprises:

obtaining a configuration of a LTE TDD frequency band in each DC frequency band combination;

querying a preset uplink duty cycle configuration table to determine a maximum uplink duty cycle of a NR TDD frequency band corresponding to the LTE TDD frequency band, wherein the uplink duty cycle configuration table comprises correspondence relationships between maximum uplink duty cycles of LTE TDD frequency bands and maximum uplink duty cycles of NR TDD frequency bands constrained by the maximum transmit power combination; and

sending to a network device the maximum uplink duty cycle of the NR TDD frequency band corresponding to the LTE TDD frequency band to adjust the uplink transmission configuration of the HPUE.

3. The method according to claim 1 , wherein in response to the at least one DC frequency band combination being a frequency band combination that supports a single transmission mode, and the duplex mode combination is LTE FDD+NR TDD, and

adjusting the uplink transmission configuration of the HPUE according to the transmit power radiation limitation policy comprises:

determining that the HPUE is in a dual transmission mode or switches from a single transmission mode to the dual transmission mode; and determining, by interacting with a network device, that a LTE FDD frequency band supports uplink and downlink configurations of a LTE TDD frequency band; determining a maximum uplink duty cycle of the LTE FDD frequency band and a maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; sending to the network device the maximum uplink duty cycle of the LTE FDD frequency band and the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE; or, determining, by interacting with the network device, that the LTE FDD frequency band does not support the uplink and downlink configurations of the LTE TDD frequency band; determining the maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; sending to the network device the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE;

determining that the HPUE switches from the dual transmission mode to the single transmission mode; in response to the maximum transmit power combination being 23 dBm+23 dBm, sending to the network device a preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission configuration of the HPUE;

in response to that the maximum transmit power combination is 23 dBm+26 dBm, and it is confirmed by interacting with the network device that the time division multiplexing mode is configured as a TDD pattern but the HPUE works in the dual transmission mode, sending to the network device maximum uplink duty cycles that are supportable by the LTE FDD frequency band and the NR FDD frequency band in each DC frequency band combination, respectively, to adjust the uplink transmission configuration of the HPUE;

in response to that the maximum transmit power combination is 23 dBm+23 dBm or 23 dBm+26 dBm, and the network device configures the TDD pattern but the HPUE works in the single transmission mode, sending to the network device the maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination, to adjust the uplink transmission configuration of the HPUE, wherein the maximum uplink duty cycle is configured following the NR TDD frequency band; or

in response to that it is confirmed by interacting with the network device that no TDD pattern is configured, sending to the network device the maximum uplink duty cycles that are supportable by the LTE FDD frequency band and the NR FDD frequency band in each DC frequency band combination support, respectively, to adjust the uplink transmission configuration of the HPUE.

4. The method according to claim 1 , wherein in response to the at least one DC frequency band combination being a frequency band combination that supports a single transmission mode, and the duplex mode combination is LTE TDD+NR TDD,

adjusting the uplink transmission configuration of the HPUE according to the transmit power radiation limitation policy comprises:

in response to the maximum transmit power combination being 23 dBm+23 dBm, adjusting the uplink transmission configuration of the HPUE by the HPUE itself;

in response to that the maximum transmit power combination is 23 dBm+26 dBm, and it is confirmed by interacting with a network device that a TDD pattern is configured, and the HPUE works in a dual transmission state, sending to the network device a preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission configuration of the HPUE;

in response to that the maximum transmit power combination is 23 dBm+26 dBm, and it is confirmed by interacting with the network device that the TDD pattern is configured, and the HPUE works in the single transmission state or switches from the dual transmission state to the single transmission state or switches from the single transmission state to the dual transmission state, sending to the network device the preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission configuration of the HPUE; or

in response to the maximum transmit power combination being 26 dBm+26 dBm, sending to the network device the preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission of the HPUE.

5. A High Power User Equipment (HPUE), wherein the HPUE supports a Dual Connectivity (DC) mode, wherein the DC mode refers to dual connectivity based on a DC frequency band combination, the DC frequency band combination comprises a Long Term Evolution (LTE) frequency band and a New Radio (NR) frequency band,

wherein the HPUE comprising a processor, a memory, a communication interface and one or more programs, the one or more programs are stored in the memory and configured to be executed by the processor, and when the one or more programs are executed by the processor, the HPUE is caused to:

determine a transmit power radiation limitation policy of the HPUE in the DC mode; and

adjust an uplink transmission configuration of the HPUE according to the transmit power radiation limitation policy, wherein the uplink transmission configuration comprises a maximum uplink duty cycle of at least one of the LTE frequency band or the NR frequency band in the DC frequency band combination;

wherein determining the transmit power radiation limitation policy of the HPUE in the DC mode comprises:

obtaining a transmission mode supported by each DC frequency band combination in at least one DC frequency band combination supported by the HPUE, and obtaining a duplex mode combination and a maximum transmit power combination of the HPUE; and

according to the transmission mode supported by each DC frequency band combination, the duplex mode combination and the maximum transmit power combination, determining the transmit power radiation limitation policy of the HPUE in the DC mode;

wherein in response to that the at least one DC frequency band combination is a frequency band combination that supports a dual transmission mode, and the duplex mode combination is LTE Frequency Division Duplex (FDD)+NR TDD, adjusting the uplink transmission configuration of the HPUE according to the transmit power radiation limitation policy comprises:

determining, by interacting with a network device, that a LTE FDD frequency band supports uplink and downlink configurations of a LTE TDD frequency band; determining a maximum uplink duty cycle of the LTE FDD frequency band and a maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; and sending to the network device the maximum uplink duty cycle of the LTE FDD frequency band and the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE; or

determining, by interacting with the network device, that the LTE FDD frequency band does not support the uplink and downlink configurations of the LTE TDD frequency band; determining the maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; and sending to the network device the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE.

6. The HPUE according to claim 5 , wherein when the one or more programs are executed by the processor, the HPUE is caused to:

in response to the at least one DC frequency band combination being a frequency band combination that supports the dual transmission mode, and the duplex mode combination is LTE Time Division Duplex (TDD)+NR TDD, obtain a configuration of a LTE TDD frequency band in each DC frequency band combination;

query a preset uplink duty cycle configuration table to determine a maximum uplink duty cycle of a NR TDD frequency band corresponding to the LTE TDD frequency band, wherein the uplink duty cycle configuration table comprises correspondence relationships between maximum uplink duty cycles of LTE TDD frequency bands and maximum uplink duty cycles of NR TDD frequency bands constrained by the maximum transmit power combination; and

send to a network device the maximum uplink duty cycle of the NR TDD frequency band corresponding to the LTE TDD frequency band to adjust the uplink transmission configuration of the HPUE.

7. The HPUE according to claim 5 , wherein when the one or more programs are executed by the processor, the HPUE is caused to:

in response to the at least one DC frequency band combination being a frequency band combination that supports a single transmission mode, and the duplex mode combination is LTE FDD+NR TDD, determine that the HPUE is in a dual transmission mode or switches from a single transmission mode to the dual transmission mode; and determine, by interacting with a network device, that a LTE FDD frequency band supports uplink and downlink configurations of a LTE TDD frequency band; determine a maximum uplink duty cycle of the LTE FDD frequency band and a maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; send to the network device the maximum uplink duty cycle of the LTE FDD frequency band and the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE; or, determine, by interacting with the network device, that the LTE FDD frequency band does not support the uplink and downlink configurations of the LTE TDD frequency band; determine the maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination; send to the network device the maximum uplink duty cycle of the NR TDD frequency band to adjust the uplink transmission configuration of the HPUE;

determine that the HPUE switches from the dual transmission mode to the single transmission mode; in response to the maximum transmit power combination being 23 dBm+23 dBm, sending to the network device a preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission configuration of the HPUE;

in response to that the maximum transmit power combination is 23 dBm+26 dBm, and it is confirmed by interacting with the network device that the time division multiplexing mode is configured as a TDD pattern but the HPUE works in the dual transmission mode, send to the network device maximum uplink duty cycles that are supportable by the LTE FDD frequency band and the NR FDD frequency band in each DC frequency band combination, respectively, to adjust the uplink transmission configuration of the HPUE;

in response to that the maximum transmit power combination is 23 dBm+23 dBm or 23 dBm+26 dBm, and the network device configures the TDD pattern but the HPUE works in the single transmission mode, send to the network device the maximum uplink duty cycle of the NR TDD frequency band in each DC frequency band combination, to adjust the uplink transmission configuration of the HPUE, wherein the maximum uplink duty cycle is configured following the NR TDD frequency band; or

in response to that it is confirmed by interacting with the network device that no TDD pattern is configured, send to the network device the maximum uplink duty cycles that are supportable by the LTE FDD frequency band and the NR FDD frequency band in each DC frequency band combination support, respectively, to adjust the uplink transmission configuration of the HPUE.

8. The HPUE according to claim 5 , wherein when the one or more programs are executed by the processor, the HPUE is caused to:

in response to the at least one DC frequency band combination being a frequency band combination that supports a single transmission mode, and the duplex mode combination is LTE TDD+NR TDD:

in response to the maximum transmit power combination being 23 dBm+23 dBm, adjust the uplink transmission configuration of the HPUE by the HPUE itself;

in response that the maximum transmit power combination is 23 dBm+26 dBm, and it is confirmed by interacting with a network device that a TDD pattern is configured, and the HPUE works in a dual transmission state, send to the network device a preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission configuration of the HPUE;

in response to that the maximum transmit power combination is 23 dBm+26 dBm, and it is confirmed by interacting with the network device that the TDD pattern is configured, and the HPUE works in the single transmission state or switches from the dual transmission state to the single transmission state or switches from the single transmission state to the dual transmission state, send to the network device the preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission configuration of the HPUE; or

in response to the maximum transmit power combination being 26 dBm+26 dBm, send to the network device the preset maximum uplink duty cycle of each DC frequency band combination to adjust the uplink transmission of the HPUE.

Assignments (1)

Continuity (2)

References Cited (24)