Power acquisition method, device and node equipment

Abstract

The present application discloses a power acquisition method, device and node equipment, belonging to the field of communication technology. The power acquisition method of the present application includes: obtaining the configured power, the configured power includes at least one of the first configured power and the second configured power, the first configured power refers to the power configured for the distribution unit DU of the self-backhaul IAB node, the second configured power includes the configured power of the MT in the IAB node and the power configured for at least one cell group of the MT, or the second configured power includes the power configured for at least one cell group of the MT; determining the transmit power of the DU and the transmit power of at least one cell group of the MT, at least one of the transmit power of the DU and the transmit power of at least one cell group of the MT is determined according to the configured power and the transmit priority.

Claims

1. A power acquisition method, applied to a node device, characterized in that: include: Acquire a configured power, where the configured power includes at least one of a first configured power and a second configured power, where the first configured power refers to a power configured for a distribution unit DU of a self-backhaul IAB node, and the second configured power includes a configured power of an MT in the IAB node and a power configured for at least one cell group of the MT, or the second configured power includes a power configured for at least one cell group of the MT; Determine a transmit power of the DU and a transmit power of at least one cell group of the MT, wherein at least one of the transmit power of the DU and the transmit power of at least one cell group of the MT is determined according to the configured power and the transmit priority; The transmission priority includes at least one of: a transmission priority of a DU, a transmission priority of an MT, and a transmission priority of at least one cell group of the MT.

2. The power acquisition method according to claim 1, characterized in that: Determining the transmit power of the DU and the transmit power of at least one cell group of the MT includes: Determining a transmit power of the DU and a transmit power of the MT, wherein at least one of the transmit power of the DU and the transmit power of the MT is determined according to the configured power and the transmit priority; The transmission power of at least one cell group of the MT is determined according to the transmission power of the MT or a preset fixed power value.

3. The power acquisition method according to claim 2, characterized in that: The first configured power is the transmit power or maximum transmit power Q configured for the DU DU The second configured power is the transmit power or maximum transmit power Q configured for the MT MT ; The determining the transmit power of the DU includes: In the case where the MT's transmission priority is higher than the DU's transmission priority, according to the total power P of the IAB node total The difference between the transmission power of MT and Q DU , determine the transmit power of the DU; Alternatively, when the transmission priority of the DU is higher than the transmission priority of the MT, the transmission power of the DU is determined, and the transmission power of the DU is less than or equal to Q DU .

4. The power acquisition method according to claim 2, characterized in that: The first configuration power Q DU is the transmit power or maximum transmit power configured for the DU, and the second configured power Q MT is the transmit power or maximum transmit power configured for the MT; The determining the transmission power of the MT includes: In the case where the transmission priority of the MT is higher than the transmission priority of the DU, the transmission power of the MT is determined, and the transmission power of the MT is less than or equal to Q MT ; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total The difference between the transmission power of DU and Q MT , determine the MT's transmit power.

5. The power acquisition method according to claim 3 or 4, characterized in that: Q DU +Q MT >P total 。 6. The power acquisition method according to claim 2, characterized in that: The first configured power is the minimum guaranteed power P configured for the DU. DU , the second configured power is the minimum guaranteed power P configured by the MT MT ; The determining the transmit power of the DU includes: In the case where the MT's transmission priority is higher than the DU's transmission priority, according to the total power P of the IAB node total The first difference between the transmit power of the MT and the transmit power of the DU is used to determine the transmit power of the DU; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total With P MT The second difference is used to determine the transmit power of the DU.

7. The power acquisition method according to claim 2, characterized in that: The first configured power is the minimum guaranteed power P configured for the DU. DU , the second configured power is the minimum guaranteed power P configured by the MT MT ; The determining the transmission power of the MT includes: In the case where the MT's transmission priority is higher than the DU's transmission priority, according to the total power P of the IAB node total With P DU The third difference of , determines the transmit power of the MT; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total The fourth difference between the transmit power of the DU and the transmit power of the MT is used to determine the transmit power of the MT.

8. The power acquisition method according to claim 7, characterized in that: The determining the transmission power of the MT includes: Determine the actual maximum transmit power of the MT; The transmit power of the MT is determined at least according to the actual maximum transmit power of the MT.

9. The power acquisition method according to claim 8, characterized in that: The determining the actual maximum transmit power of the MT includes: In the presence of P cmax In the case of cmax The smaller value is used as the actual maximum transmit power of the MT; Alternatively, in the presence of P cmax In the case of cmax The smaller value of cmax It is the maximum transmit power of the MT agreed upon by the protocol or pre-configured.

10. The power acquisition method according to claim 2, characterized in that: The first configuration power includes Q DU and / or P DU , the second configuration power includes Q MT and / or P MT , where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU It refers to the minimum guaranteed power configured for the DU; Q MT It refers to the transmit power or maximum transmit power configured for the MT, P MT It refers to the minimum guaranteed power configured for the MT; The determining the transmit power of the DU includes: In the case where the MT's transmission priority is higher than the DU's transmission priority, according to the total power P of the IAB node total The difference between the transmission power of MT and Q DU , determine the transmit power of the DU; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total With P MT The difference and Q DU , determine the transmission power of DU.

11. The power acquisition method according to claim 2, characterized in that: The first configuration power includes Q DU and / or P DU , the second configuration power includes Q MT and / or P MT , where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU It refers to the minimum guaranteed power configured for the DU; Q MT It refers to the transmit power or maximum transmit power configured for the MT, P MT It refers to the minimum guaranteed power configured for the MT; The determining the transmission power of the MT includes: In the case where the MT's transmission priority is higher than the DU's transmission priority, according to the total power P of the IAB node total With P DU The difference and Q MT , determine the transmission power of MT; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total The difference between the transmission power of DU and Q MT , determine the MT's transmit power.

12. The power acquisition method according to claim 2, characterized in that: The second configured power includes the maximum transmit power Q configured for the MT primary cell group MCG and the maximum transmit power Q configured for the MT secondary cell group SCG ; The transmit power of the MT includes the maximum transmit power configured for the MT, the maximum transmit power of the MT agreed upon in the protocol, or the actual maximum transmit power of the MT; Determining the transmit power of at least one cell group of the MT according to the transmit power of the MT or a preset fixed power value, including: According to the Q MCG and Q SCG , according to the preset power sharing rule, obtain the maximum transmit power of the MT primary cell group and the maximum transmit power of the MT secondary cell group; Wherein, the preset power sharing rule includes a first power sharing rule, a second power sharing rule and a third power sharing rule; The first power sharing rule refers to the MCG With Q SCG When the sum is greater than the target power, dynamic power sharing is performed; The second power sharing rule refers to the MCG With Q SCG When the sum of the power is less than or equal to the target power, semi-static power sharing is performed; The third power sharing rule is to perform dynamic power sharing; The target power is the transmit power of the MT or a preset fixed power value.

13. The power acquisition method according to claim 12, characterized in that: Before obtaining the maximum transmit power of the MT primary cell group and the maximum transmit power of the MT secondary cell group, the following steps are also included: In the case where the preset fixed power value is different from the MT's transmit power, the Q MCG and Q SCG At least one of the following must be adjusted.

14. The power acquisition method according to claim 1, characterized in that: The first configuration power is Q DU , Q DU refers to the transmit power or maximum transmit power configured for the DU, the second configured power includes Q1 and Q2, Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, and Q2 refers to the configured transmit power or maximum transmit power for the MT secondary cell group; Determining the transmit power of the DU and the transmit power of at least one cell group of the MT includes: In the case where the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, according to min(Q x , P total -sum(pwr y )), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is at least one of a DU, an MT secondary cell group, and an MT primary cell group in the IAB node, the second unit includes the DU, the MT secondary cell group, or the MT primary cell group, and the first unit is different from the second unit; Q x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2, pwr y represents the transmission power of the first unit, P total is the total power of the IAB node.

15. The power acquisition method according to claim 14, characterized in that: Q DU +Q1+Q2>P total 。 16. The power acquisition method according to claim 1, characterized in that: The first configuration power includes Q DU , Q DU refers to the transmit power or maximum transmit power configured for the DU, the second configured power includes Q1 and Q2, Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, and Q2 refers to the configured transmit power or maximum transmit power for the MT secondary cell group; Determining the transmit power of the DU and the transmit power of at least one cell group of the MT includes: The sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, and Q1+Q2>P cmax In the case of min(P cmax –sum(pwr k ), Q x , P total -sum(pwr y )), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is at least one of the DU, MT secondary cell group and MT primary cell group in the IAB node, the second unit is a cell group in the MT, and the first unit is different from the second unit; k represents the transmission power of the k unit in the MT, and the transmission priority of the k unit is higher than the transmission priority of the second unit, P cmax Q is the maximum transmission power of MT agreed upon in the protocol; x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2, pwr y Indicates the transmission power of the first unit.

17. The power acquisition method according to claim 1, characterized in that: The first configuration power includes P DU The second configuration power includes P1 and P2, the P DU refers to the minimum guaranteed power configured for the DU, the P1 refers to the minimum guaranteed power configured for the MT primary cell group, and the P2 refers to the minimum guaranteed power configured for the MT secondary cell group; Determining the transmit power of the DU and the transmit power of at least one cell group of the MT includes: In the case where the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, and the sending priority of the second unit x is higher than the sending priority of the third unit z in the IAB node, according to P total –sum(pwr y )–sum(P z ), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the second unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the third unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, and the first unit, the second unit, and the third unit are different; The PWR y represents the transmission power of the first unit, P z represents the minimum guaranteed power configured for the third unit, P z Equal to P DU , P1 or P2.

18. The power acquisition method according to claim 1, characterized in that: The first configuration power includes Q DU and P DU The second configuration power includes Q1, Q2, P1 and P2, where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU Refers to the minimum guaranteed power configured for DU; Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, Q2 refers to the transmit power or maximum transmit power configured for the MT secondary cell group, P1 refers to the minimum guaranteed power configured for the MT primary cell group, and P2 refers to the minimum guaranteed power configured for the MT secondary cell group; Determining the transmit power of the DU and the transmit power of at least one cell group of the MT includes: In the case where the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, and the sending priority of the second unit x is higher than the sending priority of the third unit z in the IAB node, according to min{Q x ,P total –sum(pwr y )–sum(P z )}, determining a transmit power or an actual maximum transmit power of the second unit; The first unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the second unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the third unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, and the first unit, the second unit, and the third unit are different; The PWR y represents the transmission power of the first unit, P z represents the minimum guaranteed power configured for the third unit, P z Equal to P DU , P1 or P2, Q x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2.

19. The power acquisition method according to claim 1, characterized in that: The first configuration power includes Q DU and P DU The second configuration power includes Q1, Q2, P1 and P2, where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU Refers to the minimum guaranteed power configured for DU; Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, Q2 refers to the transmit power or maximum transmit power configured for the MT secondary cell group, P1 refers to the minimum guaranteed power configured for the MT primary cell group, and P2 refers to the minimum guaranteed power configured for the MT secondary cell group; Determining the transmit power of the DU and the transmit power of at least one cell group of the MT includes: In the case where the transmission priority of the first unit y in the IAB node is higher than the transmission priority of the second unit x in the IAB node, and the transmission priority of the second unit x is higher than the transmission priority of the third unit z in the IAB node, and Q1+Q2>P cmax In the case of min(P cmax -sum(pwr k )-sum(P s ), Q x , P total -sum(pwr y )–sum(P z )), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the second unit is a cell group in the MT, the third unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, and the first unit, the second unit, and the third unit are different; The PWR y represents the transmission power of the first unit, P z represents the minimum guaranteed power configured for the third unit, P z Equal to P DU , P1 or P2, Q x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2; pwr k represents the transmission power of the k unit in the MT, and the transmission priority of the k unit is higher than the transmission priority of the second unit, P cmax is the maximum transmission power of MT agreed upon in the protocol; P s It indicates the minimum guaranteed power configured for the s unit in the MT, and the transmission priority of the s unit is lower than the transmission priority of the second unit.

20. The power acquisition method according to claim 1, characterized in that: After determining the transmit power of the DU and the transmit power of at least one cell group of the MT, the method further includes: Reporting at least one power headroom report PHR; The power upper limit of the PHR calculation is assumed to be at least one of the following: at least one configured maximum transmit power; At least one maximum power agreed upon by a protocol; at least one actual maximum transmit power; Minimum guaranteed power for at least one configuration.

21. The power acquisition method according to claim 1, characterized in that: The sending priority is determined by at least one of the following methods: Agreement; Network configuration; The transmission priority of the physical layer.

22. A power acquisition device, applied to a node device, characterized in that: include: A first acquisition module is used to acquire a configured power, where the configured power includes at least one of a first configured power and a second configured power, where the first configured power refers to a power configured for a distribution unit DU of a self-backhaul IAB node, and the second configured power includes a configured power of an MT in the IAB node and a power configured for at least one cell group of the MT, or the second configured power includes a power configured for at least one cell group of the MT; A first determination module is used to determine the transmit power of the DU and the transmit power of at least one cell group of the MT, wherein at least one of the transmit power of the DU and the transmit power of at least one cell group of the MT is determined according to the configured power and the transmit priority; The transmission priority includes at least one of: a transmission priority of a DU, a transmission priority of an MT, and a transmission priority of at least one cell group of the MT.

23. The power acquisition device according to claim 22, characterized in that: The first determining module comprises: A first determination submodule, configured to determine a transmit power of the DU and a transmit power of the MT, wherein at least one of the transmit power of the DU and the transmit power of the MT is determined according to the configured power and the transmit priority; The second determination submodule is used to determine the transmission power of at least one cell group of the MT according to the transmission power of the MT or a preset fixed power value.

24. The power acquisition device according to claim 23, characterized in that: The first configured power is the transmit power or maximum transmit power Q configured for the DU DU The second configured power is the transmit power or maximum transmit power Q configured for the MT MT ; The first determining submodule is used for determining the transmission priority of the MT according to the total power P of the IAB node when the transmission priority of the MT is higher than the transmission priority of the DU. total The difference between the transmission power of MT and Q DU , determine the transmit power of the DU; Alternatively, when the transmission priority of the DU is higher than the transmission priority of the MT, the transmission power of the DU is determined, and the transmission power of the DU is less than or equal to Q DU .

25. The power acquisition device according to claim 23, characterized in that: The first configuration power Q DU is the transmit power or maximum transmit power configured for the DU, and the second configured power Q MT is the transmit power or maximum transmit power configured for the MT; The first determination submodule is used to determine the transmission power of the MT when the transmission priority of the MT is higher than the transmission priority of the DU, and the transmission power of the MT is less than or equal to Q MT ; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total The difference between the transmission power of DU and Q MT , determine the MT's transmit power.

26. The power acquisition device according to claim 24 or 25, characterized in that: Q DU +Q MT >P total 。 27. The power acquisition device according to claim 23, characterized in that: The first configured power is the minimum guaranteed power P configured for the DU. DU , the second configured power is the minimum guaranteed power P configured by the MT MT ; The first determining submodule is used for determining the transmission priority of the MT according to the total power P of the IAB node when the transmission priority of the MT is higher than the transmission priority of the DU. total The first difference between the transmit power of the MT and the transmit power of the DU is used to determine the transmit power of the DU; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total With P MT The second difference is used to determine the transmit power of the DU.

28. The power acquisition device according to claim 23, characterized in that: The first configured power is the minimum guaranteed power P configured for the DU. DU , the second configured power is the minimum guaranteed power P configured by the MT MT ; The first determining submodule is used for determining the transmission priority of the MT according to the total power P of the IAB node when the transmission priority of the MT is higher than the transmission priority of the DU. total With P DU The third difference of , determines the transmit power of the MT; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total The fourth difference between the transmit power of the DU and the transmit power of the MT is used to determine the transmit power of the MT.

29. The power acquisition device according to claim 28, characterized in that: The first determining submodule includes: A first determining unit, configured to determine an actual maximum transmit power of the MT; The second determining unit is used to determine the transmission power of the MT at least according to the actual maximum transmission power of the MT.

30. The power acquisition device according to claim 29, characterized in that: The first determining unit is configured to determine whether there is a P in the MT cmax In the case of cmax The smaller value is used as the actual maximum transmit power of the MT; Alternatively, in the presence of P cmax In the case of cmax The smaller value of cmax It is the maximum transmit power of the MT agreed upon by the protocol or pre-configured.

31. The power acquisition device according to claim 23, characterized in that: The first configuration power includes Q DU and / or P DU , the second configuration power includes Q MT and / or P MT , where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU It refers to the minimum guaranteed power configured for the DU; Q MT It refers to the transmit power or maximum transmit power configured for the MT, P MT It refers to the minimum guaranteed power configured for the MT; The first determining submodule is used for determining the transmission priority of the MT according to the total power P of the IAB node when the transmission priority of the MT is higher than the transmission priority of the DU. total The difference between the transmission power of MT and Q DU , determine the transmit power of the DU; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total With P MT The difference and Q DU , determine the transmission power of DU.

32. The power acquisition device according to claim 23, characterized in that: The first configuration power includes Q DU and / or P DU , the second configuration power includes Q MT and / or P MT , where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU It refers to the minimum guaranteed power configured for the DU; Q MT It refers to the transmit power or maximum transmit power configured for the MT, P MT It refers to the minimum guaranteed power configured for the MT; The first determining submodule is used for determining the transmission priority of the MT according to the total power P of the IAB node when the transmission priority of the MT is higher than the transmission priority of the DU. total With P DU The difference and Q MT , determine the transmission power of MT; Alternatively, when the transmission priority of DU is higher than that of MT, the total power P of the IAB node is total The difference between the transmission power of DU and Q MT , determine the MT's transmit power.

33. The power acquisition device according to claim 23, characterized in that: The second configured power includes the maximum transmit power Q configured for the MT primary cell group MCG and the maximum transmit power Q configured for the MT secondary cell group SCG ; The transmit power of the MT includes the maximum transmit power configured for the MT, the maximum transmit power of the MT agreed upon in the protocol, or the actual maximum transmit power of the MT; The second determination submodule is used to determine the MCG and Q SCG , according to the preset power sharing rule, obtain the maximum transmit power of the MT primary cell group and the maximum transmit power of the MT secondary cell group; Wherein, the preset power sharing rule includes a first power sharing rule, a second power sharing rule and a third power sharing rule; The first power sharing rule refers to the MCG With Q SCG When the sum is greater than the target power, dynamic power sharing is performed; The second power sharing rule refers to the MCG With Q SCG When the sum of the power is less than or equal to the target power, semi-static power sharing is performed; The third power sharing rule is to perform dynamic power sharing; The target power is the transmit power of the MT or a preset fixed power value.

34. The power acquisition device according to claim 33, characterized in that: The first determination module also includes: an adjustment submodule for, before the second determination submodule obtains the maximum transmission power of the MT primary cell group and the maximum transmission power of the MT secondary cell group, when the preset power fixed value is different from the transmission power of the MT, adjusting the Q according to the difference between the preset power fixed value and the transmission power of the MT. MCG and Q SCG At least one of the following must be adjusted.

35. The power acquisition device according to claim 22, characterized in that: The first configuration power is Q DU , Q DU refers to the transmit power or maximum transmit power configured for the DU, the second configured power includes Q1 and Q2, Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, and Q2 refers to the configured transmit power or maximum transmit power for the MT secondary cell group; The first determining module is used for determining, when the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, according to min(Q x , P total -sum(pwr y )), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is at least one of a DU, an MT secondary cell group, and an MT primary cell group in the IAB node, the second unit includes the DU, the MT secondary cell group, or the MT primary cell group, and the first unit is different from the second unit; Q x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2, pwr y represents the transmission power of the first unit, P total is the total power of the IAB node.

36. The power acquisition device according to claim 35, characterized in that: Q DU +Q1+Q2>P total 。 37. The power acquisition device according to claim 22, characterized in that: The first configuration power includes Q DU , Q DU refers to the transmit power or maximum transmit power configured for the DU, the second configured power includes Q1 and Q2, Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, and Q2 refers to the configured transmit power or maximum transmit power for the MT secondary cell group; The first determining module is used to determine that the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, and Q1+Q2>P cmax In the case of min(P cmax –sum(pwr k ), Q x , P total -sum(pwr y )), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is at least one of the DU, MT secondary cell group and MT primary cell group in the IAB node, the second unit is a cell group in the MT, and the first unit is different from the second unit; k represents the transmission power of the k unit in the MT, and the transmission priority of the k unit is higher than the transmission priority of the second unit, P cmax is the maximum transmission power of MT agreed upon in the protocol; Q x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2, pwr y Indicates the transmission power of the first unit.

38. The power acquisition device according to claim 22, characterized in that: The first configuration power includes P DU The second configuration power includes P1 and P2, the P DU refers to the minimum guaranteed power configured for the DU, the P1 refers to the minimum guaranteed power configured for the MT primary cell group, and the P2 refers to the minimum guaranteed power configured for the MT secondary cell group; The first determining module is used for determining, according to P, when the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, and the sending priority of the second unit x is higher than the sending priority of the third unit z in the IAB node. total –sum(pwr y )–sum(P z ), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the second unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the third unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, and the first unit, the second unit, and the third unit are different; The PWR y represents the transmission power of the first unit, P z represents the minimum guaranteed power configured for the third unit, P z Equal to P DU , P1 or P2.

39. The power acquisition device according to claim 22, characterized in that: The first configuration power includes Q DU and P DU The second configuration power includes Q1, Q2, P1 and P2, where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU Refers to the minimum guaranteed power configured for DU; Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, Q2 refers to the transmit power or maximum transmit power configured for the MT secondary cell group, P1 refers to the minimum guaranteed power configured for the MT primary cell group, and P2 refers to the minimum guaranteed power configured for the MT secondary cell group; The first determining module is used for determining, according to min{Q, when the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, and the sending priority of the second unit x is higher than the sending priority of the third unit z in the IAB node. x ,P total –sum(pwr y )–sum(P z )}, determining a transmit power or an actual maximum transmit power of the second unit; The first unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the second unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the third unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, and the first unit, the second unit, and the third unit are different; The PWR y represents the transmission power of the first unit, P z represents the minimum guaranteed power configured for the third unit, P z Equal to P DU , P1 or P2, Q x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2.

40. The power acquisition device according to claim 22, characterized in that: The first configuration power includes Q DU and P DU The second configuration power includes Q1, Q2, P1 and P2, where Q DU It refers to the transmit power or maximum transmit power configured for the DU. DU Refers to the minimum guaranteed power configured for DU; Q1 refers to the transmit power or maximum transmit power configured for the MT primary cell group, Q2 refers to the transmit power or maximum transmit power configured for the MT secondary cell group, P1 refers to the minimum guaranteed power configured for the MT primary cell group, and P2 refers to the minimum guaranteed power configured for the MT secondary cell group; The first determining module is used when the sending priority of the first unit y in the IAB node is higher than the sending priority of the second unit x in the IAB node, the sending priority of the second unit x is higher than the sending priority of the third unit z in the IAB node, and Q1+Q2>P cmax In the case of min(P cmax -sum(pwr k )-sum(P s ), Q x , P total -sum(pwr y )–sum(P z )), determining a transmit power or an actual maximum transmit power of the second unit; The first unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, the second unit is a cell group in the MT, the third unit is a DU, an MT secondary cell group, or an MT primary cell group in the IAB node, and the first unit, the second unit, and the third unit are different; The PWR y represents the transmission power of the first unit, P z represents the minimum guaranteed power configured for the third unit, P z Equal to P DU , P1 or P2, Q x represents the maximum transmit power or transmit power configured for the second unit, Q x Q DU , Q1 or Q2; pwr k represents the transmission power of the k unit in the MT, and the transmission priority of the k unit is higher than the transmission priority of the second unit, P cmax P is the maximum transmission power of MT agreed upon in the protocol; s It indicates the minimum guaranteed power configured for the s unit in the MT, and the transmission priority of the s unit is lower than the transmission priority of the second unit.

41. The power acquisition device according to claim 22, characterized in that: Also includes: A reporting module, configured to report at least one power headroom report PHR after the first determining module determines the transmit power of the DU and the transmit power of at least one cell group of the MT; The power upper limit of the PHR calculation is assumed to be at least one of the following: at least one configured maximum transmit power; At least one maximum power agreed upon by a protocol; at least one actual maximum transmit power; Minimum guaranteed power for at least one configuration.

42. The power acquisition device according to claim 22, characterized in that: The sending priority is determined by at least one of the following methods: Agreement; Network configuration; The transmission priority of the physical layer.

43. A node device, characterized in that: It includes a processor, a memory, and a program or instruction stored in the memory and executable on the processor, wherein the program or instruction, when executed by the processor, implements the steps of the power acquisition method as described in any one of claims 1 to 21.

44. A readable storage medium, characterized in that The readable storage medium stores a program or instruction, and when the program or instruction is executed by the processor, the steps of the power acquisition method according to any one of claims 1 to 21 are implemented.

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