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CN-122002438-A - Cell switching method, device, equipment, storage medium and computer program product

CN122002438ACN 122002438 ACN122002438 ACN 122002438ACN-122002438-A

Abstract

The application provides a cell switching method, a device, equipment, a storage medium and a computer program product, wherein the cell switching method comprises the steps of obtaining a first energy efficiency index of a target terminal in a source cell and a second energy efficiency index of the target terminal in a neighboring cell, wherein the first energy efficiency index is determined according to a first transmission flow corresponding to the target terminal and source cell energy consumption corresponding to the first transmission flow, the second energy efficiency index is determined according to a second transmission flow corresponding to the target terminal and neighboring cell energy consumption corresponding to the second transmission flow, the first transmission flow is the same as or different from the second transmission flow, obtaining a difference value between the first energy efficiency index and the second energy efficiency index, and controlling the target terminal to conduct cell switching according to the difference value. The method and the system can support to realize an energy-efficiency-based user switching strategy, actively adjust user distribution, guide the user to reside in the cell with high energy efficiency, further improve network energy efficiency and solve the problem that the cell switching scheme in the prior art causes the reduction of the overall energy efficiency of the network.

Inventors

  • ZHANG CONG
  • LIU JIANHUA
  • YANG QIAN
  • MA JIAN

Assignees

  • 中国移动通信有限公司研究院
  • 中国移动通信集团有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (20)

  1. 1. A cell switching method applied to a first base station, comprising: The method comprises the steps of obtaining a first energy efficiency index of a target terminal in a source cell and a second energy efficiency index of the target terminal in a neighboring cell, wherein the first energy efficiency index is determined according to a first transmission flow corresponding to the target terminal and source cell energy consumption corresponding to the first transmission flow; Acquiring a difference value between the first energy efficiency index and the second energy efficiency index; And controlling the target terminal to carry out cell switching according to the difference value.
  2. 2. The method for cell switching according to claim 1, wherein obtaining a first energy efficiency indicator of the target terminal in the source cell comprises: Determining energy consumption of a source cell corresponding to the first transmission flow according to first information, wherein the first information comprises an equipment idle power consumption value, an equipment full power consumption value, a downlink Physical Resource Block (PRB) available amount and a first symbol duration, and an average PRB occupied amount and a first symbol occupied amount, which correspond to the source cell; and determining a first energy efficiency index of the target terminal in the source cell according to the first transmission flow and the energy consumption of the source cell, wherein the first transmission flow is downlink data flow of the target terminal in a first duration.
  3. 3. The method for cell handover according to claim 2, wherein the first information further includes an average value of the number of actual spatial multiplexing layers of the target terminal within the first duration and a maximum value of the number of spatial multiplexing layers supported by the source cell.
  4. 4. The method for cell handover according to claim 1, wherein obtaining the second energy efficiency indicator of the target terminal in the neighboring cell comprises: acquiring a second symbol occupation amount of a neighboring cell according to a first PRB utilization rate of the neighboring cell and first measurement information obtained by the target terminal for measuring the neighboring cell, wherein the second symbol occupation amount refers to the number of symbols required to be scheduled for transmitting the second transmission flow; And acquiring a second energy efficiency index of the target terminal in the adjacent cell according to the second transmission flow, the first PRB utilization rate, the second symbol occupation amount and second information, wherein the second information comprises a device no-load power consumption value, a device full-load power consumption value and a second symbol duration corresponding to the adjacent cell.
  5. 5. The method for cell handover according to claim 1, wherein obtaining the second energy efficiency indicator of the target terminal in the neighboring cell comprises: the first measurement information obtained by the target terminal aiming at the neighbor cell is sent to a second base station where the neighbor cell is located; And receiving a second energy efficiency index of the target terminal in the adjacent cell fed back by the second base station.
  6. 6. The method for cell switching according to claim 1, wherein the controlling the target terminal to perform cell switching according to the difference value includes: Determining neighbor cells with energy consumption indexes superior to those of the source cell as candidate cells according to the difference values; And controlling the target terminal to carry out cell switching according to the candidate cell.
  7. 7. The method for cell switching according to claim 6, wherein the controlling the target terminal to perform cell switching according to the candidate cell includes: Sorting the candidate cells according to the difference values corresponding to the candidate cells to obtain sorting results; and controlling the target terminal to carry out cell switching according to the sequencing result.
  8. 8. The method for cell switching according to claim 7, wherein the controlling the target terminal to perform cell switching according to the ranking result includes: According to the sorting result, executing at least one first operation according to a first sequence until a switching response carrying an affirmative response is received, controlling the target terminal to switch to a candidate cell corresponding to the affirmative response, wherein the first operation comprises the steps of sending a switching request to the candidate cell, and the first sequence comprises a positive sequence or a reverse sequence; Or sending a switching request to all the candidate cells and receiving a switching response, selecting a target cell from the candidate cells corresponding to the switching response carrying the positive acknowledgement according to the sorting result, and controlling the target terminal to switch to the target cell.
  9. 9. The cell handover method according to claim 1, further comprising, before acquiring the first energy efficiency indicator of the target terminal in the source cell and the second energy efficiency indicator in the neighbor cell: Acquiring a terminal with channel quality lower than a first threshold value in the coverage area of a source cell as a target terminal; transmitting a measurement configuration to the target terminal; receiving first measurement information sent by the target terminal according to the measurement configuration; determining candidate neighbor cells according to the first measurement information; The method for obtaining the second energy efficiency index of the target terminal in the adjacent cell comprises the following steps: and acquiring a second energy efficiency index of the target terminal in the candidate neighbor cell.
  10. 10. The method for cell handover according to claim 9, wherein the acquiring, as the target terminal, the terminal having the channel quality in the coverage area of the source cell lower than the first threshold value, includes: And under the condition that the number of terminals in the coverage area of the source cell is larger than a second threshold value and/or the physical resource block PRB utilization rate of the source cell is larger than a fifth threshold value, acquiring the terminals with the channel quality lower than the first threshold value in the coverage area of the source cell as target terminals.
  11. 11. The cell switching method according to claim 10, further comprising: acquiring second measurement information of each terminal for a neighboring cell when the number of terminals in the coverage area of the source cell is smaller than or equal to the second threshold and the PRB utilization rate of the source cell is smaller than or equal to the fifth threshold and the number of terminals in the coverage area of the source cell is larger than a third threshold and/or the PRB utilization rate of the source cell is larger than a sixth threshold; And controlling each terminal to be respectively switched to a corresponding target adjacent cell according to the second measurement information and a second condition, wherein the second condition comprises at least one of the following: among the adjacent cells corresponding to the second measurement information, the adjacent cell with the best channel quality is used as a target adjacent cell; And in the neighbor cell corresponding to the second measurement information, taking the neighbor cell which has the smallest difference in channel quality with the source cell and has better channel quality than the source cell as a target neighbor cell.
  12. 12. A cell switching method applied to a second base station, comprising: receiving first measurement information sent by a first base station, wherein the first measurement information is obtained by measuring a neighbor cell by a target terminal; determining a second energy efficiency index of the target terminal in the neighbor cell according to the first measurement information; and sending the second energy efficiency index to the first base station.
  13. 13. The method for cell handover according to claim 12, wherein the determining, according to the first measurement information, a second energy efficiency indicator of the target terminal in the neighboring cell includes: Determining reference information of a reference terminal corresponding to the target terminal according to the first measurement information, wherein the reference information comprises a second PRB utilization rate, a third symbol occupation amount, a space division stream number and a third symbol duration; and determining a second energy efficiency index of the target terminal in the adjacent cell according to the reference information, the second transmission flow corresponding to the target terminal, and the equipment idle power consumption value and the equipment full power consumption value corresponding to the adjacent cell.
  14. 14. A cell switching apparatus for use in a first base station, comprising: The system comprises a first acquisition module, a second acquisition module, a first energy efficiency index and a second energy efficiency index, wherein the first energy efficiency index is used for acquiring a first energy efficiency index of a target terminal in a source cell and a second energy efficiency index in a neighboring cell, the first energy efficiency index is determined according to a first transmission flow corresponding to the target terminal and source cell energy consumption corresponding to the first transmission flow, the second energy efficiency index is determined according to a second transmission flow corresponding to the target terminal and neighboring cell energy consumption corresponding to the second transmission flow, and the first transmission flow and the second transmission flow are the same or different; the second acquisition module is used for acquiring a difference value between the first energy efficiency index and the second energy efficiency index; And the first control module is used for controlling the target terminal to carry out cell switching according to the difference value.
  15. 15. The cell switching apparatus according to claim 14, wherein obtaining a first energy efficiency indicator of the target terminal in the source cell comprises: Determining energy consumption of a source cell corresponding to the first transmission flow according to first information, wherein the first information comprises an equipment idle power consumption value, an equipment full power consumption value, a downlink Physical Resource Block (PRB) available amount and a first symbol duration, and an average PRB occupied amount and a first symbol occupied amount, which correspond to the source cell; and determining a first energy efficiency index of the target terminal in the source cell according to the first transmission flow and the energy consumption of the source cell, wherein the first transmission flow is downlink data flow of the target terminal in a first duration.
  16. 16. The cell switching apparatus according to claim 15, wherein the first information further comprises an average value of the number of actual spatial multiplexing layers of the target terminal in the first duration and a maximum value of the number of spatial multiplexing layers supported by the source cell.
  17. 17. The cell switching apparatus according to claim 14, wherein obtaining the second energy efficiency indicator of the target terminal in the neighboring cell comprises: acquiring a second symbol occupation amount of a neighboring cell according to a first PRB utilization rate of the neighboring cell and first measurement information obtained by the target terminal for measuring the neighboring cell, wherein the second symbol occupation amount refers to the number of symbols required to be scheduled for transmitting the second transmission flow; And acquiring a second energy efficiency index of the target terminal in the adjacent cell according to the second transmission flow, the first PRB utilization rate, the second symbol occupation amount and second information, wherein the second information comprises a device no-load power consumption value, a device full-load power consumption value and a second symbol duration corresponding to the adjacent cell.
  18. 18. The cell switching apparatus according to claim 14, wherein obtaining the second energy efficiency indicator of the target terminal in the neighboring cell comprises: the first measurement information obtained by the target terminal aiming at the neighbor cell is sent to a second base station where the neighbor cell is located; And receiving a second energy efficiency index of the target terminal in the adjacent cell fed back by the second base station.
  19. 19. The cell switching apparatus according to claim 14, wherein the controlling the target terminal to perform cell switching according to the difference value comprises: Determining neighbor cells with energy consumption indexes superior to those of the source cell as candidate cells according to the difference values; And controlling the target terminal to carry out cell switching according to the candidate cell.
  20. 20. The cell switching apparatus according to claim 19, wherein the controlling the target terminal to perform cell switching according to the candidate cell includes: Sorting the candidate cells according to the difference values corresponding to the candidate cells to obtain sorting results; and controlling the target terminal to carry out cell switching according to the sequencing result.

Description

Cell switching method, device, equipment, storage medium and computer program product Technical Field The present application relates to the field of communications technologies, and in particular, to a cell handover method, apparatus, device, storage medium, and computer program product. Background In the prior art, some cell switching schemes are proposed for mobility management of a terminal UE, wherein for a connected user, switching is mainly performed based on a switching trigger condition, for example, switching based on a load, switching based on coverage, switching based on service, etc., but all the switching modes may cause the UE to switch to a low energy efficiency cell, so that the overall energy efficiency of the network is reduced, and a better energy saving effect cannot be achieved. From the above, the cell switching scheme in the prior art has the problem of causing the overall energy efficiency of the network to be reduced. Disclosure of Invention The application aims to provide a cell switching method, a cell switching device, a cell switching storage medium and a cell switching computer program product, which are used for solving the problem that the cell switching scheme in the prior art causes the reduction of the overall energy efficiency of a network. In order to solve the above technical problems, an embodiment of the present application provides a cell handover method, applied to a first base station, including: The method comprises the steps of obtaining a first energy efficiency index of a target terminal in a source cell and a second energy efficiency index of the target terminal in a neighboring cell, wherein the first energy efficiency index is determined according to a first transmission flow corresponding to the target terminal and source cell energy consumption corresponding to the first transmission flow; Acquiring a difference value between the first energy efficiency index and the second energy efficiency index; And controlling the target terminal to carry out cell switching according to the difference value. Optionally, obtaining a first energy efficiency index of the target terminal in the source cell includes: Determining energy consumption of a source cell corresponding to the first transmission flow according to first information, wherein the first information comprises an equipment idle power consumption value, an equipment full power consumption value, a downlink Physical Resource Block (PRB) available amount and a first symbol duration, and an average PRB occupied amount and a first symbol occupied amount, which correspond to the source cell; and determining a first energy efficiency index of the target terminal in the source cell according to the first transmission flow and the energy consumption of the source cell, wherein the first transmission flow is downlink data flow of the target terminal in a first duration. Optionally, the first information further includes an average value of the actual number of space division multiplexing layers of the target terminal in the first duration and a maximum value of the number of space division multiplexing layers supported by the source cell. Optionally, the obtaining the second energy efficiency index of the target terminal in the neighboring cell includes: acquiring a second symbol occupation amount of a neighboring cell according to a first PRB utilization rate of the neighboring cell and first measurement information obtained by the target terminal for measuring the neighboring cell, wherein the second symbol occupation amount refers to the number of symbols required to be scheduled for transmitting the second transmission flow; And acquiring a second energy efficiency index of the target terminal in the adjacent cell according to the second transmission flow, the first PRB utilization rate, the second symbol occupation amount and second information, wherein the second information comprises a device no-load power consumption value, a device full-load power consumption value and a second symbol duration corresponding to the adjacent cell. Optionally, the obtaining the second energy efficiency index of the target terminal in the neighboring cell includes: the first measurement information obtained by the target terminal aiming at the neighbor cell is sent to a second base station where the neighbor cell is located; And receiving a second energy efficiency index of the target terminal in the adjacent cell fed back by the second base station. Optionally, the controlling the target terminal to perform cell handover according to the difference value includes: Determining neighbor cells with energy consumption indexes superior to those of the source cell as candidate cells according to the difference values; And controlling the target terminal to carry out cell switching according to the candidate cell. Optionally, the controlling, according to the candidate cell, the target terminal to perform cell handover includes: So