IP Library Granted Patent US 11,388,630
Granted Patent B2
US 11,388,630 · App. 17/058,956 · Granted Jul 12, 2022

Information processing method and device in baseband processing split architecture, and storage medium

Inventors: Xiaxiang Yuan (Shenzhen, CN); Wei Zhang (Shenzhen, CN)
Assignee: ZTE CORPORATION
H04W28/0835H04W28/0815H04W28/0983
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,388,630
App. No.
17/058,956
Granted
Jul 12, 2022
Kind
B2
Abstract

An information processing method and device in a baseband processing split architecture, and a computer storage medium, the method includes: receiving, by a distributed unit (DU), load information of a plurality of central units (CUs), and determining, by the DU and according to the load information of the plurality of CUs, a first CU having a load greater than a target threshold value and a second CU having a load less than the target threshold value among the plurality of CUs; and, sending, by the DU, control signaling to the first CU and the second CU respectively to instruct to migrate cell data of the first CU from the first CU to the second CU to balance the load among the plurality of CUs.

Claims (46)

1. An information processing method in a baseband processing split architecture, comprising:

receiving, by a distributed unit (DU), load information of a plurality of central units (CUs), and determining, by the DU and according to the load information of the plurality of CUs, the DU being connected to the plurality of CUs, a first CU having a load greater than a target threshold value and a second CU having a load less than the target threshold value among the plurality of CUs; and

sending, by the DU, control signaling to the first CU and the second CU respectively to delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU, to carry out load balancing between adjacent CUs by using cell as granularity

wherein, before receiving, by the DU, load information of a plurality of CUs, the method further comprises:

receiving, by the DU, load indication information fed back by the plurality of CUs, the load indication information containing the load information of the CUs;

wherein determining, by the DU and according to the load information of the plurality of CUs, a first CU having a load greater than a target threshold value and a second CU having a load less than the target threshold value among the plurality of CUs further comprises:

in response to the load information of the first CU in the load information of the plurality of CUs being greater than or equal to a first load threshold that is used for representing a load value greater than the target threshold value in a load state, determining that the first CU is in a high load state;

in response to the load information of the second CU in the load information of the plurality of CUs being less than a second load threshold that is used for representing a load value less than the target threshold value in the load state, determining that the second CU is in a low load state; and

triggering an operation of sending, by the DU, control signaling to the first CU and the second CU.

2. The method of claim 1 , wherein delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU comprises:

in response to the DU merely performing data transmission with the first CU, directly deleting a number of cell(s) of the first CU and adding the corresponding number of cell(s) to the second CU.

3. The method of claim 1 , wherein delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU comprises:

in response to the DU merely performing data transmission with the first CU, directly deleting a number of cell(s) of the first CU and adding the corresponding number of cell(s) to the second CU.

4. The method of claim 1 , wherein delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU comprises:

in response to the DU performing data transmission with both the first CU and the second CU, deleting a number of cell(s) of the first CU and adding the corresponding number of cell(s) to the second CU after the data transmission of the second CU is completed.

5. The method of claim 1 , wherein delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU comprises:

in response to the DU performing data transmission with both the first CU and the second CU, deleting a number of cell(s) of the first CU and adding the corresponding number of cell(s) to the second CU after the data transmission of the second CU is completed.

6. The method of claim 1 , wherein, after delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU, the method further comprises:

instructing, by the DU, the second CU to access a new user in a new cell obtained after cell deletion and cell addition; and

in response to there being no accessed stock user on the first CU, determining, by the DU, that the cell deletion and cell addition of the cell data on the first CU is completed, and notifying, by the DU, the first CU to synchronously update the cell data.

7. The method of claim 1 , further comprising:

obtaining an average load of the CUs according to at least one of the following: a percentage of a UE number of the CUs in a total UE number, CPU occupancy, memory occupancy, storage occupancy, bandwidth occupancy, a UE number weight of the DU, CPU occupancy weight, memory occupancy weight, storage index weight and bandwidth weight; and

determining, according to the average load of the CUs, whether to balance the load among the plurality of CUs.

8. The method of claim 2 , wherein, after delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU, the method further comprises:

instructing, by the DU, the second CU to access a new user in a new cell obtained after cell deletion and cell addition; and

in response to there being no accessed stock user on the first CU, determining, by the DU, that the cell deletion and cell addition of the cell data on the first CU is completed, and notifying, by the DU, the first CU to synchronously update the cell data.

9. An information processing device in a baseband processing split architecture, comprising:

a load determination circuit, which is configured to receive load information of a plurality of central units (CUs), and determine, according to the load information of the plurality of CUs, a first CU having a load greater than a target threshold value and a second CU having a load less than the target threshold value among the plurality of CUs; and

a balancing circuit, which is configured to send control signaling to the first CU and the second CU respectively to instruct to delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU, to carry out load balancing between adjacent CUs by using cell as granularity;

further comprising:

a receiving circuit, which is configured to receive load indication information fed back by the plurality of CUs, the load indication information containing load information of the CUs;

wherein receive load information of a plurality of central units (CUs), and determine, according to the load information of the plurality of CUs, a first CU having a load greater than a target threshold value and a second CU having a load less than the target threshold value among the plurality of CUs further comprises:

in response to the load information of the first CU in the load information of the plurality of CUs being greater than or equal to a first load threshold that is used for representing a load value greater than the target threshold value in a load state, determining that the first CU is in a high load state;

in response to the load information of the second CU in the load information of the plurality of CUs being less than a second load threshold that is used for representing a load value less than the target threshold value in the load state, determining that the second CU is in a low load state; and

triggering an operation of sending, by the DU, control signaling to the first CU and the second CU.

10. The device of claim 9 , wherein the balancing circuit is further configured to: directly delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU when the DU merely performs data transmission with the first CU.

11. The device of claim 9 , wherein the balancing circuit is further configured to: delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU after the data transmission of the second CU is completed, in response to the DU performing data transmission with both the first CU and the second CU.

12. The device of claim 9 , wherein the load determination circuit is further configured to: determine that the first CU is in a high load state, in response to the load information of the first CU in the load information of the plurality of CUs being greater than or equal to a first load threshold that is used for representing a load value greater than the target threshold value in a load state; determine that the second CU is in a low load state, in response to the load information of the second CU in the load information of the plurality of CUs being less than a second load threshold that is used for representing a load value less than the target threshold value in the load state; and, trigger an operation of sending control signaling to the first CU and the second CU.

13. A non-transitory computer-readable storage medium storing a computer program which, when executed by a processor, cause the processor to perform an information processing method in a baseband processing split architecture, the method comprising:

receiving, by a distributed unit (DU), load information of a plurality of central units (CUs), and determining, by the DU and according to the load information of the plurality of CUs, a first CU having a load greater than a target threshold value and a second CU having a load less than the target threshold value among the plurality of CUs; and sending, by the DU, control signaling to the first CU and the second CU respectively to instruct to to delete a number of cell(s) of the first CU and add the corresponding number of cell(s) to the second CU, to carry out load balancing between adjacent CUs by using cell as granularity;

wherein, before receiving, by the DU, load information of a plurality of CUs, the method further comprises:

receiving, by the DU, load indication information fed back by the plurality of CUs, the load indication information containing the load information of the CUs;

wherein determining, by the DU and according to the load information of the plurality of CUs, a first CU having a load greater than a target threshold value and a second CU having a load less than the target threshold value among the plurality of CUs further comprises:

in response to the load information of the first CU in the load information of the plurality of CUs being greater than or equal to a first load threshold that is used for representing a load value greater than the target threshold value in a load state, determining that the first CU is in a high load state;

in response to the load information of the second CU in the load information of the plurality of CUs being less than a second load threshold that is used for representing a load value less than the target threshold value in the load state, determining that the second CU is in a low load state; and

triggering an operation of sending, by the DU, control signaling to the first CU and the second CU.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2021
From: YUAN, XIAXIANG; ZHANG, WEI
To: ZTE CORPORATION
Reel/Frame 056215/0994 →
Priority Claims (1)
CN 201810821251.4 · Jul 24, 2018 · national
Continuity (1)
Related Publication 20210219182A1 · Jul 15, 2021