CN115022932B - Method for improving service reliability of terminal during energy-saving shutdown of NR system cell and NR system - Google Patents
Method for improving service reliability of terminal during energy-saving shutdown of NR system cell and NR system Download PDFInfo
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- CN115022932B CN115022932B CN202210620316.5A CN202210620316A CN115022932B CN 115022932 B CN115022932 B CN 115022932B CN 202210620316 A CN202210620316 A CN 202210620316A CN 115022932 B CN115022932 B CN 115022932B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000011664 signaling Effects 0.000 claims abstract description 37
- 230000009849 deactivation Effects 0.000 claims description 9
- 230000005012 migration Effects 0.000 abstract description 4
- 238000013508 migration Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00835—Determination of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0094—Definition of hand-off measurement parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a method for improving the service reliability of a terminal when an NR system cell is closed in energy saving and an NR system, wherein the method comprises the following steps: adding Cell Backup Capability cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling; the Cell Backup Capability cells are used to indicate whether the neighbor cell can act as a backup cell for the primary cell. The invention can enable the main cell to select the proper backup cell through the adjacent cell capability so as to improve the success rate of UE migration, thereby improving the reliability of the NR system in an energy-saving scene.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method for improving the reliability of terminal service when an NR system cell is closed in an energy-saving way and an NR system.
Background
In 3GPP wireless system, there is a related characteristic of cell closing energy saving, the effective scene of the characteristic is generally a main cell and a backup cell, when the main cell is closed, the UE originally connected to the main cell is absorbed by the backup cell (as shown in figure 1), in order to ensure the continuity of terminal service, the UE is generally transferred from the main cell to the backup cell by adopting a switching mode, and after all the UE is transferred, the main cell is closed to achieve the purpose of energy saving.
In the process of moving the UE from the main cell to the backup cell overload, the main cell does not acquire the service state and the user bearing capacity of the backup cell in advance (the main cell and the backup cell are on different gNodeB), if the state of the backup cell is unavailable or the overload scene is already in the overload state, the UE of the main cell fails to move, and the UE service is interrupted, thereby affecting the reliability of the NR system.
Disclosure of Invention
The invention aims to provide a method for improving the service reliability of a terminal when an NR system cell is closed in an energy-saving way and an NR system, so as to prevent UE of a main cell from migrating to an unavailable or overloaded neighbor cell.
The invention provides a method for improving the reliability of terminal service when an NR system cell is closed in energy saving, which comprises the following steps:
Adding Cell Backup Capability cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling; the Cell Backup Capability cells are used to indicate whether the neighbor cell can act as a backup cell for the primary cell.
Further, the method for adding Cell Backup Capability cells in the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling comprises the following steps:
Cell Backup Capability cells are added to SERVED NR CELLS cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling.
Further, the set Cell Backup Capability cell values are as follows:
Cell Backup Capability the cell value is Available, which indicates that the neighbor cell can be used as a backup cell;
cell Backup Capability cell value Unavailable indicates that the neighbor cell cannot be used as a backup cell.
Further, the method for improving the service reliability of the terminal when the energy conservation of the NR system cell is closed comprises the following steps:
S1, before closing, a main cell sends NG-RAN NODE CONFIGURATION UPDATE signaling to all adjacent cells on an opposite terminal gNodeB, and Deactivation Indication cells in the NG-RAN NODE CONFIGURATION UPDATE signaling are set to deactivated and Neighbour Information NR cells are carried; the Neighbour Information NR cell is used to indicate the neighbor cell of the primary cell on the peer gNodeB;
S2, after receiving the NG-RAN NODE CONFIGURATION UPDATE signaling, the opposite terminal gNodeB checks the neighbor cell of the main cell indicated by the Neighbour Information NR cell on the opposite terminal gNodeB if the Deactivation Indication cell is deactivated, and checks whether the corresponding neighbor cell service state is available and whether the service is overloaded, if the neighbor cell service state is available and the service is not overloaded, the neighbor cell is considered to be a backup cell;
S3, the opposite terminal gNodeB sends NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling to the main cell, carries SERVED NR CELLS cells in the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, and adds Cell Backup Capability cells in SERVED NR CELLS cells to indicate whether the adjacent cell can be used as a backup cell of the main cell;
And S4, after receiving the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, the main cell selects a neighbor cell with the Cell Backup Capability cell value of Available in SERVED NR CELLS cells as a backup cell.
Further, in step S1, before the primary cell is turned off, NG-RAN NODE CONFIGURATION UPDATE signaling is sent to all neighboring cells on the opposite terminal gNodeB through an Xn interface.
Further, whether the traffic of the neighboring cell is overloaded in step S3 means that: whether the number of users in the neighbor cell reaches a set threshold.
The invention also provides an NR system which is used for executing the method for improving the reliability of the terminal service when the energy-saving of the NR system cell is closed.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
The invention can enable the main cell to select the proper backup cell through the adjacent cell capability so as to improve the success rate of UE migration, thereby improving the reliability of the NR system in an energy-saving scene.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of UE migration to a backup cell after primary cell shutdown.
Fig. 2 is a diagram showing the added Cell Backup Capability cell values in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling after 38.423 protocol optimization in a 3GPP wireless system.
Fig. 3 is a flowchart of a method for improving service reliability of a terminal when an NR system cell is turned off in energy saving according to an embodiment of the present invention.
Fig. 4 is a diagram showing Deactivation Indication cell and Neighbour Information NR cell values in NG-RAN NODE CONFIGURATION UPDATE signaling defined in 38.423 protocol of 3GPP wireless system.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a method for improving the reliability of terminal service when an NR system cell is closed in energy saving, which comprises the following steps:
adding Cell Backup Capability cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling; the Cell Backup Capability cell is used for indicating whether the neighbor cell can be used as a backup cell of the main cell, so that the main cell can select a proper backup cell through the neighbor cell capability, the success rate of UE migration is improved, and the reliability of the NR system in an energy-saving scene is improved.
As shown in fig. 2, the method for adding Cell Backup Capability cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling is as follows:
Cell Backup Capability cells are added to SERVED NR CELLS cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling. In this embodiment, the cell values set Cell Backup Capability are as follows:
Cell Backup Capability the cell value is Available, which indicates that the neighbor cell can be used as a backup cell;
cell Backup Capability cell value Unavailable indicates that the neighbor cell cannot be used as a backup cell.
Therefore, the method for improving the reliability of the terminal service when the energy conservation of the NR system cell is closed, as shown in fig. 3, comprises the following steps:
S1, before closing, a main cell sends NG-RAN NODE CONFIGURATION UPDATE signaling to all adjacent cells (through Xn interfaces) on an opposite terminal gNodeB (peergNodeB), and Deactivation Indication cells in the NG-RAN NODE CONFIGURATION UPDATE signaling are set to deactivated and Neighbour Information NR cells are carried at the same time, as shown in FIG. 4; the Neighbour Information NR cell is used to indicate the neighbor cell of the primary cell on the peer gNodeB;
S2, after receiving the NG-RAN NODE CONFIGURATION UPDATE signaling, the opposite terminal gNodeB checks the neighbor cell of the main cell indicated by the Neighbour Information NR cell on the opposite terminal gNodeB if the Deactivation Indication cell is deactivated, and checks whether the corresponding neighbor cell service state is available and whether the service is overloaded, if the neighbor cell service state is available and the service is not overloaded, the neighbor cell is considered to be a backup cell; wherein, whether the service of the adjacent cell is overloaded refers to: whether the number of users in the neighbor cell reaches a set threshold; when the number of users does not reach the set threshold, the service of the adjacent cell is not overloaded, and when the number of users reaches the set threshold, the service of the adjacent cell is overloaded;
S3, the opposite terminal gNodeB sends NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling to the main cell, carries SERVED NR CELLS cells in the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, and adds Cell Backup Capability cells in SERVED NR CELLS cells to indicate whether the adjacent cell can be used as a backup cell of the main cell;
And S4, after receiving the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, the main cell selects a neighbor cell with the Cell Backup Capability cell value of Available in SERVED NR CELLS cells as a backup cell.
Example 2
The present embodiment provides an NR system, where the NR system is configured to execute the method for improving reliability of a terminal service when a cell of the NR system is turned off in energy saving, as shown in fig. 3, and includes the following steps:
S1, before closing, a main cell sends NG-RAN NODE CONFIGURATION UPDATE signaling to all adjacent cells (through Xn interfaces) on an opposite terminal gNodeB (peergNodeB), and Deactivation Indication cells in the NG-RAN NODE CONFIGURATION UPDATE signaling are set to deactivated and Neighbour Information NR cells are carried at the same time, as shown in FIG. 4; the Neighbour Information NR cell is used to indicate the neighbor cell of the primary cell on the peer gNodeB;
S2, after receiving the NG-RAN NODE CONFIGURATION UPDATE signaling, the opposite terminal gNodeB checks the neighbor cell of the main cell indicated by the Neighbour Information NR cell on the opposite terminal gNodeB if the Deactivation Indication cell is deactivated, and checks whether the corresponding neighbor cell service state is available and whether the service is overloaded, if the neighbor cell service state is available and the service is not overloaded, the neighbor cell is considered to be a backup cell; wherein, whether the service of the adjacent cell is overloaded refers to: whether the number of users in the neighbor cell reaches a set threshold; when the number of users does not reach the set threshold, the service of the adjacent cell is not overloaded, and when the number of users reaches the set threshold, the service of the adjacent cell is overloaded;
S3, the opposite terminal gNodeB sends NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling to the main cell, carries SERVED NR CELLS cells in the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, and adds Cell Backup Capability cells in SERVED NR CELLS cells to indicate whether the adjacent cell can be used as a backup cell of the main cell;
And S4, after receiving the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, the main cell selects a neighbor cell with the Cell Backup Capability cell value of Available in SERVED NR CELLS cells as a backup cell.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A method for improving service reliability of a terminal when an NR system cell is energy-saving closed, the method comprising:
adding Cell Backup Capability cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling; the Cell Backup Capability cell is used for indicating whether the neighbor cell can be used as a backup cell of the main cell;
The method for adding Cell Backup Capability cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling comprises the following steps:
Adding Cell Backup Capability cells to SERVED NR CELLS cells in NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling;
the set Cell Backup Capability cell values are as follows:
Cell Backup Capability the cell value is Available, which indicates that the neighbor cell can be used as a backup cell;
Cell Backup Capability cell value Unavailable indicates that the neighbor cell cannot be used as a backup cell;
The method for improving the reliability of the terminal service when the NR system cell is closed in energy saving mode comprises the following steps:
S1, before closing, a main cell sends NG-RAN NODE CONFIGURATION UPDATE signaling to all adjacent cells on an opposite terminal gNodeB through an Xn interface, and Deactivation Indication cells in the NG-RAN NODE CONFIGURATION UPDATE signaling are set as deactivated and Neighbour Information NR cells are carried at the same time; the Neighbour Information NR cell is used to indicate the neighbor cell of the primary cell on the peer gNodeB;
S2, after receiving the NG-RAN NODE CONFIGURATION UPDATE signaling, the opposite terminal gNodeB checks the neighbor cell of the main cell indicated by the Neighbour Information NR cell on the opposite terminal gNodeB if the Deactivation Indication cell is deactivated, and checks whether the corresponding neighbor cell service state is available and whether the service is overloaded, if the neighbor cell service state is available and the service is not overloaded, the neighbor cell is considered to be a backup cell;
S3, the opposite terminal gNodeB sends NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling to the main cell, carries SERVED NR CELLS cells in the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, and adds Cell Backup Capability cells in SERVED NR CELLS cells to indicate whether the adjacent cell can be used as a backup cell of the main cell;
And S4, after receiving the NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE signaling, the main cell selects a neighbor cell with the Cell Backup Capability cell value of Available in SERVED NR CELLS cells as a backup cell.
2. The method for improving service reliability of a terminal when energy saving of an NR system cell is turned off as claimed in claim 1, wherein whether the service of the neighboring cell is overloaded in step S3 means: whether the number of users in the neighbor cell reaches a set threshold.
3. An NR system for performing a method for improving the reliability of a terminal service when a cell of the NR system is energy-efficient shut down according to any of claims 1-2.
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| WO2015034305A1 (en) * | 2013-09-09 | 2015-03-12 | 삼성전자 주식회사 | Apparatus and method for controlling access of terminal in mobile communication system |
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| CN102348215A (en) * | 2010-08-04 | 2012-02-08 | 中兴通讯股份有限公司 | Method for measuring neighbor cell relation and system thereof, and network side equipment |
| CN107787016A (en) * | 2016-08-31 | 2018-03-09 | 中兴通讯股份有限公司 | A kind of method and device for realizing interregional load balancing |
| US11044649B2 (en) * | 2017-01-12 | 2021-06-22 | Sony Corporation | Transmission of uplink reference signalling according to different uplink reference signalling configurations |
| CN110351109B (en) * | 2018-04-04 | 2022-04-29 | 中兴通讯股份有限公司 | Topology information management method, device, system, storage medium and electronic device |
| CN111194054B (en) * | 2018-11-15 | 2023-08-08 | 南京中兴新软件有限责任公司 | User equipment migration method, centralized unit, distributed unit and system |
| CN113873584B (en) * | 2020-06-30 | 2023-04-07 | 大唐移动通信设备有限公司 | Cell switching method and communication device |
| CN113891377B (en) * | 2021-11-17 | 2024-09-24 | 西藏先锋绿能环保科技股份有限公司 | Automatic maintenance and optimization method for 5G small base station equipment |
| CN114449460B (en) * | 2022-02-25 | 2024-04-23 | 成都中科微信息技术研究院有限公司 | Method and system for improving consistency of cell configuration data between base station DU and CU |
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| WO2015034305A1 (en) * | 2013-09-09 | 2015-03-12 | 삼성전자 주식회사 | Apparatus and method for controlling access of terminal in mobile communication system |
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| Title |
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| ZTE.R3-200627 "(TP for [NR_SON_MDT] BL CR for TS 38.423)Addition of RACH OPTIMIZATION".3GPP tsg_ran\wg3_iu.2020,(tsgr3_107_e),参见说明书第1-15页. * |
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