CN115022950A - Method for preventing coverage blind area after energy-saving closing of NR system cell and NR system - Google Patents
Method for preventing coverage blind area after energy-saving closing of NR system cell and NR system Download PDFInfo
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- CN115022950A CN115022950A CN202210620666.1A CN202210620666A CN115022950A CN 115022950 A CN115022950 A CN 115022950A CN 202210620666 A CN202210620666 A CN 202210620666A CN 115022950 A CN115022950 A CN 115022950A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000011664 signaling Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000009849 deactivation Effects 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/143—Downlink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
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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
Abstract
The invention provides a method for preventing a coverage blind area from occurring after energy-saving closing of a cell of an NR system and the NR system, wherein the method comprises the following steps: adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling; the NeighbourPowerUp cell is used for indicating the backup cell to increase the coverage by increasing the downlink transmission power after the energy-saving closing of the main cell. The invention can effectively solve the problem that partial coverage blind areas appear after the energy-saving closing of the main cell, and improve the application scene of the energy-saving characteristic of the NR system and the reliability of the NR system.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method for preventing a coverage blind area from occurring after energy-saving closing of a cell of an NR system and the NR system.
Background
There is a characteristic related to energy saving when a cell is closed in a 3GPP wireless system, the effective scene of the characteristic is generally a main cell and one or more backup cells, and after the main cell is closed to save energy, the UE originally accessing the main cell is absorbed by the backup cells.
If the primary cell and the backup cell are on different gNodeBs (which is the case when the primary cell and the backup cell are covered by common cells), it cannot be guaranteed that the original coverage area of the primary cell can be completely covered by the backup cell after the primary cell is closed, so that a coverage blind area (as shown in FIG. 1) inevitably occurs, which limits the use scene and the use time of the energy-saving characteristic, and greatly reduces the energy-saving effect.
Disclosure of Invention
The invention aims to provide a method for preventing a coverage blind area from occurring after energy-saving closing of a cell of an NR system and the NR system, so as to solve the problem that the coverage blind area can occur when a main cell and a backup cell are on different gNodeBs, thereby reducing the energy-saving effect.
The invention provides a method for preventing a coverage blind area from occurring after energy-saving closing of an NR system cell, which comprises the following steps:
adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling; the NeighbourPowerUp cell is used for indicating the backup cell to increase the coverage by increasing the downlink transmission power after the energy saving of the main cell is closed.
Further, the method for adding the neighbor power up cell in the NG-RAN NODE CONFIGURATION UPDATE signaling comprises the following steps:
in the Served Cells To modification NR cell in NG-RAN NODE CONFIGURATION UPDATE signaling, a neighbor Power Up cell is added on the basis of Deactivation Indication cell.
Further, the downlink transmission power required to be increased by the backup cell needs to be calculated and configured in advance.
Further, the method for calculating the downlink transmission power required to be increased in the backup cell comprises:
and integrally planning the cell coverage of the existing network, and calculating the downlink transmitting power which needs to be increased of the backup cell, wherein the downlink transmitting power which needs to be increased meets the requirement of completely covering the coverage blind area caused by the energy-saving closing of the main cell.
Further, the method for preventing the coverage blind area after the energy saving of the NR system cell is turned off includes the following steps:
s1, calculating the downlink transmitting power which needs to be increased of the backup cell, and configuring the calculated downlink transmitting power which needs to be increased to the backup cell;
s2, adding neighbor powerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling;
s3, when the energy-saving characteristic is started, the main cell is closed and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell, NeighbourPowerUp cell is needed to be carried in the NG-RAN NODE CONFIGURATION UPDATE signaling;
s4, after receiving NG-RAN NODE CONFIGURATION UPDATE signaling, if NeighbourPowerUp cell is carried in NG-RAN NODE CONFIGURATION UPDATE signaling, then reconfiguring the downlink transmitting power of the backup cell according to the configured downlink transmitting power needing to be increased.
Further, the method comprises the following steps:
s5, when the energy-saving characteristic is released, the main cell is opened again and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell;
and S6, after the backup cell receives the NG-RAN NODE CONFIGURATION UPDATE signaling, if the main cell is found to be opened again, the downlink transmitting power of the backup cell is restored to the initial value.
The invention also provides an NR system, which is used for executing the method for preventing the coverage blind area after the energy-saving closing of the cell of the NR system.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention can effectively solve the problem that partial coverage blind areas appear after the energy-saving closing of the main cell, and improve the application scene of the energy-saving characteristic of the NR system and the reliability of the NR system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a main cell with a partial coverage blind area after energy saving is turned off.
Fig. 2 is a schematic diagram of network repair performed by the backup cell after the energy saving of the primary cell is turned off.
Fig. 3 is a diagram showing the value of neighbor Power Up cell in NG-RAN NODE CONFIGURATION UPDATE signaling optimized for 38.423 protocol in 3GPP wireless system.
Fig. 4 is a flowchart of a method for preventing a coverage hole from occurring after an NR system cell is powered off in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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 present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a method for preventing a coverage blind area from occurring after energy saving of an NR system cell is turned off, including:
adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling; the NeighbourPowerUp cell is used to indicate that the backup cell increases the coverage by increasing the downlink transmission power after the energy-saving closing of the main cell, as shown in fig. 2, thereby avoiding the generation of a coverage blind area after the energy-saving closing of the main cell and improving the reliability of the NR system in the energy-saving scene.
As shown in fig. 3, the method for adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling includes:
in the Served Cells To modification NR cell in NG-RAN NODE CONFIGURATION UPDATE signaling, a neighbor Power Up cell is added on the basis of Deactivation Indication cell.
Further, the downlink transmission power required to be increased by the backup cell needs to be calculated and configured in advance. The method for calculating the downlink transmission power required to be increased of the backup cell specifically comprises the following steps:
and integrally planning the cell coverage of the existing network, and calculating the downlink transmitting power which needs to be increased of the backup cell, wherein the downlink transmitting power which needs to be increased meets the requirement of completely covering the coverage blind area caused by the energy-saving closing of the main cell.
Therefore, the method for preventing the coverage blind area from occurring after the energy saving of the NR system cell is turned off performs the following steps, as shown in fig. 4:
s1, calculating the downlink transmitting power which needs to be increased of the backup cell, and configuring the calculated downlink transmitting power which needs to be increased to the backup cell;
s2, adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling;
s3, when the energy-saving characteristic is started, the main cell is closed and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell, the NG-RAN NODE CONFIGURATION UPDATE signaling needs to carry NeighbourPowerUp cell except that the Deactivation Indication cell is deactivated;
s4, after receiving NG-RAN NODE CONFIGURATION UPDATE signaling, if the deactivating Indication cell in the NG-RAN NODE CONFIGURATION UPDATE signaling is deactivated and carries NeighbourPowerUp cell, reconfiguring the downstream transmitting power of the backup cell according to the configured downstream transmitting power needing to be increased;
s5, when the energy-saving characteristic is released, the main cell is opened again and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell;
and S6, after the backup cell receives the NG-RAN NODE CONFIGURATION UPDATE signaling, if the main cell is found to be opened again, the downlink transmitting power of the backup cell is restored to the initial value.
It should be noted that: the invention can effectively solve the problem that partial coverage blind areas appear after the energy-saving closing of the main cell, and improve the application scene of the energy-saving characteristic of the NR system and the reliability of the NR system. Although the backup cell is required to increase the downlink transmission power, the energy consumption of the backup cell is increased, but after the main cell is powered off, part of devices of the RRU are often powered off at the same time, so that the power consumption is still saved more than the power consumption increased by the backup cell.
Example 2
This embodiment provides an NR system configured to perform the method for preventing a coverage blind area from occurring after energy saving of a cell of the NR system is turned off in embodiment 1, as shown in fig. 4, where the method includes the following steps:
s1, calculating the downlink transmitting power which needs to be increased of the backup cell, and configuring the calculated downlink transmitting power which needs to be increased to the backup cell; the method for calculating the downlink transmission power required to be increased of the backup cell specifically comprises the following steps: and integrally planning the cell coverage of the existing network, and calculating the downlink transmitting power which needs to be increased of the backup cell, wherein the downlink transmitting power which needs to be increased meets the requirement of completely covering the coverage blind area caused by the energy-saving closing of the main cell.
S2, adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling; the NeighbourPowerUp cell is used for indicating the backup cell to increase the coverage by increasing the downlink transmitting power after the energy saving of the main cell is closed;
s3, when the energy saving characteristic is started, the main cell is closed and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell, the NG-RAN NODE CONFIGURATION UPDATE signaling needs to carry NeighbourPowerUp cell except that the Deactivation Indication cell is deactivated;
s4, after receiving NG-RAN NODE CONFIGURATION UPDATE signaling, if the deactivating Indication cell in the NG-RAN NODE CONFIGURATION UPDATE signaling is deactivated and carries NeighbourPowerUp cell, reconfiguring the downstream transmitting power of the backup cell according to the configured downstream transmitting power needing to be increased;
s5, when the energy-saving characteristic is released, the main cell is opened again and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell;
and S6, after the backup cell receives the NG-RAN NODE CONFIGURATION UPDATE signaling, if the main cell is found to be opened again, the downlink transmitting power of the backup cell is restored to the initial value.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for preventing a coverage hole after energy saving of an NR system cell is turned off, the method comprising:
adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling; the NeighbourPowerUp cell is used for indicating the backup cell to increase the coverage by increasing the downlink transmission power after the energy-saving closing of the main cell.
2. The method of claim 1, wherein the method of adding neighbor bour power up cell in NG-RAN NODE CONFIGURATION UPDATE signaling is to:
in the Served Cells To modification NR cell in NG-RAN NODE CONFIGURATION UPDATE signaling, a neighbor Power Up cell is added on the basis of Deactivation Indication cell.
3. The method of claim 1, wherein the downlink transmit power of the backup cell that needs to be boosted needs to be pre-calculated and configured.
4. The method of claim 3, wherein the method of calculating the downlink transmit power of the backup cell that needs to be increased comprises:
and integrally planning the cell coverage of the existing network, and calculating the downlink transmitting power which needs to be increased of the backup cell, wherein the downlink transmitting power which needs to be increased meets the requirement of completely covering the coverage blind area caused by the energy-saving closing of the main cell.
5. The method of claim 4, wherein the method for preventing coverage holes after NR system cell power saving off comprises the steps of:
s1, calculating the downlink transmitting power which needs to be increased of the backup cell, and configuring the calculated downlink transmitting power which needs to be increased to the backup cell;
s2, adding NeighbourPowerUp cell in NG-RAN NODE CONFIGURATION UPDATE signaling;
s3, when the energy-saving characteristic is started, the main cell is closed and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell, NeighbourPowerUp cell is needed to be carried in the NG-RAN NODE CONFIGURATION UPDATE signaling;
s4, after receiving NG-RAN NODE CONFIGURATION UPDATE signaling, if NeighbourPowerUp cell is carried in NG-RAN NODE CONFIGURATION UPDATE signaling, then reconfiguring the downlink transmitting power of the backup cell according to the configured downlink transmitting power needing to be increased.
6. The method of claim 5, wherein the method for preventing coverage holes after NR system cell power saving off further comprises the steps of:
s5, when the energy-saving characteristic is released, the main cell is opened again and sends NG-RAN NODE CONFIGURATION UPDATE signaling to the backup cell;
and S6, after the backup cell receives the NG-RAN NODE CONFIGURATION UPDATE signaling, if the main cell is found to be opened again, the downlink transmitting power of the backup cell is restored to the initial value.
7. An NR system arranged to perform the method of claim 5 or 6 for preventing coverage holes after power saving shutdown of cells in the NR system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210620666.1A CN115022950A (en) | 2022-06-02 | 2022-06-02 | Method for preventing coverage blind area after energy-saving closing of NR system cell and NR system |
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| CN202210620666.1A CN115022950A (en) | 2022-06-02 | 2022-06-02 | Method for preventing coverage blind area after energy-saving closing of NR system cell and NR system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480773A (en) * | 2010-11-25 | 2012-05-30 | 中兴通讯股份有限公司 | Multicarrier-based communication compensation method and system |
| CN112787789A (en) * | 2018-05-09 | 2021-05-11 | 中兴通讯股份有限公司 | Information acquisition method, device, equipment and computer readable storage medium |
| CN114080778A (en) * | 2019-07-17 | 2022-02-22 | 诺基亚通信公司 | Enhanced blind configuration of cells |
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- 2022-06-02 CN CN202210620666.1A patent/CN115022950A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480773A (en) * | 2010-11-25 | 2012-05-30 | 中兴通讯股份有限公司 | Multicarrier-based communication compensation method and system |
| CN112787789A (en) * | 2018-05-09 | 2021-05-11 | 中兴通讯股份有限公司 | Information acquisition method, device, equipment and computer readable storage medium |
| CN114080778A (en) * | 2019-07-17 | 2022-02-22 | 诺基亚通信公司 | Enhanced blind configuration of cells |
Non-Patent Citations (3)
| Title |
|---|
| ERICSSON: "R3-206514 "(TP for SON BL CR for TS 38.423, TS 38.473, TS 36.423, TS 38.300): CCO"", 3GPP TSG_RAN\\WG3_IU, no. 3 * |
| HUAWEI: "R3-185672 "(TP for NR BL CR for TS 38.423): Corrections on NG-RAN node Configuration Update"", 3GPP TSG_RAN\\WG3_IU, no. 3, pages 8 * |
| SAMSUNG: "R3-206019 "TP for SON BLCR for 38.423: Support of CCO"", 3GPP TSG_RAN\\WG3_IU, no. 3 * |
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