WO2014101026A1

WO2014101026A1 - Cell management method and system

Info

Publication number: WO2014101026A1
Application number: PCT/CN2012/087587
Authority: WO
Inventors: 李靖
Original assignee: 华为技术有限公司
Priority date: 2012-12-26
Filing date: 2012-12-26
Publication date: 2014-07-03
Also published as: CN104041101A

Abstract

The present invention relates to the field of communication systems. Disclosed are a cell management method and system, wherein a mapping between a cell and a sector is established during configuration of the cell, and some management of the cell is implemented through management of the sector by using the mapping, thereby improving flexibility of cell management. The sector is distinguished based on the location, and the location of the cell can be determined based on the sector; therefore, the cell can be dynamically managed, a frequency band can be dynamically configured for the cell, and an identification (ID) of the cell may not be changed after reallocation of the frequency band, which facilitates a location service based on the cell or facilitates planning of the cell based on the location, simplifies the establishment and maintenance of a neighboring relationship, and reduces the service interruption that may occur during handover.

Description

Community management method and system

The present invention relates to the field of communication systems, and in particular, to a cell management method and system.

Background technique

Currently, in a wireless communication system, cells are statically planned. That is to say, when the cell is established, its frequency band is static, that is, fixed, and the frequency band of each cell is different from the frequency band of other cells in the same base station or sector. When it is necessary to change the frequency band of the existing cell, it is necessary to delete the existing cell, reconfigure a new cell and activate it, which is not conducive to flexible management of the cell.

Summary of the invention

Embodiments of the present invention provide a cell management method and system to improve the flexibility of cell management.

The technical solution adopted by the embodiment of the present invention is:

A first aspect of the present invention provides a cell management system, including:

a base station, where at least one cell is configured under the base station;

The storage device is located in the base station or in a device connected to the base station, and the storage device is configured to store a mapping relationship between each cell configured under the base station and a sector where the cell is located.

In a first implementation manner of the first aspect, each cell configured in the base station corresponds to one sector, or multiple cells configured in the base station correspond to one sector.

A second aspect of the present invention provides a cell configuration method, including:

Allocating one or more frequency bands within a sector to configure one or more cells, wherein each cell corresponds to one frequency band;

And maintaining a mapping relationship between the one or more cells and the sector. In a first implementation manner of the second aspect, each of the cells corresponds to one sector, or the multiple cells correspond to one sector.

With reference to the second aspect, or the first implementation of the second aspect, in a second implementation manner of the second aspect, after the one or more frequency bands are allocated in a sector to configure one or more cells Also includes:

Assigning a cell I D to each of the cells;

Establishing a mapping relationship between the cell ID of the one or more cells and the sector ID of the sector in which the cell is located.

In combination with the second aspect or the first implementation of the second aspect, or the second implementation of the second aspect, in a third implementation of the second aspect,

The saving the mapping relationship between the one or more cells and the sector includes:

And mapping a mapping relationship between the cell ID of the one or more cells and the sector ID of the sector in which the cell is located.

A third aspect of the present invention provides a cell handover method, which is used in the foregoing cell management system, and includes:

Detecting whether there is a conflict signal in a frequency band corresponding to the current serving cell;

Obtaining, according to the mapping relationship, a target cell in a sector in which the current serving cell is located or a target cell in a neighboring sector of a sector in which the current serving cell is located;

Switching user equipment in the current serving cell to the target cell.

A fourth aspect of the present invention provides a cell switching apparatus, including:

a memory, configured to store a mapping relationship between each cell configured under the base station and a sector where the cell is located;

a detecting unit, configured to detect whether a collision signal exists in a frequency band corresponding to the current serving cell, and a switching unit, configured to acquire, according to the mapping relationship stored in the memory, a target in a sector where the current serving cell is located when a conflicting signal exists Cell or the current serving cell a target cell within an adjacent sector of the sector; and handing over user equipment within the current serving cell to the target cell.

The cell management method and system provided by the embodiments of the present invention establish a mapping relationship between a cell and a sector when the cell is configured, and then use the mapping relationship to complete management of certain cells of the cell, thereby improving cell management. Flexibility. Since the sector is differentiated based on the location, the location of the cell can be determined based on the sector. In this way, the cell can be dynamically managed, the frequency band dynamically configured for the cell, and the identity (ID) of the cell can be changed after the frequency band is re-allocated. Based on the location service of the cell, or the location-based cell planning, and the establishment and maintenance of the neighbor relationship, the service interruption that may occur during the handover process is reduced.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are merely the present invention. Some of the embodiments may be obtained by those of ordinary skill in the art in view of these drawings without any inventive effort.

1(a) and 1(b) are schematic diagrams showing the structure of a cell management system according to an embodiment of the present invention;

2 is a flowchart of a cell configuration method according to an embodiment of the present invention;

FIG. 3 is a flowchart of a cell handover method according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a cell switching apparatus according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a location of a sector where a cell is located according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a location of a sector where another cell is located according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts are protected by the present invention. Scope.

In order to make the advantages of the technical solutions of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

The embodiment of the present invention provides a cell management system, as shown in FIG. 1 ( a ) or FIG. 1 ( b ), the system includes: a base station 11 and a storage device 12 .

The base station 11 is configured with at least one cell, the storage device 12 is located in the base station 11 or located in a device connected to the base station 11, and the storage device 12 is configured to store each of the configurations configured by the base station 11. The mapping relationship between the cell and the sector in which the cell is located, each cell configured in the base station 11 corresponds to one sector, or multiple cells configured in the base station correspond to one sector.

Specifically, the foregoing mapping relationship may be stored in a storage device of a base station in various communication systems, such as a Base Transceiver Station (BTS), a Node B (Node B), and an evolved Node B (eNB). Or eNodeB), etc.; can also be stored in a Global System for Mobile Communications (GSM) Base Station Controller (BSC) or Universal Mobile Telecommunications System (UMTS) wireless In the storage device of the Network Controller (RNC). The above mapping relationship may be specifically established by a mapping relationship between the cell ID and the sector ID.

An embodiment of the present invention provides a cell configuration method. As shown in FIG. 2, the method includes:

201. Allocate one or more frequency bands in a sector to configure one or more cells, where each cell corresponds to one frequency band.

The frequency band may be a central frequency point and a corresponding frequency range, and each of the cells corresponds to one sector, or the multiple cells correspond to one sector. The location of the sector in which the cell is located may be as shown in FIG. 5 and FIG. 6. In FIG. 5 and FIG. 6, the sector where cell A and cell B are located is the same, and the cell A is different from the sector where cell C is located.

Further, after the step 201, the method may further include: separately assigning a cell ID to each of the cells; A mapping relationship between the cell ID of the one or more cells and the sector ID of the sector in which the cell is located is then established.

202. Save a mapping relationship between the one or more cells and the sector.

Specifically, a mapping relationship between a cell ID of the one or more cells and a sector ID of a sector in which the cell is located is saved.

The specific relationship between the cell ID and the sector ID of the sector where the cell is located may be established in the cell ID, and the mapping relationship between the cell ID and the sector ID of the sector in which the cell is located may be established. Make a limit.

Further, for the cell management method and system provided by the embodiment of the present invention, the DFS (dynamic frequency selection) technology is applied in the wireless communication system. In order to ensure the proper use of the radio spectrum for all radiocommunication services, such as the satellite service, the radio access system requires the -i DFS (dynamic frequency selection) function to reduce the frequency bands such as 5150-5350 MHz and 5470-5725 MHz. Interference with co-channel radar and satellite, however, DFS and related technologies cannot be applied to wireless mobile communication systems at present, because the cell bands of existing wireless communication systems are static planning, and DFS technology is used in wireless communication systems. This caused the cell business to be interrupted. In the embodiment of the present invention, when the cell is configured, the mapping relationship between the cell and the sector is established, and then the mapping relationship is used, and when there is a collision signal in the frequency band of the serving cell, the user equipment in the serving cell can be switched to the serving cell. The other cells of the sector are switched to the cells in the sector adjacent to the sector, thereby ensuring the continuity of the cell service, and realizing the application of the DFS technology in the wireless communication system.

The cell management method and system provided by the embodiments of the present invention establish a mapping relationship between a cell and a sector when the cell is configured, and then use the mapping relationship to complete management of certain cells of the cell, thereby improving cell management. Flexibility. Since the sector is differentiated based on the location, the location of the cell can be determined based on the sector. In this way, the cell can be dynamically managed, and the frequency band dynamically configured for the cell, and the identity (ID) of the cell can be changed after the frequency band is re-allocated. based on The location service of the cell, or the location-based cell planning, and the establishment and maintenance of the neighbor relationship, reduces the service interruption that may occur during the handover process.

The embodiment of the present invention provides a cell handover method, which may be used in the cell management system of FIG. 1. The executor of the method may be a base station, or may be a device connected to the base station, which is not limited in the embodiment of the present invention. As shown in FIG. 3, the method includes:

301. Detect whether a collision signal exists in a frequency band corresponding to the current serving cell.

The collision signal may be a weather radar signal, a military radar signal, a satellite communication signal, or the like, or a signal of another wireless access network, which is not limited in this embodiment.

302. When there is a collision signal, obtain, according to the mapping relationship, a target cell in a sector where the current serving cell is located or a target cell in a sector adjacent to the sector.

30 3. Switch the user equipment in the current serving cell to the target cell. The specific application scenario of the cell handover method provided by the implementation of the present invention may be, but not limited to, the following forms, including: configuring three cells A, B, and C on a sector according to the location relationship shown in FIG. 5, and A and B. The three cells of C correspond to one frequency band of different frequencies. When the A cell provides a service for the user in the cell, if the radar signal is detected in the frequency band used by the A cell, the user in the A cell is switched to the B cell or the C cell, and the service function of the A cell is closed. The cell or the C cell provides services for the user, thereby maintaining the continuity of the cell service. At the same time, since the location of the sector where the B cell and the C cell are located are the same as and adjacent to the A cell, the complexity of the cell handover is further reduced.

The cell handover method provided by the embodiment of the present invention performs cell handover according to a mapping relationship when a collision signal exists in a frequency band of a cell that provides a service, and continues to provide services for users by other cells, thereby maintaining continuity of cell services. And by establishing a mapping relationship between the cell ID and the sector ID of the sector in which the cell is located, the cells that are adjacent or identical to each other can be selected for handover, thereby reducing the complexity of cell handover.

The embodiment of the present invention provides a cell switching device. As shown in FIG. 4, the entity of the device may be a communication device such as a base station or an access network device, which is not limited by the embodiment of the present invention. It may include: a memory 41, a detecting unit 42, and a switching unit 43.

The memory 41 can be used to store a mapping relationship between each cell configured under the base station and a sector where the cell is located.

The detecting unit 42 may be configured to detect whether a conflict signal exists in a frequency band corresponding to the current serving cell.

The switching unit 43 may be configured to: when a conflicting signal exists, acquire, according to the mapping relationship stored by the memory, a target cell in a sector where the current serving cell is located or a neighboring sector of a sector where the current serving cell is located a target cell; and switching user equipment in the current serving cell to the target cell.

The detecting unit 42 and the switching unit 43 may be hardware entities independent of the processor in the cell switching device, or may be embedded in the memory 41, or may be stored in the storage area of the processor in software. For the processor to perform the detection switching operation, it may also be stored in the storage area outside the processor in software, so that the processor invokes the execution to perform the corresponding detection operation, and the present invention does not impose any limitation.

It should be noted that other corresponding descriptions of the functional units involved in the cell switching apparatus provided by the embodiment of the present invention may be referred to the corresponding description in FIG. 3, and details are not described herein again.

The cell switching apparatus provided by the embodiment of the present invention performs cell handover according to a mapping relationship when a collision signal exists in a frequency band of a cell that provides a service, and continues to provide services for users by other cells, thereby maintaining continuity of cell services. And by establishing a mapping relationship between the cell ID and the sector ID of the sector in which the cell is located, the cells that are adjacent or identical to each other can be selected for handover, thereby reducing the complexity of cell handover.

The cell management system provided by the embodiment of the present invention may implement the foregoing method embodiment. For the specific function implementation, refer to the description in the method embodiment, and details are not described herein again. The cell management method and system provided by the embodiments of the present invention can be applied to the field of communication systems, but is not limited thereto.

One of ordinary skill in the art can understand all or part of the method of implementing the above embodiments. The process may be performed by a computer program to instruct related hardware, and the program may be stored in a computer readable storage medium, and when executed, the program may include a flow of an embodiment of the methods as described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any change or replacement that can be easily conceived by those skilled in the art within the technical scope of the present invention is All should be covered by the scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

claims

1. A community management system, characterized by including:

A base station, at least one cell is configured under the base station;

A storage device is located in the base station or in a device connected to the base station. The storage device is used to store the mapping relationship between each cell configured under the base station and the sector where the cell is located.

2. The cell management system according to claim 1, wherein each cell configured under the base station corresponds to one sector, or multiple cells configured under the base station correspond to one sector.

3. A cell configuration method, characterized by including:

Allocate one or more frequency bands within the sector to configure one or more cells, where each cell corresponds to one frequency band;

The mapping relationship between the one or more cells and the sector is saved.

4. The cell configuration method according to claim 3, wherein each cell corresponds to a sector, or the plurality of cells corresponds to a sector.

5. The cell configuration method according to claim 3, wherein after allocating one or more frequency bands within a sector to configure one or more cells, the method further includes:

Allocate a cell ID to each cell;

Establish a mapping relationship between the cell ID of the one or more cells and the sector ID of the sector where the cell is located.

6. The cell configuration method according to claim 5, wherein said saving the mapping relationship between the one or more cells and the sector includes:

The mapping relationship between the cell ID of the one or more cells and the sector ID of the sector where the cell is located is stored.

7. A cell switching method, used in the cell management system as claimed in claim 1, characterized in that it includes:

Detect whether there are conflicting signals in the frequency band corresponding to the current serving cell;

When there is a conflicting signal, obtain the sector where the current serving cell is located according to the mapping relationship. The target cell within the current serving cell or the target cell within the adjacent sector of the sector where the current serving cell is located; handover the user equipment in the current serving cell to the target cell.

8. A cell switching device, characterized in that it includes:

The memory is used to store the mapping relationship between each cell configured under the base station and the sector where the cell is located; the detection unit is used to detect whether there is a conflict signal in the frequency band corresponding to the current serving cell; the switching unit is used when there is a conflict signal , according to the mapping relationship stored in the memory, obtain the target cell in the sector where the current serving cell is located or the target cell in the adjacent sector of the sector where the current serving cell is located; and obtain the target cell in the sector where the current serving cell is located; The user equipment is switched to the target cell.