CN105813133A

CN105813133A - Network load balance control method and system and load balance control device

Info

Publication number: CN105813133A
Application number: CN201410838380.6A
Authority: CN
Inventors: 张建敏; 王敏; 谢伟良; 杨峰义
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2014-12-30
Filing date: 2014-12-30
Publication date: 2016-07-27
Anticipated expiration: 2034-12-30
Also published as: CN105813133B

Abstract

The embodiments of the invention disclose a network load balance control method and system and a load balance control device. The method comprises the step of adaptively adjusting a target serving cell of a user terminal when the user terminal initiates a service request according to load information of a current serving cell, load information of adjacent cells under the same RAT (Radio Access Technology) system, load information of adjacent cells under different RAT systems, service requirements and capability information of terminal users and the like, thereby dynamically realizing load balance between the cells under the same RAT system and between the cells under different RAT systems. The method, the system and the device can improve the user experience of the terminal and the utilization rate of network resources.

Description

Network Load Balance control method and system, load balancing control device

Technical field

The present invention relates to communication technology, control device particularly to a kind of offered load method and system, load balancing.

Background technology

Fast development along with mobile communication technology, emerge various mobile Internet and Internet of Things new business, the network of following 5th third-generation mobile communication technology (5G) be one based on multiple services heterogeneous network, many of wireless technology standard coexists.Simultaneously, due to terminal use's skewness, and the generation of customer service change over time and Rapid Variable Design, thus can cause that each cell load differs greatly, the community excessively concentrated for business can cause the increase of network congestion probability, reducing Consumer's Experience, then there is the problem that resource utilization is relatively low in the community relatively low for traffic load.Therefore, the purpose of network balancing technique, precisely in order to adjust the load level of multiple minizone, reduces the distribution of high load capacity Zone, promotes the resource utilization of underload community, thus reaching to promote the purpose of Consumer's Experience and network entirety resource utilization.

But, in the process realizing the present invention, inventor have found that, currently for same wireless access technology (RAT, RadioAccessTechnology) after deliberation more of the inter-cell load balancing technique under system, but for future based under the heterogeneous network of business, such as, cellular software definition network (SDN) architecture network, how in the process of terminal originating service request, dynamically realizing minizone under same RAT system and the inter-cell load under different RAT system is balanced, the method that there is no at present realizes.

Summary of the invention

The embodiment of the present invention proposes a kind of Network Load Balance control method and system, load balancing control device, balanced with the inter-cell load under minizone under the same RAT system of dynamic implement and different RAT system, improves Consumer's Experience and network resource utilization.

A kind of Network Load Balance control method that the embodiment of the present invention provides, including:

User terminal is in current service cell to serving BS initiating business request, and this service request includes the business demand information that user terminal identification, ID and user terminal requests carry out；

Serving BS controls device reporting service to load balancing and controls request message, and Service control request message includes the cell ID of service request and current service cell；

Load balancing controls the device cell ID according to user terminal identification, ID, business demand information and current service cell, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of current service cell, same wireless access technology RAT system, different RAT system, the ability information of user terminal and business demand, and be chosen for user terminal user accordingly the target serving district of this business service is provided；

Load balancing control device triggering user terminal is switched to target serving district and carries out this business.

In another embodiment based on above-mentioned Network Load Balance control method, load balancing controls the device cell ID according to user terminal identification, ID, business demand information and current service cell, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of current service cell, same wireless access technology RAT system, different RAT system, the ability information of user terminal and business demand, and be chosen for user terminal user accordingly and provide the target serving district of this business service to include:

Cell ID according to business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of current service cell to serving BS and meet business demand；

Information on load according to current service cell and needed for take the wireless resource information of community, after identifying that current service cell provides the user this business service, whether the network expection load of current service cell exceedes the default load thresholding of Serving cell；

If the network expection load of current service cell is not less than the default load thresholding of Serving cell, using Serving cell as target serving district, instruction serving BS processes service request；

If the network expection load of current service cell exceedes the default load thresholding of Serving cell, cell ID according to business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in same RAT system and meeting business demand；

According in same RAT system each neighbor cell information on load and needed for take the wireless resource information of community, whether identify after existing in same RAT system and providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community；

If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, from same RAT system, network expection load is preset not less than community in the neighbor cell of load thresholding and is chosen a best neighbor cell of signal quality as target serving district, performs load balancing afterwards and controls device and trigger user terminal and be switched to target serving district and carry out the operation of this business.

In another embodiment based on above-mentioned Network Load Balance control method, from same RAT system, a best neighbor cell of signal quality is chosen in the network expection load neighbor cell not less than the default load thresholding in community and include as target serving district: load balancing controls device instruction serving BS and measures notice to user terminal sending system；

Serving BS receives the cell measurement reporting reported after user terminal carries out isosystem measurement and is transmitted to load balancing control device, and cell measurement reporting includes the signal intensity of each neighbor cell；

Load balancing controls the device signal intensity according to neighbor cell each in cell measurement reporting, and the neighbor cell that network expection load is maximum not less than one signal intensity of selection in the neighbor cell of the default load thresholding in community from same RAT system is as target serving district.

In another embodiment based on any of the above-described Network Load Balance control method, also include:

If same RAT system being absent from network expection load after providing the user this business service preset the neighbor cell of load thresholding not less than community, load balancing controls device and obtains the ability information of user terminal according to user terminal identification, and whether the ability information identification user terminal according to user terminal has the ability to access other RAT system；

If user terminal has the ability to access other RAT system, one is chosen as different RAT systems have the ability other RAT system of access from user terminal, cell ID according to business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand；

According in different RAT systems each neighbor cell information on load and needed for take the wireless resource information of community, whether exist in the different RAT system of identification after providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community；

If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, from different RAT systems, network expection load is preset not less than community in the neighbor cell of load thresholding and is chosen a best neighbor cell of signal quality as target serving district, performs load balancing afterwards and controls device and trigger user terminal and be switched to target serving district and carry out the operation of this business.

In another embodiment based on above-mentioned Network Load Balance control method, choose one having the ability other RAT system of access from user terminal and include as different RAT systems:

According to the priority orders between the RAT system pre-set, choose other the highest RAT system of priority having the ability other RAT system of access from user terminal as different RAT systems.

In another embodiment based on above-mentioned Network Load Balance control method, also include:

If different RAT systems being absent from network expection load after providing the user this business service preset the neighbor cell of load thresholding not less than community, load balancing controls device according to the priority orders between the RAT system pre-set, other RAT system that next priority takes second place is chosen as different RAT systems having the ability, from user terminal, other RAT system of accessing, perform the cell ID according to business demand information and current service cell, the operation of the wireless resource information of community is taken needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand.

In another embodiment based on above-mentioned Network Load Balance control method, also include: being all absent from network expection load after providing the user this business service if user terminal is had the ability in other RAT system of access and preset the neighbor cell of load thresholding not less than community, load balancing controls device instruction serving BS and refuses to provide this business service for user terminal.

If user terminal has no ability to access other RAT system, load balancing controls device instruction serving BS refusal provides this business service for user terminal.

In another embodiment based on any of the above-described Network Load Balance control method, load balancing controls device and triggers user terminal and be switched to target serving district and carry out this business and include:

Load balancing controls device and issues community handoff notification message according to ID to user terminal, and this community handoff notification message includes needing the cell ID of the target serving district being switched to；And to transmission community, base station, target serving district handover request message, this community handover request message includes ID；

Carry out community switching flow between user terminal and base station, target serving district and carry out community switching；

After user terminal is switched to target serving district, again to base station, target serving district initiating business request.

When user terminal initially adheres to network, to the ability information of this user terminal of serving base stations report；

Serving BS controls device to load balancing and forwards the ability information of user terminal；

Load balancing controls the ability information of device storage user terminal.

The embodiment of the present invention also provides for a kind of load balancing and controls device, including:

Receiving unit, for receiving the Service control request message of serving base stations report, Service control request message includes the cell ID of service request and current service cell；Service request includes the business demand information that user terminal identification, ID and user terminal requests carry out；

Acquiring unit, for according to receiving the cell ID of user terminal identification, ID, business demand information and current service cell in the Service control request message that unit receives, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of current service cell, same wireless access technology RAT system, different RAT system, the ability information of user terminal and business demand；

Choose unit, the target serving district of this business service is provided for user terminal user for the wireless resource information that takies needed for the information on load obtained according to acquiring unit, the ability information of user terminal and business demand；

Control unit, is used for triggering user terminal and is switched to target serving district and carries out this business.

Control in another embodiment of device based on above-mentioned load balancing, acquiring unit, with specific reference to the cell ID of business demand information and current service cell, needed for obtaining the information on load of current service cell from serving BS and meet business demand, take the wireless resource information of community；And the instruction according to the wireless resource information taking community needed for choosing the information on load obtaining each neighbor cell, current service cell in same RAT system that unit sends and meeting business demand, cell ID according to business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in same RAT system and meeting business demand；

Choose unit, the information on load of current service cell that obtains with specific reference to acquiring unit and take the wireless resource information of community needed for meeting business demand, after identifying that current service cell provides the user this business service, whether the network expection load of current service cell exceedes the default load thresholding of Serving cell；If the network expection load of current service cell is not less than the default load thresholding of Serving cell, using Serving cell as target serving district, instruction serving BS processes service request；If the network expection load of current service cell exceedes the default load thresholding of Serving cell, the instruction acquiring unit cell ID according to business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in same RAT system and meeting business demand；And in the same RAT system obtained according to acquiring unit each neighbor cell information on load and needed for take the wireless resource information of community, whether identify after existing in same RAT system and providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community；If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, from same RAT system, a best neighbor cell of signal quality is chosen as target serving district in the network expection load neighbor cell not less than the default load thresholding in community, indicate control unit triggering user terminal to be switched to target serving district afterwards and carry out this business；

Control unit, is switched to target serving district with specific reference to the triggering user terminal choosing unit transmission and carries out the instruction of this business, and triggering user terminal is switched to target serving district and carries out this business.

Control in another embodiment of device based on above-mentioned load balancing, choose unit, in same RAT system, specifically it is absent from network expection load after providing the user this business service presets the neighbor cell of load thresholding not less than community, instruction acquiring unit obtains the ability information of user terminal according to user terminal identification, and whether the ability information identification user terminal according to user terminal has the ability to access other RAT system；If user terminal has the ability to access other RAT system, one is chosen as different RAT systems have the ability other RAT system of access from user terminal, and indicate the acquiring unit cell ID according to business demand information and current service cell, take the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand；And in the different RAT systems obtained according to acquiring unit each neighbor cell information on load and needed for take the wireless resource information of community, whether exist in the different RAT system of identification after providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community；If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, from difference RAT systems, a best neighbor cell of signal quality is chosen as target serving district in the network expection load neighbor cell not less than the default load thresholding in community, indicate control unit execution triggering user terminal to be switched to target serving district afterwards and carry out the operation of this business；

Acquiring unit, with specific reference to the instruction choosing the ability information obtaining user terminal that unit sends, obtains the ability information of user terminal；And the instruction according to the wireless resource information taking community needed for choosing the information on load obtaining each neighbor cell, current service cell in different RAT system that unit sends and meeting business demand, cell ID according to business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand.

Control in another embodiment of device based on above-mentioned load balancing, choose unit, specifically according to the priority orders between the RAT system pre-set, choose other the highest RAT system of priority having the ability other RAT system of access from user terminal as different RAT systems.

Control in another embodiment of device based on above-mentioned load balancing, choose unit, in different RAT systems, specifically it is absent from network expection load after providing the user this business service presets the neighbor cell of load thresholding not less than community, then according to the priority orders between the RAT system pre-set, other RAT system that next priority takes second place is chosen as different RAT systems having the ability, from user terminal, other RAT system of accessing, and indicate acquiring unit to perform the cell ID according to business demand information and current service cell, the operation of the wireless resource information of community is taken needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand.

Control in another embodiment of device based on above-mentioned load balancing, choose unit, if being additionally operable to network expection load after being all absent from providing the user this business service in other RAT system that user terminal has the ability to access to preset the neighbor cell of load thresholding not less than community, instruction serving BS refusal provides this business service for user terminal.

Controlling based on above-mentioned load balancing, in another embodiment of device, to choose unit, if being additionally operable to user terminal to have no ability to access other RAT system, instruction serving BS refusal provides this business service for user terminal.

In another embodiment based on above-mentioned arbitrary load equalising control device, control unit, issuing community handoff notification message with specific reference to receiving the ID that unit receives to user terminal, this community handoff notification message includes needing the cell ID of the target serving district being switched to；And to transmission community, base station, target serving district handover request message, this community handover request message includes ID.

Control based on any of the above-described load balancing, in another embodiment of device, to receive unit, be additionally operable to receive the ability information of the user terminal that base station forwards；

This load balancing controls device and also includes memory element, for storing the ability information of the user terminal that acquiring unit obtains.

The embodiment of the present invention also provides for a kind of Network Load Balance and controls system, including:

User terminal, is used in current service cell to serving BS initiating business request, and this service request includes the business demand information that user terminal identification, ID and user terminal requests carry out；

Serving BS, controls request message for controlling device reporting service to load balancing, and Service control request message includes the cell ID of service request and current service cell；

Load balancing controls device, for the cell ID according to user terminal identification, ID, business demand information and current service cell, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of current service cell, same wireless access technology RAT system, different RAT system, the ability information of user terminal and business demand, and be chosen for user terminal user accordingly the target serving district of this business service is provided；And triggering user terminal is switched to target serving district and carries out this business.

Control in another embodiment of system based on above-mentioned Network Load Balance, serving BS, it is additionally operable to control the refusal of device transmission according to load balancing and the instruction of this business service is provided for user terminal, refuse to provide this business service for user terminal.

Control in another embodiment of system based on above-mentioned Network Load Balance, user terminal, being additionally operable to control the community handoff notification message that issues of device receiving load balancing, this community handoff notification message includes needing the cell ID of the target serving district being switched to；And and base station, target serving district between carry out community switching flow and carry out community switching；And after being switched to target serving district, again to base station, target serving district initiating business request.

This Network Load Balance controls system and also includes base station, target serving district, controls, for balancing received load, the community handover request message that device sends, and this community handover request message includes ID；And carry out community switching flow with user terminal and carry out community switching；And receive the service request that user terminal sends.

Control in another embodiment of system based on any of the above-described Network Load Balance, user terminal is additionally operable to when initial attachment network, to the ability information of this user terminal of serving base stations report；

Serving BS is additionally operable to control device to load balancing and forwards the ability information of user terminal；

Load balancing controls device and is additionally operable to the ability information of storage user terminal.

Control in another embodiment of system based on any of the above-described Network Load Balance, load balancing controls device and is specially the load balancing control device that any of the above-described load balancing controls in device embodiment.

The above-mentioned Network Load Balance control method of embodiment of the present invention proposition and system, load balancing controls device, in the process of user terminal initiating business request, according to current service cell information on load, with neighboring cell load information under RAT system, under different RAT systems, neighboring cell load information and end-user service require and ability information etc., it is adaptively adjusted the target serving district of user terminal, dynamically realize minizone under same RAT system and the inter-cell load under different RAT system is balanced, promote Consumer's Experience and the network resource utilization of terminal.

Accompanying drawing explanation

The accompanying drawing constituting a part for description describes embodiments of the invention, and is used for explaining principles of the invention together with describing.

With reference to accompanying drawing, according to detailed description below, it is possible to be more clearly understood from the present invention, wherein:

Fig. 1 is the structural representation that inventive network load balancing controls one embodiment of system.

Fig. 2 is the structural representation that inventive network load balancing controls one Application Example of system.

Fig. 3 is the structural representation that inventive network load balancing controls another embodiment of system.

Fig. 4 is the schematic flow sheet of one embodiment of inventive network control method for equalizing load.

Fig. 5 is the schematic flow sheet of inventive network another embodiment of control method for equalizing load.

Fig. 6 is the structural representation that load balancing of the present invention controls one embodiment of device.

Fig. 7 is the structural representation that load balancing of the present invention controls another embodiment of device.

Detailed description of the invention

The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that unless specifically stated otherwise, the parts otherwise set forth in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit the scope of the invention.

Simultaneously, it should be appreciated that for the ease of describing, the size of the various piece shown in accompanying drawing is not draw according to actual proportionate relationship.

Description only actually at least one exemplary embodiment is illustrative below, never as any restriction to the present invention and application or use.

The known technology of person of ordinary skill in the relevant, method and apparatus are likely to be not discussed in detail, but in the appropriate case, described technology, method and apparatus should be considered a part for description.

Shown here with in all examples discussed, any occurrence should be construed as merely exemplary, not as restriction.Therefore, other example of exemplary embodiment can have different values.

It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be further discussed in accompanying drawing subsequently.

Fig. 1 is the structural representation that inventive network load balancing controls one embodiment of system, as it is shown in figure 1, the Network Load Balance of this embodiment controls system includes user terminal, serving BS and load balancing control device.Wherein:

User terminal, for in current service cell to the serving BS initiating business request of its this community (that is: covering the base station of this current service cell), this service request includes the business demand information that user terminal identification, ID and user terminal requests carry out.

Wherein, user terminal identification uniquely indicates a user terminal；ID uniquely indicates a user；Business demand information can be service identification, Business Name or type.

Serving BS, controls request message for controlling device reporting service to load balancing, and this Service control request message includes the cell ID of service request and current service cell.

In the embodiment of the present invention, each base station can cover more than one community.

Load balancing controls device, cell ID for the user terminal identification reported according to user terminal, ID, business demand information and current service cell, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of current service cell, same wireless access technology RAT system, different RAT system, the ability information of user terminal and business demand, and be chosen for user terminal user accordingly the target serving district of this business service is provided；And triggering user terminal is switched to target serving district and carries out this business.This load balancing controls device can control the structure realization of device based on Fig. 6 and Fig. 7 any embodiment load balancing.

Fig. 2 is the structural representation that inventive network load balancing controls one Application Example of system, as shown in Figure 2, this embodiment can include multiple RAT system, one of them RAT system can include multiple base station, above-mentioned load balancing control the work that device is unified, coordinate to control above-mentioned RAT system and base station.

The above-mentioned Network Load Balance that the embodiment of the present invention proposes controls system, in the process of user terminal initiating business request, according to current service cell information on load, with neighboring cell load information and end-user service requirement and ability information etc. under neighboring cell load information, different RAT system under RAT system, it is adaptively adjusted the target serving district of user terminal, dynamically realize minizone under same RAT system and the inter-cell load under different RAT system is balanced, promote Consumer's Experience and the network resource utilization of terminal.

Control in another embodiment of system based on the above-mentioned Network Load Balance of the present invention, serving BS, it is additionally operable to, receiving after load balancing controls the instruction that the refusal that device sends provides this business service for user terminal, refuse to provide this business service for user terminal.

Fig. 3 is the structural representation that inventive network load balancing controls another embodiment of system.In this embodiment,

User terminal is additionally operable to control the community handoff notification message that issues of device receiving load balancing, and this community handoff notification message includes needing the cell ID of the target serving district being switched to；And and base station, target serving district between carry out community switching flow and carry out community switching；And after being switched to target serving district, again to base station, target serving district initiating business request.

As it is shown on figure 3, this Network Load Balance controls system also includes base station, target serving district, controlling, for balancing received load, the community handover request message that device sends, this community handover request message includes ID；And carry out community switching flow with user terminal and carry out community switching；And receive the service request that user terminal sends.

Control in the another embodiment of system based on the above-mentioned Network Load Balance of the present invention, user terminal is additionally operable to when initial attachment network, to the ability information of above-mentioned this user terminal of serving base stations report.

This serving BS is additionally operable to control device to load balancing and forwards the ability information of this user terminal.

Load balancing controls device and is additionally operable to store the ability information of this user terminal.

Fig. 4 is the schematic flow sheet of an embodiment of inventive network control method for equalizing load, and as shown in Figure 4, the Network Load Balance control method of this embodiment includes:

101, user terminal is in current service cell to the serving BS initiating business request of this community, and this service request includes the business demand information that user terminal identification, ID and user terminal requests carry out.

102, above-mentioned serving BS controls device to load balancing and reports above-mentioned Service control request message, and this Service control request message includes the cell ID of service request that user terminal reports and current service cell.This cell ID uniquely indicates a Serving cell.

103, load balancing controls the device cell ID according to above-mentioned user terminal identification, ID, business demand information and current service cell, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of current service cell, same wireless access technology RAT system, different RAT system, the ability information of user terminal and business demand, and be chosen for user terminal user accordingly the target serving district of this business service is provided.

104, load balancing controls device and triggers this user terminal and be switched to target serving district and carry out this business.

The above-mentioned Network Load Balance control method that the embodiment of the present invention proposes, in the process of user terminal initiating business request, according to current service cell information on load, with neighboring cell load information and end-user service requirement and ability information etc. under neighboring cell load information, different RAT system under RAT system, it is adaptively adjusted the target serving district of user terminal, dynamically realize minizone under same RAT system and the inter-cell load under different RAT system is balanced, promote end-user experience and network resource utilization.

Fig. 5 is the schematic flow sheet of another embodiment of inventive network control method for equalizing load, as it is shown in figure 5, the Network Load Balance control method of this embodiment includes:

201, user terminal is in current service cell to the serving BS initiating business request of this community, and this service request includes the business demand information that user terminal identification, ID and user terminal requests carry out.

202, above-mentioned serving BS controls device to load balancing and reports above-mentioned Service control request message, and Service control request message includes the cell ID of service request that user terminal reports and current service cell.This cell ID uniquely indicates a Serving cell.

203, load balancing controls the device cell ID according to above-mentioned business demand information and current service cell, the wireless resource information of community is taken needed for obtaining the information on load of current service cell to the serving BS of this community and meet above-mentioned business demand, for instance, Radio Resource takies situation.

In a particular application, load balancing controls device can according to the service identification in above-mentioned business demand information, such as this mark indicates a video traffic, obtains after current area adds the video traffic of the described sign of this mark to current service cell, and the Radio Resource of this community takies situation.

204, load balancing control device according to the information on load of current service cell and needed for take the wireless resource information of community, after identifying that current service cell provides the user this business service, whether the network expection load of current service cell exceedes the default load thresholding of this Serving cell.

If the network expection load of current service cell is not less than the default load thresholding of this Serving cell, then performs 205 operations, otherwise hold 206 operations.

205, load balancing controls device using above-mentioned Serving cell as target serving district, indicates this Serving cell serving BS to process above-mentioned service request.

206, load balancing controls the device cell ID according to above-mentioned business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in same RAT system and meeting business demand.

207, load balancing control device according in above-mentioned same RAT system each neighbor cell information on load and needed for take the wireless resource information of community, whether identify after existing in above-mentioned same RAT system and providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community.

If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, then perform 208 operations, otherwise hold 212 operations.

208, load balancing controls device and indicates above-mentioned serving BS to measure notice to user terminal sending system.

209, above-mentioned serving BS receives the above-mentioned cell measurement reporting reported after user terminal carries out systematic survey and is transmitted to load balancing control device, and above-mentioned cell measurement reporting includes the signal intensity of each neighbor cell.

210, load balancing controls the device signal intensity according to neighbor cell each in above-mentioned cell measurement reporting, and the neighbor cell that network expection load is maximum not less than one signal intensity of selection in the neighbor cell of the default load thresholding in community from this RAT system is as target serving district.

211, load balancing control device triggering user terminal is switched to above-mentioned target serving district and carries out the operation of this business.

This operation includes below scheme:

1) load balancing controls the ID that reports according to user terminal of device and issues community handoff notification message to user terminal, and this community handoff notification message includes needing the cell ID of the target serving district being switched to；And to transmission community, base station, above-mentioned target serving district handover request message, this community handover request message includes ID.

2) carry out community switching flow between user terminal and base station, above-mentioned target serving district and carry out community switching.

3) after user terminal is switched to above-mentioned target serving district, again to this base station, target serving district initiating business request.

212, load balancing controls device and obtains the ability information of this user terminal according to above-mentioned user terminal identification, such as, the network type that this user terminal support accesses, including Generation Mobile Telecommunication System technology (2G) network, G mobile communication (3G) network, forth generation mobile communication technology (4G) network etc..

213, load balancing controls device according to whether this user terminal of ability information identification of above-mentioned user terminal has the ability to access other RAT system.If this user terminal has the ability to access other RAT system, then perform 214 operations, if otherwise this user terminal has no ability to access other RAT system, then perform 217 operations.

214, load balancing controls to choose one as different RAT systems device has the ability other RAT system of access from user terminal, cell ID according to above-mentioned business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in above-mentioned different RAT system and meeting business demand.

In a concrete example, according to the priority orders between the RAT system pre-set, other the highest RAT system of priority can be chosen having the ability other RAT system of access from above-mentioned user terminal as different RAT systems.

215, load balancing control device according in above-mentioned different RAT systems each neighbor cell information on load and needed for take the wireless resource information of community, whether identify after existing in this difference RAT system and providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community.

If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, then perform 208 operations, otherwise perform 216 operations.

216, load balancing controls device according to the priority orders between the RAT system pre-set, other RAT system that next priority takes second place is chosen as different RAT systems having the ability, from above-mentioned user terminal, other RAT system of accessing, perform cell ID according to business demand information and current service cell in 215 operations, needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand, take the operation of the wireless resource information of community.

If being operated by 215 and 216 according to the priority orders between the RAT system pre-set to after other RAT system above-mentioned traversal, after user terminal has the ability in other RAT system above-mentioned of accessing all to be absent from providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community, then perform 217 operations.

217, load balancing controls device and indicates above-mentioned serving BS refusal to provide this business service for user terminal.Meanwhile, this serving BS issues the notification message of refusal service to user terminal.

In various embodiments of the present invention, information on load can be the Radio Resource occupied information of Serving cell, it can in addition contain be the terminal quantity accessing this Serving cell；Load thresholding specifically can be determined by the network equipment bearing capacity of Serving cell and network load change statistics.

In various embodiments of the present invention, network expection load represents the current loads of Serving cell load after the business increasing user terminal requests.

In another embodiment based on above-mentioned Network Load Balance control method, before Fig. 1 and Fig. 2 embodiment, also include following operation:

1) user terminal is when initial attachment network, to the ability information of above-mentioned this user terminal of serving base stations report.

2) this serving BS controls the ability information of the device above-mentioned user terminal of forwarding to load balancing.

3) load balancing control device stores the ability information of this user terminal.

Fig. 6 is the structural representation that load balancing of the present invention controls one embodiment of device, and the load balancing of this embodiment controls device can realize the corresponding function of load balancing control device in the various embodiments described above Network Load Balance control method of the present invention and system.As it is shown in figure 5, the load balancing of this embodiment controls device includes receiving unit, acquiring unit, memory element and allocation units.Wherein:

Receiving unit, for receiving the Service control request message of the serving base stations report of current service cell, this Service control request message includes the cell ID of service request that user terminal reports and current service cell；This service request includes the business demand information that user terminal identification, ID and user terminal requests carry out.

Acquiring unit, for according to receiving the cell ID of user terminal identification, ID, business demand information and current service cell in the above-mentioned Service control request message that unit receives, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of current service cell, same wireless access technology RAT system, different RAT system, the ability information of user terminal and business demand.

Choose unit, the target serving district of this business service is provided for user terminal user for the wireless resource information that takies needed for the above-mentioned information on load obtained according to acquiring unit, the ability information of user terminal and business demand.

Control unit, is used for triggering user terminal and is switched to above-mentioned target serving district and carries out this business.

The above-mentioned load balancing that the embodiment of the present invention proposes controls device, in the process of user terminal initiating business request, according to current service cell information on load, with neighboring cell load information and end-user service requirement and ability information etc. under neighboring cell load information, different RAT system under RAT system, it is adaptively adjusted the target serving district of user terminal, dynamically realize minizone under same RAT system and the inter-cell load under different RAT system is balanced, promote end-user experience and network resource utilization.

Control in another embodiment of device based on above-mentioned load balancing, acquiring unit with specific reference to the cell ID of above-mentioned business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of current service cell from above-mentioned serving BS and meet business demand；And the instruction according to the wireless resource information taking community needed for choosing the information on load obtaining each neighbor cell, current service cell in same RAT system that unit sends and meeting business demand, cell ID according to above-mentioned business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in same RAT system and meeting business demand.

The wireless resource information of community is taken needed for choosing the information on load of the above-mentioned current service cell that unit obtains according to acquiring unit and meeting business demand, after identifying that current service cell provides the user this business service, whether the network expection load of current service cell exceedes the default load thresholding of Serving cell；If the network expection load of current service cell is not less than the default load thresholding of Serving cell, using this Serving cell as target serving district, the above-mentioned serving BS of this target serving district is indicated to process service request；If the network expection load of current service cell exceedes the default load thresholding of Serving cell, the instruction acquiring unit cell ID according to above-mentioned business demand information and current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in same RAT system and meeting business demand；And in the above-mentioned same RAT system obtained according to acquiring unit each neighbor cell information on load and needed for take the wireless resource information of community, whether identify after existing in above-mentioned same RAT system and providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community；If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, from above-mentioned same RAT system, a best neighbor cell of signal quality is chosen as target serving district in the network expection load neighbor cell not less than the default load thresholding in community, afterwards, indicate control unit triggering user terminal to be switched to this target serving district and carry out this business.

Control unit is switched to target serving district with specific reference to the above-mentioned triggering user terminal choosing unit transmission and carries out the instruction of this business, and triggering user terminal is switched to this target serving district and carries out this business.

Control in another embodiment of device based on above-mentioned load balancing, when choosing that after unit is absent from providing the user this business service in same RAT system, network expection load presets the neighbor cell of load thresholding not less than community, instruction acquiring unit obtains the ability information of user terminal according to user terminal identification, and whether the ability information identification user terminal according to this user terminal has the ability to access other RAT system；If user terminal has the ability to access other RAT system, one is chosen as different RAT systems have the ability other RAT system above-mentioned of access from user terminal, and indicate the acquiring unit cell ID according to above-mentioned business demand information and current service cell, take the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand；And in the above-mentioned different RAT systems obtained according to acquiring unit each neighbor cell information on load and needed for take the wireless resource information of community, identify that after whether existing in above-mentioned different RAT system and providing the user this business service, network expection load presets the neighbor cell of load thresholding not less than community；If there is network expection load after providing the user this business service to preset the neighbor cell of load thresholding not less than community, from above-mentioned difference RAT systems, a best neighbor cell of signal quality is chosen as target serving district in the network expection load neighbor cell not less than the default load thresholding in community, indicate control unit execution triggering user terminal to be switched to this target serving district afterwards and carry out the operation of this business.

Acquiring unit, with specific reference to the instruction choosing the ability information obtaining user terminal that unit sends, obtains the ability information of user terminal；And the instruction according to the wireless resource information taking community needed for choosing the information on load obtaining each neighbor cell, current service cell in different RAT system that unit sends and meeting business demand, the business demand information reported according to user terminal and the cell ID of current service cell, take the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell in above-mentioned different RAT system and meeting business demand.

Control in another embodiment of device based on above-mentioned load balancing, choose unit specifically according to the priority orders between the RAT system pre-set, the priority of such as 4G is higher than 3G priority, 3G priority is higher than 2G priority, chooses other the highest RAT system of priority as different RAT systems having the ability other RAT system of access from above-mentioned user terminal.

Control in another embodiment of device based on above-mentioned load balancing, choose network expection load after unit is absent from providing the user this business service in above-mentioned different RAT systems and preset the neighbor cell of load thresholding not less than community, according to the priority orders between the RAT system pre-set, other RAT system that next priority takes second place is chosen as different RAT systems having the ability, from above-mentioned user terminal, other RAT system of accessing, instruction acquiring unit performs the cell ID according to business demand information and current service cell, the operation of the wireless resource information of community is taken needed for obtaining the information on load of each neighbor cell, current service cell in different RAT system and meeting business demand.

Control in another embodiment of device based on above-mentioned load balancing, if choosing network expection load after unit is additionally operable to all to be absent from providing the user this business service in other RAT system that above-mentioned user terminal has the ability to access to preset the neighbor cell of load thresholding not less than community, above-mentioned serving BS refusal is indicated to provide this business service for user terminal.

Control based on above-mentioned load balancing, in another embodiment of device, to be additionally operable to user terminal have no ability to access other RAT system if choosing unit, indicate above-mentioned serving BS refusal to provide this business service for user terminal.

In another embodiment based on above-mentioned arbitrary load equalising control device, control unit issues community handoff notification message according to receiving the ID that unit receives to user terminal, and this community handoff notification message includes needing the cell ID of the target serving district being switched to；And to transmission community, base station, target serving district handover request message, this community handover request message includes ID.

Fig. 7 is the structural representation that load balancing of the present invention controls another embodiment of device, as it is shown in fig. 7, receive unit in this embodiment to be additionally operable to receive the ability information of the above-mentioned user terminal that above-mentioned serving BS forwards.

Compared with Fig. 6 embodiment, the load balancing of this embodiment controls device and also includes memory element, for storing the ability information of the above-mentioned user terminal that acquiring unit obtains.

One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer read/write memory medium, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CDs.

It is likely to be achieved in many ways the method for the present invention, system.Such as, can by software, hardware, firmware or software, hardware, firmware any combination realize the method and system of the present invention.For the said sequence of step of described method merely to illustrate, the step of the method for the present invention is not limited to order described in detail above, unless specifically stated otherwise.Additionally, in certain embodiments, can being also record program in the recording medium by the invention process, these programs include the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covers the record medium of the storage program for performing the method according to the invention.

Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principles of the invention and practical application are better described, and makes those of ordinary skill in the art it will be appreciated that the present invention is thus design is suitable to the various embodiments with various amendments of special-purpose.

Claims

1. a Network Load Balance control method, it is characterised in that including:

Described serving BS controls device reporting service to load balancing and controls request message, and described Service control request message includes described service request and the cell ID of described current service cell；

Load balancing controls the device cell ID according to described user terminal identification, described ID, described business demand information and described current service cell, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of described current service cell, same wireless access technology RAT system, different RAT system, the ability information of described user terminal and described business demand, and be chosen for described user terminal user accordingly the target serving district of this business service is provided；

The load balancing control device described user terminal of triggering is switched to described target serving district and carries out this business.

2. method according to claim 1, it is characterized in that, described load balancing controls device according to described user terminal identification, described ID, the cell ID of described business demand information and described current service cell, obtain the information on load of described current service cell, the information on load of neighbor cell under same wireless access technology RAT system, the information on load of neighbor cell under different RAT systems, the wireless resource information taken needed for the ability information of described user terminal and described business demand, and be chosen for described user terminal user accordingly and provide the target serving district of this business service to include:

Cell ID according to described business demand information and described current service cell, takies the wireless resource information of community needed for obtaining the information on load of described current service cell from described serving BS and meet described business demand；

Information on load according to described current service cell and needed for take the wireless resource information of community, after identifying that current service cell provides this business service for described user, whether the network expection load of current service cell exceedes the default load thresholding of described Serving cell；

If the network expection load of current service cell is not less than the default load thresholding of described Serving cell, using described Serving cell as target serving district, described serving BS is indicated to process described service request；

If the network expection load of current service cell exceedes the default load thresholding of described Serving cell, cell ID according to described business demand information and described current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell described in same RAT system and meeting described business demand；

According in same RAT system each neighbor cell information on load and needed for take the wireless resource information of community, after identifying that whether existing for described user in same RAT system provides this business service, network expection load presets the neighbor cell of load thresholding not less than community；

If existing for network expection load after described user provides this business service to preset the neighbor cell of load thresholding not less than community, from same RAT system, network expection load is preset not less than community in the neighbor cell of load thresholding and is chosen a best neighbor cell of signal quality as target serving district, performs described load balancing afterwards and controls device and trigger described user terminal and be switched to described target serving district and carry out the operation of this business.

3. method according to claim 2, it is characterized in that, from same RAT system, a best neighbor cell of signal quality is chosen in the network expection load neighbor cell not less than the default load thresholding in community and include as target serving district: load balancing controls device and indicates described serving BS to measure notice to described user terminal sending system；

Described serving BS receives the cell measurement reporting reported after described user terminal carries out systematic survey and is transmitted to described load balancing control device, and described cell measurement reporting includes the signal intensity of each neighbor cell；

Load balancing controls the device signal intensity according to neighbor cell each in described cell measurement reporting, and the neighbor cell that network expection load is maximum not less than one signal intensity of selection in the neighbor cell of the default load thresholding in community from same RAT system is as target serving district.

4. according to the method in claim 2 or 3, it is characterised in that also include:

If same RAT system being absent from provide network expection load after this business service to preset the neighbor cell of load thresholding not less than community for described user, load balancing controls device and obtains the ability information of described user terminal according to described user terminal identification, and whether user terminal according to the ability information identification of described user terminal has the ability to access other RAT system；

If described user terminal has the ability to access other RAT system, one is chosen as different RAT systems have the ability other RAT system of access from described user terminal, cell ID according to described business demand information and described current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell described in described different RAT system and meeting described business demand；

According in described different RAT systems each neighbor cell information on load and needed for take the wireless resource information of community, after identifying that whether existing for described user in described different RAT system provides this business service, network expection load presets the neighbor cell of load thresholding not less than community；

If existing for network expection load after described user provides this business service to preset the neighbor cell of load thresholding not less than community, from described different RAT systems, network expection load is preset not less than community in the neighbor cell of load thresholding and is chosen a best neighbor cell of signal quality as target serving district, performs described load balancing afterwards and controls device and trigger described user terminal and be switched to described target serving district and carry out the operation of this business.

5. method according to claim 4, it is characterised in that choose having the ability other RAT system of access from described user terminal and include as different RAT systems:

According to the priority orders between the RAT system pre-set, choose other the highest RAT system of priority having the ability other RAT system of access from described user terminal as different RAT systems.

6. method according to claim 5, it is characterised in that also include:

If network expection load presets the neighbor cell of load thresholding not less than community after being absent from described different RAT system providing this business service for described user, load balancing controls device according to the priority orders between the RAT system pre-set, other RAT system that next priority takes second place is chosen as different RAT systems having the ability, from described user terminal, other RAT system of accessing, perform the described cell ID according to described business demand information and described current service cell, the operation of the wireless resource information of community is taken needed for obtaining the information on load of each neighbor cell, current service cell described in described different RAT system and meeting described business demand.

7. method according to claim 5, it is characterized in that, also include: being all absent from other RAT system of accessing if described user terminal is had the ability providing network expection load after this business service to preset the neighbor cell of load thresholding not less than community for described user, load balancing controls device and indicates described serving BS refusal to provide this business service for described user terminal.

8. method according to claim 5, it is characterised in that also include:

If described user terminal has no ability to access other RAT system, load balancing controls device and indicates described serving BS refusal to provide this business service for described user terminal.

9. the method according to claim 1 to 8 any one, it is characterised in that described load balancing controls device and triggers described user terminal and be switched to described target serving district and carry out this business and include:

Described load balancing controls device and issues community handoff notification message according to described ID to described user terminal, and this community handoff notification message includes needing the cell ID of the target serving district being switched to；And to transmission community, base station, described target serving district handover request message, this community handover request message includes described ID；

Carry out community switching flow between described user terminal and base station, described target serving district and carry out community switching；

After described user terminal is switched to described target serving district, again to base station, described target serving district initiating business request.

10. the method according to claim 1 to 9 any one, it is characterised in that also include:

When described user terminal initially adheres to network, to the ability information of described this user terminal of serving base stations report；

Described serving BS controls device to described load balancing and forwards the ability information of described user terminal；

Described load balancing controls device and stores the ability information of described user terminal.

11. a load balancing controls device, it is characterised in that including:

Receiving unit, for receiving the Service control request message of described serving base stations report, described Service control request message includes described service request and the cell ID of described current service cell；Described service request includes the business demand information that described user terminal identification, described ID and described user terminal requests carry out；

Acquiring unit, the cell ID of user terminal identification, described ID, described business demand information and described current service cell described in the Service control request message that receives according to described reception unit, obtains the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of described current service cell, same wireless access technology RAT system, different RAT system, the ability information of described user terminal and described business demand；

Choose unit, the target serving district of this business service is provided for described user terminal user for the wireless resource information that takies needed for the described information on load obtained according to described acquiring unit, the ability information of described user terminal and described business demand；

Control unit, is used for triggering described user terminal and is switched to described target serving district and carries out this business.

12. device according to claim 11, it is characterized in that, described acquiring unit, with specific reference to the cell ID of described business demand information and described current service cell, needed for obtaining the information on load of described current service cell from described serving BS and meet described business demand, take the wireless resource information of community；And according to described choose the information on load obtaining each neighbor cell, current service cell described in same RAT system that unit sends and meet described business demand needed for take the instruction of wireless resource information of community, cell ID according to described business demand information and described current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell described in same RAT system and meeting described business demand；

Described choose unit, the information on load of the described current service cell obtained with specific reference to described acquiring unit and take the wireless resource information of community needed for meeting described business demand, after identifying that current service cell provides this business service for described user, whether the network expection load of current service cell exceedes the default load thresholding of described Serving cell；If the network expection load of current service cell is not less than the default load thresholding of described Serving cell, using described Serving cell as target serving district, described serving BS is indicated to process described service request；If the network expection load of current service cell exceedes the default load thresholding of described Serving cell, described acquiring unit is indicated needed for obtaining the information on load of each neighbor cell, current service cell described in same RAT system and meeting described business demand, to take the wireless resource information of community；And in the same RAT system obtained according to described acquiring unit each neighbor cell information on load and needed for take the wireless resource information of community, after identifying that whether existing for described user in same RAT system provides this business service, network expection load presets the neighbor cell of load thresholding not less than community；If existing for network expection load after described user provides this business service to preset the neighbor cell of load thresholding not less than community, from same RAT system, a best neighbor cell of signal quality is chosen as target serving district in the network expection load neighbor cell not less than the default load thresholding in community, indicate the described control unit described user terminal of triggering to be switched to described target serving district afterwards and carry out this business；

Described control unit, chooses the described user terminal that triggers that unit sends and is switched to described target serving district with specific reference to described and carries out the instruction of this business, triggers described user terminal and is switched to described target serving district and carries out this business.

13. device according to claim 12, it is characterized in that, described choose unit, after being specifically absent from providing this business service for described user in same RAT system, network expection load presets the neighbor cell of load thresholding not less than community, indicate described acquiring unit to obtain the ability information of described user terminal according to described user terminal identification, and whether user terminal described in the ability information identification of the described user terminal obtained according to described acquiring unit has the ability to access other RAT system；If described user terminal has the ability to access other RAT system, choose one having the ability, from described user terminal, other RAT system of accessing as different RAT systems, and indicate described acquiring unit needed for obtaining the information on load of each neighbor cell, current service cell described in described different RAT systems and meeting described business demand, to take the wireless resource information of community；And in the described different RAT systems obtained according to described acquiring unit each neighbor cell information on load and needed for take the wireless resource information of community, after identifying that whether existing for described user in described different RAT system provides this business service, network expection load presets the neighbor cell of load thresholding not less than community；If existing for network expection load after described user provides this business service to preset the neighbor cell of load thresholding not less than community, from described different RAT systems, a best neighbor cell of signal quality is chosen as target serving district in the network expection load neighbor cell not less than the default load thresholding in community, indicate the described control unit execution described user terminal of triggering to be switched to described target serving district afterwards and carry out the operation of this business；

Described acquiring unit, with specific reference to the described instruction choosing the ability information obtaining described user terminal that unit sends, obtains the ability information of described user terminal；And according to described choose the information on load obtaining each neighbor cell, current service cell described in described different RAT systems that unit sends and meet described business demand needed for take the instruction of wireless resource information of community, cell ID according to described business demand information and described current service cell, takies the wireless resource information of community needed for obtaining the information on load of each neighbor cell, current service cell described in described different RAT system and meeting described business demand.

14. device according to claim 13, it is characterized in that, described choose unit, specifically according to the priority orders between the RAT system pre-set, having the ability, from described user terminal, other RAT system of accessing, choose other the highest RAT system of priority as different RAT systems.

15. device according to claim 14, it is characterized in that, described choose unit, after being specifically absent from providing this business service for described user in described different RAT systems, network expection load presets the neighbor cell of load thresholding not less than community, then according to the priority orders between the RAT system pre-set, other RAT system that next priority takes second place is chosen as different RAT systems having the ability, from described user terminal, other RAT system of accessing, described acquiring unit is indicated needed for performing to obtain the information on load of each neighbor cell, current service cell described in described different RAT systems and meeting described business demand, to take the operation of wireless resource information of community afterwards.

16. device according to claim 14, it is characterized in that, described choose unit, if being additionally operable in other RAT system that described user terminal has the ability to access all to be absent from provides network expection load after this business service to preset the neighbor cell of load thresholding not less than community for described user, described serving BS refusal is indicated to provide this business service for described user terminal.

17. device according to claim 14, it is characterised in that described in choose unit, have no ability to access other RAT system if being additionally operable to described user terminal, indicate described serving BS refusal provide this business service for described user terminal.

18. according to the device described in claim 11 to 17 any one, it is characterized in that, described control unit, the described ID received with specific reference to described reception unit issues community handoff notification message to described user terminal, and this community handoff notification message includes needing the cell ID of the target serving district being switched to；And to transmission community, base station, described target serving district handover request message, this community handover request message includes described ID.

19. according to the device described in claim 11 to 18 any one, it is characterised in that described reception unit, be additionally operable to receive the ability information of the described user terminal that described serving BS forwards；

Described device also includes memory element, for storing the ability information of the described user terminal that described acquiring unit obtains.

20. a Network Load Balance controls system, it is characterised in that including:

Serving BS, controls request message for controlling device reporting service to load balancing, and described Service control request message includes described service request and the cell ID of described current service cell；

Load balancing controls device, for the cell ID according to described user terminal identification, described ID, described business demand information and described current service cell, obtain the wireless resource information taken needed for the information on load of neighbor cell under the information on load of neighbor cell under the information on load of described current service cell, same wireless access technology RAT system, different RAT system, the ability information of described user terminal and described business demand, and be chosen for described user terminal user accordingly the target serving district of this business service is provided；And trigger described user terminal and be switched to described target serving district and carry out this business.

21. system according to claim 20, it is characterized in that, described serving BS, is additionally operable to receive described load balancing and controls the refusal that device sends and provide the instruction of this business service for described user terminal, refuse to provide this business service for described user terminal.

22. system according to claim 20, it is characterized in that, described user terminal, is additionally operable to control the community handoff notification message that issues of device receiving described load balancing, and this community handoff notification message includes needing the cell ID of the target serving district being switched to；And and base station, target serving district between carry out community switching flow and carry out community switching；And after being switched to described target serving district, again to base station, described target serving district initiating business request；

Described system also includes base station, target serving district, controls, for receiving described load balancing, the community handover request message that device sends, and this community handover request message includes described ID；And carry out community switching flow with described user terminal and carry out community switching；And receive the service request that described user terminal sends.

23. according to the system described in claim 20 to 22 any one, it is characterised in that described user terminal is additionally operable to when initial attachment network, to the ability information of described this user terminal of serving base stations report；

Described serving BS is additionally operable to control device to described load balancing and forwards the ability information of described user terminal；

Described load balancing controls device and is additionally operable to store the ability information of described user terminal.

24. according to the system described in claim 20 to 23 any one, it is characterised in that described load balancing controls device and is specially the load balancing control device described in claim 11 to 19 any one.