CN102137443B

CN102137443B - Method and device for balancing load across neighboring cells

Info

Publication number: CN102137443B
Application number: CN201010502676.2A
Authority: CN
Inventors: 陈钧
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2010-10-11
Filing date: 2010-10-11
Publication date: 2014-04-30
Anticipated expiration: 2030-10-11
Also published as: CN102137443A

Abstract

The embodiment of the invention discloses a method and a device for balancing a load across neighboring cells, and relates to the field of communication. By the method and the device, inter-cell load balancing can be performed when a light-load cell is absent in a neighboring cell of a heavy-load cell, so that the network capacity is improved. The method disclosed by the invention comprises the following steps of: when a base station controller or a base station learns that a first cell is the heavy-load cell, and a second cell adjacent to the first cell is not the light-load cell, switching partial users of at least one second cell in the second cells to at least one third cell adjacent to the at least one second cell, so that the at least one second cell becomes the light-load cell; and switching a first predetermined number of users in the first cell to the at least one second cell. The embodiment of the invention is mainly used in the inter-cell load balancing process.

Description

Method and apparatus across neighboring cell load equilibrium

Technical field

The present invention relates to the communications field, relate in particular to a kind of method and apparatus across neighboring cell load equilibrium.

Background technology

Minizone load balancing is one of basic function of cell mobile communication systems.Because the user distribution of real network is generally uneven, and that the selection of site is difficult to accomplish with user distribution is completely corresponding, and the community user that therefore certainly will cause is many, load is heavy, some community users are few, load gently.For improving the capacity of whole net, can be by the technology such as switchings, under the prerequisite of assurance user's service quality, the certain customers of heavy load community are transferred to light load community, the load balancing of this Here it is minizone.

It is the basic fundamental that realizes minizone load balancing that load balancing is switched.It is all that the certain customers of heavy load community are switched in the light load community adjacent with this heavy load community that current load balancing is switched.That is to say, only have the load when Serving cell to be more than or equal to heavy load thresholding, and the cell load being adjacent is while being less than or equal to light load thresholding, just can initiate load balancing and switch, the certain customers of heavy load community are switched to light load community, otherwise do not carry out load balancing.

State in realization in the process of load balancing, inventor finds that in prior art, at least there are the following problems: while there is not light load community in the neighbor cell of heavy load community, can not carry out the load balancing of minizone, heavy load community, cannot improve network capacity.

Summary of the invention

Embodiments of the invention provide a kind of method and apparatus across neighboring cell load equilibrium, while can there is not light load community in the neighbor cell of heavy load community, also can carry out the load balancing of minizone, thereby improve network capacity.

For achieving the above object, embodiments of the invention provide a kind of method across neighboring cell load equilibrium, comprising:

When base station controller, knowing the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community;

The user of the first predetermined quantity in described the first community is switched to described at least one second community;

Described heavy load community is greater than the community of the first predetermined load thresholding for loading;

Described light load community is less than the community of the second predetermined load thresholding for loading.

The embodiment of the present invention also provides the another kind of method across neighboring cell load equilibrium, comprising:

The base station of at least one the second community knows that the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community;

The base station of the first community detects described at least one second community and becomes behind light load community, and the user of the first predetermined quantity in described the first community is switched to described at least one second community;

Except said method, the embodiment of the present invention also provides a kind of base station controller, comprising:

The first processing unit, for working as, know that the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community;

The second processing unit, for being switched to the user of described first community the first predetermined quantity described at least one second community;

Light load community is less than the community of the second predetermined load thresholding for loading.

The embodiment of the present invention provides a kind of system across neighboring cell load equilibrium, comprising:

The base station of at least one the second community, for knowing that the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community;

The base station of the first community, for becoming behind light load community described at least one second community being detected, is switched to described at least one second community by the user of the first predetermined quantity in described the first community;

In the technical scheme that the embodiment of the present invention provides, when base station controller or base station, know the first community and be greater than the heavy load community of the first predetermined load thresholding for load, and when second community adjacent with described the first community is not all less than the light load community of predetermined load thresholding for load, by the certain customers of at least one the second community in described the second community being switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community; And the certain customers in the first community are switched to the second community that becomes light load community, to realize the load balancing of minizone, thereby improve network capacity.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is a kind of method flow diagram across neighboring cell load equilibrium in the embodiment of the present invention 1;

Fig. 2 is the another kind of method flow diagram across neighboring cell load equilibrium in the embodiment of the present invention 1;

Fig. 3 is a kind of method flow diagram across neighboring cell load equilibrium in the embodiment of the present invention 2;

Fig. 4 is the path schematic diagram that in the embodiment of the present invention 2, base station controller carries out cell load equalization;

Fig. 5 is the another kind of method flow diagram across neighboring cell load equilibrium in the embodiment of the present invention 2;

Fig. 6 is the path schematic diagram that in the embodiment of the present invention 2, cell load equalization is carried out in base station;

Fig. 7 is the structural representation of a kind of base station controller in the embodiment of the present invention 3;

Fig. 8 is the structural representation of another kind of base station controller in the embodiment of the present invention 3;

Fig. 9 is the structural representation of another kind of base station controller in the embodiment of the present invention 3;

Figure 10 is the structural representation of another kind of base station controller in the embodiment of the present invention 3;

Figure 11 is the structural representation of another kind of base station controller in the embodiment of the present invention 3;

Figure 12 is the structural representation of a kind of system across neighboring cell load equilibrium in the embodiment of the present invention 4;

Figure 13 is the structural representation of the another kind of system across neighboring cell load equilibrium in the embodiment of the present invention 4.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

Embodiment 1

The embodiment of the present invention provides a kind of method across neighboring cell load equilibrium, if carry out load balancing by base station controller, as shown in Figure 1, the method comprises:

101, when base station controller, knowing the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community.

Wherein, described heavy load community is greater than the community of the first predetermined load thresholding for loading; Described light load community is less than the community of described the second predetermined load thresholding for loading.

Described the first predetermined load thresholding, the second predetermined load thresholding are an empirical value, when the load of community is greater than this first preload thresholding, this community is heavy load community, and when the load of community is less than this second predetermined load thresholding, this community is light load community; This first predetermined load thresholding, the second predetermined load thresholding can specifically be arranged according to the actual conditions of network by user, and the embodiment of the present invention does not limit this.

Wherein, the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community, can adopt but be not limited to following methods, the method comprises:

In detection and described at least one second adjacent tri-community, community, whether there is light load community;

If detect with described at least one second adjacent tri-community, community in there is not light load community, by with described at least one second adjacent tri-community, community in the certain customers of at least one San community be switched at least one light load community adjacent with described San community so that at least one San community adjacent with described at least one second community becomes light load community; The certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community;

If detect with described at least one second adjacent tri-community, community in there is at least one light load community, the certain customers of described at least one the second community are switched to described at least one second adjacent tri-community, community at least one light load community so that described at least one second community becomes light load community.

Wherein, described at least one second community is the minimum community of loading in the second community adjacent with described the first community, described at least one San community for described the second adjacent tri-communities, community in the minimum community of loading.

Before base station controller is switched at least one San community adjacent with described at least one second community by the certain customers of at least one the second community in described the second community, described base station controller can be determined described at least one second community and described at least one San community according to the position relationship information of the information on load of network Zhong Ge community and described each community and described heavy load community, is specially:

First, described base station controller reports the position relationship information between Ge community according to network Zhong Ge community, determine with described heavy load community (as, the first community) the second adjacent community, and according to network Zhong Ge community, report the information on load of Ge community, from described the second definite community, choose the less or minimum community of load as described at least one second community; Secondly, described base station controller is determined and described at least one definite second adjacent tri-community, community according to the position relationship information between each community, and according to network Zhong Ge community, report the information on load of Ge community, from described definite tri-communities, choose the less or minimum community of load as described at least one San community.

If described at least one San community is not light load community, need further according to the information on load of the position relationship information He Ge community between network Zhong Ge community, determine adjacent with described at least one San community and be the community of light load, to the certain customers of described at least one San community are switched to this light load community, make described at least one San community become light load community.

102, the user of the first predetermined quantity in described the first community is switched to described at least one second community.

In the embodiment of the present invention, when base station controller, know the first community and for loading, be greater than the heavy load community of the first predetermined load thresholding, and when second community adjacent with described the first community is not all less than the light load community of predetermined load thresholding for load, by the certain customers of at least one the second community in described the second community being switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community; And the certain customers in the first community are switched to the second community that becomes light load community, to realize the load balancing of minizone, thereby improve network capacity.

If carry out load balancing by base station, as shown in Figure 2, the method comprises:

201, the base station of at least one the second community knows that the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community.

Wherein, the base station of at least one the second community is switched at least one San community adjacent with described at least one second community by the certain customers of at least one the second community in described the second community, so that described at least one second community becomes light load community, can adopt but be not limited to following methods, the method comprises:

In the base station detection of at least one the second community and described at least one second adjacent tri-community, community, whether there is light load community;

Wherein, described at least one second community is the less or minimum community of loading in the second community adjacent with described the first community, described at least one San community for described the second adjacent tri-communities, community in the less or minimum community of loading.

In step 201, the base station of at least one the second community knows that the first community is that heavy load community is specifically as follows: the information on load of the first community that the base station of at least one the second community sends according to the base station being adjacent knows that the first community is heavy load community; Or the base station of at least one the second community receives the load balancing request that the base station of the first community sends, know that the first community is heavy load community.The base station of at least one the second community knows that second community adjacent with described the first community be not all for light load community is specifically as follows: the base station of at least one the second community receive the base station of the first community that send with information the first neighbor cell, community, know that second community adjacent with described the first community is not all light load community; Here it should be noted that, in flat wireless access network, there is no concentrated base station controller, between each base station and adjacent base station, there is logical links to communicate, transfer instruction or notice mutually, the load that can base station be covered to the neighbor cell, load Ji Yugai community of Xia community by notice sends to adjacent base station.

Before the base station when at least one the second community is switched at least one San community adjacent with described at least one second community by the certain customers of at least one the second community in described the second community, described at least one second community and described at least one San community can be determined according to the position relationship information of the information on load of network Zhong Ge community and described each community and described heavy load community in the base station of described the first community, are specially:

When initiating load balancing by the first community, the method comprises: the information on load of the second community and the position relationship information of described the second community and the first community that by the base station of the first community, according to the base station being adjacent, are sent, determine at least one second community adjacent with described the first community and that load minimum, and further to the base station corresponding with described at least one the second community, send load balancing request, so that base station corresponding to described the second community sends the information on load of tri-communities and the position relationship information of Gai tri-communities and described at least one the second community according to the base station being adjacent, determine at least one San community adjacent with described at least one second community and that load minimum, if described at least one San community is not light load community, the base station server of described at least one San community is searched adjacent with described at least one San community and is the community of light load, to the certain customers of described at least one San community are switched to this light load community, making this is not that described at least one San community of light load becomes light load community, thereby the certain customers that make described at least one the second community are switched to described at least one San community, make described at least one second community become light load community, if described at least one San community is light load community, the certain customers of described at least one the second community are switched to described at least one San community, make described at least one second community become light load community.

When load balancing is initiated in the community by adjacent with the first community, the method comprises: when the base station of second community adjacent with the first community, knowing the first cell load is heavy load, and detect while there is not light load community in the second community adjacent with described the first community, according to its record self information on load and with the information on load of described the second adjacent tri-communities, community, judgement is by being switched to the certain customers of self behind at least one the San community being adjacent, whether can carry described heavy load and switch the user that, reach the object of the load that reduces described heavy load community, if can, the base station of described the second community is initiatively to being base station transmission load balancing request corresponding to the first community, thereby the certain customers of the first community are switched to described at least one second community, realize the equilibrium of minizone load.

202, the base station of the first community detects described at least one second community and becomes behind light load community, and the user of the first predetermined quantity in described the first community is switched to described at least one second community.

In the embodiment of the present invention, when base station, know the first community and for loading, be greater than the heavy load community of the first predetermined load thresholding, and when second community adjacent with described the first community is not all less than the light load community of predetermined load thresholding for load, by notifying the base station of the second community that the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community; And the certain customers in described the first community are switched to the second community that becomes light load community, to realize the load balancing of minizone, thereby improve network capacity.

Embodiment 2

The embodiment of the present invention provides a kind of method across neighboring cell load equilibrium, if carry out load balancing by base station controller, as shown in Figure 3, the method comprises:

301, when base station controller, knowing the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community.

Step 301 is similar to step 101, and identical content does not repeat them here.For convenient, understand, below the example by concrete is described.

For example, when coordinating the load balancing of minizone by base station controller, take two layer access nets as example, two layer access nets comprise base station and base station controller, all by base station, the mode by cycle and time reports base station controller to the load of all communities, by the unified load balancing of coordinating between base station of base station controller; As shown in Figure 4, suppose that the first community A is heavy load community, in the second community adjacent with this first community A, do not have light load community, community A ' is the minimum community of loading in this second community, so Jiang Gai community A ' is as described at least one second community; In tri-communities, there is light load community A " and A ' " in the adjacent of Yu Gai community A ', but the load of community A " load be less than community A ' ", therefore using community A " as described at least one San community; Based on foregoing description, base station controller is switched at least one San community adjacent with described at least one second community by the certain customers of at least one the second community in described the second community, so that described at least one second community becomes light load community, comprises:

In detection and the adjacent of described the first community A ' tri-communities, whether there is light load community; Detect and in described San community, have at least one light load community A ", the certain customers of described community A ' are switched to described A, and " community, so that described A ' community becomes light load community.

302, the user of the first predetermined quantity in described the first community is switched to described at least one second community.

As shown in Figure 4, the user of the first predetermined quantity in described community A is switched in described A ' community.It should be noted that, for guaranteeing to be switched to the user's of neighbor cell signal quality, when user Cong Yige community is switched to another community (Target cell), can first detect the signal quality of Target cell; If detect the signal quality of target neighbor cell, be greater than predetermined quality thresholding, user be switched to Target cell, otherwise can select user not to be switched to Target cell.

Wherein, the number of users that described the first predetermined quantity can switch away according to described at least one second community adjacent with described the first community is determined, principle is: can not make because of the switching of described heavy load community described at least one second community become heavy load community, concrete quantity, the embodiment of the present invention does not limit this, when implementing the embodiment of the present invention, according to actual conditions, determine.

In order to ensure the equilibrium of minizone load, alternatively, after execution step 302, can further perform step 303, and subsequent step.

Whether the load that 303, judges described the first community is greater than the 3rd predetermined load thresholding; If the load of described the first community is greater than described the 3rd predetermined load thresholding, show that the load of described the first community is still heavier, as long as there is user to access, probably become heavy load community, perform step 304; If the load of described the first community is less than or equal to described the 3rd predetermined load thresholding, show that load balancing completes.

Wherein, described the 3rd predetermined load thresholding is an empirical value, its value is slightly less than the first threshold value, and be greater than the second threshold value, when the load of the first community after load balancing is greater than the 3rd predetermined load thresholding, the load that shows described the first community is still heavier, as long as there is user to access, probably becomes heavy load community user; If the load of described the first community is less than or equal to described the 3rd predetermined load thresholding, show that load balancing completes; The 3rd predetermined load thresholding can specifically be arranged according to actual conditions by user, and the embodiment of the present invention does not limit this.

304, base station controller by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

Wherein, the described certain customers by described another the second community be switched to adjacent tri-communities, described another second community at least one light load community, so that described another second community becomes light load community, can adopt with the following method, comprising:

In detection and adjacent tri-communities, described another second community, whether there is light load community;

If detect with adjacent tri-communities, described another second community in there is not light load community, by with adjacent tri-communities, described another second community in the certain customers of at least one San community be switched at least one light load community adjacent with described San community so that at least one adjacent San community of described and described another second community becomes light load community; The certain customers of described another the second community are switched at least one described adjacent with another second community San community, so that described another second community becomes light load community.

If detect with adjacent tri-communities, described another second community in there is at least one light load community, the certain customers of described another the second community are switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

For example, as shown in Figure 4, suppose that community B ' is for and load minimum second community adjacent with described community A except the A ' of community, therefore using described community B ' as another the second community; And in adjacent with described community B ' tri-communities, there is light load community A ' " and B ", but the load of community B " load be less than community A ' ", therefore using described community B " as with adjacent tri-communities, described another second community in there is at least one light load community; base station controller by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community; so that described another second community becomes light load community, comprising:

Detect in adjacent with described community B ' tri-communities and whether have light load community; Detect and in described San community, have at least one light load community B ", the certain customers of described community B ' are switched to described B, and " community, so that described B ' community becomes light load community.

305, the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community.

As shown in Figure 4, the user of the second predetermined quantity in described the first community A is switched to except in described B '.

In the embodiment of the present invention, after execution of step 305, can also perform step 303, further guarantee the load balancing of minizone, the embodiment of the present invention will be described no longer one by one.

If carry out load balancing by base station, as shown in Figure 5, the method comprises:

401, the base station of at least one the second community knows that the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community.

Step 401 is similar to step 201, and identical content does not repeat them here.For convenient, understand, below the example by concrete is described.

For example, when load balancing by coordination minizone, base station, take flat Access Network as example, in flat Access Network, central controlled base station controller is not carried out in community, between each base station and adjacent base station, there is logical links to communicate, can mutually send instruction or notice; In flat network topology, the load of own community can be notified with cycle or event mode in the base station of each community to the base station of neighbor cell.As shown in Figure 6, suppose that the first community A is heavy load community, in the second community B adjacent with this first community A and D, there is not light load community, but the load of community B is less than the load of community D, selecting community B is described at least one second community, with the adjacent tri-community C of described the second community B be light load community; And tri-community Es adjacent with described community D are not still light load community, the community F adjacent with Gai tri-community E is light load community.

When cell load equalization is initiated in the base station with the first community, the base station to described the second community sends load balancing request, to make base station corresponding at least one the second community in described the second community that the certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, make described at least one second community become light load community, specifically comprise:

For providing the base station of service, community A determines that the second community is community B, and send load balancing request to the base station of proposing service for described community B, the described described second community B of being carries the base station of service and determines and load minimum tri-community Cs adjacent with described the second community B according to described load balancing request, and judge whether described San community C is light load community, if described San community C is light load community, the certain customers of described the second community B are switched to described San community C, make described the second community B become light load community.

When cell load equalization is initiated in the base station of the second community, the base station of described the second community is switched at least one San community adjacent with described at least one second community by the certain customers of at least one the second community in described the second community, so that described at least one second community becomes light load community, specifically comprise:

The base station that is assumed to be this second community B and provides service is determined the certain customers of the second community B is switched to and is adjacent after tri-community C, can carry described heavy load and switch the user that, reach the object of the load that reduces described heavy load community, for this second community B provides the base station of service, the certain customers of the second community B are switched to San community C, and to provide the base station of service to send load balancing request for the first community A, for heavy load community A provides the base station of service according to this load balancing request, the user of the first predetermined quantity is switched in the B of this second community.

402, the base station of the first community detects described at least one second community and becomes behind light load community, and the user of the first predetermined quantity in described the first community is switched to described at least one second community.

As shown in Figure 6, the user of the first predetermined quantity in described community A is switched in described B community.

It should be noted that, for guaranteeing to be switched to the user's of neighbor cell signal quality, when user Cong Yige community is switched to another community (Target cell), can first detect the signal quality of Target cell; If detect the signal quality of target neighbor cell, be greater than predetermined quality thresholding, user be switched to Target cell, otherwise can select user not to be switched to Target cell.

In order to ensure the equilibrium of minizone load, after execution step 402, optional, can further perform step 403, and subsequent step.

403, the base station of the first community judges whether the load of described the first community is greater than the 3rd predetermined load thresholding; If the load of described the first community is greater than described the 3rd predetermined load thresholding, show that the load of described the first community is still heavier, as long as there is user to access, probably become heavy load community, perform step 404; If the load of described the first community is less than or equal to described the 3rd predetermined load thresholding, show that load balancing completes.

Wherein, described the 3rd predetermined load thresholding is an empirical value, its value is slightly less than the first threshold value, user judges the load of balanced Hou community, when the load of community is greater than the 3rd predetermined load thresholding, the load that shows described the first community is still heavier, as long as there is user to access, probably becomes heavy load community user; If the load of described the first community is less than or equal to described the 3rd predetermined load thresholding, show that load balancing completes; The 3rd predetermined load thresholding can specifically be arranged according to actual conditions by user, and the embodiment of the present invention does not limit this.

404, the base station of another the second community by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

In the base station detection of another the second community and adjacent tri-communities, described another second community, whether there is light load community.

For example, as shown in Figure 6, suppose that community D is for adjacent with described community A except the B of community, and the second minimum community of loading, therefore using described community D as another the second community; And in adjacent with described community D tri-communities, there is a community E that load is minimum, and E is not light load community, F is the adjacent light load communities of Yu tri-community E; When initiating cell load equalization with heavy load community, base station controller by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community, so that described another second community becomes light load community, comprising:

For providing the base station of service, community A determines that described at least one second community is community D, and send load balancing request to the base station of proposing service for described community D, described is the base station that described the second community D proposes service, according to described load balancing request, determine and load minimum tri-community Es adjacent with described the second community D, and judge whether described San community E is light load community, if described San community E is not light load community, to the base station of proposing service for described community E, send load balancing request; The base station of proposing service for described community E is according to described load balancing request, determine community F adjacent with described San community E and that load minimum, and determine that described community F is light load community, the certain customers of described San community E are switched to described community F, make described San community E become light load community, and to the base station of proposing service for described the second community D, send load balancing and reply, inform that the base station and the adjacent tri-community E of described the second community D that for described the second community D, propose service have become light load community; For replying according to this load balancing the base station that described the second community D proposes service, the certain customers of described the second community D are switched to described San community E, make described the second community D become light load community, and reply to the base station transmission load balancing of proposing service for described the first community A, inform the base station of proposing service for described the first community A, the second community D adjacent with described the first community A become light load community.

405, the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community.

As shown in Figure 6, the user of the second predetermined quantity in described the first community A is switched in described the second community D.

In the embodiment of the present invention, after execution of step 405, can also perform step 403, further guarantee the load balancing of minizone, the embodiment of the present invention will be described no longer one by one.

Wherein, the number of users that described the second predetermined quantity can switch away according to another second community adjacent with described heavy load community is determined, principle is: can not make because of the switching of described heavy load community described another second community become heavy load community, concrete quantity, the embodiment of the present invention does not limit this, when implementing the embodiment of the present invention, according to actual conditions, determine.

The embodiment of the present invention it should be noted that, above-described embodiment is once the user of the predetermined quantity of heavy load community is switched in a light load community being adjacent, when the load of heavy load community is heavier, can once the user of the predetermined quantity of this heavy load community be switched in a plurality of light load communities that are adjacent, thereby realize, fast heavy load community is become to the object of light load community, but the embodiment of the present invention does not limit this, for can specifically arranging as the case may be.

In the embodiment of the present invention, when base station, know the first community and for loading, be greater than the heavy load community of the first predetermined load thresholding, and when second community adjacent with described the first community is not all less than the light load community of predetermined load thresholding for load, by the certain customers of at least one the second community in described the second community being switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community; Thereby the certain customers in described the first community are switched to the second community that becomes light load community, to realize the load balancing of minizone, thereby improve network capacity.

And, in the embodiment of the present invention, when being determined at adjacent community, described heavy load community by after certain customers are switched away, while reducing to light load community, just the user of the predetermined quantity in this heavy load community can be switched in this community, while having avoided not reducing to light load community due to this community, receive after the user and new access user of predetermined quantity of switching of this heavy load community, Shi Gai community becomes heavy load community, and need to carry out load balancing.Thereby avoided the user in community frequently to switch, improved resource utilization.

Further, when the user of tentation data in heavy load community is switched to behind the community being adjacent, when the load of finding this heavy load community is still very heavy, the certain customers of heavy load community can also be switched in the another one community adjacent with this heavy load community, can better realize the load balancing of minizone thus, further improve resource utilization.

Further, when the load of heavy load community heavy especially, while being badly in need of the load of this heavy load community of fast reducing, can, by the certain customers in heavy load community are switched to two or more adjacent adjacent light load communities simultaneously, reach the object of the load of this heavy load community of fast reducing.

Embodiment 3

The embodiment of the present invention provides a kind of base station controller; As shown in Figure 7, this base station controller comprises: the first processing unit 51 and the second processing unit 52.

The first processing unit 51, for working as, know that the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community.Wherein, described heavy load community is greater than the community of the first predetermined load thresholding for loading; Described light load community is less than the community of described the second predetermined load thresholding for loading; Described the first predetermined load thresholding, the second predetermined load thresholding are an empirical value, its user detects the load of community, when the load of community is greater than this first preload thresholding, this community is heavy load community, when the load of community is less than this second predetermined load thresholding, this community is light load community; This first predetermined load thresholding, the second predetermined load thresholding can specifically be arranged according to the actual conditions of network by user, and the embodiment of the present invention does not limit this.Wherein, described at least one second community is the minimum community of loading in the second community adjacent with described the first community, described at least one San community for described the second adjacent tri-communities, community in the minimum community of loading.

Processing unit 52, for being switched to the user of described first community the first predetermined quantity described at least one second community.

Further, as shown in Figure 8, described the first processing unit 51 comprises: first detection module 511, the first processing module 512 and the second processing module 513.

First detection module 511, for detection of with described at least one second adjacent tri-community, community in whether there is light load community.

The first processing module 512, while there is not light load community for detecting at described first detection module 511 with described at least one second adjacent tri-community, community, by with described at least one second adjacent tri-community, community in the certain customers of at least one San community be switched at least one light load community adjacent with described San community so that at least one San community adjacent with described at least one second community becomes light load community; And the certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community.

The second processing module 513, while there is at least one light load community for detecting at described first detection module 511 with described at least one second adjacent tri-community, community, by the certain customers of described at least one the second community be switched to described at least one second adjacent tri-community, community at least one light load community so that described at least one second community becomes light load community.Described at least one second community is the minimum community of loading in the second community adjacent with described the first community, described at least one San community for described the second adjacent tri-communities, community in the minimum community of loading.

Further, in order to ensure the equilibrium of minizone load, optional, as shown in Figure 9, this base station controller also comprises: the first judging unit 53.

The first judging unit 53, after the user of described first community the first predetermined quantity being switched at the second processing unit to described at least one second community, judges whether the load of described the first community is greater than the 3rd predetermined load thresholding; Wherein, described the 3rd predetermined load thresholding is an empirical value, its value is slightly less than the first threshold value, and be greater than the second threshold value, when the load of the first community after load balancing is greater than the 3rd predetermined load thresholding, the load that shows described the first community is still heavier, as long as there is user to access, probably becomes heavy load community user; If the load of described the first community is less than or equal to described the 3rd predetermined load thresholding, show that load balancing completes; The 3rd predetermined load thresholding can specifically be arranged according to actual conditions by user, and the embodiment of the present invention does not limit this.

Described the second processing unit 52 is also for when described the first judging unit 53 judges that the load of described the first community is greater than described the 3rd predetermined load thresholding, the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community, to carry out further load balancing.

Further, as shown in figure 10, this base station controller also comprises: the 3rd processing unit 54.

The 3rd processing unit 54, for before described the second processing unit 52 is switched to another second community except described at least one second community by the user of described first community the second predetermined quantity, by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

Further, as shown in figure 11, described the 3rd processing unit 54 comprises: the second detection module 541, the 3rd processing module 542 and the 4th processing module 543.

The second detection module 541, for detection of with adjacent tri-communities, described another second community in whether there is light load community.

The 3rd processing module 542, while there is not light load community for detecting at described the second detection module 541 with adjacent tri-communities, described another second community, by with adjacent tri-communities, described another second community in the certain customers of at least one San community be switched at least one light load community adjacent with described San community so that at least one adjacent San community of described and described another second community becomes light load community; And the certain customers of described another the second community are switched at least one described adjacent with another second community San community, so that described another second community becomes light load community.

The 4th processing module 543, while there is at least one light load community for detecting at described the second detection module 541 with adjacent tri-communities, described another second community, by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

It should be noted that, the corresponding specific descriptions of each functional unit in the embodiment of the present invention, the corresponding description in can reference example 1 to embodiment 3, the embodiment of the present invention will repeat no more.

And, in the embodiment of the present invention, when being determined at adjacent community, described heavy load community by after certain customers are switched away, while reducing to light load community, just the user of the predetermined quantity in this heavy load community can be switched in this community, while having avoided not reducing to light load community due to this community, receive after the user and new access user of predetermined quantity of switching of this heavy load community, Shi Gai community becomes heavy load community, and needs the execution of load balancing.Thereby avoided the user in community frequently to switch, improved resource utilization.

Further, when the user of tentation data in heavy load community is switched to behind the community being adjacent, when the load of finding this heavy load community is still very heavy, can the user of the second predetermined quantity in this heavy load community be switched in the another one community adjacent with this heavy load community again, there is this can better realize the load balancing of minizone, further improve resource utilization.

Further, when the load of heavy load community heavy especially, while being badly in need of the load of this heavy load community of fast reducing, can two and two load balancings that above load balancing path implement community falls of choice for use, reach the object of the load of this heavy load community of fast reducing.

Embodiment 4

The embodiment of the present invention provides a kind of system across neighboring cell load equilibrium, and as shown in figure 12, this system comprises: the base station 61 of at least one the second community and the base station 62 of the first community.

The base station 61 of at least one the second community, for knowing that the first community is heavy load community, and when second community adjacent with described the first community is all not light load community, the certain customers of described at least one the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community.

The base station 62 of the first community, for becoming behind light load community described at least one second community being detected, is switched to described at least one second community by the user of the first predetermined quantity in described the first community.

Wherein, described at least one second community is the minimum community of loading in the second community adjacent with described the first community.Described at least one San community for described the second adjacent tri-communities, community in the minimum community of loading.Described heavy load community is greater than the community of the first predetermined load thresholding for loading; Light load community is less than the community of the second predetermined load thresholding for loading.

Further, the base station 62 of described the first community also for, after the base station of the first community is switched to the user of the first predetermined quantity in described the first community described at least one second community, judge whether the load of described the first community is greater than the 3rd predetermined load thresholding; If the load of described the first community is greater than described the 3rd predetermined load thresholding, the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community.Wherein, described the 3rd predetermined load thresholding is an empirical value, its value is slightly less than the first threshold value, and be greater than the second threshold value, when the load of the first community after load balancing is greater than the 3rd predetermined load thresholding, the load that shows described the first community is still heavier, as long as there is user to access, probably becomes heavy load community user; If the load of described the first community is less than or equal to described the 3rd predetermined load thresholding, show that load balancing completes; The 3rd predetermined load thresholding can specifically be arranged according to actual conditions by user, and the embodiment of the present invention does not limit this.

Further, as shown in figure 13, this system also comprises: the base station 63 of another the second community.

The base station 63 of another the second community, for before the base station 62 of described the first community is switched to another second community except described at least one second community by the user of described first community the second predetermined quantity, by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

In the embodiment of the present invention, when base station, know the first community and for loading, be greater than the heavy load community of the first predetermined load thresholding, and when second community adjacent with described the first community is not all less than the light load community of predetermined load thresholding for load, by the certain customers of at least one the second community in described the second community being switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community; And the certain customers in the first community are switched to the second community that becomes light load community, to realize the load balancing of minizone, thereby improve network capacity.

Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.

The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.

Claims

1. across a method for neighboring cell load equilibrium, it is characterized in that, comprising:

If detect with described at least one second adjacent tri-community, community in there is not light load community, by with described at least one second adjacent tri-community, community in the certain customers of at least one San community be switched to the light load community adjacent with described at least one San community so that at least one San community adjacent with described at least one second community becomes light load community; And the certain customers of described at least one the second community are switched to at least one adjacent with described at least one second community become light load tri-communities, so that described at least one second community becomes light load community;

2. the method for claim 1, it is characterized in that, the certain customers of at least one the second community in described the second community are switched to at least one San community adjacent with described at least one second community, so that described at least one second community becomes light load community, comprise:

3. method as claimed in claim 1 or 2, is characterized in that, described at least one second community is the minimum community of loading in the second community adjacent with described the first community.

4. method as claimed in claim 1 or 2, is characterized in that, described at least one San community for described the second adjacent tri-communities, community in the minimum community of loading.

5. the method for claim 1, is characterized in that, after the user of the first predetermined quantity in described the first community being switched to described at least one second community, further comprises:

Whether the load that judges described the first community is greater than the 3rd predetermined load thresholding;

If the load of described the first community is greater than described the 3rd predetermined load thresholding, the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community.

6. method as claimed in claim 5, is characterized in that, before the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community, further comprises:

By the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

7. method as claimed in claim 6, it is characterized in that, the described certain customers by described another the second community be switched to adjacent tri-communities, described another second community at least one light load community, so that described another second community becomes light load community, comprising: in detection and adjacent tri-communities, described another second community, whether have light load community;

If detect with adjacent tri-communities, described another second community in there is not light load community, by with adjacent tri-communities, described another second community in the certain customers of at least one San community be switched to the light load community adjacent with described at least one San community so that at least one adjacent San community of described and described another second community becomes light load community; The certain customers of described another the second community are switched in described adjacent with another second community described at least one San community, so that described another second community becomes light load community;

8. across a method for neighboring cell load equilibrium, it is characterized in that, comprising:

9. method as claimed in claim 8, is characterized in that, described at least one second community is the minimum community of loading in the second community adjacent with described the first community.

10. method as claimed in claim 8, is characterized in that, described at least one San community for described the second adjacent tri-communities, community in the minimum community of loading.

11. methods as claimed in claim 8, is characterized in that, after the base station of the first community is switched to the user of the first predetermined quantity in described the first community described at least one second community, further comprise:

12. methods as claimed in claim 11, is characterized in that, before the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community, further comprise:

The base station of described another the second community by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

13. 1 kinds of base station controllers, is characterized in that, comprising:

14. base station controllers as claimed in claim 13, is characterized in that, described the first processing unit comprises:

First detection module, for detection of with described at least one second adjacent tri-community, community in whether there is light load community;

The first processing module, while there is not light load community for detecting at described first detection module with described at least one second adjacent tri-community, community, by with described at least one second adjacent tri-community, community in the certain customers of at least one San community be switched to the light load community adjacent with described at least one San community so that at least one San community adjacent with described at least one second community becomes light load community; And the certain customers of described at least one the second community are switched to at least one adjacent with described at least one second community become light load tri-communities, so that described at least one second community becomes light load community;

The second processing module, while there is at least one light load community for detecting at described first detection module with described at least one second adjacent tri-community, community, by the certain customers of described at least one the second community be switched to described at least one second adjacent tri-community, community at least one light load community so that described at least one second community becomes light load community.

15. base station controllers as claimed in claim 13, is characterized in that, further comprise:

The first judging unit, after the user of described first community the first predetermined quantity being switched at the second processing unit to described at least one second community, judges whether the load of described the first community is greater than the 3rd predetermined load thresholding;

Described the second processing unit also for, when described the first judging unit judges that the load of described the first community is greater than described the 3rd predetermined load thresholding, the user of the second predetermined quantity in described the first community is switched to another second community except described at least one second community.

16. base station controllers as claimed in claim 15, is characterized in that,

The 3rd processing unit, for before described the second processing unit is switched to another second community except described at least one second community by the user of described first community the second predetermined quantity, by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

17. base station controllers as claimed in claim 16, is characterized in that, described the 3rd processing unit comprises:

The second detection module, for detection of with adjacent tri-communities, described another second community in whether there is light load community;

The 3rd processing module, while there is not light load community for detecting at described the second detection module with adjacent tri-communities, described another second community, by with adjacent tri-communities, described another second community in the certain customers of at least one San community be switched at least one light load community adjacent with described at least one San community so that at least one adjacent San community of described and described another second community becomes light load community; And the certain customers of described another the second community are switched in described adjacent with another second community described at least one San community, so that described another second community becomes light load community;

The 4th processing module, while there is at least one light load community for detecting at described the second detection module with adjacent tri-communities, described another second community, by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.

18. 1 kinds of systems across neighboring cell load equilibrium, is characterized in that, comprising:

19. systems as claimed in claim 18, is characterized in that, the base station of described the first community also for,

After the base station of the first community is switched to the user of the first predetermined quantity in described the first community described at least one second community, judge whether the load of described the first community is greater than the 3rd predetermined load thresholding;

20. systems as claimed in claim 19, is characterized in that, also comprise:

The base station of another the second community, for before the base station of described the first community is switched to another second community except described at least one second community by the user of described first community the second predetermined quantity, by the certain customers of described another the second community be switched to adjacent tri-communities, described another second community at least one light load community so that described another second community becomes light load community.