CN103139839A

CN103139839A - Method and system of mobility load balance

Info

Publication number: CN103139839A
Application number: CN201110395969XA
Authority: CN
Inventors: 韩小琴
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2011-12-02
Filing date: 2011-12-02
Publication date: 2013-06-05
Also published as: WO2013078841A1

Abstract

The invention provides a method and a system of mobility load balance. The method comprises the steps of acquiring load coefficient of a service neighborhood managed by a base station and load coefficient of all adjacent neighborhoods of the service neighborhood; judging whether the load coefficient of the service neighborhood is larger than the load coefficient of all the adjacent neighborhoods; judging whether to conduct load balance on the service neighborhood according to the load coefficient of the service neighborhood the load average value if the load coefficient of the service neighborhood is larger than the load coefficient of all the adjacent neighborhoods, wherein the load average value is an average value of the load coefficient of the service neighborhood and the load coefficient of all the adjacent neighborhoods; and conducting neighborhood switching on a part of terminals in the service neighborhood if the service neighborhood needs load balance. The method solves the problems that in relevant art, a load management method is large in realization difficulty and low in efficiency so that network operation and maintenance cost is high. The method reduces load management difficulty, improves load management efficiency of the system, and reduces network operation and maintenance cost.

Description

The method and system of mobility load balance

Technical field

The present invention relates to wireless communication field, in particular to a kind of method and system of mobility load balance.

Background technology

At LTE (Long-Term Evolution, Long Term Evolution) resource in the residential quarter is in limited situation, increase along with number of users and business number, the load of residential quarter also can increase gradually, yet, the increase of cell load can affect the index performance of customer service, if can not reduce timely and effectively the load of residential quarter, when the load of system is increased to the warning line of system, the performance that can cause system sharply variation even causes system crash, and this situation main manifestations is: the KPI alarms such as access success rate, handover success rate; The alarm of descending power load; Alarm etc. is disturbed in the adjacent area.

The effect of load management is exactly the load condition of Real Time Monitoring current service cell and the load condition of obtaining the adjacent area of current service cell, mechanism by load sharing prevents that the individual cells load is too high, simultaneously, if sudden load occurs to be increased suddenly, the load management algorithm can in time promptly reduce cell load by the active means such as toll breakdown, and is stable with maintenance system.

But, traditional load management method is the Real Time Monitoring network performance index, by judge whether the to load modification of relevant parameter of manual analysis network performance index, reaching the purpose of load balancing, yet the load management method that this employing manual type realizes needs the manual analysis network performance index, cause the load management difficulty larger, and efficient is lower, simultaneously, causes the network O﹠M cost higher.

Summary of the invention

The invention provides a kind of method and system of mobility load balance, realize that with the load management method that solves at least in correlation technique difficulty is larger, and efficient is lower, cause the higher problem of network O﹠M cost.

According to an aspect of the present invention, provide a kind of method of mobility load balance, it comprises: the load coefficient that obtains all adjacent areas of the load coefficient of the Serving cell of administering the base station and Serving cell; Whether the load coefficient that judges Serving cell is greater than the load coefficient of all adjacent areas; If the load coefficient of Serving cell is greater than the load coefficient of all adjacent areas, load coefficient and the load coefficient mean value according to Serving cell judges whether Serving cell is carried out load balancing, wherein, load coefficient mean value is the average of load coefficient of all adjacent areas of the load coefficient of Serving cell and Serving cell; If judge, Serving cell is carried out load balancing, the part terminal in Serving cell is carried out the residential quarter and switch.

Preferably, load coefficient and the load coefficient mean value according to Serving cell judges whether that the step of Serving cell being carried out load balancing comprises: the load coefficient of calculation services residential quarter and the difference of load coefficient mean value square; Judge the load coefficient of Serving cell and load coefficient mean value difference square whether greater than predetermined threshold value, if greater than, judge Serving cell carried out load balancing.

Preferably, the step that part terminal in Serving cell is carried out switching the residential quarter comprises: the base station sends the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, the residential quarter handoff parameter of the Serving cell after renewal is used for the part terminal of Serving cell and carries out the judgement that switch the residential quarter; The base station receives the synchronization message that webmaster returns in response to the parameter modification request message; The base station carries out to the part terminal in Serving cell the judgement that switch the residential quarter according to the handoff parameter of the Serving cell after upgrading; When the court verdict indication need to be carried out the residential quarter switching to the part terminal in Serving cell, the part terminal is carried out the residential quarter and switch.

Preferably, the base station step that receives the synchronization message that webmaster returns in response to the parameter modification request message comprises: webmaster sign according to the parameter modification pattern receiving the parameter modification request message after judges the parameter modification pattern that adopts; When sign indication parameter modification pattern is controlled mode, webmaster is waited for the command information that receives input, when parameter modification was carried out in the indication of the command information that receives, webmaster was revised as the residential quarter handoff parameter of the Serving cell of this locality storage the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; When sign indication parameter modification pattern was free schema, webmaster was revised as the residential quarter handoff parameter of the Serving cell of this locality storage the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; After the residential quarter handoff parameter of the Serving cell after the renewal in successfully the residential quarter handoff parameter of the Serving cell of this locality storage being revised as the parameter modification request message, webmaster will be revised result and be carried at and be handed down to the base station in synchronization message.

Preferably, the step that part terminal in Serving cell is carried out switching the residential quarter comprises: the base station sends the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, wherein, the residential quarter handoff parameter of the Serving cell after renewal carries out for the part terminal of Serving cell the judgement that switch the residential quarter; After the base station receives the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message, the residential quarter handoff parameter of the Serving cell after the renewal the parameter modification request message is revised as with the residential quarter handoff parameter of the Serving cell of this locality storage in the base station when parameter modification is carried out in the indication of parameter modification acknowledge message in; Perhaps, the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message in the base station; The base station carries out to the part terminal in Serving cell the judgement that switch the residential quarter according to the handoff parameter of the Serving cell after upgrading; When the court verdict indication need to be carried out the residential quarter switching to the part terminal in Serving cell, the residential quarter switching was carried out to the part terminal in the base station.

Preferably, the base station step that receives the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message comprises: the parameter modification pattern that webmaster adopts according to the sign judgement of parameter modification pattern after receiving the parameter modification request message; When sign indication parameter modification pattern was controlled mode, webmaster was waited for the command information that receives input, and when parameter modification is carried out in the command information indication that receives, webmaster will be used to indicate the parameter modification acknowledge message of carrying out parameter modification and return to the base station; Cancel when carrying out parameter modification in the indication of the command information that receives, webmaster will be used to indicate to be cancelled the parameter modification acknowledge message of carrying out parameter modification and returns to the base station.

Preferably, base station step that the part terminal in Serving cell is carried out switching the residential quarter comprises: the base station judges whether the adjacent area of Serving cell is the residential quarter that the base station is administered; If the residential quarter that the adjacent area is not administered for the base station, modify to the residential quarter handoff parameter with respect to Serving cell in the adjacent area in the base station, opposite end of base station notice administration adjacent area; Whether the Neighboring Cell List that the base station, opposite end checks the adjacent area presence service residential quarter; If the presence service residential quarter, notice webmaster in base station, opposite end is modified to the residential quarter handoff parameter with respect to Serving cell in the adjacent area, and perhaps, modify to the residential quarter handoff parameter with respect to Serving cell in the adjacent area in the base station, opposite end; If the adjacent area is the residential quarter that the base station is administered, notice webmaster in base station carries out the modification of residential quarter handoff parameter to the adjacent area, and perhaps, the modification of residential quarter handoff parameter is carried out in the base station to the adjacent area.

Preferably, part terminal in Serving cell is carried out after the residential quarter switches, and above-mentioned Mobile load balancing method also comprises: the load coefficient of judgement Serving cell on a continuous predetermined cycle and the difference of load coefficient mean value square whether all less than or equal to predetermined threshold value; If all less than or equal to predetermined threshold value, judge the load balancing success in a continuous predetermined cycle on square; If less than or equal to predetermined threshold value, the residential quarter handoff parameter of Serving cell is revised as the residential quarter handoff parameter of the Serving cell before upgrading in continuous predetermined cycle on a square inequality.

According to a further aspect in the invention, provide a kind of system of mobility load balance, it comprises: the base station, and wherein, the base station comprises: acquiring unit is used for obtaining the load coefficient of all adjacent areas of the load coefficient of the Serving cell of administering the base station and Serving cell; Whether the first judging unit, the load coefficient that is used for judging Serving cell be greater than the load coefficient of all adjacent areas; The second judging unit, be used at the load coefficient of judging Serving cell during greater than the load coefficient of all adjacent areas, judge whether Serving cell is carried out load balancing according to load coefficient and the load coefficient mean value of Serving cell, wherein, load coefficient mean value is the average of load coefficient of all adjacent areas of the load coefficient of Serving cell and Serving cell; Load Balance Unit is used for the part terminal in Serving cell being carried out the residential quarter switching judging when Serving cell is carried out load balancing.

Preferably, the second judging unit comprises: computing module, be used for the load coefficient of calculation services residential quarter and load coefficient mean value difference square; The first judge module, be used for judging the load coefficient of Serving cell and load coefficient mean value difference square whether greater than predetermined threshold value, if greater than, judge Serving cell carried out load balancing.

Preferably, Load Balance Unit comprises: the first sending module, be used for sending the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, the residential quarter handoff parameter of the Serving cell after renewal is used for the part terminal of Serving cell and carries out the judgement that switch the residential quarter; Receiver module is used for receiving the synchronization message that webmaster returns in response to the parameter modification request message; The first judging module is used for according to the handoff parameter of the Serving cell after upgrading, the part terminal of Serving cell being carried out the judgement that switch the residential quarter; The first load balancing module is used for the part terminal being carried out the residential quarter switching when the court verdict indication need to be carried out the residential quarter switching to the part terminal of Serving cell.

Preferably, the system of above-mentioned mobility load balance also comprises: webmaster, and wherein, webmaster comprises: receiving element is used for receiving the parameter modification request message; The 3rd judging unit is used for the parameter modification pattern that adopts according to the sign judgement of parameter modification pattern after receiving the parameter modification request message; Processing unit, be used for when sign indication parameter modification pattern is controlled mode, wait for the command information that receives input, when parameter modification is carried out in the indication of the command information that receives, the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; When sign indication parameter modification pattern is free schema, the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; The first transmitting element, after being used for the residential quarter handoff parameter of the Serving cell after the renewal that successfully the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the parameter modification request message, will revising result in response to the parameter modification request message and be carried at and be handed down to the base station in synchronization message.

Preferably, Load Balance Unit: the second sending module, be used for sending the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, wherein, the residential quarter handoff parameter of the Serving cell after renewal carries out for the part terminal of Serving cell the judgement that switch the residential quarter; The first processing module, be used for after the base station receives the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message residential quarter handoff parameter of the Serving cell after the renewal during the residential quarter handoff parameter of the Serving cell of when parameter modification is carried out in the indication of parameter modification acknowledge message, the base station being stored is revised as the parameter modification request message; Perhaps, the residential quarter handoff parameter of the Serving cell of base station storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; The second judging module is used for according to the handoff parameter of the Serving cell after upgrading, the part terminal of Serving cell being carried out the judgement that switch the residential quarter; The second load balancing module is used for the part terminal being carried out the residential quarter switching when the court verdict indication need to be carried out the residential quarter switching to the part terminal of Serving cell.

Preferably, webmaster also comprises: the second receiving element is used for receiving the parameter modification pattern that the parameter modification request message adopts according to the sign judgement of parameter modification pattern afterwards; The second transmitting element, be used for when sign indication parameter modification pattern is controlled mode, wait for the command information that receives input, when parameter modification is carried out in the command information indication that receives, return to the base station with being used to indicate the parameter modification acknowledge message of carrying out parameter modification; Cancel when carrying out parameter modification in the indication of the command information that receives, cancel the parameter modification acknowledge message of carrying out parameter modification and return to the base station being used to indicate.

Preferably, Load Balance Unit comprises: the 3rd judge module is used for judging whether the adjacent area of Serving cell is the residential quarter that the base station is administered; The second processing module, if be used for the residential quarter that the adjacent area is not administered for the base station, modify to the residential quarter handoff parameter with respect to Serving cell in the adjacent area in the base station, opposite end of notice administration adjacent area; If the adjacent area is the residential quarter that the base station is administered, notify webmaster the adjacent area to be carried out the modification of residential quarter handoff parameter, perhaps, directly the modification of residential quarter handoff parameter is carried out in the adjacent area.

Preferably, the base station also comprises: the 4th judging unit, be used for the load coefficient of judgement Serving cell on a continuous predetermined cycle and load coefficient mean value difference square whether all less than or equal to predetermined threshold value, if all less than or equal to predetermined threshold value, judge the load balancing success in a continuous predetermined cycle on square; Wherein, Load Balance Unit also is used for the residential quarter handoff parameter of Serving cell being revised as the residential quarter handoff parameter of the Serving cell before upgrading judging in continuous predetermined cycle on a square inequality during less than or equal to predetermined threshold value.

in the present invention, at the load coefficient of judging Serving cell during greater than the load coefficient of all adjacent areas, when being Serving cell load maximum, judge according to the load coefficient of Serving cell and load coefficient mean value Serving cell is carried out load balancing, wherein, load coefficient mean value is the average of load coefficient of all adjacent areas of the load coefficient of Serving cell and Serving cell, solved the load management method in the correlation technique and realized that difficulty is larger, and efficient is lower, cause the higher problem of network O﹠M cost, thereby reduced the difficulty of load management, improved the efficient that system carries out load management, reduced the network O﹠M cost.

Description of drawings

Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:

Fig. 1 is a kind of preferred structure chart according to the system of the mobility load balance of the embodiment of the present invention;

Fig. 2 is the another kind of preferred structure chart according to the system of the mobility load balance of the embodiment of the present invention;

Fig. 3 is a kind of preferred flow chart according to the method for the mobility load balance of the embodiment of the present invention;

Fig. 4 carries out a kind of preferred flow chart of load balancing judgement according to the base station of the embodiment of the present invention;

Fig. 5 carries out a kind of preferred flow chart of handoff parameter modification according to the webmaster of the embodiment of the present invention;

Fig. 6 carries out according to the base station of the embodiment of the present invention a kind of preferred flow chart that handoff parameter is revised;

Fig. 7 carries out a kind of preferred flow chart of load balancing recruitment evaluation according to the webmaster of the embodiment of the present invention;

Fig. 8 carries out a kind of preferred flow chart of load balancing recruitment evaluation according to the base station of the embodiment of the present invention.

Embodiment

Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.

In following each embodiment, communication can realize by wireless connections or wired connection or its both combination, and the present invention does not do restriction to this.

Embodiment 1

Fig. 1 is a kind of preferred structure chart according to the system of the mobility load balance of the embodiment of the present invention, as shown in Figure 1, the system of this mobility load balance comprises: base station 102, wherein, base station 102 comprises: acquiring unit 1021 is used for obtaining the load coefficient of all adjacent areas of the load coefficient of the Serving cell of administering the base station and Serving cell; The first judging unit 1022 is communicated by letter with acquiring unit 1021, and whether the load coefficient that is used for judging Serving cell is greater than the load coefficient of all adjacent areas; The second judging unit 1023, communicate by letter with the first judging unit 1022, be used at the load coefficient of judging Serving cell during greater than the load coefficient of all adjacent areas, judge whether Serving cell is carried out load balancing according to load coefficient and the load coefficient mean value of Serving cell, wherein, load coefficient mean value is the average of load coefficient of all adjacent areas of the load coefficient of Serving cell and Serving cell; Load Balance Unit 1024 is communicated by letter with the second judging unit 1023, is used for the part terminal in Serving cell being carried out the residential quarter switching judging when Serving cell is carried out load balancing.

in the above-described embodiments, at the load coefficient of judging Serving cell during greater than the load coefficient of all adjacent areas, when being Serving cell load maximum, judge according to the load coefficient of Serving cell and load coefficient mean value Serving cell is carried out load balancing, wherein, load coefficient mean value is the average of load coefficient of all adjacent areas of the load coefficient of Serving cell and Serving cell, solved the load management method in the correlation technique and realized that difficulty is larger, and efficient is lower, cause the higher problem of network O﹠M cost, thereby reduced the difficulty of load management, improved the efficient that system carries out load management, reduced the network O﹠M cost.

Preferably, above-described embodiment can be realized based on the LTE network, and SON (Self Organization NetWork proposed, self-organizing network) concept, be that network parameter can automatically configure and adjust, with the cost of reduction network O﹠M, and load balancing is also one of function of SON, namely can the automatic real-time monitoring network performance index and performance index are analyzed, and automatically complete load balancing.

On the basis of above-described embodiment, the invention provides a kind of the second judging unit 1023, this second judging unit 1023 comprises: computing module 10231, be used for the load coefficient of calculation services residential quarter and load coefficient mean value difference square; The first judge module 10232 is communicated by letter with computing module 10231, be used for judging the load coefficient of Serving cell and load coefficient mean value difference square whether greater than predetermined threshold value, if greater than, judge Serving cell carried out load balancing.In the present embodiment, the difference of the load coefficient of judging Serving cell and load coefficient mean value square greater than predetermined threshold value the time, judge Serving cell carried out load balancing, improved accuracy of the present invention.

On the basis of above-described embodiment, the invention provides a kind of Load Balance Unit 1024, this Load Balance Unit 1024 comprises: the first sending module 10241, be used for sending the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, the residential quarter handoff parameter of the Serving cell after renewal is used for the part terminal of Serving cell and carries out the judgement that switch the residential quarter; Receiver module 10242 is communicated by letter with the first sending module 10241, is used for receiving the synchronization message that webmaster returns in response to the parameter modification request message; Judging module 10243 is communicated by letter with receiver module 10242, is used for according to the handoff parameter of the Serving cell after upgrading, the part terminal of Serving cell being carried out the judgement that switch the residential quarter; Load balancing module 10244 is communicated by letter with judging module 10243, is used for the part terminal being carried out the residential quarter switching when the court verdict indication need to be carried out the residential quarter switching to the part terminal of Serving cell.In the present embodiment, after receiving the synchronization message that webmaster returns in response to the parameter modification request message, according to the residential quarter handoff parameter of the Serving cell after upgrading, the part terminal in Serving cell is carried out the residential quarter and switch, thereby improved accuracy of the present invention.

On the basis of the various embodiments described above, the present invention improves the system of mobility load balance, and this mobility load balance system comprises: webmaster 104, and wherein, webmaster 104 comprises: receiving element 1041 is used for receiving the parameter modification request message; The 3rd judging unit 1042 is communicated by letter with receiving element 1041, is used for the parameter modification pattern that adopts according to the sign judgement of parameter modification pattern after receiving the parameter modification request message; Processing unit 1043, communicate by letter with the 3rd judging unit 1042, be used for when sign indication parameter modification pattern is controlled mode, wait for the command information that receives input, when parameter modification is carried out in the indication of the command information that receives, the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; When sign indication parameter modification pattern is free schema, the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; The first transmitting element 1044, communicate by letter with processing unit 1043, after being used for the residential quarter handoff parameter of the Serving cell after the renewal that successfully the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the parameter modification request message, will revising result in response to the parameter modification request message and be carried at and be handed down to the base station in synchronization message.In the present embodiment, after webmaster receives the parameter modification request message, the residential quarter handoff parameter of the Serving cell after the renewal during the residential quarter handoff parameter of the Serving cell of under different parameters modification pattern, this locality being stored is revised as the parameter modification request message, can realize artificial Attended Operation in the process of residential quarter handoff parameter of the Serving cell after automatically completing the renewal in being revised as the parameter modification request message of residential quarter handoff parameter with the Serving cell of this locality storage, thereby improve use flexibility of the present invention.

On the basis of above-described embodiment, the present invention improves Load Balance Unit 1024, this Load Balance Unit 1024 comprises: the second sending module 10245, be used for sending the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, wherein, the residential quarter handoff parameter of the Serving cell after renewal is used for the part terminal of Serving cell is carried out the judgement that switch the residential quarter; The first processing module 10246, communicate by letter with the second sending module 10245, be used for after the base station receives the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message residential quarter handoff parameter of the Serving cell after the renewal during the residential quarter handoff parameter of the Serving cell of when parameter modification is carried out in the indication of parameter modification acknowledge message, the base station being stored is revised as the parameter modification request message; Perhaps, the residential quarter handoff parameter of the Serving cell of base station storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; The second judging module 10247 is communicated by letter with the first processing module 10246, is used for according to the handoff parameter of the Serving cell after upgrading, the part terminal of Serving cell being carried out the judgement that switch the residential quarter; The second load balancing module 10248 is communicated by letter with the second judging module 10247, is used for the part terminal being carried out the residential quarter switching when the court verdict indication need to be carried out the residential quarter switching to the part terminal of Serving cell.in the present invention, the base station is after receiving the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message, the residential quarter handoff parameter of the Serving cell after the renewal during the residential quarter handoff parameter of the Serving cell of under different parameters modification pattern, this locality being stored is revised as the parameter modification request message, can realize artificial Attended Operation in the process of residential quarter handoff parameter of the Serving cell after automatically completing the renewal in being revised as the parameter modification request message of residential quarter handoff parameter with the Serving cell of this locality storage, thereby improved use flexibility of the present invention.

On the basis of the various embodiments described above, the present invention improves webmaster 104, this webmaster 104 comprises: the second receiving element 1045 is used for receiving the parameter modification pattern that the parameter modification request message adopts according to the sign judgement of parameter modification pattern afterwards; The second transmitting element 1046, communicate by letter with the second receiving element 1045, be used for when sign indication parameter modification pattern is controlled mode, wait for the command information that receives input, when parameter modification is carried out in the command information indication that receives, return to the base station with being used to indicate the parameter modification acknowledge message of carrying out parameter modification; Cancel when carrying out parameter modification in the indication of the command information that receives, cancel the parameter modification acknowledge message of carrying out parameter modification and return to the base station being used to indicate.In the present invention, after receiving the parameter modification request message, under different parameters modification pattern, return to the base station with being used to indicate the parameter modification acknowledge message of carrying out parameter modification, thereby improved use flexibility of the present invention.

On the basis of above-described embodiment, the present invention improves Load Balance Unit 1024, and this Load Balance Unit 1024 comprises: the 3rd judge module 10249 is used for judging whether the adjacent area of Serving cell is the residential quarter that the base station is administered; The second processing module 102410 is communicated by letter with the 3rd judge module 10249, if be used for the residential quarter that the adjacent area is not administered for the base station, modify to the residential quarter handoff parameter with respect to Serving cell in the adjacent area in the base station, opposite end of notice administration adjacent area; If the adjacent area is the residential quarter that the base station is administered, notify webmaster the adjacent area to be carried out the modification of residential quarter handoff parameter, perhaps, directly the modification of residential quarter handoff parameter is carried out in the adjacent area.In the present embodiment, the adjacent area of Serving cell for the station in the adjacent area or stand between during the adjacent area, can realize the adjacent area of Serving cell is carried out the modification of residential quarter handoff parameter, thereby improve use flexibility of the present invention.

On the basis of the various embodiments described above, the present invention improves base station 102, this base station 102 comprises: the 4th judging unit 1025, be used for the load coefficient of judgement Serving cell on a continuous predetermined cycle and load coefficient mean value difference square whether all less than or equal to predetermined threshold value, if all less than or equal to predetermined threshold value, judge the load balancing success in a continuous predetermined cycle on square; Wherein, Load Balance Unit also is used for the residential quarter handoff parameter of Serving cell being revised as the residential quarter handoff parameter of the Serving cell before upgrading judging in continuous predetermined cycle on a square inequality during less than or equal to predetermined threshold value.In the present embodiment, when load balancing is unsuccessful, the residential quarter handoff parameter of Serving cell can be revised as the residential quarter handoff parameter of the Serving cell before upgrading, thereby have improved use flexibility of the present invention.In the present embodiment, complete load balancing, the effect of completing load balancing is assessed, when the poor effect of load balancing, the residential quarter handoff parameter of Serving cell can be revised as the residential quarter handoff parameter of the Serving cell before upgrading, thereby improved accuracy of the present invention, strengthened usability of the present invention.

Embodiment 2

On the basis of Fig. 1-2, the invention provides a kind of method of mobility load balance, as shown in Figure 3, the method for this mobility load balance comprises:

S302: the load coefficient that obtains all adjacent areas of the load coefficient of the Serving cell of administering the base station and Serving cell;

S304: whether the load coefficient that judges Serving cell is greater than the load coefficient of all adjacent areas;

S306: if the load coefficient of Serving cell is greater than the load coefficient of all adjacent areas, load coefficient and the load coefficient mean value according to Serving cell judges whether Serving cell is carried out load balancing, wherein, load coefficient mean value is the average of load coefficient of all adjacent areas of the load coefficient of Serving cell and Serving cell;

S308: if judge, Serving cell is carried out load balancing, the part terminal in Serving cell is carried out the residential quarter and switch.

Preferably, above-described embodiment can be realized based on the LTE network, and the concept of SON proposed, be that network parameter can automatically configure and adjust, to reduce the cost of network O﹠M, and load balancing is also one of function of SON, namely can the automatic real-time monitoring network performance index and performance index are analyzed, and automatically complete load balancing.

On the basis of above-described embodiment, the present invention a kind of method that preferably judges whether Serving cell is carried out mobility load balance according to load coefficient and the load coefficient mean value of Serving cell, the method comprises: the load coefficient of calculation services residential quarter and the difference of load coefficient mean value square; Judge the load coefficient of Serving cell and load coefficient mean value difference square whether greater than predetermined threshold value, if greater than, judge Serving cell carried out load balancing.In the present embodiment, the difference of the load coefficient of judging Serving cell and load coefficient mean value square whether greater than predetermined threshold value the time, judge Serving cell carried out load balancing, improved accuracy of the present invention.

On the basis of above-described embodiment, the invention provides a kind of method of the part terminal in Serving cell being carried out the residential quarter switching, this method that part terminal in Serving cell is carried out switching the residential quarter comprises: the base station sends the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, wherein, the residential quarter handoff parameter of the Serving cell after renewal carries out for the part terminal of Serving cell the judgement that switch the residential quarter; The base station receives the synchronization message that webmaster returns in response to the parameter modification request message; The base station carries out to the part terminal in Serving cell the judgement that switch the residential quarter according to the handoff parameter of the Serving cell after upgrading; When the court verdict indication need to be carried out the residential quarter switching to the part terminal in Serving cell, the part terminal is carried out the residential quarter and switch.In the present embodiment, after receiving the synchronization message that webmaster returns in response to the parameter modification request message, according to the residential quarter handoff parameter of the Serving cell after upgrading, the part terminal in Serving cell is carried out the residential quarter and switch, thereby improved accuracy of the present invention.

On the basis of the various embodiments described above, the present invention improves the method for mobility load balance, and the method for this mobility load balance comprises: the parameter modification pattern that webmaster adopts according to the sign judgement of parameter modification pattern after receiving the parameter modification request message; When sign indication parameter modification pattern is controlled mode, webmaster is waited for the command information that receives input, when parameter modification was carried out in the indication of the command information that receives, webmaster was revised as the residential quarter handoff parameter of the Serving cell of this locality storage the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; When sign indication parameter modification pattern was free schema, webmaster was revised as the residential quarter handoff parameter of the Serving cell of this locality storage the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message; After the residential quarter handoff parameter of the Serving cell after the renewal in successfully the residential quarter handoff parameter of the Serving cell of this locality storage being revised as the parameter modification request message, webmaster will be revised result and be carried at and be handed down to the base station in synchronization message.In the present embodiment, after webmaster receives the parameter modification request message, the residential quarter handoff parameter of the Serving cell after the renewal during the residential quarter handoff parameter of the Serving cell of under different parameters modification pattern, this locality being stored is revised as the parameter modification request message, can realize artificial Attended Operation in the process of residential quarter handoff parameter of the Serving cell after automatically completing the renewal in being revised as the parameter modification request message of residential quarter handoff parameter with the Serving cell of this locality storage, thereby improve use flexibility of the present invention.

On the basis of above-described embodiment, the present invention improves the method that the part terminal in Serving cell carries out switching the residential quarter, this method that part terminal in Serving cell is carried out switching the residential quarter comprises: the base station sends the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the Serving cell after renewal and the sign of parameter modification pattern in the parameter modification request message, wherein, the residential quarter handoff parameter of the Serving cell after renewal carries out for the part terminal of Serving cell the judgement that switch the residential quarter; After the base station receives the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message, the residential quarter handoff parameter of the Serving cell after the renewal the parameter modification request message is revised as with the residential quarter handoff parameter of the Serving cell of this locality storage in the base station when parameter modification is carried out in the indication of parameter modification acknowledge message in; Perhaps, the residential quarter handoff parameter of the Serving cell of this locality storage is revised as the residential quarter handoff parameter of the Serving cell after renewal in the parameter modification request message in the base station; The base station carries out to the part terminal in Serving cell the judgement that switch the residential quarter according to the handoff parameter of the Serving cell after upgrading; When the court verdict indication need to be carried out the residential quarter switching to the part terminal in Serving cell, the residential quarter switching was carried out to the part terminal in the base station.in the present invention, the base station is after receiving the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message, the residential quarter handoff parameter of the Serving cell after the renewal during the residential quarter handoff parameter of the Serving cell of under different parameters modification pattern, this locality being stored is revised as the parameter modification request message, can realize artificial Attended Operation in the process of residential quarter handoff parameter of the Serving cell after automatically completing the renewal in being revised as the parameter modification request message of residential quarter handoff parameter with the Serving cell of this locality storage, thereby improved use flexibility of the present invention.

On the basis of the various embodiments described above, the present invention improves the method that the base station receives the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message, and the method that this base station receives the parameter modification acknowledge message that webmaster returns in response to the parameter modification request message comprises: the parameter modification pattern that webmaster adopts according to the sign judgement of parameter modification pattern after receiving the parameter modification request message; When sign indication parameter modification pattern was controlled mode, webmaster was waited for the command information that receives input, and when parameter modification is carried out in the command information indication that receives, webmaster will be used to indicate the parameter modification acknowledge message of carrying out parameter modification and return to the base station; Cancel when carrying out parameter modification in the indication of the command information that receives, webmaster will be used to indicate to be cancelled the parameter modification acknowledge message of carrying out parameter modification and returns to the base station.In the present invention, after receiving the parameter modification request message, under different parameters modification pattern, return to the base station with being used to indicate the parameter modification acknowledge message of carrying out parameter modification, thereby improved use flexibility of the present invention.

On the basis of above-described embodiment, the present invention improves the method that the base station carries out switching the residential quarter to the part terminal in Serving cell, and the method that this base station carries out switching the residential quarter to the part terminal in Serving cell comprises: the base station judges whether the adjacent area of Serving cell is the residential quarter that the base station is administered; If the residential quarter that the adjacent area is not administered for the base station, modify to the residential quarter handoff parameter with respect to Serving cell in the adjacent area in the base station, opposite end of base station notice administration adjacent area; Whether the Neighboring Cell List that the base station, opposite end checks the adjacent area presence service residential quarter; If the presence service residential quarter, notice webmaster in base station, opposite end is modified to the residential quarter handoff parameter with respect to Serving cell in the adjacent area, and perhaps, modify to the residential quarter handoff parameter with respect to Serving cell in the adjacent area in the base station, opposite end; If the adjacent area is the residential quarter that the base station is administered, notice webmaster in base station carries out the modification of residential quarter handoff parameter to the adjacent area, and perhaps, the modification of residential quarter handoff parameter is carried out in the base station to the adjacent area.

On the basis of the various embodiments described above, the present invention improves the method for mobility load balance, and the method for this mobility load balance also comprises: the load coefficient of judgement Serving cell on a continuous predetermined cycle and the difference of load coefficient mean value square whether all less than or equal to predetermined threshold value; If all less than or equal to predetermined threshold value, judge the load balancing success in a continuous predetermined cycle on square; If less than or equal to predetermined threshold value, the residential quarter handoff parameter of Serving cell is revised as the residential quarter handoff parameter of the Serving cell before upgrading in continuous predetermined cycle on a square inequality.In the present embodiment, when load balancing is unsuccessful, the residential quarter handoff parameter of Serving cell can be revised as the residential quarter handoff parameter of the Serving cell before upgrading, thereby have improved use flexibility of the present invention.In the present embodiment, complete load balancing, the effect of completing load balancing is assessed, when the poor effect of load balancing, the residential quarter handoff parameter of Serving cell can be revised as the residential quarter handoff parameter of the Serving cell before upgrading, thereby improved accuracy of the present invention, strengthened usability of the present invention.

Embodiment 3

On the basis of above-mentioned each preferred embodiment, the invention provides a kind of method that the load balancing judgement is carried out in preferred base station, as shown in Figure 4, the method that the load balancing judgement is carried out in this base station comprises:

S402: the load balancing cycle arrives, and the base station obtains the load coefficient of all of its neighbor residential quarter of Serving cell and Serving cell;

Preferably, the method for the load coefficient of the abutting subdistrict of base station calculation services residential quarter and Serving cell is: LB_D={3-[(DLT+1) ^(DLT-DLNG)+ DLG] } * DlBandwidth, wherein, DLT is the total PRB of cell downlink (Physical Resource Block) utilization rate, DLG is that GBR (Guaranteed Bit Rate) business is in the descending PRB utilance that takies, DLNG is that the NGBR business is in the descending PRB utilance that takies, DLBandwidth is the cell downlink system bandwidth, when the cell load equalization coefficient is larger, the resource that shows system spare is more, cell load is lower, the computational methods of cell uplink load coefficient are the computational methods of above-mentioned cell downlink load coefficient in like manner, repeat no more herein.

S404: when the load balancing cycle arrives, the base station judges whether the moving load equalizer switch is opened, and namely whether starts the moving load equilibrium, if so, carries out step S406, if not, go to step S402 and wait for the next load balancing cycle;

S406: the base station reports the load coefficient of all adjacent areas of Serving cell and Serving cell to show to webmaster;

S408: the base station judges whether webmaster carries out load balancing to Serving cell, if so, goes to Fig. 7, if not, goes to step S410;

S410: all of its neighbor residential quarter load coefficient between any two of calculation services residential quarter, base station and Serving cell poor, find out a pair of residential quarter of the difference maximum of load coefficient;

S412: then the mean value of the load coefficient of all of its neighbor residential quarter of calculation services residential quarter, base station and Serving cell, judge whether Serving cell is the highest residential quarter of loading, if, carry out step S414, if not, go to step S402 and wait for the next load balancing cycle;

S414: the load coefficient of calculation services residential quarter, base station and the difference of load coefficient mean value square whether greater than the threshold value that sets in advance, wherein, load coefficient mean value refers to the mean value of load coefficient of all adjacent areas of Serving cell and Serving cell, if, carry out step S416, if not, go to step S402 and wait for the next load balancing cycle;

S416: the load balancing mark is stamped with Serving cell in the base station, simultaneously, with the abutting subdistrict of Serving cell, Serving cell, the handoff parameter that needs to revise, need the modification value of the handoff parameter revised to report webmaster, and to carry operational mode be controlled or freely (also claiming uncontrolled).

On the basis of above-described embodiment, the present invention also provides a kind of webmaster to carry out the method that handoff parameter is revised, and as shown in Figure 5, the method that this webmaster carries out the handoff parameter modification comprises:

S502: webmaster after receiving the message that the base station reports is monitored information reporting SON;

S504: determine whether controlled mode, if, carry out step S506, if not, go to step S508;

S506: judge whether the user confirms, if step S508 is carried out in user's confirmation, if the user cancels, flow process finishes;

S508: webmaster is revised the handoff parameter (cell individual offsets) of Serving cell, will revise result after being successfully modified and synchronously be handed down to network element, and result is reported to the SON monitoring;

S510: after parameter modification message is received in the base station, the CEU (Cell Edge UE, Cell Edge User) in the reprovision residential quarter;

S512: the base station judges whether the adjacent area of Serving cell is adjacent area in the station, if adjacent area in the station, reorganize the information reporting webmaster, if adjacent area between the station, by X2 mouth notice base station, opposite end, the base station, opposite end judges the adjacent area that whether has this base station to send in the adjacent area of Serving cell, if have, report webmaster, if do not have, do not process;

S514: after webmaster receives the message that the base station reports, revise the handoff parameter of the adjacent area of Serving cell, after being successfully modified, message is handed down to the base station and result is reported to the SON monitoring.

On the basis of above-described embodiment, the present invention also provides a kind of base station to carry out the method that handoff parameter is revised, and as shown in Figure 6, the method that the handoff parameter modification is carried out in this base station comprises:

S602: base station reporting message;

S604: the base station determines whether controlled mode, if, carry out step S606, if not, go to step S610;

S606: the base station judges whether webmaster has issued acknowledge message, if carry out step S608, if not flow process finishes;

S608: after the webmaster acknowledge message is received in the base station, judge whether the user confirms to continue, if the user confirms to continue, go to step S610, if the user cancels, flow process finishes;

S610: if free schema, the handoff parameter (cell individual offsets) of Serving cell is revised in the base station, and the CEU in the reprovision Serving cell, result is reported webmaster, if controlled mode, whether what judge that webmaster issues is continuation, if continue, the handoff parameter of Serving cell and the CEU in the reprovision residential quarter are revised in the base station, and result is reported webmaster;

S612: the base station judges whether the adjacent area of Serving cell is adjacent area in the station, if adjacent area in the station, directly revise the handoff parameter of the adjacent area of Serving cell, if adjacent area between the station, notify the base station, opposite end to revise the handoff parameter of the adjacent area of Serving cell by the X2 mouth, be successfully modified rear base station with the information reporting webmaster.

On the basis of above-mentioned each preferred embodiment, the invention provides a kind of method that preferred webmaster carries out the load balancing recruitment evaluation, as shown in Figure 7, the method that this webmaster carries out the load balancing recruitment evaluation comprises:

S702: the base station judges whether load balancing effect judgement counter Tjudge equals pre-configured value T, if not, carry out step S704, if so, turn step S706;

S704: the base station adds 1 with load balancing effect judgement counter Tjudge, then, whether judge the squared difference of the load coefficient of Serving cell and load coefficient average less than predefined threshold value, if, cell load equalization is recovered counter T_rec and add 1, go to step S402

S706: judge whether the load balancing effect is good, judge that whether cell load equalization recovers counter T_rec greater than T/2, if greater than, this load balancing is completed, load balancing is effective, if be not more than, think that this load balancing effect is bad, and tissue effect's evaluate message reports webmaster;

S708: webmaster reception evaluate message;

S710: webmaster analytical effect evaluate message, if load balancing is effective, carry out step S712, if the load balancing effect is bad, go to step S714;

S712: empty balanced mark and associated counter and result is presented in the SON monitoring;

S714: webmaster rollback handoff parameter also is handed down to network element with result, then, result is presented in the SON monitoring.

On the basis of above-mentioned each preferred embodiment, the invention provides a kind of method that the load balancing recruitment evaluation is carried out in preferred base station, as shown in Figure 8, the method that the load balancing recruitment evaluation is carried out in this base station comprises:

S802: the base station judges whether load balancing effect judgement counter Tjudge equals pre-configured value T, if not, carry out step S804, if so, turn step S806;

S804: the base station adds 1 with load balancing effect judgement counter Tjudge, then, judge that whether the squared difference of the load coefficient of Serving cell and load coefficient average is less than predefined threshold value, if, cell load equalization is recovered counter T_rec and add 1, go to step S402;

S806: judge whether the load balancing effect is good, judge that whether cell load equalization recovers counter T_rec greater than T/2, if greater than, this load balancing is completed, load balancing is effective, if be not more than, think that this load balancing effect is bad, and tissue effect's evaluate message reports webmaster;

S808: webmaster reception evaluate message;

S810: webmaster analytical effect evaluate message, if load balancing is effective, carry out step S812, if the load balancing effect is bad, go to step S814;

S812: empty balanced mark and associated counter and result is presented in the SON monitoring;

S814: base station rollback handoff parameter also reports webmaster with result;

S816: webmaster synchronously upgrades corresponding handoff parameter and result is presented in the SON monitoring.

obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.

The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims

1. the method for a mobility load balance, is characterized in that, comprising:

Obtain the load coefficient of all adjacent areas of the load coefficient of the Serving cell of administering the base station and described Serving cell;

Whether the load coefficient that judges described Serving cell is greater than the load coefficient of all adjacent areas;

If the load coefficient of described Serving cell is greater than the load coefficient of all adjacent areas, load coefficient and the load coefficient mean value according to described Serving cell judges whether described Serving cell is carried out load balancing, wherein, the average of the load coefficient of all adjacent areas of the described load coefficient mean value load coefficient that is described Serving cell and described Serving cell;

If judge, described Serving cell is carried out load balancing, the part terminal in described Serving cell is carried out the residential quarter and switch.

2. method according to claim 1, is characterized in that, judges whether that according to load coefficient and the load coefficient mean value of described Serving cell the step of described Serving cell being carried out load balancing comprises:

Calculate the load coefficient of described Serving cell and described load coefficient mean value difference square;

Judge the load coefficient of described Serving cell and described load coefficient mean value difference square whether greater than predetermined threshold value, if greater than, judge described Serving cell carried out load balancing.

3. method according to claim 1, is characterized in that, the step that the part terminal in described Serving cell is carried out switching the residential quarter comprises:

Described base station sends the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the described Serving cell after renewal and the sign of parameter modification pattern in described parameter modification request message, the residential quarter handoff parameter of the described Serving cell after described renewal is used for the part terminal of described Serving cell is carried out the judgement that switch the residential quarter;

Described base station receives the synchronization message that described webmaster returns in response to described parameter modification request message;

The handoff parameter of the described Serving cell of described base station after according to described renewal carries out to the part terminal in described Serving cell the judgement that switch the residential quarter;

When the court verdict indication need to be carried out the residential quarter switching to the part terminal in described Serving cell, the residential quarter switching was carried out to described part terminal in described base station.

4. method according to claim 3, is characterized in that, the described webmaster of described base station reception comprises in response to the step of the synchronization message that described parameter modification request message returns:

The parameter modification pattern that described webmaster adopts according to the sign judgement of parameter modification pattern after receiving described parameter modification request message;

When described sign indication parameter modification pattern is controlled mode, described webmaster is waited for the command information that receives input, when parameter modification was carried out in the described command information indication that receives, described webmaster was revised as the residential quarter handoff parameter of the described Serving cell of this locality storage the residential quarter handoff parameter of the described Serving cell after renewal in described parameter modification request message; When described sign indication parameter modification pattern was free schema, described webmaster was revised as the residential quarter handoff parameter of the described Serving cell of this locality storage the residential quarter handoff parameter of the described Serving cell after renewal in described parameter modification request message;

After the residential quarter handoff parameter of the described Serving cell after the renewal in successfully the residential quarter handoff parameter of the described Serving cell of this locality storage being revised as described parameter modification request message, described webmaster will be revised result and be carried in described synchronization message and be handed down to the base station.

5. method according to claim 1, is characterized in that, the step that the part terminal in described Serving cell is carried out switching the residential quarter comprises:

After described base station receives the parameter modification acknowledge message that described webmaster returns in response to described parameter modification request message, the residential quarter handoff parameter of the described Serving cell after the renewal described parameter modification request message is revised as with the residential quarter handoff parameter of the described Serving cell of this locality storage in described base station when parameter modification is carried out in described parameter modification acknowledge message indication in; Perhaps, the residential quarter handoff parameter of the described Serving cell of this locality storage is revised as the residential quarter handoff parameter of the described Serving cell after renewal in described parameter modification request message in described base station;

6. method according to claim 5, is characterized in that, the step that described base station receives the parameter modification acknowledge message that described webmaster returns in response to described parameter modification request message comprises:

When described sign indication parameter modification pattern is controlled mode, described webmaster is waited for the command information that receives input, when parameter modification is carried out in the described command information indication that receives, described webmaster will be used to indicate the described parameter modification acknowledge message of carrying out parameter modification and return to described base station; Cancel when carrying out parameter modification in the described command information indication that receives, described webmaster will be used to indicate to be cancelled the described parameter modification acknowledge message of carrying out parameter modification and returns to described base station.

7. the described method of any one according to claim 1 to 6, is characterized in that, the step that described base station carries out switching the residential quarter to the part terminal in described Serving cell comprises:

Described base station judges whether the adjacent area of described Serving cell is the residential quarter that described base station is administered;

If the residential quarter that described adjacent area is not administered for described base station, modify to the residential quarter handoff parameter with respect to described Serving cell in described adjacent area in the base station, opposite end of the described adjacent area of notice administration, described base station; Base station, described opposite end checks whether the Neighboring Cell List of described adjacent area exists described Serving cell; If there is described Serving cell, base station, described opposite end notifies described webmaster that the residential quarter handoff parameter with respect to described Serving cell in described adjacent area is modified, perhaps, modify to the residential quarter handoff parameter with respect to described Serving cell in described adjacent area in base station, described opposite end;

If described adjacent area is the residential quarter that described base station is administered, described base station notifies described webmaster described adjacent area to be carried out the modification of residential quarter handoff parameter, and perhaps, the modification of residential quarter handoff parameter is carried out in described base station to described adjacent area.

8. method according to claim 1, is characterized in that, after the part terminal in described Serving cell is carried out the residential quarter switching, also comprises:

Judgement the difference of the load coefficient of continuous predetermined the above Serving cell of cycle and described load coefficient mean value square whether all less than or equal to predetermined threshold value;

If all less than or equal to described predetermined threshold value, judge the load balancing success at continuous predetermined the above square of cycle;

If less than or equal to described predetermined threshold value, the residential quarter handoff parameter of described Serving cell is revised as the residential quarter handoff parameter of the described Serving cell before upgrading in continuous predetermined cycle the above square inequality.

9. the system of a mobility load balance, is characterized in that, comprising: the base station, and wherein, described base station comprises:

Acquiring unit is used for obtaining the load coefficient of all adjacent areas of the load coefficient of the Serving cell of administering the base station and described Serving cell;

Whether the first judging unit, the load coefficient that is used for judging described Serving cell be greater than the load coefficient of all adjacent areas;

The second judging unit, be used at the load coefficient of judging described Serving cell during greater than the load coefficient of all adjacent areas, judge whether described Serving cell is carried out load balancing according to load coefficient and the load coefficient mean value of described Serving cell, wherein, the average of the load coefficient of all adjacent areas of the described load coefficient mean value load coefficient that is described Serving cell and described Serving cell;

Load Balance Unit is used for the part terminal in described Serving cell being carried out the residential quarter switching judging when described Serving cell is carried out load balancing.

10. system according to claim 9, is characterized in that, described the second judging unit comprises:

Computing module, be used for calculating the load coefficient of described Serving cell and described load coefficient mean value difference square;

The first judge module, be used for judging the load coefficient of described Serving cell and described load coefficient mean value difference square whether greater than predetermined threshold value, if greater than, judge described Serving cell carried out load balancing.

11. system according to claim 9 is characterized in that, institute's Load Balance Unit comprises:

The first sending module, be used for sending the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the described Serving cell after renewal and the sign of parameter modification pattern in described parameter modification request message, the residential quarter handoff parameter of the described Serving cell after described renewal is used for the part terminal of described Serving cell is carried out the judgement that switch the residential quarter;

Receiver module is used for receiving the synchronization message that described webmaster returns in response to described parameter modification request message;

The first judging module is used for according to the handoff parameter of the described Serving cell after described renewal, the part terminal of described Serving cell being carried out the judgement that switch the residential quarter;

The first load balancing module is used for described part terminal being carried out the residential quarter switching when the court verdict indication need to be carried out the residential quarter switching to the part terminal of described Serving cell.

12. system according to claim 11 is characterized in that, also comprises: webmaster, wherein, described webmaster comprises:

Receiving element is used for receiving described parameter modification request message;

The 3rd judging unit is used for the parameter modification pattern that adopts according to the sign judgement of parameter modification pattern after receiving described parameter modification request message;

Processing unit, be used for when described sign indication parameter modification pattern is controlled mode, wait for the command information that receives input, when parameter modification is carried out in the described command information indication that receives, the residential quarter handoff parameter of the described Serving cell of this locality storage is revised as the residential quarter handoff parameter of the described Serving cell after renewal in described parameter modification request message; When described sign indication parameter modification pattern is free schema, the residential quarter handoff parameter of the described Serving cell of this locality storage is revised as the residential quarter handoff parameter of the described Serving cell after renewal in described parameter modification request message;

The first transmitting element, after being used for the residential quarter handoff parameter of the described Serving cell after the renewal that successfully the residential quarter handoff parameter of the described Serving cell of this locality storage is revised as described parameter modification request message, will revising result in response to described parameter modification request message and be carried at and be handed down to described base station in described synchronization message.

13. system according to claim 9 is characterized in that, described Load Balance Unit comprises:

The second sending module, be used for sending the parameter modification request message to webmaster, wherein, carry the residential quarter handoff parameter of the described Serving cell after renewal and the sign of parameter modification pattern in described parameter modification request message, wherein, the residential quarter handoff parameter of the described Serving cell after described renewal is used for the part terminal of described Serving cell is carried out the judgement that switch the residential quarter;

The first processing module, be used for after described base station receives the parameter modification acknowledge message that described webmaster returns in response to described parameter modification request message the residential quarter handoff parameter of the described Serving cell after the renewal during the residential quarter handoff parameter of the described Serving cell of when parameter modification is carried out in described parameter modification acknowledge message indication, described base station being stored is revised as described parameter modification request message; Perhaps, the residential quarter handoff parameter of the described Serving cell of described base station storage is revised as the residential quarter handoff parameter of the described Serving cell after renewal in described parameter modification request message;

The second judging module is used for according to the handoff parameter of the described Serving cell after described renewal, the part terminal of described Serving cell being carried out the judgement that switch the residential quarter;

The second load balancing module is used for described part terminal being carried out the residential quarter switching when the court verdict indication need to be carried out the residential quarter switching to the part terminal of described Serving cell.

14. system according to claim 13 is characterized in that, described webmaster also comprises:

The second receiving element is used for receiving the parameter modification pattern that described parameter modification request message adopts according to the sign judgement of parameter modification pattern afterwards;

The second transmitting element, be used for when described sign indication parameter modification pattern is controlled mode, wait for the command information that receives input, when parameter modification is carried out in the described command information indication that receives, return to described base station with being used to indicate the described parameter modification acknowledge message of carrying out parameter modification; Cancel when carrying out parameter modification in the described command information indication that receives, cancel the described parameter modification acknowledge message of carrying out parameter modification and return to described base station being used to indicate.

15. any one described system according to claim 9 to 14 is characterized in that, described Load Balance Unit comprises:

The 3rd judge module is used for judging whether the adjacent area of described Serving cell is the residential quarter that described base station is administered;

The second processing module, if be used for the residential quarter that described adjacent area is not administered for described base station, modify to the residential quarter handoff parameter with respect to described Serving cell in described adjacent area in the base station, opposite end of the described adjacent area of notice administration; If described adjacent area is the residential quarter that described base station is administered, notify described webmaster described adjacent area to be carried out the modification of residential quarter handoff parameter, perhaps, directly the modification of residential quarter handoff parameter is carried out in described adjacent area.

16. system according to claim 9 is characterized in that, described base station also comprises:

The 4th judging unit, be used for judgement the difference of the load coefficient of continuous predetermined the above Serving cell of cycle and described load coefficient mean value square whether all less than or equal to predetermined threshold value, if all less than or equal to predetermined threshold value, judge the load balancing success at continuous predetermined the above square of cycle;

Wherein, described Load Balance Unit also is used for the residential quarter handoff parameter of described Serving cell being revised as the residential quarter handoff parameter of the described Serving cell before upgrading judging continuous when predetermined the cycle, the above square inequality was less than or equal to predetermined threshold value.