CN102695208A - Business equalization distribution method and apparatus - Google Patents
Business equalization distribution method and apparatus Download PDFInfo
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- CN102695208A CN102695208A CN201110069858XA CN201110069858A CN102695208A CN 102695208 A CN102695208 A CN 102695208A CN 201110069858X A CN201110069858X A CN 201110069858XA CN 201110069858 A CN201110069858 A CN 201110069858A CN 102695208 A CN102695208 A CN 102695208A
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Abstract
The invention provides a business equalization distribution method, comprising: obtaining public parameter configuration of the business when business satisfies default inter-system load balancing conditions. Cells whose load is not more than default inter-system load balancing threshold in neighboring cells covered with together/contained in service cells where the business is located are arranged according to the public parameter configuration. The object cells are selected based on ordering results and the business is received in the object cells. The invention also provides a business equalization distribution apparatus. The method and the apparatus in the invention can prevent imbalance of cell load caused by inconsistent load threshold setup or imbalance distribution of business in different standards caused by switching of business in different standards. The method and the apparatus improve inter-system switching/equalization success rate.
Description
Technical field
The present invention relates to GSM, relate in particular to balanced distribution method of a kind of business and device.
Background technology
GSM (Global System of Mobile communication, global system for mobile communications) network is to use mobile communications network the most widely in the 2G network, has more than 200 countries and regions to surpass 1,000,000,000 GSM user.In order to solve interconnecting, developing in harmony between the different systems, and effectively utilize perfect 2G network to cover for 3G subscription provides seamless business, 3G network has impelled the appearance of load balancing technology for the 2G network provides data service at a high speed.
In the 3G and the 2G network planning, can exist some to have each other respectively and comprise some the 2G standards of Serving cell relation and the sub-district of 3G standard with covering/adjacent area.When the user is in so following time of the network coverage, can only insert/be cut into a sub-district at synchronization UE (User Equipment, subscriber equipment).When UE inserting/when switching; Can fail owing to the load problem of Radio Resource cause obtaining less than enough resources in current area; Therefore need to introduce load balancing mechanism; Professional balanced distribution between the zone that solution 2/3G network is administered jointly, thus power system capacity, reduction cutting off rate etc. can be increased.
In the 2/3G network,, may cause the load of network unbalanced because the 2/3G network is formulated professional balanced distribution method separately.How realizing that professional equilibrium in the 2/3G network distributes, is a problem demanding prompt solution.
Summary of the invention
The technical problem that the present invention will solve provides balanced distribution method of a kind of business and device, so as not to professional unbalanced distribution between the different systems system, switching/balanced success rate between the raising system.
In order to address the above problem, the invention provides the balanced distribution method of a kind of business, comprising:
Professional when satisfying between preset system the load balancing condition; Obtain the common parameter configuration of said business; According to the configuration of said common parameter sorted in the sub-district that load in the adjacent area of the same covering of the Serving cell at said professional place/comprise is not more than balanced overload threshold between preset system; According to ranking results select target sub-district, admit said business at said Target cell.
Further; Said method also can have following characteristics; Said business satisfies that the load balancing condition comprises between system: said Serving cell has the frequency range ability that satisfies the subscriber equipment support with the adjacent area of coverings/inclusion relation and said adjacent area; Each standard system of load balancing, balanced overload threshold in the system of the load of the said business of said Serving cell greater than system under it are carried out in said subscriber equipment support.
Further, said method also can have following characteristics, and said common parameter configuration comprises whether said business preferentially switches to the system of certain standard, and/or whether allows to switch to the system of certain standard.
Further, said method also can have following characteristics, comprises in the said ordered steps, confirms the sequencing between the sub-district between the different systems system according to said common parameter configuration.
Further; Said method also can have following characteristics; Comprise in the said ordered steps: sorted in the intrasystem sub-district of same standard as follows: sort according to cell load, perhaps sort according to one or more factors combine in load, HCS priority, professional prefer attribute, the frequency range priority.
Further; Said method also can have following characteristics; Said common parameter configuration comprises effective network element control information that service is switched, and before the said sorting operation, whether the effective network element that also switches according to said common parameter configuration determination service is radio network controller or base station controller; If just carry out said sorting operation.
Further; Said method also can have following characteristics; If load balancing condition between the discontented pedal system of said business, counterbalanced gate is admitted said business at said Serving cell in limited time in the system of system under said Serving cell is loaded less than said Serving cell; Balanced thresholding in the system of system under said Serving cell is loaded greater than said Serving cell; And less than in the system of system under the said Serving cell during balanced overload threshold; Preferentially belonging to same system with said Serving cell; And support to select a sub-district in adjacent area and the said Serving cell of the same covering of subscriber equipment frequency range ability/comprise, admit.
The present invention also provides a kind of professional equalizing distributor, comprising:
Judging unit is used to judge the professional load balancing condition between preset system that whether satisfies;
Acquiring unit is used for when judgment unit judges is professional when satisfying between preset system the load balancing condition common parameter configuration of obtaining said business;
Sequencing unit is used for according to the configuration of said common parameter being sorted in the sub-district that the adjacent area load of the same covering of the Serving cell at said professional place/comprise is not more than balanced overload threshold between preset system, according to ranking results select target sub-district;
Admit the unit, be used for admitting said business at said Target cell.
Further; Said apparatus also can have following characteristics; Said business satisfies that the load balancing condition comprises between system: said Serving cell has the frequency range ability that satisfies the subscriber equipment support with the adjacent area of coverings/inclusion relation and said adjacent area; Each standard system of load balancing, balanced overload threshold in the system of the load of the said business of said Serving cell greater than system under it are carried out in said subscriber equipment support.
Further, said apparatus also can have following characteristics, and said common parameter configuration comprises whether said business preferentially switches to the system of certain standard, and/or whether allows to switch to the system of certain standard.
Further; Said apparatus also can have following characteristics; Said sequencing unit is to be used for sorting as follows: at first confirm the sequencing between the sub-district between the different systems system according to said common parameter configuration, sorted in the intrasystem sub-district of same standard.
Further; Said apparatus also can have following characteristics; Said sequencing unit is to be used for being sorted in the intrasystem sub-district of same standard as follows: sort according to cell load, perhaps sort according to one or more factors combine in load, HCS priority, professional prefer attribute, the frequency range priority.
Further, said apparatus also can have following characteristics, and said common parameter configuration comprises effective network element control information that service is switched;
Said device also comprises the effective network element judging unit of service switching, and whether the effective network element that is used for switching according to said common parameter configuration determination service is radio network controller or base station controller, if notify said sequencing unit to sort;
Said sequencing unit is to be used to receive when the notice of effective network element judging unit is switched in said service just sort.
Further; Said apparatus also can have following characteristics; Said admittance unit also is used for: load balancing condition when between the professional discontented pedal system of said judgment unit judges; And said Serving cell load less than counterbalanced gate in the system of system under the said Serving cell in limited time, admits said business at said Serving cell; Load balancing condition between the professional discontented pedal system of said judgment unit judges; And said Serving cell load is greater than balanced thresholding in the system of system under the said Serving cell; But less than in the system of system under the said Serving cell during balanced overload threshold; Preferentially belonging to same system, and supporting to select a sub-district in adjacent area and the said Serving cell of the same covering of subscriber equipment frequency range ability/comprise, admitting said business with said Serving cell.
Adopt the method for the invention; Can service access/incision cell load equalization greater than the 2/3G system in balanced overload threshold; And under the situation less than balanced overload threshold between system, the inconsistent cell load that causes of avoiding professional because load threshold setting is unbalanced or owing to professionally switching the unbalanced distribution of business between different systems that brings between different systems.In addition, through balanced overload threshold between system being set, switching/balanced success rate between the raising system.
Description of drawings
Fig. 1 is that professional equilibrium provided by the invention is distributed in the sketch map of using in the 3G network;
Fig. 2 is the flow chart of specific embodiment 1 among the present invention;
Fig. 3 is the flow chart of specific embodiment 2 among the present invention;
Fig. 4 is the flow chart of specific embodiment 3 among the present invention;
Fig. 5 is the professional equalizing distributor block diagram of the present invention.
Embodiment
In the zone of the common administration of 2/3G network; Some business is fit to be carried on 2G cell; And some business is fit to be carried on the 3G sub-district; In order to let the user obtain user's impression preferably and utilization rate of network resource maximization, need, business initial access procedure/handoff procedure formulate different allocation strategies in carrying out to different business types.
The load balancing algorithm can be realized professional equilibrium from high load capacity to the underload sub-district by switching, reorientation and district reselecting.When the Serving cell traffic overload of certain standard of the access/incision 2/3G network coverage, need seek other suitable cell again for access/incision business.Transship once more and cause traffic assignments unreasonable for fear of the cell load of new selection, the balance parameters thresholding of reasonable disposition 2/3G network.
The present invention provides a kind of business balanced distribution method, comprising:
Professional when satisfying between preset system the load balancing condition; Obtain the common parameter configuration of said business; According to the configuration of said common parameter sorted in the sub-district that load in the adjacent area of the same covering of the Serving cell at said professional place/comprise is not more than balanced overload threshold between preset system; According to ranking results select target sub-district, admit said business at said Target cell.
Wherein, Said business satisfies that the load balancing condition comprises between system: said Serving cell has the frequency range ability that satisfies the subscriber equipment support with the adjacent area of coverings/inclusion relation and said adjacent area; Each standard system of load balancing, balanced overload threshold in the system of the load of the said business of said Serving cell greater than system under it are carried out in said subscriber equipment support.Such as; Between the 2G/3G system, carry out equilibrium and said Serving cell when belonging to the 3G system; The load balancing condition comprises between said system: said Serving cell has the frequency range ability that satisfies the subscriber equipment support with the adjacent area of covering/inclusion relation and said adjacent area; Said subscriber equipment is supported the 2/3G system, and balanced overload threshold in the system of the load of the said business of said Serving cell greater than the 3G system is if Serving cell belongs to other system; Such as the 2G system, balanced thresholding in the system of the load of the said business of said Serving cell greater than the 2G system then.
Wherein, the load balancing condition also can comprise between system, in the said adjacent area and said Serving cell do not belong to and have the sub-district of load in the sub-district of same system less than balanced overload threshold between system.
Wherein, said common parameter configuration comprises whether said business preferentially switches to the system of certain standard, and/or whether allows to switch to the system of certain standard.Such as, the professional common parameter of CS is configured to preferentially switch to 2G, does not preferentially switch to 3G.Concrete common parameter configuration can be set as required, and the present invention does not limit this.
Wherein, comprise in the said ordered steps, confirm the sequencing between the sub-district between the different systems system according to said common parameter configuration.Such as, the professional common parameter of CS is configured to preferentially switch to 2G, and when preferentially not switching to 3G, when Serving cell was the 3G sub-district, the minizone clooating sequence was: 2G system cell, 3G system cell.Can set as required the method for the ordering of the sub-district between the different systems system according to the common parameter configuration, the present invention does not limit this.
Wherein, Comprise in the said ordered steps; Sorted in the intrasystem sub-district of same standard as follows: sort according to cell load, perhaps sort according to one or more factors combine in load, HCS priority, professional prefer attribute, the frequency range priority.
Wherein, Said common parameter configuration comprises effective network element control information that service is switched, and before the said sorting operation, whether the effective network element that also switches according to said common parameter configuration determination service is radio network controller or base station controller; If just carry out said sorting operation.
Wherein, said method also comprises: when the load balancing condition was asked between the discontented pedal system of said business, counterbalanced gate was admitted said business at said Serving cell in limited time in the system of system under said Serving cell is loaded less than said Serving cell; Balanced thresholding in the system of system under said Serving cell is loaded greater than said Serving cell; And less than in the system of system under the said Serving cell during balanced overload threshold; Preferentially belonging to same system with said Serving cell; And support to select a sub-district in adjacent area and the said Serving cell of the same covering of subscriber equipment frequency range ability/comprise, admit.
Balanced overload threshold in balanced thresholding, the system in the said system, balanced overload threshold can be set as required between system.Wherein, the balanced thresholding of different system can be the same or different between the balanced overload threshold.From 2G system balanced overload threshold between the system of 3G system equalization, with from the 3G system between the system of 2G system equalization balanced overload threshold can be identical also can be inequality.
Business wherein comprises: CS (Circuit Switch, circuit switching) business, PS (Packet Switch, packet switching) real time business, PS non-real-time service.The 2/3G cell load can pass through RNC (Radio Network Controller; Radio network controller) and the internal interface message between the BSC (Base Station Controller, base station controller) is obtained, can be through the Iur-g interface between RNC and the BSC, also can carry with the road through the Iu/Iur mouth.The 2G cell load comprises: CS sign indicating number resources occupation rate, PS sign indicating number resources occupation rate etc.According to the channel type of traffic assignments, 3G system internal loading is: one of R4CS sign indicating number resources occupation rate, R4PS sign indicating number resources occupation rate, HS/D sign indicating number resources occupation rate, HS/U sign indicating number resources occupation rate, and transfer resource occupancy.Concrete, if R4CS is professional, then during this service access, only need judgement R4CS sign indicating number resources occupation rate; If when the traffic assignments that inserts arrives up HS-DSCH, descending DCH channel, then judge HS/D sign indicating number resources occupation rate.
Below with the equilibrium between the 2G/3G system, and Serving cell to belong to the 3G system be that example is described further the present invention.
When service access/incision 3G system corresponding district; If this cell load preferentially switches to the 2G system greater than balanced overload threshold and business in the 3G system; Then need be balanced to the 2G system corresponding district that comprises Serving cell with covering/adjacent area; Before being balanced to the 2G system, need judge the load of 2G cell, the 2G cell of cell load greater than balanced overload threshold between system excluded; Avoid being cut into a sub-district that load is high, cause switching go back to former sub-district once more behind this sub-district of professional incision; In the time of UE equally also possibly occurring and insert/be cut into 2G system corresponding district; Because the 2G cell load is greater than balanced overload threshold in the 2G system and should business preferentially switch to the 3G system; Need this UE is balanced to 3G system corresponding district; Before being balanced to the 3G system, if the load of 3G sub-district is then directly got rid of this 3G sub-district greater than balanced overload threshold between system; This threshold parameter of cell load and configuration is carried out the process of judgment processing, prevented service access/cut process because the cell load that load causes is unbalanced.
The present invention passes through the thresholding of the 2/3G network of configuration, and distributes through the related equilibrium that reaches business of professional common parameter configuration with the service-specific configuration parameter of 2/3G side.Belonging to the 3G system with Serving cell is example, comprises following content:
1) after RNC receives " RAB ASSIGNMENT REQUEST (RAB request for allocation) "/" MEASUREMENT REPORT (the measurement report) " message of UE, relevant informations such as the frequency range attribute of preservation UE, type of service, UE multimode attribute; Judge whether current service cell satisfies load balancing condition between system,, then in system, select the sub-district to admit if do not satisfy, but concrete reference implementation example 3; Otherwise, handle according to step 2.The load balancing condition comprises between system: the UE current service cell has the frequency range ability that satisfies the UE support with adjacent area between the system of covering/inclusion relation and said adjacent area; UE supports 2/3G; The Serving cell load is greater than balanced overload threshold in the 3G system; Wherein, also can comprise following condition: with there being the sub-district of load in the 2G cell that covers/comprise less than balanced overload threshold between system.
2) RNC obtains the corresponding professional common parameter configuration of Serving cell; Be associated with the specialized configuration of 3G side, be associated with the specialized configuration of 2G side, these configuration relations have determined miscellaneous service carrying out between system when balanced; Which kind of standard corresponding district is business should preferentially be balanced to, and is as shown in Figure 3.
For example, the common parameter of PS real time business is configured to: preferentially do not switch to 2G, preferentially switch to 3G; The PS real time business specialized configuration that then is associated with the 3G side is: preferentially do not switch to 2G; The PS real time business specialized configuration that is associated with the 2G side is: preferentially switch to 3G.
When the PS real time business in the 3G sub-district load that RAB assigns the stage greater than the 3G system in balanced overload threshold, should business preferentially not switch to 2G; Meanwhile, if certain cell load of 2G system is greater than balanced overload threshold in the 2G system, 2G cell preferentially switches to 3G with similar business; CS in the same principle 2/3G sub-district, PS non-real-time service preferentially switch to the system of a certain standard, have avoided the switching of same line of business between different systems.
Based on this situation; The present invention to business under the traffic overload situation; The goal systems that miscellaneous service preferentially was balanced to retrains; Thereby make try one's best bearing data service, 2G network of 3G network absorb speech business as far as possible, let the user obtain the favorable service impression, 3G network has also been shared the load of 2G network.
The professional common parameter of CS of suggestion acquiescence is configured to: preferentially switch to 2G, preferentially do not switch to 3G; The professional common parameter of the non real-time PS of acquiescence is configured to: preferentially do not switch to 2G, preferentially switch to 3G, the professional common parameter of real-time PS of acquiescence is configured to: preferentially do not switch to 2G, preferentially switch to 3G.
3) according to the selection principle of balanced sub-district in the step 2, if business preferentially is balanced to 2G cell, then according to following mode following mode is carried out in the same covering of Serving cell/comprise sub-district and sort: the sub-district of 2G system is preceding, and the sub-district of 3G system comes after the 2G cell; 2G cell is sorted according to load; Sorted according to one or more factors combine in the factors such as load, HCS (Hierarchical Cell Structure, layered cell structure) priority, professional prefer (preferentially) attribute, frequency range priority respectively in the 3G sub-district; In addition, if the load that has 2G cell then excludes this sub-district greater than balanced overload threshold between system; Avoided the generation of professional unbalanced distribution; If the load that has the 3G sub-district then excludes this sub-district greater than balanced overload threshold between system.
4) if the balanced Target cell of " RAB ASSIGNMENT REQUEST "/" MEASUREMENT REPORT " judgement is a 2G cell; Then through RANAP (Radio Access Network Application Part; Radio Access Network Application Part), the enhancing reorientation flow process of the enhancing repositioning process/internal interface of the repositioning process of agreement/Iur-g interface is balanced to the target 2G cell; If its balanced sub-district of selecting is the 3G sub-district, then realize the balancing procedure of 3G sub-district through reorientation/flow processs such as switching.
Below in conjunction with accompanying drawing the enforcement of the inventive method is done further to describe in detail:
Shown in accompanying drawing and accompanying drawing 2, the present invention uses in 3G network and briefly describes:
After A:RNC received " RAB ASSIGNMENT REQUEST "/" MEASUREMENT REPORT " message, B handled according to step.
B: judge whether Serving cell satisfies load balancing condition between system.The load balancing condition comprises whether having the load of supporting 2/3G, Serving cell with the 2G adjacent area of coverings/inclusion relation, UE ability greater than the frequency range ability of balanced overload threshold, 2G adjacent area support UE in the 3G system etc. between system.
C:, then obtain the common parameter configuration of said business if satisfy load balancing condition between system.The value of service switchover policy attribute field has determined the order of balanced sub-district between the common parameter system configured of CS business, PS real time business, PS non-real-time service.For example, the professional common parameter configuration value of CS is: preferentially switch to 2G, preferentially do not switch to 3G, then be associated with professional being configured to of 3G side CS: preferentially switch to 2G, be associated with the 2G side and be configured to: preferentially do not switch to 3G.Such value has determined that the professional balanced sub-district of CS is in proper order in the 3G system: the order of sub-district (referring to the 3G system cell here) in intersystem cell (referring to the 2G system cell here), the system; Therefore, can dispose each standard institute loaded service type of reasonable distribution through professional common parameter.
If do not formulate above-mentioned strategy; When the 2G cell traffic overload; Maybe the PS real time business that insert be balanced to the 3G sub-district, when the 3G cell-overload, the PS real time business that inserts be balanced to 2G cell; Thereby possibly cause the equilibrium overload operation of a new round, the characteristics that do not make full use of the 2/3G network are shared the data of 2G network.
D: according to service switchover policy attribute field between the corresponding system of the type of service in the professional common parameter configuration and 2G, 3G side should the business switchover policy related; Preliminary order of discharging with covering/inclusion relation 2/3G sub-district; The final objective that out cell list sorted in these 2/3G sub-districts respectively according to certain principle afterwards;
Wherein, 2G cell is sorted according to load; Ordering is made up according to one or more factors in the factors such as load, HCS priority, professional prefer attribute, frequency range priority respectively in the 3G sub-district; Get rid of the 2G cell of load greater than balanced overload threshold between system.
E: judge that the sub-district of attempting again is 3G sub-district or 2G cell.For the sub-district of different systems, take different service access/switching flow.
F: if RAB/ measurement report court verdict is a 2G cell, then the enhancing reorientation flow process that realizes of the enhancing repositioning process of the repositioning process/Iur-g interface through RANAP/internal interface is come balanced flow process between the realization system.
G:, then, wait balanced flow process in the system that realizes the 3G sub-district through reorientation/switching if RAB/ measurement report court verdict is the 3G sub-district.
In conjunction with illustrated in figures 1 and 2, be that example describes with the CS business, the processing of remaining PS real time business, PS non-real-time service is similar.The specific embodiment 1 of the inventive method comprises the following steps:
Step S101:, then change S102 if the CS business that inserts satisfies load balancing condition between system; Otherwise, change S106.Wherein, between system the load balancing condition comprise have with the sign indicating number resources occupation rate of the 2G cell of coverings/inclusion relation, current service cell greater than in the 3G system between balanced overload threshold, UE support 2/3G, system the adjacent area satisfy the frequency range ability of UE support.
Step S102: obtain professional common parameter configuration.Professional common parameter disposes switchover policy attribute field between the system that comprises CS business, PS real time business, PS non-real-time service; And effective these parameters of network element control switch of service switching, change S103 effective network element control switch of service switching is judged.
Step S103: effective network element control switch that service is switched has determined that choosing of service switchover is CN (the Core Network that depends on the 3G side; Core net) and the MSC of 2G side (Mobile Switch Center; Mobile switching centre) controls or depend on RNC and BSC controls; Whether effective network element control switch that the service of judgement is switched is opened, if open, then changes S104 and handles; Otherwise, change S105 and handle.
Step S104: effective control network element that service is switched is RNC and BSC; At this moment; Judge the value of switchover policy attribute field between the professional system of CS in the configuration of professional common parameter; The value of this business common parameter configuration field has determined 3G, the corresponding professional associating policy of 2G side, and concrete incidence relation reference example 2 is described, and finishes.
Step S105: effective network element that service is switched is controlled by CN and MSC, and the relevant parameter loss of configuration of RNC side and BSC side finishes.
At this moment, if the 3G core net has been carried optional " Service Handover (the professional switching) " cell in RAB assigns, then carry out professional switching according to the value of this cell; If do not carry optional " Service Handover " cell, then, under the condition that satisfies load balancing between system, preferentially the CS business switched to 2G; If 2G side core net has been carried optional " Service Handover " cell in ASSIGMENT REQUEST (request for allocation) message, then carry out professional switching according to the value of this cell; If do not carry optional " Service Handover " cell, then,, the PS business is preferentially switched to 3G satisfying between system under the load balancing condition.
Wherein, the value of 3G side Service Handover cell is: 0: preferentially switch to 2G; 1: preferentially do not switch to 2G; 2: do not allow to switch to 2G
The value of 2G side Service Handover cell is: 0: preferentially switch to 3G; 1: preferentially do not switch to 3G; 2: do not allow to switch to 3G.
Step S106: finish.
With shown in the accompanying drawing 3, is that example describe professional common parameter configuration and the incidence relation of its specialized configuration with the CS business in conjunction with accompanying drawing 1, and remaining PS real time business, PS non-real-time service have similar association process, specifically comprise:
1, if the professional common parameter of CS is configured to: preferentially switch to 2G, do not allow to switch to 3G; The professional switchover policy of CS that then is associated with the 3G side is: preferentially switch to 2G; Being associated with the professional switchover policy of 2G side CS is: do not allow to switch to 3G.
2, if the professional common parameter of CS is configured to: preferentially do not switch to 2G, do not allow to switch to 3G; Then being associated with the professional switchover policy of 3G side CS is: preferentially do not switch to 2G; Being associated with the professional switchover policy of 2G side CS is: do not allow to switch to 3G.
3, if the professional common parameter of CS is configured to: preferentially switch to 2G, preferentially do not switch to 3G; Then being associated with the professional switchover policy of 3G side CS is: preferentially switch to 2G; Being associated with the professional switchover policy of 2G side CS is: preferentially do not switch to 3G.
4, if the professional common parameter of CS is configured to: preferentially do not switch to 2G, preferentially do not switch to 3G; Then being associated with the professional switchover policy of 3G side CS is: preferentially do not switch to 2G; Being associated with the professional switchover policy of 2G side CS is: preferentially do not switch to 3G.
5, if the professional common parameter of CS is configured to: preferentially do not switch to 2G, preferentially switch to 3G; Then being associated with the professional switchover policy of 3G side CS is: preferentially do not switch to 2G; Being associated with the professional switchover policy of 2G side CS is: preferentially switch to 3G.
6, if the professional common parameter of CS is configured to: do not allow to switch to 2G, preferentially switch to 3G; Then being associated with the professional switchover policy of 3G side CS is: preferentially do not switch to 2G; Being associated with the professional switchover policy of 2G side CS is: preferentially switch to 3G.
When professional with CS below, PS real time business and PS non-real-time service are above-mentioned the 4th kind of configuration, explain that the common parameter according to business disposes the method that is sorted in the sub-district between the different systems system.Comprise:
If business is that the CS of 3G sub-district is professional, then when satisfying between system the load balancing condition, can this business be balanced to 2G cell; Also promptly when satisfying between system the load balancing condition, sub-district in intersystem cell, the system;
If business is the PS real time business of 3G sub-district, then when satisfying between system the load balancing condition, cannot this business be balanced to 2G cell; The sub-district is in proper order: 3G sub-district in the system-＞system between 2G cell; At this moment; If think proper cell arranged in system; Preferentially with service bearer in system, if there is not proper cell in the system, just can business be switched to 2G cell between system; This is to cause the PS business preferably not allow it to be balanced to 2G cell owing to handover success rate between the system of PS business is low, and the terminal exists reasons such as the 2G cell measurement that reports is inaccurate to cause at present.
If business is the PS non-real-time service of 3G sub-district, then when satisfying between system the load balancing condition, the sub-district is in proper order: sub-district, intersystem cell in the system;
If business is that the CS of 2G cell is professional, when then satisfying between system equilibrium condition, order is: sub-district, intersystem cell in the system;
If business is the PS real time business of 2G cell, when then satisfying between system equilibrium condition, order is: sub-district in intersystem cell, the system;
If business is the PS non-real-time service of 2G cell, when then satisfying between system equilibrium condition, order is: sub-district in intersystem cell, the system.
Above-mentioned sort method is merely example, can use other sortords as required.
With shown in the accompanying drawing 4, is that example describe with the CS business in conjunction with accompanying drawing 1, remaining PS real time business, the similar association process of PS non-real-time service, and the specific embodiment 3 of the inventive method comprises following content:
1, when the CS traffic load that inserts the 3G side less than the 3G system in counterbalanced gate in limited time, business is preferentially admitted at Serving cell; Counterbalanced gate is limited in the 2/3G system of suggestion acquiescence: 75%;
2, when the CS traffic load greater than the 3G system in balanced thresholding; And less than in the 3G system during balanced overload threshold; Then preferentially in the 3G system of same covering/Serving cell inclusion relation of supporting UE frequency range ability, insert; Serving cell is participated in the ordering of sub-district in the 3G system, comes after the 3G system cell with covering/inclusion relation 2G cell; Balanced overload threshold is in the 2/3G system of suggestion acquiescence: 85%;
3, when traffic load greater than the 3G system in during balanced overload threshold; Then; According to the professional system that preferentially inserts of professional common parameter configuration decision CS,, further judge the load of same covering/inclusion relation 2G cell of supporting UE frequency range ability according to the professional sub-district of preferentially inserting of common parameter configuration decision; If 2G cell load is less than between system during balanced overload threshold, just with this 2G cell as candidate cell; Otherwise, this 2G cell is directly excluded.The balanced overload threshold of suggestion acquiescence is: 90%;
4, same principle is applicable to the equalization process when the 2G side joint is gone into business.
Above-mentioned threshold value is merely example, and the present invention does not limit this.
The present invention also provides a kind of professional equalizing distributor, and is as shown in Figure 5, comprising:
Judging unit is used to judge the professional load balancing condition between preset system that whether satisfies;
Acquiring unit is used for when judgment unit judges is professional when satisfying between preset system the load balancing condition common parameter configuration of obtaining said business;
Sequencing unit is used for according to the configuration of said common parameter being sorted in the sub-district that the adjacent area load of the same covering of the Serving cell at said professional place/comprise is not more than balanced overload threshold between preset system, according to ranking results select target sub-district;
Admit the unit, be used for admitting said business at said Target cell.
Wherein, Said business satisfies that the load balancing condition comprises between system: said Serving cell has the frequency range ability that satisfies the subscriber equipment support with the adjacent area of coverings/inclusion relation and said adjacent area; Each standard system of load balancing, balanced overload threshold in the system of the load of the said business of said Serving cell greater than system under it are carried out in said subscriber equipment support.
Wherein, said common parameter configuration comprises whether said business preferentially switches to the system of certain standard, and/or whether allows to switch to the system of certain standard.
Wherein, said sequencing unit is to be used for sorting as follows: at first confirm the sequencing between the sub-district between the different systems system according to said common parameter configuration, sorted in the intrasystem sub-district of same standard.
Wherein, Said sequencing unit is to be used for being sorted in the intrasystem sub-district of same standard as follows: sort according to cell load, perhaps sort according to one or more factors combine in load, HCS priority, professional prefer attribute, the frequency range priority.
Wherein, said common parameter configuration comprises effective network element control information that service is switched;
Said device also comprises the effective network element judging unit of service switching, and whether the effective network element that is used for switching according to said common parameter configuration determination service is radio network controller or base station controller, if notify said sequencing unit to sort;
Said sequencing unit is to be used to receive when the notice of effective network element judging unit is switched in said service just sort.
Wherein, Said admittance unit also is used for: load balancing condition when between the professional discontented pedal system of said judgment unit judges; And said Serving cell load less than counterbalanced gate in the system of system under the said Serving cell in limited time, admits said business at said Serving cell; Load balancing condition when between the professional discontented pedal system of said judgment unit judges; And said Serving cell load is greater than balanced thresholding in the system of system under the said Serving cell; But less than in the system of system under the said Serving cell during balanced overload threshold; Preferentially belonging to same system, and supporting to select a sub-district in adjacent area and the said Serving cell of the same covering of subscriber equipment frequency range ability/comprise, admitting said business with said Serving cell.
The present invention through in balanced thresholding, the 2/3G system in the 2/3G system of balanced 2/3G cell load and configuration between balanced overload threshold, system the relation of balanced overload threshold avoid business is cut into a high load capacity sub-district; The present invention also preferentially is linked into certain standard sub-district through professional common parameter configuration to business and retrains, and realizes professional equilibrium between the different systems system.
Be that example describes with 2G, 3G system among the present invention, also applicable to other system.In addition, except being applicable to professional balanced between two systems, professional balanced applicable between three or three above systems also.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
Claims (14)
1. the balanced distribution method of business is characterized in that, comprising:
Professional when satisfying between preset system the load balancing condition; Obtain the common parameter configuration of said business; According to the configuration of said common parameter sorted in the sub-district that load in the adjacent area of the same covering of the Serving cell at said professional place/comprise is not more than balanced overload threshold between preset system; According to ranking results select target sub-district, admit said business at said Target cell.
2. the method for claim 1; It is characterized in that; Said business satisfies that the load balancing condition comprises between system: said Serving cell has the frequency range ability that satisfies the subscriber equipment support with the adjacent area of coverings/inclusion relation and said adjacent area; Each standard system of load balancing, balanced overload threshold in the system of the load of the said business of said Serving cell greater than system under it are carried out in said subscriber equipment support.
3. the method for claim 1 is characterized in that, said common parameter configuration comprises whether said business preferentially switches to the system of certain standard, and/or whether allows to switch to the system of certain standard.
4. method as claimed in claim 3 is characterized in that, comprises in the said ordered steps, confirms the sequencing between the sub-district between the different systems system according to said common parameter configuration.
5. like claim 1 or 4 described methods; It is characterized in that; Comprise in the said ordered steps: sorted in the intrasystem sub-district of same standard as follows: sort according to cell load, perhaps sort according to one or more factors combine in load, HCS priority, professional prefer attribute, the frequency range priority.
6. like claim 1 or 3 described methods; It is characterized in that; Said common parameter configuration comprises effective network element control information that service is switched, and before the said sorting operation, whether the effective network element that also switches according to said common parameter configuration determination service is radio network controller or base station controller; If just carry out said sorting operation.
7. the method for claim 1; It is characterized in that; Said method also comprises: if load balancing condition between the discontented pedal system of said business, counterbalanced gate is admitted said business at said Serving cell in limited time in the system of system under said Serving cell is loaded less than said Serving cell; Balanced thresholding in the system of system under said Serving cell is loaded greater than said Serving cell; And less than in the system of system under the said Serving cell during balanced overload threshold; Preferentially belonging to same system with said Serving cell; And support to select a sub-district in adjacent area and the said Serving cell of the same covering of subscriber equipment frequency range ability/comprise, admit.
8. a professional equalizing distributor is characterized in that, comprising:
Judging unit is used to judge the professional load balancing condition between preset system that whether satisfies;
Acquiring unit is used for when judgment unit judges is professional when satisfying between preset system the load balancing condition common parameter configuration of obtaining said business;
Sequencing unit is used for according to the configuration of said common parameter being sorted in the sub-district that the adjacent area load of the same covering of the Serving cell at said professional place/comprise is not more than balanced overload threshold between preset system, according to ranking results select target sub-district;
Admit the unit, be used for admitting said business at said Target cell.
9. device as claimed in claim 8; It is characterized in that; Said business satisfies that the load balancing condition comprises between system: said Serving cell has the frequency range ability that satisfies the subscriber equipment support with the adjacent area of coverings/inclusion relation and said adjacent area; Each standard system of load balancing, balanced overload threshold in the system of the load of the said business of said Serving cell greater than system under it are carried out in said subscriber equipment support.
10. device as claimed in claim 8 is characterized in that, said common parameter configuration comprises whether said business preferentially switches to the system of certain standard, and/or whether allows to switch to the system of certain standard.
11. like claim 8 or 10 described devices; It is characterized in that; Said sequencing unit is to be used for sorting as follows: at first confirm the sequencing between the sub-district between the different systems system according to said common parameter configuration, sorted in the intrasystem sub-district of same standard.
12. device as claimed in claim 11; It is characterized in that; Said sequencing unit is to be used for being sorted in the intrasystem sub-district of same standard as follows: sort according to cell load, perhaps sort according to one or more factors combine in load, HCS priority, professional prefer attribute, the frequency range priority.
13. like claim 8 or 10 described devices, it is characterized in that,
Said common parameter configuration comprises effective network element control information that service is switched;
Said device also comprises the effective network element judging unit of service switching, and whether the effective network element that is used for switching according to said common parameter configuration determination service is radio network controller or base station controller, if notify said sequencing unit to sort;
Said sequencing unit is to be used to receive when the notice of effective network element judging unit is switched in said service just sort.
14. device as claimed in claim 8 is characterized in that,
Said admittance unit also is used for: load balancing condition when between the professional discontented pedal system of said judgment unit judges, and said Serving cell load is less than counterbalanced gate in the system of system under the said Serving cell in limited time, admits said business at said Serving cell; Load balancing condition between the professional discontented pedal system of said judgment unit judges; And said Serving cell load is greater than balanced thresholding in the system of system under the said Serving cell; But less than in the system of system under the said Serving cell during balanced overload threshold; Preferentially belonging to same system, and supporting to select a sub-district in adjacent area and the said Serving cell of the same covering of subscriber equipment frequency range ability/comprise, admitting said business with said Serving cell.
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| CN1592165A (en) * | 2003-09-07 | 2005-03-09 | 中兴通讯股份有限公司 | Frequency domain load equalizing controlling method for use while initial access in wide band CDMA system |
| EP2265054A1 (en) * | 2008-03-21 | 2010-12-22 | Huawei Technologies Co., Ltd. | Overload processing method and apparatus |
| CN101931990A (en) * | 2009-06-25 | 2010-12-29 | 中兴通讯股份有限公司 | Method for selecting target cell based on load condition in repositioning process |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592165A (en) * | 2003-09-07 | 2005-03-09 | 中兴通讯股份有限公司 | Frequency domain load equalizing controlling method for use while initial access in wide band CDMA system |
| EP2265054A1 (en) * | 2008-03-21 | 2010-12-22 | Huawei Technologies Co., Ltd. | Overload processing method and apparatus |
| CN101931990A (en) * | 2009-06-25 | 2010-12-29 | 中兴通讯股份有限公司 | Method for selecting target cell based on load condition in repositioning process |
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