CN103037439A - Load balancing method and access network equipment - Google Patents

Load balancing method and access network equipment Download PDF

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Publication number
CN103037439A
CN103037439A CN2011102955507A CN201110295550A CN103037439A CN 103037439 A CN103037439 A CN 103037439A CN 2011102955507 A CN2011102955507 A CN 2011102955507A CN 201110295550 A CN201110295550 A CN 201110295550A CN 103037439 A CN103037439 A CN 103037439A
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gbr
business
subscriber equipment
residential quarter
load
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CN103037439B (en
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杨利
宋平
张欢
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

An embodiment of the invention discloses a load balancing method and access network equipment and is applied to the technical field of communication. By means of the load balancing method, by obtaining users' satisfaction of Non-guarantee bit rate (GBR) service and/or users' satisfaction or average speed of the GBR service in a cell and obtaining the users' satisfaction or average speed to balance the load of the cell, further balancing of the load of the cell can be performed. Due to the fact that the specific value of the actual speed of the service to restricted speed or guaranteed speed or historical average speed is included in the users' satisfaction of the service, and the average speed of the service is the average value of the actual speed of the service, the two factors of the actually obtained service speed and the limited speed or the guaranteed speed or the historical average speed of user equipment are taken into account when the load of the cell is balanced, or the actually obtained service speed of the user equipment is taken into account, the actual access capability of the cells can be reflected, and resources of the cells can be saved accordingly.

Description

A kind of load-balancing method and access network equipment
Technical field
The present invention relates to communication technical field, particularly load-balancing method and access network equipment.
Background technology
In mobile communication system, the load of each minizone is unbalanced often, some cell loads are higher, what have is lower, like this so that can not satisfy user's service quality (Quality of Service in high capacity cell radio resource anxiety, QoS) requirement, and the situation of waste of radio resources has appearred in low loaded cell.In order to improve the utilance of Radio Resource, people have proposed mobility load balance (Mobility Load Balancing, MLB) algorithm namely by the edge customer in the high capacity residential quarter being switched in the low loaded cell, is realized the approximate equalization of minizone load.
Current cell load is with subscriber equipment (User Equipment, UE) to Physical Resource Block (Physical Resource Block, PRB) utilance is weighed, and the business of UE comprises assurance bit rate (Guaranteed Bit Rate, GBR) and the business of non-GBR (Non-GBR), wherein: the professional need of GBR guarantees certain service rate, and the Non-GBR business need not guarantee service rate.If in the situation that PRB resource abundance Non-GBR service rate can reach Aggregate Maximum Bit Rate (the Aggregated Maximum Bit Rate of configuration, AMBR), because AMBR value one general configuration is larger, so that a small amount of Non-GBR user may occupy most of PRB resource of residential quarter, think that the PRB utilance of residential quarter is higher this moment, this residential quarter is the high capacity residential quarter, then triggers the process of load balancing.But in fact the Non-GBR business need not guaranteed rate, still can access user in the residential quarter, and the cell load of weighing with the utilance of PRB like this can not reflect the actual access capability of residential quarter, thereby can cause the waste of local resource.
Summary of the invention
The embodiment of the invention provides a kind of load-balancing method and access network equipment, can reflect the actual access capability of residential quarter, thereby has saved the waste of local resource.
The embodiment of the invention provides a kind of load-balancing method, comprising:
Obtain the user satisfaction of non-assurance bit rate Non-GBR business in the residential quarter and/or the user satisfaction of assurance bit rate GBR business;
Represent the load of described Non-GBR business or represent the load of described GBR business or represent the load of described residential quarter with the weighted value sum of the user satisfaction of the user satisfaction of described Non-GBR business and described GBR business with the user satisfaction of described GBR business with the user satisfaction of described Non-GBR business; According to load or the load of described GBR business or the load of described residential quarter of described Non-GBR business, carry out the cell load equilibrium;
The user satisfaction of described Non-GBR business comprises the actual speed rate and the ratio that limits speed of described Non-GBR business, or the ratio of the actual speed rate of described Non-GBR business and historical Mean Speed;
The user satisfaction of described GBR business comprises the actual speed rate of described GBR business and the ratio of guaranteed rate.
The embodiment of the invention provides a kind of access network equipment, comprising: satisfaction acquiring unit, load represent unit and Load Balance Unit, wherein:
Described satisfaction acquiring unit is used for the user satisfaction of the non-assurance bit rate Non-GBR business in the residential quarter of obtaining and/or the user satisfaction of assurance bit rate GBR business;
Described load represents the unit, be used for representing with the user satisfaction of described Non-GBR business the load of described Non-GBR business, or represent the load of described GBR business with the user satisfaction of described GBR business, perhaps represent the load of residential quarter with the weighted value sum of the user satisfaction of the user satisfaction of described Non-GBR business and described GBR business;
Described Load Balance Unit is used for load or the load of described GBR business or the load of described residential quarter according to described Non-GBR business, carries out the cell load equilibrium;
Wherein, the user satisfaction of described Non-GBR business comprises the actual speed rate of Non-GBR business, with the restriction speed of Non-GBR business or the ratio of historical Mean Speed;
The user satisfaction of described GBR business comprises the ratio of the guaranteed rate of the actual speed rate of GBR business and GBR business.
In the load-balancing method of the embodiment of the invention, user satisfaction by obtaining Non-GBR business in the residential quarter and/or the user satisfaction of GBR business, and weigh the load of residential quarter with the user satisfaction of obtaining, thereby carry out the equilibrium of cell load, owing to comprising professional actual speed rate in the professional user satisfaction, with the restriction speed of this business or the ratio of historical Mean Speed or guaranteed rate, like this when weighing the load of residential quarter, considered subscriber equipment real income service rate, with restriction speed or the factors such as guaranteed rate or historical Mean Speed, weighing load with in the prior art the utilance by PRB compares, the loading condition that the embodiment of the invention is determined more can reflect the actual access capability of residential quarter, thereby has saved the waste of local resource.
The embodiment of the invention provides a kind of load-balancing method, comprising:
Obtain the Mean Speed of non-assurance bit rate Non-GBR business in the residential quarter and/or the average traffic speed of assurance bit rate GBR business;
Represent the load of described Non-GBR business with the Mean Speed of described Non-GBR business, or represent the load of described GBR business with the Mean Speed of described GBR business, or represent the load of described residential quarter with the weighted value sum of the Mean Speed of the Mean Speed of described Non-GBR business and described GBR business;
According to load or the load of described GBR business or the load of described residential quarter of described Non-GBR business, carry out the cell load equilibrium.
The embodiment of the invention provides a kind of access network equipment, comprising: speed acquiring unit, cell load represent unit and cell load balanced unit, wherein:
Described speed acquiring unit is used for the Mean Speed of the non-assurance bit rate Non-GBR business in the residential quarter of obtaining and/or the Mean Speed of assurance bit rate GBR business;
Described cell load represents the unit, be used for representing with the Mean Speed of described Non-GBR business the load of Non-GBR business in the residential quarter, or represent the load of GBR business with the Mean Speed of GBR business, or represent the load of residential quarter with the weighted value sum of the Mean Speed of the Mean Speed of described Non-GBR business and GBR business;
Described cell load balanced unit is used for load or the load of described GBR business or the load of described residential quarter according to described Non-GBR business, carries out the cell load equilibrium.
In the load-balancing method of the embodiment of the invention, by obtaining the Mean Speed of Non-GBR business in the residential quarter and/or GBR business, and weigh the load of residential quarter with the Mean Speed of obtaining, thereby carry out the equilibrium of cell load, because professional Mean Speed is practical business speed average of subscriber equipment, like this when weighing the load of residential quarter, considered each subscriber equipment real income service rate, weighing load with in the prior art the utilance by PRB compares, the loading condition that the embodiment of the invention is determined more can reflect the actual access capability of residential quarter, thereby has saved the waste of local resource.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of a kind of load-balancing method of providing of the embodiment of the invention;
Fig. 2 is the flow chart that obtains the user satisfaction of Non-GBR business in the residential quarter in the embodiment of the invention;
Fig. 3 be access network equipment statistics in the embodiment of the invention some day the Non-GBR subscriber equipment the history average table of average traffic speed;
Fig. 4 is the flow chart of the another kind of load-balancing method that provides of the embodiment of the invention;
Fig. 5 is the flow chart of the another kind of load-balancing method that provides of the embodiment of the invention;
Fig. 6 is the flow chart of the another kind of load-balancing method that provides of the embodiment of the invention;
Fig. 7 is the structural representation of a kind of access network equipment of providing of the embodiment of the invention;
Fig. 8 is the structural representation of the another kind of access network equipment that provides of the embodiment of the invention;
Fig. 9 is the structural representation of the another kind of access network equipment that provides of the embodiment of the invention;
Figure 10 is the structural representation of the another kind of access network equipment that provides of the embodiment of the invention;
Figure 11 is the structural representation of the another kind of access network equipment that provides of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of load-balancing method, it mainly is the load balancing of carrying out in each minizone of mobile communication system, the method of the present embodiment is that access network equipment in the residential quarter is such as the performed method of the equipment such as base station or access point, flow chart comprises following content as shown in Figure 1.
101, obtain the user satisfaction of one or more type services in the residential quarter, the user satisfaction that can comprise the business of current area and neighbor cell, particularly, obtain the user satisfaction of non-assurance bit rate Non-GBR business in the residential quarter and/or the user satisfaction of assurance bit rate GBR business.
Be appreciated that, the business of subscriber equipment can comprise that Non-GBR is professional and GBR is professional, access network equipment is when obtaining a kind of user satisfaction of type service, can be throughput with the subscriber equipment real income service rate of the type business, be divided by with the restriction speed of the type business or guaranteed rate or historical Mean Speed, wherein:
Need guaranteed rate for the GBR business, the user satisfaction of the GBR business that access network equipment obtains can comprise the ratio of the guaranteed rate of the actual GBR service rate of the subscriber equipment of GBR business (GBR subscriber equipment) and this GBR business; And be not need guaranteed rate for the Non-GBR business, but needing upper limit of regulation is AMBR, in this case, the user satisfaction of the Non-GBR business obtained of access network equipment can comprise that the actual Non-GBR service rate of subscriber equipment (being the Non-GBR subscriber equipment) of Non-GBR business and the restriction speed of this Non-GBR business are the ratio of AMBR; And AMBR is generally larger, the Non-GBR service rate of Non-GBR subscriber equipment reality does not reach AMBR, for the user satisfaction of obtaining more accurate, the user satisfaction of the Non-GBR business of obtaining can comprise that the actual Non-GBR service rate of subscriber equipment of Non-GBR business and the historical Mean Speed of this Non-GBR business be divided by, here historical Mean Speed can be the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment real income of access network equipment (before the current measurement period) statistics before, also can be by one period long period to the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment real income of adding up in the same time section etc.
And the practical business speed of subscriber equipment can obtain by network equipment short-term or long-term the detection, and short-term can be the MLB cycle here, can be second level or minute rank, and can be a hour rank for a long time.
Above-mentioned Non-GBR or GBR subscriber equipment refer to support the subscriber equipment of Non-GBR or GBR business, and Non-GBR and GBR subscriber equipment can not be same equipment, also can be same equipment, have namely not only supported the Non-GBR business but also have supported the equipment of GBR business.
102, according to the first strategy and 101 user satisfaction of obtaining that preset, determine the loading condition of residential quarter, particularly, represent the load of Non-GBR business with the user satisfaction of Non-GBR business, or represent the load of GBR business with the user satisfaction of GBR business, perhaps represent the load of residential quarter with the weighted value sum of the user satisfaction of the user satisfaction of Non-GBR business and GBR business.Wherein:
The first strategy that presets comprises: represent the load of respective type business in the residential quarter with the user satisfaction of arbitrary type service; Or represent load of residential quarter etc. with the weighted value sum of the user satisfaction of each type service.Wherein can set the user satisfaction higher (or lower) of a certain type service, then the load of the type business is lower in the residential quarter, and the weighted value sum that obtains is higher, and then the load of residential quarter is lower.
Particularly, access network equipment can represent with the user satisfaction of Non-GBR business the load of Non-GBR business in the residential quarter, or represent the load of GBR business in the residential quarter with the user satisfaction of GBR business when determining the loading condition of residential quarter; Or, if 101 what obtain is the user satisfaction of Non-GBR business and the user satisfaction of GBR business, then in 102 with the weighted value sum of the user satisfaction of the user satisfaction of Non-GBR business and GBR business, namely the user satisfaction of the user satisfaction of Non-GBR business and GBR business obtains the load of value representation residential quarter respectively with after the product addition of respective weights value.
103, carry out the equilibrium of cell load, particularly, according to load or the load of GBR business or the load of residential quarter of the Non-GBR business of expression in 102, to carrying out the cell load equilibrium.
When carrying out cell load balanced, if in the current area, the user satisfaction of arbitrary type service is less than (or greater than) the first preset value, or the load value that obtains is less than the second preset value, then access network equipment can trigger the flow process of load balancing, particularly, the residential quarter that load in the neighbor cell is lower is as Target cell.Here the first preset value can be different from the second preset value, and the first preset value and the second preset value do not represent ordinal relation here, but for different preset values is described.
As seen, in the load-balancing method of the embodiment of the invention, user satisfaction by obtaining Non-GBR business in the residential quarter and/or the user satisfaction of GBR business, and weigh the load of residential quarter with the user satisfaction of obtaining, thereby carry out the equilibrium of cell load, owing to comprising professional actual speed rate in the professional user satisfaction, with the restriction speed of this business or the ratio of historical Mean Speed or guaranteed rate, like this when weighing the load of residential quarter, considered subscriber equipment real income service rate, with restriction speed or the factors such as guaranteed rate or historical Mean Speed, weighing load with in the prior art the utilance by PRB compares, the loading condition that the embodiment of the invention is determined more can reflect the actual access capability of residential quarter, thereby has saved the waste of local resource.
In a specific embodiment, access network equipment was being carried out above-mentioned 101 o'clock, can only obtain the user satisfaction of GBR business, particularly, can obtain by following step:
A1: the first ratio S1 of GBR subscriber equipment number in the user satisfaction sum of each GBR subscriber equipment and the residential quarter in the calculation plot, or the second ratio S2 of the professional guaranteed rate sum of GBR of the actual GBR service rate sum of interior each GBR subscriber equipment of calculation plot and each GBR subscriber equipment.
Be appreciated that, in a residential quarter, the GBR subscriber equipment has a plurality of, then when calculating the user satisfaction of GBR business, need to consider each GBR subscriber equipment in the residential quarter, particularly, the mean value of the user satisfaction of GBR subscriber equipment in can calculation plot, that is: S1=(user satisfaction of each GBR subscriber equipment of ∑)/(GBR subscriber equipment number in the residential quarter), wherein, the user satisfaction of each GBR subscriber equipment is the ratio of the professional guaranteed rate of GBR of the GBR service rate of this GBR subscriber equipment real income and this GBR subscriber equipment.
Access network equipment can also calculate by following formula when calculating the user satisfaction of GBR business: S2=(each GBR subscriber equipment real income of ∑ GBR service rate)/(the professional guaranteed rate of the GBR of each GBR subscriber equipment of ∑).
B1: with the first ratio S1 or the second ratio S2 user satisfaction as GBR business in the residential quarter.
After the user satisfaction that gets access to the GBR business, when determining the loading condition of residential quarter, can only represent the load of GBR business by the user satisfaction of GBR business, the residential quarter of the user satisfaction that can set the GBR business larger (or less), then the load of GBR business is lower in this residential quarter.
In another specific embodiment, access network equipment can also only obtain the user satisfaction of Non-GBR business when carrying out above-mentioned steps 101, particularly, can obtain by following step, flow chart as shown in Figure 2:
A2: the professional Mean Speed T of the Non-GBR of part Non-GBR subscriber equipment in the calculation plot I_ave, wherein part Non-GBR subscriber equipment can be the Non-GBR subscriber equipment that is in busy state in the residential quarter.
Access network equipment can calculate the actual Non-GBR service rate of Non-GBR subscriber equipment in the residential quarter of short-term (such as the MLB cycle) statistics, and wherein, short-term can be second level or a minute rank, is then calculating the professional Mean Speed T of Non-GBR I_aveThe time, can be directly the actual Non-GBR service rate of the Non-GBR subscriber equipment of busy (idle) attitude be averaged;
Also the actual Non-GBR service rate of all Non-GBR subscriber equipmenies can be deducted Idle state the Non-GBR subscriber equipment actual Non-GBR service rate and then average i.e. T I_ave=(actual total Non-GBR service rate T ' of actual total Non-GBR service rate T1-Idle state Non-GBR subscriber equipment of all Non-GBR subscriber equipmenies)/(all Non-GBR subscriber equipment number N1-Idle state Non-GBR subscriber equipment number N ').In this case, access network equipment can sort the actual Non-GBR service rate of Non-GBR subscriber equipment of statistics, and selects the lower individual subscriber equipment of N ' of actual Non-GBR service rate as the subscriber equipment of Idle state.
B2: the mean value T of the Non-GBR business polymerization maximum bit rate AMBR (namely limiting speed) of the Non-GBR subscriber equipment of busy state in the calculation plot I_sat, or obtain the history average M of Non-GBR service rate of the Non-GBR subscriber equipment of busy state in the residential quarter I_sat, i.e. the historical Mean Speed of Non-GBR business.
Be appreciated that for the Non-GBR business it is that to need the upper limit of regulation service rate be AMBR, then access network equipment is calculating T I_satThe time, can calculate for Non-GBR subscriber equipment in the residential quarter of short-term or long-time statistical, then T I_sat=(the professional AMBR of the Non-GBR of the busy attitude Non-GBR subscriber equipment of ∑)/(busy attitude Non-GBR subscriber equipment number).Its medium-term and long-term can for hour or minute rank.
Because in actual applications, subscriber equipment differs and reaches surely set upper limit value AMBR, and for so that the user satisfaction of obtaining is more accurate, access network equipment need to obtain M I_sat, namely access network equipment carried out the professional Mean Speed of Non-GBR of the busy attitude Non-GBR subscriber equipment of long-time statistical before current measurement period, was called history average.It is medium-term and long-term can be 1 hour or a few hours, but time granularity will be enough to distinguish the busy and idle time in every day, such as for each all different number of days, and such as the working day of Mon-Fri, and the day off on Sunday Saturday, should add up respectively.
For example Fig. 3 be access network equipment statistics some day the Non-GBR subscriber equipment the professional Mean Speed of Non-GBR, take four hours as statistical unit, can find out, at 0 o'clock to 4 o'clock, in the residential quarter subscriber equipment seldom, then the professional Mean Speed of the Non-GBR of Non-GBR subscriber equipment is higher; Enter the operating time, during such as 4-8, user device quantity can increase in the residential quarter, and then the professional Mean Speed of the Non-GBR of Non-GBR subscriber equipment can descend.After adding up, access network equipment statistics can be stored, such as the history average table that can save as shown in Figure 3, in representing, history average comprises statistical time range, and in the professional Mean Speed of the Non-GBR of the corresponding statistics of each statistical time range.
And the access network equipment of each residential quarter can take week as unit, to weekly Monday to Sunday the Non-GBR subscriber equipment the professional Mean Speed of Non-GBR add up respectively, and store 7 mean value tables.But because the working day (or the day off on Saturday and Sunday) of Mon-Fri, the characteristic of the professional Mean Speed of Non-GBR can be more approaching in the corresponding statistical time range, in order to reduce memory space, access network equipment can only store two mean value tables, respectively for working day and day off.
Access network equipment can constantly upgrade these history average tables according to data and the local data that store of current statistical time range statistics, particularly, access network equipment can be with the history value b of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment of residential quarter in current statistical time range of storage and the product of the first weighted value λ, obtain updating value d with the professional Mean Speed c of Non-GBR of Non-GBR subscriber equipment and the product addition of the second weighted value (1-λ) in the residential quarter of current statistical time range statistics, be d=λ * b+ (1-λ) * c, wherein the first weighted value and the second weighted value sum are 1, if λ is less, then the history value of explanation consideration is fewer;
Access network equipment can be with the history average M of this updating value as the Non-GBR service rate of Non-GBR subscriber equipment in the residential quarter after having obtained updating value d I_sat, and the history value b of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment of the residential quarter that stores can be updated to updating value d.
For example, if current statistical time range is 4 o'clock to 8 o'clock of Sunday, after then 4 o'clock to 8 o'clock the professional Mean Speed of Non-GBR multiplies each other with (1-λ) in the history average table on access network equipment day off that this locality can be stored, obtain updating value with the product addition of the professional Mean Speed of the Non-GBR of the current actual count of access network equipment and λ.
C2: with the professional Mean Speed T of the Non-GBR of A2 calculating I_aveThe mean value T of the professional AMBR of Non-GBR that calculates with B2 I_satRatio as the user satisfaction of Non-GBR business, or the history average M that obtains of the professional Mean Speed of Non-GBR that A2 is calculated and B2 I_satRatio as the user satisfaction of Non-GBR business.
Need to prove, can get access to the user satisfaction of the Non-GBR business of the Non-GBR subscriber equipment (being part Non-GBR subscriber equipment) based on busy state to C2 by above-mentioned A2, and above-mentioned A2 and B2 do not have absolute ordinal relation, can carry out simultaneously, also can sequentially carry out just concrete situation shown in Figure 2.In other specific embodiment, access network equipment also can obtain the user satisfaction based on the Non-GBR business of whole Non-GBR subscriber equipmenies in the residential quarter, concrete grammar and above-mentioned steps A2 are similar to C2, difference is, the actual speed rate of the Non-GBR business of all Non-GBR subscriber equipmenies is average in the calculation plot when calculating the Mean Speed of Non-GBR business, and the AMBR's of the Non-GBR business of all Non-GBR subscriber equipmenies of calculation plot is average when calculating the mean value of AMBR, the history average of the Non-GBR service rate of all Non-GBR subscriber equipmenies in the calculation plot when calculating history average.
After the user satisfaction that obtains the Non-GBR business, when determining the loading condition of residential quarter, can only represent the load of Non-GBR business by the user satisfaction of Non-GBR business, the residential quarter of the user satisfaction that can set the Non-GBR business larger (or less), then the load of Non-GBR business is lower in this residential quarter.
In other specific embodiment, access network equipment can only obtain the user satisfaction of Non-GBR business when carrying out above-mentioned steps 101, particularly, can obtain by following mode:
The ratio of Non-GBR subscriber equipment (or part Non-GBR subscriber equipment) number in the user satisfaction sum of each non-assurance bit rate Non-GBR subscriber equipment (or part Non-GBR subscriber equipment) and the residential quarter in the calculation plot is as the user satisfaction of Non-GBR business in the residential quarter.Wherein, the user satisfaction of each Non-GBR subscriber equipment is the actual Non-GBR service rate of this Non-GBR subscriber equipment, and professional to limit speed be the ratio of the historical Mean Speed of AMBR or Non-GBR business with the Non-GBR of this Non-GBR subscriber equipment; And part Non-GBR subscriber equipment can be the Non-GBR subscriber equipment that is in busy attitude.
With reference to shown in Figure 4, below illustrate with a specific embodiment and the load-balancing method of the embodiment of the invention specifically to comprise following content.
201, access network equipment carries out scheduling of resource to subscriber equipment, and subscriber equipment is then professional according to the resource operation of access network equipment scheduling.
Access network equipment is when carrying out scheduling of resource, can be according to the principle of * maximum throughput of g* equity dispatching+(1-g), subscriber equipment to the residential quarter is dispatched, if take g as 0.5, then access network equipment can consider that simultaneously equity dispatching and maximum throughput carry out scheduling of resource with the weight that equates, specifically will be used for equity dispatching to 1/2 of total resources, other 1/2 is used for the scheduling of maximum throughput.
202, the utilance of PRB in the access network equipment statistics current area if the utilance of determining PRB in the current area then carries out 203 less than 100%, equals 100% if determine the utilance of PRB in the current area, then carries out 204.
203, access network equipment is determined the loading condition of current area according to the utilance of PRB, if high capacity, then trigger the flow process of load balancing, particularly, the residential quarter that the utilance of selecting PRB in the neighbor cell and the utilance of the interior PRB of current area have certain difference (presetting difference) is as Target cell, and certain customers' equipment of current area is switched to Target cell.
204, access network equipment obtains the user satisfaction of one or more type services in the residential quarter, and determines the loading condition of residential quarter according to the user satisfaction of obtaining, and comprises the loading condition of neighbor cell and current area.Specifically when determining the loading condition of residential quarter, can described in the corresponding embodiment of Fig. 1, not give unnecessary details at this.
Access network equipment can obtain by above-mentioned A1 the user satisfaction of GBR business to B1, and it is larger to set the user satisfaction of GBR business, and then the load of residential quarter is lower; Access network equipment can also obtain by above-mentioned A2 the user satisfaction of Non-GBR business to C2, and it is larger to set the user satisfaction of Non-GBR business, and then the load of residential quarter is lower; Access network equipment can also get access to respectively user satisfaction M1 and the M2 of user satisfaction and the Non-GBR business of GBR business, and with M1 and M2 respectively with the product addition of respective weights value after the load value Load that obtains, such as, Load=k*M1+M2, here because the GBR business has higher priority, k can set the load value Load value that obtains larger more than or equal to 1, and then the load of residential quarter is lower.
205, access network equipment carries out the process of load balancing according to the loading condition of determining.
When carrying out load balancing, access network equipment can select first PRB utilance in the neighbor cell less than 1 residential quarter as Target cell, if do not exist the PRB utilance less than 1 residential quarter, then access network equipment can be selected in the neighbor cell, the residential quarter that the user satisfaction of the user satisfaction of Non-GBR business or GBR business has certain difference (difference that presets) in the user satisfaction of the user satisfaction of Non-GBR business or GBR business and the current area is as Target cell, and the subscriber equipment of part Non-GBR business in the current area or the subscriber equipment of GBR business are switched to Target cell; Or,
Access network equipment can select the weighted value sum of user satisfaction in the neighbor cell and the weighted value sum of current area user satisfaction the residential quarter of certain difference to be arranged as Target cell, and part subscriber equipment in the current area switched to Target cell, wherein the weighted value sum of user satisfaction is the weighted value sum of the user satisfaction of the user satisfaction of Non-GBR business in the residential quarter and GBR business here.
Need to prove, in the load balancing process of reality, can not need to consider the PRB utilance of residential quarter, and directly determined the loading condition of residential quarter according to the corresponding embodiment of Fig. 1, and carry out load balancing.
In the process of above-mentioned load balancing, can mutually send resource status updating message (RESOURCE STATUS UPDATE) between the access network equipment of two equities (being the identical equipment in function and network site), and in the resource status updating message, increase new cell; Need to pass through core net when communicating by letter between some reciprocity access network equipment, then at this moment access network equipment can be transmitted to another reciprocity access network equipment with transmission response container (SON Transfer Response Container) message by core net, and increases new cell in the transmission response container message.
In the resource status updating message, or can carry the user satisfaction of Non-GBR business or the information such as user satisfaction of GBR business in the new cell of transmission response container message increase; Or in new cell, carry the actual speed rate of Non-GBR business and the information such as the restriction speed of Non-GBR business or historical Mean Speed;
Or in new cell, carry the actual Non-GBR service rate of non-assurance bit rate Non-GBR subscriber equipment in the residential quarter, Non-GBR subscriber equipment number, with the history average of the Non-GBR service rate of the mean value of the Non-GBR business polymerization maximum bit rate AMBR of Non-GBR subscriber equipment in the residential quarter or Non-GBR subscriber equipment, so that another access network equipment calculates the user satisfaction of Non-GBR business to the method for C2 according to above-mentioned A2; Or the user satisfaction sum of in new cell, carrying Non-GBR subscriber equipment in the current area, with Non-GBR subscriber equipment number, so that another access network equipment is divided by this user satisfaction sum and subscriber equipment number to obtain the user satisfaction of Non-GBR business;
Or in new cell, carry the user satisfaction sum that guarantees bit rate GBR subscriber equipment in the current area, with GBR subscriber equipment number, so that another access network equipment calculates the user satisfaction of GBR business to the method for B1 according to above-mentioned A1; Or in new cell, carry the guaranteed rate of actual speed rate and the GBR business of GBR business in the current area, so that another access network equipment calculates the user satisfaction of GBR business to the method for B1 according to above-mentioned A1.Access network equipment 1 can send to the information of residential quarter, place another access network equipment 2 like this, makes things convenient for another access network equipment 2 to determine the loading condition of residential quarter, access network equipment 1 place, thereby carries out load balancing.
Wherein the access network equipment of two equities of transmission resource state updating message or transmission response container message can be the equipment of homologous ray, also can be the equipment of different system.Such as: standard interface X2 can directly be passed through in two base stations in Long Term Evolution (Long Term Evolution, LTE) system, mutually sends above-mentioned resource status updating message; Also can communicate by core net, particularly, a base station in the LTE system by standard interface S1 send above-mentioned transmission response container message to core net such as mobile management entity (Mobility Management Entity, MME), by core net this transmission response container message is sent to another base station in the LTE system again.
Again such as, base station in the LTE system can communicate by the access network equipment of core net and other network system, wherein other system can be global system for mobile communications (Global System of Mobile communication, GSM), broadband CDMA system (Wideband Code Division Multiple Access, WCDMA) or the system such as code division multiple access (cdma) 2000 systems, particularly: a base station in the LTE system sends above-mentioned transmission response container message to core net by standard interface S1, again by core net by this transmission response container message being passed to the interdependent node of other system with the interface of other system, can pass through radio network information management process (RAN Information Management, RIM) realizes.
The embodiment of the invention also provides a kind of load-balancing method, it mainly is the load balancing of carrying out in each minizone of mobile communication system, the method of the present embodiment is that access network equipment in the residential quarter is such as performed methods such as base station or access points, flow chart comprises following content as shown in Figure 5.
301, obtain the professional Mean Speed of the subscriber equipment of any one or more type service in the residential quarter, particularly, obtain the Mean Speed of Non-GBR business in the residential quarter and/or the Mean Speed of GBR business.
The business of subscriber equipment can comprise that Non-GBR is professional and GBR is professional, access network equipment can short-term or the service rate of the subscriber equipment real income of the arbitrary type service of long-time statistical, professional Mean Speed then is actual total service rate of all subscriber equipmenies of a certain type service, ratio with the subscriber equipment number of the type business, particularly, the Mean Speed of Non-GBR professional (or GBR is professional) is total Non-GBR (or GBR) service rate of Non-GBR (or GBR) subscriber equipment real income and the ratio of Non-GBR subscriber equipment number.
302, according to the second strategy and the described professional Mean Speed of obtaining that presets, determine the loading condition of residential quarter, to carry out the equilibrium of cell load, particularly, represent the load of Non-GBR business in the residential quarter with the Mean Speed of Non-GBR business, or represent the load of GBR business in the residential quarter with the Mean Speed of GBR business, or represent the load of residential quarter with the weighted value sum of the Mean Speed of the Mean Speed of Non-GBR business and GBR business.
Here the second strategy that presets comprises: represent the load of respective type business in the residential quarter with the professional Mean Speed of the subscriber equipment of arbitrary type service; Or the speed overall average that obtains after the product addition with the professional Mean Speed of the subscriber equipment of each type service and respective weights value represents the load of residential quarter.Wherein can set the professional Mean Speed higher (or lower) of the subscriber equipment of a certain type service, then the load of the type business is lower in the residential quarter, and the speed overall average that obtains is higher, and then the load of residential quarter is lower.
Particularly, access network equipment is when determining cell load, if in 302, obtain the Mean Speed of Non-GBR business in the residential quarter and the Mean Speed of GBR business, then in 302 with the weighted value sum of the Mean Speed of the Mean Speed of Non-GBR business and GBR business, be the load of the value representation residential quarter that obtains after the product addition of the Mean Speed of the Mean Speed of Non-GBR business and GBR business and respective weights value, to carry out the equilibrium of cell load.
303, carry out the cell load equilibrium, namely according to load or the load of GBR business or the load of residential quarter of Non-GBR business, carry out the cell load equilibrium.
When carrying out cell load balanced, if in the current area, the professional Mean Speed of the subscriber equipment of arbitrary type service is less than the first preset value, or the speed overall average that obtains is less than the second preset value, then access network equipment can trigger the flow process of load balancing, particularly, the residential quarter that load in the neighbor cell is lower is as Target cell.Here the first preset value can be different from the second preset value.
As seen, in the load-balancing method of the embodiment of the invention, by obtaining the Mean Speed of Non-GBR business in the residential quarter and/or GBR business, and weigh the load of residential quarter with the Mean Speed of obtaining, thereby carry out the equilibrium of cell load, because professional Mean Speed is practical business speed average of subscriber equipment, like this when weighing the load of residential quarter, considered each subscriber equipment real income service rate, weighing load with in the prior art the utilance by PRB compares, the loading condition that the embodiment of the invention is determined more can reflect the actual access capability of residential quarter, thereby has saved the waste of local resource.
With reference to shown in Figure 6, below illustrate with a specific embodiment and the load-balancing method of the embodiment of the invention specifically to comprise following content.
401, access network equipment carries out scheduling of resource to subscriber equipment, and subscriber equipment is then professional according to the resource operation of access network equipment scheduling.
402, the utilance of PRB in the access network equipment statistics current area if the utilance of determining PRB in the current area then carries out 403 less than 100%, equals 100% if determine the utilance of PRB in the current area, then carries out 404.
403, access network equipment is determined the loading condition of current area according to the utilance of PRB, if high capacity, then triggers the flow process of load balancing.
404, access network equipment obtains the professional Mean Speed of the subscriber equipment of one or more type services in the residential quarter, and according to the professional Mean Speed of obtaining, determines the loading condition of residential quarter, comprises the loading condition of neighbor cell and current area.The concrete method of determining cell load is not given unnecessary details at this as described in the corresponding embodiment of Fig. 5.
405, carry out the process of load balancing according to the loading condition of determining.
When carrying out load balancing, access network equipment can select first PRB utilance in the neighbor cell less than 1 residential quarter as Target cell, if do not exist the PRB utilance less than 1 residential quarter, then access network equipment can be selected in the neighbor cell, select the weighted value sum of neighbor cell medium-rate and the weighted value sum of current area speed the residential quarter of certain difference (this difference can be preset in the access network equipment) to be arranged as Target cell, and part subscriber equipment in the current area switched to Target cell, the weighted value sum of its small area speed is the value that obtains after the product addition of the Mean Speed of the Mean Speed of Non-GBR business in the residential quarter and GBR business and respective weights value;
Or, access network equipment can be selected the Mean Speed of Non-GBR business in the neighbor cell or the Mean Speed of GBR business, the residential quarter that certain difference is arranged with the Mean Speed of the Mean Speed of Non-GBR business in the current area or GBR business is as Target cell, and the subscriber equipment of part Non-GBR business in the current area or GBR business is switched to Target cell.
Need to prove, in the load balancing process of reality, can not need to consider the PRB utilance of residential quarter, and directly determined the loading condition of residential quarter according to the corresponding embodiment of Fig. 5, and carry out load balancing.
In the process of above-mentioned load balancing, can mutually send the resource status updating message between the access network equipment of equity, in the resource status updating message, increase new cell; Or access network equipment can be transmitted to another reciprocity network side and equipment with the transmission response container message by core net, the new cell of increase in the transmission response container message.
In the resource status updating message, or can carry the Mean Speed of Non-GBR business and/or the information such as Mean Speed of GBR business in the new cell of transmission response container message increase, or in new cell, can carry the actual speed rate of Non-GBR business and the subscriber equipment number of this Non-GBR business, and/or, the information such as the subscriber equipment number of the actual speed rate of GBR business and this GBR business, make things convenient for like this another access network equipment to obtain the loading condition of residential quarter, current access network equipment place, thereby carry out load balancing.
Wherein the access network equipment of two equities of transmission resource state updating message or transmission response container message can be the equipment of homologous ray, also can be the equipment of different system.Such as: standard interface X2 can directly be passed through in two base stations in the LTE system, mutually sends above-mentioned resource status updating message; A base station in the LTE system also can send above-mentioned transmission response container message to the MME of core net by standard interface S1, by MME this transmission response container message is sent to another base station in the LTE system again.
Again such as, base station in the LTE system can communicate by the access network equipment of core net and other network system, wherein other system can be the systems such as GSM, WCDMA or cdma 2000, particularly: a base station in the LTE system sends above-mentioned transmission response container message to core net by standard interface S1, this transmission response container message is passed in other system by the interface with other system by core net again.
The embodiment of the invention provides a kind of access network equipment, such as the base station, or the equipment such as access point, structural representation comprises as shown in Figure 7:
Satisfaction acquiring unit 10, be used for obtaining the user satisfaction of at least a type service in the residential quarter, described user satisfaction comprises the practical business speed of subscriber equipment, ratio with restriction speed or guaranteed rate or the historical speed of corresponding service, particularly, be used for the user satisfaction of the non-assurance bit rate Non-GBR business in the residential quarter of obtaining and/or the user satisfaction of assurance bit rate GBR business;
Load represents unit 11, be used for the user satisfaction obtained according to the first strategy that presets and described satisfaction acquiring unit 10, determine the loading condition of residential quarter, particularly, be used for representing with the user satisfaction of described Non-GBR business the load of described Non-GBR business, or represent the load of described GBR business with the user satisfaction of described GBR business, perhaps represent the load of residential quarter with the weighted value sum of the user satisfaction of the user satisfaction of described Non-GBR business and described GBR business;
Described the first strategy that presets comprises: represent the load of respective type business in the residential quarter with the user satisfaction of arbitrary type service; Or the load of the value representation residential quarter that obtains after the product addition with the user satisfaction of each type service and respective weights value.
Particularly, when satisfaction acquiring unit 10, be used for the user satisfaction of the polytype business in the residential quarter of obtaining; Then Load Balance Unit 11, are used for the load of the load value indicating cell that obtains after the product addition with the user satisfaction of each type service and respective weights value just, to carry out the equilibrium of cell load.
Load Balance Unit 12 is used for representing according to described load load or the load of described GBR business or the load of described residential quarter of the Non-GBR business of unit 11 expressions, carries out the cell load equilibrium.
Wherein, a kind of type service can comprise that non-assurance bit rate Non-GBR is professional or guarantee that bit rate GBR is professional, and the user satisfaction of Non-GBR business comprises the actual speed rate of Non-GBR business, with the restriction speed of Non-GBR business or the ratio of historical Mean Speed; The user satisfaction of GBR business comprises the actual speed rate of GBR business, with the ratio of the guaranteed rate of GBR business.
In the access network equipment of the embodiment of the invention, obtain the user satisfaction of Non-GBR business in the residential quarter and/or the user satisfaction of GBR business by satisfaction acquiring unit 10, and represent that by load unit 11 weighs the load of residential quarter by the user satisfaction of obtaining, thereby carry out the equilibrium of cell load by Load Balance Unit 12, owing to comprising the actual speed rate that this is professional in the professional user satisfaction, ratio with restriction speed or guaranteed rate or the historical Mean Speed of corresponding service, like this when weighing the load of residential quarter, considered subscriber equipment real income service rate, with restriction speed or guaranteed rate or two factors of historical Mean Speed, weighing load with in the prior art the utilance by PRB compares, the loading condition that embodiment of the invention access network equipment is determined more can reflect the actual access capability of residential quarter, thereby has saved the waste of local resource.
With reference to shown in Figure 8, in a specific embodiment, satisfaction acquiring unit 10 in the access network equipment can be realized by service rate computing unit 110, average calculation unit 120 and the first satisfaction computing unit 130, and the access network equipment of the present embodiment is except comprising structure as shown in Figure 5, also comprise storage element 13 and updating block 14, particularly:
Service rate computing unit 110, the professional Mean Speed of Non-GBR that is used for non-assurance bit rate Non-GBR subscriber equipment in the calculation plot, here can be part or all of Non-GBR subscriber equipment, wherein part Non-GBR subscriber equipment can be the Non-GBR subscriber equipment that is in busy state in the residential quarter.
Service rate computing unit 110 can sort the actual Non-GBR service rate of Non-GBR subscriber equipment of statistics, and to select the lower individual subscriber equipment of N ' of Non-GBR service rate be the subscriber equipment of Idle state.
Average calculation unit 120 is used for the mean value T of the Non-GBR business polymerization maximum bit rate AMBR of Non-GBR subscriber equipment in the calculation plot I_sat, or the history average that obtains the Non-GBR service rate of Non-GBR subscriber equipment in the residential quarter is historical Mean Speed.
Average calculation unit 120 can be calculated for Non-GBR subscriber equipment in the residential quarter of short-term or long-time statistical, then T I_sat=(the professional AMBR of the Non-GBR of each Non-GBR subscriber equipment of ∑)/(Non-GBR subscriber equipment number).Its medium-term and long-term can for hour or minute rank.
Average calculation unit 120 is when obtaining history average, after the history value of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment of residential quarter in current statistical time range that storage element 13 can be stored and the first weighted value multiply each other, with, the product addition of the professional Mean Speed of the Non-GBR of Non-GBR subscriber equipment and the second weighted value obtains history average in the residential quarter of current statistical time range statistics; Wherein the first weighted value and the second weighted value sum are 1.
For example, if current statistical time range is 4 o'clock to 8 o'clock of Sunday, after then 4 o'clock to 8 o'clock the professional Mean Speed of Non-GBR multiplies each other with (1-λ) in the history average table on average calculation unit 120 day off that storage element 13 can be stored, obtain updating value with the product addition of the professional Mean Speed of the Non-GBR of current actual count and λ.
The first satisfaction computing unit 130, be used for the ratio of mean value of the professional AMBR of Non-GBR that the professional Mean Speed of Non-GBR that described service rate computing unit 110 is calculated and described average calculation unit 120 calculate as the user satisfaction of Non-GBR business, or the ratio of the history average of the professional Mean Speed of Non-GBR that described service rate computing unit 110 is calculated and 120 calculating of described average calculation unit is as the user satisfaction of Non-GBR business.
Storage element 13 is used for the history value of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment of storage cell.In storage element 13, can store the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment that access network equipment adds up from the Monday to the Sunday, store respectively 7 history average tables as shown in Figure 3, and in order to reduce memory space, 13 storages of storage element are for two mean value tables on working day and day off.
Updating block 14 is used for the history value of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment of residential quarter in current statistical time range that described storage element 13 stores is updated to described history average.
Updating block 14 can upgrade the history value that storage element 13 stores with the history average that average calculation unit 120 is calculated, can constantly update like this history value that storage element 13 stores.
In the access network equipment of the present embodiment, after the first satisfaction computing unit 130 in the satisfaction acquiring unit 10 obtains the user satisfaction of Non-GBR business, can be represented by load the load of Non-GBR business in the 11 expression residential quarters, unit, to carry out the process of load balancing.
With reference to shown in Figure 9, in another specific embodiment, access network equipment is except comprising structure as shown in Figure 5, can also comprise utilance determining unit 15 and information transmitting unit 16, wherein satisfaction acquiring unit 10 can pass through service rate computing unit 110, average calculation unit 120, the first satisfaction computing unit 130, the second satisfaction computing unit 140 and the 3rd satisfaction computing unit 150, particularly:
The second satisfaction computing unit 140 is used for the ratio of Non-GBR subscriber equipment number in the user satisfaction sum of each non-assurance bit rate Non-GBR subscriber equipment in the calculation plot and the residential quarter, as the user satisfaction of Non-GBR business in the residential quarter; The user satisfaction of each Non-GBR subscriber equipment is the actual Non-GBR service rate of this Non-GBR subscriber equipment, with the professional ratio that limits the historical Mean Speed of speed or Non-GBR business of the Non-GBR of this Non-GBR subscriber equipment;
The 3rd satisfaction computing unit 150, the first ratio that is used in the calculation plot GBR subscriber equipment number in each user satisfaction sum that guarantees bit rate GBR subscriber equipment and the residential quarter, or the second ratio of the professional guaranteed rate sum of GBR of the actual GBR service rate sum of interior each GBR subscriber equipment of calculation plot and each GBR subscriber equipment, with described the first ratio or the second ratio user satisfaction as GBR business in the residential quarter, wherein, the user satisfaction of each GBR subscriber equipment is the ratio of the professional guaranteed rate of GBR of the actual GBR service rate of this GBR subscriber equipment and this GBR subscriber equipment.
Utilance determining unit 15, be used for determining whether the utilance of the Physical Resource Block PRB in the current area equals 1, if so, then notify the user satisfaction that described satisfaction acquiring unit 10 obtains Non-GBR business in the residential quarter and/or guarantee the user satisfaction of bit rate GBR business.
Information transmitting unit 16 is used for sending the resource status updating message to another reciprocity access network equipment, or the transmission response container message is transmitted to another reciprocity access network equipment by core net; Comprise the user satisfaction of Non-GBR business or the user satisfaction of GBR business in described resource status updating message or the transmission response container message;
Or comprise the actual speed rate of Non-GBR business and the historical Mean Speed of the restriction speed of Non-GBR business or Non-GBR business.And the subscriber equipment number that can also comprise each type service, or the information such as total number of subscriber equipment in the residential quarter;
Or comprise the actual Non-GBR service rate of non-assurance bit rate Non-GBR subscriber equipment in the residential quarter, described Non-GBR subscriber equipment number, and the history average of the Non-GBR service rate of the mean value of the Non-GBR business polymerization maximum bit rate AMBR of Non-GBR subscriber equipment or Non-GBR subscriber equipment in the residential quarter;
Or comprise the user satisfaction sum of Non-GBR subscriber equipment in the residential quarter, with Non-GBR subscriber equipment number;
Or comprise the user satisfaction sum that guarantees bit rate GBR subscriber equipment in the residential quarter, with GBR subscriber equipment number;
Or comprise the actual speed rate of GBR business in the residential quarter, with the guaranteed rate of GBR business.
In the access network equipment of the present embodiment, utilance determining unit 14 can be determined first the PRB utilance of current area, if less than 1, then can be determined by Load Balance Unit 12 loading condition of current area according to the utilance of PRB.
If the PRB utilance of current area equals 1, then notify satisfaction acquiring unit 10 to obtain user satisfaction, particularly, can notify the 3rd satisfaction computing unit 150 to obtain the user satisfaction of GBR business, can also notify the first satisfaction computing unit 130 or the second satisfaction computing unit 140 to obtain the user satisfaction of Non-GBR business, and represent that by load unit 11 is according to the first satisfaction computing unit 130 or the second satisfaction computing unit 140, and/or the user satisfaction of the 3rd satisfaction computing unit 150 calculating, determine the loading condition of residential quarter, the loading condition that can comprise neighbor cell and current area carries out the process of load balancing with Load Balance Unit 12.In this case, Load Balance Unit 12 is when carrying out load balancing, can select that the weighted value sum of user satisfaction and weighted value sum and current area user satisfaction has the residential quarter of certain difference as Target cell in the neighbor cell, and certain customers' equipment of current area switched to Target cell, the weighted value sum of this user satisfaction is the user satisfaction of Non-GBR business in the residential quarter and the user satisfaction of GBR business, respectively with the product addition of respective weights value after the value that obtains; Load Balance Unit 12 can also be selected the user satisfaction of Non-GBR business in the neighbor cell or the user satisfaction of GBR business, the residential quarter that certain difference is arranged with the user satisfaction of the user satisfaction of Non-GBR business in the current area or GBR business is as Target cell, and the subscriber equipment of part the type business in the current area is switched to Target cell.
In another specific embodiment, if the PRB utilance of current area equals 1, can be selected in the neighbor cell by Load Balance Unit 12 first, the PRB utilance less than 1 residential quarter as Target cell, if there is no such residential quarter then obtains user satisfaction by satisfaction acquiring unit 10 again.
Need to prove, in the process of carrying out the cell load equilibrium, can determine by utilance determining unit 15 utilance of the Physical Resource Block PRB in the current area, and directly obtain professional satisfaction by satisfaction acquiring unit 10, and represented the loading condition of 11 definite residential quarters, unit by load after, Load Balance Unit 12 carries out the equilibrium of cell load.
In the present embodiment, access network equipment can also send to the information of current area by information transmitting unit 16 access network equipment of other residential quarters, to carry out load balancing.Wherein the access network equipment of these two equities can be in same system, also can be in different systems.
The embodiment of the invention also provides a kind of access network equipment, such as the base station, or the equipment such as access point, structural representation comprises as shown in figure 10:
Speed acquiring unit 20, for the professional Mean Speed of the subscriber equipment that obtains at least a type service in the residential quarter, the concrete Mean Speed that is used for the Mean Speed of the non-assurance bit rate Non-GBR business in the residential quarter of obtaining and/or guarantees bit rate GBR business;
Cell load represents unit 21, be used for the professional Mean Speed obtained according to the second strategy that presets and described speed acquiring unit 20, determine the loading condition of residential quarter, particularly, be used for representing with the Mean Speed of described Non-GBR business the load of Non-GBR business in the residential quarter, or represent the load of GBR business with the Mean Speed of GBR business, or represent the load of residential quarter with the weighted value sum of the Mean Speed of the Mean Speed of described Non-GBR business and GBR business;
Described the second strategy that presets comprises: represent the load of respective type business in the residential quarter with the professional Mean Speed of the subscriber equipment of arbitrary type service; Or the speed overall average that obtains after the product addition with the professional Mean Speed of the subscriber equipment of each type service and respective weights value represents the load of residential quarter.
Particularly, obtain the Mean Speed of Non-GBR business in the residential quarter and the Mean Speed of GBR business if work as speed acquiring unit 20; Then cell load represents unit 21, be used for the weighted value sum with the Mean Speed of the Mean Speed of Non-GBR business and GBR business, be the Mean Speed of GBR business and Non-GBR business Mean Speed respectively with the product addition of respective weights value after the load of the value representation residential quarter that obtains, to carry out the equilibrium of cell load.
Cell load balanced unit 22 is used for representing according to described cell load load or the load of described GBR business or the load of described residential quarter of the Non-GBR business of unit 21 expressions, carries out the cell load equilibrium.
In the access network equipment of the embodiment of the invention, through-rate acquiring unit 20 obtains the Mean Speed of Non-GBR business in the residential quarter and/or GBR business, cell load represents that unit 21 weighs the load of residential quarter with the Mean Speed of obtaining, thereby carry out the equilibrium of cell load by cell load balanced unit 22, because professional Mean Speed is practical business speed average of subscriber equipment, like this when weighing the load of residential quarter, considered each subscriber equipment real income service rate, weighing load with in the prior art the utilance by PRB compares, the loading condition that the embodiment of the invention is determined more can reflect the actual access capability of residential quarter, thereby has saved the waste of local resource.
With reference to as shown in figure 11, in a specific embodiment, the access network equipment of the embodiment of the invention can also comprise PRB utilance determining unit 23 and message sending unit 24 except comprising structure as shown in figure 10, wherein:
PRB utilance determining unit 23, be used for determining whether the utilance of the Physical Resource Block PRB in the current area equals 1, if so, then speed acquiring unit 20 obtains the Mean Speed of non-assurance bit rate Non-GBR business in the residential quarter and/or the Mean Speed of assurance bit rate GBR business;
Message sending unit 24 is used for sending the resource status updating message to another reciprocity access network equipment, or the transmission response container message is transmitted to another reciprocity access network equipment by core net; Comprise the Mean Speed of Non-GBR business and/or the Mean Speed of GBR business in described resource status updating message or the transmission response container message, or comprise the actual speed rate of Non-GBR business and the subscriber equipment number of this Non-GBR business, and/or, the subscriber equipment number of the actual speed rate of GBR business and this GBR business.
In the access network equipment of the embodiment of the invention, PRB utilance determining unit 23 can be determined first the PRB utilance of current area, if less than 1, then can be determined by cell load balanced unit 22 loading condition of current area according to the utilance of PRB.
If the PRB utilance of current area equals 1, then to notify speed acquiring unit 20 to obtain service rate, and represented the loading condition of 21 definite residential quarters, unit by cell load, cell load balanced unit 22 carries out the process of load balancing.Cell load balanced unit 22 is when carrying out load balancing, can select residential quarter that the weighted value sum of the weighted value sum of neighbor cell medium-rate and current area speed has certain difference as Target cell, the weighted value sum of its medium-rate be the Mean Speed of Non-GBR business in the residential quarter and GBR business Mean Speed respectively with the product addition of respective weights value after the speed overall average that obtains;
Load determines that balanced unit 21 is when carrying out load balancing, can also select the Mean Speed of Non-GBR business in the neighbor cell or the Mean Speed of GBR business, the residential quarter of certain difference be arranged as Target cell with the Mean Speed of Non-GBR business in the current area or the Mean Speed of GBR business.
In another specific embodiment, if the PRB utilance of current area equals 1, can be selected in the neighbor cell by cell load balanced unit 22 first, the PRB utilance less than 1 residential quarter as Target cell, if there is no such residential quarter, then through-rate acquiring unit 20 obtains professional Mean Speed again.
In the present embodiment, access network equipment can also send to the information of current area by message sending unit 24 access network equipment of other residential quarters, to carry out load balancing.Wherein the access network equipment of these two equities can be in same system, also can be in different systems.
Need to prove, cell load balanced unit 22 is in the process of carrying out the cell load equilibrium, can determine by PRB utilance determining unit 23 utilance of the Physical Resource Block PRB in the current area, and directly through-rate acquiring unit 20 obtains average traffic speed, and represented the loading condition of 21 definite residential quarters, unit by cell load after, cell load balanced unit 22 carries out the equilibrium of cell load.
In sum, in a kind of load-balancing method of the embodiment of the invention, user satisfaction by obtaining Non-GBR business in the residential quarter and/or user satisfaction or the Mean Speed of GBR business, and the load of weighing the residential quarter with the user satisfaction obtained or Mean Speed, thereby carry out the equilibrium of cell load.Owing to comprising professional actual speed rate in the service-user satisfaction, ratio with restriction speed or guaranteed rate or the historical Mean Speed of corresponding service, and professional Mean Speed is the average of this business actual speed rate, like this when weighing the load of residential quarter, consider subscriber equipment real income service rate and limited speed or guaranteed rate or two factors of historical Mean Speed, or considered each subscriber equipment real income service rate, more can reflect the actual access capability of residential quarter, thereby save the waste of local resource.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the relevant hardware of instruction finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: read-only memory (ROM), random access memory (RAM), disk or CD etc.
Above load-balancing method and the access network equipment that the embodiment of the invention is provided, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (21)

1. a load-balancing method is characterized in that, comprising:
Obtain the user satisfaction of non-assurance bit rate Non-GBR business in the residential quarter and/or the user satisfaction of assurance bit rate GBR business;
Represent the load of described Non-GBR business or represent the load of described GBR business or represent the load of described residential quarter with the weighted value sum of the user satisfaction of the user satisfaction of described Non-GBR business and described GBR business with the user satisfaction of described GBR business with the user satisfaction of described Non-GBR business;
According to load or the load of described GBR business or the load of described residential quarter of described Non-GBR business, carry out the cell load equilibrium;
The user satisfaction of described Non-GBR business comprises the actual speed rate and the ratio that limits speed of described Non-GBR business, or the ratio of the actual speed rate of described Non-GBR business and historical Mean Speed;
The user satisfaction of described GBR business comprises the actual speed rate of described GBR business and the ratio of guaranteed rate.
2. the method for claim 1 is characterized in that, the described user satisfaction of obtaining Non-GBR business in the residential quarter comprises:
Calculate the Mean Speed of the Non-GBR business of Non-GBR subscriber equipment in the described residential quarter;
Calculate the mean value of the Non-GBR business polymerization maximum bit rate AMBR of Non-GBR subscriber equipment in the described residential quarter, or obtain the history average of the Non-GBR service rate of Non-GBR subscriber equipment in the described residential quarter;
With the ratio of the mean value of the Mean Speed of described Non-GBR business and the professional AMBR of the described Non-GBR user satisfaction as described Non-GBR business, or with the ratio of the Mean Speed of described Non-GBR business and the described history average user satisfaction as described Non-GBR business.
3. method as claimed in claim 2 is characterized in that, the described history average that obtains the Non-GBR service rate of Non-GBR subscriber equipment in the described residential quarter comprises:
With the history value of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment in the described residential quarter in current statistical time range of storage and the product of the first weighted value, with the Mean Speed of the Non-GBR business of Non-GBR subscriber equipment in the described residential quarter of adding up in the current statistical time range and the product addition of the second weighted value, obtain described history average; Described the first weighted value and the second weighted value sum are 1.
4. method according to claim 3 is characterized in that, described method also comprises: the history value of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment in the described residential quarter in current statistical time range of described storage is updated to described history average.
5. the method for claim 1 is characterized in that, the described user satisfaction of obtaining Non-GBR business in the residential quarter comprises:
The ratio of Non-GBR subscriber equipment number in the user satisfaction sum of each Non-GBR subscriber equipment and the residential quarter in the calculation plot is as the user satisfaction of Non-GBR business in the residential quarter;
The user satisfaction of each Non-GBR subscriber equipment is the actual Non-GBR service rate of this Non-GBR subscriber equipment, with the professional ratio that limits the historical Mean Speed of speed or Non-GBR business of the Non-GBR of this Non-GBR subscriber equipment.
6. the method for claim 1 is characterized in that, the described user satisfaction of obtaining GBR business in the residential quarter comprises:
The first ratio of GBR subscriber equipment number in the user satisfaction sum of each GBR subscriber equipment and the residential quarter in the calculation plot, or the second ratio of the professional guaranteed rate sum of GBR of the actual GBR service rate sum of interior each GBR subscriber equipment of calculation plot and each GBR subscriber equipment, wherein:
The user satisfaction of each GBR subscriber equipment is the ratio of the professional guaranteed rate of GBR of the actual GBR service rate of this GBR subscriber equipment and this GBR subscriber equipment;
With described the first ratio or the second ratio user satisfaction as GBR business in the residential quarter.
7. such as each described method of claim 1 to 6, it is characterized in that, before the described user satisfaction of obtaining any type in the residential quarter or polytype business, also comprise:
Whether the utilance of determining the Physical Resource Block PRB in the current area equals 1, if so, then carries out the described user satisfaction of obtaining Non-GBR business in the residential quarter, and/or the user satisfaction of GBR, and represents load, carries out the step of load balancing; Whether less than 1, then determine the loading condition of current area if determine the utilance of the Physical Resource Block PRB in the current area according to the utilance of described PRB.
8. such as each described method of claim 1 to 6, it is characterized in that, described method also comprises:
Send the resource status updating message to the access network equipment of equity, or the transmission response container message is transmitted to the access network equipment of equity by core net; Comprise the user satisfaction of described Non-GBR business or the user satisfaction of described GBR business in described resource status updating message or the transmission response container message;
Or comprise the actual speed rate of described Non-GBR business and the restriction speed of described Non-GBR business or historical Mean Speed;
Or comprise the history average of the Non-GBR service rate of the mean value of Non-GBR business polymerization maximum bit rate AMBR of Non-GBR subscriber equipment in the actual Non-GBR service rate of Non-GBR subscriber equipment in the described residential quarter, described Non-GBR subscriber equipment number and the described residential quarter or Non-GBR subscriber equipment;
Or comprise the user satisfaction sum of Non-GBR subscriber equipment in the described residential quarter and Non-GBR subscriber equipment number;
Or comprise the user satisfaction sum of GBR subscriber equipment in the described residential quarter and GBR subscriber equipment number;
Or comprise the guaranteed rate of actual speed rate and the GBR business of GBR business in the described residential quarter.
9. a load-balancing method is characterized in that, comprising:
Obtain the Mean Speed of non-assurance bit rate Non-GBR business in the residential quarter and/or the average traffic speed of assurance bit rate GBR business;
Represent the load of described Non-GBR business with the Mean Speed of described Non-GBR business, or represent the load of described GBR business with the Mean Speed of described GBR business, or represent the load of described residential quarter with the weighted value sum of the Mean Speed of the Mean Speed of described Non-GBR business and described GBR business;
According to load or the load of described GBR business or the load of described residential quarter of described Non-GBR business, carry out the cell load equilibrium.
10. method as claimed in claim 9 is characterized in that, before the Mean Speed of the described Mean Speed of obtaining Non-GBR business in the residential quarter and/or GBR business, also comprises:
Whether the utilance of determining the Physical Resource Block PRB in the current area equals 1, if so, then carries out the described Mean Speed of Non-GBR business in the residential quarter and/or the average traffic speed of GBR business obtained, and represents the step that the cell load equilibrium is carried out in load; Less than 1, then determine the loading condition of current area if determine the utilance of the Physical Resource Block PRB in the current area according to the utilance of described PRB.
11. such as claim 9 or 10 described methods, it is characterized in that, described method also comprises:
Send the resource status updating message to the access network equipment of equity, or the transmission response container message is transmitted to the access network equipment of equity by core net; Comprise in described resource status updating message or the transmission response container message: the Mean Speed of the Mean Speed of Non-GBR business and/or GBR business,
Or comprise: the subscriber equipment number of the actual speed rate of described Non-GBR business and this Non-GBR business, and/or, the subscriber equipment number of the actual speed rate of described GBR business and this GBR business.
12. an access network equipment is characterized in that, comprising: satisfaction acquiring unit, load represent unit and Load Balance Unit, wherein:
Described satisfaction acquiring unit is used for the user satisfaction of the non-assurance bit rate Non-GBR business in the residential quarter of obtaining and/or the user satisfaction of assurance bit rate GBR business;
Described load represents the unit, be used for representing with the user satisfaction of described Non-GBR business the load of described Non-GBR business, or represent the load of described GBR business with the user satisfaction of described GBR business, perhaps represent the load of residential quarter with the weighted value sum of the user satisfaction of the user satisfaction of described Non-GBR business and described GBR business;
Described Load Balance Unit is used for load or the load of described GBR business or the load of described residential quarter according to described Non-GBR business, carries out the cell load equilibrium;
Wherein, the user satisfaction of described Non-GBR business comprises the actual speed rate of Non-GBR business, with the restriction speed of Non-GBR business or the ratio of historical Mean Speed;
The user satisfaction of described GBR business comprises the ratio of the guaranteed rate of the actual speed rate of GBR business and GBR business.
13. equipment as claimed in claim 12 is characterized in that, described satisfaction acquiring unit specifically comprises:
The service rate computing unit is for the professional Mean Speed of the Non-GBR that calculates non-assurance bit rate Non-GBR subscriber equipment in the described residential quarter;
Average calculation unit is used for calculating the mean value of the Non-GBR business polymerization maximum bit rate AMBR of Non-GBR subscriber equipment in the described residential quarter, or obtains the history average of the Non-GBR service rate of Non-GBR subscriber equipment in the described residential quarter;
The first satisfaction computing unit, be used for the ratio of mean value of the professional AMBR of Non-GBR that the professional Mean Speed of Non-GBR that described service rate computing unit is calculated and described average calculation unit calculate as the user satisfaction of Non-GBR business, or the ratio of the history average of the professional Mean Speed of Non-GBR that described service rate computing unit is calculated and the calculating of described average calculation unit is as the user satisfaction of Non-GBR business.
14. equipment as claimed in claim 13 is characterized in that, also comprises:
Storage element is used for the history value of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment of storage cell;
Updating block is used for the history value of the professional Mean Speed of Non-GBR of the Non-GBR subscriber equipment of residential quarter in current statistical time range of described storage unit stores is updated to the history average that described average calculation unit is calculated.
15. equipment as claimed in claim 12 is characterized in that, described satisfaction acquiring unit specifically comprises:
The second satisfaction computing unit is used for the ratio of Non-GBR subscriber equipment number in the user satisfaction sum of each non-assurance bit rate Non-GBR subscriber equipment in the calculation plot and the residential quarter, as the user satisfaction of Non-GBR business in the residential quarter; The user satisfaction of each Non-GBR subscriber equipment is the actual Non-GBR service rate of this Non-GBR subscriber equipment, with the professional ratio that limits the historical Mean Speed of speed or Non-GBR business of the Non-GBR of this Non-GBR subscriber equipment.
16. equipment as claimed in claim 12 is characterized in that, described satisfaction acquiring unit specifically comprises:
The second satisfaction computing unit, the first ratio that is used in the calculation plot GBR subscriber equipment number in each user satisfaction sum that guarantees bit rate GBR subscriber equipment and the residential quarter, or the second ratio of the professional guaranteed rate sum of GBR of the actual GBR service rate sum of interior each GBR subscriber equipment of calculation plot and each GBR subscriber equipment, with described the first ratio or the second ratio user satisfaction as GBR business in the residential quarter, wherein, the user satisfaction of each GBR subscriber equipment is the ratio of the professional guaranteed rate of GBR of the actual GBR service rate of this GBR subscriber equipment and this GBR subscriber equipment.
17. such as each described equipment of claim 12 to 16, it is characterized in that, also comprise:
The utilance determining unit, be used for determining whether the utilance of the Physical Resource Block PRB in the current area equals 1, if so, then notify the user satisfaction that described satisfaction acquiring unit obtains Non-GBR business in the residential quarter and/or guarantee the user satisfaction of bit rate GBR business;
Described Load Balance Unit, the utilance that also is used for determining the Physical Resource Block PRB in the current area when described utilance determining unit is then determined the loading condition of current area, to carry out load balancing less than 1 according to the utilance of PRB.
18. such as each described equipment of claim 12 to 17, it is characterized in that, also comprise:
Information transmitting unit is used for sending the resource status updating message to another reciprocity access network equipment, or the transmission response container message is transmitted to another reciprocity access network equipment by core net; Comprise the user satisfaction of Non-GBR business or the user satisfaction of GBR business in described resource status updating message or the transmission response container message;
Or comprise the actual speed rate of Non-GBR business and the restriction speed of Non-GBR business or historical Mean Speed;
Or comprise the actual Non-GBR service rate of non-assurance bit rate Non-GBR subscriber equipment in the described residential quarter, described Non-GBR subscriber equipment number, and the history average of the Non-GBR service rate of the mean value of the Non-GBR business polymerization maximum bit rate AMBR of Non-GBR subscriber equipment or Non-GBR subscriber equipment in the described residential quarter;
Or comprise the user satisfaction sum of Non-GBR subscriber equipment in the described residential quarter, with Non-GBR subscriber equipment number;
Or comprise the user satisfaction sum that guarantees bit rate GBR subscriber equipment in the described residential quarter, with GBR subscriber equipment number;
Or comprise the guaranteed rate of actual speed rate and the GBR business of GBR business in the described residential quarter.
19. an access network equipment is characterized in that, comprising: speed acquiring unit, cell load represent unit and cell load balanced unit, wherein:
Described speed acquiring unit is used for the Mean Speed of the non-assurance bit rate Non-GBR business in the residential quarter of obtaining and/or the Mean Speed of assurance bit rate GBR business;
Described cell load represents the unit, be used for representing with the Mean Speed of described Non-GBR business the load of Non-GBR business in the residential quarter, or represent the load of GBR business with the Mean Speed of GBR business, or represent the load of residential quarter with the weighted value sum of the Mean Speed of the Mean Speed of described Non-GBR business and GBR business;
Described cell load balanced unit is used for load or the load of described GBR business or the load of described residential quarter according to described Non-GBR business, carries out the cell load equilibrium.
20. equipment as claimed in claim 19 is characterized in that, also comprises:
PRB utilance determining unit, be used for determining whether the utilance of the Physical Resource Block PRB in the current area equals 1, if so, then described speed acquiring unit obtains the Mean Speed of non-assurance bit rate Non-GBR business in the residential quarter and/or the Mean Speed of assurance bit rate GBR business;
Described cell load balanced unit, the utilance that also is used for determining the Physical Resource Block PRB in the current area when described PRB utilance determining unit is then determined the loading condition of current area less than 1 according to the utilance of described PRB.
21. such as claim 19 or 20 described equipment, it is characterized in that, also comprise:
Message sending unit is used for sending the resource status updating message to another reciprocity access network equipment, or the transmission response container message is transmitted to another reciprocity access network equipment by core net; Comprise the Mean Speed of Non-GBR business and/or the Mean Speed of GBR business in described resource status updating message or the transmission response container message;
Or comprise the actual speed rate of Non-GBR business and the subscriber equipment number of this Non-GBR business, and/or, the subscriber equipment number of the actual speed rate of GBR business and this GBR business.
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