CN106817728A - A kind of load-balancing method and device - Google Patents
A kind of load-balancing method and device Download PDFInfo
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- CN106817728A CN106817728A CN201510864377.6A CN201510864377A CN106817728A CN 106817728 A CN106817728 A CN 106817728A CN 201510864377 A CN201510864377 A CN 201510864377A CN 106817728 A CN106817728 A CN 106817728A
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- speech business
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/22—Performing reselection for specific purposes for handling the traffic
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- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of load-balancing method and device.In the method, the speech business number of users in detection cell-of-origin, if the speech business number of users in the cell-of-origin exceedes the speech business number of users equilibrium thresholding of the cell-of-origin, performs following steps：Determine to need in the cell-of-origin speech business number of users of switching, and admissible speech business number of users in the common covering adjacent area of the cell-of-origin；According to the speech business number of users that switching is needed in the cell-of-origin, and admissible speech business number of users in the common covering adjacent area of the cell-of-origin, the common covering adjacent area that speech business user is switched to the cell-of-origin will be switched the need in the cell-of-origin.The problems such as present invention solves time delay, packet loss, the shake of the speech business that the speech business number of users present in prior art in same cell is excessively caused.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of load-balancing method and device.
Background technology
The problem of the voice transfer in LTE (Long Term Evolution, Long Term Evolution) network, commonly uses
LTE network is direct transferred, i.e. VoLTE (Voice over LTE, the speech business in LTE network) is solved,
VoLTE realizes high-quality sound, the video calling being carried in LTE network.With the big rule of VoLTE
Mould is commercial, and VoLTE speech businesses number of users necessarily experiences a fast-developing phase and deposits on a large scale in a network
.
In LTE system, the maximum VoLTE speech businesses number of users that system is supported is limited to single sub-frame
Dispatching and systematic function.For TD-LTE system, because of the few structure configuration of its sub-frame of uplink, more
It is limited to ascending resource.When the speech business number of users in same cell reaches certain amount, speech business
Quality will be unable to be protected, it is therefore desirable to carry out load balancing.
Current load balancing does not consider VoLTE speech business users individually, it is impossible to fully meet VoLTE
The demand of speech business user, so need to carry out load balance process for speech business user, to solve
Time delay, packet loss, the shake of the speech business for needing the speech business number of users in same cell excessive and causing
The problems such as.
The content of the invention
The embodiment of the present invention provides a kind of load-balancing method and device, is used to solve the voice in same cell
The problem of service-user load balancing.
A kind of load-balancing method that one embodiment of the present of invention is provided, including：
Speech business number of users in detection cell-of-origin, if the speech business number of users in the cell-of-origin
More than the speech business number of users equilibrium thresholding of the cell-of-origin, then following steps are performed：
Determine to need in the cell-of-origin speech business number of users of switching, and the cell-of-origin is covered altogether
Admissible speech business number of users in lid adjacent area；
Covered altogether according to the speech business number of users that switching is needed in the cell-of-origin, and the cell-of-origin
Admissible speech business number of users in lid adjacent area, uses speech business is switched the need in the cell-of-origin
Family is switched to the common covering adjacent area of the cell-of-origin.
A kind of load balancing apparatus that one embodiment of the present of invention is provided, including：
Detection module, for detecting the speech business number of users in cell-of-origin, if the language in the cell-of-origin
Sound business number of users exceedes the speech business number of users equilibrium thresholding of the cell-of-origin, it indicates that determining module
Operation is performed with handover module；
Determining module, the speech business number of users for determining to need in the cell-of-origin switching, Yi Jisuo
State admissible speech business number of users in the common covering adjacent area of cell-of-origin；
Handover module, for according to the speech business number of users that switching is needed in the cell-of-origin, Yi Jisuo
Admissible speech business number of users in the common covering adjacent area of cell-of-origin is stated, the need in the cell-of-origin
Switching speech business user is switched to the common covering adjacent area of the cell-of-origin.
In the above embodiment of the present invention, if the speech business number of users in cell-of-origin exceedes the cell-of-origin
Speech business number of users equilibrium thresholding, then according to needed in cell-of-origin switching speech business number of users with
And admissible speech business number of users in the common covering adjacent area of cell-of-origin, will switch the need in cell-of-origin
Speech business user is switched to the common covering adjacent area of cell-of-origin, is used so as to avoid speech business in same cell
Amount amount is excessive, and the speech service quality in turn resulting in declines, and time delay, packet loss, shake, Jin Erying occurs
Ring the problem that user perceives.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, institute in being described to embodiment below
The accompanying drawing for needing to use is briefly introduced, it should be apparent that, drawings in the following description are only of the invention
Some embodiments, for one of ordinary skill in the art, are not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of load-balancing method provided in an embodiment of the present invention；
Fig. 2 is a kind of load balancing apparatus provided in an embodiment of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing to this hair
It is bright to be described in further detail, it is clear that described embodiment is only some embodiments of the invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out all other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
The priority of LTE network voice is higher than 2G/3G networks, therefore, in order to keep the quality of speech business,
Balance policy when considering to carry out the load balancing of VoLTE voice users first in consideration system.
It is a kind of schematic flow sheet of load-balancing method provided in an embodiment of the present invention referring to Fig. 1, such as schemes
Shown, the flow may include following steps：
Step 101：Speech business number of users in the detection cell-of-origin of base station.
In VoLTE applications, speech business user refers to that foundation has QCI (Quality of Service Class
Identifier, service quality rating mark)=1 carrying user.
QCI is a scale value, and SDF (Service Data Flow, clothes are specifically supplied to for weighing
Business data flow) bag forwarding behavior, such as packet loss, Packet Delay Budget etc..Wherein, the carrying of QCI=1 is used
In service voice call.
Step 102：Base station judges whether the speech business number of users in cell-of-origin exceedes the language of the cell-of-origin
Sound business number of users equilibrium thresholding.If exceeding, step 103 is transferred to；Otherwise, it is transferred to step 101.
Because the speech business number of users that a cell can be supported is limited simultaneously, if in a cell
Speech business user when exceeding certain amount, possibly cannot ensure the MOS (Mean of speech business user
Opinion Score, average opinion value), there is the problems such as time delay, packet loss, shake of speech business.
In international standard, it is unified using MOS values come that evaluation system receives through the speech after overcompression
Quality, wherein, 5 represent excellent, and 4 represent good, and 3 represent fine, and 2 represent poor, and 1 represents bad.If from
The notice degree of voice needs is not heard to weigh：5 indicate without should be noted and can not hear；4 represent needs one
Point notice can just not heard；3 represent that the certain notice of needs can just not heard；2 represent the suitable note of needs
Meaning power can just be heard reluctantly；1 represents how to note also being difficult to not hear.
It is that cell sets a speech business number of users equilibrium to ensure the voice quality of speech business user
Thresholding.When the speech business number of users in a cell exceedes this speech business number of users equilibrium thresholding
When, then it is assumed that the cell cannot ensure the voice quality of the speech business user in the cell, it is necessary to language
Sound user carries out load balancing.It is alternatively possible to the difference configuration according to different districts, is respectively provided with difference
Speech business number of users equilibrium thresholding, or different districts set identical speech business number of users it is equal
Weighing apparatus thresholding, the present invention is without limitation.
Step 103：Base station determines to need the speech business number of users of switching, and cell-of-origin in cell-of-origin
Common covering adjacent area in admissible speech business number of users.
Specifically, the speech business number of users of switching is needed to be used for the speech business in cell-of-origin in cell-of-origin
The difference of amount amount thresholding balanced with the speech business number of users of cell-of-origin.
Specifically, can be by admissible speech business number of users in the determination of following methods altogether covering adjacent area
Amount：
If the speech business number of users equilibrium thresholding of the common covering adjacent area of cell-of-origin is covered in adjacent area altogether more than this
Speech business number of users, then this is covered altogether adjacent area speech business number of users equilibrium threshold value be total to this
The difference of the speech business number of users in covering adjacent area, is defined as this and covers admissible voice in adjacent area altogether
Service-user quantity.
If the speech business number of users equilibrium thresholding of the common covering adjacent area of cell-of-origin is less than or equal to the common covering
Speech business number of users in adjacent area, illustrates that this covers adjacent area and is also required to bear speech business user altogether
Carry balanced, it is impossible to receive the incision of cell-of-origin speech business user, i.e., this covers admissible language in adjacent area altogether
Sound business number of users is zero.
Adjacent area is covered according to the above method altogether for each and determines its admissible speech business number of users.
Step 104：Base station is according to the speech business number of users that switching is needed in cell-of-origin, and cell-of-origin
Common covering adjacent area in admissible speech business number of users, speech business will be switched the need in cell-of-origin
User is switched to the common covering adjacent area of cell-of-origin.
Specifically, in above-mentioned steps, if the speech business number of users that switching is needed in cell-of-origin is N,
Admissible speech business number of users sum is M in all adjacent areas of covering altogether of cell-of-origin, and N is with M
Integer more than or equal to 1, and N<=M, then cut the institute switching speech business user in need in cell-of-origin
Change to the common covering adjacent area of cell-of-origin；If N>M, then need the part in cell-of-origin to switch speech business
User is switched to the common covering adjacent area of cell-of-origin, needs switching speech business user to be switched to other part different
System adjacent cell.
If admissible voice user's quantity M is zero in all adjacent areas of covering altogether, or cell-of-origin does not exist
Adjacent area is covered altogether, then the switching user in need of institute in cell-of-origin is switched to different system adjacent cell.
Preferably, above-mentioned base station is small according to the speech business number of users that switching is needed in cell-of-origin, and source
Admissible speech business number of users in the common covering adjacent area in area, voice industry will be switched the need in cell-of-origin
Business user is switched to the common covering adjacent area of cell-of-origin, and its specific implementation is as follows：
According to the speech business number of users that switching is needed in cell-of-origin, and in the common covering adjacent area of cell-of-origin
Admissible speech business number of users, determines to need to be switched to the common covering adjacent area of cell-of-origin in cell-of-origin
Speech business number of users.Here, the voice of the common covering adjacent area to need to be switched to cell-of-origin in cell-of-origin
Service-user quantity be K as a example by, in N<In the case of=M, K=N, in N>In the case of M, K=M,
Hereafter speech business user switching can be performed according to the coverage condition of the common covering adjacent area of cell-of-origin, can be specifically wrapped
Include following situation：
Situation 1：If the common covering adjacent area of cell-of-origin is the adjacent area covered altogether completely with the cell-of-origin, obtain
The speech business user of A2 measurement reports was not reported in cell-of-origin.If not reporting A2 to survey in cell-of-origin
The quantity of the speech business user for measuring report is more than or equal to K, then never reported the language of A2 measurement reports
K speech business user is selected to be switched to the adjacent area covered altogether completely with cell-of-origin in sound business user；It is no
Then, all M1 in cell-of-origin were not reported the speech business user and other M2 of A2 measurement reports
The individual speech business user for reporting A2 measurement reports is switched to the adjacent area covered altogether completely with cell-of-origin；Its
Middle M1 and M2 are the integer more than or equal to 1, and M1+M2=K.
Wherein, reporting of user A2 measurement reports are triggered by event, if the service of the user currently connection is small
RSRP (Reference Signal Receiving Power, the Reference Signal Received Power) value in area is less than thresholding
During value, reporting of user A2 measurement reports.
When the speech business user of switching will be needed to switch to the common covering adjacent area of cell-of-origin, do not causing to cover altogether
In the case that speech business user in lid adjacent area exceedes its speech business number of users equilibrium thresholding, will can need
What the speech business user to be switched switched to one or more cell-of-origins covers adjacent area altogether completely.
Alternatively, it would be desirable to which the speech business user for being switched to the common covering adjacent area of cell-of-origin passes through blind handover side
What formula was switched to cell-of-origin covers adjacent area altogether completely.Generally, switching is divided into three phases, that is, measure,
Judgement, execution.And blind handover refers to the switching performed in the case of without metrical information, i.e., not to target
Cell is measured, as long as the level or quality of cell-of-origin are reduced to threshold value, just starts switching flow,
With the negative effect saved time of measuring, avoid compact model from bringing.
Situation 2：If the common covering adjacent area of cell-of-origin is part covering adjacent area, to K language in cell-of-origin
Sound business user configuring A4 is measured；Wherein, if not reporting the voice industry of A2 measurement reports in cell-of-origin
Business number of users is M1, M1<K, then reported the speech business user of A2 measurement reports to match somebody with somebody to M2
A4 measurements are put, M1 and M2 is the integer more than or equal to 1, and M1+M2=K.Needed receiving
After the A4 measurement reports of the speech business reporting of user to be switched, if the speech business in current source cell is used
Amount amount exceedes the speech business number of users equilibrium thresholding of cell-of-origin, then will currently report A4 measurement reports
Speech business user is switched to the adjacent area covered with cell-of-origin part.
Wherein, reporting of user A4 measurement reports are triggered by event, if the RSRP of adjacent area is more than threshold value,
Reporting of user A4 measurement reports.
When the speech business user of switching will be needed to switch to the common covering adjacent area of cell-of-origin, do not causing to cover altogether
In the case that speech business user in lid adjacent area exceedes its speech business number of users equilibrium thresholding, will can need
The part that the speech business user to be switched switches to one or more cell-of-origins covers adjacent area altogether.
Preferably, all speech business users in cell-of-origin are carried out into packet sequencing.By all languages in cell-of-origin
Sound business user was according to whether reported A2 measurement reports to be divided into two groups.In each group, according to voice industry
Business the equivalent PRB of user's up-downgoing (Physical Resource Block, Physical Resource Block) utilization rates by it is low to
Order high is ranked up, PRB utilization rates identical speech business user equivalent for up-downgoing, carries out
It is randomly ordered.When load balancing is carried out to speech business user, the equivalent PRB profits of prioritizing selection up-downgoing
With the low speech business user of rate.If speech business user does not report A2 measurement reports, illustrate the user's
Signal quality preferably, then the user switch to completely altogether covering adjacent area after signal quality it is also preferable.Therefore,
Preferentially the speech business user of A2 measurement reports will not reported to be switched to cover adjacent area altogether entirely, ensure that and cut
Change power into.The equivalent PRB utilization rates of up-downgoing are used to reflect that user takes the feelings of Radio Resource in systems
Condition, utilization rate is lower, illustrates that the Radio Resource of CU is fewer, and handoff procedure is relatively easy, therefore,
The low user of preferential switching utilization rate.
Illustrate, if do not reported in cell-of-origin A2 measurement reports speech business number of users be more than or
Equal to the speech business number of users K for needing switching, then selection in the group of A2 measurement reports was never reported
(i.e. the equivalent PRB utilization rates of up-downgoing are low) the K speech business user being arranged in front switches over；
If not reporting the speech business number of users of A2 measurement reports in cell-of-origin less than the voice industry for needing switching
Business number of users, then all M1 speech business users were carried out in not reporting the group of A2 measurement reports
Switching, then selected the M2 speech business users being arranged in front to enter from the group of A2 measurement reports was reported
Row switching.
In the above embodiment of the present invention, if the speech business number of users in cell-of-origin exceedes the language of cell-of-origin
Sound business number of users equilibrium thresholding, then according to the speech business number of users and source that switching is needed in cell-of-origin
Admissible speech business number of users in the common covering adjacent area of cell, will switch voice the need in cell-of-origin
Service-user is switched to the common covering adjacent area of cell-of-origin, so as to avoid speech business number of users in same cell
Amount is excessive, and the speech service quality for causing declines, and the problems such as time delay, packet loss, shake, Jin Erying occurs
User is rung to perceive.
Based on identical technology design, the embodiment of the present invention also provides a kind of load balancing apparatus, and the device can
Perform above method embodiment.The device can be a kind of device on a kind of base station, or base station,
The present invention is without limitation.
It is the structural representation of load balancing apparatus provided in an embodiment of the present invention referring to Fig. 2, as illustrated,
The base station includes：Detection module 201, determining module 202 and handover module 203, further, the base
Standing can also include configuration module 204.
Detection module 201：For detecting the speech business number of users in cell-of-origin, if the language in cell-of-origin
Sound business number of users exceedes the speech business number of users equilibrium thresholding of cell-of-origin, it indicates that determining module and cut
Mold changing block performs operation.
Determining module 202, the speech business number of users for determining to need in cell-of-origin switching, Yi Jiyuan
Admissible speech business number of users in the common covering adjacent area of cell.
Handover module 203, for according to the speech business number of users that switching is needed in cell-of-origin, Yi Jiyuan
Admissible speech business number of users in the common covering adjacent area of cell, will switch voice the need in cell-of-origin
Service-user is switched to the common covering adjacent area of cell-of-origin.
Configuration module 204, in the case of in the common covering adjacent area of cell-of-origin for part covering adjacent area, to
Speech business user configuring A4 measurements in cell-of-origin.
In VoLTE applications, speech business user refers to the user for setting up the carrying for having QCI=1.
It is the speech business user in cell-of-origin that the speech business number of users of switching is needed in above-mentioned cell-of-origin
The difference of quantity thresholding balanced with the speech business number of users of cell-of-origin.
Specifically, above-mentioned determining module 202, can determine be received in covering adjacent area altogether by following methods
Speech business number of users：
If the speech business number of users equilibrium thresholding of the common covering adjacent area of cell-of-origin is covered in adjacent area altogether more than this
Speech business number of users in the case of, this is covered altogether adjacent area speech business number of users equilibrium threshold value
Cover the difference of the speech business number of users in adjacent area altogether with this, be defined as admissible in common covering adjacent area
Speech business number of users.
Specifically, above-mentioned handover module 203, needed in cell-of-origin switching speech business number of users be
N, in the common covering adjacent area of cell-of-origin admissible speech business number of users for M, N and M be more than etc.
In 1 integer, and in the case of N≤M, then by the institute switching speech business user in need in cell-of-origin
It is switched to the common covering adjacent area of cell-of-origin；Otherwise, if N>M, then need switching by the part in cell-of-origin
Speech business user is switched to the common covering adjacent area of cell-of-origin, and other part is needed to switch speech business user
It is switched to different system adjacent cell.
Preferably, when above-mentioned determining module 202 is switched over to speech business user, can be according to following tool
Body mode is realized：
According to the speech business number of users that switching is needed in cell-of-origin, and in the common covering adjacent area of cell-of-origin
Admissible speech business number of users, determines to need to be switched to the common covering adjacent area of cell-of-origin in cell-of-origin
Speech business number of users.Here, the voice of the common covering adjacent area to need to be switched to cell-of-origin in cell-of-origin
Service-user quantity be K as a example by, in N<In the case of=M, K=N, in N>In the case of M, K=M.
Hereafter, handover module 203 can perform speech business according to the coverage condition of the common covering adjacent area of cell-of-origin
User switches, and specifically may include following situation：
Situation 1：If the common covering adjacent area of cell-of-origin is the adjacent area covered altogether completely with cell-of-origin, source is obtained
The speech business user of A2 measurement reports was not reported in cell.If not reporting A2 to measure in cell-of-origin
The quantity of the speech business user of report is more than or equal to K, then never reported the voice of A2 measurement reports
K speech business user is selected to be switched to the adjacent area covered altogether completely with cell-of-origin in service-user；Otherwise,
The individual speech business users and other M2 for not reporting A2 measurement reports of all M1 in cell-of-origin is individual
The speech business user of A2 measurement reports was reported to be switched to the adjacent area covered altogether completely with cell-of-origin；M1
The integer more than or equal to 1, M1+M2=K are with M2.
Situation 2：If the common covering adjacent area of cell-of-origin is part covering adjacent area, configuration module 204 is small to source
K speech business user configuring A4 measurements in area；Wherein, if not reporting A2 to measure in cell-of-origin
The speech business number of users of report is M1, M1<K, then reported the language of A2 measurement reports to M2
Sound business user configuring A4 is measured, and M1 and M2 is the integer more than or equal to 1, M1+M2=K.
After A4 measurement reports are received, if the speech business number of users in current source cell exceedes cell-of-origin
Speech business number of users equilibrium thresholding, then handover module 203 will currently report the voice industry of A4 measurement reports
Business user is switched to the adjacent area covered with cell-of-origin part.
In the above embodiment of the present invention, if the speech business number of users in cell-of-origin exceedes the language of cell-of-origin
Sound business number of users equilibrium thresholding, then according to the speech business number of users and source that switching is needed in cell-of-origin
Admissible speech business number of users in the common covering adjacent area of cell, will switch voice the need in cell-of-origin
Service-user is switched to the common covering adjacent area of cell-of-origin, so as to avoid speech business number of users in same cell
Amount is excessive, and the speech service quality for causing declines, and the problems such as time delay, packet loss, shake, Jin Erying occurs
User is rung to perceive.
The present invention is produced with reference to method according to embodiments of the present invention, equipment (system) and computer program
The flow chart and/or block diagram of product is described.It should be understood that can by computer program instructions realize flow chart and
/ or block diagram in each flow and/or the flow in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions to all-purpose computer, special-purpose computer, insertion can be provided
The processor of formula processor or other programmable data processing devices is producing a machine so that by calculating
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device of the function of being specified in individual flow or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or the treatment of other programmable datas to set
In the standby computer-readable memory for working in a specific way so that storage is in the computer-readable memory
Instruction produce include the manufacture of command device, the command device realization in one flow of flow chart or multiple
The function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple one square frame of flow and/or block diagram or multiple square frames.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described
This creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this hair to the present invention
Bright spirit and scope.So, if it is of the invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Claims (12)
1. a kind of load-balancing method, it is characterised in that including：
Speech business number of users in detection cell-of-origin, if the speech business number of users in the cell-of-origin
More than the speech business number of users equilibrium thresholding of the cell-of-origin, then following steps are performed：
Determine to need in the cell-of-origin speech business number of users of switching, and the cell-of-origin is covered altogether
Admissible speech business number of users in lid adjacent area；
Covered altogether according to the speech business number of users that switching is needed in the cell-of-origin, and the cell-of-origin
Admissible speech business number of users in lid adjacent area, uses speech business is switched the need in the cell-of-origin
Family is switched to the common covering adjacent area of the cell-of-origin.
2. the method for claim 1, it is characterised in that according to needing switching in the cell-of-origin
Speech business number of users, and admissible speech business user in the common covering adjacent area of the cell-of-origin
Quantity, will switch the need in the cell-of-origin speech business user be switched to the cell-of-origin common covering it is adjacent
Area, including：
If needing the speech business number of users of switching in the cell-of-origin for N, the common covering of the cell-of-origin
Admissible speech business number of users is that M, N and M are integer more than or equal to 1, N in adjacent area<=M,
Then by the cell-of-origin switching speech business user in need be switched to the common covering of the cell-of-origin
Adjacent area；
Otherwise, if N>M, then need switching speech business user to be switched to the part in the cell-of-origin
The common covering adjacent area of the cell-of-origin, needs switching speech business user to be switched to different system other part adjacent
Area.
3. method as claimed in claim 2, it is characterised in that will switch the need in the cell-of-origin
Speech business user is switched to the common covering adjacent area of the cell-of-origin, including：
Covered altogether according to the speech business number of users that switching is needed in the cell-of-origin, and the cell-of-origin
Admissible speech business number of users in lid adjacent area, determines to need in the cell-of-origin to be switched to the source small
The speech business number of users of the common covering adjacent area in area；Wherein, need to be switched to the source in the cell-of-origin
The speech business number of users of the common covering adjacent area of cell is K, in N<In the case of=M, K=N,
N>In the case of M, K=M；
If the common covering adjacent area of the cell-of-origin is the adjacent area covered altogether completely with the cell-of-origin, institute is obtained
State the speech business user that A2 measurement reports were not reported in cell-of-origin；
If not reporting the quantity of the speech business user of A2 measurement reports to be more than or equal in the cell-of-origin
K, then select K speech business user from the speech business user for not reporting A2 measurement reports
It is switched to the adjacent area covered altogether completely with the cell-of-origin；Otherwise, by all M1 in the cell-of-origin not
The speech business user and other M2 of A2 measurement reports was reported to report the language of A2 measurement reports
Sound business user is switched to the adjacent area covered altogether completely with the cell-of-origin；M1 and M2 are more than or wait
In 1 integer, M1+M2=K.
4. method as claimed in claim 2, it is characterised in that will switch the need in the cell-of-origin
Speech business user is switched to the common covering adjacent area of the cell-of-origin, including：
Covered altogether according to the speech business number of users that switching is needed in the cell-of-origin, and the cell-of-origin
Admissible speech business number of users in lid adjacent area, determines to need in the cell-of-origin to be switched to the source small
The speech business number of users of the common covering adjacent area in area；Wherein, need to be switched to the source in the cell-of-origin
The speech business number of users of the common covering adjacent area of cell is K, in N<In the case of=M, K=N,
N>In the case of M, K=M；
If the common covering adjacent area of the cell-of-origin is part covering adjacent area, to K language in the cell-of-origin
Sound business user configuring A4 is measured；
After A4 measurement reports are received, if the speech business number of users in presently described cell-of-origin exceedes
The speech business number of users equilibrium thresholding of the cell-of-origin, then will currently report the voice industry of A4 measurement reports
Business user is switched to the adjacent area covered with the cell-of-origin part.
5. the method for claim 1, it is characterised in that determine that the common covering of the cell-of-origin is adjacent
Admissible speech business number of users in area, including：
If the speech business number of users equilibrium thresholding of the common covering adjacent area of the cell-of-origin is adjacent more than the common covering
Speech business number of users in area, then this is covered altogether adjacent area speech business number of users equilibrium threshold value with
This covers the difference of the speech business number of users in adjacent area altogether, is defined as to be received in the adjacent area of covering altogether
Speech business number of users.
6. the method as any one of claim 1 to 5, it is characterised in that institute's voice traffic
User refers to the user for setting up the carrying for having service quality rating QCI=1.
7. a kind of load balancing apparatus, it is characterised in that including：Detection module, determining module, switching
Module；
Detection module, for detecting the speech business number of users in cell-of-origin, if the language in the cell-of-origin
Sound business number of users exceedes the speech business number of users equilibrium thresholding of the cell-of-origin, it indicates that determining module
Operation is performed with handover module；
Determining module, the speech business number of users for determining to need in the cell-of-origin switching, Yi Jisuo
State admissible speech business number of users in the common covering adjacent area of cell-of-origin；
Handover module, for according to the speech business number of users that switching is needed in the cell-of-origin, Yi Jisuo
Admissible speech business number of users in the common covering adjacent area of cell-of-origin is stated, the need in the cell-of-origin
Switching speech business user is switched to the common covering adjacent area of the cell-of-origin.
8. device as claimed in claim 7, it is characterised in that the handover module, specifically for：
If needing the speech business number of users of switching in the cell-of-origin for N, the common covering of the cell-of-origin
Admissible speech business number of users is that M, N and M are integer more than or equal to 1 in adjacent area, N≤M,
Then by the cell-of-origin switching speech business user in need be switched to the common covering of the cell-of-origin
Adjacent area；
Otherwise, if N>M, then need switching speech business user to be switched to the part in the cell-of-origin
The common covering adjacent area of the cell-of-origin, needs switching speech business user to be switched to different system other part adjacent
Area.
9. device as claimed in claim 8, it is characterised in that the determining module, specifically for：
Covered altogether according to the speech business number of users that switching is needed in the cell-of-origin, and the cell-of-origin
Admissible speech business number of users in lid adjacent area, determines to need in the cell-of-origin to be switched to the source small
The speech business number of users of the common covering adjacent area in area；Wherein, need to be switched to the source in the cell-of-origin
The speech business number of users of the common covering adjacent area of cell is K, in N<In the case of=M, K=N,
N>In the case of M, K=M；
The handover module, is additionally operable to, if the common covering adjacent area of the cell-of-origin is complete with the cell-of-origin
The adjacent area of covering, then obtain the speech business user that A2 measurement reports were not reported in the cell-of-origin altogether；
If not reporting the quantity of the speech business user of A2 measurement reports to be more than or equal in the cell-of-origin
K, then select K speech business user from the speech business user for not reporting A2 measurement reports
It is switched to the adjacent area covered altogether completely with the cell-of-origin；Otherwise, by all M1 in the cell-of-origin not
The speech business user and other M2 of A2 measurement reports was reported to report the language of A2 measurement reports
Sound business user is switched to the adjacent area covered altogether completely with the cell-of-origin；M1 and M2 are more than or wait
In 1 integer, M1+M2=K.
10. device as claimed in claim 8, it is characterised in that the determining module, specifically for：
Covered altogether according to the speech business number of users that switching is needed in the cell-of-origin, and the cell-of-origin
Admissible speech business number of users in lid adjacent area, determines to need in the cell-of-origin to be switched to the source small
The speech business number of users of the common covering adjacent area in area；Wherein, need to be switched to the source in the cell-of-origin
The speech business number of users of the common covering adjacent area of cell is K, in N<In the case of=M, K=N,
N>In the case of M, K=M；
The base station also includes configuration module, the configuration module, if the common covering for the cell-of-origin is adjacent
Area is part covering adjacent area, then measured to K speech business user configuring A4 in the cell-of-origin；
The handover module, specifically for after A4 measurement reports are received, if presently described cell-of-origin
Interior speech business number of users exceedes the speech business number of users equilibrium thresholding of the cell-of-origin, then will be current
The speech business user of A4 measurement reports is reported to be switched to the adjacent area covered with the cell-of-origin part.
11. devices as claimed in claim 7, it is characterised in that the determining module, specifically for：
If the speech business number of users equilibrium thresholding of the common covering adjacent area of the cell-of-origin is adjacent more than the common covering
Speech business number of users in area, then this is covered altogether adjacent area speech business number of users equilibrium threshold value with
This covers the difference of the speech business number of users in adjacent area altogether, is defined as to be received in the adjacent area of covering altogether
Speech business number of users.
12. device as any one of claim 7 to 11, it is characterised in that the voice industry
Business user refers to the user for setting up the carrying for having service quality rating QCI=1.
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