CN103052112A - Inter-cell load balancing method and base station - Google Patents
Inter-cell load balancing method and base station Download PDFInfo
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- CN103052112A CN103052112A CN201210567348XA CN201210567348A CN103052112A CN 103052112 A CN103052112 A CN 103052112A CN 201210567348X A CN201210567348X A CN 201210567348XA CN 201210567348 A CN201210567348 A CN 201210567348A CN 103052112 A CN103052112 A CN 103052112A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an inter-cell load balancing method, which comprises the following steps of: when the load ratio of any cell is higher than a preset cut-out load ratio according to an eNB (evolved Node B) of the cell and if load ratios which are lower than the preset cut-out load ratio exist in the acquired load ratios of every adjacent working cells, cutting users in the cell into an adjacent working cell with a minimum load ratio according to a preset load balancing rule; if a load ratio which is lower than the preset cut-out load ratio does not exist in the acquired load ratios of every adjacent working cells, selecting a cell which corresponds to the name of a cell in a sleeping mode for serving as a target cut-in cell; and when the load ratio of the cell determined by using the eNB is lower than a preset energy-saving load, cutting users of the cell into adjacent working cells, and making the cell enter a sleeping mode. Based on the same invention concept, the invention further provides a base station, which can be used for increasing the utilization ratio of wireless resources and lowering the overhead of network energy.
Description
Technical field
The application relates to communication technical field, particularly a kind of load balancing method between cells and base station.
Background technology
Nowadays, mobile phone has become the essential tool of people's work and the important component part in the life.Along with the continuous intelligentized development of mobile phone, people are to the demand of mobile communication business also more and more diversified and novelization, and many business have very high requirement to transmission rate, propagation delay time etc., such as: Online Video, videoconference.The communications industry is to satisfy user's demand, constantly innovates technologies, and in past 2 years, a lot of operation commercial city, the whole world has begun the deployment of Long Term Evolution (Long Term Evolution, LTE) network in succession.In the LTE system, base station (Evolved Node B, eNB) is responsible for wireless access network, and evolution block core net (Evolved Packet Core, EPC) is responsible for core net.
Be the requirement of satisfying IMT-A and future mobile communications as the upgrade version of LTE and the LTE-A of 4G technology first-selection, the key technologies such as carrier aggregation, enhancement mode multi-antenna technology, multiple spot assistance, relaying studied.
In the mobile communications network, because randomness, time variation and the unbalanced distribution of customer service demand, the traffic carrying capacity of each residential quarter may have very large difference.Especially in densely populated area, relatively concentrating of communication service can cause the super busy rate of respective cell and the increase of network congestion probability.The service distribution that the purpose of load balancing is to adjust a plurality of minizones to be realizing the more balanced traffic carrying capacity in minizone, thereby the utilance of Radio Resource is improved, and reduces cutting off rate, improves network connectivity efficiency.
At present, realize the method for load balancing between wireless network cell, normally when the duty ratio of certain residential quarter surpasses a duty ratio threshold value that sets in advance, the neighbor cell of choosing a duty ratio minimum from the residential quarter adjacent with this residential quarter is as carrying out the Target cell of load balancing with this residential quarter; Or mutual information on load separately between each residential quarter, detect the load difference distance between the neighbor cell, when the load difference of a residential quarter and adjacent another residential quarter when surpassing predefined threshold value, just between these two residential quarters, carry out the equilibrium adjustment of load.These methods all can make the low-down residential quarter of loading in the network become the Target cell of load balancing.From energy-conservation angle, these low-down residential quarters of loading can reduce by entering sleep pattern the consumption of network energy resource, and are not suitable for doing the Target cell of load balancing.
Summary of the invention
In view of this, the application provides a kind of load balancing method between cells and base station, can improve the utilance of Radio Resource, and reduces the network energy expense.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of load balancing method between cells is applied to comprise in the Long Term Evolution LTE system:
The duty ratio of determining this residential quarter when the base station eNB of arbitrary residential quarter is greater than default when cutting out duty ratio, obtain the duty ratio of each adjacent work residential quarter, and the cell name that is in sleep pattern, when existing less than default incision duty ratio in the duty ratio of each the adjacent work residential quarter that obtains, the user of this residential quarter is cut the adjacent work residential quarter of duty ratio minimum by default load balancing rule part; When not existing less than default incision duty ratio in the duty ratio of each the adjacent work residential quarter that obtains, selection is in the residential quarter corresponding to cell name of sleep pattern and cuts the residential quarter as target, send this residential quarter to the sleep pattern residential quarter of selecting with its message as target incision residential quarter, make this residential quarter that is in sleep pattern withdraw from sleep pattern, and this community user is cut the residential quarter that this withdraws from sleep pattern by default load balancing rule part;
The duty ratio of determining this residential quarter as this eNB is cut adjacent work residential quarter with this community user, and is made this residential quarter enter sleep pattern during less than default energy-conservation duty ratio;
When determining the duty ratio of this residential quarter, this eNB is not more than the default duty ratio that cuts out, and when being not less than default energy-conservation duty ratio, keep the normal operation of this residential quarter, wherein, described presetting cuts out duty ratio greater than described default incision duty ratio, and the described default duty ratio that cuts out is greater than described default energy-conservation duty ratio.
A kind of base station eNB can be applicable in the Long Term Evolution LTE system, and this eNB comprises: dispensing unit, determining unit, acquiring unit, processing unit and transmitting element;
Described dispensing unit is used for disposing default duty ratio, default incision duty ratio and the default energy-conservation duty ratio of cutting out, and wherein, described presetting cuts out duty ratio greater than described default incision duty ratio, and the described default duty ratio that cuts out is greater than described default energy-conservation duty ratio;
Described determining unit is used for determining that whether the duty ratio of this residential quarter is greater than the default duty ratio that cuts out of described dispensing unit; Whether the duty ratio of this residential quarter is less than the default energy-conservation duty ratio of described dispensing unit configuration; Determine whether to exist in the duty ratio of each adjacent work residential quarter that described acquiring unit obtains the default incision duty ratio less than described dispensing unit configuration;
Described acquiring unit, the duty ratio that is used for determining this residential quarter when described determining unit is obtained the duty ratio of each adjacent work residential quarter greater than presetting when cutting out duty ratio, and the cell name that is in sleep pattern;
Described processing unit is used for the user of this residential quarter partly being cut the adjacent work residential quarter of duty ratio minimum by default load balancing rule when described determining unit determines that the duty ratio of each adjacent work residential quarter of obtaining exists less than default incision duty ratio; When in described determining unit is determined the duty ratio of each adjacent work residential quarter of obtaining, not existing less than default incision duty ratio, selection is in the residential quarter corresponding to cell name of sleep pattern and cuts the residential quarter as target, and when described transmitting element makes the sleep pattern residential quarter of this selection withdraw from sleep pattern, this community user is cut the residential quarter that this withdraws from sleep pattern by default load balancing rule part; The duty ratio of determining this residential quarter when described determining unit is cut adjacent work residential quarter with this community user, and is made this residential quarter enter sleep pattern during less than default energy-conservation duty ratio; Determine when described determining unit that the duty ratio of this residential quarter is not more than and default cut out duty ratio, and when being not less than default energy-conservation duty ratio, keep the normal operation of this residential quarter;
Described transmitting element is used for when described processing unit is selected the sleep pattern residential quarter as Target cell, sends this residential quarter to the sleep pattern residential quarter of selecting with its message as target incision residential quarter, makes this residential quarter that is in sleep pattern withdraw from sleep pattern.
In sum, the application is by default duty ratio and the default energy-conservation duty ratio of cutting out, and the eNB of arbitrary residential quarter during greater than default energy-conservation duty ratio, partly cuts neighbor cell with this community user according to preset rules in the duty ratio of knowing this residential quarter; During less than default energy-conservation duty ratio, this community user is cut adjacent work residential quarter in the duty ratio of knowing this residential quarter; Keep normal operation during other situations.Can improve the utilance of Radio Resource by the method, and reduce the network energy expense.
Description of drawings
Fig. 1 is load balancing schematic flow sheet between the embodiment of the invention one small area;
Fig. 2 is the structural representation of a plurality of residential quarters in the embodiment of the invention one;
Fig. 3 is sleep pattern cell base station course of work schematic flow sheet in the embodiment of the invention two;
Fig. 4 is the structural representation of a plurality of residential quarters in the specific embodiment of the invention two;
Fig. 5 is sleep pattern cell base station course of work schematic flow sheet in the embodiment of the invention three;
Fig. 6 is the eNB structural representation that is applied to above-mentioned technology in the specific embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, scheme of the present invention is described in further detail.
A kind of load balancing method between cells is proposed in the embodiment of the invention, be applied in the LTE system, the base station of arbitrary residential quarter is determined the user of this residential quarter is switched to other residential quarters by the duty ratio of this residential quarter in this system, or enter sleep pattern, or keep the normal operation of this residential quarter, can improve the utilance of Radio Resource, and reduce the network energy expense.
Embodiment one
Referring to Fig. 1, Fig. 1 is load balancing schematic flow sheet between the embodiment of the invention one small area.Concrete steps are:
The duty ratio of residential quarter can be determined according in the following information one or several: eNB terminal equipment linking number information, eNB physical resource block message, business state information.Be the altogether ratio of spendable Physical Resource Block of the Physical Resource Block that takies in the residential quarter and residential quarter such as the duty ratio of determining by eNB physical resource block message.If when using a plurality of parameter informations to determine the duty ratio of residential quarter, can weight be set for the cell load ratio that each parameter information calculates, finally calculate a duty ratio.In concrete the use, specifically use the duty ratio of which calculation of parameter as being used for duty ratio relatively among the application, can be arranged according to concrete operating position by the user.
Preset in the step 101 and cut out duty ratio greater than default energy-conservation duty ratio, the default duty ratio that cuts out is carried out pre-configured with default energy-conservation duty ratio according to concrete environment for use, wherein, whether whether the default duty ratio that cuts out is used for weighing this residential quarter and transships, need the user is cut into other residential quarters; Default energy-conservation duty ratio be used for weighing this residential quarter be the user seldom, even do not have the user, can enter the standard of sleep pattern.
When the duty ratio of this residential quarter when cutting out duty ratio, illustrates this cell-overload greater than default, need to seek Target cell and carry out the user and switch.
Before determining the incision Target cell, need to know the duty ratio of each neighbor cell, its process is: this eNB sends to each adjacent residential quarter with the information of this cell-overload, and when the residential quarter that is in work received these overload messages, the duty ratio that this residential quarter is current sent to this eNB; When the residential quarter that is in sleep pattern received this overload message, the state that this residential quarter is in sleep pattern sent to this eNB, makes this eNB know the current title that is in the residential quarter of sleep pattern.
Whether this eNB determines first to exist in the duty ratio of the work residential quarter that obtains less than default incision duty ratio, if exist, then select the residential quarter of duty ratio minimum to cut the residential quarter as target, and the user of this residential quarter is cut this Target cell by default load balancing rule part.Wherein, the default duty ratio that cuts out is greater than default incision duty ratio, and default load balancing rule is determined according to concrete applied environment, is cut into Target cell such as some users with this residential quarter, reaches this residential quarter nonoverload, the effect that Target cell carries only etc.
By adjusting duty ratio greater than the default handover operation parameter that cuts out between duty ratio and incision Target cell, the user is more prone to from the overloaded cells to the switching target small area, it is more difficult to make switching target small area switch to the switching of overloaded cells, with transfer and the equilibrium that realizes loading between overloaded cells and the switching target small area.The handoff parameter of minizone mainly refers to the bias that switch the minizone.
When not existing less than default incision duty ratio in the duty ratio of each adjacent work residential quarter that this eNB obtains, the residential quarter is cut as target in the residential quarter that will select to be in sleep pattern.Exist in the residential quarter of sleep pattern when a plurality of if be in, select the residential quarter of signal the best to cut the residential quarter as target according to the primary synchronization channel signal of the residential quarter that is in sleep pattern that obtains.Wherein, the primary synchronization channel signal that is in the residential quarter of sleep pattern is, when this sleep pattern residential quarter sends this residential quarter and is in sleep pattern to this eNB, the primary synchronization channel signal of this residential quarter is sent to this eNB simultaneously, this eNB obtains the primary synchronization channel signal of the residential quarter that is in sleep pattern.
Duty ratio is left intact in default energy-conservation duty ratio and default when cutting out between the duty ratio, and the normal operation that continues to keep this residential quarter gets final product.
When the duty ratio of this residential quarter during less than default energy-conservation duty ratio, need to close this residential quarter and enter energy saver mode, if currently in this residential quarter have a user, then the user with this residential quarter cuts adjacent work residential quarter, preferably, with this community user incision work, duty ratio is lower than the default neighbor cell that cuts out duty ratio and signal strength signal intensity the best.
After the user cuts out and finishes, this residential quarter enters sleep pattern, specific implementation is: the eNB of this residential quarter closes the more modules of consumed energy such as power amplifier, base station cooling, only keep to receive the overload message that other residential quarters send and receive that other residential quarters send the module of this residential quarter as the message of Target cell; This residential quarter, residential quarter of responding this transmission overload message is in the module of insomnia pattern.
Referring to Fig. 2, Fig. 2 is the structural representation of a plurality of residential quarters in the embodiment of the invention one.Comprise residential quarter A among Fig. 2 to residential quarter F totally 7 residential quarters, each residential quarter is neighbor cell each other between any two, can carry out radio communication, defaultly cuts out duty ratio and is set to 80%, and default incision duty ratio is set to 50%, and default energy-conservation duty ratio equipment is 3%.
Take the eNB processing procedure of residential quarter A as example.The eNB of residential quarter A knows that the duty ratio of this residential quarter is 90%, cuts out duty ratio 80% greater than default, then sends this cell-overload message to each neighbor cell.When residential quarter B, residential quarter D, residential quarter E, residential quarter F and residential quarter G receive the overload message that residential quarter A sends, the duty ratio of this residential quarter is sent to residential quarter A.When residential quarter C received the overload message of residential quarter A transmission, the state that this residential quarter is in sleep pattern sent to residential quarter A, and residential quarter A knows that the duty ratio of residential quarter B, residential quarter D, residential quarter E, residential quarter F and residential quarter G is respectively 65%, 3%, 62%, 67% and 70%; Know the title C of the residential quarter C that is in sleep pattern.
This eNB determines to exist in the duty ratio of the neighbor cell that obtains the residential quarter less than default incision duty ratio 50%, therefore by the residential quarter D of default load balancing rule with certain customers' incision duty ratio minimum of this residential quarter.
Take the eNB processing procedure of residential quarter D as example.The eNB of residential quarter D knows that the duty ratio of this residential quarter is 3%, and less than default energy-conservation duty ratio, then the user with this residential quarter cuts work residential quarter adjacent, that signal is best.Such as residential quarter E.And make this residential quarter enter sleep pattern.
Take the eNB processing procedure of residential quarter G as example.The eNB of residential quarter G knows that the duty ratio of this residential quarter is 70%, is not more than to preset to cut out duty ratio, and is not less than default energy-conservation duty ratio, then keeps the normal operation of this residential quarter.
Embodiment two
Referring to Fig. 3, Fig. 3 is sleep pattern cell base station course of work schematic flow sheet in the embodiment of the invention two.Concrete steps are:
The first Preset Time in this step determined according to actual needs, such as 30 minutes etc.This eNB processes according to the size of the duty ratio of this residential quarter, and processing procedure is with the process of processing according to duty ratio among the embodiment one.
Referring to Fig. 4, Fig. 4 is the structural representation of a plurality of residential quarters in the specific embodiment of the invention two.Comprise residential quarter H among Fig. 2 to residential quarter N totally 7 residential quarters, each residential quarter is neighbor cell each other between any two, can carry out radio communication.Wherein, residential quarter K is in sleep pattern.
Take the eNB processing procedure of residential quarter K as example.What this eNB received that other residential quarters send during as target incision residential quarter, makes this residential quarter withdraw from sleep pattern this residential quarter, accepts respective cell and switches the residential quarter of coming.
After finishing switching, can be not at once do not carry out processing among the embodiment one according to the duty ratio of this residential quarter, but wait for the first Preset Time, the first Preset Time is then processed by the processing procedure of embodiment one according to the current duty ratio in this residential quarter again.
Take the eNB processing procedure of residential quarter H as example.The eNB of this residential quarter H knows that the duty ratio of this residential quarter is 90%, cuts out duty ratio 80% greater than default, then sends this cell-overload message to each neighbor cell.When residential quarter I, residential quarter J, residential quarter L, residential quarter M and residential quarter N receive the overload message that residential quarter A sends, the duty ratio of this residential quarter is sent to residential quarter H.When residential quarter K received the overload message of residential quarter H transmission, the state that this residential quarter is in sleep pattern sent to residential quarter H, and residential quarter H knows that the duty ratio of residential quarter I, residential quarter J, residential quarter L, residential quarter M and residential quarter N is respectively 51%, 60%, 70%, 70% and 57%; Know the title K of the residential quarter K that is in sleep pattern.
This eNB determines not exist in the duty ratio of the neighbor cell that obtains the residential quarter less than default incision duty ratio 50%, selects residential quarter K to cut the residential quarter as target, and sends to residential quarter K and to select it as message of target incision residential quarter, makes residential quarter K withdraw from sleep pattern.Afterwards, by the certain customers incision residential quarter K of default load-sharing mode with this residential quarter.
Embodiment three
Referring to Fig. 5, Fig. 5 is sleep pattern cell base station course of work schematic flow sheet in the embodiment of the invention three.Concrete steps are:
Step 501 when this residential quarter, eNB place enters sleep pattern, is waited for the second Preset Time.
When this residential quarter enters sleep pattern, can not be in sleep pattern always, wait for that the second default Preset Time can initiatively withdraw from sleep pattern.
When withdrawing from sleep pattern, also can not process according to the size of duty ratio at once, can wait for the 3rd Preset Time, the 3rd Preset Time is then processed according to the size of the duty ratio of this residential quarter again.The 3rd Preset Time here can be the same or different with the second Preset Time among the embodiment, is configured according to specific environment by the user.
Still the processing procedure of the eNB of the residential quarter K in Fig. 4 is as example.If being in this residential quarter, this eNB do not receive any residential quarter in the sleep mode procedures with it during as the message of target incision residential quarter, when this eNB enters sleep pattern at residential quarter K, a timer is set comes timing, when timing during to the second Preset Time, make residential quarter K withdraw from sleep pattern.Again by the timer timing, when timing to the three Preset Time, obtain the duty ratio of this residential quarter simultaneously, process according to embodiment one according to the size of this duty ratio of obtaining.
Based on same inventive concept, also propose a kind of eNB in the specific embodiment of the invention, can be applicable in the LTE system.Referring to Fig. 6, Fig. 6 is the eNB structural representation that is applied to above-mentioned technology in the specific embodiment of the invention.This eNB comprises: dispensing unit 601, determining unit 602, acquiring unit 603, processing unit 604 and transmitting element 605.
Determining unit 602 is used for determining that whether the duty ratio of this residential quarter is greater than the dispensing unit 601 default duty ratios that cut out; Whether the duty ratio of this residential quarter is less than the default energy-conservation duty ratio of dispensing unit 601 configurations; Determine whether to exist in the duty ratio of each adjacent work residential quarter that acquiring unit 603 obtains the default incision duty ratio less than dispensing unit 604 configurations.
Acquiring unit 603, the duty ratio that is used for determining these residential quarters when determining unit 602 is obtained the duty ratio of each adjacent work residential quarter greater than presetting when cutting out duty ratio, and the cell name that is in sleep pattern.
Transmitting element 605 is used for when processing unit 604 is selected the sleep pattern residential quarter as Target cell, sends this residential quarter to the sleep pattern residential quarter of selecting with its message as target incision residential quarter, makes this residential quarter that is in sleep pattern withdraw from sleep pattern.
Preferably, this eNB further comprises: receiving element 606.
Receiving element 606 is further used for receiving the overload message that other residential quarters send; Receive the message of this residential quarter being cut the residential quarter as target that other residential quarters send.
Transmitting element 605 is further used for when receiving element 606 receives the overload message of other residential quarters transmissions, and this residential quarter is in the residential quarter that sleep pattern sends to described transmission overload message.
Preferably,
Preferably,
Preferably,
Acquiring unit 603 is further used for obtaining the primary synchronization channel signal of the residential quarter that is in sleep pattern.
The unit of above-described embodiment can be integrated in one, and also can separate deployment; A unit can be merged into, also a plurality of subelements can be further split into.
In sum, default duty ratio and the default energy-conservation duty ratio of cutting out originally was set in the specific embodiment of the invention, the eNB of arbitrary residential quarter during greater than default energy-conservation duty ratio, partly cuts neighbor cell with this community user according to preset rules in the duty ratio of knowing this residential quarter; During less than default energy-conservation duty ratio, this community user is cut adjacent work residential quarter in the duty ratio of knowing this residential quarter; Keep normal operation during other situations.Can improve the utilance of Radio Resource by the method, and reduce the network energy expense.
Also provide in detail the residential quarter that is in park mode in the application's the specific embodiment and when withdrawed from sleep pattern, and do not process according to the duty ratio of this residential quarter at once after withdrawing from sleep pattern, but the wait certain hour makes in the whole system each minizone not shake like this.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a load balancing method between cells is applied to it is characterized in that in the Long Term Evolution LTE system, comprising:
The duty ratio of determining this residential quarter when the base station eNB of arbitrary residential quarter is greater than default when cutting out duty ratio, obtain the duty ratio of each adjacent work residential quarter, and the cell name that is in sleep pattern, when existing less than default incision duty ratio in the duty ratio of each the adjacent work residential quarter that obtains, the user of this residential quarter is cut the adjacent work residential quarter of duty ratio minimum by default load balancing rule part; When not existing less than default incision duty ratio in the duty ratio of each the adjacent work residential quarter that obtains, selection is in the residential quarter corresponding to cell name of sleep pattern and cuts the residential quarter as target, send this residential quarter to the sleep pattern residential quarter of selecting with its message as target incision residential quarter, make this residential quarter that is in sleep pattern withdraw from sleep pattern, and this community user is cut the residential quarter that this withdraws from sleep pattern by default load balancing rule part;
The duty ratio of determining this residential quarter as this eNB is cut adjacent work residential quarter with this community user, and is made this residential quarter enter sleep pattern during less than default energy-conservation duty ratio;
When determining the duty ratio of this residential quarter, this eNB is not more than the default duty ratio that cuts out, and when being not less than default energy-conservation duty ratio, keep the normal operation of this residential quarter, wherein, described presetting cuts out duty ratio greater than described default incision duty ratio, and the described default duty ratio that cuts out is greater than described default energy-conservation duty ratio.
2. method according to claim 1 is characterized in that, if this residential quarter, eNB place is in sleep pattern, described method further comprises:
When this eNB receives the overload message of other residential quarters transmissions, this residential quarter is in the residential quarter that sleep pattern sends to described transmission overload message;
This eNB receive that other residential quarters send with this residential quarter during as the message of target incision residential quarter, withdraw from sleep pattern, after described transmission is with the user incision of this residential quarter as the residential quarter of the message of target incision residential quarter, wait for the first Preset Time, the first Preset Time is then processed according to the size of the duty ratio of this residential quarter.
3. method according to claim 1 is characterized in that, if this residential quarter, eNB place is in sleep pattern, described method further comprises: after this residential quarter entered sleep pattern, this eNB waited for the second Preset Time, and the second Preset Time then withdraws from sleep pattern; Wait for the 3rd Preset Time, the 3rd Preset Time is then processed according to the size of the duty ratio of this residential quarter.
4. the described method of any one is characterized in that according to claim 1-3, and the described duty ratio of determining this residential quarter as this eNB is cut adjacent work residential quarter with this community user during less than default energy-conservation duty ratio, comprising:
The duty ratio of determining this residential quarter as this eNB is during less than default energy-conservation duty ratio, with this community user incision work, duty ratio is lower than the default neighbor cell that cuts out duty ratio and signal strength signal intensity the best.
5. the described method of any one is characterized in that according to claim 1-3, and described when obtaining the cell name that is in sleep pattern, described method further comprises: the primary synchronization channel signal that obtains the residential quarter that is in sleep pattern;
The residential quarter is cut as target in described selection sleep pattern residential quarter, comprising: select the residential quarter of signal the best to cut the residential quarter as target according to the primary synchronization channel signal of the residential quarter that is in sleep pattern that obtains.
6. a base station eNB can be applicable to it is characterized in that this eNB comprises: dispensing unit, determining unit, acquiring unit, processing unit and transmitting element in the Long Term Evolution LTE system;
Described dispensing unit is used for disposing default duty ratio, default incision duty ratio and the default energy-conservation duty ratio of cutting out, and wherein, described presetting cuts out duty ratio greater than described default incision duty ratio, and the described default duty ratio that cuts out is greater than described default energy-conservation duty ratio;
Described determining unit is used for determining that whether the duty ratio of this residential quarter is greater than the default duty ratio that cuts out of described dispensing unit; Whether the duty ratio of this residential quarter is less than the default energy-conservation duty ratio of described dispensing unit configuration; Determine whether to exist in the duty ratio of each adjacent work residential quarter that described acquiring unit obtains the default incision duty ratio less than described dispensing unit configuration;
Described acquiring unit, the duty ratio that is used for determining this residential quarter when described determining unit is obtained the duty ratio of each adjacent work residential quarter greater than presetting when cutting out duty ratio, and the cell name that is in sleep pattern;
Described processing unit is used for the user of this residential quarter partly being cut the adjacent work residential quarter of duty ratio minimum by default load balancing rule when described determining unit determines that the duty ratio of each adjacent work residential quarter of obtaining exists less than default incision duty ratio; When in described determining unit is determined the duty ratio of each adjacent work residential quarter of obtaining, not existing less than default incision duty ratio, selection is in the residential quarter corresponding to cell name of sleep pattern and cuts the residential quarter as target, and when described transmitting element makes the sleep pattern residential quarter of this selection withdraw from sleep pattern, this community user is cut the residential quarter that this withdraws from sleep pattern by default load balancing rule part; The duty ratio of determining this residential quarter when described determining unit is cut adjacent work residential quarter with this community user, and is made this residential quarter enter sleep pattern during less than default energy-conservation duty ratio; Determine when described determining unit that the duty ratio of this residential quarter is not more than and default cut out duty ratio, and when being not less than default energy-conservation duty ratio, keep the normal operation of this residential quarter;
Described transmitting element is used for when described processing unit is selected the sleep pattern residential quarter as Target cell, sends this residential quarter to the sleep pattern residential quarter of selecting with its message as target incision residential quarter, makes this residential quarter that is in sleep pattern withdraw from sleep pattern.
7. eNB according to claim 6 is characterized in that, described eNB further comprises: receiving element;
Described dispensing unit is further used for disposing the first Preset Time;
Described receiving element is further used for receiving the overload message that other residential quarters send; Receive the message of this residential quarter being cut the residential quarter as target that other residential quarters send;
Described transmitting element is further used for when described receiving element receives the overload message of other residential quarters transmissions, and this residential quarter is in the residential quarter that sleep pattern sends to described transmission overload message;
Described processing unit, be further used for when described receiving element receive that other residential quarters send with this residential quarter during as target incision residential quarter, withdraw from sleep pattern, and after described transmission is with the user incision of this residential quarter as the residential quarter of target incision residential quarter, wait for the first Preset Time of described dispensing unit configuration, the first Preset Time then triggers described determining unit and whether carries out the duty ratio of described definite this residential quarter greater than the default operation that cuts out duty ratio of described dispensing unit.
8. eNB according to claim 6 is characterized in that,
Described dispensing unit is further used for disposing the second Preset Time and the 3rd Preset Time;
Described processing unit after being further used for this residential quarter and entering sleep pattern, is waited for wait second Preset Time of described dispensing unit configuration, and the second Preset Time then withdraws from sleep pattern; Wait for the 3rd Preset Time of described dispensing unit configuration, the 3rd Preset Time then triggers described determining unit and whether carries out the duty ratio of described definite this residential quarter greater than the default operation that cuts out duty ratio of described dispensing unit.
9. the described eNB of any one is characterized in that according to claim 6-8,
Described processing unit, the duty ratio that is used for determining this residential quarter when described determining unit be during less than default energy-conservation duty ratio, with this community user incision work, duty ratio is lower than and presets the neighbor cell that cuts out duty ratio and signal strength signal intensity the best.
10. the described eNB of any one is characterized in that according to claim 6-8,
Described acquiring unit is further used for obtaining the primary synchronization channel signal of the residential quarter that is in sleep pattern;
Described processing unit selects the residential quarter of signal the best to cut the residential quarter as target for the primary synchronization channel signal of the residential quarter that is in sleep pattern that obtains according to described acquiring unit.
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| CN201210567348.XA CN103052112B (en) | 2012-12-24 | 2012-12-24 | A kind of load balancing method between cells and base station |
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| CN201210567348.XA CN103052112B (en) | 2012-12-24 | 2012-12-24 | A kind of load balancing method between cells and base station |
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| CN103052112B CN103052112B (en) | 2016-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015000424A1 (en) * | 2013-07-03 | 2015-01-08 | Mediatek Inc. | Energy saving functionality for small cells in e-utra and e-utran |
| CN104754655A (en) * | 2015-02-27 | 2015-07-01 | 大唐移动通信设备有限公司 | Service regulation method and device |
| CN108207004A (en) * | 2016-12-17 | 2018-06-26 | 南宁富桂精密工业有限公司 | Network management and equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101772081A (en) * | 2008-12-31 | 2010-07-07 | 中兴通讯股份有限公司 | Method and system for dynamically balancing cell load in wireless network |
| CN102137443B (en) * | 2010-10-11 | 2014-04-30 | 华为技术有限公司 | Method and device for balancing load across neighboring cells |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015000424A1 (en) * | 2013-07-03 | 2015-01-08 | Mediatek Inc. | Energy saving functionality for small cells in e-utra and e-utran |
| US9565628B2 (en) | 2013-07-03 | 2017-02-07 | Mediatek Inc. | Energy saving functionality for small cells in E-UTRA and E-UTRAN |
| CN104754655A (en) * | 2015-02-27 | 2015-07-01 | 大唐移动通信设备有限公司 | Service regulation method and device |
| CN108207004A (en) * | 2016-12-17 | 2018-06-26 | 南宁富桂精密工业有限公司 | Network management and equipment |
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| CN103052112B (en) | 2016-07-06 |
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