CN109640358A - Select method, base station and the readable storage medium storing program for executing of load balancing Target cell - Google Patents
Select method, base station and the readable storage medium storing program for executing of load balancing Target cell Download PDFInfo
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- CN109640358A CN109640358A CN201710929883.8A CN201710929883A CN109640358A CN 109640358 A CN109640358 A CN 109640358A CN 201710929883 A CN201710929883 A CN 201710929883A CN 109640358 A CN109640358 A CN 109640358A
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- Prior art keywords
- base station
- resource status
- load
- ability information
- mouthfuls
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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
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Abstract
The present invention provides a kind of method, base station and readable storage medium storing program for executing for selecting load balancing Target cell.This method is applied to first base station, wherein the described method includes: receiving the load balance ability information that the second base station is sent；According to the load balance ability information, judge whether second base station has the ability for receiving migrated users.The problem of the method for the invention is able to solve prior art source cell and receives thresholding according to the load balancing of itself, carries out the selection of load balancing Target cell, can have Target cell selection inaccuracy, influence the efficiency and effect of load balancing.
Description
Technical field
The present invention relates to wireless technical field, refer in particular to a kind of method for selecting load balancing Target cell, base station and
Readable storage medium storing program for executing.
Background technique
In long term evolution (Long Term Evolution, abbreviation LTE) network, when user excessively concentrates in serving cell
When, the load that will lead to cell is excessively high, and cell capacity and service quality (Quality of Service, abbreviation QoS) all can be by
To influence.For guarantee user experience and radio resource effective use, need in time by the load sharing of high load capacity cell to bear
The low adjacent area of lotus.Therefore, the load balancing of Yao Shixian high-efficiency high-quality, carrying out effective information on load interactive process between cell must
It is indispensable.
In existing load-balancing technique scheme, the selection of Target cell is usually carried out by source cell, when source cell is assessed
When this cell load is excessively high, load balancing is triggered；Adjacent area is being transferred to source for itself information on load in standing or by way of x2 mouthfuls
Cell；After the information on load of adjacent area is known in source cell, thresholding is received according to the load balancing of itself, selects load lower than thresholding
Adjacent area becomes Target cell.
The scheme existing defects of the above-mentioned carry out Target cell selection of the prior art, if the load balancing of source cell and adjacent area connects
Thresholding of receiving is inconsistent, receives thresholding selection target cell based on source cell load balancing, will lead to Target cell selection inaccuracy,
Influence the efficiency and effect of load balancing.
Summary of the invention
The purpose of technical solution of the present invention, which is to provide, a kind of to be selected the method for load balancing Target cell, base station and readable deposits
Storage media receives thresholding according to the load balancing of itself for solving prior art source cell, carries out load balancing Target cell
Selection, can have Target cell selection inaccuracy, the problem of influencing the efficiency and effect of load balancing.
The specific embodiment of the invention provides a kind of method for selecting load balancing Target cell, is applied to first base station,
In, which comprises
Receive the load balance ability information of the second base station transmission；
According to the load balance ability information, judge whether second base station has the ability for receiving migrated users.
Preferably, the method for the selection load balancing Target cell, wherein the load balance ability information includes
The receiving threshold value of default load evaluation parameter or the judging result for including whether to receive migrated users.
Preferably, the method for the selection load balancing Target cell, wherein the method also includes:
When judging that current loads reach default load equilibrium condition, resource shape is sent to second base station by X2 mouthfuls
State request；
Wherein, in described the step of receiving the load balance ability information that the second base station is sent, second is received by X2 mouthfuls
The load balance ability information that base station is sent.
Preferably, the method for the selection load balancing Target cell, wherein described to pass through X2 mouthfuls of the second base stations of reception
The step of load balance ability information of transmission includes:
It receives after second base station receives the resource status request, by X2 mouthful to first base station period transmission
Resource status update message, wherein the load balance ability information is recorded in the resource status update message.
Preferably, the method for the selection load balancing Target cell, wherein the load balance ability information record
In the criteria field or diffusion field of the resource status update message.
Preferably, the method for the selection load balancing Target cell, wherein described to pass through X2 mouthfuls of the second base stations of reception
The step of load balance ability information of transmission includes:
After receiving the second base station reception resource status request, by the X2 mouthfuls of sound to first base station transmission
Message is answered, wherein the load balance ability information is recorded in the response message.
Preferably, the method for the selection load balancing Target cell, wherein when the load balance ability information table
Bright second base station does not have the ability for receiving migrated users, the method also includes:
The resource status update message of second base station periodic report is received by X2 mouthfuls.
The embodiment of the present invention also provides a kind of method for selecting load balancing Target cell, is applied to the second base station, wherein
The described method includes:
The load balance ability information that second base station is sent to first base station makes the first base station according to described
The load balance ability information of two base stations determines the target BS for being used for load balancing.
Preferably, the method for the selection load balancing Target cell, wherein the load balance ability information includes
The receiving threshold value of default load evaluation parameter or the judging result for including whether to receive migrated users.
Preferably, the method for the selection load balancing Target cell, wherein the method also includes:
The resource status request that the first base station is sent is received by X2 mouthfuls；
Wherein, it in the step of load balance ability information that second base station is sent to first base station, is receiving
After the resource status request, the load balance ability information of second base station is sent to the first base station by X2 mouthfuls.
Preferably, the method for the selection load balancing Target cell, wherein receiving the resource status request
Afterwards, the step of sending the load balance ability information of second base station to first base station by X2 mouthfuls include:
After receiving the resource status request, resource status update message is sent to the first base station by X2 mouthfuls,
Wherein the load balance ability information is recorded in the resource status update message.
Preferably, the method for the selection load balancing Target cell, wherein the load balance ability information record
In the criteria field or diffusion field of the resource status update message.
Preferably, the method for the selection load balancing Target cell, wherein receiving the resource status request
Afterwards, the step of sending the load balance ability information of second base station to first base station by X2 mouthfuls include:
After receiving the resource status request, response message is sent to the first base station by X2 mouthfuls, wherein described
Load balance ability information is recorded in the response message.
Preferably, the method for the selection load balancing Target cell, wherein when described negative in the response message
It carries ability of equalization information and shows that second base station does not have the ability for receiving migrated users, the method also includes:
By X2 mouthfuls to the first base station periodic report resource status update message.
The embodiment of the present invention also provides a kind of base station, and the base station is first base station, wherein includes:
Transceiver, for receiving the load balance ability information of the second base station transmission；
Processor, for judging whether second base station has receiving migration according to the load balance ability information
The ability of user.
Preferably, the base station, wherein the load balance ability information includes the receiving of preset negative lotus assessment parameter
Threshold value or the judging result for including whether to receive migrated users.
Preferably, the base station, wherein the transceiver is also used to:
When judging that current loads reach default load equilibrium condition, resource shape is sent to second base station by X2 mouthfuls
State request；
Wherein, the transceiver receives the load balance ability information that the second base station is sent by X2 mouthfuls.
Preferably, it the base station, wherein the transceiver is specifically used for: receives second base station and receives the money
After the status request of source, the resource status update message sent by X2 mouthfuls to the first base station period, wherein the load is equal
Weighing apparatus ability information is recorded in the resource status update message.
Preferably, the base station, wherein the load balance ability information is recorded in the resource status update message
Criteria field or diffusion field in.
Preferably, the base station, wherein the transceiver is specifically used for:
After receiving the second base station reception resource status request, by the X2 mouthfuls of sound to first base station transmission
Message is answered, wherein the load balance ability information is recorded in the response message.
Preferably, the base station, wherein connect when the load balance ability information shows that second base station does not have
Receive the abilities of migrated users, the transceiver is also used to: the resource status of second base station periodic report is received by X2 mouthfuls
Update message.
The present invention implements also to provide another base station, and the base station is the second base station, wherein includes:
Transceiver makes first base for sending the load balance ability information of second base station to first base station
It stands according to the determining target BS for being used for load balancing of the load balance ability information of second base station.
Preferably, the base station, wherein the load balance ability information includes the receiving of preset negative lotus assessment parameter
Threshold value or the judging result for including whether to receive migrated users.
Preferably, the base station, wherein the transceiver is also used to:
The resource status request that the first base station is sent is received by X2 mouthfuls；
Wherein, the transceiver sends institute to the first base station by X2 mouthfuls after receiving the resource status request
State the load balance ability information of the second base station.
Preferably, the base station, wherein the transceiver is specifically used for:
After receiving the resource status request, resource status update message is sent to the first base station by X2 mouthfuls,
Wherein the load balance ability information is recorded in the resource status update message.
Preferably, the base station, wherein the load balance ability information is recorded in the resource status update message
Criteria field or diffusion field in.
Preferably, the base station, wherein the transceiver is specifically used for:
After receiving the resource status request, response message is sent to the first base station by X2 mouthfuls, wherein described
Load balance ability information is recorded in the response message.
Preferably, the base station, wherein described in showing when the load balance ability information in the response message
Second base station does not have the ability for receiving migrated users, and the transceiver is also used to: by X2 mouthfuls to the first base station period
Report resource status update message.
A kind of base station of also jacquard weave of the embodiment of the present invention, wherein including memory, processor and be stored on the memory
And the computer program that can be run on the processor；Wherein, it is realized when the processor executes described program as above any
The method of selection load balancing Target cell described in.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, wherein should
The method of as above described in any item selection load balancing Target cells is realized when program is executed by processor.
One or more embodiments of the invention at least has the advantages that
Specific embodiment of the invention the method, by obtaining load balance ability letter from the second base station (neighbor base station)
Breath can determine whether respectively that being able to carry out migrated users receives, selected by determination based on the load balance ability of each second base station
The load balancing Target cell selected, with the validity of proof load equalization target cell, to solve present in the prior art
The problem of Target cell selection is inaccurate, influences the efficiency and effect of load balancing.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for selection load balancing Target cell described in first embodiment of the invention；
Fig. 2 is the flow diagram of the method for selection load balancing Target cell described in second embodiment of the invention；
Fig. 3 is the flow diagram of the method for selection load balancing Target cell described in third embodiment of the invention；
Fig. 4 is the flow diagram of the method for selection load balancing Target cell described in fourth embodiment of the invention；
Fig. 5 is the flow diagram of the method for selection load balancing Target cell described in fifth embodiment of the invention；
Fig. 6 is the flow diagram of the method for selection load balancing Target cell described in sixth embodiment of the invention；
Fig. 7 is the flow diagram of the method for selection load balancing Target cell described in seventh embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The method that load balancing Target cell is selected described in the embodiment of the present invention, is sent out according to neighbor base station (the second base station)
The load balance ability information sent judges the ability whether neighbor base station has contact migrated users, compared to the prior art source
Cell receives thresholding according to the load balancing of itself, carries out the selection of load balancing Target cell, the method for the invention can
Guarantee to determine the validity for load balancing Target cell.
Specifically, the method that load balancing Target cell is selected described in first embodiment of the invention, as shown in Figure 1, packet
It includes:
S110 receives the load balance ability information that the second base station is sent；
S120 judges whether second base station has and receives migrated users according to the load balance ability information
Ability.
Using the method for selection load balancing Target cell described above, by obtaining load balance ability from the second base station
Information can be determined whether respectively to be able to carry out migrated users receiving based on the load balance ability of each second base station, determine institute
The load balancing Target cell of selection, with the validity of proof load equalization target cell.
In specific embodiment of the invention the method, the load balance ability information includes preset negative lotus assessment parameter
It receives threshold value or includes whether to receive the judging result of migrated users.
On the other hand, in specific embodiment of the invention the method, preferably, first base station and the second base station pass through X2 mouthfuls
Execute load balancing interaction flow.
It is illustrated in figure 2 the load balancing interaction flow between first base station and the second base station based on X2 mouthfuls, specifically, packet
Include step:
S210, first base station (source base station) send resource status to the second base station (neighbor base station) and request RESOURCE
STATUS REQUEST；It wherein, include the Bit String of 32 bit lengths in resource status request RESOURCE STATUS REQUEST
Report characteristics, the Bit String each using 1/0 indicate whether request transmitting corresponding contents.Specifically, the Bit String institute
The load evaluation parameter of instruction includes:
Physical Resource Block (Physical Resource Block, abbreviation PRB) utilization rate, transmission bandwidth load, hardware money
Source load, cell residual capacity, almost blank pointer state, Reference Signal Received Power measurement, channel state information.
Specifically, first base station write-in in resource status request RESOURCE STATUS REQUEST needs the second base
Stand report above-mentioned at least partly load evaluation parameter.
S220, the second base station sends resource status to first base station and responds RESOURCE STATUS RESPONSE, with the
Intercommunication is established between one base station.
S230, the second base station period send resource status update RESOURCE STATUS UPDATE to first base station and disappear
Breath, it includes that above-mentioned resource status requests RESOURCE that wherein the resource status, which updates in RESOURCE STATUS UPDATE message,
The information of the load evaluation parameter of required feedback in STATUS REQUEST.
Pass through X2 mouthfuls of execution load balancing interaction flows, the present invention based on first base station shown in above-mentioned Fig. 2 and the second base station
The method that load balancing Target cell is selected described in embodiment two, in second embodiment, second the first base of base station in response are also provided
Stand the resource status request RESOURCE STATUS REQUEST sent, by X2 mouthfuls to first base station transmission load balancing energy
Force information.
Specifically, as shown in figure 3, second embodiment the described method includes:
S310 is sent by X2 mouthfuls to second base station when judging that current loads reach default load equilibrium condition
Resource status requests RESOURCE STATUS REQUEST；The specific resource status requests RESOURCE STATUS REQUEST
Content it is identical as step S210；In addition, in the step, default load equilibrium condition can be to preset, for determining the
Whether one base station is that load is excessively high, needs to carry out the condition of load balancing, can specifically be determined according to load actual demand；
S320 receives the resource status that the second base station is sent and responds RESOURCE STATUS RESPONSE, with the second base
Intercommunication is established between standing；
S330, after receiving the second base station reception resource status request, by the X2 mouthfuls of resources to first base station transmission
State updates RESOURCE STATUS UPDATE message, and the load balance ability information is recorded in the resource status and updates
In RESOURCE STATUS UPDATE message；
Specifically, load balance ability information is recorded in the resource status update message RESOURCE STATUS
In the criteria field or diffusion field of UPDATE；
By the above-mentioned means, the received resource status update message RESOURCE STATUS UPDATE of first base station institute
In, not only include the information on load of each load evaluation parameter, further includes load balance ability information；
S340 judges whether the second base station has the ability for receiving migrated users according to the load balance ability information.
Specifically, in step S330, the load balance ability information may include the receiving of default load evaluation parameter
Threshold value, by resource status update message RESOURCE STATUS UPDATE, while including presetting load evaluation parameter
Information on load and default load evaluation parameter receiving threshold value, obtain the receiving ability of the second base station, by information on load and
Corresponding receiving threshold value is compared, and can judge whether the second base station has contact migrated users in step S340
Ability.
For example, default load evaluation parameter includes uplink PRB utilization rate and downlink PRB utilization rate, using above-mentioned
Step S310 to step S340 selects the process of load balancing can be with are as follows:
In step S310, when uplink PRB utilization rate and excessively high downlink PRB utilization rate load, by X2 mouthfuls to the second base
It stands and sends resource status request RESOURCE STATUS REQUEST；
Step S330 is sent by X2 mouthfuls to first base station after receiving the second base station reception resource status request
Resource status updates RESOURCE STATUS UPDATE message；Wherein, resource status updates RESOURCE STATUS
In UPDATE message, uplink PRB utilization rate, downlink PRB utilization rate, which are respectively filled in, corresponds to PRB utilization rate in 32 Bit Strings
In field, the receiving threshold value of uplink PRB utilization rate, the receiving threshold value of downlink PRB utilization rate are respectively filled in corresponding PRB benefit
In extended field with rate field；
In step S340, by the way that resource status to be updated to the uplink PRB benefit in RESOURCE STATUS UPDATE message
It is compared with rate with the receiving threshold value of uplink PRB utilization rate, by the receiving of downlink PRB utilization rate and downlink PRB utilization rate
Threshold value is compared, if uplink PRB utilization rate is less than the receiving threshold value of uplink PRB utilization rate, and downlink PRB utilization rate is small
In the receiving threshold value of downlink PRB utilization rate, then it can determine that the second base station has the ability for receiving migrated users, can be used as
The Target cell of load balancing.
In addition, the load balance ability information also may include whether that migrated users can be received in step S330
Judging result, by resource status update message RESOURCE STATUS UPDATE including whether that migrated users can be received
Judging result, can directly determine the second base station whether can become load balancing Target cell.
For example, default load evaluation parameter includes uplink PRB utilization rate and downlink PRB utilization rate, using above-mentioned
Step S310 to step S340 selects the process of load balancing can be with are as follows:
In step S310, when uplink PRB utilization rate and excessively high downlink PRB utilization rate load, by X2 mouthfuls to the second base
It stands and sends resource status request RESOURCE STATUS REQUEST.
Step S330 is sent by X2 mouthfuls to first base station after receiving the second base station reception resource status request
Resource status updates RESOURCE STATUS UPDATE message；Wherein, the second base station is sending resource status update
When RESOURCE STATUS UPDATE message, by the receiving threshold value of current uplink PRB utilization rate and uplink PRB utilization rate
It is compared, if current uplink PRB utilization rate is less than the receiving threshold value of uplink PRB utilization rate, obtains and determine result 1,
If current uplink PRB utilization rate is greater than the receiving threshold value of uplink PRB utilization rate, obtains and determine result 0；Under current
Row PRB utilization rate is compared with the receiving threshold value of downlink PRB utilization rate, if current downlink PRB utilization rate is less than downlink
The receiving threshold value of PRB utilization rate then obtains and determines result 1, if current downlink PRB utilization rate is greater than downlink PRB utilization rate
Receiving threshold value, then obtain determine result 0.Two above-mentioned judgement results are respectively written into resource status and update RESOURCE
In two different fields of STATUS UPDATE message, which can be criteria field or extended field.
In step S340, first base station is updated in RESOURCE STATUS UPDATE message by resolving resource state
The above-mentioned field of correspondence, can determine the second base station whether have receive migrated users ability, so that it is determined that the second base station
Whether the Target cell of load balancing can be used as.
It is, of course, understood that the received resource status of above-mentioned steps S330 institute updates RESOURCE STATUS
It also may include the current uplink PRB utilization rate in the second base station, downlink PRB utilization rate in UPDATE message.
The another aspect of the specific embodiment of the invention, first base station are interacted with the second base station by X2 mouthfuls of execution load balancing
Process be not limited to be only Fig. 2 and process shown in Fig. 3, or the new signaling created in existing standard base
Process.Specifically, in third embodiment of the invention the method, as shown in figure 4, detailed process may include:
S410, first base station (source base station) send resource status to the second base station (neighbor base station) and request RESOURCE
STATUS REQUEST；The content of specific resource status request RESOURCE STATUS REQUEST is identical as step S210,
Details are not described herein；
S420 is sent out by X2 mouthfuls to the first base station after receiving the second base station reception resource status request
The response message sent, wherein the response message is by the new signaling process that creates in existing standard base, wherein the second base station
Load balance ability information be recorded in the response message；
The wherein one side of the specific embodiment of the invention, preferably, when the second base station determines that itself load is higher than load
Weighing apparatus receives thresholding, when not having receiving ability, executes step S420, the second base station sends response message, the sound to first base station
The judging result of migrated users can not be received by answering message to be used to indicate the second base station.Specifically, which can be one
Resource interaction failure RESOURCE STATUS FAILURE message.Certainly, the response message in step S420 be the above-mentioned type,
The above-mentioned message of above-mentioned instruction content is only one for example, being specifically not limited thereto, such as can also pass through response message
Indicate the receiving thresholding of default load evaluation parameter.
Further, preferably, the load balance ability information that the response message described in the step S420 includes show it is described
When second base station does not have the ability for receiving migrated users, according to Fig. 4, the method also includes:
S430, the resource status for receiving the second base station periodic report by X2 mouthfuls update RESOURCE STATUS UPDATE
Message.
Using the second base station, feedback resources state updates RESOURCE STATUS UPDATE message periodically, for reporting
Second round real-time information on load, until first base station sends resource status request RESOURCE STATUS next time
REQUEST, so that resource still can guarantee the timely of interactive information after interacting failure between first base station and the second base station
Property.
In order to save resource overhead, preferably, in embodiment illustrated in fig. 4 the method for the present invention, resource in S430 step
The report cycle that state updates RESOURCE STATUS UPDATE message can be greater than in embodiment illustrated in fig. 3 the method
Resource status updates the report cycle of RESOURCE STATUS UPDATE message in S330 step.
The method that load balancing Target cell is selected described in the specific embodiment of the invention, according to neighbor base station (the second base station)
Transmitted load balancing receives thresholding or can receive the judging result of migrated users, determines whether neighbor base station has and connects
The ability for touching migrated users is able to solve prior art source cell according to the load balancing of itself and receives thresholding, load
The problem of selection of weighing apparatus Target cell can have Target cell selection inaccuracy, influence the efficiency and effect of load balancing.
The present invention also provides the methods that load balancing Target cell is selected described in fourth embodiment, specifically, such as Fig. 5 institute
To show, the method is applied to the second base station, it specifically includes:
S510 sends the load balance ability information of second base station to first base station, make the first base station according to
The load balance ability information of second base station determines the target BS for being used for load balancing.
This embodiment of the invention the method, the second base station is the neighbor base station of first base station, by sending out to first base station
Load balance ability information is sent, so that first base station is determined whether respectively based on the load balance ability of each neighbor base station can
Migrated users receiving is carried out, selected load balancing Target cell is determined, with the validity of proof load equalization target cell.
Specifically, in specific embodiment of the invention the method, the load balance ability information includes that preset negative lotus is commented
Estimate the receiving threshold value of parameter or includes whether to receive the judging result of migrated users.
In addition, preferably, first base station and the second base station pass through X2 mouthfuls of execution load balancing interaction flows.
In the specific embodiment of the invention, first base station passes through the X2 mouthfuls of tools for executing load balancing interaction flow with the second base station
Body process can be as shown in fig.2, details are not described herein.
The process that load balancing interacts is executed by X2 mouthfuls with the second base station based on first base station shown in Fig. 2, the present invention is another
In one embodiment the method, as shown in fig. 6, specifically including step:
S610 receives the resource status that first base station is sent by X2 mouthfuls and requests RESOURCE STATUS REQUEST；Tool
The body resource status requests the content of RESOURCE STATUS REQUEST identical as step S210；
S620, to first base station send resource status respond RESOURCE STATUS RESPONSE, with first base station it
Between establish intercommunication；
S630, the resource status sent by X2 mouthfuls to first base station update RESOURCE STATUS UPDATE message,
The load balance ability information is recorded in the resource status and updates in RESOURCE STATUS UPDATE message.
Specifically, load balance ability information is recorded in the resource status update RESOURCE STATUS UPDATE and disappears
In the criteria field or diffusion field of breath；
By the above-mentioned means, the received resource status update message RESOURCE STATUS UPDATE of first base station institute
In, not only include the information on load of each load evaluation parameter, further includes load balance ability information.
Specifically, in step S630, the load balance ability information may include the receiving of default load evaluation parameter
Threshold value, by resource status update message RESOURCE STATUS UPDATE, while including presetting load evaluation parameter
Information on load and default load evaluation parameter receiving threshold value, enable first base station that can obtain the receiving of the second base station
Power can judge whether the second base station has contact and move by the way that information on load and corresponding receiving threshold value to be compared
Divert from one use to another the ability at family.
In addition, the load balance ability information also may include whether that migrated users can be received in step S630
Judging result, by resource status update message RESOURCE STATUS UPDATE including whether that migrated users can be received
Judging result, first base station can be made directly can determine whether the second base station can become the Target cell of load balancing.
In another embodiment of the present invention the method, first base station is interacted with the second base station by X2 mouthfuls of execution load balancing
Process be not limited to be only above-mentioned process shown in fig. 6, or the new signaling created in existing standard base
Process, specifically, in another embodiment of the present invention the method, as shown in fig. 7, detailed process may include:
S710 receives the resource status that first base station (source base station) is sent and requests RESOURCE STATUS REQUEST；Tool
The body resource status requests the content of RESOURCE STATUS REQUEST identical as step S210, and details are not described herein；
S720, Xiang Suoshu first base station send response message, and wherein the response message in existing standard base by creating
New signaling process, wherein the load balance ability information of the second base station is recorded in the response message；
Preferably, when the second base station determines that itself load is higher than load balancing and thresholding is received to hold when not having receiving ability
Row step S720 sends response message to first base station, which, which is used to indicate the second base station, can not receive migration to use
The judging result at family.Specifically, which can disappear for resource interaction failure RESOURCE STATUS FAILURE
Breath.Certainly, the response message in step S720 be the above-mentioned type, above-mentioned instruction content above-mentioned message be only one for example,
It is specifically not limited thereto, such as can also indicate the receiving thresholding of default load evaluation parameter by response message.
Further, preferably, the load balance ability information that the response message described in the step S720 includes show it is described
When second base station does not have the ability for receiving migrated users, according to Fig. 7, the method also includes:
S730 updates RESOURCE STATUS UPDATE to first base station periodic report resource status by X2 mouthfuls and disappears
Breath.
Using the second base station, feedback resources state updates RESOURCE STATUS UPDATE message periodically, for reporting
Second round real-time information on load, until first base station sends resource status request RESOURCE STATUS next time
REQUEST, so that resource still can guarantee the timely of interactive information after interacting failure between first base station and the second base station
Property.
The method that load balancing Target cell is selected described in the specific embodiment of the invention, according to neighbor base station (the second base station)
Transmitted load balancing receives thresholding or can receive the judging result of migrated users, determines whether neighbor base station has and connects
The ability for touching migrated users is able to solve prior art source cell according to the load balancing of itself and receives thresholding, load
The problem of selection of weighing apparatus Target cell can have Target cell selection inaccuracy, influence the efficiency and effect of load balancing.
The specific embodiment of the invention also provides a kind of base station, and the base station is first base station, wherein includes:
Transceiver, for receiving the load balance ability information of the second base station transmission；
Processor, for judging whether second base station has receiving migration according to the load balance ability information
The ability of user.
The base station of above structure, is formed as source base station, equal by obtaining load transmitted by neighbor base station (the second base station)
Weigh ability information, can judge whether each neighbor base station has contact migration and use based on the load balance ability of each neighbor base station
The ability at family guarantees to determine the validity for load balancing Target cell.
Preferably, the load balance ability information includes that preset negative lotus assesses the receiving threshold value of parameter or including being
The no judging result that can receive migrated users.
On the other hand, the transceiver is also used to:
When judging that current loads reach default load equilibrium condition, resource shape is sent to second base station by X2 mouthfuls
State request；
Wherein, the transceiver receives the load balance ability information that the second base station is sent by X2 mouthfuls.
In the specific embodiment of the invention, the transceiver is specifically used for: receiving second base station and receives the resource shape
After state request, the resource status update message sent by X2 mouthfuls to the first base station period, wherein the load balancing energy
Force information is recorded in the resource status update message.
Specifically, the load balance ability information is recorded in the criteria field or diffusion of the resource status update message
In field.
The another aspect of the specific embodiment of the invention, the transceiver are specifically used for:
After receiving the second base station reception resource status request, by the X2 mouthfuls of sound to first base station transmission
Message is answered, wherein the load balance ability information is recorded in the response message.
Preferably, when the load balance ability information shows that second base station does not have the energy for receiving migrated users
Power, the transceiver are also used to: the resource status update message of second base station periodic report is received by X2 mouthfuls.
The specific embodiment of the invention also provides another base station, and the base station is the second base station, comprising:
Transceiver makes first base for sending the load balance ability information of second base station to first base station
It stands according to the determining target BS for being used for load balancing of the load balance ability information of second base station.
Base station described in the embodiment of the present invention is the neighbor base station of first base station, by first base station transmission load balancing
Ability information enables load balance ability of the first base station based on each neighbor base station to determine whether that being able to carry out migration uses respectively
Family is received, and selected load balancing Target cell is determined, with the validity of proof load equalization target cell.
Preferably, the load balance ability information includes that preset negative lotus assesses the receiving threshold value of parameter or including being
The no judging result that can receive migrated users.
The another aspect of the specific embodiment of the invention, the transceiver are also used to:
The resource status request that the first base station is sent is received by X2 mouthfuls；
Wherein, the transceiver sends institute to the first base station by X2 mouthfuls after receiving the resource status request
State the load balance ability information of the second base station.
Preferably, the transceiver is specifically used for:
After receiving the resource status request, resource status update message is sent to the first base station by X2 mouthfuls,
Wherein the load balance ability information is recorded in the resource status update message.
Specifically, the load balance ability information is recorded in the criteria field or diffusion of the resource status update message
In field.
The another aspect of the specific embodiment of the invention, the transceiver are specifically used for:
After receiving the resource status request, response message is sent to the first base station by X2 mouthfuls, wherein described
Load balance ability information is recorded in the response message.
Preferably, being connect when the load balance ability information in the response message shows that second base station does not have
Receive the abilities of migrated users, the transceiver is also used to: being updated by X2 mouthfuls to the first base station periodic report resource status
Message.
The embodiment of the present invention also provides a kind of base station, wherein including memory, processor and is stored on the memory
And the computer program that can be run on the processor；Wherein, it is realized when the processor executes described program as above any
The method of selection load balancing Target cell described in.
The specific embodiment of the invention also provides a kind of computer readable storage medium, is stored thereon with computer program,
In, the side such as selection load balancing Target cells described in any item in claim is realized when which is executed by processor
Method.
Refering to fig. 1 to Fig. 7, and above description is combined, those skilled in the art should be able to understand using present invention tool
The base station of the method for load balancing Target cell and the specific embodiment party of computer readable storage medium are selected described in body embodiment
Formula is not described in detail herein.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (30)
1. a kind of method for selecting load balancing Target cell, is applied to first base station, which is characterized in that the described method includes:
Receive the load balance ability information of the second base station transmission；
According to the load balance ability information, judge whether second base station has the ability for receiving migrated users.
2. the method for selection load balancing Target cell according to claim 1, which is characterized in that the load balancing energy
Force information includes the receiving threshold value of default load evaluation parameter or the judging result for including whether to receive migrated users.
3. the method for selection load balancing Target cell according to claim 1, which is characterized in that the method is also wrapped
It includes:
When judging that current loads reach default load equilibrium condition, resource status is sent to second base station by X2 mouthfuls and is asked
It asks；
Wherein, in described the step of receiving the load balance ability information that the second base station is sent, pass through X2 mouthfuls of the second base stations of reception
The load balance ability information of transmission.
4. the method for selection load balancing Target cell according to claim 3, which is characterized in that described to be connect by X2 mouthfuls
Receive the second base station transmission load balance ability information the step of include:
After receiving the second base station reception resource status request, by the X2 mouthfuls of money to first base station period transmission
Source state update message, wherein the load balance ability information is recorded in the resource status update message.
5. the method for selection load balancing Target cell according to claim 4, which is characterized in that the load balancing energy
Force information is recorded in the criteria field or diffusion field of the resource status update message.
6. the method for selection load balancing Target cell according to claim 3, which is characterized in that described to be connect by X2 mouthfuls
Receive the second base station transmission load balance ability information the step of include:
After receiving the second base station reception resource status request, disappeared by X2 mouthfuls to the response that the first base station is sent
Breath, wherein the load balance ability information is recorded in the response message.
7. the method for selection load balancing Target cell according to claim 6, which is characterized in that when the load balancing
Ability information shows that second base station does not have the ability for receiving migrated users, the method also includes:
The resource status update message of second base station periodic report is received by X2 mouthfuls.
8. a kind of method for selecting load balancing Target cell, is applied to the second base station, which is characterized in that the described method includes:
The load balance ability information that second base station is sent to first base station makes the first base station according to second base
The load balance ability information stood determines the target BS for being used for load balancing.
9. the method for selection load balancing Target cell according to claim 8, which is characterized in that the load balancing energy
Force information includes the receiving threshold value of default load evaluation parameter or the judging result for including whether to receive migrated users.
10. the method for selection load balancing Target cell according to claim 8, which is characterized in that the method is also wrapped
It includes:
The resource status request that the first base station is sent is received by X2 mouthfuls；
Wherein, in the step of load balance ability information that second base station is sent to first base station, described in reception
After resource status request, the load balance ability information of second base station is sent to the first base station by X2 mouthfuls.
11. the method for selection load balancing Target cell according to claim 10, which is characterized in that receiving the money
After the status request of source, the step of load balance ability information of second base station is sent to first base station by X2 mouthfuls, includes:
After receiving the resource status request, resource status update message is sent to the first base station by X2 mouthfuls, wherein
The load balance ability information is recorded in the resource status update message.
12. the method for selection load balancing Target cell according to claim 11, which is characterized in that the load balancing
Ability information is recorded in the criteria field or diffusion field of the resource status update message.
13. the method for selection load balancing Target cell according to claim 10, which is characterized in that receiving the money
After the status request of source, the step of load balance ability information of second base station is sent to first base station by X2 mouthfuls, includes:
After receiving the resource status request, response message is sent to the first base station by X2 mouthfuls, wherein the load
Ability of equalization information is recorded in the response message.
14. the method for selection load balancing Target cell according to claim 13, which is characterized in that when the response disappears
The load balance ability information in breath shows that second base station does not have the ability for receiving migrated users, and the method is also
Include:
By X2 mouthfuls to the first base station periodic report resource status update message.
15. a kind of base station, the base station is first base station characterized by comprising
Transceiver, for receiving the load balance ability information of the second base station transmission；
Processor, for judging whether second base station has receiving migrated users according to the load balance ability information
Ability.
16. base station according to claim 15, which is characterized in that the load balance ability information includes that preset negative lotus is commented
Estimate the receiving threshold value of parameter or includes whether to receive the judging result of migrated users.
17. base station according to claim 15, which is characterized in that the transceiver is also used to:
When judging that current loads reach default load equilibrium condition, resource status is sent to second base station by X2 mouthfuls and is asked
It asks；
Wherein, the transceiver receives the load balance ability information that the second base station is sent by X2 mouthfuls.
18. base station according to claim 17, which is characterized in that the transceiver is specifically used for: receiving second base
It stands after receiving the resource status request, the resource status update message sent by X2 mouthfuls to the first base station period,
Described in load balance ability information be recorded in the resource status update message.
19. base station according to claim 18, which is characterized in that the load balance ability information is recorded in the resource
In the criteria field or diffusion field of state update message.
20. base station according to claim 17, which is characterized in that the transceiver is specifically used for:
After receiving the second base station reception resource status request, disappeared by X2 mouthfuls to the response that the first base station is sent
Breath, wherein the load balance ability information is recorded in the response message.
21. base station according to claim 20, which is characterized in that when the load balance ability information shows described second
Base station does not have the ability for receiving migrated users, and the transceiver is also used to: by X2 mouthfuls of reception second base station periods
The resource status update message of report.
22. a kind of base station, the base station is the second base station characterized by comprising
Transceiver makes the first base station root for sending the load balance ability information of second base station to first base station
The target BS for being used for load balancing is determined according to the load balance ability information of second base station.
23. base station according to claim 22, which is characterized in that the load balance ability information includes that preset negative lotus is commented
Estimate the receiving threshold value of parameter or includes whether to receive the judging result of migrated users.
24. base station according to claim 22, which is characterized in that the transceiver is also used to:
The resource status request that the first base station is sent is received by X2 mouthfuls；
Wherein, the transceiver is after receiving resource status request, by X2 mouthful to first base station transmission described the
The load balance ability information of two base stations.
25. base station according to claim 24, which is characterized in that the transceiver is specifically used for:
After receiving the resource status request, resource status update message is sent to the first base station by X2 mouthfuls, wherein
The load balance ability information is recorded in the resource status update message.
26. base station according to claim 25, which is characterized in that the load balance ability information is recorded in the resource
In the criteria field or diffusion field of state update message.
27. base station according to claim 24, which is characterized in that the transceiver is specifically used for:
After receiving the resource status request, response message is sent to the first base station by X2 mouthfuls, wherein the load
Ability of equalization information is recorded in the response message.
28. base station according to claim 27, which is characterized in that when the load balance ability in the response message
Information shows that second base station does not have the ability for receiving migrated users, and the transceiver is also used to: by X2 mouthfuls to described
First base station periodic report resource status update message.
29. a kind of base station, wherein including memory, processor and be stored on the memory and can be on the processor
The computer program of operation；It is characterized in that, the processor is realized when executing described program such as any one of claim 1 to 7
The method of the selection load balancing Target cell, or realize such as the described in any item selection loads of claim 8 to 14
The method of equalization target cell.
30. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The method that selection load balancing Target cell as described in any one of claim 1 to 7 is realized when execution, or realize such as right
It is required that the method for 8 to 14 described in any item selection load balancing Target cells.
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| CN201710929883.8A CN109640358A (en) | 2017-10-09 | 2017-10-09 | Select method, base station and the readable storage medium storing program for executing of load balancing Target cell |
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| CN201710929883.8A CN109640358A (en) | 2017-10-09 | 2017-10-09 | Select method, base station and the readable storage medium storing program for executing of load balancing Target cell |
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