CN103648130A - Load balancing method and base station - Google Patents
Load balancing method and base station Download PDFInfo
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- CN103648130A CN103648130A CN201310741832.4A CN201310741832A CN103648130A CN 103648130 A CN103648130 A CN 103648130A CN 201310741832 A CN201310741832 A CN 201310741832A CN 103648130 A CN103648130 A CN 103648130A
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Abstract
The invention discloses a load balancing method and a base station, and relates to communication technology. An available resource number indication field is added in resource status update information, so that a base station needing to perform load balancing can determine the user number performing load balancing switch according to the available resource number indication field so as to prevent other cells from entering a high load status due to load balancing, and avoid ping-pong switch due to the load balancing.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of load equalization method and base station.
Background technology
For realizing load balancing and the entire throughput optimum of Jian Tong coverage cell, base station, need to traffic load and hardware based on community load, by to Idle state UE(User Equipment, subscriber equipment) load adjustment is carried out in the switching of gravity treatment and connected state UE, to carrying out Load balanced control with covering Liang Ge community.
Judge that at present Zone load condition is mainly according to community PRB(Physical Resource Block) resource service condition, cycle is judged, when eNB1(base station 1) while being judged to be community high load capacity, can initialization request eNB2 take fixed time as cycle continuous reporting subdistrict load condition, eNB1 selects user to be switched to the community of target BS eNB2 according to load balancing algorithm.
A main scene of load balancing application is exactly that F-band+D frequency range is with covering.Due to the difference of propagation characteristic, F-band has compared with D frequency range the advantage that coverage is large, but the relative D frequency range of F-band frequency resource is less.If only dispose F-band in TD-LTE network, in the larger hot spot region of data traffic demand, will face so the problem of power system capacity deficiency.When adopting D frequency range and F-band with the double-deck networking mode covering, can utilize the covering advantage of F-band and the frequency resource advantage of D frequency range simultaneously, realization by F-band ensuring coverage, is shared load in center by D frequency range, the target of absorptive capacity in marginal zone.
Based on above-mentioned application scenarios, as shown in Figure 1, eNB1 community starts load balancing cycle timer T1 to current existing load balancing implementation, when timer T1 is overtime, carries out the judgement of cell load situation.By management station, community high load capacity thresholding (PRBHighLoadTh) is set, when cell load is greater than PRBHighLoadTh, thinks and enter community higher load condition, otherwise think that cell load situation is normal.If previous load period is carrying out load adjustment, T1 is overtime for load period timer, and the new cell load situation of calculating is normal, stops load adjustment process; If community is under higher load condition, judge whether to meet load adjustment trigger condition, if meet load adjustment trigger condition, according to load adjustment algorithm, select user to carry out load adjustment, be about to user and be redirected or be switched to in other duty ratios compare Di community covering, thereby in the situation that guaranteeing customer service speed, improve power system capacity.
The processing that eNB1 obtains adjacent same coverage cell load condition is as shown in Figure 2:
The community of eNB1 enters after high load capacity, to place, same coverage cell base station eNB 2, send the request of RESOURCE STATUS REQUEST(resource status) message, eNB2 is after receiving this message, if be Registration Request IE(registration request indication field) " start " (beginning) state, eNB2 should start to measure according to given parameter in request; If be Registration Request IE(registration request indication field) " stop " (stopping), eNB2 should stop reporting.If Registration Request IE(registration request indication field) be set to " start ", this Report Characteristics IE(feature report indication field) should be comprised in the request of RESOURCE STATUS REQUEST(resource status) in message.
For the community of each request, eNB2 utilizes RESOURCE STATUS UPDATE(resource status to upgrade) information reporting measurement result;
If Reporting Periodicity IE(indication field reporting period) be included in the request of RESOURCE STATUS REQUEST(resource status) in message, eNB2 should be worth as two to be measured the time interval between reporting in succession.
If eNB2 can provide resource state information, it should open corresponding measurement according to the request of eNB1, and reports RESOURCE STATUS RESPONSE(resource status to reply) message.
The RESOURCE STATUS UPDATE(resource status renewal of 3GPP36.423 protocol definition) message is as shown in table 1:
Table 1RESOURCE STATUS UPDATE message
RESOURCE STATUS UPDATE comprises Radio Resource Status(Radio Resource state), Radio Resource status indication information is used to refer to up-downgoing PRB service condition, and this information content is as shown in table 2.
Table 2Radio Resource Status indication information
RESOURCE STATUS UPDATE comprises the compound available capability group of Composite Available Capacity Group(), compound available capability group information is used to refer to the whole available resources quantity of up-downgoing in community, and this information content is as shown in table 2.
Table 3Composite Available Capacity Group information
For the same covering scene of F-band+D frequency range, network may be different to the high load capacity threshold requirement of two frequency range communities, and even possibility ShiF+DYi manufacturer networking is because each manufacturer realizes difference, different to the requirement of high load capacity thresholding.From X2 interface RESOURCE STATUS UPDATE message, only can get the load condition of same coverage cell, but because high load capacity thresholding cannot obtain, cause obtaining it and also have how many resources can be used and not enter higher load condition.
When eNB1 is judged to be community high load capacity, can initialization request eNB2 take fixed time as cycle continuous reporting subdistrict load condition, eNB1 selects user to be switched to the community of target BS eNB2 according to load balancing algorithm.According to current agreement, realize use amount and the total PRB surplus resources situation that eNB1 only can get the uplink and downlink PRB of target BS eNB2 community, but owing to can not obtaining Target cell high load capacity thresholding, cause estimating the used surplus resources of eNB2, while causing user to be balanced to the community of eNB2 from eNB1 community, likely trigger opposite end high load capacity, even may cause user community between 2 base stations to carry out load balancing pingpang handoff.
Summary of the invention
The embodiment of the present invention provides a kind of load equalization method and base station, to avoid occurring that the adjacent area causing due to load balancing enters higher load condition.
A load equalization method, comprising:
Determine that cell load is higher than setting after threshold value, the base station that Xiang Yugai community has overlapping covered community sends resource status request message;
Receive the resource status updating message of returning described base station, described resource status updating message comprises available resources quantity;
According to described available resources quantity, determine the number of users that carries out load balancing switching.
The resource status updating message of returning due to base station has comprised available resources quantity, so when carrying out load balancing, can determine the number of users that carries out load balancing switching according to available resources quantity, avoid other community causing due to load balancing to enter higher load condition.
Further, be convenient to determine the resource service condition of other community up-downgoing for making to carry out the base station of load balancing, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
Further, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
For ease of reserved a part of resource, give self user's use of the follow-up access in community, described available resources quantity is specially: in the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
Preferably, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
Further, in order to improve load balancing efficiency, avoid a plurality of communities to carry out in turn load balancing, when receiving the resource status updating message of a plurality of base station feedback, according to the available resources quantity of each community order from big to small, carry out load balancing.
The embodiment of the present invention also provides a kind of load equalization method, comprising:
Reception has overlapping covered base station and determines that cell load is higher than setting the resource status request message sending after threshold value;
To described base station, return to resource status updating message, described resource status updating message comprises available resources quantity, is determined the number of users that carries out load balancing switching by described base station according to described available resources quantity.
Because resource status updating message has comprised available resources quantity, so when carrying out load balancing, can determine the number of users that carries out load balancing switching according to available resources quantity, avoid other community causing due to load balancing to enter higher load condition.
Further, be convenient to determine the resource service condition of other community up-downgoing for making to carry out the base station of load balancing, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
Further, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
Preferably, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
The embodiment of the present invention also provides a kind of base station, comprising:
Transmitting element, for determining that cell load is higher than setting after threshold value, the base station that Xiang Yugai community has overlapping covered community sends resource status request message;
Receiving element, for receiving the resource status updating message of returning described base station, described resource status updating message comprises available resources quantity;
Balanced unit, for determining the number of users that carries out load balancing switching according to described available resources quantity.
Because resource status updating message has comprised available resources quantity, so this base station is when carrying out load balancing, can determine the number of users that carries out load balancing switching according to available resources quantity, avoid other community causing due to load balancing to enter higher load condition.
Further, be convenient to determine the resource service condition of other community up-downgoing for making to carry out the base station of load balancing, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
Further, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
Preferably, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
Further, in order to improve load balancing efficiency, avoid a plurality of communities to carry out in turn load balancing, described balanced unit also for:
When receiving the resource status updating message of a plurality of base station feedback, according to the available resources quantity of each community order from big to small, carry out load balancing.
The embodiment of the present invention also provides a kind of base station, comprising:
Message sink unit, has overlapping covered base station and determines that cell load is higher than setting the resource status request message sending after threshold value for receiving;
Message sending unit, for returning to resource status updating message to described base station, described resource status updating message comprises available resources quantity, is determined the number of users that carries out load balancing switching by described base station according to described available resources quantity.
Because resource status updating message has comprised available resources quantity, so when carrying out load balancing, can determine the number of users that carries out load balancing switching according to available resources quantity, avoid other community causing due to load balancing to enter higher load condition.
Further, be convenient to determine the resource service condition of other community up-downgoing for making to carry out the base station of load balancing, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
Further, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
Preferably, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
The embodiment of the present invention provides a kind of load equalization method and base station, in resource status updating message, increase available resources quantity, make the base station that need to carry out load balancing to determine the number of users that carries out load balancing switching according to this available resources quantity, and then avoided entering higher load condition due to other community that makes that load balancing causes, also avoided the pingpang handoff causing due to load balancing.
Accompanying drawing explanation
Fig. 1 is the decision method flow chart that carries out load balancing in prior art;
Fig. 2 is the Signalling exchange schematic diagram that carries out load balancing in prior art;
One of load-balancing method flow chart that Fig. 3 provides for the embodiment of the present invention;
Two of the load-balancing method flow chart that Fig. 4 provides for the embodiment of the present invention;
One of base station schematic diagram that Fig. 5 provides for the embodiment of the present invention;
Two of the base station schematic diagram that Fig. 6 provides for the embodiment of the present invention;
Three of the base station schematic diagram that Fig. 7 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of load equalization method and base station, in resource status updating message, increase available resources quantity, make the base station that need to carry out load balancing to determine the number of users that carries out load balancing switching according to this available resources quantity, and then avoided other community causing due to load balancing to enter higher load condition, also avoided the pingpang handoff causing due to load balancing.
As shown in Figure 3, the load equalization method that the embodiment of the present invention provides, comprising:
Step S301, determine that cell load is higher than setting after threshold value, the base station that Xiang Yugai community has overlapping covered community sends resource status request message;
The resource status updating message that step S302, reception base station are returned, resource status updating message comprises available resources quantity;
Step S303, according to available resources quantity, determine the number of users carry out load balancing switching.
Due in step S302, the resource status updating message that base station is returned has comprised available resources quantity, so when carrying out load balancing, can determine the number of users that carries out load balancing switching according to available resources quantity, avoid other community causing due to load balancing to enter higher load condition.
Further, be convenient to determine the resource service condition of other community up-downgoing for making to carry out the base station of load balancing, available resources quantity is specially:
Up PRB available resources and descending PRB available resources.
Further, this available resources quantity can directly be defined as having used in the high load capacity threshold value of community and community the difference of resource, also can be defined as, in the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion, so that reserved a part of resource is given self user's use of the follow-up access in community.
Further, in order to improve load balancing efficiency, avoid a plurality of communities to carry out in turn load balancing, when receiving the resource status updating message of a plurality of base station feedback, according to the available resources quantity of each community order from big to small, carry out load balancing.
In step S302, resource status updating message comprises available resources quantity, can carry out in several ways, for example, can in original information, increase corresponding content, also can in this resource status updating message, increase new information, the embodiment of the present invention provides two kinds of preferably carrying modes, below by specific embodiment, discusses:
Embodiment mono-,
In compound available capability group information in resource status updating message (Composite Available Capacity Group), carry available resources quantity information.
This embodiment is by increasing an optional definition to 3GPP 36.423 protocol extension IE Composite Available Capacity Group, that is: the compound available capability downlink information of filling in Composite Available Capacity Group in this scheme (Composite Available Capacity Downlink) and compound available capability uplink information (Composite Available Capacity Uplink) are the resource used under the balanced high load capacity thresholding of relative load, be that value corresponding to Composite Available Capacity Downlink is: the descending PRB high load capacity of DL PRBHighLoadTh(thresholding) deduct DL Total PRB usage (the total use amount of descending PRB), the value that Composite Available Capacity Uplink is corresponding is: the up PRB high load capacity of ULPRBHighLoadTh(thresholding) deduct UL Total PRB usage (the total use amount of up PRB), if be less than at 0 o'clock at this regulation Composite Available Capacity Downlink or Composite Available Capacity Uplink value, can unify to fill 0 (0 represent without available resources use), other message filling value is with agreement setting.
Now, this load equalization method comprises:
The community PRB utilization rate of step 1:eNB1 has surpassed the upper (lower) row high load capacity of local area thresholding, sends RESOURCE STATUS REQUEST(Registration Request IE(registration request indication field) be " start ") message is to adjacent base station eNB 2;
Step 2: if eNB2 can provide resource state information, it should be opened and measure according to the request of eNB1, and reports RESOURCE STATUS RESPONSE(resource status response message).
If the measurement of request cannot be opened, eNB2 should send a RESOURCE STATUS FAILURE(resource status failed message).Cause IE(reason indication field) should be set to a suitable value, for example " Measurement Temporarily not Available(measures temporarily unavailable) ".
If successfully report RESOURCE STATUS RESPONSE message, continue to carry out following steps:
After step 3:eNB2 feedback RESOURCE STATUS RESPONSE message, carry out resource status report, take the Reporting Periodicity(reporting period of carrying in RESOURCE STATUS REQUEST message) time of appointment is periodic report RESOURCE STATUS UPDATE message, the information on load carrying in this message comprises following 4 kinds:
[1] .radio resource Status(Radio Resource state), comprising: UL/DL GBR PRB usage(up-downgoing dedicated bearer takies PRB), the non-dedicated bearer of UL/DL non-GBR PRB usage(takies PRB), UL/DL total PRB usage(amounts to PRB occupancy);
[2] .HW load indicator(hardware load indication), comprising: UL/DL HW load:low, mid, high, the upper or descending hardware of overload(is basic, normal, high, overload load value indicates);
[3] .TNL load indicator(transport network load indication), comprising: UL/DL TNL load:low, mid, high, basic, normal, high, the indication of overload load of overload(uplink and downlink transmission network);
[4] the compound available capability group of .Composite Available Capacity Group(), this value has been indicated overall available resources grade, to have considered radio resource Status, the indication of HW load indicator(hardware load), the indication of TNL load indicator(transmission network load) and the load condition of adjacent cell, Composite Available Capacity Group only considers radio resource Status available resources situation in the present embodiment.
Step 4: owing in the present embodiment, Composite Available Capacity Group being redefined, therefore the Composite Available Capacity Downlink that eNB1 carries by Composite Available Capacity Group after receiving RESOURCE STATUS UPDATE message and Composite Available Capacity Uplink value get final product the uplink and downlink resources left situation of Obtaining Accurate eNB2 community.If Composite Available Capacity Downlink or Composite Available Capacity Uplink value are not 0, represent that eNB2 cell uplink or down direction do not reach high load capacity, and upstream or downstream PRB resource has more than needed, eNB1, according to eNB2 surplus resources situation, selects user to carry out load balancing in the situation that guaranteeing to trigger eNB2 upstream or downstream high load capacity; If Composite Available Capacity Downlink or Composite Available Capacity Uplink value are 0, show high load capacity of eNB2 cell uplink or down direction, eNB1 stops carrying out load balancing to eNB2.
The resource status indication information that comprises a plurality of communities in the RESOURCE STATUS UPDATE message that eNB1 receives simultaneously or while receiving the RESOURCE STATUS UPDATE message that a plurality of stations send, preferentially selects to fill Zhi compare great community to Composite Available Capacity Downlink or Composite Available Capacity Uplink and carries out load balancing.
Embodiment bis-,
In radio resource Status information in resource status updating message, carry available resources quantity information.
In the present embodiment, at 3GPP36.423 agreement RESOURCE STATUS UPDATE(resource status, upgrade) Radio Resource Status in message increases by two descending PRB available resources of IE:DL PRB available usage(), the up PRB available resources of UL PRB available usage(), it also has how many PRB resources to use to eNB1 with coverage cell to be defined as eNB2 notice eNB1, as shown in table 4, the content of other message and processing are with embodiment mono-.
Table 4Radio Resource Status
Now, this load equalization method comprises:
The community PRB utilization rate of step 1:eNB1 has surpassed the upper (lower) row high load capacity of local area thresholding, sends the request of RESOURCE STATUS REQUEST(resource status) (Registration Request IE is " start ") message is to adjacent base station eNB 2;
Step 2: if eNB2 can provide resource state information, it should be opened and measure according to the request of eNB1, and reports RESOURCE STATUS RESPONSE.
If the measurement of request cannot be opened, eNB2 should send a RESOURCE STATUS FAILURE.Cause IE should be set to a suitable value, for example " Measurement Temporarily not Available ".
If successfully report RESOURCE STATUS RESPONSE message, continue to carry out following steps:
Step 3: after feedback RESOURCE STATUS RESPONSE message, carry out resource status report, take time of the Reporting Periodicity appointment of carrying in RESOURCE STATUS REQUEST message is periodic report RESOURCE STATUS UPDATE message, and the information on load carrying in this message comprises following 4 kinds:
[1] .radio resource Status, comprising: UL/DL GBR PRB usage, UL/DL non-GBR PRB usage, UL/DL total PRB usage;
[2] .HW load indicator, comprising: UL/DL HW load:low, mid, high, overload;
[3] .TNL load indicator, comprising: UL/DL TNL load:low, mid, high, overload;
[4] the compound available capability group of Composite Available Capacity Group(), this value has been indicated overall available resources grade, be the load condition that has considered radio resource Status, HW load indicator, TNL load indicator and adjacent cell, Composite Available Capacity Group only considers radio resource Status available resources situation in the present embodiment.
Radio resource Status has comprised two newly-added informations in the present embodiment: DL PRB available usage, UL PRB available usage, be that DL PRB available usage is the descending PRB high load capacity of DLPRBHighLoadTh(thresholding) deduct DL Total PRB usage (the total use amount of descending PRB), UL PRB available usage is the up PRB high load capacity of UL PRBHighLoadTh(thresholding) deduct UL Total PRB usage (the total use amount of up PRB), note represents that when result of calculation is less than 0 No Assets can use, can unify to be filled to 0.Therefore when eNB1 receives RESOURCE STATUS UPDATE message, consider by DL PRB available usage and UL PRB available usage whether eNB2 community has abundant resources to receive new user.If DL PRB available usage or UL PRB available usage are not 0, be that eNB2 cell uplink or down direction do not reach high load capacity, and upstream or downstream PRB resource has more than needed, eNB1, according to eNB2 surplus resources situation, selects user to carry out load adjustment in the situation that guaranteeing to trigger eNB2 upstream or downstream high load capacity; If DL PRBavailable usage or UL PRB available usage value are 0, show eNB2 cell uplink or the descending high load capacity that reaches, eNB1 stops carrying out load balancing to eNB2.
The resource status indication information that comprises a plurality of communities in the RESOURCE STATUS UPDATE message that eNB1 receives or while simultaneously receiving the RESOURCE STATUS UPDATE message that a plurality of stations send, selects to fill Zhi compare great community to UL PRB available usage or DL PRB available usage and carries out load adjustment according to self uplink and downlink load situation is preferential.
The embodiment of the present invention also provides a kind of load equalization method, as shown in Figure 4, comprising:
Step S401, reception have overlapping covered base station and determine that cell load is higher than setting the resource status request message sending after threshold value;
Step S402, to base station, return to resource status updating message, resource status updating message comprises available resources quantity, is determined the number of users that carries out load balancing switching by base station according to available resources quantity.
Further, available resources quantity is specially:
Up PRB available resources and descending PRB available resources.
Preferably, available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
Preferably, resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in resource status updating message, carry available resources quantity information.
The embodiment of the present invention is also corresponding provides a kind of base station, as shown in Figure 5, comprising:
Transmitting element 501, for determining that cell load is higher than setting after threshold value, the base station that Xiang Yugai community has overlapping covered community sends resource status request message;
Receiving element 502, for receiving the resource status updating message of returning base station, resource status updating message comprises available resources quantity;
Wherein, available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
Preferably, available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
Further, resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in resource status updating message, carry available resources quantity information.
Preferably, balanced unit 503 also for:
When receiving the resource status updating message of a plurality of base station feedback, according to the available resources quantity of each community order from big to small, carry out load balancing.
The embodiment of the present invention also provides a kind of base station, as shown in Figure 6, comprising:
Wherein, available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
Further, available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
Preferably, resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in resource status updating message, carry available resources quantity information.
The embodiment of the present invention also provides a kind of base station, as shown in Figure 7, comprises processor 701 and transmitting-receiving interface 702, wherein:
When this base station is when initiating the base station of load balancing:
When this base station is during as the base station of load balancing object:
This base station can also be for realizing other function of the load-balancing method that the embodiment of the present invention provides.
The embodiment of the present invention provides a kind of load equalization method and base station, in resource status updating message, increase available resources quantity, make the base station that need to carry out load balancing to determine the number of users that carries out load balancing switching according to this available resources quantity, and then avoided entering higher load condition due to other community that makes that load balancing causes, also avoided the pingpang handoff causing due to load balancing.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (18)
1. a load equalization method, is characterized in that, comprising:
Determine that cell load is higher than setting after threshold value, the base station that Xiang Yugai community has overlapping covered community sends resource status request message;
Receive the resource status updating message of returning described base station, described resource status updating message comprises available resources quantity;
According to described available resources quantity, determine the number of users that carries out load balancing switching.
2. the method for claim 1, is characterized in that, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
3. the method for claim 1, is characterized in that, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
4. the method for claim 1, is characterized in that, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
5. the method for claim 1, is characterized in that, when receiving the resource status updating message of a plurality of base station feedback, according to the available resources quantity of each community order from big to small, carries out load balancing.
6. a load equalization method, is characterized in that, comprising:
Reception has overlapping covered base station and determines that cell load is higher than setting the resource status request message sending after threshold value;
To described base station, return to resource status updating message, described resource status updating message comprises available resources quantity, is determined the number of users that carries out load balancing switching by described base station according to described available resources quantity.
7. method as claimed in claim 6, is characterized in that, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
8. method as claimed in claim 6, is characterized in that, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
9. method as claimed in claim 6, is characterized in that, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
10. a base station, is characterized in that, comprising:
Transmitting element, for determining that cell load is higher than setting after threshold value, the base station that Xiang Yugai community has overlapping covered community sends resource status request message;
Receiving element, for receiving the resource status updating message of returning described base station, described resource status updating message comprises available resources quantity;
Balanced unit, for determining the number of users that carries out load balancing switching according to described available resources quantity.
11. base stations as claimed in claim 10, is characterized in that, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
12. base stations as claimed in claim 10, is characterized in that, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
13. base stations as claimed in claim 10, is characterized in that, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
14. base stations as claimed in claim 10, is characterized in that, described balanced unit also for:
When receiving the resource status updating message of a plurality of base station feedback, according to the available resources quantity of each community order from big to small, carry out load balancing.
15. 1 kinds of base stations, is characterized in that, comprising:
Message sink unit, has overlapping covered base station and determines that cell load is higher than setting the resource status request message sending after threshold value for receiving;
Message sending unit, for returning to resource status updating message to described base station, described resource status updating message comprises available resources quantity, is determined the number of users that carries out load balancing switching by described base station according to described available resources quantity.
16. base stations as claimed in claim 15, is characterized in that, described available resources quantity is specially:
Ascending physical signal Resource Block PRB available resources and descending PRB available resources.
17. base stations as claimed in claim 15, is characterized in that, described available resources quantity is specially:
In the high load capacity threshold value of community and community, used the difference of resource; Or
In the high load capacity threshold value of community and community, used the difference of resource to be multiplied by the resource quantity obtaining after preset proportion.
18. base stations as claimed in claim 15, is characterized in that, described resource status updating message comprises available resources quantity, is specially:
In compound available capability group information in described resource status updating message, carry available resources quantity information; Or
In Radio Resource state information in described resource status updating message, carry available resources quantity information.
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| CN107484208A (en) * | 2017-08-30 | 2017-12-15 | 广东工业大学 | The load-balancing algorithm and system of a kind of heterogeneous network |
| CN109474959A (en) * | 2017-09-07 | 2019-03-15 | 大唐移动通信设备有限公司 | A kind of method and apparatus of cell access |
| CN109495929A (en) * | 2017-09-12 | 2019-03-19 | 华为技术有限公司 | A kind of method for processing business, mobile edge calculations equipment and the network equipment |
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