Embodiment
UE communication quality is caused to decline in order to avoid first network load balance ability is limited, the embodiment of the present invention provides one
The Load Balancing Solution of kind heterogeneous network.Wherein, determine can not be right in first network for the access network equipment of first network
Target UE carries out load balancing, asks to the access network equipment transmission load balancing of the second network, is taken in the load balancing requests
Identification information with UE terminals;The access network equipment of second network receives the load balancing that the access network equipment of first network is sent
Request, and target UE is determined according to the identification information of target UE, load balance process is carried out to target UE.The embodiment of the present invention
The technical solution of offer, ensure that the communication quality of UE, further also ensure that communication quality in first network will not be because
Further deteriorate for load balance process limited ability.
In the embodiment of the present invention, the first network in heterogeneous network refers to determine that present networks can not load target UE
Balanced network, such as some AP in WLAN overload, and are found without suitably after load balance process
Switch during other AP for target UE, then the wlan network is first network.
Technical solution provided in an embodiment of the present invention is described in detail below in conjunction with attached drawing.
In the second network side, the load-balancing method of heterogeneous network provided in an embodiment of the present invention is as shown in Figure 1, specific bag
Include following operation:
The load balancing that the access network equipment that step 100, the access network equipment of the second network receive first network is sent please
Ask, the identification information of target UE is carried in the load balancing requests.
Step 110, the access network equipment of second network determine target UE according to the identification information of target UE, to target
UE carries out load balance process.
In the embodiment of the present invention, the access network equipment of first network can ask the access network equipment of the second network to single
Target UE carries out load balance process, and the access network equipment of the second network can also be asked to carry out load balancing to multiple target EU
Processing.If load balancing requests carry out load balance process to multiple target UE, it is preferred that being carried in the load balancing requests
The list of identification information of target UE.
In the embodiment of the present invention, the access network equipment of the second network target UE is carried out load balance process mode have it is more
Kind, enumerate below wherein several:
(One)Notify target UE by the service switching being carried in first network to this access network equipment.
(Two)Discharge business of the target UE in first network.
(Three)Notice target UE this access network equipment into the second network by the service switching being carried in first network
Adjacent log equipment.
Wherein, it can both fix and carry out load balance process according to any of the above-described mode.It is preferred that can be according to this access
The loading condition of net equipment, adapts to Sexual behavior mode one way in which and carries out load balance process.
In heterogeneous network, the identification information of UE used in first network and the second Network Recognition UE may be different, then
Just need to establish the correspondence of identification informations of the UE in first network and identification information in the second network.
Correspondingly, by identification informations of the access network equipment generation UE in first network and the second network in first network
Correspondence, and the correspondence is sent to the access network equipment in the second network.The access network equipment of second network receives
Identification information pair of the target terminal that the access network equipment of the first network is sent in first network and the second network
It should be related to.
Wherein, the embodiment of the present invention is not construed as limiting the transmission time of the correspondence, as long as in the access of the second network
Net equipment determines to transmit before the identification informations of target UE in the second network according to the correspondence.
Further, the identification information of the target UE carried in above-mentioned load balancing requests can be target UE second
Identification information in network.So, the specific implementation of step 110 can be:The access network equipment of second network is according to negative
The identification information for carrying the target UE carried in balancing requests determines target UE, judges whether target UE is connected to second network
Access network equipment;If so, load balance process is carried out by the connection established with target UE;Otherwise, establish and connect with target UE
Load balance process is carried out after connecing.Can with but be not limited only to use aforesaid way(One)Or mode(Two)Carry out at load balancing
Reason.
The identification information of the target UE carried in above-mentioned load balancing requests can also be target UE in first network
Identification information.So, the specific implementation of above-mentioned steps 110 can be:According to what is carried in above-mentioned load balancing requests
The identification information of target UE, and identification informations of the target UE received in first network and the second network correspond to relation, really
The identification informations of fixed target UE in the second network;Target UE is determined according to the identification informations of target UE in the second network,
Judge whether target UE is connected to the access network equipment of the second network;If so, carried out by the connection established with target UE
Load balance process;Otherwise, load balance process is carried out after establishing connection with target UE.Can with but be not limited only to use above-mentioned side
Formula(One)Or mode(Two)Carry out load balance process.
In this case, the correspondence of identification informations of the UE in first network and identification information in the second network
It can also carry and be sent in load balancing requests.So, associated UE is carried first in above-mentioned load balancing requests message
Identification information in network and identification information in the second network.
If the identification information of UE used in first network and the second Network Recognition UE is different, then, can not also be to
The access network equipment of second network sends identification informations of the target UE in first network and the second network and corresponds to relation, above-mentioned negative
The identification information for carrying the target UE carried in balancing requests is the identification informations of target UE in the second network.So, step
110 specific implementation can be:The access network equipment of second network is according to the target UE's carried in load balancing requests
Identification information determines target UE, judges whether target UE is connected to the access network equipment of second network;If so, by with mesh
Mark the connection that UE is established and carry out load balance process;Otherwise, load balance process is carried out after establishing connection with target UE.Can with but
It is not limited only to use aforesaid way(One)Or mode(Two)Carry out load balance process.
In first network side, the load-balancing method of heterogeneous network provided in an embodiment of the present invention is as shown in Fig. 2, specific bag
Include following operation:
Step 200, the access network equipment of first network determine that load balancing can not be carried out to target UE in first network.
According to the particular type of first network, the specific implementation of step 200 is referred to existing in corresponding network
Realization rate realizes that the present invention repeats no more.
Step 210, the access network equipment of first network are asked to the access network equipment transmission load balancing of the second network, should
The identification information of target UE is carried in load balancing requests.
In the embodiment of the present invention, the access network equipment of first network can ask the access network equipment of the second network to single
Target UE carries out load balance process, and the access network equipment of the second network can also be asked to carry out load balancing to multiple target EU
Processing.If load balancing requests carry out load balance process to multiple target UE, it is preferred that being carried in the load balancing requests
The list of identification information of target UE.
In heterogeneous network, the identification information of UE used in first network and the second Network Recognition UE may be different, then
Just need to establish the correspondence of identification informations of the UE in first network and identification information in the second network.Correspondingly,
The identification informations of the target UE that the access network equipment reception target UE of first network is sent in the second network, then generate mesh
Mark identification informations of the UE in first network and the second network and correspond to relation, and by target UE in first network and the second network
In identification information correspond to the access network equipment that relation is sent to the second network.
Further, the identification information of the target UE carried in above-mentioned load balancing requests can be target UE second
Identification information in network.Specifically, the access network equipment of first network can be according to target UE in first network and the second net
Identification information in network corresponds to relation, searches the identification informations of target UE in the second network, by target UE this second
Identification information in network carries the access network equipment that second network is sent in load balancing requests;First network connects
The identification informations of the target UE obtained from target UE in the second network can also be sent to the second network by log equipment
Access network equipment.
Further, the identification information of the target UE carried in above-mentioned load balancing requests can also be target UE
Identification information in one network.Specifically, identification informations of the target UE in first network is carried in load balancing requests
It is sent to the access network equipment of the second network.
In this case, the correspondence of identification informations of the UE in first network and identification information in the second network
It can also carry and be sent in load balancing requests.So, associated UE is carried first in above-mentioned load balancing requests message
Identification information in network and identification information in the second network.
If the identification information of UE used in first network and the second Network Recognition UE is different, then, can not also be to
The access network equipment of second network sends identification informations of the target UE in first network and the second network and corresponds to relation, above-mentioned negative
The identification information for carrying the target UE carried in balancing requests is the identification informations of target UE in the second network.Specifically, the
The access network equipment of one network can be according to target UE that is this generation or pre-saving in first network and the second network
In identification information correspond to relation, the identification informations of target UE in the second network are searched, by target UE in second net
Identification information in network carries the access network equipment that second network is sent in load balancing requests;The access of first network
The identification informations of the target UE obtained from target UE in the second network can also be sent to connecing for the second network by net equipment
Log equipment.
Below using WLAN as first network, exemplified by UMTS or LTE are as the second network, to the embodiment of the present invention into traveling
One step explanation.
In following declarative procedure, illustrated so that the cooperation of first network and the second network side is implemented as an example, but this
It is not meant to that the two must coordinate implementation, in fact, when first network and the second network side are performed separately, also solves point
Not in the problems of first network side, the second network side, when simply the two is used in combination, superior technique effect can be obtained
Fruit.
Under the network scenarios shown in Fig. 3, UE is located at the base station of LTE(eNB)Scope is collectively covered with the AP1 of WLAN
Under.UE communicates with eNB, and establishes 2 carryings with eNB, respectively transmission services 1 and business 2.Follow-up UE find AP1 it
Afterwards, based on the strategy in ANDSF, establish and associate with AP1, and business 1 is switched to AP1 from eNB.In this way, UE at the same time with eNB and
AP1 keeps connection, and business 1 is transmitted by AP1, and business 2 is transmitted by eNB.
The identification informations of UE in a wlan are media access controls(Medium Access Control, MAC)Address, also
It can be the association identification in WALN.
Under connection status, identification informations of the UE in LTE is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI(Cell Radio
Network Temporary Identify, CRNTI), under idle condition, identification informations of the UE in LTE is Non-Access Stratum
(Non-Access Stratum, NAS)Mark, such as international mobile subscriber identity(International Mobile
Subscriber Identification Number, IMSI)Deng.
If follow-up AP1 has found the demand for having migration UE to LTE network.Such as AP1 occur overload either disturb it is excessive or
Know that the communication quality of UE is poor, therefore make the judgement of migration UE to other AP.But UE is in the coverage of AP2 at this time
Interior A Wei Ge, AP1 are by UE to AP2 beacons(beacon)After channel measures, learn that AP2 is also at overload or interference too
Greatly, the service of WLAN can be around provided without suitable AP.Or UE is in B Wei Ge, the coverage of AP2 is not at
(Without other alternative AP), at this time AP1 determine in WALN that load balancing can not be carried out to UE, will by AP-eNB signaling interfaces to
ENB transmission load balancings are asked.
The first processing procedure is as shown in figure 4, specifically include following operation:
Step 300, AP1 obtain its identification information in LTE by data frame from UE.
Since UE still has service bearer in LTE, then the identification information that UE is sent to AP1 can be in LTE
The mark of CRNTI or NAS.
Step 310, AP1 establish identification informations of the UE in WLAN and LTE and correspond to relation, and the correspondence is sent to
eNB。
For example, identification informations of the UE in WLAN and LTE corresponds to relation i.e., the MAC Address and UE of UE1 is in LTE
Identification information corresponds to relation
Step 320, AP1 are asked to eNB transmission load balancings, and the MAC Address of UE is carried in the load balancing requests.
After step 330, eNB obtain the load balancing requests, believed by mark of the MAC Address and UE of UE in LTE
Correspondence is ceased, finds UE, and in the manner described above(One)Or mode(Two)Follow-up load balance process is carried out to the UE.
Second of processing procedure is as shown in figure 5, specifically include following operation:
Step 400, AP1 obtain its identification information in LTE by data frame from UE.
Since UE still has service bearer in LTE, then the identification information that UE is sent to AP1 can be in LTE
The mark of CRNTI or NAS.
Step 410, AP1 are asked to eNB transmission load balancings, and marks of the UE1 in LTE is carried in the load balancing requests
Information.
After step 420, eNB obtain the load balancing requests, by identification informations of the UE in LTE, UE is found, and press
According to aforesaid way(One)Or mode(Two)Follow-up load balance process is carried out to the UE.
For the processing procedure shown in Fig. 5, optionally, between step 400 and step 410, AP1 can also establish UE and exist
The correspondence of identification information in WLAN and LET, and the correspondence is sent to eNB.
Specifically, if eNB has found that UE has connection in the lte networks, it can use dedicated signaling notice UE will
The Business Stream for being carried on WLAN is switched back under the eNB, by LTE come bearer service.Or business of the UE in WLAN is discharged, or
Person notifies UE to be carried on the service switching of WLAN before to the adjacent eNB of the eNB.
Under the network scenarios shown in Fig. 3, UE is located at the collectively covering under scope of eNB and AP1.UE communicates with eNB,
And 1 carrying is established with eNB, it is used for transmission business 1.After follow-up UE has found AP1, establish and associate with AP1, and by business 1
AP1 is switched to from eNB.In this way, UE only keeps connecting with AP1.
If follow-up AP1 has found the demand for having migration UE to LTE.Such as AP1 occurs overload and either disturbs excessive or know
The communication quality of UE is poor, therefore makes the judgement of migration UE to other AP.But UE is in A in the coverage of AP2 at this time
After Wei Ge, AP1 measure AP2beacon channels by UE, learn that AP2 is also at overload or interference is too big, and surrounding
There is no the service that suitable AP can provide WLAN.Or UE is in B Wei Ge, the coverage of AP2 is not at(It is alternative without other
AP), at this time AP1 determine in WALN that load balancing can not be carried out to UE, it is equal load to eNB will to be sent by AP-eNB signaling interfaces
Weighing apparatus request.
Its processing procedure may refer to Fig. 4 and Fig. 5.Difference is:
Since UE does not have service bearer in LTE, then the identification information that UE is sent to AP1 is the mark of NAS.
ENB has found that UE there is no connection, first can send paging message to UE, allow UE to enter connected state in the lte networks
UE is notified to switch back to the Business Stream for being carried on WLAN under the eNB by dedicated signaling afterwards, by LTE come bearer service.Or
Person discharges business of the UE in WLAN, or notice UE will be carried on the service switching of WLAN before to the adjacent eNB of the eNB.
It should be pointed out that although the embodiment of the present invention is using WLAN as first network, LTE is to be said exemplified by the second network
It is bright.But it is not limited only to this application scenarios.As long as some network in heterogeneous network determines not loaded in present networks
Equilibrium treatment, can ask as other network transmission load balancings of first network into heterogeneous network, correspondingly, being asked
The network asked i.e. the second network.
Based on the inventive concept same with method, the access net that the embodiment of the present invention is also provided in a kind of heterogeneous network is set
Standby, its structure is as shown in fig. 6, specific implementation structure is as follows:
Load balancing requests receiving module 601, the load balancing that the access network equipment for receiving other networks is sent please
Ask, the identification information of target terminal is carried in the load balancing requests;
Load balance process module 602 is right for determining the target terminal according to the identification information of the target terminal
The target terminal carries out load balance process.
It is preferred that load balance process module 602 is specifically used for:The target terminal is notified to be carried on other described nets
Service switching in network is into this access network equipment;Alternatively, discharge business of the target terminal in other described networks;Or
Person, notifies the target terminal to set the service switching being carried in other the described networks access net adjacent into present networks
It is standby.
On the basis of based on any embodiment shown in Fig. 6, if the access network equipment of transmission load balancing request(First
The access network equipment of network)Target terminal is established in first network and the second network(Net where access network equipment shown in Fig. 6
Network)Identification information correspond to relation, then in a preferred embodiment, the load balance process module 602 is specifically used for:
The target terminal is determined according to the identification information of the target terminal carried in the load balancing requests, judges institute
State whether target terminal is connected to this access network equipment, the identification information is identification information of the target terminal in present networks;
If so, load balance process is carried out by the connection established with the target terminal;
Otherwise, load balance process is carried out after establishing connection with the target terminal.
On the basis of based on any embodiment shown in Fig. 6, if the access network equipment of first network(Connecing shown in Fig. 6
Log equipment)Target terminal is established in first network(Network where the access network equipment of transmission load balancing request)With second
The identification information of network corresponds to relation, then in another preferred embodiment, access network equipment provided in an embodiment of the present invention is also
Including correspondence receiving module, it is used for:
The target terminal that the access network equipment of other networks described in receiving is sent is in other described networks and present networks
In identification information correspond to relation.
Further, the load balance process module 602 is specifically used for:
According to the identification information of the target terminal carried in the load balancing requests, and target terminal is in other described nets
Identification information in network and present networks corresponds to relation, determines identification information of the target terminal in present networks, the load
The identification information of the target terminal carried in balancing requests is identification information of the target terminal in other described networks;
The target terminal is determined according to identification information of the target terminal in present networks, judges the target terminal
Whether this access network equipment is connected to;
If so, load balance process is carried out by the connection established with the target terminal;
Otherwise, load balance process is carried out after establishing connection with the target terminal.
Based on the inventive concept same with method, the access net that the embodiment of the present invention is also provided in a kind of heterogeneous network is set
Standby, its structure is as shown in fig. 7, specific implementation structure is as follows:
Load evaluation module 701, for determining that load balancing can not be carried out to target terminal in present networks;
Load balancing requests sending module 702, for the access network equipment transmission load balancing request to objective network, institute
State the identification information that target terminal is carried in load balancing requests.
On the basis of based on the embodiment shown in Fig. 7, access network equipment provided in an embodiment of the present invention can also include pair
Relationship processing module is answered, is used for:
Receive the identification information of the target terminal that the target terminal is sent in objective network;
Generate identification information of the target terminal in present networks and objective network and correspond to relation, and the target is whole
The identification information in present networks and objective network is held to correspond to the access network equipment that relation is sent to the objective network.
Then 702 specific implementation of load balancing requests sending module can be:
Identification information of the target terminal in present networks is carried the target is sent in load balancing requests
The access network equipment of network.
702 specific implementation of load balancing requests sending module can also be:
Relation is corresponded to according to identification information of the target terminal in present networks and objective network, it is whole to search the target
Hold the identification information in the objective network;Alternatively, the target terminal is obtained in the target network from the target terminal
Identification information in network;
Identification information of the target terminal in the objective network is carried institute is sent in load balancing requests
State the access network equipment of objective network.
Based on the inventive concept same with embodiment of the method, the embodiment of the present invention provides the communication system in a kind of heterogeneous network
System, its structure is as shown in figure 8, specific implementation structure is as follows:
The access network equipment 801 of first network, the access network equipment 802 of the second network and target terminal 803;
The access network equipment 801 of the first network determines not carrying out target terminal 803 in the first network
Load balancing, asks to 802 transmission load balancing of access network equipment of the second network, target is carried in the load balancing requests
The identification information of terminal 803;
The access network equipment 802 of second network receives the load balancing that the access network equipment 801 of first network is sent
Request, and the target terminal 803 is determined according to the identification information of the target terminal 803, target terminal 803 is loaded
Equilibrium treatment.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
Usable storage medium(Including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)The computer program production of upper implementation
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, equipment(System)And the flow of computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided
The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact
The dress Ge for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Ling the manufacture of Zhuan Ge, the Zhi Ling Zhuan Ge realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.