CN102625396B - A kind of method for managing resource and system - Google Patents
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- CN102625396B CN102625396B CN201110030406.0A CN201110030406A CN102625396B CN 102625396 B CN102625396 B CN 102625396B CN 201110030406 A CN201110030406 A CN 201110030406A CN 102625396 B CN102625396 B CN 102625396B
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- 238000007726 management method Methods 0.000 claims description 49
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- 238000012986 modification Methods 0.000 claims description 27
- 238000013468 resource allocation Methods 0.000 claims description 19
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
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Abstract
The invention discloses a kind of method for managing resource and system, when can implement stream migration or switching between H (e) NB and WLAN by UE, judge whether UE accesses from H (e) NB and WLAN under identical fixed network link according to fixed network tunnel information；When judged result is to be, receive the switching or stream migration.The inventive method and system, it is ensured that when switching between H (e) NB and WLAN of the UE under same fixed network link or stream migration, can be prevented effectively from due to handoff failure caused by moment inadequate resource.
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of method for managing resource and system.
Background technology
The packet of third generation partner program (3rd Generation Partnership Project, 3GPP) evolution
System (Evolved Packet System, EPS), the EPS network architecture diagrams of non-roaming scene as shown in Figure 1, by evolution
UMTS land radio access web (Evolved UniversalTerrestrial Radio Access
Network, E-UTRAN), mobile management unit (MobilityManagement Entity, MME), gateway (Serving
Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, P-GW or PDN GW), return
Belong to client server (Home Subscriber Server, HSS), "Policy and Charging Rules Function (Policy and
ChargingRules Function, PCRF) entity and other support nodes composition.Strategy and charging regulation function entity
(PCRF) be PCC core, be responsible for strategic decision-making and the formulation of charging regulation.PCRF provides the network based on business data flow
Control rule, these networks control includes the detection of business data flow, gates (Gating Control), service quality
(Quality of Service, QoS) control and the charging regulation based on data flow etc..Strategy and meter that PCRF is formulated
Expense rule is sent to PCEF execution, meanwhile, PCRF also needs to ensure that these rules are consistent with the signing information of user.PCRF is formulated
The foundation of strategy and charging regulation includes：The information related to business is obtained from AF；From user-subscribed database
(SubscriptionProfile Repository, SPR) is obtained and user policy, billing control and subscription information；Obtained from PCEF
Information with carrying network of relation.
EPS supports the intercommunication with non-3 GPP system.Intercommunication with non-3 GPP system realized by S2a/b/c interfaces, P-GW
It is used as the anchor point between 3GPP and non-3 GPP system.EPS system architecture diagram is as shown in Figure 1.Wherein be divided into can for non-3 GPP system
Trust non-3 gpp IP accesses and trustless non-3 gpp IP accesses.Trusted non-3 gpp IP accesses can directly pass through S2a interfaces
It is connected with P-GW, the interface uses PMIPv6 (Proxy Mobile IP version 6, proxy-mobile IP version 6) agreement；No
Trusted non-3 gpp IP accesses need to pass through ePDG (Evolved Packet Data Gateway, the packet data gateway of evolution)
It is connected with P-GW, the interface between ePDG and P-GW is S2b, using PMIPv6 or GTP (GeneralPacket Radio
Service tunnel Protocol, general packet radio service tunnel agreement) agreement, and UE (User Equipment,
User equipment) it is right using IPSec (Internet Protocolsecurity, Internet protocol security) between ePDG
Protection is encrypted in signaling and data.S2c provides the related control of user plane between UE and P-GW and mobility support, its
The mobility management protocol of support is DSMIPv6 (Mobile IPv6Support for Dual Stack Hosts and
Routers, supports the mobile IP v 6 of double stacks).
Current problem FMC (Fixed Mobile Convergence, fixed network mobile fusion), for 3GPP and BBF
The unified management of (Broadband Forum, Broadband Forum) access network policy is studied.The access network is commonly referred to as fixed network,
Refer in particular to WLAN (WLAN) access.Two kinds of big scenes of FMC technologies：
UE passes through Home eNodeB (H (e) NB) core network access EPC (Evolved Packet Core, the packet core of evolution
Heart net), belong to the scene of 3GPP/H (e) NB accesses EPC technology, wherein H (e) NB occupy fixed network circuit.
UE by WLAN access networks (fixed network) access mobile core net EPC, the scene belong to non-3 gpp (WLAN access networks/
Fixed network) access EPC technology.Its basic norm accessed need to meet above-mentioned EPS support with the intercommunication of non-3 GPP system will
Ask, it is specific to be divided into S2a, S2b and S2c access again.
Two large scenes for more than, illustrate the principal character of scene and run business under both scenes separately below
When the problem of exist.
One .H (e) NB access scene introduction
EPS supports the access of Home eNodeB (HeNB), and HeNB is a kind of small-sized, low-power base station, is deployed in family, does
The interior such as public room and enterprise building place.Closed user group (Closed SubscriberGroup, CSG) is to introduce Home eNodeB
The concept proposed afterwards.The user of usual one family or an enterprises constitutes a closed user group, and this closure is used
Family group is identified with CSG ID.There is identical CSG ID for the Home eNodeB of user service in this closed user group.When
When one closed user group is only serviced by one family base station, the closed user group can also directly use home eNodeB identifies
(for example, BS ID) is identified.According to the wish of Home eNodeB manager, CSG user and/or non-CSG user can distinguish
Different grades, priority different then its service priority enjoyed, enjoyment service quality and classs of service can be different.With
Family can be linked into the Home eNodeB corresponding to multiple closed user groups by being contracted with operator, for example, the office of user
Institute, family etc..Therefore introducing allows the concept of closed subscriber group list.This list is stored in the UE and network side of user
In user data server.
The use pattern of Home eNodeB is divided into three kinds：Closed mode, mixed mode and open mode.When Home eNodeB is to close
During syntype, only the affiliated CSG contracted users of the Home eNodeB can access the base station and enjoy the business of base station offer；It is main
When front yard base station is open mode, any operator contracted user can access the base station, and Home eNodeB now is equal to grand
Base station is used；When Home eNodeB is mixed mode, also allows for any operator contracted user or roaming service customer connects
Enter to use, but the different rank of the data separation for the CSG that whether to be contracted according to user, that is, the user for the CSG that contracts is using
With higher service priority during mixed type Home eNodeB, more preferable service quality and class of service are enjoyed.
HeNB generally accesses EPS core net by the fixed network circuit of rental, as shown in Figure 2.In order to ensure the peace of access
Entirely, security gateway (Security Gateway, SeGW) is introduced in core net to be shielded, the data between HeNB and SeGW will
It is packaged using IPSec (IP Security, Internet Protocol Security).HeNB can be by the IPSec that is set up with SeGW
Tunnel is directly connected to the MME and S-GW of core net, can also be connected to MME and S-GW, i.e. HeNB GW by HeNB GW again
It is an optional network element.Meanwhile, HeNB is managed in order to realize, network element home base station management system (Home is introduced
ENodeB Management System, HeMS) because with relation of the present invention less, therefore not shown in Organization Chart.
In addition, UMTS (Universal Mobile Telecommunications System,
UMTS Home eNodeB HNB (Home NodeB) access) is supported.Similar to Fig. 2 and its description.Unlike, it is logical using service
With packet wireless business support node (Serving General Packet RadioService Support Node, SGSN)
S-GW is instead of, ggsn (Gateway General Packet Radio are used
Service Supporting Node, GGSN) it instead of P-GW.
Because the QoS of H (e) the NB fixed network circuits accessed is typically the owner and fixed network operator by HeNB/HNB
Signing limitation.Therefore, when 3GPP UE access 3GPP core net access services by HeNB/HNB, required QoS can not surpass
Cross the QoS of the signing for the fixed network circuit that fixed network operator can be provided.Otherwise, the QoS of UE access services cannot be ensured, special
It is not to ensure that the business of bit rate (GuaranteedBitrate, GBR) is even more so.Therefore, come for 3GPP networks and fixed network
Say, it is necessary to which a set of unified mechanism of control realizes the call access control of user/connection/business.For example：When there is new business
During initiation, only in the case where fixed network ensures there are enough resource/bandwidths, take into account and consider mobile network resource also sufficient condition
Under, the business could be received；Otherwise, the business should just be refused.
Management is uniformly controlled in order to realize resource, plurality of optional scheme is there is currently, prior art is first introduced below
Operating process, referring to Fig. 4 and Fig. 5.
Scheme one
This programme is described as follows referring to Fig. 4, flow：
Step 401, it is electric on H (e) NB, the IPsec tunnels to SeGW are set up, and to H (e) NB GW/MME registrations, set up
S1/Iuh sessions.
Step 402, UE is accessed by H (e) NB, completes eat dishes without rice or wine access operation, Certificate Authority operation etc..
Step 403, MME is toggled, sends and creates session request to S-GW, S-GW sends establishment session to P-GW please
Ask, the GTP tunnel of segmentation is set up in request；
Step B：P-GW initiates IP-CAN session establishments to PCRF to be asked.
Step 404, P-GW distributes IP address to UE, and once passes to S-GW and MME by creating conversational response message.
Step 405, MME is by subsequent operation, establishes and eats dishes without rice or wine to connect and access net loaded, and is that UE is distributed by P-GW
IP address be sent to UE.
Step A, is triggered by step B, and PCRF reversely initiates strategy session foundation, and PCRF, which is set up, arrives BPCF
(Broadband Forum Policy control Function/Framework, Broadband Forum policy control functions/framework)
S9* sessions, BPCF sets up/flushes to BNG/BRAS fixed network strategy session.
Wherein, there is incidence relation in PCRF in the session that step A and step B is set up.Therefore, policy information can pass through plan
Slightly session and the incidence relation intercommunication between fixed network and the corresponding network element of mobile network.
Scheme two and scheme three
Both schemes are described as follows referring to Fig. 5, flow：
It is electric on 501, H (e) NB, set up the IPsec tunnels to SeGW.
Step A：SeGW is toggled, initiates the S16/T1 to H (e) NB PF (Policy Function, policing feature)
Interface session sets up operation.
502, H (e) NB to H (e) NB GW/MME are registered, and set up S1/Iuh sessions.
Step is B.1：Strategy session is set up.
H (e) NB GW or MME is toggled, sets up the S15 interface sessions to H (e) NB PF, H (e) NB PF are by tactile
Hair, sets up the S9* sessions to BPCF, and BPCF is toggled, sets up the strategy session to BNG/BRAS.
B.2, H (e) NB initiate strategy session to H (e) NB PF and set up (T2 interface sessions) step, and H (e) NBPF are by tactile
Hair, S9* session establishments are initiated to BPCF, and BPCF sets up/refreshed fixed network strategy session to BNG/BRAS.
Wherein, in doing so, can be using the strategy session of above-mentioned foundation solid if UE is linked into H (e) NB
Intercommunication policy information between net and mobile network.There is corresponding relation, therefore, plan at each network element node in above-mentioned strategy session
Slightly information can the intercommunication between fixed network and the corresponding network element of mobile network by strategy session and incidence relation.
Wherein, B.1 and B.2 step is alternative, and scheme two and scheme three are separately constituted with step A.
2nd, WLAN accesses scene introduction
EPC scene is accessed for WLAN, there is also the mechanism of resource management, equally causes business there is also inadequate resource
The situation of operation failure.Management is uniformly controlled in order to realize resource, plurality of optional scheme is there is currently, first introduces below existing
The operating process of technology, referring to Fig. 3, flow is described as follows：
Step 301, UE access fixed networks.Wherein the fixed network supports certification based on 3GPP, and UE passes through BNG/BRAS, fixed network
AAA completes Certificate Authority as the HSS/AAA of agency (proxy) to EPC networks.
Wherein the authentication mode based on 3GPP is optional, if not supporting the authentication mode based on 3GPP, UE is only arrived
The AAA of fixed network completes access authentication.
Step 302, it is the local ip address of its distribution that UE, which obtains fixed network (being usually BNG/BRAS),.
Wherein, step 302 and step 301 are the interaction of multiple messages, and are not necessarily that step 302 necessarily occurs in step
After 301.In a word, UE completes acquisition local ip address in step 301 and step 302 and completes Certificate Authority.
Step is A.1：Strategy session is set up.
BNG/BRAS is initiated to BPCF fixed network strategy session to set up, and BPCF is received after triggering, is set up with PCRF's
S9* sessions.Wherein BPCF and local PCRF (H-PCRF) may be by visited place PCRF (VPCRF) when setting up session.Meeting above
Words belong to strategy session.
Step 303, UE and ePDG sets up IPsec tunnels, and is accomplished to 3GPP HSS/AAA certification.
Step is A.2：Strategy session is set up.
EPDG is toggled, initiates strategy session to PCRF and sets up operation (Gxb* sessions).
PCRF (being then VPCRF if roaming condition) initiates strategy session (S9* sessions) to BPCF and set up.
Step 304, ePDG sends PBU (Proxy Binding Update, agent binding update) message, request to P-GW
Set up binding relationship.
Step B, PCRF initiate strategy session to PCRF and set up operation (IP-CAN sessions).
Wherein, if the local route pattern of non-roaming scene either roaming scence, P-GW can directly and local
PCRF (HPCRF) establishment strategy session；If the local break-out scene of roam mode, P-GW can be with VPCRF establishment strategy meetings
Words, are HPCRF interactive strategy information by VPCRF.
To the IP-CAN sessions set up in this step and A.1 if performed A.1 or A.2, PCRF is in step
The S9* sessions set up or the Gxb* A.2 set up in step conversate association.
Note：If there is vPCRF, S9* sessions or Gxb* sessions can be connected by S9 sessions with hPCRF, i.e. hPCRF is closed
Connection is S9 sessions and IP-CAN sessions.
Step 305, P-GW is that UE distributes IP address, and passes through PBA (Proxy Binding Ack, agent binding confirmation)
Messages meant is to ePDG；
Step 306, IPsec tunnel buildings are completed between ePDG and UE, and UE to is sent address by IKEv2 message.
Step is A.3：V/HPCRF reversely initiates strategy session (S9* after by the triggering of IP-CAN session establishments to BPCF
Session) set up；
BPCF is operated by the foundation of S9* sessions and triggered, the fixed network plan of reverse foundation/between refreshing BNG/BRAS and BPCF
Slightly session.
Wherein, above-mentioned step A.1, A.2, A.3 and step B is that for establishment strategy session, step B is essential
A.3, A.1 step, step, is the relation of one-out-three A.2, three kinds of different schemes is represented respectively.A.1, A.2 or A.3 build
Vertical strategy session sets up incidence relation with the step B strategy sessions set up at PCRF.Therefore, policy information can pass through plan
Slightly session and the incidence relation intercommunication between fixed network and the corresponding network element of mobile network.
Wherein, above-mentioned step 304 and step 305 are PMIPv6 PBU and PBA message respectively, in addition to this it is possible to
Using another alternative：GTP agreements.When using GTP agreements when, ePDG to P-GW send be create session request disappear
Breath, P-GW to ePDG respond be create conversational response message.
Wherein, except above-mentioned UE accesses EPC scene by S2b-PMIP patterns, also there is S2c access scenes.The S2c
Scene is divided into two kinds of situations of trusted access and trustless access again, and S2c access scenes trusty are main with S2b scenes
Difference is embodied in, and step 304 step and step 305 message are no longer to send bind request from ePDG to P-GW, but UE directly to
P-GW sends BU requests, and P-GW distribution is sent to UE behind address by BA message.Fly-by-night S2c accesses scene and S2b
The main difference of scape is embodied in, except step 304 and step 305 message are changed to directly send BU requests, P-GW to P-GW from UE
Distribution is sent to outside UE behind address by BA message, the IPsec tunnel buildings step of step 303 and step 306 and strategy A.2
Session step need not then be performed again.In a word, the intercommunication of S2b, S2c (trusted/trustless) scene is mainly reflected in mobility
In management, strategy session is set up and tactful intercommunication aspect is not different substantially.
3rd, the problem of there is currently is introduced
As shown in Fig. 2 in one family or enterprise, UE may be while or do not connect simultaneously by H (e) NB and WLAN
Enter.Because H (e) NB and WLAN belong in same enterprise or family, its circuit taken is same fixed network link/backhaul
(backhaul) net.The bandwidth that one specific fixed network link/backhaul network is possessed is that signing is fixed, i.e. H (e) NB and WLAN
It is used in conjunction with the bandwidth of summation fixation.Various access scenes shown in above-mentioned are primarily present problems with.
(1), application scenarios A
UE is accessed under H (e) NB, and other some equipment are accessed from WLAN.The signing bandwidth of fixed network link/backhaul network is
Through remaining little.When UE is switched to WLAN accesses from H (e) NB, it is necessary to access first to file resource, at this moment system discovery from WLAN
Fixed network link/backhaul network is without enough resources, therefore switch back into failure.But in fact, H (e) NB that are accessed of UE and
WLAN is that under same fixed network link, UE is natural after WLAN is switched to discharge the resource taken in H (e) NB, from
Without causing inadequate resource.Conversely, when UE switches from WLAN to H (e) NB there is also it is same the problem of.
(2), application scenarios B
UE is dual-mode dual-standby, can be accessed simultaneously under H (e) NB and WLAN, and can be in different access systems
In migrating data stream back and forth.As UE while the H (e) NB and WLAN that access are under same fixed network link, and fixed network link
Signing bandwidth when having remained little, if UE accesses migration IP traffic from H (e) NB to WLAN, it is necessary to from WLAN accesses
First to file resource, at this moment system discovery fixed network link is without enough resources, and data flow migration failure causes service disconnection.
But in fact, H (e) NB and WLAN that UE is accessed are that UE moves to IP traffic under same fixed network link
It is natural after WLAN to discharge the resource taken in H (e) NB, so that inadequate resource will not be caused.Conversely, when UE have WLAN to
During H (e) NB migrating data streams there is also it is same the problem of.
In summary, when switching between H (e) NB and WLAN of the UE under same fixed network link or stream migration, deposit
Due to moment inadequate resource causes handoff failure the problem of.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of method for managing resource and system, when UE is same
Switching or during stream migration between H (e) NB and WLAN under fixed network link, it is to avoid due to switching caused by moment inadequate resource
Failure.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of method for managing resource, this method includes：
When user equipment (UE) implement between (evolution) Home eNodeB H (e) NB and WLAN WLAN stream migration or
When person switches, judge whether UE accesses from H (e) NB and WLAN under identical fixed network link according to fixed network tunnel information；
When judged result is to be, receive the switching or stream migration.
Receive the switching or the method for stream migration is：
(agency) call access control is done by decision entity, including：Receive or refuse resource allocation, change, reconfigure, seizing
Or carrying foundation/modification/renewal；Or, receive or refusal switching or stream migration.
UE is implemented before the stream migration, and UE is accessed simultaneously by WLAN and H (e) NB, and WLAN and H (e) NB
Belong to together under same fixed network link；
Or, UE is implemented before the switching, and UE is accessed by H (e) NB or accessed by WLAN, and WLAN
Belonged to together with H (e) NB under same fixed network link；
The method of the judgement is：Confirm UE from WLAN access with from H (e) NB access when tunnel information is identical or tunnel
Road message identification is same fixed network link, and the stream migration or switching that UE is judged accordingly are entered under same fixed network link
Capable；
Receive the switching or the method for stream migration is：Call access control is done by P-GW.
The tunnel information is converged at BPCF；Receive the switching or the method for stream migration is：Received by BPCF
Control；
Or, H (e) NB policing features PF and "Policy and Charging Rules Function PCRF are closed and set, and H (e) NBPF/PCRF are convergence
Point；Receive the switching or the method for stream migration is：H (e) NB PF/PCRF do call access control；
Or, PCRF is unified convergent point；Receive the switching or the method for stream migration is：Receiving control is done by PCRF
System.
H (e) NB and WLAN is with a fixed network link, but two tunnel information differences of report；The judgement
Method is：By BPCF to fixed network searching, to judge whether above-mentioned two tunnel information identifies same fixed network link, knot is being judged
Fruit for confirmation UE when being is accessed from H (e) NB and WLAN under identical fixed network link；
Receive the switching or the method for stream migration is：Other network elements are entrusted to do call access control by BPCF or BPCF.
A kind of resource management system, the system includes resource management decision unit, resource management execution unit；Wherein, when
When UE implements stream migration or switching between H (e) NB and WLAN；
The resource management decision unit, for judging UE whether from identical fixed network fixed network link according to fixed network tunnel information
Under HeNB and WLAN accesses, and will determine that result notifies to give resource management execution unit；
The resource management execution unit, during for being in the judged result, receives the switching or stream migration.
When the resource management execution unit receives the switching or stream migration, it is used for：
Control decision entity does (agency) call access control, including：Receive or refuse resource allocation, change, reconfigure, robbing
Account for or carry foundation/modification/renewal；Or, receive or refusal switching or stream migration.
UE is implemented before the stream migration, and UE is accessed simultaneously by WLAN and H (e) NB, and WLAN and H (e) NB
Belong to together under same fixed network link；
Or, UE is implemented before the switching, and UE is accessed by H (e) NB or accessed by WLAN, and WLAN
Belonged to together with H (e) NB under same fixed network link；
When the resource management decision unit carries out the judgement, it is used for：Confirm that UE is accessed from WLAN and connect from H (e) NB
It is same fixed network link that fashionable tunnel information is identical or tunnel information mark, and UE stream migration is judged accordingly or is cut
Change and carried out under same fixed network link；
When the resource management execution unit receives the switching or stream migration, it is used for：Control P-GW does call access control.
The tunnel information is converged at BPCF；The resource management execution unit receives the switching or stream migration
When, it is used for：Control BPCF does call access control；
Or, H (e) NB PF and PCRF are closed and set, and H (e) NB PF/PCRF are convergent point；The resource management execution unit
When receiving the switching or stream migration, it is used for：Control H (e) NB PF/PCRF do call access control；
Or, PCRF is unified convergent point；When the resource management execution unit receives the switching or stream migration, use
In：Control PCRF does call access control.
H (e) NB and WLAN is with a fixed network link, but two tunnel information differences of report；The resource pipe
When managing the decision package progress judgement, it is used for：BPCF is controlled to fixed network searching, to judge whether above-mentioned two tunnel information is marked
Know same fixed network link, it is from H (e) NB and the WLAN access under identical fixed network link that UE is confirmed when judged result is to be
's；
When the resource management execution unit receives the switching or stream migration, it is used for：Control BPCF or BPCF committees
Other network elements are ask to do call access control.
The inventive method and system, it is ensured that when switching between H (e) NB and WLAN of the UE under same fixed network link or
During stream migration, it can be prevented effectively from due to handoff failure caused by moment inadequate resource.
Brief description of the drawings
Fig. 1 is configuration diagram of the non-3 GPP access to EPS；
Fig. 2 is schematic diagrames of the UE from H (e) NB and the WLAN access under same fixed network link；
Fig. 3 accesses EPC flow charts for the UE of prior art by WLAN；
Fig. 4 accesses the flow chart of one of EPC scheme for the UE of prior art by H (e) NB；
Fig. 5 passes through its three flow chart of H (e) NB accesses EPC two sums of scheme for the UE of prior art；
Fig. 6 is the resource management flow chart of one embodiment of the invention；
Fig. 7 is the resource management flow chart of another embodiment of the present invention；
Fig. 8 is the resource management flow chart of further embodiment of this invention；
Fig. 9 is the resource management flow chart of yet another embodiment of the invention；
Figure 10 is resource management general flow chart of the invention；
Figure 11 is resource management system figure of the invention.
Embodiment
In general, when implementing stream migration or switching between UE HeNB under same fixed network link and WLAN,
Whether P-GW or (V-) PCRF or BPCF can judge UE under same fixed network link according to fixed network tunnel information
HeNB and WLAN accesses, and asked in judged result to receive the switching or stream migration when being.At this moment, if WLAN and H (e)
NB accesses are same backhual, then can be acted as agent call access control by P-GW or (V-) PCRF or BPCF.
Embodiments of the invention are based on several scenes, and WLAN passes through as trusted or trustless network insertion EPC
PMIP, GTP agreement or the access of DSPMIP agreements.H (e) NB policy control is controlled or H (e) NB PF controls using PCRF
Deng three kinds of structures.Although based on scene it is various, the general principle of patented invention is unified, is exactly real by policy control
Body (such as BPCF or PCRF) or agent network element (such as P-GW) do (agency) call access control (such as, it is allowed to resource allocation/
Modification).
In following examples, described call access control refers to：Receive or refuse resource allocation, change, reconfigure, seizing
Either carrying foundation/modification/renewal (H (e) NB PF/BPCF/PCRF/P-GW function) or, receive or refusal switching
Or stream migration (P-GW function).
The scene that embodiments of the invention are based on is：During H (e) NB access fixed networks, (ResidenceGateway lives in RG
Residence gateway) bridging functionality or routing function are played, mobile network user identity is applied during UE access fixed networks, and fixed network can be recognized
The identity.
In following examples, backhual and the fixed network backhaul network refers both to fixed network link.Fixed network link can be by tunnel
Road message identification, described tunnel information includes one or more of：Fixed network is that the IP address of terminal distribution, SeGW are terminal
Address and port numbers, HeNB mark after the IP address of distribution, SeGW addresses, network address translation NAT conversions.
It should be noted that following examples are applied to roaming and non-roaming scene, therefore PCRF is used as tunnel information
During convergent point, it may be possible in ownership place PCRF, referred to as HPCRF or PCRF, it is also possible in visited place PCRF, referred to as VPCRF.
Embodiment one
The present embodiment is the scene based on following conditional definition：
UE is accessed simultaneously by WLAN and H (e) NB, and WLAN and H (e) NB are belonged to together under same backhaul,
Stream migration may occur at any time.
WLAN uses S2c modes trusty when accessing EPC, and strategy session be by way of in Fig. 3 A.1
Or A.3 mode is set up, tunnel information has been sent to P-GW by UE when being accessed by WLAN by BU message.
H (e) NB are when accessing EPC, and tunnel information has been also sent to P-GW.Policy control mode uses the exhibition of Fig. 4 institutes
The mode shown.
Based on above scene, because UE from WLAN accesses, P-GW identical with the tunnel information reported when being accessed from H (e) NB
Accordingly it may determine that UE switching is carried out under same backhaul, confirm that UE is under identical fixed network link
HeNB and WLAN accesses；At this moment call access control is done by P-GW agencies, it is allowed to resource allocation/modification when switching.Implementing procedure is joined
See Fig. 6.
Embodiment two
The present embodiment is the scene based on following conditional definition：
UE is accessed by H (e) NB, and WLAN and H (e) NB are belonged to together under same backhaul, and UE connects at two kinds
Entering the switching (from H (e) NB to WLAN) under mode may occur at any time.
WLAN uses S2c modes when accessing EPC, and strategy session be by way of in Fig. 3 A.1 or mode
A.3 set up, tunnel information has been sent to P-GW by UE when being accessed by WLAN by BU message.
H (e) NB are when accessing EPC, and tunnel information has been also sent to P-GW.Policy control mode uses Fig. 4 displayings
Mode.
Based on above scene, because UE from WLAN accesses, P-GW identical with the tunnel information reported when being accessed from H (e) NB
Accordingly it may determine that UE switching is carried out under same backhaul；At this moment call access control is done by P-GW agencies, permitted
Resource allocation/modification when switching perhaps.Implementing procedure is referring to Fig. 6.
Embodiment three
The present embodiment and the difference of embodiment 1,2 be, UE from H (e) NB access when, the resource control mode of use is figure
The two ways of 5 displayings, therefore UE could converge from WLAN and H (e) the NB tunnel information reported at BPCF, can just sentence afterwards
Break whether under same backhaul；Therefore call access control is done by BPCF, it is allowed to resource allocation/modification.Referring to flow chart 9.
Example IV
The present embodiment and the difference of embodiment three are that H (e) NB and VPCRF unite two into one, therefore H (e) NB PF/
VPCRF can just judge whether under same backhaul afterwards into convergent point；Therefore call access control is done by BPCF, it is allowed to
Resource allocation/modification.Referring to flow chart 8.
Embodiment five：
The present embodiment and the difference of embodiment 1,2 be, UE from WLAN access when, use S2b access way.
On resource control mode, H (e) NB resources control still using shown in Fig. 3 A.1 and A.2, H (e) NB money
Source control mode is still by the way of shown in Fig. 4.
Under this scene, acted as agent call access control by P-GW.Referring to implementing procedure Fig. 6.
Embodiment six
The present embodiment and the difference of embodiment 3 be, UE from WLAN access when, use S2b access way.
On resource control mode, H (e) NB resources control still using shown in Fig. 3 A.1 and A.2, H (e) NB money
Source control mode still uses mode shown in Fig. 5.
Under this scene, acted as agent call access control by P-GW.Referring to flow chart 9 and 8.
Embodiment seven
In the present embodiment, when H (e) NB are accessed by the way of shown in Fig. 4, using Fig. 3 A.2 mode when WLAN is accessed,
At this moment VPCRF is unified convergent point, does call access control by VPCRF, it is allowed to resource allocation/modification.Referring to Fig. 6 and Fig. 7.
Embodiment eight
In this implementation, if H (e) NB and WLAN is with a backhual, but the tunnel information of report is different.This
In the case of kind, only by BPCF to fixed network searching, to judge whether the two tunnel informations identify same backhual, and
Judged result entrusts other network elements to do call access control when being and being by BPCF or BPCF, it is allowed to resource allocation/modification.Referring to implementation
Flow chart 9.
Below, for Fig. 6 involved by the various embodiments described above to Fig. 9, describe respectively.
Fig. 6 flows：
Step 601, UE is accessed.
Situation 1：UE accesses EPC system by H (e) NB and WLAN with the pattern of dual-mode dual-standby, and sets up to same
P-GW's is multi-link.
Situation 2：UE is accessed by H (e) NB or WLAN one of which wireless access technology, and at present will be from H (e) NB
Or WLAN is switched to WLAN or H (e) NB.
Step 602, UE sends bind-request message to P-GW, asks stream migration/switching.
If the stream migration that situation 1 is introduced, UE carries stream description information needs migration IP streams for noticing P-GW；If
Be situation 2 introduce switching, UE carry switching be indicated to P-GW be used for ask switching.
Step 603, P-GW initiates the operation of IP-CAN session modification requests to PCRF, asks resource authorization.
Step 604, PCRF responds IP-CAN session modifications to P-GW and responded, and resource authorization result is advertised into P-GW.
A.1P-GW judge stream migration or the front and rear system of switching whether in same backhual according to tunnel information
Under, if under same backhual, directly acted as agent call access control by P-GW, it is allowed to resource allocation/modification.
Wherein, P-GW is received after stream migration or handover request, is asked by IP-CAN sessions to PCRF, PCRF to
BPCF asks resource authorization.If fixed network resource is sufficient, resource authorization success is returned to by BPCF, until being advertised to P-GW, P-GW
Just allow stream migration/switching.Otherwise, stream migration or handoff failure.
Described tunnel information has been able to be communicated to P-GW in the prior art.
Described tunnel information can include following information：CPE addresses and port numbers, H (e) NB marks, SSID
(Service Set Identifier, service set) etc..
Step 605, if roaming scence, and P-GW is in visited place, and the interacting message of step 603 and step 604 is real
It is that, to VPCRF, and VPCRF passes through S9 interfaces and HPCRF interactive information again on border.If non-roaming scene, or it is unrestrained
The local routing mode of scene is swum, P-GW is then directly interacted with HPCRF, is no longer pass through VPCRF.
Step 606, P-GW sends binding acknowledgement to UE.
Step 607, triggered by IP-CAN session modifications, V/HPCRF is interacted by S9* interfaces with BPCF, request money
Source is authorized.After BPCF receives information, BPCF does the call access control either agent offer in fixed network domain according to the resource of fixed network
Control.
Fig. 7 flows：
Step 701, UE is accessed.
Situation 1：UE accesses EPC system by H (e) NB and WLAN, and sets up to the multi-link of same P-GW.
Situation 2：UE is accessed by H (e) NB or WLAN one of which wireless access technology, and at present will be from H (e) NB
Or WLAN is switched to WLAN or H (e) NB.
Step 702, UE and ePDG sets up IPsec tunnels, asks access authentication.
If the stream migration that situation 1 is introduced, UE authentication operations can be omitted, UE only carries stream description information to ePDG；
If situation 2 introduce switching, UE carry switching be indicated to ePDG be used for ask switching.
Step 703, ePDG sends agent binding request message to P-GW.
If the stream migration that situation 1 is introduced, ePDG only carries stream description information to P-GW；If what situation 2 was introduced
Switching, ePDG carry switching be indicated to P-GW be used for ask switching.
Step 704, P-GW initiates the operation of IP-CAN session modification requests to PCRF, asks resource authorization.
Step 705, PCRF responds IP-CAN session modifications to P-GW and responded, and resource authorization result is advertised into P-GW.
A.1P-GW judge stream migration or the front and rear system of switching whether in same backhual according to tunnel information
Under, if under same backhual, directly acted as agent call access control by P-GW, it is allowed to resource allocation/modification.
Wherein, P-GW is received after stream migration or handover request, is asked by IP-CAN sessions to PCRF, PCRF to
BPCF asks resource authorization.If fixed network resource is sufficient, resource authorization success is returned to by BPCF, until being advertised to P-GW, P-GW
Just allow stream migration/switching.Otherwise, stream migration or handoff failure.
Described tunnel information has been able to be communicated to P-GW in the prior art.
Described tunnel information can include following information：CPE addresses and port numbers, H (e) NB marks, SSID etc..
Step 706, if roaming scence, and P-GW is in visited place, and the interacting message of step 704 and step 705 is real
It is that, to VPCRF, and VPCRF passes through S9 interfaces and HPCRF interactive information again on border.If non-roaming scene, or it is unrestrained
The local routing mode of scene is swum, P-GW is then directly interacted with HPCRF, is no longer pass through VPCRF.
Step 707, P-GW sends agent binding confirmation to ePDG.
Step 708, ePDG and UE completes IPsec tunnel buildings.
Step 709, triggered by IP-CAN session modifications, V/HPCRF is interacted by S9* interfaces with BPCF, request money
Source is authorized.After BPCF receives information, BPCF does the call access control either agent offer in fixed network domain according to the resource of fixed network
Control.
Fig. 8 flows：
801, UE accesses.
Situation 1：UE accesses EPC system by H (e) NB and WLAN, and sets up to the multi-link of same P-GW.
Situation 2：UE is accessed by H (e) NB or WLAN one of which wireless access technology, and to be cut at present from WLAN
Change to H (e) NB.
802, the early stage operation of stream migration or switching.
803, lateral H (e) the NB GW/MME of network send dedicated bearing and set up/change request message, carry the resource of request
Information.
For situation one, following operation is continued B.1.
804, H (e) NB GW/MME send bearer authorization request message to H (e) NB PF, ask resource authorization.
Whether 805.H (e) NB PF judge stream migration or the front and rear system of switching same according to tunnel information
Under backhual, if under same backhual, directly acted as agent call access control by H (e) NB PF, it is allowed to resource point
With/modification.
Wherein, described tunnel information has been able to be communicated to P-GW in the prior art.
Described tunnel information can include following information：CPE addresses and port numbers, H (e) NB marks, SSID etc..
Wherein, H (e) NB PF subsequently may have policy update message with fixed network policy control entity (such as BPCF).
806, H (e) NB PF respond bearer authorization response message to H (e) NB GW/MME.
807, switching or stream migration subsequent operation.
For situation two, following operation is continued B.2.
804, by the triggering of step 803, H (e) NB GW/MME send carrying foundation/modification request/session to H (e) NB
Manage request message.
805, H (e) NB sends resource allocation request message to H (e) NB PF, for asking resource；
Whether 806, H (e) NB PF judge stream migration or the front and rear system of switching same according to tunnel information
Under backhual, if under same backhual, directly acted as agent call access control by H (e) NB PF, it is allowed to resource point
With/modification.
Wherein, described tunnel information has been able to be communicated to P-GW in the prior art.
Described tunnel information can include following information：CPE addresses and port numbers, H (e) NB marks, SSID etc..
Wherein, H (e) NB PF subsequently may have policy update message with fixed network policy control entity (such as BPCF).
807, H (e) NB PF respond resource allocation response message to H (e) NB.
808, switching or stream migration subsequent operation.
Fig. 9 flows：
901, UE accesses.
Situation 1：UE accesses EPC system by H (e) NB and WLAN, and sets up to the multi-link of same P-GW.
Situation 2：UE is accessed by H (e) NB or WLAN one of which wireless access technology, and to be cut at present from WLAN
Change to H (e) NB.
902, the early stage operation of stream migration or switching.
903, network side triggers H (e) NB PF/ or PCRF, H due to switching or stream migration operation, final core net
(e) NB PF/ or PCRF send resource allocation request/resource authorization request/S9* session modification requests to BPCF, carry request
Resource information.
Whether 904, BPCF judge stream migration or the front and rear system of switching in same backhual according to tunnel information
Under, if under same backhual, BPCF does call access control, it is allowed to resource allocation/modification.Belong to herein in invention
Hold.
Wherein, described tunnel information has been able to be communicated to P-GW in the prior art.
Described tunnel information can include following information：CPE addresses and port numbers, H (e) NB marks, SSID etc..
Wherein, H (e) NB PF subsequently may have policy update message with fixed network policy control entity (such as BPCF).
905, BPCF respond resource allocation resource response authorization response/S9* session modifications to H (e) NB PF/PCRF responds.
906, switching or stream migration subsequent operation.
Visible with reference to the various embodiments described above, the operation thinking that the present invention carries out resource management can represent as shown in Figure 10
Flow, the flow comprises the following steps：
Step 1001：When UE implements stream migration or switching between H (e) NB and WLAN, sentenced according to fixed network tunnel information
Whether disconnected UE accesses from H (e) NB and WLAN under identical fixed network link.
Step 1002：When judged result is to be, receive the switching or stream migration.
In order to ensure that above-described embodiment and operation thinking can be realized smoothly, setting as shown in figure 11 can be carried out.
Referring to Figure 11, Figure 11 is resource management system figure of the invention, and the system includes connected resource management decision unit, resource pipe
Manage execution unit.
In practical application, when UE implements stream migration or switching between H (e) NB and WLAN, resource management decision
Whether unit can judge UE from H (e) NB and the WLAN access under identical fixed network link according to fixed network tunnel information, and will determine that
As a result notify to give resource management execution unit；Also, when judged result is to be, institute can be received by resource management execution unit
State switching or stream migration.
It should be noted that can be possible to do the functions such as the policy control entity or agent network element of (agency) call access control
Entity is referred to as decision entity.In actual applications, the decision entity can be served as by P-GW, PCRF, PF or BPCF.Separately
Outside, fixed network link is commonly referred to as backhual.
It is visible in summary, either method or system, resource management techniques of the invention, when UE is in same fixed network
Switching or during stream migration between H (e) NB and WLAN under link, can be prevented effectively from due to caused by moment inadequate resource
Handoff failure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of method for managing resource, it is characterised in that this method includes：
Implement stream between Home eNodeB HNB or the Home eNodeB HeNB and WLAN WLAN of evolution when user equipment (UE) to move
The fixed network tunnel letter reported when when moving or switching, being accessed according to UE from WLAN and from HNB, or accessing and accessed with HeNB from WLAN
Whether breath is identical, judges whether UE accesses from the HNB under identical fixed network link and WLAN, or HeNB and WLAN accesses；
When judged result is to be, receive the switching or stream migration.
2. according to the method described in claim 1, it is characterised in that the method for receiving the switching or stream migration is：
Call access control or agent offer control are done by decision entity, including：Receive or refusal resource allocation, change, reconfigure,
Seize or carry foundation/modification/renewal；Or, receive or refusal switching or stream migration.
3. method according to claim 2, it is characterised in that
UE is implemented before the stream migration, and UE is accessed simultaneously by WLAN and HeNB/HNB, and WLAN and HeNB/HNB
Belong to together under same fixed network link；
Or, UE is implemented before the switching, and UE is accessed by HeNB/HNB or accessed by WLAN, and WLAN and
HeNB/HNB is belonged to together under same fixed network link；
The method of the judgement is：Confirm UE from WLAN access and from HeNB/HNB access when tunnel information identify be same
Individual fixed network link, the stream migration or switching that UE is judged accordingly is carried out under same fixed network link；
Receive the switching or the method for stream migration is：Call access control is done by P-GW.
4. method according to claim 2, it is characterised in that
The tunnel information is converged at BPCF；Receive the switching or the method for stream migration is：Call access control is done by BPCF；
Or, HeNB/HNB policing features PF and "Policy and Charging Rules Function PCRF are closed and set, and HeNB/HNB PF/PCRF are remittance
Accumulation；Receive the switching or the method for stream migration is：HeNB/HNB PF/PCRF do call access control；
Or, PCRF is unified convergent point；Receive the switching or the method for stream migration is：Call access control is done by PCRF.
5. method according to claim 1 or 2, it is characterised in that
HeNB/HNB and WLAN is with a fixed network link, but two tunnel information differences of report；The side of the judgement
Method is：By BPCF to fixed network searching, to judge whether above-mentioned two tunnel information identifies same fixed network link, in judged result
Confirm that UE is accessed from the HeNB/HNB and WLAN under identical fixed network link during to be；
Receive the switching or the method for stream migration is：Other network elements are entrusted to do call access control by BPCF or BPCF.
6. a kind of resource management system, it is characterised in that the system includes resource management decision unit, resource management and performs list
Member；Wherein, when UE implements stream migration or switching between HeNB/HNB and WLAN；
Believe in the resource management decision unit, the fixed network tunnel reported during for being accessed and accessed from H (e) NB from WLAN according to UE
Whether breath is identical, judges whether UE accesses from the HeNB/HNB under identical fixed network fixed network link and WLAN, and will determine that result is led to
Know and give resource management execution unit；
The resource management execution unit, during for being in the judged result, receives the switching or stream migration.
7. system according to claim 6, it is characterised in that the resource management execution unit receive the switching or
During stream migration, it is used for：
Control decision entity does call access control or agent offer control, including：Receive or refuse resource allocation, modification, match somebody with somebody again
Put, seize or carry foundation/modification/renewal；Or, receive or refusal switching or stream migration.
8. system according to claim 7, it is characterised in that
UE is implemented before the stream migration, and UE is accessed simultaneously by WLAN and HeNB/HNB, and WLAN and HeNB/HNB
Belong to together under same fixed network link；
Or, UE is implemented before the switching, and UE is accessed by HeNB/HNB or accessed by WLAN, and WLAN and
HeNB/HNB is belonged to together under same fixed network link；
When the resource management decision unit carries out the judgement, it is used for：Confirm that UE is accessed from WLAN and accessed from HeNB/HNB
When tunnel information mark be same fixed network link, the stream migration or switching that UE is judged accordingly are in same fixed network chain
Carried out under road；
When the resource management execution unit receives the switching or stream migration, it is used for：Control P-GW does call access control.
9. system according to claim 7, it is characterised in that
The tunnel information is converged at BPCF；When the resource management execution unit receives the switching or stream migration, use
In：Control BPCF does call access control；
Or, HeNB/HNB PF and PCRF are closed and set, and HeNB/HNB PF/PCRF are convergent point；The resource management execution unit
When receiving the switching or stream migration, it is used for：Control HeNB/HNB PF/PCRF do call access control；
Or, PCRF is unified convergent point；When the resource management execution unit receives the switching or stream migration, it is used for：
Control PCRF does call access control.
10. the system according to claim 6 or 7, it is characterised in that
HeNB/HNB and WLAN is with a fixed network link, but two tunnel information differences of report；The resource management
When decision package carries out the judgement, it is used for：BPCF is controlled to fixed network searching, to judge whether above-mentioned two tunnel information identifies
Same fixed network link, it is from the HeNB/HNB under identical fixed network link and WLAN accesses that UE is confirmed when judged result is to be
's；
When the resource management execution unit receives the switching or stream migration, it is used for：Control BPCF or BPCF entrusts it
He does call access control by network element.
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| CN201110030406.0A CN102625396B (en) | 2011-01-27 | 2011-01-27 | A kind of method for managing resource and system |
| PCT/CN2011/084064 WO2012100606A1 (en) | 2011-01-27 | 2011-12-15 | Method and system for managing resource |
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| CN103857048B (en) * | 2012-11-30 | 2017-08-29 | 华为技术有限公司 | A kind of resource regulating method and device |
| CN107529182A (en) * | 2016-06-22 | 2017-12-29 | 中兴通讯股份有限公司 | Data dispatching method and system |
| CN107959918B (en) | 2016-10-14 | 2020-02-07 | 电信科学技术研究院 | Session management method, mobility management function and session management function |
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| JP5582353B2 (en) * | 2008-03-24 | 2014-09-03 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | Communication system, communication path efficiency device, and wireless communication terminal |
| CN101478796B (en) * | 2009-01-20 | 2011-01-05 | 中国科学院计算技术研究所 | Hierarchical switching control signaling system for heterogeneous network and switching method thereof |
| CN101801055A (en) * | 2010-02-05 | 2010-08-11 | 上海顶竹通讯技术有限公司 | Communication switching method among different networks and terminal equipment thereof |
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Non-Patent Citations (1)
| Title |
|---|
| 3GPP – BBF Interworking - 3GPP Femto Architecture Diagrams;3GPP;《3GPP TSG SA WG2 Meeting #80 S2-103415》;20100903;1-9 * |
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