CN102695234A - Service bearing transfer method and apparatus thereof - Google Patents
Service bearing transfer method and apparatus thereof Download PDFInfo
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- CN102695234A CN102695234A CN2011100742652A CN201110074265A CN102695234A CN 102695234 A CN102695234 A CN 102695234A CN 2011100742652 A CN2011100742652 A CN 2011100742652A CN 201110074265 A CN201110074265 A CN 201110074265A CN 102695234 A CN102695234 A CN 102695234A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention provides a service bearing transfer method and an apparatus thereof. The method and the apparatus are applied in a multi-network access system. The multi-network access system comprises a plurality of wireless communication networks and a core network gateway which supports the plurality of wireless communication networks. The plurality of wireless communication networks are connected in parallel with each other. One end of the plurality of wireless communication networks which are connected in parallel with each other is connected in parallel with a multi-mode wireless terminal and the other end is connected in parallel with the core network gateway. The service bearing transfer method comprises the following steps: determining a service bearing transfer indication message initiated by a first wireless communication network in the plurality of wireless communication networks; bearing and transferring parts or all of the service currently performed by the multi-mode wireless terminal to the other wireless communication networks in the plurality of wireless communication networks except the first wireless communication network. According to a technical scheme of the invention, a terminal data service rate can be increased; existing network resources can be fully used; terminal mobility and dynamic load balance among a plurality of networks can be realized; user experience can be effective improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of service bearer moving method and device.
Background technology
Along with the continuous evolution of wireless communication technology and standard, mobile Packet Service has obtained huge development, and the data throughput capabilities of unit/terminal is constantly promoting.With Long Term Evolution (Long Term Evolution; Abbreviating LTE as) system is example; In the 20M bandwidth, can support the transfer of data of descending maximum rate 100Mbps, in the LTE of follow-up enhancing (LTE Advanced) system, the transmission rate of data will further promote.
Along with the growth of data business volume expansion type, the terminal use makes existing 2G and 3G network resource deficient gradually to transmission rate and flow requirements, and also variation thereupon of user experience.How improving user experience is the task of top priority that operator must consider.On the other hand, for higher service rate can be provided, market is also increasing to the expectation of disposing the LTE network.But because in actual the arranging net; The replacement of commercial network can not be accomplished in one move; Therefore in the following a very long time; Do not reach comprehensive covering in new technologies such as LTE, and traditional 2G, 3G network cover also substituted fully before, the scene that the network of multiple standard covers simultaneously can appear at the same area.Because the restriction of terminal capability and business demand, operator hopes to realize seamlessly transitting between the multiple network.At least 2G and 3G network will continue to provide the partial service service in 5 to 10 years of future.Under the scene of existing many net coexistences, the load between many networks can occur unbalanced, and user's the terminal type and the variation of type of service have relation under this main and network coverage.For example, now domestic 2G network is congested because of the professional introducing of GPRS (General Packet Radio Service abbreviates GPRS as) to can't bear, and 3G network never utilizes because of factors such as numbers of users fully, and it is lower to load.For emerging LTE network, the user is fewer.This unbalanced experience decline that also can cause the user on the one hand; Congested on the other hand network also can bring operation pressure to operator; Other Internet resources can't be fully utilized and also cause waste of network resources simultaneously; Increased operating cost of operator (CapitalExpenditure abbreviates CAPEX as).Above-mentioned problem forces operator need seek a kind of new solution.
Wherein a kind of implementation is exactly to allow current multi mode terminal can insert a plurality of networks simultaneously to carry out transfer of data.So both can improve the absolute data throughput rate at terminal, promote user experience, increase market attractiveness, can make full use of current Internet resources again, reduce operating cost of operator terminal client.Yet still can not solve the mobility problem of terminal between a plurality of networks in the correlation technique; When new different system (Inter-RAT) sub-district is found at the terminal; Can only ongoing all business in terminal be done as a wholely between different districts, to move; Such mobility underaction can not reach the making full use of of conventional network resources, and a plurality of networks that the terminal connected also can't be accomplished dynamic fusion.
Summary of the invention
To in the correlation technique ongoing all business in terminal being done as a wholely between different districts, to move; The problem that causes the mobility underaction; The invention provides a kind of service bearer moving method and device, one of to address the above problem at least.
A kind of moving method of service bearer is provided according to an aspect of the present invention.
According to the moving method of service bearer of the present invention, be applied to many net connecting systems, these many net connecting systems comprise: a plurality of cordless communication networks and the core net gateway of supporting a plurality of cordless communication networks; Wherein, be connected in parallel between a plurality of cordless communication networks, and a plurality of cordless communication networks one end that is connected in parallel is connected to multi-module radio terminal, the other end is connected to the core net gateway; The moving method of above-mentioned service bearer comprises: confirm that first cordless communication network is initiated service bearer migration flow process in a plurality of cordless communication networks; The current part or all of service bearer that carries out of multi-module radio terminal is moved to other cordless communication networks except that first cordless communication network in a plurality of cordless communication networks.
A kind of moving apparatus of service bearer is provided according to a further aspect in the invention.
According to the moving apparatus of service bearer of the present invention, be applied to many net connecting systems, these many net connecting systems comprise: a plurality of cordless communication networks and the core net gateway of supporting a plurality of cordless communication networks; Wherein, be connected in parallel between a plurality of cordless communication networks, and a plurality of cordless communication networks one end that is connected in parallel is connected to multi-module radio terminal, the other end is connected to the core net gateway; The moving apparatus of this service bearer comprises: determination module is used for confirming a plurality of cordless communication network first cordless communication networks initiation service bearer migration Indication messages; Transferring module is used for the current part or all of service bearer that carries out of multi-module radio terminal is moved to a plurality of cordless communication networks other cordless communication networks except that first cordless communication network.
Through the present invention; In many net connecting systems, receive and come from service bearer migration Indication message that cordless communication network is initiated in said a plurality of cordless communication network; The current part or all of service bearer that carries out of said multi-module radio terminal is moved to other cordless communication networks in said a plurality of cordless communication network; Wherein, above-mentioned many net connecting systems comprise: a plurality of cordless communication networks and the core net gateway of supporting said a plurality of cordless communication networks; Be connected in parallel between said a plurality of cordless communication network, and said a plurality of cordless communication network one ends that are connected in parallel are connected to multi-module radio terminal, the other end is connected to said core net gateway.Solved in the correlation technique ongoing all business in terminal are done as a wholely between different districts, to move; The problem that causes the mobility underaction; And then can promote the terminal data service rate; Make full use of existing Internet resources, be implemented in terminal mobility and dynamic load equilibrium between a plurality of networks, effectively promoted user's experience.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the Organization Chart according to many nets connecting system of the embodiment of the invention;
Fig. 2 is the flow chart according to the service bearer moving method of the embodiment of the invention;
Fig. 3 is the flow chart of the service bearer moving method of the instance one according to the present invention;
Fig. 4 is the flow chart of the service bearer moving method of the instance two according to the present invention;
Fig. 5 is the flow chart of the service bearer moving method of the instance three according to the present invention;
Fig. 6 is the structured flowchart according to the service bearer moving apparatus of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Fig. 1 is the Organization Chart according to many nets connecting system of the embodiment of the invention.As shown in Figure 1, this system comprises a plurality of cordless communication networks (10,12...1N) and the core net gateway 20 of supporting a plurality of cordless communication networks; Wherein, be connected in parallel between a plurality of cordless communication networks, and a plurality of cordless communication networks one end that is connected in parallel is connected to multi-module radio terminal 30, the other end is connected to core net gateway 20.
In the practical implementation process, multi-module radio terminal 30 (or claims that subscriber equipment (User Equipment, UE)) can be linked into same core net gateway through the network of multiple wireless access technology.This gateway will be divided into a plurality of sub data flows through the downlink data of this core net gateway as the anchor point of data distribution, send to wireless terminal user through different cordless communication networks respectively; For example; Through the LTE network, perhaps UMTS (Universal Mobile TelecommunicationSystem abbreviates UMTS as) network; Perhaps global system for mobile communications (Global System for MobileCommunications abbreviates GSM as) network etc.; Accordingly, multi-module radio terminal also can send upstream data through the one or more networks in a plurality of networks that insert.The data gateway of the core net gateway here in can multiplexing existing network; (the Packet Data Network Gateway of the grouped data network gateway in the LTE network for example; Abbreviate P-GW as) or gateway (Serving Gateway; Abbreviate S-GW as), perhaps ggsn of UMTS network (Gateway GPRS Support Node abbreviates GGSN as) etc.
Based on above-mentioned many net connecting systems, the embodiment of the invention provides a kind of service bearer moving method.Describe below in conjunction with Fig. 2.
Fig. 2 is the flow chart according to the service bearer moving method of the embodiment of the invention.As shown in Figure 2, this service bearer moving method comprises following processing:
Step S202: confirm that first cordless communication network is initiated service bearer migration flow process in a plurality of cordless communication networks;
Step S204: the current part or all of service bearer that carries out of multi-module radio terminal is moved to other cordless communication networks except that first cordless communication network in a plurality of cordless communication networks.
In the correlation technique ongoing all business in terminal are done as a wholely between different districts, to move, cause the mobility underaction.Adopt said method shown in Figure 2, can promote the terminal data service rate, make full use of existing Internet resources, be implemented in terminal mobility and dynamic load equilibrium between a plurality of networks, effectively promoted user's experience.
Wherein, above-mentioned service bearer is meant that in networks with different systems the user plane of setting up for the data of transmission user equipment connects carrying.For example; This carrying refers to universal terrestrial access network RAB (the E-UTRAN Radio Access Bearer for evolution in the LTE network; Abbreviate E-RAB as) and corresponding empty port load-supporting; At UMTS network middle finger RAB (Radio Access Bearer abbreviates RAB as) and corresponding empty port load-supporting thereof.
Preferably, first cordless communication network comprises: the wireless access network element, then service bearer migration flow process can be initiated by the wireless access network element.
In preferred implementation process, the above-mentioned process that service bearer is moved can be switched the realization of (Handover) process by multiplexing existing interdepartmental system (inter-RAT).Preferably; The handoff procedure (be above-mentioned service bearer migration flow process) of said wireless access network element through initiating interdepartmental system to the core network element transmission handoff request message or the RELOCATION REQUEST message of said first cordless communication network; In handoff request message or RELOCATION REQUEST message, need carry the identification information of the professional or carrying that will move, target side network element ID and the user surface address information that carries correspondence to be migrated.In order to distinguish general handoff procedure, alternatively, can also in switching message, carry the distinguishing identifier information of migration (switching) process.
Preferably; Above-mentioned first cordless communication network can also comprise: core network element; Before said service bearer migration flow process is initiated by said wireless access network element; Also comprise: said core network element sends service bearer migration Indication message to said wireless access network element, initiates said service bearer migration flow process to trigger said wireless access network element.
In preferred implementation process; Can initiate service bearer migration Indication message to the access network elements of correspondence by core network element; Access network elements is according to the transition process of Indication message initiation service bearer then, and the transition process that detailed process is initiatively initiated with access network elements is identical.
Preferably, the service bearer migration Indication message of initiating by core network element can multiplexing existing core network element and the wireless access network element between interface message, also can adopt preset (i.e. new introducing) interface message.
Preferably, in this service bearer migration Indication message, can carry following one of at least: need the relevant information of the service bearer of migration, and/or the target side network related information of migration; Alternatively, this service bearer migration Indication message also can be a null message, is used to indicate the wireless access network network element to move.
Preferably, above-mentioned steps S204 may further include following processing:
(1) said multi-module radio terminal receives the switching command that comes from said first cordless communication network; Wherein, said switching command carries the information that the said multi-module radio terminal of indication is moved to the current part or all of service bearer that carries out said other cordless communication networks;
(2) said multi-module radio terminal inserts said other cordless communication networks, and part or all of service bearer is moved to said other cordless communication networks.
Preferably, after execution in step S204, can also comprise following processing: the core network element of said other cordless communication networks notifies said core net gateway to revise the corresponding beared information of said part or all of service bearer through revising the carrying flow process.
In the practical implementation process; In the LTE network, the wireless access network element can comprise: evolution base station (Evolved NodeB abbreviates eNB as); Core network element can comprise: mobile management entity (Mobility Management Entity abbreviates MME as) and/or gateway (S-GW);
In the UMTS network; The wireless access network element can comprise: radio network controller (Radio Network Controller; Abbreviate RNC as) and base station (Node B) (can RNC and Node B be referred to as RNS (RNS)); Core network element can comprise: service universal grouping wireless business supporting node (Serving GPRS Support Node abbreviates SGSN as) or mobile switching centre's (Mobile Switching Center abbreviates MSC as);
In the GSM network; The wireless access network element can comprise base station controller (Base Station Controller; Abbreviate BSC as) and base station (Base Transceiver Station; Abbreviate BTS as) (can BSC and BTS be referred to as base station sub-system (BSS)), core network element can comprise SGSN or MSC;
Certainly, in other networks, above-mentioned wireless access network element can be the Control Node of wireless access network in this network, and above-mentioned core network element also can be the Control Node of core net in this network.
Wherein, above-mentioned core net gateway is the gateway of mobile communications network to external network interface, and external network comprises: PSTN (Public Switched Telephone Network abbreviates PSTN as) or IP network.
In preferred implementation process, the gateway node of above-mentioned core net gateway in can the communication network of multiplexing current each wireless access technology.For example; Can be corresponding the ggsn (Gateway GPRS Support Node abbreviates GGSN as) in the 2G network packet territory (Packet Switch abbreviates PS as); Or the GGSN node in the PS territory of 3G; Or grouped data network gateway in the LTE network (Packet Data Network Gateway abbreviates P-GW as) or gateway (Serving Gateway abbreviates S-GW as) node etc.Above-mentioned gateway can be supported the data distribution function in many net accesses; Promptly can the downlink data that receive be shunted processing; Downlink data after shunting handled specifically can be referring to Fig. 1 via the one or more multi-module radio terminals that transfer in a plurality of cordless communication networks that are attached thereto.
Based on framework shown in Figure 1, adopt above-mentioned service bearer moving method, can realize the moving based on partial service/carrying of multi-module radio terminal (being subscriber equipment) between networks with different systems such as UMTS, LTE, GSM.Be described in detail below in conjunction with Fig. 3 to Fig. 5.
Fig. 3 is the flow chart of the service bearer moving method of the instance one according to the present invention.Wherein, be example with UE moving between LTE network and UTMS network (the LTE network is a source, and UMTS is a target side).As shown in Figure 3, this service bearer moving method mainly comprises following processing:
Step S302:UE is in connected state at the LTE network, and carries out the transmission of data through eNB and gateway.
Step S304:UE has found available UMTS sub-district through measuring, and gives eNB with this information reporting.
Step S306:eNB is according to the strategy of this base station; For example, the load under this base station is too high, and the partial service corresponding service load bearing migration that determines the terminal is set up on this base station is to the UMTS sub-district; Therefore send handoff request (HandoverRequired) message to MME; Wherein, carry the bearing identification information that to move in this message, and should carry corresponding user plane transport addresses information etc.
Optional, in order to be different from general handoff procedure, eNB can also increase an indicating bit in message, is the handoff procedure that strengthens in order to indicate this.
Step S308:MME sends forward direction re-positioning request (ForwardRelocation Request) message according to this information to the core network element SGSN of target, and wherein, this message has been carried the bearer related information that needs migration.
Step S310:SGSN sends re-positioning request (Relocation Request) to corresponding wireless network subsystem (Radio Network Subsystem abbreviates RNS as).If RNS can admit the carrying that needs migration, then send re-positioning request feedback (Relocation Request Acknowledge) information to SGSN.
Step S312:SGSN sends forward direction relocation response (Forward Relocation Response) message to source MME
Step S314:MME sends switching command (Handover Command) message to eNB.
Step S316:eNB sends switching command message to UE, and indicating terminal switches.In order to distinguish normal handoff procedure, in message, can carry corresponding indication information.
Step S318:UE inserts target side RNS, and sends to switch and accomplish (Handover to UTRAN Complete) message.
Step S320:RNS accomplishes (Relocation Complete) message to the reorientation of SGSN notice, and present networks is successfully inserted at the notice terminal.
Step S322:SGSN partly carries through forward direction reorientation completion indication (Forward Relocation Complete) flow process notice source MME successfully moves to the UMTS network.
Step S324: SGSN carries flow process (Modify Bearer) notification gateway through revising simultaneously, revises the beared information of the part of moving, and the data of transmitting on the follow-up respective carrier need be sent a UE through the UMTS network.
Step S326:MME can discharge the carrying and the corresponding resource of being moved by success at source.
Step S328: so far accomplished the mobility of partly carrying, this moment, UE can arrive gateway through LTE network and UMTS network insertion simultaneously, carried out the transmission of data.
Fig. 4 is the flow chart of the service bearer moving method of the instance two according to the present invention.Wherein, transition process is initiated by core network element, and is as shown in Figure 4, and this service bearer moving method mainly comprises following processing:
Step S402:UE is in connected state at the LTE network, and carries out the transmission of data through eNB and gateway.
Step S404:MME initiates the migration indication to eNB, and indication eNB initiates transition process.
Optional, business or beared information that MME can need move through this message informing eNB comprise the identification information of business or carrying;
Optional, MME can also notify eNB the objective network information of migration, such as the identification information of Target RNS.
Further, this migration indication information can be the existing signaling of S1 mouth, such as using customer equipment context modify request messages (UE Context Modification Request), also can use the new information of new introducing.
Step S406:eNB sends handoff request (Handover Required) message to MME, wherein, carries the bearing identification information that will move in this message, and should carry corresponding user plane transport addresses information etc.
Optional, in order to be different from general handoff procedure, eNB can also increase an indicating bit in message, is the handoff procedure that strengthens in order to indicate this.
Step S408:MME sends forward direction re-positioning request (ForwardRelocation Request) message according to this information to the core network element SGSN of target, and wherein, this message has been carried the bearer related information that needs migration.
Step S410:SGSN sends re-positioning request (Relocation Request) to corresponding wireless network subsystem (Radio Network Subsystem abbreviates RNS as).If RNS can admit the carrying that needs migration, then send re-positioning request feedback (Relocation Request Acknowledge) information to SGSN.
Step S412:SGSN sends forward direction relocation response (Forward Relocation Response) message to source MME
Step S414:MME sends switching command (Handover Command) message to eNB.
Step S416:eNB sends switching command message to UE, and indicating terminal switches.In order to distinguish normal handoff procedure, in message, can carry corresponding indication information.
Step S418:UE inserts target side RNS, and sends to switch and accomplish (Handover to UTRAN Complete) message.
Step S420:RNS accomplishes (Relocation Complete) message to the reorientation of SGSN notice, and present networks is successfully inserted at the notice terminal.
Step S422:SGSN partly carries through forward direction reorientation completion indication (Forward Relocation Complete) flow process notice source MME successfully moves to the UMTS network.
Step S424: SGSN carries flow process (Modify Bearer) notification gateway through revising simultaneously, revises the beared information of the part of moving, and the data of transmitting on the follow-up respective carrier need be sent a UE through the UMTS network.
Step S426:MME can discharge the carrying and the corresponding resource of being moved by success at source.
Step S428: so far accomplished the mobility of partly carrying, this moment, UE can arrive gateway through LTE network and UMTS network insertion simultaneously, carried out the transmission of data.
It should be noted that above-mentioned steps S406 is identical to step S326 with the step S306 shown in Fig. 3 to step S426, repeats no more among Fig. 4.
Fig. 5 is the flow chart of the service bearer moving method of the instance three according to the present invention.Wherein, be example with UE mobile between GSM and LTE network.Wherein the GSM network is a source, and the LTE network is target side, and is as shown in Figure 5, and this service bearer moving method mainly comprises following processing:
Step S502:UE is in connected state at the GSM network, and carries out the transmission of data through base station sub-system (Base Station Subsystem abbreviates BSS as) and gateway.
Step S504:UE has found the LTE sub-district through measuring, and gives BSS with this information reporting.
Step S506:BSS determines the part load bearing migration in the current network in this LTE network; Therefore send the exchanges data territory to SGSN and switch requirement (PS Handover Required) message; Wherein carry the bearing identification information that to move, and should carry corresponding user plane transport addresses information etc.
Optional, in order to be different from general handoff procedure, can also in message, increase an indicating bit, be the handoff procedure that strengthens in order to indicate this.
Step S508:SGSN sends forward direction re-positioning request (ForwardRelocation Request) message according to this information to the core network element MME of target, and wherein, this message has been carried the bearer related information that needs migration.
Step S510:MME sends handoff request (Handover Request) to the eNB of correspondence.If eNB can admit the carrying that needs migration, then send handoff request feedback (Handover Request Acknowledge) information to MME.
Step S512:MME sends forward direction relocation response (Forward Relocation Response) message to source SGSN
Step S514:SGSN sends reorientation to BSS and requires feedback (Relocation Required Acknowledge) message.
Step S516:BSS sends switching command message to UE, and indicating terminal switches to the LTE network.In order to distinguish normal handoff procedure, in message, can carry corresponding indication information.
Step S518:UE inserts target side eNB, and sends to switch and accomplish (Handover to EUTRAN Complete) message.
Step S520:eNB sends switching notice (Handover Notify) message to MME, and present networks is successfully inserted at the notice terminal
Step S522:MME partly carries through forward direction reorientation completion indication (Forward Relocation Complete) flow process notice source SGSN successfully moves to the LTE network.
Step S524: MME carries flow process (Modify Bearer) notification gateway through revising simultaneously, revises the beared information of the part of moving, and the data of transmitting on the follow-up respective carrier need be sent a UE through the LTE network.
Step S526:SGSN can discharge the carrying and the corresponding resource of being moved by success at source.
Step S528: so far accomplished the migration of partly carrying, this moment, UE can arrive gateway through GSM network and LTE network insertion simultaneously, carried out the transmission of data.
Based on above-mentioned many nets shown in Figure 1 connecting system, the embodiment of the invention also provides a kind of service bearer moving apparatus.Describe below in conjunction with Fig. 6.
Fig. 6 is the structured flowchart according to the service bearer moving apparatus of the embodiment of the invention.As shown in Figure 6, this service bearer moving apparatus comprises: determination module 60 and transferring module 62;
Determination module 60 is used for confirming a plurality of cordless communication network first cordless communication networks initiation service bearer migration flow processs;
Transferring module 62 is connected with receiver module 60, is used for the current part or all of service bearer that carries out of multi-module radio terminal is moved to a plurality of cordless communication networks other cordless communication networks except that first cordless communication network.
Adopt said apparatus shown in Figure 6, can promote the terminal data service rate, make full use of existing Internet resources, be implemented in terminal mobility and dynamic load equilibrium between a plurality of networks, effectively promoted user's experience.
Preferably, above-mentioned first cordless communication network can include but not limited to: the wireless access network element, then service bearer migration flow process can be initiated by the wireless access network element.
Preferably, said wireless access network element is initiated said service bearer migration flow process and comprised following processing: said wireless access network element sends handoff request message or RELOCATION REQUEST message to the core network element of said first cordless communication network.
Wherein, can carry in above-mentioned handoff request message or the RELOCATION REQUEST message: source bearing identification to be migrated, target side network element ID and carry corresponding user plane transport addresses information with to be migrated.
Preferably; Above-mentioned first cordless communication network can also include but not limited to: core network element; Before said service bearer migration flow process is initiated by said wireless access network element; Also comprise: said core network element sends service bearer migration Indication message to said wireless access network element, initiates said service bearer migration flow process to trigger said wireless access network element.
In preferred implementation process; Can initiate service bearer migration Indication message to the access network elements of correspondence by core network element; Access network elements is according to the transition process of Indication message initiation service bearer then, and the transition process that detailed process is initiatively initiated with access network elements is identical.
Preferably, the service bearer migration Indication message of initiating by core network element can multiplexing existing core network element and the wireless access network element between interface message, also can adopt preset (i.e. new introducing) interface message.
Preferably, in this service bearer migration Indication message, can carry following one of at least: need the relevant information of the service bearer of migration, and/or the target side network related information of migration; Alternatively, this service bearer migration Indication message also can be a null message, is used to indicate the wireless access network network element to move.
In sum; By the foregoing description provided by the invention; Both can effectively promote the terminal data service rate, and make full use of existing Internet resources and avoid waste, and can be implemented in terminal mobility and dynamic load equilibrium between a plurality of networks again; Promote user's experience, reduced the network operation pressure and the operation cost of operator.Should technology also can guarantee sufficient backwards compatibility in addition, guarantee the smooth evolution of wireless access technology.
Obviously; It is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize that they can concentrate on the single calculation element with the general calculation device; Perhaps be distributed on the network that a plurality of calculation element forms; Alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby can they be stored in the storage device; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a service bearer moving method is applied to many net connecting systems, it is characterized in that, said many net connecting systems comprise: a plurality of cordless communication networks and the core net gateway of supporting said a plurality of cordless communication networks; Wherein, be connected in parallel between said a plurality of cordless communication networks, and said a plurality of cordless communication network one ends that are connected in parallel are connected to multi-module radio terminal, the other end is connected to said core net gateway; Said service bearer moving method comprises:
Confirm that first cordless communication network is initiated service bearer migration flow process in said a plurality of cordless communication network;
The current part or all of service bearer that carries out of said multi-module radio terminal is moved to other cordless communication networks except that said first cordless communication network in said a plurality of cordless communication network.
2. method according to claim 1 is characterized in that, said service bearer migration flow process realizes through strengthening interdepartmental system switching flow.
3. method according to claim 1 is characterized in that, said first cordless communication network comprises: the wireless access network element, then said service bearer migration flow process is initiated by said wireless access network element.
4. method according to claim 3 is characterized in that, said wireless access network element sends handoff request message through the core network element to said first cordless communication network or RELOCATION REQUEST message is initiated said service bearer migration flow process.
5. method according to claim 4 is characterized in that, carries in said handoff request message or the RELOCATION REQUEST message: source bearing identification to be migrated, target side network element ID and carry corresponding user plane transport addresses information with to be migrated.
6. method according to claim 5 is characterized in that, also carries in said handoff request message or the RELOCATION REQUEST message: the distinguishing identifier information of transition process.
7. method according to claim 3; It is characterized in that; Said first cordless communication network also comprises: core network element; Before said service bearer migration flow process is initiated by said wireless access network element, also comprise: said core network element sends service bearer migration Indication message to said wireless access network element, initiates said service bearer migration flow process to trigger said wireless access network element.
8. method according to claim 7 is characterized in that, said service bearer migration Indication message is interface message or the preset interface message between core network element and the wireless access network element.
9. method according to claim 7 is characterized in that, carry in the said service bearer migration Indication message following one of at least: need the pairing information of service bearer of migration, the target side network element ID.
10. method according to claim 1 is characterized in that, the current part or all of service bearer that carries out of said multi-module radio terminal is moved to said other cordless communication networks comprise:
Said multi-module radio terminal receives the switching command that comes from said first cordless communication network; Wherein, said switching command carries the information that the said multi-module radio terminal of indication is moved to the current part or all of service bearer that carries out said other cordless communication networks;
Said multi-module radio terminal inserts said other cordless communication networks, and part or all of service bearer is moved to said other cordless communication networks.
11. method according to claim 1 is characterized in that, after the current part or all of service bearer that carries out is moved to said other cordless communication networks with said multi-module radio terminal, also comprises:
The core network element of said other cordless communication networks notifies said core net gateway to revise the corresponding beared information of said part or all of service bearer through revising the carrying flow process.
12., it is characterized in that it is one of following that said wireless access network element comprises: base station sub-system BSS, RNS RNS, evolution base station eNB, WLAN WLAN access point according to each described method in the claim 3 to 9.
13., it is characterized in that it is one of following that said core network element comprises according to each described method in the claim 7 to 9:
Service universal grouping wireless business supporting node SGSN or moving exchanging center MSC;
Mobile management entity MME and/or gateway S-GW;
Evolution packet data gateway ePDG.
14., it is characterized in that it is one of following that said core net gateway comprises according to each described method in the claim 1 to 11:
Ggsn GGSN;
Grouped data network gateway P-GW and/or gateway S-GW.
15., it is characterized in that said core net gateway is preset gateway node according to each described method in the claim 1 to 11.
16. a service bearer moving apparatus is applied to many net connecting systems, it is characterized in that, said many net connecting systems comprise:
A plurality of cordless communication networks and the core net gateway of supporting said a plurality of cordless communication networks; Wherein, be connected in parallel between said a plurality of cordless communication networks, and said a plurality of cordless communication network one ends that are connected in parallel are connected to multi-module radio terminal, the other end is connected to said core net gateway; Said service bearer moving apparatus comprises:
Determination module is used for confirming said a plurality of cordless communication network first cordless communication network initiation service bearer migration flow process;
Transferring module is used for the current part or all of service bearer that carries out of said multi-module radio terminal is moved to said a plurality of cordless communication network other cordless communication networks except that said first cordless communication network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100742652A CN102695234A (en) | 2011-03-25 | 2011-03-25 | Service bearing transfer method and apparatus thereof |
| PCT/CN2012/072376 WO2012130046A1 (en) | 2011-03-25 | 2012-03-15 | Method and apparatus for transferring service bearer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100742652A CN102695234A (en) | 2011-03-25 | 2011-03-25 | Service bearing transfer method and apparatus thereof |
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| CN102695234A true CN102695234A (en) | 2012-09-26 |
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| CN2011100742652A Pending CN102695234A (en) | 2011-03-25 | 2011-03-25 | Service bearing transfer method and apparatus thereof |
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| WO (1) | WO2012130046A1 (en) |
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