CN102892210B - Bearing processing method and device - Google Patents
Bearing processing method and device Download PDFInfo
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- CN102892210B CN102892210B CN201110205596.5A CN201110205596A CN102892210B CN 102892210 B CN102892210 B CN 102892210B CN 201110205596 A CN201110205596 A CN 201110205596A CN 102892210 B CN102892210 B CN 102892210B
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- 230000000977 initiatory effect Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 11
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Classifications
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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
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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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
- H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
Abstract
The present invention provides a kind of bearing processing method and devices, this method comprises the following steps: the service network of terminal initiates to request to the target network of other standards, wherein, the request is for carrying the data service migration carried to target network for some or all of connection of the terminal in the service network；Service network receive target network transmission be successfully established connection carrying response message after, release and transport successfully connects carrying.Through the invention, dynamic adjustment of the terminal between more nets is realized.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of bearing processing method and device.
Background technique
With the growth of data business volume expansion type, demand of the terminal user to transmission rate and flow allow existing 2G and
3G network resource is gradually deficient, and user experience is also deteriorated therewith.How to improve user experience is that operator must be taken into consideration
The task of top priority.On the other hand, in order to provide higher service rate, market is to deployment long term evolution (Long Term
Evolution, referred to as LTE) network expectation it is also increasing.But due to actually arranging net in, the replacement of commercial network is not
It can accomplish in one move, therefore in following a very long time, in the not up to covering comprehensively of the new technologies such as LTE, and old 2G, 3G network
Covering not yet by completely instead before, the same area will appear the network of multiple types simultaneously cover scene.Because eventually
The limitation of end ability and business demand, operator wish to realize the smooth transition between multiple network.At least arrived following 5
2G and 3G network will continue to provide partial service service in 10 years.
Under the scene that existing more nets coexist, the load between Multi net voting will appear unbalanced, this is mainly covered with network
Covering the lower terminal type of user and the variation of type of service has relationship.For example now domestic 2G network is because of general grouped wireless
The introducing of business (General Packet Radio Service, referred to as GPRS) business and congestion can't bear, and 3G network because
It is but never fully utilized for factors such as numbers of users, load is lower.For emerging LTE network, user is fewer.It is this not
The balanced experience decline that on the one hand will lead to user, the network of another aspect congestion also bring the operation pressure to operator, together
When other Internet resources can not be fully utilized and also result in the waste of Internet resources, increase the operation cost of operator
(Capital Expenditure, referred to as CAPEX).
One such implementation is exactly to allow current multi mode terminal that can access multiple networks simultaneously to carry out data
Transmission.The absolute data throughput rate of terminal both can be improved in this way, promoted user experience, increased and the market of terminal client is inhaled
Gravitation, and current Internet resources can be made full use of, reduce the operation cost of operator.
And existing method can not solve the dynamic adjustment between mostly net.It will lead to the terminal in more net connection status in this way
It is unable to fully that the transmission rate of terminal can not be effectively increased, while also causing Internet resources using existing Internet resources
Waste.
Summary of the invention
The main purpose of the present invention is to provide a kind of bearing processing method and devices, at least to solve the above problems.
According to an aspect of the present invention, a kind of bearing processing method is provided, includes the following steps: the service network of terminal
It initiates to request to the target network of other standards, wherein the request is for the portion by the terminal in the service network
Point or all in connection carrying the data service migration that carries to the target network；The service network receives the mesh
What mark network was sent is successfully established after the response message of connection carrying, and release and transport successfully connects carrying.
The service network to the target network initiate it is described request include: the service network core network element to
The target network initiates the request；Alternatively, the wireless access network element of the service network triggers the service network
Core network element initiates the request.
The core network element that the Radio Access Network network element of the service network triggers the service network is asked described in initiating
Ask that include: the service network wireless access network element send triggering message to the core network element of the service network, wherein
At least one of is carried in the triggering message: information, the target that the identification information of the terminal, the connection of migration carry
The identification information of side network element.
The target network is established before the new carrying of the terminal, is not built with the target network in the terminal
In the case where vertical connection, the target network indicates that the terminal is established radio resource control RRC and connected by paging, or
Person, the service network indicate that the terminal establishes the RRC connection in the target network by signaling.
It includes: the service network described in receive that the service network, which indicates that the terminal establishes the RRC connection,
What target network was sent is used to indicate after the information of the terminal idle, is indicated described in the terminal foundation by instruction message
RRC connection, wherein the identification information of the target network is carried in the instruction message.
Carry at least one of in the request: the identification information of the terminal, the migration connection carrying
The identification information of information, the target network network element.
The information of the connection carrying of the migration includes at least one of: the mark letter of the connection carrying of the migration
The user surface address information that breath, the service quality of connection carrying of the migration, the connection of the migration carry.
According to another aspect of the present invention, a kind of bearing processing method is provided, includes the following steps: that target network receives
The request initiated to service network that other standards are terminal service, wherein the request for by the terminal described
The data service migration that carries is to the target network in some or all of connection carrying in service network；The target network
Network establishes connection carrying, and after connection carrying is successfully established, is sent described in being successfully established to the service network
The message of carrying is connected, the message is used to indicate the service network release and transport and successfully connects carrying.
Before the request that the target network receives that the service network is initiated, further includes: the service network
The core network element of network initiates the request to the target network；Alternatively, the wireless access network element of the service network touches
The core network element for sending out service network described initiates the request.
The target network network element is sent to the service network in the message that the connection being successfully established carries,
The identification information of the carrying for the service network request migration that target network is successfully established.
According to another aspect of the invention, a kind of carrying processing unit is provided, in the service network of terminal, packet
It includes: the first sending module, for initiating to request to the target network of other standards, wherein the request is for by the terminal
The data service migration that carries is to the target network in some or all of connection carrying in the service network；Release
Module, after being successfully established the response message of connection carrying for receive that the target network sends, release and transport success
Connection carrying.
In accordance with a further aspect of the present invention, a kind of carrying processing unit is provided, is located in target network, comprising: is received
Module, the request initiated for receiving service network that other standards are terminal service, wherein the request is for by institute
State terminal in some or all of connection carrying in the service network data service migration that carries to the target network
Network；Module is established, for establishing connection carrying；Second sending module, for the connection carrying be successfully established after, to institute
The message that service network sends the connection carrying being successfully established is stated, the message is used to indicate the service network release and moves
Move successfully connection carrying.
Through the invention, it initiates to request to the target network of other standards using the service network of terminal, wherein described to ask
It asks and is arrived for some or all of connection of the terminal in the service network to be carried the data service migration carried
The target network；The service network receive the response message for being successfully established connection carrying that the target network is sent it
Afterwards, release and transport successfully connects carrying, solves the problems, such as that cannot achieve terminal dynamically adjusts between more nets, and then reach
The effect that terminal dynamically adjusts between more nets.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of bearing processing method according to an embodiment of the present invention；
Fig. 2 is the flow chart of bearing processing method according to an embodiment of the present invention；
Fig. 3 is the structural block diagram of carrying processing unit according to an embodiment of the present invention；
The structural block diagram of Fig. 4 carrying processing unit according to an embodiment of the present invention；
Fig. 5 is the network architecture diagram of more net accesses according to an embodiment of the present invention；
Fig. 6 is the schematic diagram of connection migration according to an embodiment of the present invention；
Fig. 7 is the flow chart of the bearing processing method of preferred embodiment one according to the present invention；
Fig. 8 is the flow chart of the bearing processing method of preferred embodiment two according to the present invention；
Fig. 9 is the flow chart of the bearing processing method of preferred embodiment three according to the present invention；
Figure 10 is the flow chart of the bearing processing method of preferred embodiment four according to the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
Due to the variation of wireless environment and the factors such as variation of network load, need to be guaranteed at the end of more net connected states
End can be with dynamically adapting, to obtain higher quality of service.This needs network side to be carried out according to terminal local environment multiple
Dynamic adjustment is carried out to the service connection of terminal between network.A kind of bearing processing method is provided in the present embodiment, and Fig. 1 is
The flow chart of bearing processing method according to an embodiment of the present invention, as shown in Figure 1, this method comprises the following steps:
The service network of step S102, terminal initiate to request to the target network of other standards, wherein the request is used for will
The data service migration that carries is to target network in some or all of connection carrying of terminal in the service network；
Step S104, the service network receive the target network transmission be successfully established connection carrying response message it
Afterwards, release and transport successfully connects carrying.
Through the above steps, target network is received by service network to be moved according to service network to what target network was sent
It moves request to be successfully established after connection carrying, release and transport successfully connects carrying.Realize service network under specific circumstances
(for example, in the case where overload) is carried to other standard network migrations, is realized terminal and is dynamically adjusted between more nets, keeps away
The waste for having exempted from Internet resources, can be improved data service rate to a certain extent.
A kind of bearing processing method is additionally provided in the present embodiment, and Fig. 2 is carrying processing according to an embodiment of the present invention
The flow chart of method, as shown in Fig. 2, this method comprises the following steps:
Step S202, target network receive the request that the service network that other standards are terminal service is initiated, wherein
The request for by terminal in some or all of connection carrying in the service network data service migration that carries to this
Target network；
Step S204, the target network establish connection carrying, and after above-mentioned connection carrying is successfully established, to the service
Network sends the message for the above-mentioned connection carrying being successfully established, which is used to indicate the service network release and transport and successfully connects
Connect carrying.
Different from Fig. 1, which is to describe from target network side, but the essence of scheme is identical with Fig. 1.
As a preferred embodiment, the request can be initiated from the core network element of service network to target network；Or
Person can also initiate the request by the core net that the Radio Access Network network element of service network triggers the service network.For example, negative
The migration process of lotus carrying can actively be initiated by the core network element for initiating side network, can also be by the nothing in the network of initiation side
Line access network element triggers core network element and initiates, and needs wireless access network element to send message to core net net at this time, this disappears
Breath instruction core network element initiates the request, wherein carries in the triggering message that the service network wireless access network element is sent
At least one of: the identification information of the terminal, the identification information for connecting the information, target side network element that carry migrated.
Before target network establishes the new carrying of the terminal, connection is not established with the target network in the terminal
In the case of, target network can indicate that the terminal establishes radio resource control RRC connection by paging, alternatively, can also be with
Indicate that the terminal establishes the RRC connection to target network initiation by signaling from service network, for example, service network can connect
Being used to indicate after the information of the terminal idle for target network transmission is received, indicates that the terminal is established by instruction message and is somebody's turn to do
RRC connection.Wherein, the identification information of the target network is carried in the instruction message, target network is created as in the RRC connection
After function, the new carrying of the terminal is established.
Preferably, carry at least one of in the request: the identification information of the terminal, the connection of the migration carry
The identification information of information, the target network network element.For example, the identification information of terminal is the IMSI International Mobile Subscriber Identity of terminal
The unified interim mark in the whole world of (International Mobile Subscriber Identity, referred to as IMSI) or user
Know (Globally Unique Temporary Identity, referred to as GUTI) etc.；And the information of the connection carrying of migration
Including at least one of: the service quality that the identification information of connection carrying of the migration, the connection of the migration carry
(Quality of Service, referred to as QoS) information, the migration connection carrying user surface address information.
A kind of carrying processing unit is additionally provided in the present embodiment, and in the service network of terminal, which is used for
Implement above-described embodiment and preferred embodiment.Fig. 3 is the structural block diagram of carrying processing unit according to an embodiment of the present invention, is such as schemed
Shown in 3, which includes the first sending module 32 and release module 34, is illustrated below to the device.
First sending module 32, for initiating to request to the target network of other standards, wherein the request is for by terminal
The data service migration that carries is to the target network in some or all of connection carrying in the service network；Release module
34, it is connected to the first sending module 32, for receiving the response message for being successfully established connection carrying of target network transmission
Later, release and transport successfully connects carrying.
A kind of carrying processing unit is additionally provided in the present embodiment, is located in target network, and the device is for implementing
State embodiment and preferred embodiment.The structural block diagram of Fig. 4 carrying processing unit according to an embodiment of the present invention, as shown in figure 4, should
Device includes receiving module 42, establishes module 44 and the second sending module 46, is illustrated below to the device.
Receiving module 42, the request initiated for receiving the service network that other standards are terminal service, wherein should
It requests for some or all of connection of terminal in the service network to be carried the data service migration carried to the target
Network；Module 44 is established, receiving module 42 is connected to, for establishing connection carrying；Second sending module 46, is connected to and establishes mould
Block 44 is successfully established what above-mentioned connection carried for what is after above-mentioned connection carrying is successfully established, sent to the service network
Response message, the message are used to indicate service network release and transport and successfully connect carrying.
Above-described embodiment and preferred embodiment make full use of existing Internet resources, avoid the waste of resource, effectively
The data service rate of terminal is improved, and mobility of the terminal between multiple networks may be implemented, can also realize dynamic
Load balancing improves the experience of user, reduces the network operation pressure and operation cost of operator.It in addition can also be one
Determine to guarantee backwards compatibility in degree, it is ensured that the smooth evolution of wireless access technology.It should be noted that said effect is different
Surely each preferred embodiment is able to achieve, some effects are that certain preferred embodiments can be only achieved.
Fig. 5 is the network architecture diagram of more net accesses according to an embodiment of the present invention, as shown in figure 5, wireless terminal (or use
Family equipment) (User Equipment, referred to as UE) by the network of a variety of wireless access technologys can be linked into the same core
Heart net gateway.Anchor point of the gateway as data distribution will be divided into multiple subdatas by the downlink data of the core network gateway
Stream, is sent to wireless terminal user by different cordless communication networks respectively, for example, passing through LTE network or General Mobile
Communication system (Universal Mobile Telecommunication System, referred to as UMTS) network, or the whole world are moved
Dynamic communication system (Global System for Mobile Communications, referred to as GSM) network etc.；Correspondingly, nothing
Line terminal user can also send upstream data by one or more networks in multiple networks of access.Here core net
Gateway can be multiplexed the data gateway in existing network, such as grouped data network gateway (the Packet Data in LTE network
Network Gateway, referred to as P-GW) or gateway (Serving Gateway, referred to as S-GW) or UMTS net
Ggsn (Gateway GPRS Support Node, referred to as GGSN) of network etc..
Preferred embodiment is illustrated below with reference to more nets access frame of Fig. 5, is provided in the preferred embodiment
A method of it realizes connection migration (or load bearing migration), Fig. 6 is showing for connection migration according to an embodiment of the present invention
It is intended to, as shown in Figure 6:
The core network element of the service network of terminal initiates migration process to other standard networks, and request is by terminal in Home Network
The data service migration that carries exists to target network, the core network element of target network in connection carrying some or all of in network
Connection carrying accordingly is established in present networks after receiving the message, is initiated the reply of side core network element to process after success and is rung
Message is answered, process initiates side release and transport and successfully connects carrying.
Wherein, other above-mentioned standard networks, which can be, provides the network of service to terminal, is also possible to other free time
Network.
The service network of the terminal initiates migration request to other networks, and the identification information of UE is carried in the request message,
Such as the IMSI International Mobile Subscriber Identity IMSI of UE or the unified temporary identifier GUTI in the whole world of user etc.；And current service network
Prepare the connection to be migrated carrying information, for example, the identification information of carrying, service quality QoS relevant information of carrying etc..
Preferably, which can be using the interface message between existing heterogeneous networks core net, for example, using preceding to weight
Locating request message (Forward Relocation Request), or use the message newly introduced.
Target network, which establishes the method for being migrated carrying, can be multiplexed existing carrying foundation or modification process, for example, just
Beginning customer equipment context establishment process (Initial UE Context Setup) or bearing modification message (RAB/E-RAB
Modify) etc..
Target network replys response message to service network, wherein target side can be carried in the response message of the reply
The connection load identification information that network is successfully established.The message can use the interface message between heterogeneous networks core net, than
Such as using preceding to relocation response message (Forward Relocation Response), or use the message newly introduced.
The core network element that the migration process can be initiated by process in the network of side is actively initiated, can also be by network
Wireless access network element triggers core network element and initiates.When it is implemented, being selected according to the requirement of initiation.If the process by
The triggering of wireless access network element is initiated, and is needed to initiate side wireless access network element to core net and is sent message, after receiving the message
Core net carries out migration negotiation with target side network by the above process again.
Preferably, when initiating migration process by wireless access network element triggering core network element, side wireless access is initiated
Network element can be to the message that core net is sent through the interface in existing protocol between access network elements and core network element
Message transmission, for example, carrying release instruction (E-RAB Release Indication) message or uplink direct-sending message
(Uplink Direct Transfer) etc., is also possible to newly-increased interface message.It needs to indicate core net needs in the message
Initiate the migration of carrying.Furthermore it is also possible to carry the identification information and target network for needing the carrying migrated within the message
Identification information.
It should be noted that service bearer mentioned here refers in networks with different systems, for transmission user equipment
Data and establish user face connection carrying.For example, the universal terrestrial access network for being carried as evolution in the lte networks
Radio access bearer (E-UTRAN Radio Access Bearer, referred to as E-RAB) and/or corresponding empty port load-supporting；?
UMTS network middle finger radio access bearer (Radio Access Bearer, referred to as RAB) and/or corresponding empty port load-supporting.
Wherein wireless access network element refers to evolution base station (Evolved Node B, referred to as eNB), core in the lte networks
Heart network element refers to mobile management entity (Mobility Management Entity, referred to as MME)；It is wireless in a umts network
Access network elements refer to radio network controller (Radio Network Controller, referred to as RNC) and base station (Node B)
(being referred to as wireless network subsystem RNS), core network element refers to service universal grouping wireless business supporting node (Serving GPRS
Support Node, referred to as SGSN) or mobile switching centre (Mobile Switching Center, referred to as MSC)；?
Wireless access network element refers to base station controller (Base Station Controller, referred to as BSC) and base station in GSM network
(Base Transceiver Station, referred to as BTS) (is referred to as base station system BSS), and core network element refers to SGSN or MSC；
Likewise, also respectively referring to the control node of wireless access network and core net in other networks.It can complete to use by the above method
The dynamic configuration of carrying of the family equipment in the networks with different systems such as UMTS, LTE, GSM.
This preferred embodiment is illustrated below with reference to different preferred embodiments.
Fig. 7 is the flow chart of the bearing processing method of preferred embodiment one according to the present invention, as shown in fig. 7, the process packet
Include following steps:
In the preferred embodiment, for UE in LTE and UTMS network all in connected state, i.e. UE is in more net access states.
UE has multiple connections to carry respectively in two networks, the data of several business is carried respectively, for example, depositing in the lte networks
It is carried as carrying 1 and carrying 2 in the corresponding connection of business 1 and 2, there is the corresponding connection of business 3 in a umts network and be carried as
Carrying 3.
Step S702, MME judges that present networks load is excessively high, therefore initiates the connection the migration request of carrying, and preparing will connection
Carrying 1 moves to UMTS network.MME initiates load bearing migration process to target side network element SGSN, for example, asking before to reorientation
(Forward Relocation Request) message is sought, the identification information (for example, IMSI) of UE is carried within the message, needs
The load identification information of connection carrying 1, the QoS attribute of carrying and user face address relevant information of carrying of migration etc.；
Step S704, SGSN, which have found the context of the UE in a umts network according to the IMSI of UE in the solicited message, to be believed
Breath, finds 3 place network informations, including RNS information of existing carrying etc., then initiates corresponding bearing modification process to the RNS,
Carrying 1 to be migrated corresponding new bearer (carrying 4) in present networks is established, including the ground loading between SGSN and RNS, RNS
The carrying between empty port load-supporting and SGSN and gateway between UE；
Step S706, SGSN initiate radio access bearer assignment request (RAB ASSIGNMENT REQUEST) to RNS,
The corresponding new bearer mark of middle carrying carrying 4, qos parameter information, and the user face address relevant information etc. of carrying 4；
Step S708, RNS initiate wireless heterogeneous networks reconfiguration request process (RRC Reconfiguration to UE
Request), the corresponding connection carrying of eating dishes without rice or wine of carrying 4 is established in request, and after the completion of foundation, UE is reconfigured by wireless heterogeneous networks
It sets and completes message (RRC Reconfiguration complete) message back RNS, instruction is eated dishes without rice or wine to connect and is successfully established；
Step S710, RNS send radio access bearer to SGSN and response (RAB Assignment Response) are assigned to disappear
Breath, instruction connection carrying are successfully established；
Step S712, after SGSN receives the message, the context of modification UE in a umts network, and send and carry to MME
The response of migration, for example, by preceding to relocation response (Forward Relocation Response) message.Preferably, exist
The load identification information etc. being successfully established can be carried in the message.Instruction connection 1 corresponding connection in a umts network of carrying
Carrying is successfully established；
Step S714, release and transport successfully carries 1 after MME receives the message, holds including the ground between MME and eNB
Load and the empty port load-supporting between eNB and UE etc..
As long as last SGSN notification gateway is by the Data Migration carried in connection carrying 1 in LTE network into UMTS network
In the carrying 4 of foundation, this completes the migration of the carrying of UE between the two networks.
It initiates, is also possible to it should be noted that the triggering reason of above-mentioned process can be the triggering of wireless access network element
MME thinks the reasons such as present networks signal quality is deteriorated or QoS of survice demand or user's charging need, and is specifically subject to realization.
Fig. 8 is the flow chart of the bearing processing method of preferred embodiment two according to the present invention, and the triggering reason of the process is
The triggering of wireless access network element is initiated, as shown in figure 8, the process includes the following steps:
Step S800, eNB indicate that MME initiates load bearing migration process by S1 mouthfuls of message.For example, passing through carrying release instruction
(E-RAB Release Indication) message carries the identification information for needing the carrying migrated within the message.For area
The reason value in common release instruction message, the message is divided to can be set as " connection migration " or other similar reason.Into
One step, eNB can also carry the identification information for needing the target network element migrated within the message, for example, the mark of Target cell
Know etc..
Step S802~step S814, with step S702~step S714 of preferred embodiment one.
Fig. 9 is the flow chart of the bearing processing method of preferred embodiment three according to the present invention, as shown in figure 9, the process packet
Include following steps:
In the preferred embodiment, UE is current is only in connected state in GSM network.There are multiple industry in gsm networks in UE
It is engaged in corresponding connection carrying, for example, the corresponding carrying 1 of business 1, business 2, business 3, carrying 2 and carrying 3.It is needed now by moving
Journey is moved past to move to carrying 3 in gsm networks in UMTS network.Exist in a umts network without connection at this time, i.e., should
UE is in UTMS network still in Idle state.
Step S902, the SGSN in GSM network judge that UE current GSM network is unsatisfactory for the clothes of the business 3 carried in carrying 3
Quality (QoS) demand of business, therefore determine the business migration in the carrying into UMTS network.Therefore the SGSN in GSM network
As side network element is initiated, initiate load bearing migration process to target side SGSN network element, for example, by it is preceding to RELOCATION REQUEST message or
Person carries the identification information IMSI of UE using newly-increased load bearing migration request message within the message, and needs what is migrated to hold
The identification information for carrying 3 carries 3 QoS attribute, and the user face address relevant information etc. of carrying 3；
Step S904, target side SGSN have found that UE does not connect presence in present networks according to the identification information of UE, that is, are in
Idle state then initiates to page to UE in UMTS network；
Step S906, after UE receives the paging message, the corresponding access net network RNS of the cell being currently located to UE is initiated
RRC connection is established；
Step S908, RNS send initial UE message after RRC connection is successfully established, to core net (i.e. target side SGSN)
(Initial UE Message)；
Step S910, target side SGSN are that the UE establishes context, and sends according to side SGSN is initiated in a umts network
Migration request message initiate corresponding new bearer (new bearer mark distributed by SGSN, might as well be known as carrying here and 4) be established
Journey, including the ground loading between corresponding SGSN and RNS, between the empty port load-supporting and SGSN and gateway between RNS and UE
Carrying.Target SGSN initiates RAB assignment messages to RNS, wherein carrying the identification information of carrying 4, carries the ginseng such as 4 QoS
Number configuration information, and 4 corresponding user face transport addresses informations of carrying etc.；
Step S912, RNS initiate RRC reconfiguration request message to UE according to request, and which includes 4 corresponding skies of carrying
The parameter configuration that mouthpiece carries, mark and bottom transmission configuration including carrying.After being successfully established, UE is sent to RNS
RRC reconfiguration response message；
Step S914, RNS send RAB to target side SGSN and assign response message, indicate target side after receiving response
SGSN carrying is successfully established；
Step S916, target side SGSN send response to initiating side after carrying is successfully established, for example, by preceding to resetting
Position response (Forward Relocation Response) message or the load bearing migration response newly introduced.Optionally, in the message
The load identification information etc. being successfully established can be carried；
Step S918, after initiation side receives the message, release and transport successfully carries 3, including initiates side SGSN and initiate
The empty port load-supporting etc. between ground loading and RSN and UE between the RNS of side.
Ideal side SGSN notification gateway will be sent to the carrying for initiating the Data Migration in side carrying 3 into UMTS network
On 4, this completes the migration of the carrying of UE between the two networks.
Equally, the triggering reason of the above process can be initiate side SGSN think present networks signal quality be deteriorated, Huo Zheben
Excessively high etc. reasons of network load, are specifically subject to realization.
It should be noted that in the step S904 and step S906 of the above process, when UE is in the free time in target side network
When state, the paging that target side uses to establish initial RRC connection can also pass through existing company by initiating side network
The UE that signals connect first initiates RRC connection establishment process in target network, it may be assumed that
1. with the step S902 of preferred embodiment three；
2. target side SGSN discovery UE is in Idle state, then notify to initiate side SGSN.The message can be by preceding to resetting
Position failure (Forward Relocation Failure) indicates to initiate side SGSN, and indicates that UE is currently in the free time in target side
State；
Indicate that UE initiates RRC in UMTS network by access layer (AS) or Non-Access Stratum (NAS) message 3. initiating side SGSN
Connection.AS message or NAS message therein can be known message, for example, RRC reconfiguration request message, or order ID
(COMMAND ID) message etc.；It is also possible to newly-increased message；
4.UE establishes RRC connection in Target cell according to the instruction and establishes；
5~10. initiation side SGSN re-initiate load bearing migration process, and target SGSN only needs to be attached carrying at this time
Foundation, specific steps are the same as step S908~step S918 in preferred embodiment three.
Equally, above-mentioned process can also trigger SGSN by access network elements BSS and initiate, i.e. BSS is referred to by Iu mouthfuls of message
Show that SGSN initiates load bearing migration process.For example, carrying need to migrate migration within the message by carrying release instruction message etc.
Carrying identification information.In order to distinguish over common release instruction message, the reason value in message can be set as that " migration is moved
Move " or other similar reason.Further, BSS can also carry the target network element identification information for needing to migrate within the message,
Such as mark of Target cell etc..SGSN initiates load bearing migration process to target network element according to instruction information, can specifically use
Process described in preferred embodiment three.
Figure 10 is the flow chart of the bearing processing method of preferred embodiment four according to the present invention, as shown in Figure 10, the process
Include the following steps:
In the preferred embodiment, UE is connected to GSM network and LTE network simultaneously, that is, is in more net connected states.Wherein UE
There is business progress in two networks, the carrying that different business is carried in corresponding two networks is respectively designated generally as carrying
1 and carrying 2.Here actively triggering carries transition process between the two networks to access network elements.
Step S1002, GSM network access network elements BSS judge that current radio signal quality is deteriorated, therefore, it is considered that current net
The carrying of network needs to migrate, thereby indicate that SGSN initiates load bearing migration process, requires (PS for example, switching by packet-switched domain
Handover Required) message, or the interface message newly introduced.Carrying (the example for needing to migrate is carried in the message
Such as, identification information, the corresponding QoS property parameters of carrying 1), and corresponding transport addresses information etc..Further, this disappears
The identification information of target network is also carried in breath, for example, the identification information of target eNB；
Step S1004, SGSN find corresponding MME according to the mark of target eNB, and initiate radio access bearer to it and move
Journey is moved past, which can be multiplexed existing forward direction RELOCATION REQUEST message or use newly-increased load bearing migration request message,
The identification information IMSI of UE is carried in the message, and the identification information for the carrying 1 for needing to migrate, carry 1 QoS attribute, and
The user face address relevant information etc. of carrying 1；
Step S1006, MME according to the identification information of UE find UE UMTS network contextual information, therefore determine exist
The corresponding new bearer of carrying 1 (for example, being known as carrying 3) is established on the basis of existing connection.MME, which initiates carrying foundation to eNB, to be asked
(E-RAB Setup Request) is asked, wherein carrying the corresponding new bearer mark of carrying 1, qos parameter information, and carrying 1
User face address relevant information etc.；
Step S1008, eNB initiate wireless heterogeneous networks reconfiguration request process (RRC Reconfiguration to UE
Request), the corresponding connection carrying of eating dishes without rice or wine of carrying 3 is established in request, and after the completion of foundation, UE is reconfigured by wireless heterogeneous networks
It sets and completes message (RRC Reconfiguration complete) reply eNB, instruction is eated dishes without rice or wine to connect and is successfully established；
Step S1010, eNB send carrying to MME and establish response (E-RAB Setup Response) message, instruction connection
Carrying is successfully established；
Step S1012, after MME receives message, the context of modification UE in a umts network, and send carrying to SGSN and move
The response of shifting, such as by preceding to relocation response (Forward Relocation Response) message.Optionally, disappearing
The load identification information etc. being successfully established can be carried in breath.Corresponding connection carrying is built in the lte networks for instruction connection carrying 1
It stands successfully；
Step S1014, SGSN are received and are sent carrying release message to initiating side BSS after message, for example, passing through Iu mouthfuls of releases
(Iu Release) message, releasing bearing 1, including corresponding ground loading and connection carrying of eating dishes without rice or wine.
Finally, target SGSN notifies core network gateway that the business datum for being originally sent to GSM network is moved to LTE network
On carrying 3 on, so as to complete the migration of carrying.
Side is initiated in above embodiments and preferred embodiment can also all move to all carryings under target network.It is above-mentioned
Embodiment and preferred embodiment can be adapted for the load bearing migration process between any two network, used in heterogeneous networks
Specific message name can be different.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, so as to be stored in
It is performed by computing device in storage device, perhaps they are fabricated to each integrated circuit modules or will be in them
Multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hard
Part and software combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of bearing processing method, which comprises the steps of:
The service network of terminal initiates to request to the target network of other standards, wherein the request is for existing the terminal
The data service migration that carries is to the target network in some or all of connection carrying in the service network；
What the service network received that the target network sends is successfully established after the response message of connection carrying, and release is moved
Successfully connection carrying is moved, and retains and does not migrate successfully all or part of connection carrying；
Wherein, the service network initiates the wireless access network that the request includes: the service network to the target network
The core network element that network element triggers the service network initiates the request；
The core network element that the Radio Access Network network element of the service network triggers the service network initiates the request packet
Include: the service network wireless access network element sends triggering message to the core network element of the service network, wherein described
Carry at least one of in triggering message: the identification information of the terminal, the migration connection carrying information, described
The identification information of target side network element.
2. the method according to claim 1, wherein the target network establish the terminal new carrying it
Before, in the case where the terminal does not establish connection with the target network,
The target network indicates that the terminal establishes radio resource control RRC connection by paging, alternatively,
The service network indicates that the terminal establishes the RRC connection in the target network by signaling.
3. according to the method described in claim 2, it is characterized in that, the service network indicates that the terminal establishes the RRC
Connection includes:
After the service network is used to indicate the information of the terminal idle receive that the target network sends, pass through
Instruction message indicates that the terminal establishes the RRC connection, wherein the mark of the target network is carried in the instruction message
Know information.
4. according to the method in any one of claims 1 to 3, which is characterized in that carried in the request it is following at least
One of: the identification information of the terminal, the migration connection carrying information, the target network network element identification information.
5. according to the method described in claim 4, it is characterized in that, the migration connection carrying information include it is following at least
One of:
The connection of service quality, the migration that the connection of identification information, the migration that the connection of the migration carries carries
The user surface address information of carrying.
6. a kind of bearing processing method, which comprises the steps of:
Target network receives the request that the service network that other standards are terminal service is initiated, wherein the request is used for
By the terminal in some or all of connection carrying in the service network data service migration that carries to the mesh
Mark network；
The target network establishes connection carrying, and after connection carrying is successfully established, sends to the service network
The message for the connection carrying being successfully established, the message, which is used to indicate the service network release and transport and successfully connects, holds
It carries, and retains and do not migrate successfully all or part of connection carrying；
Wherein, before the request that the target network receives that the service network is initiated, further includes: the service network
The core network element that the wireless access network element of network triggers the service network initiates the request；
The core network element that the Radio Access Network network element of the service network triggers the service network initiates the request packet
Include: the service network wireless access network element sends triggering message to the core network element of the service network, wherein described
Carry at least one of in triggering message: the identification information of the terminal, the migration connection carrying information, described
The identification information of target side network element.
7. according to the method described in claim 6, it is characterized in that, the target network network element to the service network send at
It include the carrying for the service network request migration that target network is successfully established in the message for the connection carrying that function is established
Identification information.
8. a kind of carrying processing unit, which is characterized in that in the service network of terminal, comprising:
First sending module, for initiating to request to the target network of other standards, wherein the request is for by the terminal
The data service migration that carries is to the target network in some or all of connection carrying in the service network；
Release module initiates release after being successfully established the message of connection carrying for receive that the target network sends
Migration successfully connection carrying, and retain and do not migrate successfully all or part of connection carrying；
Wherein, the wireless access network element that first sending module is also used for the service network triggers the service network
The core network element of network initiates the request and uses the service network wireless access network element to the service network
Core network element sends triggering message, wherein carries at least one of in the triggering message: the mark letter of the terminal
It ceases, the identification information of the information of the connection carrying of the migration, the target side network element.
9. a kind of carrying processing unit, which is characterized in that be located in target network, comprising:
Receiving module, the request initiated for receiving the service network that other standards are terminal service, wherein the request
For some or all of connection of the terminal in the service network to be carried the data service migration carried to institute
State target network；
Module is established, for establishing connection carrying；
Second sending module, for being successfully established to what the service network was sent after connection carrying is successfully established
The message of the connection carrying, the message are used to indicate the service network initiation release and transport and successfully connect carrying, and
Reservation does not migrate successfully all or part of connection carrying；
Wherein, described device further includes being used to indicate the wireless access network element of the service network to trigger the service network
Core network element initiates the module of the request and indicates the service network wireless access network element to the service network
Core network element send triggering message module, wherein carry at least one of in the triggering message: the terminal
Identification information, the migration connection carrying information, the target side network element identification information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205596.5A CN102892210B (en) | 2011-07-21 | 2011-07-21 | Bearing processing method and device |
| PCT/CN2012/072740 WO2012152130A1 (en) | 2011-07-21 | 2012-03-21 | Bearer processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205596.5A CN102892210B (en) | 2011-07-21 | 2011-07-21 | Bearing processing method and device |
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| CN102892210A CN102892210A (en) | 2013-01-23 |
| CN102892210B true CN102892210B (en) | 2018-12-21 |
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| WO (1) | WO2012152130A1 (en) |
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| CN103686883B (en) * | 2012-09-20 | 2017-08-25 | 上海贝尔股份有限公司 | Method and apparatus for carrying out data flow migration in many Radio Access Networks |
| CN103974331B (en) * | 2013-02-06 | 2018-04-17 | 电信科学技术研究院 | A kind of load-balancing method of heterogeneous network, equipment and system |
| CN104602299A (en) * | 2013-10-31 | 2015-05-06 | 宇龙计算机通信科技(深圳)有限公司 | Wireless communication method and wireless communication equipment |
| CN105101311B (en) * | 2014-05-14 | 2020-02-04 | 电信科学技术研究院 | Bearer switching method, equipment and system |
| US9888421B2 (en) | 2014-09-16 | 2018-02-06 | Mediatek Inc. | Method of enhanced bearer continuity for 3GPP system change |
| CN105592494B (en) * | 2015-12-24 | 2020-02-04 | 吉林吉大通信设计院股份有限公司 | Method for balancing pool capacity of mobility management equipment |
| EP3592100B1 (en) | 2017-03-22 | 2020-11-25 | Huawei Technologies Co., Ltd. | Session migration method and device |
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| CN101094509B (en) * | 2006-06-20 | 2010-09-08 | 华为技术有限公司 | Evolution network, and method for moving anchor point of user device |
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| US20050227691A1 (en) * | 2004-03-19 | 2005-10-13 | Pecen Mark E | Apparatus and method for handover between two networks during an ongoing communication |
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