CN102833682B - Information acquisition method, apparatus and system - Google Patents

Information acquisition method, apparatus and system Download PDF

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Publication number
CN102833682B
CN102833682B CN201110159340.5A CN201110159340A CN102833682B CN 102833682 B CN102833682 B CN 102833682B CN 201110159340 A CN201110159340 A CN 201110159340A CN 102833682 B CN102833682 B CN 102833682B
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China
Prior art keywords
home
base station
message
request message
source base
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CN102833682A (en
Inventor
梁爽
王静
周娜
霍玉臻
雷小燕
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NANTONG HONGMEI DAIRY Co.,Ltd.
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ZTE Corp
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Priority to CN201110159340.5A priority Critical patent/CN102833682B/en
Priority to PCT/CN2012/076736 priority patent/WO2012171451A1/en
Publication of CN102833682A publication Critical patent/CN102833682A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of information acquisition method, apparatus and system, this method includes：Base station from home sends system broadcast message, wherein, system broadcast message carries the home network identification where base station from home；System broadcast message of the terminal monitoring from base station from home, obtains the home network identification where base station from home from system broadcast message.The rear end network element closed the invention enables terminal and local access network can obtain home network identification so that according to home network identification carry out it is follow-up be treated as possibility, improve system performance.

Description

Information acquisition method, apparatus and system
Technical field
The present invention relates to the communications field, in particular to a kind of information acquisition method, apparatus and system.
Background technology
In order to keep 3-G (Generation Three mobile communication system) in the competitiveness of the communications field, provide to the user speed faster, time delay Lower, more personalized mobile communication service, meanwhile, reduce the operation cost of operator, third generation partner program (3rdGeneration Partnership Project, referred to as 3GPP) standard working group is just directed to evolved packet system The research of (EvolvedPacket System, abbreviation EPS).Fig. 1 is the structure according to the evolution grouping domain system of correlation technique Schematic diagram, as shown in Figure 1, whole EPS system is divided into wireless access network and core net two parts.In the core network, contain and return Belong to client server (Home Subscriber Server, referred to as HSS), mobility management entity (Mobility Management Entity, referred to as MME), Serving GPRS Support Node (Serving GPRS Support Node, referred to as For SGSN), policy charging rule function (Policy and Charging Rule Function, referred to as PCRF), service network Close (Serving Gateway, referred to as S-GW), packet data gateway (PDN Gateway, referred to as P-GW) and grouped data Network (Packet DataNetwork, packet data network).Functions are described below in detail：
Home subscriber server (HSS), contains all functions of attaching position register (HLR), is user's signing number According to permanent storage place, positioned at user signing home network.
Mobility management entity (MME), is storage place of the user contracting data in current network, is responsible for terminal to network Non-Access Stratum signaling management, the safety verification function of terminal, the mobile management of terminal, the tracking under user's idle pulley and Page management function and bearer management.
Serving GPRS Support Node (SGSN), is the business support point of GERAN and UTRAN user access core network networks, work( It is similar with mobility management entity on energy, it is responsible for the functions such as location updating, paging management and the bearer management of user.
Gateway (S-GW), is gateway of the core net to wireless system, the user plane bearer of responsible terminal to core net, Function, Lawful Interception and the packet routing of data buffer storage, network side initiating business request under terminal idle mode and turn Send out function；Gateway is responsible for counting user terminal and uses the situation of wireless network, and produces the ticket that terminal uses wireless network, passes Give charging gateway.
Packet data gateway (P-GW), is the gateway of evolution system and its exterior packet data network, it is connected to On internet and packet data network, it is responsible for Internet protocol (Internet Protocol, referred to as IP) address point of terminal Match somebody with somebody, billing function, packet packet filtering, the function such as policy control.
Universal Wireless Packet Service gateway support node (Gateway General Packet Radio Service (GPRS) SupportNode, referred to as GGSN), support the edge routing function of GPRS network, i.e. GGSN is responsible for GPRS network Data carry out routing forwarding, and protect by fire wall and filtering function the integrality of GPRS network data.GGSN also has There is billing function.
P-GW contains the repertoire of GGSN, you can thinks a subfunctions of the GGSN as P-GW, is embedded in P-GW It is interior.Therefore SGSN can be connected directly with P-GW, use Gn/Gp interfaces.
Packet data network (PDN), is the IP operation network of operator, and the core net which passes through operator is user IP services are provided.
Policy charging rule functional entity (PCRF), be in evolution system be responsible for provide charging control, online diameter credit control, Thresholding control, the server of service quality (Quality of Service, referred to as QoS) strategy aspect rule.
Wireless access network, is by evolution base station (E-UTRANNodeB, abbreviation eNB) and 3G radio network controllers (Radio Network Control, abbreviation RNC) composition, it is mainly responsible for the transmitting-receiving of wireless signal, by air interface and terminal contact, The Radio Resource of management air interface, scheduling of resource, access control.
Base station from home (Home NodeB, referred to as HNB) or base station from home (Home eNodeN, the abbreviation of evolution HeNB be) a kind of small-sized, low-power base station, as the dedicated resources of certain user, be deployed in family, group, company or The private sites such as school use, primarily to providing the user with the service rate of higher and reducing using needed for high rate services The expense wanted, while make up the deficiency of existing distributed cellular radio communication system covering.The advantages of base station from home be material benefit, just Victory, low-power output, plug and play, broadband access, use single-mode terminal etc..
Base station from home can be applied mobile logical in 3G or Long Term Evolution (Long Term Evolution, referred to as LTE) In communication network.For the ease of being managed to base station from home, a new network element, i.e. home base-station gateway are introduced in a network. The function that home base-station gateway mainly performs is：Verify the security of base station from home, the operation to base station from home carries out maintenance pipe Reason, configures and controls base station from home according to Carrier Requirements, is responsible for the data message of exchcange core net and base station from home.
In order to provide different privacies, base station from home has different access modules, respectively closed mode, mixed mode And open mode.For first two pattern, user from base station when need verify user CSG (closed Subscribed group) signing information.
Base station from home can also support local IP access functions in addition to supporting the access by mobile core network, Under conditions of base station from home possesses local IP access capabilities and user's signing permission local IP access, it is possible to achieve user couple The local access of other IP devices of home network or internet.Pass through local access function, it is possible to achieve Internet numbers According to the shunting of business, core net load is reduced, and the access for home network device can not be carried out by core net Forwarding, data transfer convenient and efficient.Local IP access functions can also use on macrocellular, main application and base station from home class Seemingly, it is more to apply to access this scenes of Internet in local IP, it is therefore an objective to reduce core net load.Fig. 2 is according to phase First Organization Chart of the local access function of realization of pass technology, wherein, local access network closes (Local Gateway, referred to as L- GW, also referred to as local gateway) as local be linked into the network of external network (such as internet), there is provided address distribution, charging, It is grouped packet filtering, policy control, data distribution function, wireless access network application obscure portions (Radios Access Network Application Part, referred to as NAS/RANAP) message parsing, network address translation (Network Address Translation, referred to as NAT), the function such as local IP access policybased routing and execution.In addition, close can be with for local access network Realize the access of internal network, realize that local access network is closed in administrative area, different terminals is direct, and internal network is mutual Visit.The network element, can be by itself and existing base station from home joint portion when actual deployment as an independent LU Administration.Local access architecture is realized for macrocellular, and local access network closes can also be with base stations united deployment.Can also conduct Independent network element is individually disposed.Fig. 3 is the second Organization Chart for realizing local access function according to correlation technique, as shown in figure 3, If there are home base-station gateway in network, the network element is between base station from home and mobile management unit.In Fig. 2 and Fig. 3 Local access network closes, and for the terminal of UMTS accesses, can also be GGSN.
Local access network is closed when realizing the function that internal network accesses, in order to ensure the privacy of internal network, it is necessary to The terminal for accessing internal network is verified, according to the signing information of user, mobile management unit (including MME and SGSN) will User is verified.Only just it is allowed in the specific base station from home access relevant APN of locality connection.In these specific families With in base station, it is allowed to which UE enjoys the base station from home of uninterrupted business in movement, constitutes a local network, and possess one The mark of a local network.The local that base station from home in same local network can provide local network for terminal connects When connecing, and ensureing that terminal moves in the home network, using the teaching of the invention it is possible to provide continuous business experience.Fig. 4 is according to correlation technique User is moved to the configuration diagram outside local network, as shown in figure 4, when user moves out local network, or different When being moved between local network, the local service of terminal possibly can not provide, but other business still may can keep continuous.
As described above, the base station from home in a local network possesses a home network identification, therefore, local network mark Know become judge some base station from home whether be base station from home in local network important evidence, and at others correlations Relevant processing foundation may also be formed in reason.However, in correlation technique, the rear end network element of terminal or local access network pass can not The home network identification of base station from home is obtained, so as to have impact on follow-up processing procedure, system performance is adversely affected.
The content of the invention
It is a primary object of the present invention to provide a kind of information acquisition method, apparatus and system, at least to solve above-mentioned ask Topic.
One aspect of the present invention provides a kind of information acquisition method, including：Base station from home sends system broadcast message, Wherein, the system broadcast message carries the home network identification where the base station from home；Terminal monitoring comes from the family With the system broadcast message of base station, the local network where the base station from home is obtained from the system broadcast message Network identifies.
Another aspect of the present invention provides a kind of information acquisition method, including：Local access network is closed to the local The rear end network element of access gateway sends session establishment request message, wherein, the session establishment request message carries described Home network identification belonging to ground access gateway；The rear end network element receives the session establishment request message, from the session Establish in request message and obtain the home network identification.
An additional aspect of the present invention provides a kind of base station from home, including：Broadcast module, disappears for sending system broadcasts Breath, wherein, the system broadcast message carries the home network identification where the base station from home.
Another aspect of the invention provides a kind of terminal, including：Module is monitored, for monitoring from base station from home System broadcast message, wherein, the system broadcast message carries the home network identification where the base station from home；Obtain mould Block, for obtaining the home network identification where the base station from home from the system broadcast message.
Another aspect of the invention provides a kind of Information Acquisition System, including base station from home above and terminal.
Another aspect of the invention provides a kind of Information Acquisition System, including：Local access network closes, for described The rear end network element that local access network closes sends session establishment request message, wherein, the session establishment request message carries State local access network and close affiliated home network identification；The rear end network element, for receiving the session establishment request message, from The home network identification is obtained in the session establishment request message.
It is wide by monitoring by the home network identification where broadcast transmission, terminal using base station from home by the present invention The home network identification that message gets the base station from home is broadcast, so that terminal successfully obtains home network identification.The present invention Additionally provide so that the rear end network element that local access network closes obtains the scheme of home network identification, local access network closes will be affiliated Home network identification passes to rear end network element by session establishment request message, so as to ensure that rear end network element can obtain local Network identity, easy to follow-up processing.The present invention, which solves terminal or the rear end network element of local access network pass, can not obtain local The rear end network element that the problem of network identity is so as to influence subsequent processes, reduce system performance, terminal and local access network close Home network identification can be obtained so that according to home network identification carry out it is follow-up be treated as possibility, improve and be System performance.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram according to the evolution grouping domain system of correlation technique；
Fig. 2 is the first Organization Chart according to the local access function of realization of correlation technique；
Fig. 3 is the second Organization Chart according to the local access function of realization of correlation technique；
Fig. 4 is the configuration diagram being moved to according to the user of correlation technique outside local network；
Fig. 5 is a kind of flow chart of information acquisition method according to embodiments of the present invention；
Fig. 6 is the structure diagram of base station from home according to embodiments of the present invention；
Fig. 7 is the preferred structure block diagram one of base station from home according to embodiments of the present invention；
Fig. 8 is the preferred structure block diagram two of base station from home according to embodiments of the present invention；
Fig. 9 is the preferred structure block diagram three of base station from home according to embodiments of the present invention；
Figure 10 is the structure diagram of terminal according to embodiments of the present invention；
Figure 11 is the preferred structure block diagram of terminal according to embodiments of the present invention；
Figure 12 is the interaction diagrams according to embodiment 1；
Figure 13 is the interaction diagrams according to embodiment 2；
Figure 14 is the interaction diagrams according to embodiment 3；
Figure 15 is the interaction diagrams according to embodiment 4；
Figure 16 is the interaction diagrams according to embodiment 5；
Figure 17 is the interaction diagrams according to embodiment 6；
Figure 18 is the flow chart of another information acquisition method according to embodiments of the present invention；
Figure 19 is the interaction diagrams according to embodiment 7.
Embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 5 is a kind of flow chart of information acquisition method according to embodiments of the present invention, as shown in figure 5, this method includes：
Step S502, base station from home send system broadcast message, wherein, which carries the base station from home The home network identification at place；
Step S504, system broadcast message of the terminal monitoring from the base station from home, obtains house from system broadcast message With the home network identification where base station.
Method more than, base station from home are wide by monitoring by the home network identification where broadcast transmission, terminal The home network identification that message gets the base station from home is broadcast, so that terminal successfully obtains home network identification so that eventually End according to home network identification carry out it is follow-up be treated as possibility, improve system performance.
In practical applications, obtained home network identification can be reported to its current affiliated base station from home by terminal, It can specifically be realized by following process：Terminal receives the adjacent cells for being used to obtain terminal from source base station from home The measurement control message of information；System broadcast message of the terminal monitoring from base station from home, obtains house from system broadcast message With the home network identification where base station, to source base station from home return measurement report message, wherein, measurement report message carries The home network identification of measurement report and/or adjacent cells to adjacent cells.Process more than, when the position of terminal is sent out During changing, the base station from home belonging to terminal is obtained with the home network identification of the adjacent cells of terminal, so that follow-up net Network side may determine that whether the switching cell of selection belongs to same local network with the cell of source base station from home, in this way, network Side can just be determined how with this switch over, how the different business of processing terminal so that switching process more It is smooth, the service quality of higher is provided for terminal.
After source base station from home obtains home network identification, network side can switch over decision operation, and by comparing mesh The home network identification of cell and the home network identification of present access subzone are marked, to determine follow-up handoff procedure.In reality In, above procedure can be realized by two ways, specific as follows：
Mode one, source base station from home determine the Target cell of switching；Source base station from home judges the local network of Target cell Whether mark is consistent with the home network identification of present access subzone, if so, switching is then initiated, otherwise, after discharging locality connection, Initiate switching.
(1) in the case of there is control plane signaling between source base station from home and local access network close, source base station from home is released It is as follows to put locally-attached process：Source base station from home closes to send to local access network to be used to ask the deletion of local access network pass local The carrying releasing request message of connection；Local access network, which closes, deletes locally-attached carrying, sends and deletes to mobile management unit Bearing request message；Mobile management unit deletes locally-attached carrying, and closing transmission deleting bearing response to local access network disappears Breath；Local access network closes the response message (carrying release response message) that carrying releasing request message is returned to source base station from home. Preferably, it is locally-attached carry it is a plurality of in the case of, send one carrying releasing request message, and carry releasing request Message is used to indicate to delete a plurality of carrying at the same time；Alternatively, a plurality of carrying releasing request message is sent, and a plurality of carrying releasing request Each carrying releasing request message in message is respectively used to instruction and deletes a carrying.In addition, those skilled in the art should Work as understanding, carrying release response message is corresponding with carrying releasing request message, it is therefore preferred that carrying release response The quantity of message is consistent with the quantity for carrying releasing request message.
Alternatively, closed in local access network and delete locally-attached carrying, sending deleting bearing to mobile management unit please After seeking message, mobile management unit can send releasing bearing request message to source base station from home and (preferably carry transmission extremely The deactivation carrying request of terminal)；Source base station from home can send releasing bearing request message to terminal and (preferably carry transmission extremely The deactivation carrying request of terminal), source base station from home and terminal discharge locally-attached carrying；Terminal is by source base station from home to shifting Dynamic administrative unit sends releasing bearing response message.
Above procedure will be described in detail in embodiment 1 and embodiment 3.
(2) in the case of between source base station from home and local access network close there is no control plane signaling, source base station from home It is as follows to discharge locally-attached process：Source base station from home is sent to mobile management unit to be used to ask local access network to close deletion originally The carrying releasing request message of ground connection；Mobile management unit closes to send to local access network deletes conversation request message；It is local Access gateway deletes locally-attached carrying, is sent to mobile management unit and deletes conversational response message；Mobile management unit to Source base station from home sends releasing bearing request message (preferably carry to send to the deactivation of terminal and carry request)；Source base station from home Releasing bearing request message (preferably carry to send to the deactivation of terminal and carry request), source base station from home and end are sent to terminal End discharges locally-attached carrying；Terminal sends releasing bearing response message by source base station from home to mobile management unit；Source Base station from home confirms that locality connection has been deleted.Preferably, it is locally-attached carry it is a plurality of in the case of, send one carrying Releasing request message, and carry releasing request message and be used to indicate to delete a plurality of carrying at the same time；Alternatively, send a plurality of carrying release Request message, and each carrying releasing request message in a plurality of carrying releasing request message is respectively used to instruction and deletes one Carrying.Above procedure will be described in detail in embodiment 2 and embodiment 4.
It should be noted that existing switching start flow can be multiplexed by initiating the process of switching, specifically, drilled for a long time In the case of (Long-Term Evolution, referred to as LTE) access, when source base station from home initiates switching, to mobile management Target BS where unit or Target cell sends handover request message；In Universal Mobile Communication System (Universal MobileTelecommunications System, referred to as UMTS) access in the case of, source base station from home initiate switching when, RELOCATION REQUEST message is sent to mobile management unit or the RELOCATION REQUEST message of enhancing is sent to target BS.
Mode two, source base station from home determine the Target cell of switching；Source base station from home is sent to mobile management unit to be switched Request message, wherein, handover request message carries the home network identification of Target cell；Mobile management unit judges that target is small Whether whether the home network identification in area and the home network identification of present access subzone are consistent and allow to establish locality connection, If the home network identification of Target cell is consistent with the home network identification of present access subzone and allows to establish locality connection, Switching is continued to execute, otherwise, after discharging locality connection, continues to execute switching.
(1) in the case of there is control plane signaling between source base station from home and local access network close, mobile management unit It is as follows to discharge locally-attached process：Mobile management unit is sent to source base station from home to be used to indicate that source base station from home is deleted locally The handover request failed message of connection；Source base station from home closes to send to local access network to be used to ask local access network pass to delete this The carrying releasing request message of ground connection；Local access network, which closes, deletes locally-attached carrying, sends and deletes to mobile management unit Except bearing request message；Mobile management unit deletes locally-attached carrying, is closed to local access network and sends deleting bearing response Message；Local access network is closed (to be carried release response to disappear to the response message of source base station from home return carrying releasing request message Breath).After local access network closes and returns to the response message of carrying releasing request message to source base station from home, source base station from home can To send handover request message to mobile management unit again, to recover to initiate the state of switching.Preferably, locally-attached Carry it is a plurality of in the case of, send a carrying releasing request message, and carry releasing request message and be used to indicate to delete at the same time Except a plurality of carrying；Alternatively, a plurality of carrying releasing request message is sent, and each carrying in a plurality of carrying releasing request message Releasing request message is respectively used to instruction and deletes a carrying.In addition, it will be appreciated by those skilled in the art that carrying release response Message is corresponding with carrying releasing request message, it is therefore preferred that the quantity of carrying release response message is discharged with carrying The quantity of request message is consistent.
Alternatively, closed in local access network and delete locally-attached carrying, sending deleting bearing to mobile management unit please After seeking message, mobile management unit can send releasing bearing request message to source base station from home and (preferably carry transmission Deactivation to terminal carries request)；Source base station from home sends releasing bearing request message to terminal and (preferably carries transmission extremely The deactivation carrying request of terminal), source base station from home and terminal discharge locally-attached carrying；Terminal is by source base station from home to shifting Dynamic administrative unit sends releasing bearing response message.
Above procedure will be described in detail in embodiment 6.
(2) in the case of between source base station from home and local access network close there is no control plane signaling, mobile management list It is as follows that member discharges locally-attached process：Mobile management unit closes to send to local access network deletes conversation request message；It is local Access gateway deletes locally-attached carrying, is sent to mobile management unit and deletes conversational response message；Mobile management unit to Source base station from home sends releasing bearing request message (preferably carry to send to the deactivation of terminal and carry request)；Source family expenses base Stand and send releasing bearing request message (preferably carry to send to the deactivation of terminal and carry request), source base station from home to terminal Locally-attached carrying is discharged with terminal；Terminal sends releasing bearing response to mobile management unit by source base station from home and disappears Breath.Above procedure will be described in detail in embodiment 5.
In addition, during source base station from home determines the Target cell of switching, in order to keep terminal to continue as much as possible Local service is carried out, can be according to the home network identification of the adjacent cells of acquisition for eventually when base station from home determines to need switching End selects suitable Target cell, for example, source base station from home can be with prioritizing selection home network identification and present access subzone The consistent cell of home network identification is as Target cell.If the home network identification of adjacent cells, with base station from home not Together, then base station from home is needed after discharging locality connection, is initiating to switch.It is of course also possible to carry out target according to other strategies The selection of cell, the present embodiment are not construed as limiting this.
In processing procedure more than, in a network there are home base-station gateway in the case of, source base station from home and movement Message between administrative unit is forwarded to by home base-station gateway.If terminal is from Universal Mobile Communication System (Universal MobileTelecommunications System, referred to as UMTS)/GSM EDGE Radio Access Network (GSM/EDGE Radio AccessNetwork, referred to as GERAN) access, and mobile management unit is Gn/Gp service generals Grouping wireless business supporting node (Serving General packet radio service supportnode, referred to as SGSN), then the message between mobile management unit and local access network close is deletion PDP Context request/response；If terminal Accessed from LTE, mobile management unit MME, or if terminal is accessed from UTMS/GERAN, mobile management unit is S4SGSN, the then message between mobile management unit and local access network close are forwarded by gateway, forwarded in gateway In the case of message, gateway deletes locally-attached carrying.
Fig. 6 is the structure diagram of base station from home according to embodiments of the present invention, which includes：Broadcast module 62, For sending system broadcast message, wherein, system broadcast message carries the home network identification where base station from home.By with On broadcast module 62, support in local network the base station from home that move can broadcast local network identify so that terminal can be with The home network identification where the base station from home is obtained by way of listening broadcast so that terminal according to home network identification into Row it is follow-up be treated as possibility, improve system performance.
Fig. 7 is the preferred structure block diagram one of base station from home according to embodiments of the present invention, which can also include： Initiation module 72 is measured, the measurement control message of the information for sending the adjacent cells for being used to obtain terminal to terminal；Report Receiving module 74, the measurement report message returned for receiving terminal, wherein, measurement report message is carried to adjacent cells Measurement report and/or the home network identification of adjacent cells.Structure more than, base station from home is by measuring control message i.e. Adjacent cells relevant information can be obtained to terminal, network side can judge the small of the switching cell of selection and source base station from home accordingly Whether area belongs to same local network, in this way, network side just can be determined how with this switch over, how processing terminal Different business, so that the process of switching is more smooth, the service quality of higher is provided for terminal.
Fig. 8 is the preferred structure block diagram two of base station from home according to embodiments of the present invention, which can also include： Target cell determining module 82, for determining the Target cell of switching；Judgment module 84, for judging the local network of Target cell Whether network mark is consistent with the home network identification of present access subzone, if so, then triggering switching initiation module 86, otherwise, is touched Send out Connection Release module 88；Switch initiation module 86, for initiating to switch；Connection Release module 88, for discharging locality connection Afterwards, triggering switching initiation module 86.The structure is used for realization the mode one mentioned in above method.
Fig. 9 is the preferred structure block diagram three of base station from home according to embodiments of the present invention, which can also include： Target cell determining module 92, for determining the Target cell of switching；Switch initiation module 94, for being sent out to mobile management unit Handover request message is sent, wherein, handover request message carries the home network identification of Target cell.The structure be used for realization with The mode two mentioned in upper method.
Figure 10 is the structure diagram of terminal according to embodiments of the present invention, which includes：Module 101 is monitored, for supervising Sound the system broadcast message from base station from home, wherein, system broadcast message carries the local network mark where base station from home Know；Acquisition module 102, for the home network identification where the acquisition base station from home from system broadcast message.More than Structure, terminal gets the home network identification of the base station from home by listening broadcast message, so that terminal is according to local Network identity carry out it is follow-up be treated as possibility, improve system performance.
Figure 11 is the preferred structure block diagram of terminal according to embodiments of the present invention, which can also include：Receiving module 112, for receiving the measurement control message for being used to obtain the information of the adjacent cells of terminal from source base station from home；Report mould Block 114, for source base station from home return measurement report message, wherein, measurement report message carries the survey to adjacent cells Amount report and/or the home network identification of adjacent cells.Structure more than, terminal includes in measurement report message closes on The home network identification information of cell, network side can judge accordingly the switching cell of selection and source base station from home cell whether Belong to same local network, in this way, network side can just be determined how with this switch over, how processing terminal it is different Business, so that the process of switching is more smooth, the service quality of higher is provided for terminal.
The embodiment of the present invention additionally provides a kind of Information Acquisition System, including above-described base station from home and terminal, and And it can be used for realizing the method described in above example.
Embodiment described below 1-6, combines the technical solution of above-mentioned multiple preferred embodiments.
Embodiment 1
Figure 12 is according to the interaction diagrams of embodiment 1, which is suitable for user from the local that source base station from home is established Connection, subsequently due to position, there occurs be moved to other base stations or base station from home.
The present embodiment is suitable for terminal and accesses EPC networks or GPRS network from GERAN/UTRAN/EUTRAN.If UE Accessed from GERAN/UTRAN, base station from home HNB, base station is BSS or NodeB/RNC, mobile management unit SGSN.Such as Fruit UE is accessed from EUTRAN, base station from home HeNB, base station eNB, mobile management unit MME.There may be family in network With base-station gateway, if there is home base-station gateway, then the message between all base station from home and mobile management unit all needs To pass through home base-station gateway.The further message between base station from home and local gateway, can pass through home base-station gateway Home base-station gateway can not also be passed through.Scene for forwarding message by home base-station gateway, home base-station gateway is to warp The message crossed carries out transparent transmission, and the process of transparent transmission is unrelated to the invention, does not repeat here.
The present embodiment, which is suitable for base station from home and local gateway, the situation of control plane signaling.
If UMTS/GERAN is accessed, and mobile management unit is Gn/Gp SGSN, then does not have SGW in this flow, All message by SGW all need not move through SGW, but mobile management unit is transmitted directly to local gateway.SGSN and sheet Message between ground gateway is deletion PDP Context request/response.
Step 1201, base station from home sends measurement control message to terminal, for obtaining the measurement of close region to terminal Information.
Step 1202, UE measures adjacent cells relevant parameter according to the instruction of measurement control message.UE is closed on by monitoring Cell broadcast information, obtains the home network identification of adjacent cells.
Step 1203, the measurement report of acquisition is reported to base station from home by UE by measurement report message.
Step 1204, the information in measurement report chooses suitable Target cell.Optionally, base station from home can root According to the home network identification of Target cell, the Target cell of available same local network is selected as far as possible.Optionally, base station from home According to other principle selection target cells.
Step 1205, base station from home judges whether the home network identification of selected Target cell is consistent with oneself. If Target cell is base station or does not support locally-attached base station from home, may not have home network identification, this feelings Condition is considered as inconsistent with the home network identification of oneself.
If it is judged as unanimously performing A correlation steps in step 1205.
Step 1206a, source base station from home send handover request message to source mobile management unit.
Step 1207a, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If it is judged as inconsistent execution B correlation steps in step 1205
Step 1206b, source base station from home send deleting bearing request to local gateway.The request is used to ask local gateway Locality connection is deleted, but the title of this message is not limited to this.If locality connection has multiple carryings, then the request needs These carryings can all be deleted.Source base station from home can send multiple deleting bearing requests at this time, or in a piece of news Delete these carryings at the same time.Local load identification is carried in the request, either other can be identified for that the locality connection or carrying Identification information, such as tunnel end mark.
Step 1207b, local gateway deletes locally-attached relevant bearer according to the request of source base station from home, and passes through SGW sends deleting bearing request to mobile management unit, wherein carrying locality connection default bearing mark.
Step 1208b, mobile management unit send releasing bearing request message to base station from home, and end is sent to wherein including The deactivation carrying request at end.Base station from home sends releasing bearing request to terminal, wherein including the deactivation carrying for being sent to terminal Request.Base station from home and the carrying of terminal releasing request instruction.
Step 1209b, terminal send deactivation carrying response by base station from home to mobile management unit.
Step 1210b, mobile management unit and SGW delete locally-attached relevant bearer.Mobile management unit passes through SGW Deleting bearing response is sent to local gateway.
Step 1211b, local gateway send deleting bearing response to source base station from home.If locality connection has multiple hold Carry, then local gateway can send multiple deleting bearing responses, or delete these carryings at the same time in a piece of news.
Step 1212b, after source base station from home confirms that locality connection is deleted, sends handover request to source mobile management unit and disappears Breath.
Step 1213b, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
Embodiment 2
Figure 13 is according to the interaction diagrams of embodiment 2, which is suitable for user from the local that source base station from home is established Connection, subsequently due to position, there occurs be moved to other base stations or base station from home.
The present embodiment is suitable for terminal and accesses EPC networks or GPRS network from GERAN/UTRAN/EUTRAN.If UE Accessed from GERAN/UTRAN, base station from home HNB, base station is BSS or NodeB/RNC, mobile management unit SGSN.Such as Fruit UE is accessed from EUTRAN, base station from home HeNB, base station eNB, mobile management unit MME.There may be family in network With base-station gateway, if there is home base-station gateway, then the message between all base station from home and mobile management unit all needs To pass through home base-station gateway.The further message between base station from home and local gateway, can pass through home base-station gateway Home base-station gateway can not also be passed through.Scene for forwarding message by home base-station gateway, home base-station gateway is to warp The message crossed carries out transparent transmission, and the process of transparent transmission is unrelated to the invention, does not repeat here.
The present embodiment is suitable for the situation that base station from home does not control plane signaling with local gateway.
If UMTS/GERAN is accessed, and mobile management unit is Gn/Gp SGSN, then does not have SGW in this flow, All message by SGW all need not move through SGW, but mobile management unit is transmitted directly to local gateway.SGSN and sheet Message between ground gateway is deletion PDP Context request/response.
Step 1301, base station from home sends measurement control message to terminal, for obtaining the measurement of close region to terminal Information.
Step 1302, UE measures adjacent cells relevant parameter according to the instruction of measurement control message.UE is closed on by monitoring Cell broadcast information, obtains the home network identification of adjacent cells.
Step 1303, the measurement report of acquisition is reported to base station from home by UE by measurement report message.
Step 1304, the information in measurement report chooses suitable Target cell.Optionally, base station from home can root According to the home network identification of Target cell, the Target cell of available same local network is selected as far as possible.Optionally, base station from home According to other principle selection target cells.
Step 1305, base station from home judges whether the home network identification of selected Target cell is consistent with oneself. If Target cell is base station or does not support locally-attached base station from home, may not have home network identification, this feelings Condition is considered as inconsistent with the home network identification of oneself.
If it is judged as unanimously performing A correlation steps in step 1305.
Step 1306a, source base station from home send handover request message to source mobile management unit.
Step 1307a, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If it is judged as inconsistent execution B correlation steps in step 1305.
Step 1306b, source base station from home send deleting bearing request to source mobile management, which is used to ask local network Close and delete locality connection, but the title of this message is not limited to this.If locality connection has multiple carryings, then the request needs These carryings can all be deleted.Source base station from home can send multiple deleting bearing requests at this time, or in a piece of news In at the same time delete these carryings.Local load identification is carried in the request, either other can be identified for that the locality connection or hold The identification information of load, such as tunnel end mark.
Step 1307b, mobile management unit are sent to local gateway by SGW and delete session request, wherein carrying local Connect default bearing/main PDP Context mark.
Step 1308b, local gateway are deleted locally-attached relevant bearer and are all deleted, and by SGW to mobile management list Member, which is sent, deletes conversational response.
Step 1309b, mobile management unit send releasing bearing request message to base station from home, and end is sent to wherein including The deactivation carrying request at end.Base station from home sends releasing bearing request to terminal, wherein including the deactivation carrying for being sent to terminal Request.Base station from home and the carrying of terminal releasing request instruction.
Step 1310b, terminal send deactivation carrying response by base station from home to mobile management unit.
Step 1311b, after source base station from home confirms that locality connection is deleted, sends handover request to source mobile management unit and disappears Breath.
Step 1312b, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
Embodiment 3
Figure 14 is according to the interaction diagrams of embodiment 3, which is suitable for user from the local that source base station from home is established Connection, subsequently due to position, there occurs be moved to other base stations or base station from home.
The present embodiment is suitable for terminal and accesses EPC networks or GPRS network from GERAN/UTRAN/EUTRAN.If UE Accessed from GERAN/UTRAN, base station from home HNB, base station is BSS or NodeB/RNC, mobile management unit SGSN.Such as Fruit UE is accessed from EUTRAN, base station from home HeNB, base station eNB, mobile management unit MME.There may be family in network With base-station gateway, if there is home base-station gateway, then the message between all base station from home and mobile management unit all needs To pass through home base-station gateway.The further message between base station from home and local gateway, can pass through home base-station gateway Home base-station gateway can not also be passed through.Scene for forwarding message by home base-station gateway, home base-station gateway is to warp The message crossed carries out transparent transmission, and the process of transparent transmission is unrelated to the invention, does not repeat here.
The present embodiment, which is suitable for base station from home and local gateway, the situation of control plane signaling.
If UMTS/GERAN is accessed, and mobile management unit is Gn/Gp SGSN, then does not have SGW in this flow, All message by SGW all need not move through SGW, but mobile management unit is transmitted directly to local gateway.SGSN and sheet Message between ground gateway is deletion PDP Context request/response.
Step 1401, base station from home sends measurement control message to terminal, for obtaining the measurement of close region to terminal Information.
Step 1402, UE measures adjacent cells relevant parameter according to the instruction of measurement control message.UE is closed on by monitoring Cell broadcast information, obtains the home network identification of adjacent cells.
Step 1403, the measurement report of acquisition is reported to base station from home by UE by measurement report message.
Step 1404, the information in measurement report chooses suitable Target cell.Optionally, base station from home can root According to the home network identification of Target cell, the Target cell of available same local network is selected as far as possible.Optionally, base station from home According to other principle selection target cells.
Step 1405, base station from home judges whether the home network identification of selected Target cell is consistent with oneself. If Target cell is base station or does not support locally-attached base station from home, may not have home network identification, this feelings Condition is considered as inconsistent with the home network identification of oneself.
If it is judged as unanimously performing A correlation steps in step 1405.
Step 1406a, source base station from home send handover request message to target home base station.
Step 1407a, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If it is judged as inconsistent execution B correlation steps in step 1405
Step 1406b, source base station from home send deleting bearing request to local gateway.The request is used to ask local gateway Locality connection is deleted, but the title of this message is not limited to this.If locality connection has multiple carryings, then the request needs These carryings can all be deleted.Source base station from home can send multiple deleting bearing requests at this time, or in a piece of news Delete these carryings at the same time.Local load identification is carried in the request, either other can be identified for that the locality connection or carrying Identification information, such as tunnel end mark.
Step 1407b, local gateway deletes locally-attached relevant bearer according to the request of source base station from home, and passes through SGW sends deleting bearing request to mobile management unit, wherein carrying locality connection default bearing mark.
Step 1408b, mobile management unit send releasing bearing request message to base station from home, and end is sent to wherein including The deactivation carrying request at end.Base station from home sends releasing bearing request to terminal, wherein including the deactivation carrying for being sent to terminal Request.Base station from home and the carrying of terminal releasing request instruction.
Step 1409b, terminal send deactivation carrying response by base station from home to mobile management unit.
Step 1410b, mobile management unit and SGW delete locally-attached relevant bearer.Mobile management unit passes through SGW Deleting bearing response is sent to local gateway.
Step 1411b, local gateway send deleting bearing response to source base station from home.If locality connection has multiple hold Carry, then local gateway can send multiple deleting bearing responses, or delete these carryings at the same time in a piece of news.
Step 1412b, after source base station from home confirms that locality connection is deleted, sends handover request to target home base station and disappears Breath.
Step 1413b, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If UMTS is accessed, then the message in step 1406a and 812b is the RELOCATION REQUEST message of enhancing.
Embodiment 4
Figure 15 is according to the interaction diagrams of embodiment 4, which is suitable for user from the local that source base station from home is established Connection, subsequently due to position, there occurs be moved to other base stations or base station from home.
The present embodiment is suitable for terminal and accesses EPC networks or GPRS network from GERAN/UTRAN/EUTRAN.If UE Accessed from GERAN/UTRAN, base station from home HNB, base station is BSS or NodeB/RNC, mobile management unit SGSN.Such as Fruit UE is accessed from EUTRAN, base station from home HeNB, base station eNB, mobile management unit MME.There may be family in network With base-station gateway, if there is home base-station gateway, then the message between all base station from home and mobile management unit all needs To pass through home base-station gateway.The further message between base station from home and local gateway, can pass through home base-station gateway Home base-station gateway can not also be passed through.Scene for forwarding message by home base-station gateway, home base-station gateway is to warp The message crossed carries out transparent transmission, and the process of transparent transmission is unrelated to the invention, does not repeat here.
The present embodiment is suitable for the situation that base station from home does not control plane signaling with local gateway.
If UMTS/GERAN is accessed, and mobile management unit is Gn/Gp SGSN, then does not have SGW in this flow, All message by SGW all need not move through SGW, but mobile management unit is transmitted directly to local gateway.SGSN and sheet Message between ground gateway is deletion PDP Context request/response.
Step 1501, base station from home sends measurement control message to terminal, for obtaining the measurement of close region to terminal Information.
Step 1502, UE measures adjacent cells relevant parameter according to the instruction of measurement control message.UE is closed on by monitoring Cell broadcast information, obtains the home network identification of adjacent cells.
Step 1503, the measurement report of acquisition is reported to base station from home by UE by measurement report message.
Step 1504, the information in measurement report chooses suitable Target cell.Optionally, base station from home can root According to the home network identification of Target cell, the Target cell of available same local network is selected as far as possible.Optionally, base station from home According to other principle selection target cells.
Step 1505, base station from home judges whether the home network identification of selected Target cell is consistent with oneself. If Target cell is base station or does not support locally-attached base station from home, may not have home network identification, this feelings Condition is considered as inconsistent with the home network identification of oneself.
If it is judged as unanimously performing A correlation steps in step 1505.
Step 1506a, source base station from home send the RELOCATION REQUEST message of enhancing to target home base station.
Step 1507a, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If it is judged as inconsistent execution B correlation steps in step 1505.
Step 1506b, source base station from home send deleting bearing request to source mobile management, which is used to ask local network Close and delete locality connection, but the title of this message is not limited to this.If locality connection has multiple carryings, then the request needs These carryings can all be deleted.Source base station from home can send multiple deleting bearing requests at this time, or in a piece of news In at the same time delete these carryings.Local load identification is carried in the request, either other can be identified for that the locality connection or hold The identification information of load, such as tunnel end mark.
Step 1507b, mobile management unit are sent to local gateway by SGW and delete session request, wherein carrying local Connect default bearing/main PDP Context mark.
Step 1508b, local gateway are deleted locally-attached relevant bearer and are all deleted, and by SGW to mobile management list Member, which is sent, deletes conversational response.
Step 1509b, mobile management unit send releasing bearing request message to base station from home, and end is sent to wherein including The deactivation carrying request at end.Base station from home sends releasing bearing request to terminal, wherein including the deactivation carrying for being sent to terminal Request.Base station from home and the carrying of terminal releasing request instruction.
Step 1510b, terminal send deactivation carrying response by base station from home to mobile management unit.
Step 1511b, after source base station from home confirms that locality connection is deleted, resetting for enhancing is sent to target home base station Position request message.
Step 1512b, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If LTE is accessed, then the message in step 1506a and 1512b is handover request message.
Embodiment 5
Figure 16 is according to the interaction diagrams of embodiment 5, which is suitable for user from the local that source base station from home is established Connection, subsequently due to position, there occurs be moved to other base stations or base station from home.
The present embodiment is suitable for terminal and accesses EPC networks or GPRS network from GERAN/UTRAN/EUTRAN.If UE Accessed from GERAN/UTRAN, base station from home HNB, base station is BSS or NodeB/RNC, mobile management unit SGSN.Such as Fruit UE is accessed from EUTRAN, base station from home HeNB, base station eNB, mobile management unit MME.There may be family in network With base-station gateway, if there is home base-station gateway, then the message between all base station from home and mobile management unit all needs To pass through home base-station gateway.The further message between base station from home and local gateway, can pass through home base-station gateway Home base-station gateway can not also be passed through.Scene for forwarding message by home base-station gateway, home base-station gateway is to warp The message crossed carries out transparent transmission, and the process of transparent transmission is unrelated to the invention, does not repeat here.
The present embodiment is suitable for the situation that base station from home does not control plane signaling with local gateway.
If UMTS/GERAN is accessed, and mobile management unit is Gn/Gp SGSN, then does not have SGW in this flow, All message by SGW all need not move through SGW, but mobile management unit is transmitted directly to local gateway.SGSN and sheet Message between ground gateway is deletion PDP Context request/response.
Step 1601, base station from home sends measurement control message to terminal, for obtaining the measurement of close region to terminal Information.
Step 1602, UE measures adjacent cells relevant parameter according to the instruction of measurement control message.UE is closed on by monitoring Cell broadcast information, obtains the home network identification of adjacent cells.
Step 1603, the measurement report of acquisition is reported to base station from home by UE by measurement report message.
Step 1604, the information in measurement report chooses suitable Target cell.Optionally, base station from home can root According to the home network identification of Target cell, the Target cell of available same local network is selected as far as possible.Optionally, base station from home According to other principle selection target cells.
Step 1605, source base station from home sends handover request message to source mobile management unit, wherein carrying Target cell Home network identification.
Step 1606, whether source mobile management unit judges the home network identification of selected Target cell with currently connecing Enter cell locally to identify whether unanimously.If Target cell is base station or does not support locally-attached base station from home, may not With home network identification, such case is considered as inconsistent.In addition, source mobile management unit is also needed to according to signing Data judge whether Target cell allows to establish locality connection, and determination methods are that the prior art does not repeat here.
If it is judged as consistent in step 1606 and allows to establish locality connection execution A correlation steps.
Step 1607a, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If being judged as inconsistent in step 1606, or do not allow to establish locality connection and perform B correlation steps.
Step 1607b, mobile management unit are sent to local gateway by SGW and delete session request, wherein carrying local Connect default bearing/main PDP Context mark.
Step 1608b, local gateway are deleted locally-attached relevant bearer and are all deleted, and by SGW to mobile management list Member, which is sent, deletes conversational response.
Step 1609b, mobile management unit send releasing bearing request message to base station from home, and end is sent to wherein including The deactivation carrying request at end.Base station from home sends releasing bearing request to terminal, wherein including the deactivation carrying for being sent to terminal Request.Base station from home and the carrying of terminal releasing request instruction.
Step 1610b, terminal send deactivation carrying response by base station from home to mobile management unit.
Step 1611b, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
Embodiment 6
Figure 17 is according to the interaction diagrams of embodiment 6, which is suitable for user from the local that source base station from home is established Connection, subsequently due to position, there occurs be moved to other base stations or base station from home.
The present embodiment is suitable for terminal and accesses EPC networks or GPRS network from GERAN/UTRAN/EUTRAN.If UE Accessed from GERAN/UTRAN, base station from home HNB, base station is BSS or NodeB/RNC, mobile management unit SGSN.Such as Fruit UE is accessed from EUTRAN, base station from home HeNB, base station eNB, mobile management unit MME.There may be family in network With base-station gateway, if there is home base-station gateway, then the message between all base station from home and mobile management unit all needs To pass through home base-station gateway.The further message between base station from home and local gateway, can pass through home base-station gateway Home base-station gateway can not also be passed through.Scene for forwarding message by home base-station gateway, home base-station gateway is to warp The message crossed carries out transparent transmission, and the process of transparent transmission is unrelated to the invention, does not repeat here.
The present embodiment, which is suitable for base station from home and local gateway, the situation of control plane signaling.
If UMTS/GERAN is accessed, and mobile management unit is Gn/Gp SGSN, then does not have SGW in this flow, All message by SGW all need not move through SGW, but mobile management unit is transmitted directly to local gateway.SGSN and sheet Message between ground gateway is deletion PDP Context request/response.
Step 1701, base station from home sends measurement control message to terminal, for obtaining the measurement of close region to terminal Information.
Step 1702, UE measures adjacent cells relevant parameter according to the instruction of measurement control message.UE is closed on by monitoring Cell broadcast information, obtains the home network identification of adjacent cells.
Step 1703, the measurement report of acquisition is reported to base station from home by UE by measurement report message.
Step 1704, the information in measurement report chooses suitable Target cell.Optionally, base station from home can root According to the home network identification of Target cell, the Target cell of available same local network is selected as far as possible.Optionally, base station from home According to other principle selection target cells.
Step 1705, source base station from home sends handover request message to source mobile management unit, wherein carrying Target cell Home network identification.
Step 1706, whether source mobile management unit judges the home network identification of selected Target cell with currently connecing Enter cell locally to identify whether unanimously.If Target cell is base station or does not support locally-attached base station from home, may not With home network identification, such case is considered as inconsistent.In addition, source mobile management unit is also needed to according to signing Data judge whether Target cell allows to establish locality connection, and determination methods are that the prior art does not repeat here.
If it is judged as consistent in step 1706 and allows to establish locality connection execution A correlation steps.
Step 1707a, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
If being judged as inconsistent in step 1706, or do not allow to establish locality connection and perform B correlation steps.
Step 1707b, source mobile management unit return to handover request failed message to source base station from home, indicate source family expenses base Stand and delete locality connection.
Step 1708b, source base station from home send deleting bearing request to local gateway.The request is used to ask local gateway Locality connection is deleted, but the title of this message is not limited to this.If locality connection has multiple carryings, then the request needs These carryings can all be deleted.Source base station from home can send multiple deleting bearing requests at this time, or in a piece of news Delete these carryings at the same time.Local load identification is carried in the request, either other can be identified for that the locality connection or carrying Identification information, such as tunnel end mark.
Step 1709b, local gateway deletes locally-attached relevant bearer according to the request of source base station from home, and passes through SGW sends deleting bearing request to mobile management unit, wherein carrying locality connection default bearing mark.
Step 1710b, mobile management unit send releasing bearing request message to base station from home, and end is sent to wherein including The deactivation carrying request at end.Base station from home sends releasing bearing request to terminal, wherein including the deactivation carrying for being sent to terminal Request.Base station from home and the carrying of terminal releasing request instruction.
Step 1711b, terminal send deactivation carrying response by base station from home to mobile management unit.
Step 1712b, mobile management unit and SGW delete locally-attached relevant bearer.Mobile management unit passes through SGW Deleting bearing response is sent to local gateway.
Step 1713b, local gateway send deleting bearing response to source base station from home.If locality connection has multiple hold Carry, then local gateway can send multiple deleting bearing responses, or delete these carryings at the same time in a piece of news.
Step 1714b, after source base station from home confirms that locality connection is deleted, sends handover request to source mobile management unit and disappears Breath.
Step 1715b, performs the subsequent process of switching, and subsequent process similarly to the prior art, does not repeat here.
In above-described embodiment 1-6, mobile management unit notify to base station from home and/or the deleting bearing of terminal request be can Choosing.Because due to being carrying out handoff procedure, being delivered to the message of terminal may fail.This process is people in the art Well known to member, do not repeat.
It should be noted that in embodiment 1-6, the side that source base station from home obtains Target cell home network identification is described Formula, and how the mark is used, but the mode of the identification information actually obtained and effect are not limited thereto.
The embodiment of the present invention additionally provides a kind of information acquisition method, and Figure 18 is another information according to embodiments of the present invention The flow chart of acquisition methods, this method include：
Step S1802, local access network close the rear end network element closed to local access network and send session establishment request message, its In, session establishment request message carries local access network and closes affiliated home network identification；
Step S1804, rear end network element receive session establishment request message, local network are obtained from session establishment request message Network identifies.
By above method, local access network is closed gives affiliated home network identification to rear end network element by message transmission, So as to ensure that rear end network element can obtain home network identification, easy to follow-up processing, after solving local access network pass The problem of end network element can not obtain home network identification so as to influence subsequent processes, reduce system performance so that according to this Ground network identity carry out it is follow-up be treated as possibility, improve system performance.
In practical applications, the species of the rear end network element of the above can determine according to the actual requirements, for example, rear end network element Can be "Policy and Charging Rules Function entity or charging gateway.In rear end, network element is the feelings of "Policy and Charging Rules Function entity Under condition, after home network identification is obtained from session establishment request message, "Policy and Charging Rules Function entity can root Generate strategy according to home network identification and/or charging regulation；In the case where rear end network element is charging gateway, from session establishment After obtaining home network identification in request message, charging gateway can determine currently performed expense according to home network identification Rate.After citing more than can be seen that rear end network element acquisition home network identification, it can be carried out according to home network identification Corresponding processing, so as to improve the performance of system.
Preferably, in PDN connections foundation/activation PDP Context flow, local access network closes what is closed to local access network Rear end network element sends session establishment request message.
The embodiment of the present invention additionally provides a kind of Information Acquisition System, which can include：Local access network closes, and is used for Session establishment request message is sent to the rear end network element that local access network closes, wherein, session establishment request message carries local Home network identification belonging to access gateway；Rear end network element, for receiving session establishment request message, disappears from session establishment request Home network identification is obtained in breath.
Wherein, local access network, which closes, is used in PDN connections foundation/activation PDP Context flow, is closed to local access network Rear end network element send session establishment request message.
Embodiment described below 7, combines the technical solution of above-mentioned multiple preferred embodiments.
Embodiment 7
Figure 19 is according to the interaction diagrams of embodiment 7, which is suitable for user and passes through PDN connections or activation PDP Context flow, establishes locally-attached process.
The present embodiment is suitable for terminal and accesses EPC networks or GPRS network from GERAN/UTRAN/EUTRAN.If UE Accessed from GERAN/UTRAN, base station from home HNB, base station is BSS or NodeB/RNC, mobile management unit SGSN.Such as Fruit UE is accessed from EUTRAN, base station from home HeNB, base station eNB, mobile management unit MME.There may be family in network With base-station gateway, if there is home base-station gateway, then the message between all base station from home and mobile management unit all needs To pass through home base-station gateway.The further message between base station from home and local gateway, can pass through home base-station gateway Home base-station gateway can not also be passed through.Scene for forwarding message by home base-station gateway, home base-station gateway is to warp The message crossed carries out transparent transmission, and the process of transparent transmission is unrelated to the invention, does not repeat here.
The present embodiment, which is suitable for base station from home and local gateway, the situation of control plane signaling.
If UMTS/GERAN is accessed, and mobile management unit is Gn/Gp SGSN, then does not have SGW in this flow, All message by SGW all need not move through SGW, but mobile management unit is transmitted directly to local gateway.SGSN and sheet Message between ground gateway is establishment PDP Context request/response.
Step 1901~1902, terminal send PDN connection requests/activation PDP Context and ask, carried terminal in the message The APN wanted to set up.This non-access layer information is included in the wireless connection foundation request that terminal issues base station from home, is passed through Base station from home is sent to mobile management unit.
Accessed for GERAN/UTRAN, above-mentioned request is activation PDP Context request.Accessed for EUTRAN, it is above-mentioned to ask Ask as PDN connection requests
Step 1903~1904, mobile management unit is according to the APN provided in message, or positional information, or local network Close information and select suitable local gateway address for it.Mobile management unit is sent to local gateway by gateway and creates meeting Words request, wherein carrying the parameters such as UE marks, PDP types, QoS information, charge information, APN, the positional information of terminal.
Step 1905~1906, local gateway rear end network element sends the request of IPCAN session establishments, wherein carrying local network Home network identification belonging to closing.Wherein rear end network element can be PCRF (Policy and Charging Rule Function, "Policy and Charging Rules Function entity), or charging gateway.PCRF receives home network identification, may basis The difference of home network identification formulates different strategy or charging regulation.Charging gateway may be held according to home network identification The different rate of row.
Step 1907, the remaining flow of PDN connections foundation/activation PDP Context is performed.
It should be noted that in embodiment 7, describe rear end network element and obtain the local access network pass local network mark The mode of knowledge, and how the mark is used, but the mode of the identification information actually obtained and effect are not limited to This.
It can be seen from the above description that scheme provided in an embodiment of the present invention solves terminal or local access network The problem of rear end network element of pass can not obtain home network identification so as to influence subsequent processes, reduce system performance, terminal The rear end network element closed with local access network can obtain home network identification, so that being carried out according to home network identification follow-up Be treated as possibility, improve system performance.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, so as to be stored in Performed in storage device by computing device, they are either fabricated to each integrated circuit modules respectively or by them Multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention be not restricted to it is any specific hard Part and software combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (28)

  1. A kind of 1. information acquisition method, it is characterised in that including：
    Base station from home sends system broadcast message, wherein, the system broadcast message carries the sheet where the base station from home Ground network identity；
    The system broadcast message of the terminal monitoring from the base station from home, obtains the family from the system broadcast message With the home network identification where base station；
    Wherein, it is locally-attached carry it is a plurality of in the case of, send one carrying releasing request message, and it is described carrying release Request message is put to be used to indicate to delete a plurality of carrying at the same time；Alternatively, a plurality of carrying releasing request message is sent, and it is more Carrying releasing request message described in each in releasing request message is carried described in bar and is respectively used to one carrying of instruction deletion.
  2. 2. according to the method described in claim 1, it is characterized in that,
    The method further includes：The terminal receives the letter for being used to obtain the adjacent cells of the terminal from source base station from home The measurement control message of breath；
    In the system broadcast message of the terminal monitoring from the base station from home, obtained from the system broadcast message described in After the home network identification where base station from home, the method further includes：The terminal is returned to the source base station from home Measurement report message is returned, wherein, the measurement report message is carried to the measurement reports of the adjacent cells and/or described faced The home network identification of nearly cell.
  3. 3. according to the method described in claim 2, it is characterized in that, carry the adjacent cells in the measurement report message Home network identification in the case of, in the terminal to after the source base station from home return measurement report message, further include：
    The source base station from home determines the Target cell of switching；
    The source base station from home judges the home network identification of the Target cell and the local network of present access subzone Identify whether unanimously, if so, then initiating switching, otherwise, after discharging locality connection, initiate to switch.
  4. 4. according to the method described in claim 3, it is characterized in that, deposited between the source base station from home and local access network close In the case where controlling plane signaling, the source base station from home release locality connection includes：
    The source base station from home closes to send to the local access network to be used to ask the local access network to close the deletion local The carrying releasing request message of connection；
    The local access network, which closes, deletes locally-attached carrying, and sending deleting bearing request to mobile management unit disappears Breath；
    The mobile management unit deletes locally-attached carrying, is closed to the local access network and sends deleting bearing response Message；
    The local access network closes to the source base station from home and returns to carrying release response message.
  5. 5. according to the method described in claim 4, it is characterized in that, deleted in local access network pass described locally-attached Carrying, after sending deleting bearing request message to mobile management unit, further includes：
    The mobile management unit sends releasing bearing request message to the source base station from home；
    The source base station from home sends releasing bearing request message, the source base station from home and terminal release to the terminal Locally-attached carrying；
    The terminal sends releasing bearing response message by the source base station from home to the mobile management unit.
  6. 6. according to the method described in claim 3, it is characterized in that, between the source base station from home and local access network close not In the case of in the presence of control plane signaling, the source base station from home release locality connection includes：
    The source base station from home is sent to mobile management unit to be used to ask the local access network to close the deletion locality connection Carrying releasing request message；
    The mobile management unit closes to send to the local access network deletes conversation request message；
    The local access network, which closes, deletes locally-attached carrying, is sent to the mobile management unit and deletes conversational response Message；
    The mobile management unit sends releasing bearing request message to the source base station from home；
    The source base station from home sends releasing bearing request message, the source base station from home and terminal release to the terminal Locally-attached carrying；
    The terminal sends releasing bearing response message by the source base station from home to the mobile management unit；
    The source base station from home confirms that the locality connection has been deleted.
  7. 7. the method according to any one of claim 4 to 6, it is characterised in that
    In the case where Long Term Evolution LTE is accessed, the source base station from home, which initiates switching, to be included：The source base station from home is to described Target BS where mobile management unit or the Target cell sends handover request message；
    In the case where Universal Mobile Communication System UMTS is accessed, the source base station from home, which initiates switching, to be included：The source family expenses Base station sends RELOCATION REQUEST message to the mobile management unit or the re-positioning request of enhancing is sent to the target BS Message.
  8. 8. according to the method described in claim 2, it is characterized in that, carry the adjacent cells in the measurement report message Home network identification in the case of, in the terminal to after the source base station from home return measurement report message, further include：
    The source base station from home determines the Target cell of switching；
    The source base station from home sends handover request message to mobile management unit, wherein, the handover request message carries The home network identification of the Target cell；
    The mobile management unit judges the home network identification of the Target cell and the local network of present access subzone Whether network identify whether unanimously and allow to establish locality connection, if the home network identification of the Target cell with it is current Access the home network identification of cell unanimously and allow to establish the locality connection, then continue to execute switching, otherwise, release is local After connection, switching is continued to execute.
  9. 9. according to the method described in claim 8, it is characterized in that, deposited between the source base station from home and local access network close In the case where controlling plane signaling, the mobile management unit release locality connection includes：
    The mobile management unit is sent to the source base station from home to be used to indicate that the source base station from home deletion is locally-attached Handover request failed message；
    The source base station from home closes to send to the local access network to be used to ask the local access network to close the deletion local The carrying releasing request message of connection；
    The local access network, which closes, deletes locally-attached carrying, and sending deleting bearing request to mobile management unit disappears Breath；
    The mobile management unit deletes locally-attached carrying, is closed to the local access network and sends deleting bearing response Message；
    The local access network closes to the source base station from home and returns to carrying release response message.
  10. 10. according to the method described in claim 9, it is characterized in that, closed in the local access network to the source base station from home After returning to the carrying release response message, further include：
    The source base station from home sends handover request message to the mobile management unit.
  11. 11. according to the method described in claim 9, delete the locality connection it is characterized in that, being closed in the local access network Carrying, to mobile management unit send deleting bearing request message after, further include：
    The mobile management unit sends releasing bearing request message to the source base station from home；
    The source base station from home sends releasing bearing request message, the source base station from home and terminal release to the terminal Locally-attached carrying；
    The terminal sends releasing bearing response message by the source base station from home to the mobile management unit.
  12. 12. according to the method described in claim 8, it is characterized in that, between the source base station from home and local access network close In the case of there is no control plane signaling, the mobile management unit release locality connection includes：
    The mobile management unit closes to send to the local access network deletes conversation request message；
    The local access network, which closes, deletes locally-attached carrying, is sent to the mobile management unit and deletes conversational response Message；
    The mobile management unit sends releasing bearing request message to the source base station from home；
    The source base station from home sends releasing bearing request message, the source base station from home and terminal release to the terminal Locally-attached carrying；
    The terminal sends releasing bearing response message by the source base station from home to the mobile management unit.
  13. 13. according to the method described in claim 5,6,11 or 12, it is characterised in that the mobile management unit to the source family In the releasing bearing request message that source base station from home sent with base station and described is sent to the terminal, comprising transmission extremely The deactivation bearing request message of the terminal.
  14. 14. the method according to any one of claim 3-6,8-12, it is characterised in that the source base station from home determines to cut The Target cell changed includes：
    Home network identification is consistent with the home network identification of present access subzone described in the source base station from home prioritizing selection Cell is as the Target cell.
  15. 15. the method according to any one of claim 4-6,9-12, it is characterised in that there are base station from home in a network In the case of gateway, the message between the source base station from home and the mobile management unit is turned by the home base-station gateway Hair.
  16. 16. the method according to any one of claim 4-6,9-12, it is characterised in that
    If the terminal is from UMTS/ global system for mobile communications enhanced data rates global system for mobile communications evolution technologies Wireless access network GERAN is accessed, and the mobile management unit is Gn/Gp service universal grouping wireless business supporting nodes SGSN, the then message between the mobile management unit and the local access network close are deletion PDP Context request/response；
    If the terminal is accessed from LTE, mobile management unit MME, or if terminal is accessed from UTMS/GERAN, it is mobile Administrative unit is S4SGSN, then the message between the mobile management unit and the local access network close is turned by gateway Hair, in the case where the gateway forwards the message, the gateway deletes locally-attached carrying.
  17. A kind of 17. information acquisition method, it is characterised in that including：
    Local access network closes the rear end network element closed to the local access network and sends session establishment request message, wherein, the meeting Words establish request message and carry the affiliated home network identification in the local access network pass；
    The rear end network element receives the session establishment request message, and the local is obtained from the session establishment request message Network identity；
    The rear end network element is "Policy and Charging Rules Function entity or charging gateway.
  18. 18. according to the method for claim 17, it is characterised in that
    In the case of network element is held in the rear as the "Policy and Charging Rules Function entity, disappear from session establishment request After the home network identification is obtained in breath, further include：The "Policy and Charging Rules Function entity is according to the local network Network mark is generated strategy and/or charging regulation；
    In the case of network element is held in the rear as the charging gateway, described is being obtained from the session establishment request message After ground network identity, further include：The charging gateway determines currently performed rate according to the home network identification.
  19. 19. according to the method any one of claim 17-18, it is characterised in that on PDN connections foundation/activation PDP Hereafter in flow, the local access network closes the rear end network element transmission session establishment closed to the local access network please Seek message.
  20. A kind of 20. base station from home, it is characterised in that including：
    Broadcast module, for sending system broadcast message, wherein, the system broadcast message is carried where the base station from home Home network identification；
    Wherein, it is locally-attached carry it is a plurality of in the case of, send one carrying releasing request message, and it is described carrying release Request message is put to be used to indicate to delete a plurality of carrying at the same time；Alternatively, a plurality of carrying releasing request message is sent, and it is more Carrying releasing request message described in each in releasing request message is carried described in bar and is respectively used to one carrying of instruction deletion.
  21. 21. base station from home according to claim 20, it is characterised in that further include：
    Initiation module is measured, is disappeared for sending the measurement control of information for the adjacent cells for being used to obtain the terminal to terminal Breath；
    Report receiving module, the measurement report message returned for receiving the terminal, wherein, the measurement report message carries There are the measurement report to the adjacent cells and/or the home network identification of the adjacent cells.
  22. 22. base station from home according to claim 21, it is characterised in that further include：
    Target cell determining module, for determining the Target cell of switching；
    Judgment module, for judging the home network identification of the Target cell and the local network mark of present access subzone Whether knowledge is consistent, if so, then triggering switching initiation module, otherwise, triggers Connection Release module；
    The switching initiation module, for initiating to switch；
    The Connection Release module, after discharging locality connection, triggers the switching initiation module.
  23. 23. base station from home according to claim 21, it is characterised in that further include：
    Target cell determining module, for determining the Target cell of switching；
    Switch initiation module, for sending handover request message to mobile management unit, wherein, the handover request message carries There is the home network identification of the Target cell.
  24. A kind of 24. terminal, it is characterised in that including：
    Module is monitored, for monitoring the system broadcast message from base station from home, wherein, the system broadcast message carries State the home network identification where base station from home；
    Acquisition module, for obtaining the home network identification where the base station from home from the system broadcast message；
    Wherein, it is locally-attached carry it is a plurality of in the case of, receive one carrying releasing request message, and it is described carrying release Request message is put to be used to indicate to delete a plurality of carrying at the same time；Alternatively, a plurality of carrying releasing request message is received, and it is more Carrying releasing request message described in each in releasing request message is carried described in bar and is respectively used to one carrying of instruction deletion.
  25. 25. terminal according to claim 24, it is characterised in that further include：
    Receiving module, for receiving the measurement control for being used to obtain the information of the adjacent cells of the terminal from source base station from home Message processed；
    Reporting modules, for the source base station from home return measurement report message, wherein, the measurement report message carries The home network identification of measurement report and/or the adjacent cells to the adjacent cells.
  26. A kind of 26. Information Acquisition System, it is characterised in that including the base station from home any one of claim 20-23 and Terminal any one of claim 24-25.
  27. A kind of 27. Information Acquisition System, it is characterised in that including：
    Local access network closes, and the rear end network element for being closed to the local access network sends session establishment request message, wherein, institute State session establishment request message and carry the affiliated home network identification in the local access network pass；
    The rear end network element, for receiving the session establishment request message, institute is obtained from the session establishment request message State home network identification；
    The rear end network element is "Policy and Charging Rules Function entity or charging gateway.
  28. 28. system according to claim 27, it is characterised in that the local access network close be used for PDN connections foundation/ Activate in PDP Context flow, the rear end network element closed to the local access network sends the session establishment request message.
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