CN102572759B - A kind of method and system realizing network initiated urgent business - Google Patents
A kind of method and system realizing network initiated urgent business Download PDFInfo
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- CN102572759B CN102572759B CN201210037303.1A CN201210037303A CN102572759B CN 102572759 B CN102572759 B CN 102572759B CN 201210037303 A CN201210037303 A CN 201210037303A CN 102572759 B CN102572759 B CN 102572759B
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Abstract
The invention discloses a kind of method and system realizing network initiated urgent business, relate to wireless communication system.In the method realizing network initiated urgent business provided by the invention, packet data serving node PDSN receives grouped data when belonging to certain urgency traffic, accessing network by Packet Control Function PCF notice and initiate beep-page message to the access terminal AT being in dormant state, described access terminal initiates described urgency traffic after receiving this message.Technical solution of the present invention achieves the urgency traffic that dormant state lower network is initiated in HRPD Access Network, thus the perfect HRPD Access Network support to urgency traffic.
Description
Technical field
The present invention relates to wireless communication system, relate more specifically to one and realize the method and system of network initiated urgent business (EmergencyServices).
Background technology
Urgency traffic is a kind of service that government forces operator to provide, and user can use when without opening.Urgency traffic generally includes robber and police, fire alarm and medical first aid these three basic service, may be provided for the business such as such as seashore rescue, vile weather early warning, mine rescue in addition.When running into emergency, user can pass through to dial emergency numbers and be linked into the emergency that network, report or feedback occur, to guarantee that individual or public safety is ensured effectively and timely.Except the situation that terminal or user initiate urgency traffic, there is also by the scene of network initiated urgent business, network clawback, network handle after such as user's on-hook happen suddenly emergency notification to user etc..
But, in the technology of current HRPD (HRPD, HighRatePacketData) Access Network, lack the support to this kind of situation of urgency traffic that network is initiated.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and system realizing network initiated urgent business, thus the perfect HRPD Access Network support to urgency traffic.
In order to solve the problems referred to above, the invention provides a kind of method realizing network initiated urgent business, including: packet data serving node PDSN receive grouped data belong to certain urgency traffic time, accessing network by Packet Control Function PCF notice and initiate beep-page message to the access terminal AT being in dormant state, described access terminal initiates described urgency traffic after receiving this message.
Preferably, in said method,
Described PDSN notifies described PCF by carrying urgency traffic instruction information in the packets headers of generic route encapsulation this is a urgency traffic.
Preferably, in said method, described PCF is by carrying the A9-BS business request information of urgency traffic instruction information, this is a urgency traffic to notify AN, wherein said urgency traffic instruction information is added in A9-BS business request information as a new information unit, or described urgency traffic instruction information is included in A9-BS business request information in existing information unit.
Preferably, in said method,
By resolving the content in grouped data, described PDSN judges whether this grouped data belongs to certain urgency traffic.
Preferably, in said method, described Access Network ruton crosses the beep-page message initiating to carry described urgency traffic information to described AT, and this is a urgency traffic to notify AT.
Preferably, said method also includes, and described PDSN first judges when AT is in dormant state, after PDSN judges that received grouped data belongs to certain urgency traffic, accesses network by described PCF notice and initiates beep-page message to described AT.
Present invention also offers a kind of system realizing network initiated urgent business, including the access terminal AT being sequentially connected with, access network AN, Packet Control Function PCF and packet data serving node PDSN, wherein:
AT, sets up service with described AN and is connected, and the beep-page message initiated by accessing network when being in dormant state learns that network will initiate urgency traffic after initiating a urgency traffic, and the stream carrying out interacting message and urgency traffic is consulted；
AN, sets up service with described AT and PCF respectively and is connected, and carry out interacting message, and wherein AN sets up in-A8 message or A9-renewal-A8 message to the PCF A9-sent and carries whether user is currently in use urgency traffic information；
PCF, sets up service with described AN and PDSN respectively and is connected, and carry out interacting message, and wherein PCF carries whether user is currently in use urgency traffic information in the PDSN A11-login request message sent；
PDSN, sets up service with described PCF and is connected, and receive grouped data and judge whether this grouped data belongs to certain urgency traffic, be additionally operable to carry out interacting message with PCF.
Preferably, in said system,
Described PDSN notifies described PCF by carrying urgency traffic instruction information in the packets headers of generic route encapsulation this is a urgency traffic.
Preferably, in said system,
Described PCF is by carrying the A9-BS business request information of urgency traffic instruction information, this is a urgency traffic to notify described AN, wherein said urgency traffic instruction information is added in A9-BS business request information as a new information unit, or described urgency traffic instruction information is included in A9-BS business request information in existing information unit.
Preferably, in said system,
Described Access Network ruton crosses the beep-page message initiating to carry described urgency traffic information to described AT, and this is a urgency traffic to notify AT.
The urgency traffic that technical solution of the present invention achieves activated state in HRPD Access Network, dormant state lower network is initiated, thus the perfect HRPD Access Network support to urgency traffic.
Accompanying drawing explanation
Fig. 1 is that in the present embodiment, activated state lower network initiates the new flow chart servicing connection establishment of urgency traffic-have；
Fig. 2 is the flow chart that in the present embodiment, activated state lower network initiates urgency traffic-nothing newly service connection establishment；
Fig. 3 is the flow chart that in the present embodiment, dormant state lower network initiates urgency traffic；
Fig. 4 is GRE packet format schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, technical solution of the present invention is described in further detail.
A kind of system realizing network initiated urgent business, including the access terminal (AT being sequentially connected with, AccessTerminal), network (AN is accessed, AccessNetwork), Packet Control Function (PCF, and packet data serving node (PDSN PacketControlFunction), PacketDataServingNode), wherein:
AT, sets up service with described AN and is connected, and learns that network will initiate urgency traffic after initiating a urgency traffic, and the stream carrying out interacting message and urgency traffic is consulted；
AN, sets up service with AT and PCF respectively and is connected, and carry out interacting message, and wherein AN sets up in-A8 message or A9-renewal-A8 message to the PCF A9-sent and carries whether user is currently in use urgency traffic information；
PCF, sets up service with AN and PDSN respectively and is connected, and carry out interacting message, and wherein PCF carries whether user is currently in use urgency traffic information in the PDSN A11-login request message sent；
PDSN, sets up service with PCF and is connected, and receive grouped data and judge whether this grouped data belongs to certain urgency traffic, be additionally operable to carry out interacting message with PCF, additionally, PDSN can also judge the state of AT.
In said system, except AT, other belongs to the network element in network.
By the difference of AT status, such as dormant state, activated state etc., the urgency traffic that network is initiated can segment further.
Fig. 1 show, activated state lower network initiation urgency traffic-have the new process servicing connection establishment, and namely network realizes urgency traffic connection by new service connection, and this process specifically includes following steps:
Step 100, network passes through AT described in Session initiation Protocol (SIP, SessionInitiationProtocol) message informing before initiating urgency traffic；
Step 101:AT and AN carries out the session configuration that interconnection protocol (IP, InternetProtocol) flows, and then AN is mapped to the IP stream of new IP stream or reactivation in new service connection；
Step 102:AN sends A9-to PCF and sets up-A8 message to set up A8 connection, starts intervalometer TA8-setup simultaneously, and wherein, A9-sets up-A8 message and comprises whether user is currently in use the instruction of urgency traffic；
Above-mentioned A9-sets up-A8 message and comprises to be required and remap, and has built up including those and information that all A8 of preparing to set up connect, wherein comprises the A8 service identification for main connection and for assisting the extra A8 service identification of connection；When A9-set up-A8 message be used for set up based on PDSN, service connect (SO, ServiceOption) forward direction on 67 and/or reversely can compress (ROHC by something or somebody to fall back on, RObustHeaderCompression) channel, then also can comprise the ROHC configuration parameter after negotiation in this message.
Step 103:PCF sends A11-login request message to PDSN, is used for setting up A10 and connects, starts intervalometer Tregreq simultaneously, and wherein A11-login request message comprises whether user is currently in use the instruction of urgency traffic；
Above-mentioned A11-login request message also can comprise all A8 received in corresponding S104 and connect the corresponding A10 information connected, wherein comprise the session particular extension information unit for main connection, and it is used for the extra session information of the auxiliary connection being included in common vendor-specific extensions (NVSE, NormalVendorSpecificExtension)；When A11-login request message is used for setting up based on PDSN, forward direction on SO67 and/or reverse ROHC channel, then this message also can comprise the ROHC configuration parameter after negotiation.
Step 104:PDSN adds new A10 and connects and send A11-registration reply message to PCF, PCF stopping intervalometer Tregreq；
Above-mentioned A11-registration reply message comprises the session particular extension for main connection and the extra session information of the auxiliary connection for being included in NVSE；A11-registration reply message also can comprise all A10 received in all corresponding steps 103 information connected.
Step 105:PCF adds new A8 and connects and send A9-connection-A8 message to AN, and AN stops intervalometer TA8-setup；
Above-mentioned A9-connects-A8 message and comprises all A8 received in a step 102 information connected, and wherein comprises the A8 service identification for main connection and for assisting the extra A8 service identification of connection.
After completing step 105, the support of bottom link is just completed.Follow-up AT and network side can be carried out the mutual of urgency traffic information.Follow-up flow process is also herewith.
Fig. 2 show, and activated state lower network is initiated urgency traffic-nothing and newly serviced the process of connection establishment, and namely network realizes urgency traffic connection by the existing service connection of multiplexing, and this process specifically includes following steps:
Step 200: network notifies AT by sip message before initiating urgency traffic；
After step 201:AT and AN carries out the session configuration of IP stream, AN is mapped to current service IP stream and connects；
Step 202:AN sends A9-and updates-A8 message to PCF to update stream map information, starts intervalometer Tupd9 simultaneously, and wherein A9-renewal-A8 message comprises whether user is currently in use the instruction of urgency traffic；
Step 203:PCF to PDSN send comprise stream map change, lifetime field be not 0 A11-login request message, simultaneously start intervalometer Tregreq, wherein A11-login request message also comprises whether user is currently in use the instruction of urgency traffic；
Above-mentioned A11-login request message comprises all services received in step 202 and connects the corresponding A10 information connected.
Step 204:PDSN sends A11-registration reply message to PCF, and then PCF stops intervalometer Tregreq；
Above-mentioned A11-registration reply message comprises all A10 received in step 203 information connected.
Step 205:PCF sends A9-to AN and updates-A8 response message, and then AN stops intervalometer Tupd9.
Fig. 3 show, and dormant state lower network initiates the process of urgency traffic, and concrete, this process comprises the following steps:
Step 300:PDSN receives grouped data, if judging, this grouped data belongs to certain urgency traffic (such as, can pass through to resolve in the content in grouped data to judge whether to belong to certain urgency traffic) after, PDSN passes through routed encapsulation (GRE this grouped data, GenericRoutingEncapsulation) PCF it is sent to after, wherein GRE packets headers is as shown in Figure 4, it is possible to comprise in this packets headers for showing that this is the instruction information of a urgency traffic；
In the present embodiment, described PDSN judges when AT is in dormant state, accesses network by PCF notice and initiates beep-page message to described AT；Described PDSN judges when AT is in activated state, then show that the information initiating a urgency traffic is signal to AT by SIP by network, and now PDSN this grouped data to receiving is without doing the judgement whether belonging to certain urgency traffic.
Fig. 4 show, and GRE packets headers structural representation, in this packets headers, it is possible to show whether be currently a urgency traffic by the span of existing field, as given a special value to " mark " field, shows whether be currently a urgency traffic.
Step 301:PCF sends A9-BS business request information request Packet Service to AN, and start intervalometer Tbsreq9, wherein A9_BS business request information contain for showing that this is the instruction of a urgency traffic, wherein urgency traffic instruction information can be added in A9-BS business request information as a new information unit, it is also possible to adds in A9-BS business request information in existing information unit；
In above-mentioned A9-BS business request information, SR_ID is set to 1, and owing to this message is for asking the A8 set up needed for all AN IP safeguarded stream maps to connect, AN ignores SR_ID.
Step 302:AN returns A9-BS service response message to PCF, after PCF receives this message, stops intervalometer Tbsreq9, and starts intervalometer Tnetconn；
Step 303:AN sends beep-page message to AT on a control channel, contains for showing that this is the instruction of a urgency traffic in this message；
Step 304:AT is promptly designated as the connection request message of 1 by sending, and initiates the connection establishment process with AN, and AN is that it assigns a forward traffic channel, reverse power control channel and reverse traffic channel；
Step 305:AT and AN carries out the session negotiation flowed for the IP of urgency traffic, and AN is mapped to new service connection the IP stream for urgency traffic；
Step 306: after Traffic Channel is set up, AN sends data to PCF and prepares to be designated as the A9-foundation-A8 message of ' 1 ' to set up A8 connection, and starts intervalometer TA8-setup；PCF stops intervalometer Tnet_conn after receiving A9-foundation-A8 message；Wherein A9-sets up in-A8 message and contains for showing that this is the instruction of a urgency traffic；
Step 307:PCF sends A11-login request message with charge information to PDSN, and starts intervalometer Tregreq, wherein contains in A11-login request message for showing that this is the instruction of a urgency traffic；
Step 308:PDSN returns A11-registration reply message to PCF, and then PCF stops intervalometer Tregreq；
Step 309:PCF sends A9-to AN and connects-A8 message, after AN receives this message, stops intervalometer TA8-setup；
Step 310: now connection establishment, grouped data can be transmitted between AT and PDSN.
Can be seen that the urgency traffic that technical solution of the present invention achieves activated state in HRPD Access Network, dormant state lower network is initiated from the above, thus the perfect HRPD Access Network support to urgency traffic.
The present invention also can have in other multiple examples; when without departing substantially from the spirit of the present invention and essence thereof; those skilled in the art can make corresponding change and deformation according to the present invention, but these change accordingly and deformation all should belong within the scope of the claims appended by the present invention.
Claims (6)
1. the method realizing network initiated urgent business, it is characterised in that
Packet data serving node PDSN receives grouped data when belonging to certain urgency traffic, accesses network AN by Packet Control Function PCF notice and initiates beep-page message to the access terminal AT being in dormant state, and described AT initiates described urgency traffic after receiving this message；
Described PDSN notifies described PCF by carrying urgency traffic instruction information in the packets headers of generic route encapsulation this is a urgency traffic；
Described PCF is by carrying the A9-BS business request information of urgency traffic instruction information, and this is a urgency traffic to notify described AN；
Described Access Network ruton crosses the beep-page message initiating to carry described urgency traffic instruction information to described AT, and this is a urgency traffic to notify described AT.
2. the method for claim 1, it is characterised in that
Described urgency traffic instruction information is added in A9-BS business request information as a new information unit, or described urgency traffic instruction information is included in A9-BS business request information in existing information unit.
3. the method for claim 1, it is characterised in that
By resolving the content in grouped data, described PDSN judges whether this grouped data belongs to certain urgency traffic.
4. the method for claim 1, it is characterised in that
The method also includes, and described PDSN first judges when described AT is in dormant state, after described PDSN judges that received grouped data belongs to certain urgency traffic, accesses network by described PCF notice and initiates beep-page message to described AT.
5. realize a system for network initiated urgent business, including the access terminal AT being sequentially connected with, access network AN, Packet Control Function PCF and packet data serving node PDSN, wherein:
AT, sets up service with described AN and is connected, and the beep-page message initiated by accessing network when being in dormant state learns that network will initiate urgency traffic after initiating a urgency traffic, and the stream carrying out interacting message and urgency traffic is consulted；
Described AN, sets up service with described AT and described PCF respectively and is connected, and carry out interacting message, and wherein said AN sets up-A8 message to the described PCF A9-sent or A9-updates in-A8 message and carries whether user is currently in use urgency traffic information；
Described PCF, sets up service with described AN and described PDSN respectively and is connected, and carry out interacting message, and wherein said PCF carries whether user is currently in use urgency traffic information in the described PDSN A11-login request message sent；
Described PDSN, sets up service with described PCF and is connected, and receive grouped data and judge whether this grouped data belongs to certain urgency traffic, be additionally operable to carry out interacting message with described PCF；
Described PDSN notifies described PCF by carrying urgency traffic instruction information in the packets headers of generic route encapsulation this is a urgency traffic；
Described PCF is by carrying the A9-BS business request information of urgency traffic instruction information, and this is a urgency traffic to notify described AN；
Described Access Network ruton crosses the beep-page message initiating to carry described urgency traffic instruction information to described AT, and this is a urgency traffic to notify described AT.
6. system as claimed in claim 5, it is characterised in that
Described urgency traffic instruction information is added in A9-BS business request information as a new information unit, or described urgency traffic instruction information is included in A9-BS business request information in existing information unit.
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| CN201210037303.1A CN102572759B (en) | 2008-05-14 | 2008-05-21 | A kind of method and system realizing network initiated urgent business |
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| CN101132624A (en) * | 2006-08-25 | 2008-02-27 | 华为技术有限公司 | Method for implementing emergency business and system thereof |
| CN101141784A (en) * | 2006-09-06 | 2008-03-12 | 华为技术有限公司 | Idle paging method, access equipment and system of cross access equipment |
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| US20050037728A1 (en) * | 2003-08-13 | 2005-02-17 | Binzel Charles P. | Emergency broadcast message in a wireless communication device |
| CN1909718B (en) * | 2005-08-03 | 2010-08-18 | 中兴通讯股份有限公司 | Method for urgent call handling in WCDMA system |
| CN100473185C (en) * | 2005-09-16 | 2009-03-25 | 中兴通讯股份有限公司 | Emergency call processing method in wideband code division multiple access system |
| CN100455119C (en) * | 2005-11-30 | 2009-01-21 | 华为技术有限公司 | Method and system for distinguishing business grade transmission paging message |
| US20080032714A1 (en) * | 2006-08-04 | 2008-02-07 | Takashi Suzuki | System and Method for Responding to a Page During a Communication Restriction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101132624A (en) * | 2006-08-25 | 2008-02-27 | 华为技术有限公司 | Method for implementing emergency business and system thereof |
| CN101141784A (en) * | 2006-09-06 | 2008-03-12 | 华为技术有限公司 | Idle paging method, access equipment and system of cross access equipment |
Non-Patent Citations (1)
| Title |
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| ALL-IP Network Emergency Call Support;3GPP2;《3GPP2 X.S0049-0 v1.0》;20080218;第8.1.1节、图2 * |
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| CN101583111B (en) | 2012-11-14 |
| CN101583111A (en) | 2009-11-18 |
| CN102572759A (en) | 2012-07-11 |
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