CN103634746A - Method and apparatus for keeping PoC continuous connection handling capacity - Google Patents
Method and apparatus for keeping PoC continuous connection handling capacity Download PDFInfo
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- CN103634746A CN103634746A CN201310687394.8A CN201310687394A CN103634746A CN 103634746 A CN103634746 A CN 103634746A CN 201310687394 A CN201310687394 A CN 201310687394A CN 103634746 A CN103634746 A CN 103634746A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a method and an apparatus for keeping proof of concept (PoC) continuous connection handling capacity. According to the method, a state presentation server receives continuous connection service request information from a PoC client and transmits the continuous connection service request information to a policy and charging rules function (PCRF); the PCRF transmits an internet protocol-control area network (IP-CAN) session continuous connection capacity request corresponding to the user information to a gateway GPRS supporting node (GGSN); the GGSN provides a continuous connection capacity to the user through a service GPRS supporting node (SGSN); and the PoC client adaptively adjust a heartbeat cycle of the presentation server in real time according to a network quality situation, so as to guarantee continuous connection of the PoC client. The embodiment of the invention not only can effectively reduce influence of frequent transmission of a conventional heartbeat packet on a network signaling load, but also can realize packet connectivity initiated by the terminal according to the quality of network in which a terminal side is located, thus guaranteeing continuous connection from both network and terminal aspects and enhancing use efficiency and quality of users.
Description
Technical field
The present invention relates to mobile communication technology field, be specifically related to the method and apparatus that a kind of PoC of maintenance continues to connect disposal ability.
Background technology
To UMTS(Universal Mobile Telecommunications System, universal mobile telecommunications system), along with HSDPA(High Speed Downlink Packet Access, high-speed downlink packet accesses) and E-DCH(Enhanced-Dedicated Channel, the dedicated channel strengthening) release, numerous mobile subscribers likes using Packet data service, even and all wish to only have data once in a while to send during long-term online, also can obtain the quick response of network.
Network is in order to save Radio Resource, when detecting while sending without any user data within a period of time, will stop this connection.When having new data to transmit, then re-establish connection.This connection frequently stops and reconnects corresponding signaling consumption and the delay bringing, and certainly will will affect user's impression, especially very high to requirement of real-time user (as PoC user).
PoC(Push to Talk over Cellular, radio honeycomb PTT) refer to based on mobile cellular network packet domain and carry, utilize VoIP(Voice over IP, ip voice) technology realizes the half-duplex voice business of similar trunking communication, can support the functions such as session one to one, one-to-many cluster conversation, state present in real time, group list management.It is characterized by: user is by special PTT(Push To Talk, PTT) button, the right to speak in application session, after obtaining the floor and being pointed out accordingly, user can start speech.In half-duplex session, a side is when speech, and other members can only answer, and can not talk.
Way at the lasting connectivity problem of mobile communication packet domain solution roughly has three kinds at present:
A kind of is to RRC(Radio Resource Control in UMTS network, Radio Resource is controlled) four kinds of state (CELL_PCH(Cell_Paging Channel of connection mode, cell paging channel), URA_PCH (UTRAN Registration Area_Paging Channel, UTRAN registration cell paging channel), CELL_FACH(Cell_Forward Access Channel, cell forward access channel), CELL_DCH(Cell_Dedicated Channel, cell private channel)) processing of mode shifts.Wherein, CELL_DCH exists special-purpose physical channel to connect, be applicable to real-time, continuous or a large amount of transfer of data, remaining three kinds of state is at UE(User Equipment, subscriber equipment) with UTRAN(UMTS Terrestrial Radio Access Network, UMTS Terrestrial radio access network) between, all do not exist DPCH to connect, be applicable to the business that low volume data transmission or discontinuous business etc. are done one's best.
The second is that 3GPP has proposed CPC (Continuous Packet Connectivity) technology, when user has irregular transfer of data, with minimum resource overhead (code and power etc.), make user remain on for a long time CELL_DCH RRC connection status, rather than stop continually, connect, the connection time delay that user can experience is reduced, thereby provide a kind of user of lasting connection to experience.
The third is the mode that existing lasting connection class business generally adopts at present, be that user terminal sends heartbeat packet message to continuing to connect class service server, when server receives user's heartbeat packet, show that this user will continue to be connected on server, thereby make user continue to be connected on network.
In realizing PoC service process, inventor finds that prior art exists following problem to realizing lasting connection business:
Experience angle from user, less user is more satisfied for time delay that yes, and first method is the treatment mechanism of current existing mobile communications network, but processing delay is relatively the longest, cannot reach the requirement of PoC to time delay, also not there is the ability that continues connection that realizes.Second method, has reduced the expense of system resource, is good way in theory, but this technology is only applicable to HSPA+(High Speed Packet Access, high-speed packet access) network, and need to carry out upgrading to existing network and physical layer, the ability of can disposing is poor.The third method, the ability of can disposing is the strongest, and business development is flexible, but heart beat cycle is long, can cause business off-line, heart beat cycle is too short, can cause a large amount of signaling consumptions, even cause signaling storm, thereby cause the waste of resource and the consumption of UE electric energy, reduced the time of standby.
Summary of the invention
Given this, the embodiment of the present invention provides a kind of PoC of maintenance to continue the method and apparatus that concatenation ability is processed, to realize PoC, continue the ability connecting, and then meet the demand that PoC service is higher to requirement of real-time, while the method is also applicable to other with device and continues to be connected class business.
For achieving the above object, the technical solution used in the present invention is: a kind of method that keeps PoC to continue to connect disposal ability, comprise: state showing server receives the solicited message that continues connection business from PoC client, state showing server is to PCRF(Policy and Charging Rules Function, strategy and charging control function) send the solicited message that this continues to be connected, PCRF is to GGSN(Gateway GPRS Supporting Node, GGSN) send IP-CAN(IP Connectivity Access Network corresponding to this user profile, IP connects access network) the lasting concatenation ability request of session maintenance, GGSN is by SGSN(Serving GPRS Supporting Node, GPRS serving GPRS support node) to this user, provide the ability that continues connection, and PoC client is adjusted heart beat cycle according to network quality situation in real time to state showing server self adaptation, guarantee that PoC client continues to connect.
Wherein, the solicited message that PoC client sends to presence server comprises: PoC number, type of service sign, heart beat cycle etc., further, the PoC number that presence server is sent according to PoC client, search PoC and the phone number table of comparisons, take out corresponding phone number, and together with PoC service type identification, be sent to PCRF as subscriber identity information.
The solicited message that presence server sends to PCRF comprises: type of service sign, identity information (phone number) etc.;
The type of service sign that PCRF asks according to presence server, determines whether PoC service, if PoC service sends the solicited message of presence server to GGSN; GGSN keeps continuing concatenation ability request according to the IP-CAN session of PCRF, specifies IP-CAN corresponding to this user, and the service that continues connection is provided to this user by SGSN.
PoC client embedded with network quality evaluation module, the network quality of testing and assessing in real time, and adjust in real time its heart beat cycle according to network quality situation self adaptation, guarantee that PoC client continues to connect.
The present invention also provides a kind of PoC of maintenance to continue to connect the device of disposal ability, comprise state showing server device, PCRF device, GGSN device, SGSN device and PoC client, wherein said PoC client sends the solicited message of lasting connection business to state showing server device, state showing server device sends and continues connectivity request message to PCRF device, PCRF device sends IP-CAN session to GGSN device, and to this user, provides by SGSN the disposal ability that continues connection.
Described state showing server device in apparatus of the present invention, state showing server device, except having this function in PoC platform, also comprises further:
Presence server receiving element, for receiving the solicited message of the lasting connection business of initiating from PoC client;
Presence server identifying unit, for judging whether the solicited message type of service receiving is PoC service;
Presence server transmitting element, for send lasting connectivity request message corresponding to this user to PCRF device, comprises this subscriber identity information and type of service in described request information.
Described PCRF device in apparatus of the present invention, comprising:
PCRF receiving element, for receiving the solicited message of the lasting connection business of sending from state showing server;
PCRF identifying unit, for judging whether the solicited message type of service receiving is lasting connection business;
PCRF transmitting element, keeps continuing concatenation ability request for send IP-CAN session corresponding to described user to GGSN device;
PCRF feeds back receiving element, for receive the result obtaining from SGSN device after the lasting connection disposal ability of GGSN device, to carry out corresponding charging policy;
PCRF notification unit, notifies successfully for current business provides lasting concatenation ability to AF for PCRF device.
A kind of described GGSN device in apparatus of the present invention, comprising:
GGSN receiving element, for receiving the solicited message of the lasting connection business of sending from PCRF device;
GGSN transmitting element, keeps continuing concatenation ability for send IP-CAN session corresponding to described user to SGSN device;
GGSN feeds back receiving element, for receiving from SGSN device continuing to connect the result of disposal ability;
GGSN feeds back transmitting element, for sending to PCRF device from SGSN device successfully for active user provides the confirmation that continues concatenation ability.
A kind of SGSN device in apparatus of the present invention, comprising:
SGSN receiving element, for receiving the lasting connectivity request message from GGSN device respective user business;
SGSN holding unit, is used to IP-CAN session corresponding to described user to keep continuing concatenation ability;
SGSN feedback unit, for feeding back to GGSN device by the information of successfully processing lasting concatenation ability.
A kind of PoC client terminal device in apparatus of the present invention, comprising:
Network quality test and appraisal module, for judging the residing network signal quality of UE side;
Self adaptation heartbeat module, according to network signal quality, self adaptation is adjusted the heart beat cycle of PoC client, with the off-line phenomenon of guaranteeing that user occurs because extremely going offline.
Compared with prior art, the present invention has following beneficial effect: the one, for the feature of PoC service, by UMTS PCC(Policy and Charging Control, strategy is controlled with charging) framework realized PoC and continued connection status, make UE without the state that sends frequently heartbeat packet and maintain persistent connections, reduce the consumption of internetwork signaling consumption and UE terminal electric energy, improved the real-time of user's access simultaneously.The 2nd, by extend cycle of existing transmission heartbeat packet and abnormal broken line in end side after, send in time heartbeat packet, can guarantee that PoC service can accomplish long-term online timely, and then improved the satisfaction rate that user uses.
Accompanying drawing explanation
Fig. 1 is the PoC platform feature structure chart based on UMTS network;
Fig. 2 is PCC general frame figure under prior art;
Fig. 3 realizes the process chart of reaching the standard grade that continues concatenation ability business in the embodiment of the present invention;
Fig. 4 is PoC service periodicity registering flow path figure in the embodiment of the present invention;
Fig. 5 realizes the process chart that rolls off the production line that continues concatenation ability business in the embodiment of the present invention;
Fig. 6 is embodiment of the present invention state showing server installation drawing;
Fig. 7 is embodiment of the present invention PCRF installation drawing;
Fig. 8 is embodiment of the present invention GGSN installation drawing;
Fig. 9 is embodiment of the present invention SGSN installation drawing;
Figure 10 is embodiment of the present invention PoC client terminal device figure.
Embodiment
For further illustrating the embodiment of the present invention and technical scheme, provide specific embodiment below and be described with reference to the accompanying drawings.
As shown in Figure 1, wherein state presents functional entity and comprises state showing server, presents source and subscription the functional structure that realizes PoC service based on UMTS network.Present source and be positioned at subscription client, for issuing user's presentation information.Subscription is positioned at the subscribing module of subscription client, and request is to presenting the presentation information of entity, or the subscription information of request to a subscription.Presence server is for receiving, store and distribute the presentation information of PoC client.Presentation information can be issued in the source that presents in UE, also can be issued by the PoC server that represents PoC client.Presentation information can or represent that by the subscription in UE the PoC server of PoC client subscribes to and obtain.State showing server (Presence Server) can also be obtained XML document data from Shared XDMS and Presence XDMS, and subscribes to the variation of XML document.
SIP Proxy is unique access point that client is passed through Session Initiation Protocol access service platform, function comprises: the parsing to SIP layer address, and SIP layer login state safeguarded, upgrades user's the present condition that is according to user's registration and unregistration state, to user's authentication and mandate, and charge information provides;
Presence server adopts Session Initiation Protocol by PRS-3 interface, completes issue, subscription and the notice etc. of presentation information; Present source and adopt Session Initiation Protocol by PRS-1 interface, realize and presenting route between source and state showing server, complete the issue of presentation information.
As seen from Figure 1, PoC service is based on UMTS mobile network, be unable to do without interconnecting of UE, wireless access network, mobile core network and server, therefore for the lasting connection of grouped data, will consider actual existing mobile network's working mechanism.
Existing mobile network's working mechanism is in order to save Radio Resource, and when detecting while sending without any user data within a period of time, network will stop this connection (that is, initiating PDP context deactivation); When having new data to transmit, then re-establish connection.The PDP context deactivation that network side is initiated is initiated by SGSN entity, and for the IP-CAN business of packet domain, the charging based on stream (as charging is controlled, online credit control) and policy control (as thresholding is controlled, QoS control etc.) are all completed by PCC.Under prior art, PCC framework as shown in Figure 2.PCC framework is applicable to any 3GPP IP-CAN.For each PDN(Packet Data Network, Packet Data Network) access, operator can complete charging and policy control by the activation of PCC framework of configuration.
According to 3GPP agreement, IP-CAN set up and IP-CAN session during, PCC rule can predefine or dynamic regulation, the core that PCRF is PCC, is responsible for the formulation of strategy and charging regulation, PCC framework can provide the PCC based on business tactful for each Business Stream; PCEF(Policy and Charging Enforcement Function, strategy and charge execution function) be the functional entity that strategy and charging are carried out; AF(Application Function, application function) be a node that application is provided in IP-CAN user plane behavior needs dynamic strategy and charging control.The thresholding of policy control is controlled and is applied to each server data stream, and in order to make PCRF carry out thresholding control, AF should report that session (as the end of session, modification) is to PCRF.
According to existing network mechanism, when having service request, just activate IP-CAN, and in IP-CAN carrying, realize the transmission of grouped data; When user mourned in silence after a period of time, SGSN can discharge IP-CAN.Due to the mechanism that penetrates of NAT, the public network address in PDN side also can be released so.That is to say, existing network is not for the realization mechanism that continues connection type, for keeping consistently online, just needing UE to send continually heartbeat packet does not go offline with maintenance system, obviously the each heartbeat packet sending of terminal all can increase a large amount of Signalling exchange of wireless side and core-network side, even cause signaling storm, the consequence of bringing is the waste that causes resource, and then can have influence on the normal use of other business.
As shown in Figure 3, the present embodiment is the method that a kind of PoC of realization of the present invention continues to connect disposal ability, comprising:
Step 301, terminal UE side PoC client sends to presence server the service request of reaching the standard grade, and described service requesting information comprises: PoC number, type of service sign, heart beat cycle etc.
Step 302, whether the type of service that state showing server analysis judgement receives is PoC service;
If PoC service is carried out by step 303, if not pressing normal signaling process, carry out.
Step 303, state showing server sends the solicited message of this PoC service to PCRF;
The solicited message that presence server sends to PCRF comprises: type of service sign, identity information (phone number) etc.;
Concrete, the PoC number that presence server is sent according to PoC client, searches PoC and the phone number table of comparisons, takes out corresponding phone number, and together with type of service sign, is sent to PCRF as subscriber identity information.
Step 304, judges whether the solicited message type of service receiving is lasting connection business;
If continue Connection service, by step 305, carry out; If not carrying out by normal signaling process.
Step 305, PCRF sends IP-CAN session corresponding to this user profile to GGSN and keeps continuing concatenation ability request;
The lasting connection type of service sign that PCRF asks according to presence server, the phone number that transmission presence server is asked and service identification type are to GGSN;
Step 306, GGSN sends the ability that lasting connection is provided of this user's requirement to SGSN;
GGSN, according to the request of PCRF, specifies IP-CAN corresponding to this user, to SGSN, asks to provide for this user the service that continues connection.
Step 307, SGSN provides the ability continue connecting for this user;
SGSN, according to the solicited message receiving, carries out and keeps IP-CAN corresponding to this user, for this user provides the service ability that continues connection.
Step 308, SGSN feeds back to GGSN by the information of successfully processing lasting concatenation ability;
Step 309, GGSN receives and forwards from SGSN continuing to connect the confirmation of disposal ability;
Reception is the confirmation to current business request consistently online capability requests from SGSN, and this information is sent to PCRF.
Step 310, PCRF notifies successfully for current business provides lasting concatenation ability to AF;
Reception continues to connect the result of hold facility and sends current strategies information to AF this business from SGSN, upgrades the service marker ability information of PCRF storage, to control accordingly and charging policy simultaneously;
Step 311, PoC client self adaptation is adjusted heart beat cycle in real time;
According to UE side network quality situation, PoC client self adaptation sends heartbeat packet to state showing server, guarantees that PoC client continues to connect.
Concrete, PoC client is by the network quality module of testing and assessing, real-time test and appraisal network quality, and adjust in real time its heart beat cycle according to network quality situation self adaptation, that is to say network quality classification, when network quality is better, heart beat cycle is adjusted long, and when network quality is poor, heart beat cycle is adjusted short, in the situation that initiatively initiating heartbeat signalling, guarantee that PoC client continues to connect.
By said method, from network side and two aspects of end side, guaranteed lasting connection, the impact of the frequent transmission that can effectively reduce traditional heartbeat packet on network signal load, improves user's service efficiency and quality.
As shown in Figure 4, the present embodiment is that the present invention realizes periodically register method of PoC service, comprising:
(1) after UE start, during UE start, UE can complete RRC(Radio Resource Control automatically, Radio Resource is controlled) set up, PS(Packet Switched, packet switching) territory is adhered to and is completed registration at SGSN, PDP(Packet Data Protocol, packet data protocol) upper foundation of composing a piece of writing.If now there is no data service, UE will, in IDLE pattern, wait for caller or be exhaled so.
(2) if first use PoC service will carry out the registration of PoC service, user sends registration message by PoC client to PoC server.According to registering result, client can be pointed out user registration success or failure.After user registration success, terminal enters service starting state.Now, show the sign of PoC service in terminal, sign prompting state comprises: serve availablely, serve unavailablely, user exempts to disturb.
After endpoint registration success, need the XML document of obtaining to network side to comprise: this user contact lists; The group list that user creates and the member's list in group; The group list that user is added into and the member's list in group.
Terminal sends the ISB setting relevant with answer-mode to business platform; Issue the Presence state of oneself; Initiate the request of Presence state subscription.
(3) when user is registered to after the success of PoC server, presence server, according to the method for embodiment of the present invention Fig. 3, is realized the ability that continues to be connected to network of PoC service.When end side network signal is poor, terminal still can re-register to PoC server, to maintain heartbeat between the two, after guaranteeing that terminal can not go offline because network is poor, in off-grid state.When endpoint registration is registered, can carry registration period, if this cycle drops within the scope of the registration period of network side configuration, be the registration period of confirming, otherwise can to user, configure a registration period by network.Re-injection volume is initiated at a half of registration period conventionally.
As shown in Figure 5, the present embodiment is that the present invention realizes the handling process that rolls off the production line that PoC continues concatenation ability business, comprising:
If PoC service is carried out by step 503, if not pressing normal signaling process, carry out.Here mainly consider a user terminal, may there is the business of multiple lasting connection simultaneously, only have when presence server receive be PoC terminal initiate deexcitation request time, could make response to this request, and remaining consistently online business is maintained the statusquo, do not process.If now UE only has this to continue to connect a kind of business, the PDP context deactivation request message that also can notify PCRF initiation packet to connect.
Solicited message comprises: type of service sign, identity information etc.;
If continue Connection service, by step 505, carry out; If not carrying out by normal signaling process.
GGSN, according to the request of PCRF, specifies IP-CAN corresponding to this user, is sent as this user carries out the notice of going to continue connection to SGSN.
SGSN, according to the solicited message receiving, carries out and cancels IP-CAN corresponding to this user, no longer for this user provides the service ability that continues connection.
Reception is the confirmation to current business request consistently online capability requests from SGSN, and this information is sent to PCRF.
Reception goes to continue to connect the result of hold facility to this business from SGSN, upgrade the service marker ability information of PCRF storage, to control accordingly and charging policy simultaneously;
By said method, can guarantee the scene that many kinds of Packet Services of a UE exist, by only PoC service being gone the processing of the lasting request connecting, can guarantee proceeding of all the other Packet data services; When if UE only has a PoC business simultaneously, the directly deexcitation of the PDP Context of initiation packet data, thus can reduce flow expense for user, saved wireless system resources, can postpone again the stand-by time of UE.
As shown in Figure 6, the embodiment of the present invention provides a kind of state showing server device, and state showing server device, except having this function in PoC platform, also comprises further:
Presence server receiving element 601, for receiving the solicited message of the lasting connection business of initiating from PoC client;
Presence server identifying unit 602, for judging whether the solicited message type of service receiving is PoC service;
Presence server transmitting element 603, for send lasting connectivity request message corresponding to this user to PCRF device, comprises this user profile in described request information.
As shown in Figure 7, the embodiment of the present invention also provides a kind of PCRF device, comprising:
PCRF receiving element 701, for receiving the solicited message of the lasting connection business of sending from state showing server;
PCRF identifying unit 702, for judging whether by the solicited message type of service receiving be PoC service;
PCRF transmitting element 703, keeps continuing concatenation ability request for send IP-CAN session corresponding to described user to GGSN device;
PCRF feeds back receiving element 704, for receive the result obtaining from SGSN device after the lasting connection disposal ability of GGSN device, to carry out corresponding charging policy;
PCRF notification unit 705, notifies successfully for current business provides lasting concatenation ability to AF for PCRF device.
As shown in Figure 8, the embodiment of the present invention also provides a kind of GGSN device, comprising:
GGSN feeds back receiving element 803, for receiving from SGSN device continuing to connect the result of disposal ability;
GGSN feeds back transmitting element 804, for sending to PCRF device from SGSN device successfully for active user provides the confirmation that continues concatenation ability.
As shown in Figure 9, the embodiment of the present invention also provides a kind of SGSN device, comprising:
As shown in figure 10, the embodiment of the present invention also provides a kind of PoC client terminal device, comprising:
Embedded with network quality evaluation module 1001, for judging the residing network signal quality of UE side;
Self adaptation heartbeat module 1002, according to network signal quality, self adaptation is adjusted the heart beat cycle of PoC client, with the off-line phenomenon of guaranteeing that user occurs because extremely going offline.
The above is the preferred embodiments of the present invention, can help technical staff to understand thinking of the present invention and method, is not limited to the present invention.In the situation that not deviating from spirit of the present invention and essence thereof, those skilled in the art can carry out various modifications and distortion to the present invention, but these corresponding changes and distortion all belong to claim protection range of the present invention.
Claims (10)
1. keep PoC to continue to connect a method for disposal ability, comprising: state showing server receives the solicited message that continues connection business from PoC client; State showing server sends and continues connectivity request message to PCRF; PCRF sends the IP-CAN session corresponding with user profile to GGSN and keeps continuing concatenation ability request; GGSN provides the ability that continues connection to this user by SGSN; And PoC client adjusts heart beat cycle according to network quality situation in real time to state showing server, guarantee that PoC client continues to connect.
2. a kind of method that keeps PoC continue to connect disposal ability according to claim 1, is characterized in that: the solicited message of described lasting connection business comprises PoC number, type of service sign, heart beat cycle.
3. a kind of method that keeps PoC continue to connect disposal ability according to claim 2, it is characterized in that: state showing server is according to described PoC number, search PoC and the phone number table of comparisons, take out corresponding phone number, and together with PoC service type identification, be sent to PCRF as subscriber identity information.
4. a kind of method that keeps PoC continue to connect disposal ability according to claim 1, it is characterized in that: the type of service sign that PCRF asks according to state showing server, determine whether PoC service, if PoC service sends the solicited message of state showing server to GGSN; GGSN keeps continuing concatenation ability request according to the IP-CAN session of PCRF, specifies IP-CAN corresponding to this user, and the service that continues connection is provided to this user by SGSN.
5. one kind keeps the lasting device that connects disposal ability of PoC, it is characterized in that: comprise state showing server device, PCRF device, GGSN device, SGSN device and PoC client, wherein said PoC client sends the solicited message of lasting connection business to state showing server device, state showing server device sends and continues connectivity request message to PCRF device, PCRF device sends IP-CAN session to GGSN device, and to this user, provides by SGSN the disposal ability that continues connection.
6. a kind of device that keeps PoC continue to connect disposal ability according to claim 5, it is characterized in that: described state showing server device comprises: presence server receiving element, for receiving the solicited message of the lasting connection business of initiating from PoC client;
Presence server identifying unit, for judging whether the type of service of the solicited message receiving is PoC service;
Presence server transmitting element, for sending lasting connectivity request message corresponding to this user to PCRF device.
7. a kind of device that keeps PoC continue to connect disposal ability according to claim 5, is characterized in that: described PCRF device comprises: PCRF receiving element, for receiving the solicited message of the lasting connection business of sending from state showing server;
PCRF identifying unit, for judging whether the solicited message type of service receiving is lasting connection business;
PCRF transmitting element, keeps continuing concatenation ability request for send IP-CAN session corresponding to described user to GGSN device;
PCRF feeds back receiving element, for receive the result obtaining from SGSN device after the lasting connection disposal ability of GGSN device, to carry out corresponding charging policy;
PCRF notification unit, notifies successfully for current business provides lasting concatenation ability to AF for PCRF device.
8. a kind of device that keeps PoC continue to connect disposal ability according to claim 5, is characterized in that: described GGSN device comprises: GGSN receiving element, for receiving the solicited message of the lasting connection business of sending from PCRF device;
GGSN transmitting element, keeps continuing concatenation ability for send IP-CAN session corresponding to described user to SGSN device;
GGSN feeds back receiving element, for receiving from SGSN device continuing to connect the result of disposal ability;
GGSN feeds back transmitting element, for sending to PCRF device from SGSN device successfully for active user provides the confirmation that continues concatenation ability.
9. a kind of device that keeps PoC continue to connect disposal ability according to claim 5, is characterized in that: described SGSN device comprises: SGSN receiving element, for receiving the lasting connectivity request message from GGSN device respective user business;
SGSN holding unit, is used to IP-CAN session corresponding to described user to keep continuing concatenation ability;
SGSN feedback unit, for feeding back to GGSN device by the information of successfully processing lasting concatenation ability.
10. a kind of device that keeps PoC continue to connect disposal ability according to claim 5, is characterized in that: described PoC client comprises: network quality test and appraisal module, for judging the residing network signal quality of UE side;
Self adaptation heartbeat module, for according to network signal quality, self adaptation is adjusted the heart beat cycle of PoC client, with the off-line phenomenon of guaranteeing that user occurs because extremely going offline.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104954337A (en) * | 2014-03-28 | 2015-09-30 | 华为技术有限公司 | Method for maintaining on-line state of mobile terminal, and authentication server |
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| CN104580983A (en) * | 2015-01-15 | 2015-04-29 | 深圳市捷视飞通科技有限公司 | Method for achieving video communication PTT |
| CN105245531A (en) * | 2015-10-21 | 2016-01-13 | 北京捷思锐科技股份有限公司 | Disconnection detection method, device and server |
| CN105245531B (en) * | 2015-10-21 | 2018-12-25 | 北京捷思锐科技股份有限公司 | One kind goes offline detection method, device and server |
| CN105516010A (en) * | 2015-12-09 | 2016-04-20 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN105516010B (en) * | 2015-12-09 | 2019-02-05 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
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| CN112202626A (en) * | 2020-08-04 | 2021-01-08 | 长春创世麒麟科技有限公司 | Real-time data communication heartbeat packet pushing method |
| CN112118544A (en) * | 2020-08-18 | 2020-12-22 | 杭州叙简科技股份有限公司 | PoC signaling processing method, apparatus, electronic device and medium |
| CN113242611A (en) * | 2021-05-18 | 2021-08-10 | 展讯通信（上海）有限公司 | Method and device for adjusting PoC heartbeat packet sending interval |
| WO2023174043A1 (en) * | 2022-03-14 | 2023-09-21 | 华为技术有限公司 | Power line communication system, and in-network state detection method and device |
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