CN103634746B - 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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- CN103634746B CN103634746B CN201310687394.8A CN201310687394A CN103634746B CN 103634746 B CN103634746 B CN 103634746B CN 201310687394 A CN201310687394 A CN 201310687394A CN 103634746 B CN103634746 B CN 103634746B
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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
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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, and in particular to a kind of method that holding PoC is continuously connected with disposal ability
And device.
Background technology
To UMTS（Universal Mobile Telecommunications System, UMTS）Come
Say, with HSDPA（High Speed Downlink Packet Access, high-speed downlink packet is accessed）And E-DCH
（Enhanced-Dedicated Channel, enhanced dedicated channel）Release, numerous mobile subscribers like using packet
Data service, even and if be desirable in it is long-term online during data is activation only once in a while, it is also possible to obtain the quick sound of network
Should.
Network in order to save Radio Resource, when detect a period of time in without any user data send when, will
Terminate the connection.When etc. there are new data to need transmission, then re-establish connection.This frequently connection terminates and reconnects
The corresponding signaling consumption for bringing and delay, certainly will will affect the impression of user, especially the user very high to requirement of real-time
（Such as PoC user）.
PoC（Push to Talk over Cellular, radio honeycomb PTT）Refer to based on mobile cellular network point
Group domain carries, using VoIP（Voice over IP, ip voice）Technology realizes the half-duplex voice business of similar trunking communication,
One-to-one session, one-to-many cluster conversation, state can be supported to present in real time, the function such as group list management.It is characterized by：User
By special PTT（Push To Talk, PTT）Button, applies for the right to speak in session, is obtaining the floor and is obtaining
After corresponding prompting, user can start speech.In half-duplex session, in speech, other members can only answer a side, no
Can speech.
The method for solving to be continuously connected with problem in mobile communication packet domain at present substantially has three kinds：
One kind is to RRC in UMTS network（Radio Resource Control, wireless heterogeneous networks）Connection mode four
The state of kind（CELL_PCH（Cell_Paging Channel, cell paging channel）, URA_PCH（UTRAN Registration
Area_Paging Channel, UTRAN register cell paging channel）, CELL_FACH（Cell_Forward Access
Channel, cell forward access channel）, CELL_DCH（Cell_Dedicated Channel, cell private channel））Pattern
The process of transfer.Wherein, there is special physical channel connection in CELL_DCH, it is adaptable to real-time, continuous or substantial amounts of number
According to transmission, remaining three kinds of state is in UE（User Equipment, user equipment）With UTRAN（UMTS Terrestrial
Radio Access Network, UMTS Terrestrial radio access network）Between there is no DPCH connection, it is adaptable to it is few
The business that amount data transfer or discontinuous traffic etc. are done one's best.
Second is that 3GPP proposes CPC (Continuous Packet Connectivity) technology, i.e., when user has
Irregularly during data transfer, with minimum resource overhead（Code and power etc.）So that user's long-time is maintained at CELL_DCH
RRC connection status, rather than continually terminate, set up connection so that the connection time delay that user can experience reduces, so as to carry
For a kind of Consumer's Experience being continuously connected with.
The third be it is at present existing be continuously connected with class business generally by the way of, i.e. user terminal is to being continuously connected with class industry
Business server sends heartbeat packet message, when server receives the heartbeat packet of user, shows that the user will continue to be connected to clothes
On business device, so that user is continuously connected on network.
During PoC service is realized, inventor has found that prior art is continuously connected with business and there is problems with to realization：
From the point of view of the experience angle of user, certainly the less user of time delay is more satisfied, and first method is current existing shifting
The treatment mechanism of dynamic communication network, but processing delay is relatively most long, it is impossible to requirements of the PoC to time delay is reached, is not also had and is realized
The ability being continuously connected with.Second method, reduces the expense of system resource, theoretically preferable method, but the technology is only
Suitable for HSPA+（High Speed Packet Access, high-speed packet is accessed）Network, and need to existing network and physics
Layer carries out upgrading, can dispose ability poor.The third method, it is most strong to dispose ability, business development flexibly, but heart beating week
Phase is long, and business can be caused offline, and heart beat cycle is too short, can cause substantial amounts of signaling consumption, even results in signaling storm, so as to
Cause the waste of resource and the consumption of UE electric energy, reduce the standby time.
The content of the invention
In consideration of it, the method and apparatus that a kind of holding PoC is continuously connected with ability process is embodiments provided, with reality
The ability that existing PoC is continuously connected with, and then meet the PoC service demand higher to requirement of real-time, while the method and device
Class business is continuously connected with suitable for other.
To reach above-mentioned purpose, the technical solution used in the present invention is：A kind of holding PoC is continuously connected with the side of disposal ability
Method, including：State showing server receives the solicited message that business is continuously connected with from PoC clients, state showing server
To PCRF（Policy and Charging Rules Function, strategy and charging control function）Send what this was continuously connected with
Solicited message, PCRF is to GGSN（Gateway GPRS Supporting Node, GGSN）Send the user
The corresponding IP-CAN of information（IP Connectivity Access Network, IP connect access network）Session continues to connect
Capability requests are connect, GGSN passes through SGSN（Serving GPRS Supporting Node, GPRS serving GPRS support nodes）To the use
Family provides the ability that is continuously connected with, and PoC clients are real-time to state showing server self adaptation according to network quality situation
Adjustment heart beat cycle, it is ensured that PoC clients are continuously connected with.
Wherein, PoC clients include to the solicited message that presence server sends：PoC numbers, type of service mark, the heart
Hop cycle etc., further, the PoC numbers that presence server is sent according to PoC clients are searched PoC and are compareed with phone number
Table, takes out correspondence phone number, and sends to PCRF together with PoC service type identification as subscriber identity information.
Presence server to the solicited message that PCRF sends includes：Type of service mark, identity information（Phone number）Deng；
PCRF is identified according to the type of service that presence server is asked, and PoC service is determined whether, if PoC industry
Business then sends the solicited message of presence server to GGSN；GGSN is continuously connected with ability according to the IP-CAN sessions of PCRF please
Ask, it is intended that the corresponding IP-CAN of the user, the service being continuously connected with is provided to the user by SGSN.
PoC client embedded with network quality evaluation modules, network quality of testing and assessing in real time, and it is adaptive according to network quality situation
Answer real-time adjustment its heart beat cycle, it is ensured that PoC clients are continuously connected with.
Present invention also offers a kind of holding PoC is continuously connected with the device of disposal ability, including state showing server dress
Put, PCRF devices, GGSN devices, SGSN devices and PoC clients, wherein the PoC clients send is continuously connected with business
To state showing server device, state showing server device sends and is continuously connected with solicited message and fills to PCRF solicited message
Put, PCRF devices send IP-CAN sessions to GGSN devices, and provide the disposal ability being continuously connected with to the user by SGSN.
The state showing server device in apparatus of the present invention, state showing server device except have this in
Outside function in PoC platforms, further also include:
Presence server receiving unit, for receiving the solicited message for being continuously connected with business initiated from PoC clients；
Presence server identifying unit, for judging the solicited message type of service for receiving whether as PoC service；
Presence server transmitting element, for sending to PCRF devices, the user is corresponding to be continuously connected with solicited message, institute
State in solicited message comprising the subscriber identity information and type of service.
The PCRF devices in apparatus of the present invention, including:
PCRF receiving units, for receiving the solicited message for being continuously connected with business sent from state showing server；
PCRF identifying units, for judging the solicited message type of service for receiving whether as business is continuously connected with；
PCRF transmitting elements, for sending the corresponding IP-CAN sessions of the user to GGSN devices energy is continuously connected with
Power is asked；
PCRF feedback reception units, for receive from SGSN devices Jing GGSN devices be continuously connected with disposal ability after obtain
The result for obtaining, to carry out corresponding charging policy；
PCRF notification units, notify successfully for current business to provide the ability of being continuously connected with for PCRF devices to AF.
A kind of described GGSN devices in apparatus of the present invention, including:
GGSN receiving units, for receiving the solicited message for being continuously connected with business sent from PCRF devices；
GGSN transmitting elements, for sending the corresponding IP-CAN sessions of the user to SGSN devices energy is continuously connected with
Power；
GGSN feedback reception units, for receiving from SGSN devices to being continuously connected with the result of disposal ability；
GGSN feeds back transmitting element, continues for sending successfully to be provided for active user from SGSN devices to PCRF devices
The confirmation of concatenation ability.
A kind of SGSN devices in apparatus of the present invention, including:
SGSN receiving units, solicited message is continuously connected with for receiving from GGSN devices correspondence customer service；
SGSN holding units, for being continuously connected with ability for the corresponding IP-CAN sessions of the user；
SGSN feedback units, for giving GGSN devices by the feedback of the information for being successfully processed the ability of being continuously connected with.
A kind of PoC client terminal devices in apparatus of the present invention, including：
Network quality test and appraisal module, for judging the network signal quality residing for UE sides；
Self adaptation heartbeat module, according to network signal quality, the heart beat cycle of self-adaptative adjustment PoC clients, to guarantee
User is because of the offline phenomenon for going offline and occurring extremely.
Compared with prior art, the invention has the advantages that：One is the characteristics of being directed to PoC service, by UMTS
PCC（Policy and Charging Control, strategy and charging control）Framework realizes PoC and is continuously connected with state so that
UE reduces internetwork signaling consumption and UE terminal electric energy without the need for frequently sending heartbeat packet come the state for maintaining persistent connections
Consumption, while improve user access real-time.Two be by end side extend it is existing send heartbeat packet cycle and
Send heartbeat packet after abnormal broken line in time, it can be ensured that PoC service can timely accomplish long-term online, and then improve user
The satisfaction rate for using.
Description of the drawings
Fig. 1 is based on the PoC platform feature structure charts of UMTS network；
Fig. 2 is PCC general frame figures under prior art；
Fig. 3 is to realize being continuously connected with the process chart of reaching the standard grade of capacity service 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 is to realize being continuously connected with the offline process chart of capacity service 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.
Specific embodiment
To further illustrate the embodiment of the present invention and technical scheme, specific embodiment is given below and accompanying drawing is combined specifically
It is bright.
The functional structure of PoC service is realized based on UMTS network as shown in figure 1, wherein state is presented functional entity including shape
State presence server, presence source and subscription.Presence source is located in subscription client, for issuing the presentation information of user.Subscribe to
Subscribing module in subscription client, asks the presentation information to entity is presented, or subscription of the request to a subscription
Information.Presence server is used to receiving, store and distributing the presentation information of PoC clients.Presentation information can by UE in be in
Issue in existing source, it is also possible to issued by the PoC server for representing PoC clients.Presentation information can be by the subscription in UE or generation
The PoC server of table PoC clients is subscribing to and obtain.State showing server（Presence Server）Can with from
XML document data are obtained in Shared XDMS and Presence XDMS, and subscribes to the change of XML document.
SIP Proxy are sole access point of the client by Session Initiation Protocol access service platform, and function includes：To SIP layers
The parsing of address, SIP layers login state safeguard, according to user's registration and exit state update user in present condition, to user
Authentication and mandate, and charge information provide；
Presence server adopts Session Initiation Protocol by PRS-3 interfaces, completes issue, subscription and notice of presentation information etc.；It is in
Existing source adopts Session Initiation Protocol by PRS-1 interfaces, realizes being route between presence source and state showing server, completes that letter is presented
The issue of breath.
As seen from Figure 1, PoC service is based on UMTS mobile networks, that is, to be unable to do without UE, wireless access network, mobile core
Heart net and server interconnect, therefore it is necessary to considering actual existing mobile network for being continuously connected with of grouped data
The working mechanism of network.
The working mechanism of existing mobile network be in order to save Radio Resource, when detect a period of time in it is not any
When user data sends, network will terminate the connection（That is, PDP context deactivation is initiated）；Need to pass etc. there are new data
When defeated, then re-establish connection.The PDP context deactivation that network side is initiated is initiated by SGSN entities, and for packet
Charging for the IP-CAN business in domain, based on stream（Such as charging control, online diameter credit control）And policy control（Such as thresholding control
System, QoS controls etc.）All completed by PCC.PCC frameworks are as shown in Figure 2 under prior art.PCC frameworks are applied to any one
3GPP IP-CAN.For each PDN（Packet Data Network, Packet Data Network）Access, operator can be by configuring
PCC frameworks activation completing charging and policy control.
According to 3GPP agreements, set up and IP-CAN ession for telecommunication in an IP-CAN, PCC rules can be predefined or dynamic rule
Fixed, PCRF is the core of PCC, is responsible for the formulation of strategy and charging regulation, and PCC frameworks can be provided based on business for each Business Stream
PCC it is tactful；PCEF（Policy and Charging Enforcement Function, strategy and charge execution function）For
The functional entity that strategy and charging are performed；AF（Application Function, application function）It it is one in IP-CAN user
Plane behavior needs dynamic strategy and charging control provide the node of application.The thresholding control of policy control is applied to each service
Data flow, in order to be able to make PCRF carry out thresholding control, AF should report session（End, modification such as session）To PCRF.
According to existing network mechanism, when there is service request, IP-CAN is just activated, and packet is realized in IP-CAN is carried
The transmission of data；After user mourns in silence a period of time, SGSN can discharge IP-CAN.Mechanism is penetrated due to NAT, then in PDN
The public network address of side also can be released.In other words, existing network is not directed to the realization mechanism for being continuously connected with type, is holding
Consistently online, it is necessary to which UE is continually sent heartbeat packet and do not gone offline with maintenance system, it is clear that the heartbeat packet that terminal sends every time is all
Wireless side and the substantial amounts of Signalling exchange of core-network side can be increased, signaling storm is even resulted in, the consequence brought causes resource
Waste, and then influence whether normally using for other business.
As shown in figure 3, the present embodiment is that the present invention is a kind of realizes the method that PoC is continuously connected with disposal ability, including：
Step 301, terminal UE side PoC clients to presence server sends service request of reaching the standard grade, the service request letter
Breath includes：PoC numbers, type of service mark, heart beat cycle etc..
Step 302, state showing server analysis judges whether the type of service for receiving is PoC service；
If PoC service, then perform by step 303, if not then by the execution of normal signaling process.
Step 303, state showing server sends the solicited message of the PoC service to PCRF；
Presence server to the solicited message that PCRF sends includes：Type of service mark, identity information（Phone number）Deng；
Specifically, the PoC numbers that presence server is sent according to PoC clients, search PoC and phone number synopsis,
Correspondence phone number is taken out, and is sent to PCRF together with type of service mark as subscriber identity information.
Whether step 304, judge the solicited message type of service for receiving as business is continuously connected with；
If Continuous Connectivity business, then performed by step 305；If not then by the execution of normal signaling process.
Step 305, PCRF sends the corresponding IP-CAN sessions of the user profile and is continuously connected with capability requests to GGSN；
PCRF is continuously connected with type of service mark according to what presence server was asked, sends what presence server was asked
Phone number and service identification type are to GGSN；
Step 306, GGSN sends the ability that the offer of the requirement of the user is continuously connected with to SGSN；
Requests of the GGSN according to PCRF, it is intended that the corresponding IP-CAN of the user, provides for the user to SGSN requests and continues
The service of connection.
Step 307, SGSN provides the ability being continuously connected with for the user；
SGSN performs and keeps the corresponding IP-CAN of the user according to the solicited message for receiving, and provides for the user and holds
The service ability of continuous connection.
Step 308, SGSN will be successfully processed the feedback of the information of the ability of being continuously connected with to GGSN；
Step 309, GGSN is received and forwarded from SGSN to being continuously connected with the confirmation of disposal ability；
The confirmation from SGSN to current service request consistently online capability requests is received, and is sent that information to
PCRF。
Step 310, PCRF notifies successfully for current business to provide the ability of being continuously connected with to AF；
Receive and the result of holding capacity be continuously connected with to the business and to AF transmission current strategies information from SGSN,
The service marker ability information of PCRF storages is updated simultaneously, to be controlled accordingly and charging policy；
Step 311, PoC client self adaptation real-time adjustment heart beat cycles；
According to UE sides network quality situation, PoC clients self adaptation to state showing server sends heartbeat packet, it is ensured that
PoC clients are continuously connected with.
Specifically, PoC clients are tested and assessed module by network quality, network quality of testing and assessing in real time, and according to network quality
Situation self adaptation real-time adjustment its heart beat cycle, that is to say and be classified network quality, and when network quality is preferable, heart beat cycle is adjusted
Long, when network quality is poor, heart beat cycle adjusts short, in the case where heart beating signalling is actively initiated, it is ensured that PoC clients
It is continuously connected with.
By said method, ensure that in terms of network side and end side two and be continuously connected with, can effectively reduce traditional heart
Impact of the frequent transmission of bag to network-signaling load is jumped, user's service efficiency and quality is improved.
As shown in figure 4, the present embodiment is the present invention PoC service periodicity register method is realized, including：
（1）After UE starts shooting, when UE starts shooting, UE can be automatically performed RRC（Radio Resource Control, wireless money
Source controls）Set up, PS（Packet Switched, packet switch）Domain is adhered to and completes registration, PDP in SGSN（Packet
Data Protocol, packet data protocol）The foundation of upper style of writing.If now without data service, then UE will be in IDLE
Pattern, waits caller or is exhaled.
（2）If it is desired that with PoC service, then first have to carry out the registration of PoC service, i.e. user by PoC clients to
PoC server sends registration message.According to registering result, client can point out user registration success or failure.In user's registration
After success, terminal enters service starting state.Now, the mark that PoC is serviced is shown in terminal, mark prompting state includes：Clothes
Business is available, services unavailable, and user exempts to disturb.
The XML document obtained to network side is needed to include after endpoint registration success：This user contact lists；User is created
Members list in the group list built and group；Members list in group list that user is added into and group.
Terminal to business platform sends the ISB settings related to answer-mode；Issue the Presence states of oneself；Initiate
Presence state subscriptions are asked.
（3）After user's registration is to PoC server success, presence server according to embodiment of the present invention Fig. 3 method, it is real
The ability for being continuously connected to network of existing PoC service.When end side network signal is poor, terminal still can be to PoC server weight
New registration, to maintain heart beating between the two, it is ensured that after terminal will not go offline because of network difference, in off-grid state.In terminal
Registration period can be carried during registration, if the cycle falls in the range of the registration period of network side configuration, for what is confirmed
Registration period, otherwise can give user configuring one registration period by network.Re-register is initiated generally in the half of registration period.
As shown in figure 5, the present embodiment is the present invention realizes that PoC is continuously connected with the offline handling process of capacity service, including：
Step 501, UE sides PoC clients to presence server initiates the offline request of business, that is, ask this traffic packets domain
The deexcitation being continuously connected with.
Step 502, state showing server analysis judges whether the type of service for receiving is PoC service；
If PoC service, then perform by step 503, if not then by the execution of normal signaling process.Here it is main
In view of a user terminal, various business being continuously connected with are may be simultaneously present, be only when what presence server was received
When the deexcitation that PoC terminals are initiated is asked, the request could be responded, and existing is maintained to remaining consistently online business
Shape, does not process.If now UE is only originally continuously connected with a kind of business, can also notify that PCRF initiates the PDP of packet connection
Context deactivation request message.
Step 503, state showing server is to the offline request message of deexcitation that PCRF sends the PoC；
Solicited message includes：Type of service mark, identity information etc.；
Whether step 504, PCRF judges the solicited message type of service for receiving as business is continuously connected with；
If Continuous Connectivity business, then performed by step 505；If not then by the execution of normal signaling process.
Step 505, PCRF sends the corresponding IP-CAN sessions of the user profile and goes to be continuously connected with capability requests to disappear to GGSN
Breath；
Step 506, GGSN is continuously connected with capability requests and notifies to SGSN going of sending that the user requires；
Requests of the GGSN according to PCRF, it is intended that the corresponding IP-CAN of the user, sends to be performed for the user to SGSN and goes to hold
The notice of continuous connection.
Step 507, SGSN is the ability that user's revocation is continuously connected with；
SGSN is performed and is cancelled the corresponding IP-CAN of the user according to the solicited message for receiving, and is no longer provided for the user
The service ability being continuously connected with.
Step 508, SGSN will be successfully processed the feedback of the information of the ability of being continuously connected with to GGSN；
Step 509, GGSN is received and forwarded and goes to be continuously connected with the confirmation of disposal ability from SGSN；
The confirmation from SGSN to current service request consistently online capability requests is received, and is sent that information to
PCRF。
Step 510, PCRF notifies successfully to have carried out for current business going to be continuously connected with ability to AF；
Reception goes to be continuously connected with the result of holding capacity from SGSN to the business, while updating the industry of PCRF storages
Business marked capacity information, to be controlled accordingly and charging policy；
By said method, the scene that many kinds of Packet Services of a UE are present both was can guarantee that, by only going to hold to PoC service
The process of the request of continuous connection, it is ensured that remaining Packet data service proceeds；If simultaneously UE only has a kind of business of PoC
When, the deexcitation of the PDP Context of grouped data can be directly initiated, so as to traffic overhead can be reduced for user, save
Wireless system resources, can postpone the stand-by time of UE again.
As shown in fig. 6, embodiments providing a kind of state showing server device, state showing server device
In addition to the function with this in PoC platforms, further also include：
Presence server receiving unit 601, for receiving the request letter for being continuously connected with business initiated from PoC clients
Breath；
Presence server identifying unit 602, for judging the solicited message type of service for receiving whether as PoC service；
Presence server transmitting element 603, for sending to PCRF devices, the user is corresponding to be continuously connected with solicited message,
The user profile is included in the solicited message.
As shown in fig. 7, the embodiment of the present invention additionally provides a kind of PCRF devices, including：
PCRF receiving units 701, for receiving the request letter for being continuously connected with business sent from state showing server
Breath；
PCRF identifying units 702, for whether judging with the solicited message type of service for receiving as PoC service；
PCRF transmitting elements 703, continue to connect for sending the corresponding IP-CAN sessions of the user to GGSN devices
Connect capability requests；
PCRF feedback reception units 704, disposal ability is continuously connected with for receiving from SGSN device Jing GGSN devices
The result for obtaining afterwards, to carry out corresponding charging policy；
PCRF notification units 705, notify successfully to provide for current business to be continuously connected with energy for PCRF devices to AF
Power.
As shown in figure 8, the embodiment of the present invention additionally provides a kind of GGSN devices, including：
GGSN receiving units 801, for receiving the solicited message for being continuously connected with business sent from PCRF devices；
GGSN transmitting elements 802, for sending the corresponding IP-CAN sessions of the user to SGSN energy is continuously connected with
Power；
GGSN feedback reception units 803, for receiving from SGSN devices to being continuously connected with the result of disposal ability；
GGSN feeds back transmitting element 804, successfully provides for active user from SGSN devices for sending to PCRF devices
It is continuously connected with the confirmation of ability.
As shown in figure 9, the embodiment of the present invention additionally provides a kind of SGSN devices, including：
SGSN receiving units 901, carry out GGSN devices correspondence customer service and are continuously connected with solicited message for receiving；
SGSN holding units 902, for being continuously connected with ability for the corresponding IP-CAN sessions of the user；
SGSN feedback units 903, for giving GGSN devices by the feedback of the information for being successfully processed the ability of being continuously connected with.
As shown in Figure 10, the embodiment of the present invention additionally provides a kind of PoC client terminal devices, including：
Embedded with network quality evaluation module 1001, for judging the network signal quality residing for UE sides；
Self adaptation heartbeat module 1002, according to network signal quality, the heart beat cycle of self-adaptative adjustment PoC clients, with
Guarantee user because of the offline phenomenon for going offline and occurring extremely.
The above is the preferred embodiments of the present invention, and technical staff can be helped to understand the thinking and method of the present invention, and
It is not used in the restriction present invention.In the case of the spiritual and its essence without departing substantially from the present invention, those skilled in the art can be right
The present invention carries out various modifications and deformation, but these corresponding changes and deformation belong to the claim protection model of the present invention
Enclose.
Claims (9)
1. a kind of method that holding PoC is continuously connected with disposal ability, including：State showing server is received from PoC clients
It is continuously connected with the solicited message of business；State showing server sends to PCRF and is continuously connected with solicited message；PCRF to GGSN sends out
IP-CAN corresponding with user profile sessions are sent to be continuously connected with capability requests, PCRF is according to holding that presence server is asked
Continuous connection type of service mark, sends phone number that presence server asked and service identification type to GGSN；GGSN leads to
Cross SGSN and provide a user with the ability being continuously connected with；PCRF receives the process for being continuously connected with holding capacity to the business from SGSN
As a result and to AF current strategies information is sent, while the service marker ability information of PCRF storages is updated, it is corresponding to carry out
Control and charging policy；And PoC clients according to network quality situation to state showing server real-time adjustment heart beat cycle,
Guarantee that PoC clients are continuously connected with.
2. a kind of method that according to claim 1 holding PoC is continuously connected with disposal ability, it is characterised in that：It is described lasting
The solicited message of connection business includes PoC numbers, type of service mark, heart beat cycle.
3. a kind of method that according to claim 2 holding PoC is continuously connected with disposal ability, it is characterised in that：State is presented
Server searches PoC and phone number synopsis according to the PoC numbers, takes out correspondence phone number, and as user identity
Information is sent to PCRF together with PoC service type identification.
4. a kind of method that according to claim 1 holding PoC is continuously connected with disposal ability, it is characterised in that：PCRF according to
The type of service mark that state showing server is asked, determines whether PoC service, if PoC service then sends state
The solicited message of presence server is to GGSN；GGSN is continuously connected with capability requests according to the IP-CAN sessions of PCRF, it is intended that
The corresponding IP-CAN of the user, the service being continuously connected with is provided by SGSN to the user.
5. a kind of holding PoC is continuously connected with the device of disposal ability, it is characterised in that：Including state showing server device,
PCRF devices, GGSN devices, SGSN devices and PoC clients, wherein the PoC clients send the request of the business that is continuously connected with
To state showing server device, state showing server device sends and is continuously connected with solicited message to PCRF devices information,
PCRF devices send IP-CAN sessions to GGSN devices, and the disposal ability being continuously connected with is provided a user with by SGSN；Wherein
The PCRF devices include：PCRF receiving units, be continuously connected with business from what state showing server sent for receiving
Solicited message；
PCRF identifying units, for judging the solicited message type of service for receiving whether as business is continuously connected with；
PCRF transmitting elements, please for being continuously connected with ability to the corresponding IP-CAN sessions of the GGSN devices transmission user
Ask；
PCRF feedback reception units, for receive from SGSN devices Jing GGSN devices be continuously connected with disposal ability after obtain
As a result, to carry out corresponding charging policy；
PCRF notification units, notify successfully for current business to provide the ability of being continuously connected with for PCRF devices to AF.
6. according to claim 5 a kind of holding PoC is continuously connected with the device of disposal ability, it is characterised in that：The state
Presence server device includes：Presence server receiving unit, be continuously connected with business from what PoC clients were initiated for receiving
Solicited message；
Presence server identifying unit, for judging the type of service of the solicited message for receiving whether as PoC service；
Presence server transmitting element, for sending to PCRF devices, the user is corresponding to be continuously connected with solicited message.
7. according to claim 5 a kind of holding PoC is continuously connected with the device of disposal ability, it is characterised in that：The GGSN
Device includes：GGSN receiving units, for receiving the solicited message for being continuously connected with business sent from PCRF devices；
GGSN transmitting elements, for sending the corresponding IP-CAN sessions of the user to SGSN devices ability is continuously connected with；
GGSN feedback reception units, for receiving from SGSN devices to being continuously connected with the result of disposal ability；
GGSN feeds back transmitting element, is continuously connected with for sending successfully to be provided for active user from SGSN devices to PCRF devices
The confirmation of ability.
8. according to claim 5 a kind of holding PoC is continuously connected with the device of disposal ability, it is characterised in that：The SGSN
Device includes：SGSN receiving units, solicited message is continuously connected with for receiving from GGSN devices correspondence customer service；
SGSN holding units, for being continuously connected with ability for the corresponding IP-CAN sessions of the user；
SGSN feedback units, for giving GGSN devices by the feedback of the information for being successfully processed the ability of being continuously connected with.
9. according to claim 5 a kind of holding PoC is continuously connected with the device of disposal ability, it is characterised in that：The PoC is objective
Family end includes：Network quality test and appraisal module, for judging the network signal quality residing for UE sides；
Self adaptation heartbeat module, for according to network signal quality, the heart beat cycle of self-adaptative adjustment PoC clients, to guarantee
User is because of the offline phenomenon for going offline and occurring extremely.
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| CN104580983B (en) * | 2015-01-15 | 2018-05-29 | 深圳市捷视飞通科技有限公司 | A kind of method for realizing video communication PTT functions |
| 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 |
| 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 |
| CN106130955A (en) * | 2016-06-02 | 2016-11-16 | 金华诺普视信息技术研究所有限公司 | A kind of individual soldier communication dispatch system of band network talkback machine function |
| 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 |
| CN112118544B (en) * | 2020-08-18 | 2022-04-15 | 杭州叙简科技股份有限公司 | PoC signaling processing method, apparatus, electronic device and medium |
| CN113242611B (en) * | 2021-05-18 | 2022-09-27 | 展讯通信（上海）有限公司 | Method and device for adjusting PoC heartbeat packet sending interval |
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