CN103428206B - Carrying path establishment method, Apparatus and system - Google Patents
Carrying path establishment method, Apparatus and system Download PDFInfo
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- CN103428206B CN103428206B CN201310326016.7A CN201310326016A CN103428206B CN 103428206 B CN103428206 B CN 103428206B CN 201310326016 A CN201310326016 A CN 201310326016A CN 103428206 B CN103428206 B CN 103428206B
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Abstract
The present invention provides a kind of carrying path establishment method, Apparatus and system. the embodiment of the present invention is by improving single connection server of the prior art, so that single connection server is after receiving the PS territory business foundation request that terminal sends, obtain the networked information of called terminal, when knowing that described called terminal is multi-link terminal according to described networked information, described PS territory business is set up the multi-link server newly established in request forward to communication system, to allow the carrying path, PS territory, caller side between the foundation of described multi-link server and calling terminal, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side. relatively prior art, the embodiment of the present invention establishes many carrying paths between calling terminal and called terminal, carrying path, CS territory and the advantage in carrying path, PS territory be can fully utilize, it is to increase communication quality, calling terminal and the total cost communicated between called terminal reduced.
Description
Technical field
The present invention relates to the communication technology, particularly relate to a kind of carrying path establishment method, Apparatus and system.
Background technology
At present, point-to-point visual telephone service can be divided into circuit switching (CircuitSwitched, hereinafter referred to as CS) carrying path, territory and packet switching (PacketSwitch, hereinafter referred to as PS) carrying path, territory according to carrying path. Carrying path, CS territory has real-time, stability and reliability relatively advantages of higher, but its bandwidth is lower, the image resolution rate of video flowing is lower, and price height. Though and to have roomy, the price of band cheap carrying path, PS territory, but its stability and reliability are not high.
In prior art, terminal can only access CS territory network or PS territory network; Also can pass through the network insertion CS territory network such as GSM, WCDMACS territory or PSTN, by network insertion PS territory networks such as the PS territory of WCDMA or ADSL simultaneously. When the single connection terminal call only accessing PS territory network accesses the multi-link terminal of CS territory and PS territory network, existing communication system only sets up carrying path, a PS territory between support terminal. When carrying out multi-media session between PS territory single connection terminal and multi-link terminal, audio-frequency information and video information in multi-media session are all transmitted by the carrying path, a PS territory set up, and stability and the reliability of its multi-media session are lower.
Summary of the invention
The present invention provides a kind of carrying path establishment method, Apparatus and system, to set up many carrying paths in terminal, it is to increase communication quality.
The first aspect of the invention is to provide a kind of carrying path establishment method, comprising:
Multi-link server receives the inquiry request carrying called terminal mark that single connection server sends, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Described multi-link server identifies according to described called terminal, inquires about the networked information of described called terminal registration, and returns, to described single connection server, the inquiry response carrying described networked information;
Described multi-link server receives the described PS territory business that described single connection server forwards and sets up request, and to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link;
Described multi-link server according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
The second aspect of the invention is to provide a kind of carrying path establishment method, comprising:
Single connection server receives the PS territory business foundation request that calling terminal sends, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Described single connection server sends the inquiry request carrying called terminal mark to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information;
If the connection state that described networked information comprises is access PS territory and CS territory network multi-link, then described PS territory business is set up request forward to described multi-link server by described single connection server, so that described multi-link server sets up request according to described PS territory business, set up and described calling terminal between carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
The third aspect of the invention is to provide a kind of multi-link server, comprising:
First receiver module, for receiving the inquiry request carrying called terminal mark that single connection server sends, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Inquiry module, for according to described called terminal mark, inquiring about the networked information of described called terminal registration, and return, to described single connection server, the inquiry response carrying described networked information;
Described receiver module, the described PS territory business also forwarded for receiving described single connection server sets up request, and to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link;
Module is set up in path, for according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
The fourth aspect of the invention is to provide a kind of single connection server, comprising:
Receiver module, the PS territory business sent for receiving calling terminal sets up request, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Sending module, the inquiry request carrying called terminal mark for sending to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information, when the connection state that described networked information comprises is access PS territory and during CS territory network multi-link, described PS territory business is set up request forward to described multi-link server, so that described multi-link server sets up request according to described PS territory business, carrying path, PS territory, caller side between foundation and described calling terminal, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
The fifth aspect of the invention is to provide a kind of communication system, comprising: multi-link server and single connection server, wherein,
The inquiry request carrying called terminal mark that described multi-link server sends for receiving single connection server, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark; According to described called terminal mark, inquire about the networked information of described called terminal registration, and return, to described single connection server, the inquiry response carrying described networked information; Receiving the described PS territory business that described single connection server forwards and set up request, to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link; According to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side;
The PS territory business that described single connection server sends for receiving calling terminal sets up request, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark; The inquiry request carrying called terminal mark is sent to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information; If the connection state that described networked information comprises is access PS territory and CS territory network multi-link, then described PS territory business is set up request forward to described multi-link server, so that described multi-link server sets up request according to described PS territory business, set up and described calling terminal between carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
As shown from the above technical solution, the embodiment of the present invention is by improving single connection server of the prior art, so that single connection server is after receiving the PS territory business foundation request that terminal sends, obtain the networked information of called terminal, when knowing that described called terminal is multi-link terminal according to described networked information, described PS territory business is set up the multi-link server newly established in request forward to communication system, to allow the carrying path, PS territory, caller side between the foundation of described multi-link server and calling terminal, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side. relatively prior art, the embodiment of the present invention establishes many carrying paths between calling terminal and called terminal, carrying path, CS territory and the advantage in carrying path, PS territory be can fully utilize, it is to increase communication quality, calling terminal and the total cost communicated between called terminal reduced.
Accompanying drawing explanation
The structural representation of the communication system that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet of the carrying path establishment method that Fig. 2 provides for the embodiment of the present invention two;
The schematic flow sheet of the carrying path establishment method that Fig. 3 provides for the embodiment of the present invention three;
The mutual schematic diagram of signaling of the carrying path establishment method that Fig. 4 provides for the embodiment of the present invention four;
The structural representation of the multi-link server that Fig. 5 provides for the embodiment of the present invention five;
The structural representation of the single connection server that Fig. 6 provides for the embodiment of the present invention six.
Embodiment
For making full use of carrying path, CS territory and the advantage in carrying path, PS territory, with the communication quality improved between PS territory single connection terminal and multi-link terminal, and reduce communications cost, the embodiment of the present invention has set up multi-link server in existing communication network, and improves single connection server of the prior art. As shown in Figure 1, the structural representation of the communication system that the embodiment of the present invention one provides. The present embodiment one sets up a multi-link server 4 in the service providing layer of communication system. As shown in Figure 1, communication system described in the embodiment of the present invention one comprises multi-link server 4 and single connection server 5.
Wherein, the inquiry request carrying called terminal mark that described multi-link server 4 sends for receiving single connection server, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark; According to described called terminal mark, inquire about the networked information of described called terminal registration, and return, to described single connection server, the inquiry response carrying described networked information; Receiving the described PS territory business that described single connection server forwards and set up request, to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link; According to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
The PS territory business that described single connection server 5 sends for receiving calling terminal sets up request, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark; The inquiry request carrying called terminal mark is sent to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information; If the connection state that described networked information comprises is access PS territory and CS territory network multi-link, then described PS territory business is set up request forward to described multi-link server, so that described multi-link server sets up request according to described PS territory business, set up and described calling terminal between carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
Specifically, as shown in Figure 1, terminal accesses corresponding network core net equipment by the network element device in network insertion layer. Such as, the network interface that terminal UE c is provided by the network element device in mobile network's Access Layer is linked into mobile core net equipment 1, and meanwhile, the network interface that UEc also provides by the network element device in wireless broadband network Access Layer is linked into IMS core net equipment 2. Described multi-link server 4 connects with IP multi-media system (IPMultimediaSubsystem, hereinafter referred to as IMS) core net equipment 2. Information interaction between terminal and multi-link server 4 need to be controlled to forward by described IMS core net equipment 2, and equally, the information interaction between terminal and single connection server 5 need to be controlled to forward by described IMS core net equipment 2.Mobile core net equipment 1 and IMS core net equipment 2 communicate to connect, and IMS core net equipment 2 core net devices communicating fixing with PSTN is connected. Single connection server 5 is connected with described IMS core net equipment 2 and described multi-link server 4.
Wherein, described IMS core net equipment can be: CSCF entity (CallSessionControlFunction, Call-Establish-Success rate function). Signaling control in described CSCF entity primary responsibility process multimedia call session process. Described mobile core net equipment can be: MSC(MobileSwitchingCenter, mobile switching centre) or MME(MobileManagementEentity, mobile management entity). Described PSTN is fixing, and core net equipment can be: fixed network soft switch center.
Here you need to add is that: multi-link server described in the present embodiment one and described single connection server can realize the carrying path establishment method that following embodiment of the method provides, specifically can see the particular content described in following each embodiment of the method. In addition, the multi-link server described in the embodiment of the present invention one can specifically adopt the multi-link server that following apparatus embodiment provides, and described single connection server can specifically adopt the single connection server that following apparatus embodiment provides. The specific implementation structure of described multi-link server and single connection server can see the particular content described in following apparatus embodiment.
The present embodiment is by improving single connection server of the prior art, so that single connection server is after receiving the PS territory business foundation request that terminal sends, obtain the networked information of called terminal, when knowing that described called terminal is multi-link terminal according to described networked information, described PS territory business is set up the multi-link server newly established in request forward to communication system, with allow described multi-link server set up and calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side. Relatively prior art, the embodiment of the present invention establishes many carrying paths between calling terminal and called terminal, carrying path, CS territory and the advantage in carrying path, PS territory be can fully utilize, it is to increase communication quality, calling terminal and the total cost communicated between called terminal reduced.
Here you need to add is that: the multi-link terminal mentioned in various embodiments of the present invention is specially the terminal with following functions. This multi-link terminal possesses PS territory and the ability of CS territory connection, and is provided with the application that can simultaneously use multiple connection in terminal. Wherein, PS territory connects and CS territory connects and can provide by a physical interface (i.e. consolidated network), such as, and the PS territory of WCDMA and CS territory physical interface. PS territory connects and CS territory connects and can also provide by different physical interfaces (i.e. heterogeneous networks). Such as, PS territory connects use WLAN or ADSL network, and CS territory uses GSM, WCDMACS territory or PSTN network. The decomposition of this multi-link terminal supporting business stream and synthesis, namely multi-media information decomposition can be become multiple Business Stream, such as video flowing and audio frequency stream etc. by multi-link terminal; And the video flowing received and audio frequency stream can be known a synthesis multi-media information according to failing to be sold at auction.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As shown in Figure 2, the schematic flow sheet of the carrying path establishment method that the embodiment of the present invention two provides. As shown in Figure 2, the method described in the present embodiment two, comprising:
Step 101, multi-link server receive the inquiry request carrying called terminal mark that single connection server sends, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark.
Specifically, single connection server sends, after receiving the PS territory business foundation request that calling terminal sends, the inquiry request carrying called terminal mark to multi-link server. As shown in Figure 1, owing to single connection server is in service providing layer, the signaling between each terminal of process terminal layer and described single connection server need to control to forward by being in the core net equipment of network control layer. Therefore, calling terminal adopts business control signaling path, PS territory to send described PS territory business to IMS core net equipment and sets up request, by described IMS core net equipment, described PS territory business is set up request forward to single connection server.
Step 102, described multi-link server identify according to described called terminal, inquire about the networked information of described called terminal registration, and return, to described single connection server, the inquiry response carrying described networked information.
Specifically, described multi-link server stores the networked information of terminal registration. This networked information comprises: the mark of the network element device of connection state and access PS territory and/or CS network, wherein, described connection state comprises: the single connection of access PS territory network, the single connection of access CS territory network, and access PS territory and CS territory network is multi-link. Specifically, when the current network break-in of terminal changes, or when having new terminal need to register networked information, described multi-link server can adopt renewal or storage that described terminal or described new terminal carry out networked information with the following method, and the method can specifically comprise the steps:
First, described multi-link server receives registration or the lastest imformation that terminal sends, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and access PS territory and/or CS territory network.
Specifically, before the registration or lastest imformation of the reception terminal transmission of described multi-link server, described multi-link server and described terminal need to first set up carrying path, and then, described terminal sends described registration information by the carrying path set up to described multi-link server again. Namely described terminal is different according to connecting network, can send the registration request of corresponding PS territory or the registration request of CS territory. Forwarded described registration request forward connection server at the most by control by the core net equipment of described accessing terminal to network. Described multi-link server returns registration response according to described registration request to the core net equipment of map network. By the core net equipment of described accessing terminal to network, described registration response is forwarded to described terminal. Described terminal receives the carrying path namely established after described registration responds and between described multi-link server. Here it should be understood that this step also can increase certification process, namely client server (HomeSubscriberServer is belonged to, HSS) first described terminal is carried out certification, if certification is passed through, then can set up and carrying path between described multi-link server.More specifically, if the currently available network of terminal is CS territory network, then described terminal is to the core net equipment of described CS territory network, as mobile core net equipment and the fixing core net equipment of PSTN send registration request, the core net equipment of described CS territory network by described registration request forward to IMS core net equipment, by described IMS core net equipment by described registration request forward to described multi-link server; After described multi-link server receives described registration request, return to described IMS core net equipment and register response accordingly, described registration response is forwarded to the core net equipment of described CS territory network by described IMS core net equipment, by the core net equipment of described CS territory network, described registration response is forwarded to described terminal again, namely completes the path between multi-link server and described terminal and set up. If the currently available network of terminal is PS territory network, then described terminal can send registration request directly to IMS core net equipment, by described IMS core net equipment by described registration request forward to described multi-link server; Described multi-link server returns to described IMS core net equipment and registers response accordingly, by described IMS core net equipment, described registration response is forwarded to described terminal after receiving described registration request. If the currently available network of terminal is PS territory and CS territory network, then described terminal preferably can send registration request directly to described IMS core net equipment by PS territory network, by described IMS core net equipment by described registration request forward to described multi-link server; Described multi-link server returns to described IMS core net equipment and registers response accordingly, by described IMS core net equipment, described registration response is forwarded to described terminal after receiving described registration request.
Then, described multi-link server identifies according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.
Step 103, described multi-link server receive the described PS territory business that described single connection server forwards and set up request, and to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link.
Specifically, described single connection server is after receiving the inquiry response that described multi-link server returns, networked information according to the called terminal carried in described inquiry response, if the connection state that described networked information comprises is access PS territory and CS territory network multi-link, then the PS territory business that described calling terminal is sent by described single connection server sets up request forward to described multi-link server.
Step 104, described multi-link server according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
Specifically, described multi-link server sets up request according to described PS territory business, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side, following steps can be adopted to realize:
The called terminal mark that step S1, described multi-link server carry according to the request of setting up of described PS territory business, inquires about the networked information of described called terminal registration, obtains the network element device mark of the access CS territory network that described networked information comprises.
Step S2, described multi-link server are retrieved as the reserved caller side PS field communication resource of described calling terminal.
Specifically, described multi-link server is to MRS(MultimediaResourceServer, multimedia resource server) send the PS territory acquisition request conforms carrying calling terminal identification, so that described MRS is described calling terminal reserves PS field communication resource, i.e. PS domain IP address, port and media stream process resource etc.
Or, described multi-link server can be made up of two servers, as being made up of multi-link multimedia application server and MRS. Described multi-link multimedia application server is responsible for process business control signaling, and described MRS is responsible for processing the conversion of media stream formats. That is, described multi-link multimedia application server is responsible for and signaling between each network element device and terminal carrying path to set up between MRS and two terminals alternately, and to control MRS be each terminal distribution resource or Resource recovery. Described multi-link server is directly described calling terminal reserved caller side PS field communication resource.
Step S3, described multi-link server generate PS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and set up request.
The PS territory business request of setting up of described called side is sent to described called terminal by step S4, described multi-link server, so that described called terminal returns PS territory, corresponding called side business sets up response.
Step S5, described multi-link server generate CS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and set up request.
The business request of setting up in CS territory, described called side is sent to network element device corresponding to described network element device mark by step S6, described multi-link server, so that CS territory, described called side business is set up request forward to described called terminal by described network element device.
CS territory, the called side business that step S7, described multi-link server receive the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device that CS territory, described called side business sets up response.
Step S8, described multi-link server set up request according to described PS territory business, are retrieved as the reserved called side PS field communication resource of described called terminal and called side CS field communication resource.
Equally, described multi-link server sends the PS territory acquisition request conforms and the CS territory acquisition request conforms that carry called identification to MRS, so that described MRS is described called terminal reserves PS field communication resource, i.e. PS domain IP address, port and media stream process resource etc., and CS domain IP address, port and media stream process resource etc. Or, described multi-link server is made up of two servers, as being made up of multi-link multimedia application server and MRS. Described multi-link server directly reserves called side PS field communication resource and called side CS field communication resource for described called terminal.
Step S9, described multi-link server send the PS territory business carrying described calling terminal identification and described called side PS field communication resource and called side CS field communication resource and set up response to described single connection server, so that described PS territory business is set up response by described single connection server is forwarded to described calling terminal.
The present embodiment is by improving single connection server of the prior art, so that single connection server is after receiving the PS territory business foundation request that terminal sends, obtain the networked information of called terminal, when knowing that described called terminal is multi-link terminal according to described networked information, described PS territory business is set up the multi-link server newly established in request forward to communication system, with allow described multi-link server set up and calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.Relatively prior art, the embodiment of the present invention establishes many carrying paths between calling terminal and called terminal, carrying path, CS territory and the advantage in carrying path, PS territory be can fully utilize, it is to increase communication quality, calling terminal and the total cost communicated between called terminal reduced.
Further, after above-described embodiment one step 104, also comprise: described multi-link server receives the multi-media information that described calling terminal is sent by carrying path, PS territory, described caller side, it is the video information and the audio-frequency information that carry identical services mark by described multi-media information decomposition, and described video information is sent to described called terminal by carrying path, PS territory, described called side, audio-frequency information is sent to described called terminal by carrying path, CS territory, described called side; And/or
Described multi-link server receives the video information carrying service identification that described called terminal is sent by carrying path, PS territory, described called side, receive the audio-frequency information carrying service identification that described called terminal is sent by carrying path, CS territory, described called side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described calling terminal by carrying path, PS territory, described caller side.
Again further, after above-described embodiment one step 104, also comprise: described multi-link server binds carrying path, PS territory, described caller side, carrying path, PS territory, described called side and carrying path, CS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, PS territory, described called side and CS territory, described called side carrying path tag are identical is identified; The information such as length when described multi-link server statistics has the carrying path, PS territory, caller side of same call mark, carrying path, PS territory, called side and called side CS territory carrying path data traffic and resource occupation; Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information.
As shown in Figure 3, the schematic flow sheet of the carrying path establishment method that the embodiment of the present invention three provides. Method described in the present embodiment three, comprising:
Step 201, single connection server receive the PS territory business foundation request that calling terminal sends, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark.
Step 202, described single connection server send the inquiry request carrying called terminal mark to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information.
If the connection state that the described networked information of step 203 comprises is access PS territory and CS territory network multi-link, then described PS territory business is set up request forward to described multi-link server by described single connection server, so that described multi-link server sets up request according to described PS territory business, set up and described calling terminal between carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
As shown in Figure 4, the mutual schematic diagram of signaling of the carrying path establishment method that the embodiment of the present invention four provides. Fig. 4 shows the single connection terminal call access CS territory of access PS territory network and the flow process of the multi-link terminal of PS territory network. Such as, shown in Fig. 1, the single connection terminal UE f of the physical interface access PS territory network provided by wireless broadband network (such as WLAN etc.) calls out the multi-link terminal UE c of physical interface access PS territory and the CS territory network provided by two heterogeneous networks (such as WCDMACS territory network and WLAN network).
Specifically, the mutual schematic diagram of signaling as shown in Figure 4, UEf calls out the carrying path process of establishing of UEc, comprising:
Step 401, UEf send PS territory business to IMS core net equipment and set up request, and the business request of setting up of described PS territory carries described UEf and identifies and UEc mark. Described PS territory business is set up request forward to single connection server after receiving the business foundation request of described PS territory by described IMS core net equipment.
Step 402, single connection server send the inquiry request carrying described UEc and identifying to multi-link server.
Step 403, described multi-link server identify according to described UEc, inquire about the networked information that described UEc registers, and return, to described single connection server, the inquiry response carrying described networked information.
If the connection state that the described networked information of step 404 comprises is access PS territory and CS territory network multi-link, then described PS territory business is set up request forward to described multi-link server by described single connection server.
The UEc mark that step 405, described multi-link server carry according to the request of setting up of described PS territory business, inquires about the networked information that described UEc registers, and obtains the network element device mark of the access CS territory network that described networked information comprises, i.e. mobile core net equipment; And it is retrieved as the caller side PS field communication resource that described UEf is reserved.
Step 406, described multi-link server send, to described UEc, the called side branch PS territory business carrying caller side PS field communication resource by IMS core net equipment and set up request.
Step 406 ', the UEc called side branch PS territory business that returns the PS territory session description information SDP-C carrying UEc to described multi-link server by described IMS core net equipment set up response.
The mark of the network element device of the access CS territory network that the networked information that step 407, multi-link server are registered according to described UEc comprises, by described IMS core net equipment to the network element device of the mark correspondence of described network element device, i.e. mobile core net equipment, sending CS territory, called side business and set up request, the CS territory business request of setting up of described called side carries described caller side PS field communication resource. Described mobile core net equipment generates the CS territory session description information SDP-MGW-C of UEc, and CS territory, described called side business is set up request forward to UEc.
Step 407 ', UEc receive after CS territory, described called side business sets up request, return to described mobile core net equipment and carry CS territory, the called side business that described UEc identifies and set up response. Described mobile core net equipment sets up the CS territory session description information SDP-MGW-C of the described UEc writing generation in response in CS territory, described called side business, and sends it to described multi-link server by described IMS core net equipment.
Step 408, described multi-link service are retrieved as the reserved called side PS field communication resource of described UEc and called side CS field communication resource.
Step 404 ', described multi-link server send to described single connection server carry UEf mark, the PS territory business of described called side PS field communication resource and called side CS field communication resource set up response. Described PS territory business is set up response by described IMS core net equipment and is forwarded to described UEf by described single connection server.
Here it should be understood that above-described embodiment four illustrate only the single connection terminal that calling terminal is the physical interface access PS territory network provided by wireless broadband network (such as WLAN etc.), called terminal is the multi-link terminal that the physical interface that two heterogeneous networks (such as WCDMACS territory network and WLAN network) provide accesses PS territory and CS territory network.In fact, described calling terminal can also be the single connection terminal of the PS territory network that the physical interface provided by wired broadband network (such as ADSL network) is accessed. Described called terminal can also be the multi-link terminal that the physical interface provided by two heterogeneous networks (such as ADSL network and PSTN network) accesses PS territory and CS territory network, such as the UEd in Fig. 1. Now described UEd accesses the network element device of CS territory network is the fixing core net equipment 3 of PSTN. Therefore, when UEf calls out UEd, the net equipment of mobile core described in above-described embodiment four changing the fixing core net equipment of PSTN into, other steps are identical, repeat no more herein.
It should be understood that for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the application is not by the restriction of described sequence of operation, because according to the application, some step can adopt other orders or carry out simultaneously. Secondly, those skilled in the art also should know, the embodiment described in specification sheets all belongs to preferred embodiment, and involved action and module might not be that the application is necessary.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can be completed by the hardware that programmed instruction is relevant. Aforesaid program can be stored in a computer read/write memory medium. This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage media comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
As shown in Figure 5, the structural representation of the multi-link server that the embodiment of the present invention five provides. As shown in Figure 5, multi-link server described in the present embodiment comprises: module 12 is set up in the first receiver module 10, inquiry module 11 and path. Wherein, the inquiry request carrying called terminal mark that described first receiver module 10 sends for receiving single connection server, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark. Described inquiry module 11 is for according to described called terminal mark, inquiring about the networked information of described called terminal registration, and return, to described single connection server, the inquiry response carrying described networked information. The described PS territory business that described first receiver module 10 also forwards for receiving described single connection server sets up request, and to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link. Described path set up module 12 for according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
The present embodiment is by improving single connection server of the prior art, so that single connection server is after receiving the PS territory business foundation request that terminal sends, obtain the networked information of called terminal, when knowing that described called terminal is multi-link terminal according to described networked information, described PS territory business is set up the multi-link server newly established in request forward to communication system, with allow described multi-link server set up and calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.Relatively prior art, the embodiment of the present invention establishes many carrying paths between calling terminal and called terminal, carrying path, CS territory and the advantage in carrying path, PS territory be can fully utilize, it is to increase communication quality, calling terminal and the total cost communicated between called terminal reduced.
Further, the called terminal mark of module specifically for carrying is set up in path described in above-described embodiment according to the request of setting up of described PS territory business, inquire about the networked information of described called terminal registration, obtain the network element device mark of the access CS territory network that described networked information comprises; It is retrieved as the caller side PS field communication resource that described calling terminal is reserved; Generate PS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and set up request; The PS territory business request of setting up of described called side is sent to described called terminal, so that described called terminal returns PS territory, corresponding called side business sets up response; Generate CS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and set up request; The business request of setting up in CS territory, described called side is sent to network element device corresponding to described network element device mark, so that CS territory, described called side business is set up request forward to described called terminal by described network element device; CS territory, the called side business receiving the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device that CS territory, described called side business sets up response; Set up request according to described PS territory business, it is retrieved as the reserved called side PS field communication resource of described called terminal and called side CS field communication resource; Send the PS territory business carrying described calling terminal identification, described called side PS field communication resource and called side CS field communication resource to described single connection server and set up response, so that described PS territory business is set up response by described single connection server is forwarded to described calling terminal.
Again further, multi-link server described in above-described embodiment five also comprises: decomposing module and/or integrate module. Wherein, the multi-media information that described decomposing module is sent by carrying path, PS territory, described caller side for receiving described calling terminal, it is the video information and the audio-frequency information that carry identical services mark by described multi-media information decomposition, and described video information is sent to described called terminal by carrying path, PS territory, described called side, audio-frequency information is sent to described called terminal by carrying path, CS territory, described called side. The video information carrying service identification that described integration module is sent by carrying path, PS territory, described called side for receiving described called terminal, receive the audio-frequency information carrying service identification that described called terminal is sent by carrying path, CS territory, described called side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described calling terminal by carrying path, PS territory, described caller side.
Again further, the multi-link server described in above-described embodiment, also comprises: binding module, statistics module and generation module. Wherein, described binding module, for binding carrying path, PS territory, described caller side, carrying path, PS territory, described called side and carrying path, CS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, PS territory, described called side and CS territory, described called side carrying path tag are identical is identified.The information such as length when described statistics module has the carrying path, PS territory, caller side of same call mark, carrying path, PS territory, called side and called side CS territory carrying path data traffic and resource occupation for adding up. Described generation module is used for according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information.
Again further, multi-link server described in above-described embodiment also comprises: the 2nd receiver module and register update module. Wherein, described 2nd receiver module, for receiving registration or the lastest imformation that terminal sends, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and access PS territory and/or CS territory network. Described register update module is for identifying according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.
As shown in Figure 6, the structural representation of the single connection server that the embodiment of the present invention six provides. as shown in Figure 6, single connection server described in the present embodiment comprises: receiver module 20 and sending module 21. the PS territory business that wherein said receiver module 20 sends for receiving calling terminal sets up request, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark. the inquiry request that described sending module 21 carries called terminal mark for sending to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information, when the connection state that described networked information comprises is access PS territory and during CS territory network multi-link, described PS territory business is set up request forward to described multi-link server, so that described multi-link server sets up request according to described PS territory business, carrying path, PS territory, caller side between foundation and described calling terminal, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
The present embodiment is by improving single connection server of the prior art, so that single connection server is after receiving the PS territory business foundation request that terminal sends, obtain the networked information of called terminal, when knowing that described called terminal is multi-link terminal according to described networked information, described PS territory business is set up the multi-link server newly established in request forward to communication system, with allow described multi-link server set up and calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side. Relatively prior art, the embodiment of the present invention establishes many carrying paths between calling terminal and called terminal, carrying path, CS territory and the advantage in carrying path, PS territory be can fully utilize, it is to increase communication quality, calling terminal and the total cost communicated between called terminal reduced.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, certain embodiment there is no the part described in detail, it is possible to see the associated description of other embodiments.
Last it is noted that above each embodiment is only in order to illustrate the technical scheme of the present invention, it is not intended to limit;Although with reference to foregoing embodiments to invention has been detailed description, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technology feature is carried out equivalent replacement; And these amendments or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (5)
1. a carrying path establishment method, it is characterised in that, comprising:
Multi-link server receives the inquiry request carrying called terminal mark that single connection server sends, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Described multi-link server identifies according to described called terminal, inquires about the networked information of described called terminal registration, and returns, to described single connection server, the inquiry response carrying described networked information;
Described multi-link server receives the described PS territory business that described single connection server forwards and sets up request, and to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link;
Described multi-link server according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side;
Described multi-link server according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side, comprising:
The called terminal mark that described multi-link server carries according to the request of setting up of described PS territory business, inquires about the networked information of described called terminal registration, obtains the network element device mark of the access CS territory network that described networked information comprises;
Described multi-link server is retrieved as the reserved caller side PS field communication resource of described calling terminal;
Described multi-link server generates PS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and sets up request;
The PS territory business request of setting up of described called side is sent to described called terminal by described multi-link server, so that described called terminal returns PS territory, corresponding called side business sets up response;
Described multi-link server generates CS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and sets up request;
The business request of setting up in CS territory, described called side is sent to network element device corresponding to described network element device mark by described multi-link server, so that CS territory, described called side business is set up request forward to described called terminal by described network element device;
CS territory, the called side business that described multi-link server receives the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device that CS territory, described called side business sets up response;
Described multi-link server sets up request according to described PS territory business, is retrieved as the reserved called side PS field communication resource of described called terminal and called side CS field communication resource;
Described multi-link server sends the PS territory business carrying described calling terminal identification, described called side PS field communication resource and called side CS field communication resource and sets up response to described single connection server, so that described PS territory business is set up response by described single connection server is forwarded to described calling terminal;
Described multi-link server according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side after, also comprise:
Described multi-link server receives the video information carrying service identification that described called terminal is sent by carrying path, PS territory, described called side, receive the audio-frequency information carrying service identification that described called terminal is sent by carrying path, CS territory, described called side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described calling terminal by carrying path, PS territory, described caller side;
Described multi-link server according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side after, also comprise:
Described multi-link server binds carrying path, PS territory, described caller side, carrying path, PS territory, described called side and carrying path, CS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, PS territory, described called side and CS territory, described called side carrying path tag are identical is identified;
Described multi-link server statistics is long when having carrying path, PS territory, caller side, carrying path, PS territory, called side and called side CS territory carrying path data traffic and the resource occupation that same call identifies;
Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information;
Described carrying path establishment method also comprises:
Described multi-link server receives registration or the lastest imformation that terminal sends, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and access PS territory and/or CS territory network;
Described multi-link server identifies according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.
2. a carrying path establishment method, it is characterised in that, comprising:
Single connection server receives the PS territory business foundation request that calling terminal sends, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Described single connection server sends the inquiry request carrying called terminal mark to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information;
If the connection state that described networked information comprises is access PS territory and CS territory network multi-link, then described PS territory business is set up request forward to described multi-link server by described single connection server, so that described multi-link server sets up request according to described PS territory business, set up and described calling terminal between carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
3. a multi-link server, it is characterised in that, comprising:
First receiver module, for receiving the inquiry request carrying called terminal mark that single connection server sends, described inquiry request is that described single connection server sends after the PS territory business receiving calling terminal transmission sets up request, wherein, the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Inquiry module, for according to described called terminal mark, inquiring about the networked information of described called terminal registration, and return, to described single connection server, the inquiry response carrying described networked information;
Described first receiver module, the described PS territory business also forwarded for receiving described single connection server sets up request, and to be described single connection server forward the request of setting up of described PS territory business when the connection state that described networked information comprises is access PS territory and CS territory network multi-link;
Module is set up in path, for according to described PS territory business set up request, set up and described calling terminal between carrying path, PS territory, caller side, and and called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side;
Module is set up in described path, specifically for the called terminal mark carried according to the request of setting up of described PS territory business, inquires about the networked information of described called terminal registration, obtains the network element device mark of the access CS territory network that described networked information comprises; It is retrieved as the caller side PS field communication resource that described calling terminal is reserved; Generate PS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and set up request; The PS territory business request of setting up of described called side is sent to described called terminal, so that described called terminal returns PS territory, corresponding called side business sets up response; Generate CS territory, the called side business carrying described called terminal mark and described caller side PS field communication resource and set up request; The business request of setting up in CS territory, described called side is sent to network element device corresponding to described network element device mark, so that CS territory, described called side business is set up request forward to described called terminal by described network element device; CS territory, the called side business receiving the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device that CS territory, described called side business sets up response; Set up request according to described PS territory business, it is retrieved as the reserved called side PS field communication resource of described called terminal and called side CS field communication resource; Send the PS territory business carrying described calling terminal identification, described called side PS field communication resource and called side CS field communication resource to described single connection server and set up response, so that described PS territory business is set up response by described single connection server is forwarded to described calling terminal;
Described multi-link server also comprises:
Integrate module, for receiving the video information carrying service identification that described called terminal is sent by carrying path, PS territory, described called side, receive the audio-frequency information carrying service identification that described called terminal is sent by carrying path, CS territory, described called side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described calling terminal by carrying path, PS territory, described caller side;
Described multi-link server also comprises:
Binding module, for binding carrying path, PS territory, described caller side, carrying path, PS territory, described called side and carrying path, CS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, PS territory, described called side and CS territory, described called side carrying path tag are identical is identified;
Statistics module is long during for adding up carrying path, PS territory, caller side, carrying path, PS territory, called side and the called side CS territory carrying path data traffic and resource occupation with same call mark;
Generation module, for according to statistics, the business generating described calling terminal and described called terminal uses information and service charging information;
Described multi-link server also comprises:
2nd receiver module, for receiving registration or the lastest imformation that terminal sends, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and access PS territory and/or CS territory network;
Register update module, for identifying according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.
4. a single connection server, it is characterised in that, comprising:
Receiver module, the PS territory business sent for receiving calling terminal sets up request, and the business request of setting up of described PS territory carries described calling terminal identification and called terminal mark;
Sending module, the inquiry request carrying called terminal mark for sending to multi-link server, so that the networked information of described multi-link server inquiry described called terminal registration, and return the inquiry response carrying described networked information, when the connection state that described networked information comprises is access PS territory and during CS territory network multi-link, described PS territory business is set up request forward to described multi-link server, so that described multi-link server sets up request according to described PS territory business, carrying path, PS territory, caller side between foundation and described calling terminal, and and described called terminal between carrying path, PS territory, called side and carrying path, CS territory, called side.
5. a communication system, it is characterised in that, comprising: the multi-link server described in the claims 3 and the single connection server described in the claims 4.
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| CN101420657A (en) * | 2007-10-22 | 2009-04-29 | 华为技术有限公司 | Method for message transmission between heterogeneous networks and apparatus thereof |
| CN101494648A (en) * | 2009-02-03 | 2009-07-29 | 深圳华为通信技术有限公司 | Medium transfer method between terminal equipment, and network equipment |
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| CN101371532A (en) * | 2006-01-23 | 2009-02-18 | 三星电子株式会社 | Method and apparatus for handling ims terminal's call request including request for real-time service received over ims domain by csi terminal |
| CN101420657A (en) * | 2007-10-22 | 2009-04-29 | 华为技术有限公司 | Method for message transmission between heterogeneous networks and apparatus thereof |
| CN101494648A (en) * | 2009-02-03 | 2009-07-29 | 深圳华为通信技术有限公司 | Medium transfer method between terminal equipment, and network equipment |
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