CN101212385B - Trunked network interconnecting method and system - Google Patents
Trunked network interconnecting method and system Download PDFInfo
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- CN101212385B CN101212385B CN200610169709XA CN200610169709A CN101212385B CN 101212385 B CN101212385 B CN 101212385B CN 200610169709X A CN200610169709X A CN 200610169709XA CN 200610169709 A CN200610169709 A CN 200610169709A CN 101212385 B CN101212385 B CN 101212385B
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Abstract
The invention relates to a method for interconnecting cluster networking, which includes the following steps: A. a cluster subnet consists of a cluster wireless node, a dispatch unit, a cluster location register and cluster interconnection nodes; B. a plurality of cluster subnets are interconnected through the cluster interconnection nodes. In addition, the invention also provides a system for interconnecting the cluster networking, which comprises a plurality of cluster subnets which are interconnected. The cluster subnet comprises a cluster wireless node, a dispatch unit, a cluster locationregister and cluster interconnection nodes; the plurality of cluster subnets are interconnected through the cluster interconnection nodes. The invention can meet the requirements on interconnection between the cluster subnets in a totally distributed cluster network, simplify network interface mode and accelerate establishing speed of a call.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of trunked network interconnecting method and system.
Background technology
As shown in Figure 1, be third generation collaborative project (3GPP, 3
RdGeneration partnership project) the R4 stage of system typical case networking schematic diagram.The characteristics of this networking are: base station sub-system (BSS, basestation subsystem) and radio network controller (RNC, Radio Network Controller) respectively by E1 and asynchronous transfer mode (ATM, Asynchronous TransferMode) is linked in the media gateway (MGW, Media Gate Way); MGW is by E1 and Public Switched Telephony Network (PSTN, Public Switched Telephone Network) intercommunication; Connect by IP backbone between the MGW, form bearer network, the traffic that UNICOM is mutual; Mobile services switching centre server (MSC-Server, Mobile services Switching Center-Server) also needs to connect with IP backbone, transmits the signaling between MSCServer and other network elements.
The flow process of calling out based on the inter-network in the aforementioned networking (promptly striding two MSC-Server) is described below:
A, caller stage:
As shown in Figure 2, be public network caller stage schematic diagram.
1, the calling subscriber is in the ownership scope of VMSCA, and the call setup indication is sent to VMSCA;
2, VMSCA goes out calling check, sends out call request (SIFOC, Send Information Outgoing Call) to Visited Location Registor (VLR, Visitor LocationRegister) A;
3, after calling check passes through, analyzing called number, stride innings call setup indication and send initial address message (IAM, Initializtion Address Message) to called subscriber's gateway exchange gateway mobile services switching centre (GMSC, Gateway Mobile services Switching Center).
B, calling route and called stage:
As shown in Figure 3, call out route and called stage schematic diagram for public network.
1, GMSCB receives the routing inquiry process that makes a call after the IAM message, to called subscriber place attaching position register (HLR, Home Location Register) B sends routing iinformation (SRI, SendRouting Information) message to obtain roaming number;
2, VMSCB/VLRB distributes roaming number for this calling to the called subscriber, roaming number is at the acknowledgement messaging (PRN that Provides Roaming Number, provide roaming number) bring HLRB in the Ack message, HLRB brings GMSCB by SRI Ack with it, and application roaming number process finishes;
3, GMSCB is called with roaming number, initiates the setup requests to VMSCB;
4, VMSCB begins into calling check, transmits into call request (SIFIC, SendInformation Incoming Call) to VLRB;
5, go into calling check and pass through, then VMSCB makes a call to called mobile phone and sets up process.
Yet also there is following shortcoming in above-mentioned prior art:
1, network interface mode complexity, and need IP, NO.7 backbone network to support;
2, calling procedure need be inquired about attaching position register;
3, calling procedure needs the roaming number that the VMSCB/VLRB at called subscriber place distributes inter-network to call out.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of trunked network interconnecting method and system, can simplify the network interface mode, improves call establishment speed.
The technical scheme that realizes the object of the invention is as follows:
A kind of trunked network interconnecting method may further comprise the steps:
A, constitute the cluster subnet by cluster wireless node, scheduling unit, cluster position register and cluster interlink node;
B, realize interconnected between several cluster subnets by the cluster interlink node.
Preferably, described scheduling unit comprises several dispatching desks and a colony dispatching center; Described dispatching desk is used for the user is carried out scheduling controlling and service management, and described control centre is used for the required management information of memory scheduling platform, reaches the access of dispatching desk and nullifies management.
Preferably, described cluster interlink node is control and the interaction center between the cluster subnet, in order to realize striding the voice and data call of cluster net.
Preferably, in the described cluster interlink node storage and administrative institute at the position of the home subscriber of cluster subnet and state information and the subscription data that roams to the roamer of this cluster subnet from other cluster subnet.
Preferably, all business of striding between the cluster subnet are all realized forwards and are called out route by the cluster interlink node of cluster subnet.
Preferably, basic CAMEL-Subscription-Information, position and the state information of described cluster position register-stored cluster user, group information, VPN information provide authorization data.
Preferably, described cluster wireless node storage dynamic data base is preserved the relevant information of netting interior user.
A kind of cluster networking interconnected systems, the cluster subnet is interconnected forms by several, and this cluster subnet comprises cluster wireless node, scheduling unit, cluster position register and cluster interlink node; Realize interconnected by the cluster interlink node between described cluster subnet.
Preferably, described scheduling unit comprises several dispatching desks and a colony dispatching center; Described dispatching desk is used for the user is carried out scheduling controlling and service management, and described control centre is used for the required management information of memory scheduling platform, reaches the access of dispatching desk and nullifies management.
Preferably, described dispatching desk is wired dispatching desk or wireless dispatching platform.
Preferably, described wired dispatching desk is local wired dispatching desk or long-range wired dispatching desk.
Preferably, described cluster interlink node is control and the interaction center between the cluster subnet, is used to handle the voice and data call of striding the cluster net.
Preferably, in the described cluster interlink node storage and administrative institute at the position of the home subscriber of cluster subnet and state information and the subscription data that roams to the roamer of this cluster subnet from other cluster subnet.
Preferably, described cluster interlink node is used for all and strides the forwarding of service message between the cluster subnet and the calling route is provided.
Preferably, basic CAMEL-Subscription-Information, position and the state information of described cluster position register-stored cluster user, group information, VPN information provide authorization data.
Preferably, described cluster wireless node stores the dynamic data base that is used to preserve user related information in the net.
A kind of calling method for searching route based on aforementioned system, calling terminal is in the first cluster subnet, and terminal called is in the second cluster subnet, carries out according to following steps:
The first cluster wireless node of the caller place first cluster subnet is checked called number, and sends route request information to the first cluster interlink node;
The described first cluster interlink node is judged called number, according to the home type of terminal called, to the second cluster interlink node transmission routing inquiry message of the second cluster subnet;
After the described second cluster interlink node is received routing inquiry message, inquire about the second cluster wireless address of node of the called place second cluster subnet, and this address information is included in feeds back to the first cluster wireless node in the route requests response message, the routing inquiry process finishes.
Compared with prior art, the present invention has following beneficial effect:
The invention provides a kind of network interconnection method and system, satisfy the full demand for interconnection between the cluster subnet in the cluster network that disperses.
The cluster subnet inside that the present invention proposes is by several cluster wireless nodes, several dispatching desks and the scheduling unit that the colony dispatching center constitutes, a cluster position register, cluster interlink node constitutes, and interconnected between the cluster subnet finished by the cluster interlink node.Because this system does not have centralization, therefore, has greatly improved the reliability of system, has dwindled the fault incidence of system.
In addition, storage and administrative institute roam to the roamer's of this cluster subnet subscription data in the cluster interlink node in the position of the home subscriber of cluster subnet and state information, from other cluster subnet.Because all business of striding between the cluster subnet all must be finished forwards by the interlink node of cluster subnet, be called out route.Therefore, in finishing the call flow of striding the cluster subnet, call out the routing inquiry process and need not the participation of cluster position register, and need not to distribute roaming number to realize the inter-network calling, thereby also improved call establishment speed.In addition, cluster network this locality of roaming was interconnected a little less than the present invention disperseed the cluster internet also relatively to be fit to entirely.
Below in conjunction with the drawings and specific embodiments the present invention is further described.
Description of drawings
Fig. 1 is the R4 stage typical case networking schematic diagram of prior art 3GPP system;
Fig. 2 is a prior art public network caller stage schematic diagram;
Fig. 3 is that the prior art public network is called out route and called stage schematic diagram;
Fig. 4 is that the present invention disperses digital colony network interconnected method flow chart entirely;
Fig. 5 is that the present invention disperses the interconnected logical topology figure of digital colony network entirely;
Fig. 6 is that the present invention disperses the interconnected physical topology figure of digital colony network entirely;
Fig. 7 is calling route and the call establishment schematic diagram that one of embodiment of the invention is striden the cluster subnet;
Fig. 8 be two users of the embodiment of the invention from ownership cluster net to non-attribution cluster net start-up logging process schematic diagram.
Embodiment
As shown in Figure 4, be trunked network interconnecting method flow chart of the present invention, may further comprise the steps:
Described scheduling unit can have several dispatching desks and a colony dispatching center to constitute, and wherein: dispatching desk is the equipment that user of mobile station is carried out scheduling controlling and service management, and access interface is provided, and mainly finishes the dispatch control of trunked call.Dispatching control center is the access and the control centre of dispatching desk in the digital colony network, and the required management information of memory scheduling platform, for dispatching desk is realized login and cancellation, and condition managing, ordinary call, urgent call, functions such as careful monitoring provide the entity support.
The cluster position register is for realizing that clustering functionality has increased corresponding database newly.This database has following function: basic CAMEL-Subscription-Information, the PoC (PTT of storage cluster user, Push To Talk) service profile, positional information, state information, group information, VPN information, authorization data is provided, cooperates TRN and TIN to realize the mobile management and the call-handling capability of cluster user.
Cluster interlink node (TIN, Trunking Interworking Node) is control and the interaction center between digital trunk network, and the voice and data call of cluster net is striden in responsible processing.Storage and administrative institute roam to the roamer's of this cluster subnet subscription data in the cluster interlink node in the position of the home subscriber of cluster subnet and state information, from other cluster subnet.Because all business of striding between the cluster subnet all must be finished forwards by the interlink node of cluster subnet, be called out route.Therefore, in finishing the call flow of striding the cluster subnet, call out the routing inquiry process and need not the participation of cluster position register, and need not to distribute roaming number to realize the inter-network calling.
As illustrated in Figures 5 and 6, the cluster subnet inside that the present invention proposes is by several cluster wireless nodes, several dispatching desks and the scheduling unit that the colony dispatching center constitutes, a cluster position register, cluster interlink node constitutes, and interconnected between the cluster subnet finished by the cluster interlink node.
Wherein, cluster wireless node (TRN, Trunking Radio Node) be the core network element of digital cluster system, be responsible for wireless access, allocation of radio resources and management, wireless measurement, start-up logging, position renewal and switching, voice and data call, right of speech management, traffic queuing and distribution, scheduling controlling, signaling process, resource management, medium control, safe and secret, VPN (VPN, Virtual PrivateNetwork), charging and network management etc.Wherein, the cluster wireless intranodal has the dynamic data base of similar VLR, preserves the various information of user in the net.
Dispatching desk is the equipment that user of mobile station is carried out scheduling controlling and service management, mainly finishes the dispatch control of trunked call.Different according to transmission link type between dispatching desk and the system, dispatching desk can be divided into wired dispatching desk and wireless dispatching platform.Wired dispatching desk can be divided into local wired dispatching desk and long-range wired dispatching desk again.
Dispatching control center is the access and the control centre of dispatching desk in the digital colony network.Dispatching desk provides access interface, and the required management information of memory scheduling platform, for dispatching desk is realized login and cancellation, and condition managing, ordinary call, urgent call, functions such as careful monitoring provide the entity support.
The cluster position register is for realizing that clustering functionality has increased corresponding database newly.Has following function: basic CAMEL-Subscription-Information, PTT service profile, positional information, state information, group information, the VPN information of storage cluster user, authorization data is provided, cooperates TRN and TIN to realize the mobile management and the call-handling capability of cluster user.
The cluster interlink node is control and the interaction center between digital trunk network, and the voice and data call of cluster net is striden in responsible processing.The concrete function that the cluster interlink node is responsible for has: scheduling controlling and management between data route, net between session control and processing, net between internetwork roaming, net, signaling process, resource management, safe and secret, charging and network management etc.
In addition, storage and administrative institute roam to the roamer's of this cluster subnet subscription data in the cluster interlink node in the position of the home subscriber of cluster subnet and state information, from other cluster subnet.Because all business of striding between the cluster subnet all must be finished forwards by the interlink node of cluster subnet, be called out route.Therefore, in finishing the call flow of striding the cluster subnet, call out the routing inquiry process and need not the participation of cluster position register, and need not to distribute roaming number to realize the inter-network calling.
Below, illustrate and adopt the present invention to disperse the Digital Clustering internet to realize call flow between the cluster subnet entirely.
Suppose that the calling subscriber is in cluster wireless node 1, the called subscriber is in cluster wireless node 2, and cluster wireless node 1 belongs to different cluster subnets respectively with cluster wireless node 2.
As shown in Figure 7, the calling route and the call establishment of striding the cluster subnet is described as follows:
1) 1 pair of called number of the cluster wireless node of caller place cluster subnet 1 is analyzed, find that called UE is the user of non-cluster subnet or roams out this cluster subnet (this customer position information of cluster wireless intranodal is the address of the cluster interlink node of Home Network), cluster wireless node 1 finish calling check after, send route request information to cluster interlink node 1, have the address of cluster wireless node 1 and the address of cluster interlink node 1 in the message, cluster interlink node 1 analyzing called number, if called is the user of cluster subnet 2, then cluster interlink node 1 sends routing inquiry message to cluster interlink node 2, has cluster interlink node 1 address and cluster interlink node 2 addresses in the message.If the called subscriber roams to cluster subnet 2 for Home Network, then there is the address of the cluster interlink node 2 of called place cluster subnet 2 in the cluster interlink node 2.The same routing inquiry message that sends is to cluster interlink node 2.
2) after cluster interlink node 2 is received routing inquiry message, the address of the cluster interlink node 2 of inquiry called subscriber place cluster subnet 2, in inquiry route requests response message the address of cluster wireless node 2 is taken back to cluster wireless node 1, the routing inquiry process finishes.
3)-5) process is identical with prior art with the internodal call establishment of cluster wireless, so locate to repeat no more.
Again as shown in Figure 8, for adopting the implementation procedure of user from ownership cluster net to non-attribution cluster net start-up logging in the cluster of the present invention internet.
The start-up logging when user moves to non-attribution cluster net from ownership cluster net, the ownership cluster network of supposing the user is a cluster subnet 1, the non-attribution cluster network is a cluster subnet 2.
Detailed process is as follows:
1) UE enters into the non-attribution cluster network, user's start, and UE sends to the vTRN of sub-district, visited network place and adheres to request, has user ID in the message;
2) a) TRN checks user ID, finds that the user is not this network users, then sends authentication message to obtain user's authorization data to vTIN, and vTIN is equivalent to the agency of other networks TLR;
B) vTIN analysis user sign, the information of acquisition user attaching network is transmitted authentication message to the hTIN of user attaching network;
C)-e) hTIN transmits authentication message to hTLR, obtains user's authentication parameter and is transmitted to vTIN from hTLR;
F) vTIN issues vTRN with the authentication parameter that obtains;
3) vTRN carries out authentication to UE, and network also will be provided with encryption mode;
4) a) after the authentication success, vTRN sends Data Update message to vTIN, wherein has user ID (IMSI), vTRN address etc.;
B) vTIN changes the address information in the Data Update message address of vTIN into, and forwards is arrived the hTIN of user attaching network;
C) hTIN increases the address of hTIN in Data Update message, and with the TLR of forwards to the user attaching network;
5) a) TLR checks that user's roaming limits, if allow the roamer, TLR is recorded as hTIN with customer position information, and the address of record vTIN, and sends data deletion message to old TRN;
B) user record in the old TRN delete database, and to TLR return data deletion response message;
6) a) TLR sends to hTIN and inserts subscriber data message, and user's subscription data is issued hTIN;
B) hTIN transmits to vTIN and inserts subscriber data message;
C) subscription data of vTIN recording user, and to vTRN forwarding insertion subscriber data message;
D) subscription data of recording user among the vTRN, and send out to vTIN and to insert the user data response message;
E)-f) vTIN will insert the user data response and be transmitted to hTIN, and hTIN transmits message and gives TLR.
7) a) after TLR receives the insertion user data response of success, can send of the response of Data Update response message to hTIN as Data Update message;
B) hTIN writes down the vTIN address as user position information, and transmits the Data Update response message to vTIN;
C) vTIN writes down the vTRN address as user position information, and transmits the Data Update response message to vTRN.
8) receive the Data Update response message of success, TRN sends message attachment to UE and accepts, and wherein has for the newly assigned P-TMSI of UE (if distributed new P-TMSI for UE).
9) if P-TMSI has changed, UE will send to adhere to and finish message and respond and receive P-TMSI to vTRN.
10) after the user position update success, hTLR carries out and upgrades the location data process and upgrade the User Status data procedures, with other network element sync correlation data in network.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (7)
1. a trunked network interconnecting method is characterized in that, may further comprise the steps:
A, constitute the cluster subnet by cluster wireless node, scheduling unit, cluster position register and cluster interlink node;
B, realize interconnected between several cluster subnets by the cluster interlink node;
Wherein, described scheduling unit comprises several dispatching desks and a colony dispatching center; Described dispatching desk is used for the user is carried out scheduling controlling and service management, and described control centre is used for the required management information of memory scheduling platform, reaches the access of dispatching desk and nullifies management;
Described cluster interlink node is control and the interaction center between the cluster subnet, in order to realize striding the voice and data call of cluster net; Storage and administrative institute are at the position of the home subscriber of cluster subnet and state information and the subscription data that roams to the roamer of this cluster subnet from other cluster subnet in the described cluster interlink node;
Basic CAMEL-Subscription-Information, position and the state information of described cluster position register-stored cluster user, group information, VPN information provide authorization data;
Described cluster wireless node storage dynamic data base is preserved the relevant information of netting interior user.
2. the method for claim 1 is characterized in that: all business of striding between the cluster subnet are all realized forwards and are called out route by the cluster interlink node of cluster subnet.
3. a cluster networking interconnected systems is characterized in that, the cluster subnet is interconnected forms by several, and this cluster subnet comprises cluster wireless node, scheduling unit, cluster position register and cluster interlink node; Realize interconnected by the cluster interlink node between described cluster subnet;
Wherein, described scheduling unit comprises several dispatching desks and a colony dispatching center; Described dispatching desk is used for the user is carried out scheduling controlling and service management, and described control centre is used for the required management information of memory scheduling platform, reaches the access of dispatching desk and nullifies management;
Described cluster interlink node is control and the interaction center between the cluster subnet, in order to realize striding the voice and data call of cluster net; Storage and administrative institute are at the position of the home subscriber of cluster subnet and state information and the subscription data that roams to the roamer of this cluster subnet from other cluster subnet in the described cluster interlink node;
Basic CAMEL-Subscription-Information, position and the state information of described cluster position register-stored cluster user, group information, VPN information provide authorization data;
Described cluster wireless node storage dynamic data base is preserved the relevant information of netting interior user.
4. system as claimed in claim 3 is characterized in that: described dispatching desk is wired dispatching desk or wireless dispatching platform.
5. system as claimed in claim 4 is characterized in that: described wired dispatching desk is local wired dispatching desk or long-range wired dispatching desk.
6. system as claimed in claim 3 is characterized in that: described cluster interlink node is used for all and strides the forwarding of service message between the cluster subnet and the calling route is provided.
7. the calling method for searching route based on the described system of claim 3 is characterized in that, calling terminal is in the first cluster subnet, and terminal called is in the second cluster subnet, carries out according to following steps:
The first cluster wireless node of the caller place first cluster subnet is checked called number, and sends route request information to the first cluster interlink node;
The described first cluster interlink node is judged called number, according to the home type of terminal called, to the second cluster interlink node transmission routing inquiry message of the second cluster subnet;
After the described second cluster interlink node is received routing inquiry message, inquire about the second cluster wireless address of node of the called place second cluster subnet, and this address information is included in feeds back to the first cluster wireless node in the route requests response message, the routing inquiry process finishes.
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| CN106332010B (en) * | 2015-07-03 | 2019-10-22 | 普天信息技术有限公司 | A kind of broadband cluster communication system and its point-to-point call method being classified networking |
| CN110769378A (en) * | 2019-10-30 | 2020-02-07 | 成都中航信虹科技股份有限公司 | Private network communication scheduling device, method and system |
| CN113438641B (en) * | 2020-03-23 | 2023-01-31 | 成都鼎桥通信技术有限公司 | Group processing method, equipment and storage medium |
| CN114640618B (en) * | 2022-03-15 | 2024-03-12 | 平安国际智慧城市科技股份有限公司 | Cluster route scheduling method and device, electronic equipment and readable storage medium |
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| WO2006002576A1 (en) * | 2004-07-06 | 2006-01-12 | Zte Corporation | Digital trunked communication network which supports roaming and method thereof |
| US7072335B1 (en) * | 1998-07-08 | 2006-07-04 | Broadcom Corporation | Method of sending packets between trunk ports of network switches |
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| US7072335B1 (en) * | 1998-07-08 | 2006-07-04 | Broadcom Corporation | Method of sending packets between trunk ports of network switches |
| CN1418021A (en) * | 2001-10-30 | 2003-05-14 | 深圳市中兴通讯股份有限公司 | Modile communicatoin system and its group service realizing method |
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| WO2006002576A1 (en) * | 2004-07-06 | 2006-01-12 | Zte Corporation | Digital trunked communication network which supports roaming and method thereof |
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