CN212660333U

CN212660333U - Cluster interconnection system

Info

Publication number: CN212660333U
Application number: CN202021567078.9U
Authority: CN
Inventors: 张露露; 谌介人; 丁瞻远
Original assignee: CRSC Communication and Information Group Shanghai Co Ltd
Current assignee: CRSC Communication and Information Group Shanghai Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-05
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a cluster interconnection system for the cluster system of different producers or different standard links to each other, realizes the interconnection of cluster system, including session border controller SBC, network node equipment and terminal AP equipment, network node equipment one end links to each other with session border controller SBC, and the other end links to each other with terminal AP equipment, and session border controller SBC, network node equipment and terminal AP equipment are installed respectively in same rack or different racks. Compared with the prior art, the utility model has the advantages of scalability is strong, the degree of dependence to hardware is low, effective saving channel resource, the energy consumption is low, the configuration is more nimble, stability is good, the commonality is strong.

Description

Cluster interconnection system

Technical Field

The utility model belongs to the technical field of the interconnection of track traffic cluster technique of intercommunicating and specifically relates to a cluster interconnection system is related to.

Background

With the maturity of the LTE broadband cluster technology and equipment and the advance of national policies, the LTE broadband cluster conforming to the B-TrunC standard will gradually replace the existing narrowband digital cluster to become the mainstream of industrial applications. The TETRA system coexists with the LTE broadband trunking system during the transition period of the last 10 years, and provides services to users, so the problem of interworking between the TETRA system and the LTE broadband trunking system must be solved. Currently, mainstream TETRA system manufacturers include motorola, eurocopic navigation, ocean energy and the like, and core networks of the companies do not provide interfaces for interconnection and intercommunication externally, so that existing interconnection and intercommunication are connected with other trunking systems after being in butt joint with SIP through a dispatching station API of the TETRA system, or signal terminal equipment is accessed into the trunking system to trigger signal machine group calling through controlling the IO interface and trigger incoming call detection through receiving voice.

The existing cluster interconnection and intercommunication scheme has the following defects:

(1) the use of the API interface of the dispatching desk requires purchasing dispatching equipment and authorization, and is expensive;

(2) when the signal machine terminal equipment is used for access, flexible channel transmission and reception cannot be controlled, reliability is low, characters are easy to miss, and the problem of call maintenance during silent tone cannot be solved;

(3) when the air interface is used for access, the preprogrammed channel machine cannot adjust the channel accessed by the annunciator according to the channel condition of the base station through network control;

(4) the number of the supported concurrences of each interface API or the signal machine terminal equipment is limited, and flexible expansion cannot be realized;

(5) when a plurality of cluster systems are interconnected, the connection configuration and the docking are particularly complicated and the interfaces are diverse.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cluster interconnection system that scalability is strong, the degree of dependence to hardware is low in order to overcome the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

a cluster interconnection and intercommunication system is used for connecting cross-manufacturer and cross-system cluster systems to realize interconnection and intercommunication of the cluster systems and comprises a Session Border Controller (SBC), network node equipment and terminal Access Point (AP) equipment; one end of the network node equipment is connected with the session border controller SBC, and the other end of the network node equipment is connected with the terminal AP equipment; the session border controller SBC, the network node device and the gateway device are respectively installed in the same cabinet or different cabinets.

Preferably, the session border controller SBC is a server for performing session border control.

Preferably, the network node device is a workstation; the network node equipment is provided with a voice processing board card.

Preferably, the terminal AP device is a channel machine device.

More preferably, the AP device accesses an existing cluster system through a wired access or an air interface access.

More preferably, the number of the channel machine devices is several.

Preferably, the interconnection and interworking system is provided with a data transmission network bus; the session border controller SBC is connected to the network node device via a data transmission network bus.

More preferably, the data transmission network bus is an ethernet bus.

More preferably, the interconnection system is provided with a gateway, and the gateway is connected with a data transmission network bus.

More preferably, the gateway is a voice interface gateway.

Compared with the prior art, the utility model has the advantages of it is following:

the method has the advantages of strong expandability: the utility model provides a cluster interconnection intercommunication system's conversation is sent out quantity accessible and is adjusted the quantity of network node equipment and terminal AP equipment and carry out the dilatation concurrently, and the long-range configuration of channel accessible network of terminal AP equipment sends out conversation service quantity unanimous with the quantity of terminal AP equipment, has improved cluster interconnection intercommunication system's scalability greatly

Secondly, the dependence degree on hardware is low: the utility model provides a session border controller SBC among cluster interconnection intercommunication system chooses for use general server hardware equipment, network node equipment chooses for use general commercial workstation or computer, terminal AP equipment can choose for use arbitrary cluster producer's channel machine, device low cost and freely controllable, it is low to the hardware degree of dependence, do not receive cluster producer's authorization restriction, a plurality of channels are monitored to the mode of terminal AP equipment accessible scanning simultaneously, and the mode dialing of accessible signaling realizes the quick initiation of calling, do not influence the device performance when reduce cost.

Channel resources are effectively saved, and energy consumption is low: the utility model provides a cluster interconnection intercommunication system can select the terminal AP equipment that the configuration corresponds under the specific basic station to use the same channel through upper network configuration, can effectual saving channel resource, reduces the consumption of device.

Fourthly, the configuration is more flexible: the utility model provides a different cluster networks can be inserted respectively to the terminal AP equipment that cluster interconnection intercommunication system hung under same network node equipment, and the configuration is more nimble.

Fifthly, good stability: the utility model provides an each network node equipment of cluster interconnection intercommunication system and terminal AP equipment autonomous working, arbitrary equipment trouble does not influence whole function, and other nodes or AP equipment are selected to the accessible signaling and are replaced.

Sixthly, universality is strong: the utility model provides a cluster interconnection intercommunication system provides external universal gateway interface, can connect multiple and other cluster core network gateways or telephone gateway's butt joint, has improved the commonality of device.

Drawings

Fig. 1 is a schematic diagram of a module structure of the cluster interconnection system of the present invention;

fig. 2 is a schematic structural diagram of the cluster interconnection system of the present invention.

The reference numbers in the figures indicate:

1. session border controller SBC, 2, network node device, 3, terminal AP device, 4, gateway, 5, data transmission network bus.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

The structure of the cluster interconnection and intercommunication system is shown in fig. 1 and fig. 2, and the cluster interconnection and intercommunication system includes a session border controller SBC1, a network node device 2, a terminal AP device 3, a gateway 4, and a data transmission network bus 5, where one end of the network node device 2 is connected to the session border controller SBC1, and the other end is connected to the terminal AP device 3. The session border controller SBC1 communicates with the network node device 2 via a data transfer network bus 5, to which the gateway 4 is also connected.

The individual components are described in detail below:

session border controller SBC1

The session Border controller SBC1 is the core of the entire interconnection scheme, is a soft switch solution for telephony, generally selects a general server hardware device, supports multiple communication technology standards, provides routing and interconnection communication protocols, can be conveniently interfaced with other telephone service network PBX systems, supports many advanced SIP features, and can also be used as a transparent proxy for SBC (session Border controller).

The session border controller SBC1 in this embodiment is specifically a server for performing session border control, and is installed in the cabinet shown in fig. 2, and the hardware adopts currently general mainstream server equipment in the market, and generally selects a mainstream highly-configured rack server of hewlett-packard or hua-shi company of a cooperative manufacturer.

Network node equipment 2

The network node device 2 is a communication node in the internet, and is connected to the session border controller SBC1 through the data transmission network bus 5 by connecting to the access point AP device that is hung down through analog audio or digital audio.

The network node device 2 in this embodiment is specifically a commercial workstation, and 8 or 16 analog/digital relay voice processing boards are embedded inside the network node device, and the boards are PCI interface multi-channel repeaters, and commonly used models include D081A, DN081A, D161A, and DN 161A.

In the present embodiment, the network node device 2 is provided with a plurality of control algorithms, including control signaling and SIP signaling conversion control for the terminal AP, audio conversion algorithm, and the like.

Third, terminal AP equipment 3

The terminal AP device 3 in this embodiment is a channel device following a specific cluster access rule, provides a wired or air interface mode to access a cluster network, provides a cluster voice and data channel, and the terminal AP device 3 may be combined and applied by different manufacturers or different models, and is mounted under a network node through wired connection, so as to support any channel device with a secondary development interface. MTM5200 of Motorola of the common TETRA system, TMR880i of Kexindean, Heineda MT680PLUS and the like. The EV751 and the like provided by Huacheng/Ding bridge in common LTE-M system can be selected according to specific use conditions.

The number of the terminal AP devices 3 is several, and the number of the terminal AP devices 3 may be set according to the required concurrent traffic capacity.

Fourth, gateway 4

The gateway 4 is connected to a data transmission network bus 5, in particular a voice interface gateway provided by means of an ethernet.

Five, data transmission network bus 5

The session border controller SBC1 is connected to the network node device 2 through a data transmission network bus 5, and the data transmission network bus 5 in this embodiment is an ethernet bus.

The network node device 2 and the terminal AP device 3 in this embodiment may be installed in the same cabinet as the session border controller SBC1, or may be installed in different cabinets, and different installation manners may be selected according to actual situations.

The session border controller SBC1 is deployed in a control center machine room, provides registration and authentication of client numbers of all network node devices 2 and the terminal AP device 3, connects all network node devices 2 through the signal transmission network 5, and provides gateway interface services to the outside through the gateway 4.

A plurality of network nodes in the network node device 2 are respectively accessed to the session border controller SBC1, wherein a plurality of terminal AP devices 3 are hung down from any node, for example, the access points AP1-1 and AP1-2 shown in fig. 2 are in the first cluster system, the access points AP2-1 and AP2-2 shown in the figure are in the second cluster system, and are connected to the third cluster system through the wired gateway 4.

The user configures the interconnection relationship of channels in a plurality of cluster systems through a management interface of the session border controller SBC1, sends a control signaling to the network node, sets the access points AP1-1 and AP2-1 to scan channels of a plurality of first cluster systems that do not cross each other through the network node device 21, and sets the access points AP2-1 and AP2-2 to scan channels of a plurality of second cluster systems that do not cross each other through the network node device 22.

When the user 1 in the trunking system 1 makes a call, the call is received through the correspondingly scanned access point AP and is transmitted to the network node device 21 through signaling and audio, the network node device 21 relays signaling and voice to the session border controller SBC1, and through configuration in the session border controller SBC1, the network node device 22 is found to control the corresponding AP to initiate a call through signaling and voice relaying, and the user 2 in the trunking system 2 receives the call.

When the user 1 initiates a call in the first cluster system, the border controller SBC of the session relays and forwards a corresponding call signaling and voice to the third-party cluster system, that is, the third cluster system, and automatically initiates a call in the third cluster system to call the user 3.

The number of the communication lines which can be simultaneously and concurrently in the first cluster system corresponds to the number of the access points AP one by one, if the concurrent telephone traffic exceeds the number of the access points AP, the communication is queued, and if the concurrent telephone traffic capacity needs to be increased, the number of the access points AP needs to be increased.

The implementation of the cluster interconnection system in this embodiment includes the following steps:

1. channel associated information in a plurality of cluster systems is configured in the session border controller SBC1, and the network node device 2 can perform pre-writing frequency, voice transceiving control, channel scanning state control and the like on the terminal AP device 3 which is hung down, and a wired voice gateway interface is provided externally;

2. the session border controller SBC1 scans different channel lists respectively for the terminal AP devices 3 under the control of the network node devices 2 in different trunking systems by pre-configuration, so as to monitor multiple call channels in the trunking system.

3. When a user in the trunking system initiates an interconnection call, the terminal AP device 3 in the trunking system receives the call, notifies the network node device 2 in a signaling and voice manner, and initiates the interconnection call to the session border controller SBC1 by the network node device 2.

4. The session border controller SBC1 initiates a call through signaling control by actively passing through the dropped terminal AP device 3 through relaying by the network node device 2 in other cluster systems, thereby implementing an interconnection call.

5. The operating states and channel information of all network node devices 2 and the terminal AP device 3 hanging down provide query and statistical information on the session border controller SBC.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A cluster interconnection and intercommunication system is used for connecting cross-manufacturer and cross-system cluster systems to realize interconnection and intercommunication of the cluster systems and is characterized by comprising a Session Border Controller (SBC) (1), network node equipment (2) and terminal AP equipment (3); one end of the network node equipment (2) is connected with a Session Border Controller (SBC) (1), and the other end is connected with terminal AP equipment (3); and the session border controller SBC (1), the network node equipment (2) and the gateway (4) equipment are respectively installed in the same cabinet or different cabinets.

2. A cluster interconnection and interworking system according to claim 1, characterized in that said session border controller SBC (1) is a server for session border control.

3. A cluster interconnection and interworking system according to claim 1, wherein the network node device (2) is a workstation; the network node equipment (2) is provided with a voice processing board card.

4. A cluster interconnection and interworking system according to claim 1, wherein the terminal AP device (3) is a channel machine device.

5. The cluster interconnection and interworking system according to claim 4, wherein the AP device (3) accesses an existing cluster system by a wired access or an air interface access.

6. The cluster interconnection and interworking system according to claim 4, wherein the number of the channel machine devices is several.

7. A cluster interconnection and interworking system according to claim 1, wherein said interconnection and interworking system is provided with a data transmission network bus (5); the session border controller SBC (1) is connected with the network node equipment (2) through a data transmission network bus (5).

8. A cluster interconnection and interworking system according to claim 7, wherein the data transmission network bus (5) is an Ethernet bus.

9. A cluster interconnection system according to claim 7, characterized in that the interconnection system is provided with a gateway (4), and the gateway (4) is connected to a data transmission network bus (5).

10. A cluster interconnection and interworking system according to claim 9, wherein the gateway (4) is a voice interface gateway.