CN115967742A - Urban railway dispatching communication method, system and cluster - Google Patents

Abstract

The invention discloses a city railway dispatching communication method, a system and a cluster. The method comprises the following steps: transmitting an access request initiated by a calling terminal to an access layer through a ubiquitous network layer; analyzing the access request through the access layer, converting the access request into a standard data packet, and transmitting the standard data packet to the core layer; receiving the standard data packet through the core layer, establishing communication connection between the calling terminal and a called terminal corresponding to the target identification according to the target identification in the standard data packet, and sending a communication connection event to the service application layer; and receiving the communication connection event through a service application layer, and realizing the target communication service between the calling terminal and the called terminal corresponding to the target identification according to a target standard calling mechanism matched with the communication connection event. By the technical scheme, the dispatching and non-dispatching services in urban railway dispatching can be combined, and the service range of dispatching communication is enlarged.

Description

Urban railway dispatching communication method, system and cluster

Technical Field

The invention relates to the technical field of dispatching communication systems, in particular to a city railway dispatching communication method, a city railway dispatching communication system and a city railway dispatching communication cluster.

Background

With the gradual development of the dispatching communication technology in the railway industry, the dispatching communication of the urban railway has greater requirements. In the prior art, the line modulation service and the non-line modulation service cannot be completely fused, so that the service range of scheduling communication is reduced.

However, in order to improve the level of intellectualization of transportation organization, guarantee the social development of passenger and goods service, and promote the modernized construction of operation management, it is very important that the urban railways are used as the link between the current railways and subways and the business of dispatching rows and non-dispatching rows is merged. Therefore, how to combine the local dispatching and non-local dispatching services in urban railway dispatching to improve the service range of dispatching communication is a problem to be solved urgently at present.

Disclosure of Invention

The invention provides a city railway dispatching communication method, a city railway dispatching communication system and a city railway dispatching communication cluster, which can solve the problems that a dispatching service and a non-dispatching service cannot be completely fused, and the service range of dispatching communication is reduced.

According to an aspect of the present invention, there is provided a city railway scheduling communication method, including:

transmitting an access request initiated by a calling terminal to an access layer through a ubiquitous network layer; wherein, the access request comprises communication service and target mark;

analyzing the access request through an access layer, converting the access request into a standard data packet, and transmitting the standard data packet to a core layer;

receiving the standard data packet through the core layer, establishing communication connection between the calling terminal and a called terminal corresponding to the target identification according to the target identification in the standard data packet, and sending a communication connection event to the service application layer;

and receiving the communication connection event through a service application layer, and realizing the target communication service between the calling terminal and the called terminal corresponding to the target identification according to a target standard calling mechanism matched with the communication connection event.

According to another aspect of the present invention, there is provided an urban railway dispatching communication system, comprising:

the ubiquitous network layer is used for transmitting the access request initiated by the calling terminal to the access layer; wherein, the access request comprises communication service and target mark;

the access layer is used for analyzing the access request, converting the access request into a standard data packet and transmitting the standard data packet to the core layer;

the core layer is used for receiving the standard data packet, establishing communication connection between the calling terminal and the called terminal corresponding to the target identifier according to the target identifier in the standard data packet, and sending a communication connection event to the service application layer;

and the service application layer is used for receiving the communication connection event and realizing the target communication service between the calling terminal and the called terminal corresponding to the target identifier according to a target standard calling mechanism matched with the communication connection event.

According to another aspect of the present invention, there is provided an urban railway dispatching communication cluster, comprising:

the calling terminal is used for initiating an access request to the central server; the access request comprises a communication service and a target identifier corresponding to a called terminal;

the central server is used for transmitting an access request initiated by the calling terminal to the access layer through the ubiquitous network layer; wherein, the access request comprises communication service and target identification; analyzing the access request through an access layer, converting the access request into a standard data packet, and transmitting the standard data packet to a core layer; receiving the standard data packet through the core layer, establishing communication connection between the calling terminal and a called terminal corresponding to the target identification according to the target identification in the standard data packet, and sending a communication connection event to the service application layer; receiving a communication connection event through a service application layer, and realizing a target communication service between a calling terminal and a called terminal corresponding to a target identification according to a target standard calling mechanism matched with the communication connection event;

and the called terminal is used for receiving the communication connection sent by the central server and realizing the target communication service with the main terminal.

According to the technical scheme of the embodiment of the invention, the access request initiated by the calling terminal is transmitted to the access layer through the ubiquitous network layer; analyzing the access request through the access layer, converting the access request into a standard data packet, and transmitting the standard data packet to the core layer; receiving a standard data packet through a core layer, establishing communication connection between a calling terminal and a called terminal corresponding to a target identifier according to the target identifier in the standard data packet, and sending a communication connection event to a service application layer; the communication connection event is received through the service application layer, the target communication service between the calling terminal and the called terminal corresponding to the target identification is realized according to a target standard calling mechanism matched with the communication connection event, the problem that the line dispatching service and the non-line dispatching service cannot be completely fused is solved, the line dispatching service and the non-line dispatching service can be completely fused, and the dispatching communication requirements of various service scenes are met.

It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a flowchart of a city railway dispatching communication method according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a urban railway dispatching communication system according to a second embodiment of the present invention;

fig. 3 is a system architecture diagram of a urban railway dispatching communication system according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of an urban railway dispatching communication cluster according to a third embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," "object," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

According to the technical scheme, the data acquisition, storage, use, processing and the like meet relevant regulations of national laws and regulations.

Example one

Fig. 1 is a flowchart of a city-domain railway dispatching communication method according to an embodiment of the present invention, where the embodiment is applicable to a case where a dispatching service and a non-dispatching service are merged in a city-domain railway dispatching communication process, and the method may be executed by a city-domain railway dispatching communication system, where the city-domain railway dispatching communication system may be implemented in a form of hardware and/or software, and the city-domain railway dispatching communication system may be configured in a central server. As shown in fig. 1, the method includes:

s110, transmitting an access request initiated by a calling terminal to an access layer through a ubiquitous network layer; wherein, the access request includes communication service and target identification.

Among them, the ubiquitous network layer may refer to a layer composed of a wide variety of basic networks. Illustratively, the ubiquitous network layer may include an optical transmission network, a data communication network, a narrowband internet of things, an operator public network, satellite communication, a wireless local area network, a wireless communication private network, a clock synchronization network, and the like. Therefore, seamless information transmission and wide connection capability can be realized through the ubiquitous network layer.

The calling terminal may refer to an intelligent terminal that initiates an access request. In general, intelligent terminals can be classified into dedicated terminals and soft terminals. The special terminals may include various audio and video terminals such as a multimedia special scheduling terminal, an intelligent desktop terminal, a Session Initiation Protocol (SIP) phone, a camera, an unmanned aerial vehicle, and the like. The soft scheduling terminals may include operating system based terminals as well as terminals that support internet scheduling.

The access request may refer to a request initiated by the calling terminal for scheduling communication. Typically, the access request may include the communication service and the destination identification. A communication service may refer to an implementation service that schedules communications in various service scenarios. By way of example, the service scenario may include train dispatching communication, station dispatching communication, power supply dispatching communication, traveling dispatching communication, ticket dispatching communication, passenger transportation and passenger service communication, passenger station management communication, maintenance and repair work, security communication, emergency communication, and the like. The communication services may include: video conferencing services, telephony services, trunked talk services, etc. The target identifier may refer to an identifier for establishing a communication connection between the calling terminal and the called terminal. For example, the identifier may be a direct identifier of the called terminal, or may be an indirect identifier that establishes an association relationship with the called terminal. Specifically, if the communication service is a video conference service, the target identifier may be a conference number; if the communication service is a telephone service, the target identifier may be a number corresponding to the called terminal. The called terminal may refer to an intelligent terminal that receives an access request initiated by the calling terminal.

It is worth noting that the calling terminal and the called terminal in the embodiment of the invention can be intelligent terminals in any scene of a station, a vehicle section and a parking lot. Also, the number of called terminals that establish a communication service with the calling terminal is not limited.

S120, analyzing the access request through the access layer, converting the access request into a standard data packet, and transmitting the standard data packet to the core layer.

The access layer can indicate the protocol type of the access request, and the access layer analyzes the access request. Illustratively, the access layer may include an emergency access module, a video access module, and a gateway access module; the gateway Access module may include a Fiber Access System (FAS) gateway Access, a Critical service (MCX) gateway Access, a Session Initiation Protocol (SIP) gateway Access, a digital relay Access, a user Access gateway Access, and the like, and implements and simulates accesses of a walkie-talkie, mobile communication, a wireless train tone, and the like.

The analyzing may refer to analyzing a protocol format of the access request to obtain corresponding data according to the protocol format corresponding to the access request. A standard packet may refer to a packet of access request information having a standard data format.

In an optional embodiment, parsing the access request through an access layer, and converting the access request into a standard data packet includes: and analyzing the access request according to the protocol type of the access request through an access layer, and converting an analysis result into a standard data packet according to a standard protocol type.

Wherein the standard protocol type may refer to a standard data format corresponding to the access request. In general, the standard protocol type corresponding to the access request may be matched according to the protocol format corresponding to the access request. For example, if the protocol format corresponding to the access request is FAS gateway access, the standard protocol type corresponding to the access request may be set as the data format set by the gateway access module.

Specifically, the access layer analyzes data carried in the access request according to a protocol format corresponding to the access request, matches a standard protocol type corresponding to the access request according to the protocol format corresponding to the access request, and re-converts an analysis result according to the standard protocol type to generate a standard data packet. Therefore, the transmission of the data packet is separated from the specific protocol format, the separation of control and bearing is realized, the network architecture is more open and flexible, and the expansion of subsequent services is facilitated.

S130, receiving the standard data packet through the core layer, establishing communication connection between the calling terminal and the called terminal corresponding to the target identification according to the target identification in the standard data packet, and sending a communication connection event to the service application layer.

The core layer may refer to a layer that performs communication connections and implements specific communication services. Generally, the core layer may integrate the communication capabilities based on the communication capabilities of the access layer interfaces, and integrate the communication capabilities based on the access layer interfaces to implement the construction of the communication capability resource pool. And then, the communication capacity resource pool is used as a support, a standard communication capacity calling interface is packaged, the communication capacity attribute is used as a reference, the calling level is packaged, and the service application of the upper layer is supported in a service mode.

In an alternative embodiment, the transmitting the standard packet to the core layer through the access layer includes: and transmitting the standard data packet to a communication scheduling module of the core layer through the access layer.

The communication scheduling module may refer to a module for implementing a communication interaction service between the calling terminal and the called terminal. In general, it can be designed based on relevant standards of a dispatch Communication System and a Next Generation Railway special Communication System (LTE-R). Illustratively, the communication scheduling module may implement the following functions: providing a point-to-point audio and audio-video media communication function; providing scheduling services such as multi-priority voice calling, ringing groups, continuous selection groups, forced insertion, forced removal, night clothes, emergency extension and the like; providing voice conference services such as conference entrance, conference exit, silence, speech control and the like; providing grouping or ungrouping, voice talkback, speaking right control and other trunking talkback services; providing scheduling services such as multi-priority video calling, ringing groups, continuous selection groups, forced insertion, forced removal, night clothes, emergency extension and the like; providing video conference services such as conference entrance, conference exit, silence, speech control, video control, desktop sharing, video distribution and the like; and providing SIP relay interconnection and interworking service.

Specifically, after the access layer transmits the standard data packet to the communication scheduling module of the core layer, the communication scheduling module establishes a communication connection between the calling terminal and the called terminal according to the target identifier in the standard data packet. For example, if a calling terminal at a station initiates an access request of a video conference to a parking lot, the access request includes an Internet Protocol (IP) address of the accessed parking lot and a conference number, when the access request is transmitted to an access layer through a ubiquitous network layer, the access layer analyzes the access request, converts the access request into a standard data packet, transmits the standard data packet to a communication scheduling module of a core layer, and then determines an intelligent terminal consistent with the IP address of the accessed parking lot in the standard data packet as a called terminal through the communication scheduling module, and establishes communication connection between the calling terminal and the called terminal through the conference number. Therefore, when a station, a vehicle section or a parking lot is accessed to the communication scheduling module through the network interface of the transmission system, a multimedia wired scheduling communication network is formed; after various wireless terminals are accessed to the communication scheduling module through the access layer to form a multimedia wireless scheduling communication network, wired scheduling and wireless scheduling can be fused, so that a plurality of services can be communicated transversely, uniform architecture, uniform deployment and uniform resource allocation of scheduling communication services are realized, and waste of resource cost is reduced.

In an optional embodiment, the sending, by the core layer, the communication connection event to the service application layer includes: when a communication connection is established between a calling terminal and a called terminal corresponding to a target identifier, a communication connection event is sent to a service application layer through a core layer; wherein the communication connection event comprises a communication service. The communication connection event may refer to an event generated when a communication connection is established between the calling terminal and the called terminal corresponding to the target identifier.

Specifically, when the communication scheduling module establishes a communication connection between the calling terminal and the called terminal and establishes a communication connection between the calling terminal and the called terminal corresponding to the target identifier, a communication connection event indicating that the communication connection is successful may be generated and sent to the service application layer, thereby providing an effective basis for the operation of the subsequent service application layer.

S140, receiving the communication connection event through the service application layer, and realizing the target communication service between the calling terminal and the called terminal corresponding to the target identification according to a target standard calling mechanism matched with the communication connection event.

The target standard invoking mechanism may refer to a core layer invoking mechanism matched with a communication service initiated by the calling terminal. In general, the target standard invocation mechanism may provide a standard invocation mechanism depending on the type of communication service. It is noted that the target standard call mechanism may be established in advance according to the communication service type. The target standard calling mechanism can comprise a communication capability calling mechanism and a service scene calling mechanism, and provides communication guarantee for each level of application system or intelligent application platform.

Wherein, the target communication service may refer to a communication service finally determined according to the target standard invoking mechanism. And may generally include dispatch communication services, emergency command services, geographic Information System (GIS) map services, video surveillance services, materials management services, equipment monitoring services, and office telephone services.

In an optional implementation manner, receiving a communication connection event through a service application layer, and implementing a target communication service between a calling terminal and a called terminal corresponding to a target identifier according to a target standard calling mechanism matched with the communication connection event, includes: and acquiring a target standard calling mechanism matched with the communication connection event through the service application layer, and calling a relevant module of the core layer according to the target standard calling mechanism to realize the target communication service between the calling terminal and the called terminal corresponding to the target identifier.

The relevant modules of the core layer may refer to modules in the core layer that perform specific communication services. Exemplary, may include: the system comprises a comprehensive exchange module, a media processing module, a recording and videotaping module, a network management module and a safety management module.

The integrated switching module may specifically provide the following functions: providing terminal user registration and call authentication, call session control, service routing, user state subscription, call record query, inter-domain interconnection, software daemon and the like; basic scheduling services with scheduling functions of single call, group call, conference, forced insertion and removal and the like are provided; finishing the storage, query and management of the data of the signed user, selection, routing and the like; providing service registration, domain name resolution and load balancing functions; providing management and distribution of a system address book; providing a terminal version and monitoring message pushing of an alarm notification; providing a system service deployment management and service process daemon function; the functions of storage, query, synchronization, optimization, management, monitoring and the like of a service system database are provided, and the functions of service transparent data file access and the like are provided.

The media processing module may specifically provide the following functions: providing functions of media stream playing, media stream forwarding, transcoding, multi-channel voice mixing, video multi-split screen processing and synthesis and the like; media resource control is realized, and external service interfaces are provided for meeting creation, endpoint creation, topological connection and other operations; the method supports the configuration of a plurality of media processing units, the comprehensive switching unit distributes services, and the units support load sharing.

The audio and video recording module can specifically provide the following functions: providing the functions of recording, storing, managing, tuning and the like of audio media resources; providing the functions of recording, storing, managing, listening, watching and the like of audio and video media resources; the functions of recording, storing, managing, watching and the like of the video access system are provided; the storage retrieval control function is realized, a service interface is provided for the outside to provide recording retrieval and the like, and the recording retrieval and the like are used as resources in the system to support the clustered deployment and the load sharing;

the network management module may generally adopt a Browser/Server (B/S) architecture, and is composed of a network management Server and a network management terminal, and provides configuration, control and state management, alarm management, log downloading and the like of each service unit. The maintenance management functions of configuration, alarm, performance, state, statistics and the like can be realized.

The safety control module can be constructed according to safety protection levels based on a safety management center, a network safety boundary, a safety communication network, a safety computing environment and the like, and performs level protection work. Generally, the level satisfying the basic security protection is the third level. The safety control module can comprise a new-generation firewall, an anti-virus server, a safety audit server, a log audit server and the like. It should be noted that the new generation of firewall may include Intrusion Prevention System (IPS), which has firewall, anti-virus, intrusion Prevention, application protection and threat information functions, and can effectively resist network attacks from internet side; in addition, vulnerability scanning can be performed on the operating systems of the terminal, the server and the network equipment regularly, system vulnerabilities can be found in time, reference is provided for managers to repair vulnerabilities, and external resources are prevented from initiating attacks through the system vulnerabilities. The security audit server can monitor and audit the behavior of each front end, terminal and host device by modeling and analyzing the characteristics of IP, media Access Control (MAC), port, protocol, flow and the like, and can also isolate devices that are not normally operated. The log audit server can realize centralized recording and audit of the server, the terminal, the network security equipment and the network equipment logs.

Specifically, after receiving the communication connection event, the service application layer may obtain a target standard call mechanism matched with the communication service according to the communication service included in the communication connection event, and further call the comprehensive exchange module, the media processing module, the audio and video recording module, the network management module, and the security management module of the core layer according to the target standard call mechanism, and implement the target communication service between the calling terminal and the called terminal by fusing the relevant modules of the core layer. For example, if the communication service included in the communication connection event is a video conference and the target standard invoking mechanism matched with the video conference is to record and process the conference content, the comprehensive switching module, the media processing module, and the audio/video recording module of the core layer may be merged and invoked. Therefore, the target Communication service is realized by fusing the related modules of the core layer, the service and the control can be separated, the boundary of the existing Information Technology (IT) and the Communication Technology (CT) is broken, the traditional service scene and the new Information and Communication Technology (ICT) are fused, and the integration of a plurality of Communication modes of a voice domain and an IP domain is realized.

According to the technical scheme of the embodiment of the invention, the access request initiated by the calling terminal is transmitted to the access layer through the ubiquitous network layer; analyzing the access request through the access layer, converting the access request into a standard data packet, and transmitting the standard data packet to the core layer; receiving a standard data packet through a core layer, establishing communication connection between a calling terminal and a called terminal corresponding to a target identifier according to the target identifier in the standard data packet, and sending a communication connection event to a service application layer; the communication connection event is received through the service application layer, the target communication service between the calling terminal and the called terminal corresponding to the target identification is realized according to a target standard calling mechanism matched with the communication connection event, the problem that the line dispatching service and the non-line dispatching service cannot be completely merged is solved, the line dispatching service and the non-line dispatching service can be completely merged, and the dispatching communication requirements of various service scenes are met.

Example two

Fig. 2 is a schematic structural diagram of an urban railway dispatching communication system according to a second embodiment of the present invention. As shown in fig. 2, the system includes: a ubiquitous network layer 210, an access layer 220, a core layer 230, and a business application layer 240;

the ubiquitous network layer 210 is configured to transmit an access request initiated by the calling terminal to the access layer 220; wherein, the access request comprises communication service and target identification;

the access layer 220 is configured to parse the access request, convert the access request into a standard data packet, and transmit the standard data packet to the core layer 230;

a core layer 230, configured to receive the standard data packet, establish a communication connection between the calling terminal and a called terminal corresponding to the target identifier according to the target identifier in the standard data packet, and send a communication connection event to a service application layer 240;

and the service application layer 240 is configured to receive the communication connection event, and implement a target communication service between the calling terminal and the called terminal corresponding to the target identifier according to a target standard calling mechanism matched with the communication connection event.

According to the technical scheme of the embodiment of the invention, an access request initiated by a calling terminal is transmitted to an access layer 220 through a ubiquitous network layer 210; the access request is parsed through the access layer 220, converted into a standard data packet, and transmitted to the core layer 230; receiving the standard data packet through the core layer 230, establishing a communication connection between the calling terminal and the called terminal corresponding to the target identifier according to the target identifier in the standard data packet, and sending a communication connection event to the service application layer 240; the communication connection event is received through the service application layer 240, and the target communication service between the calling terminal and the called terminal corresponding to the target identifier is realized according to the target standard calling mechanism matched with the communication connection event, so that the problem that the line modulation service and the non-line modulation service cannot be completely fused is solved, the line modulation service and the non-line modulation service can be completely fused, and the scheduling communication requirements of various service scenes are met.

Optionally, the core layer 230 may specifically include: a communication scheduling module;

the access layer 220 is configured to transmit the standard packet to the communication scheduling module of the core layer 230.

Optionally, the core layer 230 may specifically include: the system comprises a comprehensive exchange module, a media processing module, a recording and videotaping module, a network management module and a safety management module;

the service application layer 240 is configured to obtain a target standard call mechanism matched with the communication connection event, and call the comprehensive exchange module, the media processing module, the audio and video recording module, the network management module, and the security management module of the core layer 230 according to the target standard call mechanism, so as to implement a target communication service between the calling terminal and the called terminal corresponding to the target identifier.

Optionally, the target standard call mechanism may include: a communication capability calling mechanism and a service scene calling mechanism.

The urban railway dispatching communication system provided by the embodiment of the invention can execute the urban railway dispatching communication method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.

Fig. 3 is a system architecture diagram of a urban railway dispatching communication system according to a second embodiment of the present invention; specifically, the method may include a smart terminal layer, a ubiquitous network layer, an access layer, a core layer, and a service application layer. The intelligent terminal layer can be used as a called terminal and a calling terminal. The system can generally comprise a multimedia special scheduling terminal, an intelligent desktop terminal, a SIP phone, a camera, a unmanned aerial vehicle and other special terminals, and an operating system-based soft scheduling terminal. The ubiquitous network layer can include an optical transmission network, a data communication network, a narrow-band internet of things, an operator public network, satellite communication, a wireless local area network, a wireless communication private network, a clock synchronization network and the like. The access layer may include an emergency access module, a video access module, and a gateway access module including a FAS gateway access, an MCX gateway access, a SIP gateway access, a digital relay access, and a user access gateway access. The FAS gateway can provide a 2M Digital link, and realizes interconnection with the existing MSC and FAS equipment by using a No.1 Digital Subscriber Signaling (DSS 1 ); the digital trunking gateway may provide a 2M digital link, and interconnect with a third party switching device by using Signaling System No.7 (SS 7) Signaling, to complete the intercommunication with the media stream and the Signaling stream of the Public Land Mobile Network/Public Land Mobile Network (PSTN/PLMN). The MCX gateway may provide a registration interface 45 (Registered Jack 45, rj45) for interfacing with the mobile communications system using MCX-3 signaling. The SIP gateway can provide RJ45 interface, and interconnect with the third-party device by using SIP signaling, so as to complete the intercommunication with the media stream and signaling stream of the Next Generation Network/Voice over Internet Protocol (NGN/VoIP). The user access gateway can provide RJ11 and RJ45 interfaces, and adopts SIP signaling to access a special terminal. The emergency access module can provide access based on railway emergency communication equipment and management service for accessing emergency field equipment, and has the functions of number mapping, authority allocation, directory allocation, call routing and the like, so that voice, data and video communication established between an emergency center and an emergency scene and inside the emergency scene is realized. The video access module can provide access to a video monitoring platform and video monitoring equipment based on a GBT28181 protocol, provide access to the video monitoring platform and video monitoring equipment based on a Software Development Kit (SDK) mode, and provide management services for accessing the video monitoring equipment, including functions of number mapping, authority allocation, directory allocation, call routing and the like. The core layer can comprise a communication scheduling module, a comprehensive exchange module, a media processing module, a recording and videotaping module, a network management module and a safety management module. The service application layer can comprise a dispatching communication service, an emergency command service, a GIS map service, a video monitoring service, a material management service, an equipment monitoring service and an office telephone service.

Specifically, when a calling terminal of an intelligent terminal layer initiates an access request to a called terminal, the access request is transmitted to a core layer through a network link which is ubiquitous in the network layer and matched with the calling terminal, then the core layer analyzes the access request, the access request is subjected to access category division according to the original protocol type of the access request, an analysis result is converted into a standard data packet according to the standard protocol type corresponding to the access category, the standard data packet is transmitted to a communication scheduling module of the core layer, communication connection is established between the calling terminal and the called terminal through the communication scheduling module, meanwhile, a communication connection event containing communication service is sent to a service application layer, the communication connection event of the service application layer is matched with a target standard calling mechanism corresponding to the communication service, and then, the comprehensive exchange module, the media processing module, the recording and recording module, the network management module and the security management module of the core layer are subjected to fusion scheduling according to the target standard calling mechanism, and the target communication service between the calling terminal and the called terminal is achieved.

EXAMPLE III

Fig. 4 is a schematic structural diagram of an urban railway dispatching communication cluster according to a third embodiment of the present invention. As shown in fig. 4, the cluster includes: a calling terminal 310, a center server 320 and a called terminal 330;

the calling terminal 310 is configured to initiate an access request to the central server 320; the access request comprises a communication service and a target identifier corresponding to a called terminal;

the central server 320 is used for transmitting the access request initiated by the calling terminal 310 to the access stratum through the ubiquitous network layer; wherein, the access request comprises communication service and target mark; analyzing the access request through an access layer, converting the access request into a standard data packet, and transmitting the standard data packet to a core layer; receiving the standard data packet through the core layer, establishing a communication connection between the calling terminal 310 and the called terminal 330 corresponding to the target identifier according to the target identifier in the standard data packet, and sending a communication connection event to the service application layer; receiving the communication connection event through a service application layer, and realizing a target communication service between the calling terminal 310 and the called terminal 330 corresponding to the target identifier according to a target standard calling mechanism matched with the communication connection event;

the called terminal 330 is configured to receive the communication connection sent by the central server 320, and implement a target communication service with the main terminal 310.

According to the technical scheme of the embodiment of the invention, the calling terminal 310 is used for initiating an access request to the central server 320; the central server 320 is used for transmitting the access request initiated by the calling terminal to the access layer through the ubiquitous network layer; analyzing the access request through the access layer, converting the access request into a standard data packet, and transmitting the standard data packet to the core layer; receiving the standard data packet through the core layer, establishing a communication connection between the calling terminal 310 and the called terminal 330 corresponding to the target identifier according to the target identifier in the standard data packet, and sending a communication connection event to the service application layer; receiving the communication connection event through a service application layer, and realizing a target communication service between the calling terminal 310 and the called terminal 330 corresponding to the target identifier according to a target standard calling mechanism matched with the communication connection event; the called terminal 330 is configured to receive the communication connection sent by the central server 320, implement a target communication service with the main terminal 310, solve the problem that the line dispatching service and the non-line dispatching service cannot be completely merged, and completely merge the line dispatching service and the non-line dispatching service, thereby meeting dispatching communication requirements of various service scenarios.

Optionally, the central server 320 may be specifically configured to: and analyzing the access request through an access layer according to the protocol type of the access request, and converting an analysis result into a standard data packet according to a standard protocol type.

Optionally, the central server 320 may be specifically configured to: when a communication connection is established between a calling terminal and a called terminal corresponding to a target identifier, a communication connection event is sent to a service application layer through a core layer; wherein the communication connection event comprises a communication service.

Optionally, the central server 320 may be specifically configured to: the target standard calling mechanism matched with the communication connection event is obtained through the service application layer, and the relevant module of the core layer is called according to the target standard calling mechanism, so that the target communication service between the calling terminal 310 and the called terminal 330 corresponding to the target identification is realized.

It should be noted that, in the embodiment of the present invention, the calling terminal and the called terminal need to store the routing information in the central server in advance, which is convenient for implementing the subsequent operation. In addition, the embodiments of the present disclosure do not limit the geographical locations of the calling terminal, the central server, and the called terminal, and generally, the central server is a server in the same geographical area as the calling terminal. When the called terminal and the calling terminal are in the same region, the central server on the calling terminal side and the central server on the called terminal side can be connected through a private network or a public network, so that the target communication service between the calling terminal and the called terminal is realized.

The urban railway dispatching communication cluster provided by the embodiment of the invention can execute the urban railway dispatching communication method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.

It should be understood that various forms of the flows shown above, reordering, adding or deleting steps, may be used. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired results of the technical solution of the present invention can be achieved.

The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A urban railway dispatching communication method is characterized by comprising the following steps:

transmitting an access request initiated by a calling terminal to an access layer through a ubiquitous network layer; wherein, the access request comprises communication service and target mark;

analyzing the access request through an access layer, converting the access request into a standard data packet, and transmitting the standard data packet to a core layer;

receiving the standard data packet through the core layer, establishing communication connection between the calling terminal and a called terminal corresponding to the target identification according to the target identification in the standard data packet, and sending a communication connection event to the service application layer;

and receiving the communication connection event through a service application layer, and realizing the target communication service between the calling terminal and the called terminal corresponding to the target identification according to a target standard calling mechanism matched with the communication connection event.

2. The method of claim 1, wherein parsing the access request by the access stratum to convert the access request to a standard packet comprises:

and analyzing the access request according to the protocol type of the access request through an access layer, and converting an analysis result into a standard data packet according to a standard protocol type.

3. The method of claim 1, wherein the transmitting the standard packet to the core layer through the access layer comprises:

and transmitting the standard data packet to a communication scheduling module of the core layer through the access layer.

4. The method of claim 1, wherein sending the communication connection event to a service application layer through a core layer comprises:

when a communication connection is established between a calling terminal and a called terminal corresponding to a target identifier, a communication connection event is sent to a service application layer through a core layer; wherein the communication connection event comprises a communication service.

5. The method according to claim 1, wherein the receiving the communication connection event through the service application layer and implementing the target communication service between the calling terminal and the called terminal corresponding to the target identifier according to the target standard invoking mechanism matched with the communication connection event comprises:

and acquiring a target standard calling mechanism matched with the communication connection event through the service application layer, and calling a relevant module of the core layer according to the target standard calling mechanism to realize the target communication service between the calling terminal and the called terminal corresponding to the target identifier.

6. A municipal railway dispatch communication system, comprising:

the ubiquitous network layer is used for transmitting the access request initiated by the calling terminal to the access layer; wherein, the access request comprises communication service and target identification;

the access layer is used for analyzing the access request, converting the access request into a standard data packet and transmitting the standard data packet to the core layer;

the core layer is used for receiving the standard data packet, establishing communication connection between the calling terminal and a called terminal corresponding to the target identifier according to the target identifier in the standard data packet, and sending a communication connection event to the service application layer;

and the service application layer is used for receiving the communication connection event and realizing the target communication service between the calling terminal and the called terminal corresponding to the target identification according to a target standard calling mechanism matched with the communication connection event.

7. The system of claim 6, wherein the core layer comprises: a communication scheduling module;

and the access layer is used for transmitting the standard data packet to the communication scheduling module of the core layer.

8. The system of claim 6, wherein the core layer comprises: the system comprises a comprehensive exchange module, a media processing module, a recording and videotaping module, a network management module and a safety management module;

and the service application layer is used for acquiring a target standard calling mechanism matched with the communication connection event, calling the comprehensive exchange module, the media processing module, the audio and video recording module, the network management module and the safety management module of the core layer according to the target standard calling mechanism, and realizing the target communication service between the calling terminal and the called terminal corresponding to the target identifier.

9. The system of claim 8, wherein the target standard call mechanism comprises: a communication capability calling mechanism and a service scene calling mechanism.

10. A city railway dispatch communication cluster, comprising:

the calling terminal is used for initiating an access request to the central server; the access request comprises a communication service and a target identifier corresponding to a called terminal;

the central server is used for transmitting the access request initiated by the calling terminal to the access layer through the ubiquitous network layer; wherein, the access request comprises communication service and target mark; analyzing the access request through an access layer, converting the access request into a standard data packet, and transmitting the standard data packet to a core layer; receiving the standard data packet through the core layer, establishing communication connection between the calling terminal and a called terminal corresponding to the target identification according to the target identification in the standard data packet, and sending a communication connection event to the service application layer; receiving a communication connection event through a service application layer, and realizing a target communication service between a calling terminal and a called terminal corresponding to a target identification according to a target standard calling mechanism matched with the communication connection event;

and the called terminal is used for receiving the communication connection sent by the central server and realizing the target communication service with the main terminal.

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