CN111970291A - Voice communication exchange system and very high frequency ground-air analog radio station distributed networking method - Google Patents
Voice communication exchange system and very high frequency ground-air analog radio station distributed networking method Download PDFInfo
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- CN111970291A CN111970291A CN202010857716.9A CN202010857716A CN111970291A CN 111970291 A CN111970291 A CN 111970291A CN 202010857716 A CN202010857716 A CN 202010857716A CN 111970291 A CN111970291 A CN 111970291A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/4061—Push-to services, e.g. push-to-talk or push-to-video
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a voice communication exchange system and a very high frequency ground-air analog radio station distributed networking method, which comprises the following steps: the system is initialized, a control seat sends an Invite request to a radio station gateway, the radio station gateway receives the request and responds, the control seat sends voice data flow to the radio station gateway, the radio station gateway analyzes the voice data flow and sends the voice data flow to a corresponding very high frequency ground-to-air analog radio station, the very high frequency ground-to-air analog radio station carries out air emission, the very high frequency ground-to-air analog radio station sends ground-to-ground voice to the radio station gateway, the gateway receives, analyzes and sends the voice to the control seat, a decoding data packet of the control seat provides output of a loudspeaker or an earphone and is displayed on an interface, the control seat sends a Bye request to the radio station gateway, the radio station analyzes and responds, and. In a certain area, the invention makes full use of the existing VHF radio station equipment and IP packet switching network to construct a VoIP air traffic control system based on SIP system so as to replace the existing internal telephone system.
Description
Technical Field
The invention relates to the technical field of Voice communication of IP networks, in particular to a civil aviation VoIP (Voice over IP) Voice communication exchange system based on an SIP (Session Initiation Protocol) Protocol.
Background
Voip (Voice over Internet protocol) is to digitize an analog signal (Voice) and transmit the digitized signal in a Data Packet (Data Packet) form over an IP Network (IP Network) in real time.
With the rapid development of the civil aviation transportation industry, the total flight amount of the control area of each air traffic control unit is rapidly increased, and the civil aviation flight safety provides new requirements for the operation guarantee capability of the air traffic control equipment. The VoIP technology is applied to a civil aviation air traffic control voice communication system, voice information can be transmitted on an IP-based network transmission platform in real time, compared with a traditional VHF voice communication transmission mode, the VoIP technology has the greatest advantages that network resources are fully utilized, any air traffic control unit in the network can be in contact with another air traffic control unit without hindrance, VHF communication station resources are shared, controlled airspace division is more flexible, interoperation among the controlled units is achieved, and interoperability shows that airspace sectors can be easily switched from one air traffic control center to another, whether shunting, handling emergency situations, business operation and the like. In addition, the VoIP technology also enables maintenance management of the communication system to be independently dispersed to a system set, maintenance and troubleshooting are more convenient and direct, and maintenance personnel can check the running states of all communication equipment by logging in any node of the IP network through a mobile terminal.
SIP (Session Initiation Protocol) is a multimedia communication Protocol established by IETF (Internet Engineering Task Force). It is a text-based application-layer control protocol for creating, modifying and releasing sessions of one or more participants. The SIP is an IP voice session control protocol originated from the Internet, and has the characteristics of flexibility, easiness in implementation, convenience in expansion and the like. An important feature of SIP is that it does not define the type of session to be established, but only how the session should be managed. With this flexibility, SIP can be used in a wide variety of applications and services, including interactive gaming, music and video on demand, and voice, video and Web conferencing.
Disclosure of Invention
The invention aims to solve the technical problems that the ground-air radio stations arranged in an area are relatively independent and dispersed, the potential cluster effect cannot be exerted, the cooperation degree of ground-air voice commands is low, the voice networking capability is insufficient, and the flexibility and the expandability are insufficient.
In order to solve the above technical problem, the present invention provides a voice communication switching system and a very high frequency ground-air analog radio station distributed networking method, wherein the voice communication switching system comprises: the system comprises a control seat, a very high frequency ground-to-air analog radio station, a radio station gateway, a monitoring maintenance subsystem, a telephone communication management subsystem and a network switching subsystem, wherein the very high frequency ground-to-air analog radio station is connected with the network switching subsystem through the radio station gateway, and the network switching subsystem is connected with the control seat, the monitoring maintenance subsystem and the telephone management subsystem; wherein:
the control seats finish the outward coordination of the seats and the command of the air voice;
the very high frequency ground-air analog radio station realizes the conversion between the analog voice of the radio station and the IP data voice;
the radio station gateway realizes VoIP network access and completes the conversion of analog voice IP data and voice of the radio station; the monitoring maintenance subsystem monitors the whole voice exchange system;
the telephone management subsystem processes and distributes system management control messages and provides database access and operation;
and the network exchange subsystem is used for interconnection among network devices in the system.
Preferably, the control seat is composed of a seat access host, a touch screen, a loudspeaker and a voice handle, and the control seat adopts a double-network-port design, can be simultaneously connected with two network cables, provides two data source transmission routes, and is used for a controller and a coordinator to coordinate the outside and to command air voice.
Preferably, the radio station gateway and the very high frequency analog radio station are used in cooperation, so that VoIP network access is realized, and conversion and link management of analog voice of the radio station and IP data voice are completed.
Preferably, the monitoring and maintaining subsystem monitors the state of a working node in the whole voice exchange system, including a control seat, a radio station gateway, a data information interaction processing subsystem, a network exchange subsystem, a telephone gateway and the like, and when the node fails, the monitoring and maintaining subsystem can remind a seat attendant to process the node through sound and images.
Preferably, the telephone communication management subsystem adopts an open management protocol, monitors the running state of the server and the software all the time, processes and distributes multi-system management control messages and provides database access and operation.
Preferably, the network switching subsystem selects a high-availability network element, creates and maintains a high-availability environment, and realizes interconnection between network devices in the system.
Preferably, the control seat and the station gateway both adopt SIP protocol and conform to MH4027_2019 standard and ED-137 standard.
The very high frequency ground-air analog radio station distributed networking method of the voice communication switching system comprises the following steps:
s1, initializing the system and configuring parameters, including monitoring the configuration information from the maintenance subsystem to the telephone communication management subsystem, and configuring the information from the control seat to the telephone communication management subsystem;
s2, the control seat monitors the IP address and SIP account number corresponding to the VHF ground-air simulation radio station and initiates an Invite request to the radio station gateway;
s3, the radio station gateway receives the Invite request from the control seat, analyzes and answers according to the SIP protocol;
s4, establishing SIP voice communication link between the control seat and the radio station gateway;
s5, sending ground-air voice;
s6, receiving ground-air voice;
s7, the control seat sends a Bye request to the radio station gateway;
and S8, the station gateway analyzes and answers the request according to the SIP protocol.
In step S1, the monitoring and maintaining subsystem configures the relevant information including the IP address and the SIP account of the vhf ground-air analog station and the station gateway to the telephone communication management subsystem.
In step S1, the management seat obtains the IP addresses and SIP accounts corresponding to all the vhf ground-air analog stations from the telephone communication management subsystem.
The step S5 includes the following sub-steps:
s51, the control seat performs digital-to-analog conversion on the voice and PTT signals, then performs coding and packet packing, and sends the signals to the radio station gateway;
s52, the radio station gateway analyzes the data packet, performs analog-to-digital conversion on the voice and PTT signals, and sends the voice and PTT signals to the very high frequency ground-to-air analog radio station;
and S53, the very high frequency ground-to-air analog station transmits the air.
The step S6 includes the following sub-steps:
s61, the very high frequency ground-air simulation radio station sends the voice signal to a radio station gateway;
s62, the radio station gateway performs analog-to-digital conversion on the voice and the SQU signals, then performs coding and packaging, and sends the coded and packaged voice and SQU signals to a control seat;
and S63, analyzing the data packet by the control seat, performing digital-to-analog conversion on the voice and the SQU signal, outputting through a loudspeaker or an earphone, and displaying on an interface.
The invention has the beneficial effects that: the method comprises the steps of integrally managing all relatively independent and scattered ground-air radio stations arranged in an air area, exerting potential clustering effect on the ground-air radio stations, and forming ground-air voice coverage of a large area; all ground-air communication can be uniformly and intensively monitored and managed through the monitoring maintenance subsystem and the telephone communication management subsystem, and the coordination degree and the voice networking capability of voice command are improved; the method adopts the international universal protocol standard and provides interconnection and intercommunication interfaces with a plurality of air management equipment manufacturers. The system is compatible with a ground-air VHF analog radio station and a ground-air VHF VoIP radio station which are used in China, and interconnection and intercommunication between a telephone system and the ground-air VHF radio station are realized; the network exchange subsystem adopts a dual-link and dual-core networking architecture, has the characteristics of accurate and timely data transmission in the voice transmission process, and better meets the special requirements of the civil aviation industry on the safety and reliability of a communication system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a block diagram of the system architecture of the present invention;
FIG. 2 is a flow chart of the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1, a voice communication switching system and a very high frequency ground-to-air analog radio distributed networking method, the voice communication switching system includes: the system comprises an analog radio station, a radio station gateway, a VoIP recording server, a VoIP radio station, a monitoring maintenance server, a telephone communication management server, a disk array, a time synchronization server, a control seat, an IP phone, a telephone gateway, an analog phone, a monitoring maintenance seat and an IP switching network.
It is to be understood that the control seats complete the external coordination of the seats and the command of the air voice;
it is to be understood that the very high frequency ground-to-air analog station implements conversion between station analog voice and IP data voice;
it needs to be understood that the radio station gateway realizes the VoIP network access to complete the conversion of analog voice IP data voice of the radio station;
it is to be understood that the monitoring and maintenance subsystem monitors the whole voice exchange system;
it is to be understood that the telephony communication management subsystem processes and distributes system management control messages and provides database access and operation;
it should be understood that the network switching subsystem is used for interconnection between network devices in the system.
It should be noted that the control seat is composed of a seat access host, a touch screen, a speaker and a voice handle, and a dual-network-port design is adopted, so that two network cables can be simultaneously connected, two data source transmission routes are provided, and the control seat is used for a controller and a coordinator to coordinate the outside and to command air voice.
It should be noted that the radio station gateway and the vhf analog radio station are used in cooperation to realize VoIP network access, and complete conversion between analog voice of the radio station and IP data voice and link management.
It should be noted that the monitoring and maintenance subsystem monitors the state of the working node in the whole voice exchange system, including a control seat, a radio gateway, a data information interaction processing subsystem, a network exchange subsystem, a telephone gateway, etc., and when the node fails, the monitoring and maintenance subsystem can remind a seat attendant to process the node through sound and images.
It should be noted that the telephone communication management subsystem uses an open management protocol, monitors the running state of the server and software all the time, processes and distributes multi-system management control messages and provides database access and operation.
It should be noted that the network switching subsystem selects a high-availability network element, creates and maintains a high-availability environment, and implements interconnection between network devices in the system.
It should be noted that the policing seat and the station gateway both use the SIP protocol and conform to the MH4027_2019 standard and the ED-137 standard.
In order to further understand the specific working process of the present invention, as shown in fig. 2, a very high frequency ground-air analog radio station distributed networking method of a voice communication switching system, the very high frequency ground-air analog radio station distributed networking method includes the following steps:
the distributed networking process of the very high frequency ground-to-air analog radio station starts to carry out system initialization and configuration firstly, and comprises the following steps: the monitoring maintenance subsystem configures SIP protocol related information of the analog radio station and the radio station gateway, and the control seat acquires IP addresses and SIP accounts corresponding to all the very-high frequency ground-air analog radio stations.
After the system configuration is completed, the policing seat initiates an Invite request to the radio gateway.
The station gateway is used as a proxy of the target simulation station to analyze and respond according to the SIP protocol.
Through signaling interaction, when the SIP voice communication link ground-air voice communication is established between the control seat and the radio station gateway, whether the control seat is in the ground-air voice sending direction or the ground-air voice receiving direction needs to be judged.
If the direction is the ground-to-air voice sending direction, the control seat performs analog-to-digital conversion on voice signals PTT signals, then codes and packages the voice signals to form voice data streams, the voice data streams are sent to the radio station gateway, the radio station gateway performs protocol analysis and voice decoding after receiving the IP data packets, the voice and PTT signals are sent to the corresponding very high frequency ground-to-air analog radio station after being subjected to digital-to-analog conversion, and the very high frequency ground-to-air analog radio station performs air sending after receiving the analog voice signals and the PTT signals transmitted by the radio station gateway.
If the ground-to-air receiving direction is the ground-to-air receiving direction, the very high frequency ground-to-air analog radio station receives the ground voice, then sends the voice signal to an E/M port of a radio station gateway, after receiving the voice signal sent by the analog radio station, the radio station gateway performs analog-to-digital conversion on the voice and the SQU signal, then performs coding and packaging to form voice data stream, sends the voice data stream to a control seat, performs protocol decoding and voice decoding after the control seat receives an IP data packet, and outputs the voice data stream through a loudspeaker or an earphone and displays the voice data stream on an interface after the digital-to-analog conversion.
After the ground-to-air voice receiving or sending is finished, the control seat initiates a Bye request to the radio station gateway.
And after receiving the Bye request, the radio station gateway analyzes and responds according to the SIP protocol.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. The voice communication switching system and the very high frequency ground-to-air analog radio station distributed networking method, the voice communication switching system includes: the system comprises a control seat, a very high frequency ground-to-air analog radio station, a radio station gateway, a monitoring maintenance subsystem, a telephone communication management subsystem and a network switching subsystem, wherein the very high frequency ground-to-air analog radio station is connected with the network switching subsystem through the radio station gateway, and the network switching subsystem is connected with the control seat, the monitoring maintenance subsystem and the telephone management subsystem; wherein:
the control seats finish the outward coordination of the seats and the command of the air voice; the very high frequency ground-air analog radio station realizes the conversion between the analog voice of the radio station and the IP data voice;
the radio station gateway realizes VoIP network access and completes the conversion of analog voice IP data and voice of the radio station;
the monitoring maintenance subsystem monitors the whole voice exchange system;
the telephony communication management subsystem processes and distributes system management control messages and provides database access and operations;
and the network exchange subsystem is used for interconnection among network devices in the system.
2. The voice communication switching system of claim 1, wherein the control seat comprises a seat access host, a touch screen, a speaker and a voice handle, and adopts a dual-port design, and can be simultaneously connected with two network cables to provide two data source transmission routes for the control and coordination personnel to coordinate with the outside and for the air voice command.
3. The voice communication switching system of claim 1 wherein said station gateway is used in conjunction with a very high frequency analog station to provide VoIP network access to perform station analog voice to IP data voice conversion and link management.
4. The voice communication switching system according to claim 1, wherein the monitoring and maintaining subsystem monitors the status of the working nodes in the entire voice switching system, including the control seats, the radio gateways, the data information interaction processing subsystem, the network switching subsystem, and the telephone gateways, and when the nodes fail, the monitoring and maintaining subsystem reminds the operators on duty to process the nodes through sound and images.
5. The voice communication switching system of claim 1 wherein said telephony management subsystem monitors server and software operating conditions at all times, processes and distributes multiple system management control messages and provides database access and operation.
6. The voice communication switching system of claim 1, wherein said policing seat and station gateway both use SIP protocol and conform to MH4027_2019 standard and ED-137 standard.
7. A very high frequency ground-air analog radio station distributed networking method of a voice communication switching system is characterized by comprising the following steps:
s1, initializing the system and configuring parameters, including monitoring the configuration information from the maintenance subsystem to the telephone communication management subsystem, and configuring the information from the control seat to the telephone communication management subsystem;
s2, the control seat monitors the IP address and SIP account number corresponding to the VHF ground-air simulation radio station and initiates an Invite request to the radio station gateway;
s3, the radio station gateway receives the Invite request from the control seat, analyzes and answers according to the SIP protocol;
s4, establishing SIP voice communication link between the control seat and the radio station gateway;
s5, sending ground-air voice;
s6, receiving ground-air voice;
s7, the control seat sends a Bye request to the radio station gateway;
and S8, the station gateway analyzes and answers the request according to the SIP protocol.
8. The distributed networking method for very high frequency ground-to-air analog radio station of voice communication switching system as claimed in claim 7, wherein in said step S1, the monitoring maintenance subsystem configures the relevant information including IP address and SIP account of the very high frequency ground-to-air analog radio station and the radio station gateway to the telephone communication management subsystem.
9. The distributed networking method for very high frequency ground-to-air analog radio stations in voice communication switching system according to claim 7, wherein the management seat in step S1 obtains the IP addresses and SIP accounts corresponding to all the very high frequency ground-to-air analog radio stations from the telephone communication management subsystem.
10. The very high frequency ground-to-air analog radio distributed networking method of voice communication switching system according to claim 7, wherein said step S5 comprises the sub-steps of:
s51, the control seat performs digital-to-analog conversion on the voice and PTT signals, then performs coding and packet packing, and sends the signals to the radio station gateway;
s52, the radio station gateway analyzes the data packet, performs analog-to-digital conversion on the voice and PTT signals, and sends the voice and PTT signals to the very high frequency ground-to-air analog radio station;
and S53, the very high frequency ground-to-air analog station transmits the air.
11. The very high frequency ground-to-air analog radio distributed networking method of voice communication switching system according to claim 7, wherein said step S6 comprises the sub-steps of:
s61, the very high frequency ground-air simulation radio station sends the voice signal to a radio station gateway;
s62, the radio station gateway performs analog-to-digital conversion on the voice and the SQU signals, then performs coding and packaging, and sends the coded and packaged voice and SQU signals to a control seat;
and S63, analyzing the data packet by the control seat, performing digital-to-analog conversion on the voice and the SQU signal, outputting through a loudspeaker or an earphone, and displaying on an interface.
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| CN113315564A (en) * | 2021-04-23 | 2021-08-27 | 鲁义昌 | Bidirectional movable ground-air communication system |
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Cited By (2)
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| CN113315564A (en) * | 2021-04-23 | 2021-08-27 | 鲁义昌 | Bidirectional movable ground-air communication system |
| CN113315564B (en) * | 2021-04-23 | 2022-09-27 | 鲁义昌 | Bidirectional movable ground-air communication system |
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