CN113473257A - Converged communication digital intercom system - Google Patents
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- CN113473257A CN113473257A CN202110781585.5A CN202110781585A CN113473257A CN 113473257 A CN113473257 A CN 113473257A CN 202110781585 A CN202110781585 A CN 202110781585A CN 113473257 A CN113473257 A CN 113473257A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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Abstract
The invention discloses a converged communication digital intercom system which comprises satellite equipment, a mobile gateway, a network management platform and a mobile station radio station, wherein the mobile station radio station is connected with the mobile gateway, the mobile gateways are mutually connected through the satellite equipment or other communication equipment, and the network management platform is connected with the mobile gateway through other communication equipment. The invention combines satellite communication and digital narrow-band communication related technologies, utilizes a set of simple existing components, realizes intercommunication and interconnection of various communication modes through satellite communication or ground communication (3G/4G/5G/LTE/LAN), extends the coverage range of radio cluster communication, continues talkback simple and convenient use scenes, and has safer communication link, more flexible communication groups and more visual background management.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a converged communication digital intercom system.
Background
The wireless intercom system has the characteristics of flexibility, simplicity and convenience in operation, quickness in voice transmission and economy in use, and is a basic means for realizing production scheduling automation and management modernization. The wireless intercom system is an independent communication system in a radial dual-frequency bidirectional automatic repeat mode, solves the problem that communication signals cannot be covered due to factors such as a communication range or a building structure, is convenient to be used for accurately contacting personnel such as security, engineering, operation and service at any time and place, and performs duties at non-fixed positions in a management place.
The existing talkback system carries out wireless conversation through a plurality of mobile stations, and the calling range is free from obstacles of 3-5 kilometers. For field operation, under the condition of no mobile phone signal coverage, the wireless intercom system can only realize short-distance communication between field operation personnel, and personnel in a remote center cannot participate in command work of the field personnel and cannot meet the range coverage under the condition of a larger field area.
In the prior art, the wireless intercom system is limited by the radio frequency coverage range of the mobile station, the communication distance is usually short, personnel calling in a small range of a site can be realized, the center management cannot interact with the site, and effective information interaction cannot be established among a plurality of field groups which are far away.
Disclosure of Invention
The invention provides a converged communication digital intercom system which can extend the coverage range of radio trunking communication and continue an intercom type simple use scene, and is safer in communication link, more flexible in communication group and more intuitive in background management.
According to one aspect of the invention, a converged communication digital intercom system is provided, the system comprises satellite equipment, a mobile gateway, a network management platform and a mobile station radio station, wherein the mobile station radio station is connected with the mobile gateway, the mobile gateways are connected with each other through the satellite equipment or other communication equipment, and the network management platform is connected with the mobile gateway through other communication equipment; the method comprises the following steps:
the mobile gateway is used for receiving communication data of the mobile radio station and sending the communication information through a satellite communication system or other communication systems through satellite equipment or other communication equipment; receiving communication data sent by satellite equipment or other communication equipment through a satellite communication system or other communication systems and forwarding the mobile station radio station;
the satellite equipment is used for sending or receiving communication data sent by the mobile gateway through a satellite communication system;
the mobile station radio station is used for receiving the communication data generated by the user and sending the communication data to the mobile gateway;
and the network management platform is used for managing the mobile gateway, managing user information and controlling a communication process.
A plurality of mobile radio stations are connected with one mobile gateway; each mobile gateway is correspondingly connected with one or a plurality of satellite devices; the gateway equipment can be provided with a plurality of stations, and each gateway equipment is correspondingly connected with and manages a plurality of mobile gateways.
The mobile gateway is provided with a network interface, and is connected with each communication system or network management platform through the network interface; the communication system includes but is not limited to: an internet communication system, a mobile communication system, a private network communication system, or a conventional voice communication system.
The mobile station radio station comprises a mobile station and a radio station, and the mobile station and the radio station can support a VHF very high frequency radio communication network, a UHF ultrahigh frequency radio network, an analog radio station network and a digital narrow-band communication network;
wherein the content of the first and second substances,
the mobile station is used for receiving the communication data generated by the user and sending the radio station;
and the radio station is used for receiving the communication data sent by the mobile station and forwarding the mobile gateway.
The satellite terminal is a satellite communication system receiving/transmitting terminal and can perform satellite link communication corresponding to one or more satellite communication systems.
The network management platform is directly connected with the mobile gateway or is connected with the mobile gateway through a communication system; and performing grouping and regional management operation on the users connected with the mobile gateway.
The network management platform adds a mobile gateway corresponding to each working group in the working groups according to the user attribute or sets at least one working group; and distributing related configuration for each connected mobile gateway to realize dynamic management of the mobile gateway.
The mobile gateway can be independently connected with the sound collection equipment and the sound playing equipment and is used for receiving the voice data sent by the user and playing the voice data to the user.
The voice data of the user is input into the mobile gateway through the sound collection equipment;
after the mobile gateway enters high-speed AD sampling through a filter circuit and a signal amplification circuit, the voice data is converted into digital signals;
the digital signal is distributed to one or more opposite-end mobile gateways corresponding to the same user group through satellite equipment, a satellite communication system or other communication systems after being subjected to audio coding;
and after decoding the voice data, the opposite-end mobile gateway plays the voice data through a mobile station radio station or sound playing equipment.
The mobile gateway comprises an encryption module which is used for encrypting or decrypting communication data according to a 256-bit AES-CTR encryption algorithm.
The technical scheme of the invention provides a converged communication digital intercom system, which comprises satellite equipment, a mobile gateway, a network management platform and a mobile station radio station, wherein the mobile station radio station is connected with the mobile gateway, the mobile gateways are mutually connected through the satellite equipment or other communication equipment, and the network management platform is connected with the mobile gateway through other communication equipment; the method comprises the following steps: the mobile gateway is used for receiving communication data of the mobile radio station and sending the communication information through a satellite communication system or other communication systems through satellite equipment or other communication equipment; receiving communication data sent by satellite equipment or other communication equipment through a satellite communication system or other communication systems and forwarding the mobile station radio station; the satellite equipment is used for sending or receiving communication data sent by the mobile gateway through a satellite communication system; the mobile station radio station is used for receiving the communication data generated by the user and sending the communication data to the mobile gateway; and the network management platform is used for managing the mobile gateway, managing user information and controlling a communication process.
The invention combines satellite communication and digital narrowband communication related technologies, utilizes a set of simple existing components, realizes intercommunication and interconnection of various communication modes through satellite communication or ground 3G/4G/5G/LTE/LAN communication, extends the coverage range of radio cluster communication, continues talkback simple and convenient use scenes, and has safer communication link, more flexible communication group and more visual background management. Can be widely used in the fields of public safety, public utilities, offshore operation, mining, petroleum, natural gas and the like.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram illustrating a user requirement analysis according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a converged communication digital intercom system according to an embodiment of the present invention;
FIG. 3 is a block diagram of one particular digital intercom embodiment of an embodiment of the present invention;
FIG. 4 is a diagram illustrating a multi-frequency convergence between different networks according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a mobile gateway interface according to an embodiment of the present invention;
FIG. 6 is a block diagram of a mobile gateway architecture according to an embodiment of the present invention;
fig. 7 is a block diagram of voice message transmission of a mobile gateway according to an embodiment of the present invention;
fig. 8 is a circuit diagram of an audio sampling circuit that may be employed by a mobile gateway according to an embodiment of the present invention;
fig. 9 is a voice output circuit diagram that may be employed by a mobile gateway according to an embodiment of the present invention;
fig. 10a, 10b, 10c and 10d are schematic diagrams of the main processor of the mobile gateway.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Based on the basic analysis of the user's needs, as shown in fig. 1, for the short board of the conventional interphone, a center of communication needs to be established in a targeted manner, so as to be able to undertake the remote communication between the conventional interphones in different sites. Therefore, the embodiment of the invention combines the satellite communication and digital narrowband communication related technologies, utilizes a set of simple existing components, realizes intercommunication and interconnection of multiple communication modes through satellite communication or ground 3G/4G/5G/LTE/LAN communication, and continues the simple and convenient use scene of the talkback type while expanding the coverage range of radio trunking communication.
Fig. 2 is a schematic structural diagram of a converged communication digital intercom system according to a first embodiment of the present invention. As shown in fig. 2, the converged communication digital intercom system includes a satellite device, a mobile gateway, a network management platform and a mobile station radio station, wherein the mobile station radio station is connected to the mobile gateway, the mobile gateways are connected to each other through the satellite device or other communication devices, and the network management platform is connected to the mobile gateway through other communication devices; the method comprises the following steps:
the mobile gateway is used for receiving communication data of the mobile radio station and sending the communication information through a satellite communication system or other communication systems through satellite equipment or other communication equipment; receiving communication data sent by satellite equipment or other communication equipment through a satellite communication system or other communication systems and forwarding the mobile station radio station;
the satellite equipment is used for sending or receiving communication data sent by the mobile gateway through a satellite communication system;
the mobile station radio station is used for receiving the communication data generated by the user and sending the communication data to the mobile gateway;
and the network management platform is used for managing the mobile gateway, managing user information and controlling a communication process.
In the embodiment of the invention, a plurality of mobile radio stations are connected with one mobile gateway; each mobile gateway is correspondingly connected with one or a plurality of satellite devices; the gateway equipment can be provided with a plurality of stations, and each gateway equipment is correspondingly connected with and manages a plurality of mobile gateways.
The mobile gateway is provided with a network interface, and is connected with each communication system or network management platform through the network interface; the communication system includes but is not limited to: an internet communication system, a mobile communication system, a private network communication system or a conventional voice communication system, i.e. satellite communication or terrestrial 3G/4G/5G/LTE/LAN communication.
The mobile station radio station comprises a mobile station and a radio station, and the mobile station and the radio station can support a VHF very high frequency radio communication network, a UHF ultrahigh frequency radio network, an analog radio station network and a digital narrow-band communication network;
wherein the content of the first and second substances,
the mobile station is used for receiving the communication data generated by the user and sending the radio station;
and the radio station is used for receiving the communication data sent by the mobile station and forwarding the mobile gateway.
The satellite terminal is a satellite communication system receiving/transmitting terminal and can perform satellite link communication corresponding to one or more satellite communication systems.
The network management platform is directly connected with the mobile gateway or is connected with the mobile gateway through a communication system; and performing grouping and regional management operation on the users connected with the mobile gateway.
The network management platform adds a mobile gateway corresponding to each working group in the working groups according to the user attribute or sets at least one working group; and distributing related configuration for each connected mobile gateway to realize dynamic management of the mobile gateway.
The mobile gateway can be independently connected with the sound collection equipment and the sound playing equipment and is used for receiving the voice data sent by the user and playing the voice data to the user.
The voice data of the user is input into the mobile gateway through the sound collection equipment;
after the mobile gateway enters high-speed AD sampling through a filter circuit and a signal amplification circuit, the voice data is converted into digital signals;
the digital signal is distributed to one or more opposite-end mobile gateways corresponding to the same user group through satellite equipment, a satellite communication system or other communication systems after being subjected to audio coding;
and after decoding the voice data, the opposite-end mobile gateway plays the voice data through a mobile station radio station or sound playing equipment.
The mobile gateway comprises an encryption module which is used for encrypting or decrypting communication data according to a 256-bit AES-CTR encryption algorithm.
As shown in fig. 3, a structure diagram of a specific digital intercom implementation scheme provided for the embodiment of the present invention includes:
1. a satellite device. And various maritime satellite terminals and VSAT satellite terminals are supported.
2. And (4) moving the gateway. The mobile gateway is a central component of a user end in the scheme, is an IP-based radio and data communication device, supports integration of various paths of satellite/3G/4G/5G/LTE/LAN and a land mobile communication system (LMR) or a ship-borne radio, and realizes seamless switching between available networks under any condition.
The method mainly realizes the processing of a very high frequency, analog radio station and a digital narrow-band communication terminal, is the data processing between a network end and the radio station, can realize the interconnection under various different environments by a flexible connection mode, and is also the main body of the hardware part of the invention; the device can be used in the field and in the center. The field is mainly used for connecting satellite equipment and a radio station and is responsible for field network communication; the center management is mainly connected with a private line and can also be connected with a 4G network to realize a temporary mobile management center.
3. And (5) a network management platform. The network management platform can be used as an internet-based portal website, so that the configuration of all mobile gateways is simple and easy to implement, and the user system can be updated and managed in a contactless manner through the network no matter where the mobile gateways are located.
The network management platform is a set of software system services arranged on a special line and can manage in a user, group and regional mode, a plurality of independent groups can be set in the center to realize field separate management and interconnection of a plurality of fields.
In order to prevent crosstalk between different users or respective control of different operation groups by the same user, the whole system is realized by grouping management of a network management platform; the network management platform is provided with a plurality of working groups, and adds respective mobile gateways (each gateway has a unique ID number) in the working groups, and the network management platform allocates relevant configuration for each connected mobile gateway to realize the dynamic management of the terminal.
4. A mobile station radio station. And the interconnection of the site mobile station calling information with the satellite equipment and the mobile gateway is realized through the radio station.
The radio station equipment is mainly responsible for branch and set communication with the mobile station terminal and is a connector between the mobile station and the mobile gateway; standard VHF/UHF stations are supported. The first equipment mainly realizes communication equipment among field personnel and is compatible with the existing mobile stations.
This system can realize multifrequency and fuse: the VHF very high frequency radio communication network A and the UHF ultra high frequency radio network B are interconnected in real time through the system. After accessing the system, other proprietary networks and scheduling systems can also be interfaced through the IP network. Fig. 4 is a schematic diagram illustrating the fusion between different networks with multiple frequencies.
The core component of the device side of the present invention is a mobile gateway, as shown in fig. 5, which is a schematic view of a mobile gateway interface, fig. 6 is a schematic view of a mobile gateway structural framework, wherein,
through the I/O interface, the mobile gateway interfaces the voice and PTT (Push-to-Talk) controls of the radio station.
The mobile gateway main interface comprises:
handset interface: for connecting a handset (which contains a speaker and microphone) for listening to and sending voice.
A network interface: the method is used for data connection of voice signals on the background network management platform.
A power supply port: and providing power supply required by the equipment.
I/O control: for use in station control and extended functionality.
USB expansion maintenance: the method is mainly used for upgrading the system and expanding the system functions.
The mobile gateway is defined by the use characteristics of the general PTT, the voice information transmission is in a half-duplex mode in terms of the use effect of the mobile gateway, the use mode meets the voice communication of a user, the bandwidth occupation is greatly reduced, and meanwhile, the service life of a battery is prolonged.
Voice signals are input into the mobile gateway through a microphone, the gateway enters high-speed AD sampling through a filter circuit and a signal amplification circuit, the sampled voice signals are changed into digital signals, and the digital signals are transmitted to a network management platform after audio coding (code rate is 32 k-64 k); the voice data is distributed to one or more mobile gateways in the same group through the management of the network management platform; finally, other mobile gateways decode the voice and then broadcast the voice. As shown in particular in fig. 7.
In order to prevent the voice data from being intercepted in the network transmission process, the voice data is encrypted by using a 256-bit AES-CTR encryption algorithm before transmission. The encrypted data transmission does not need to worry about the data being intercepted and restored by a third party, and the safety and the reliability of user communication are greatly guaranteed.
Fig. 8 is a circuit diagram of an audio sampling circuit that can be used by the mobile gateway, fig. 9 is a circuit diagram of a voice output circuit, and fig. 10a, fig. 10b, fig. 10c, and fig. 10d are schematic diagrams of a main processor of the mobile gateway, respectively.
The technical scheme of the invention provides a converged communication digital intercom system, which comprises satellite equipment, a mobile gateway, a network management platform and a mobile station radio station, wherein the mobile station radio station is connected with the mobile gateway, the mobile gateways are mutually connected through the satellite equipment or other communication equipment, and the network management platform is connected with the mobile gateway through other communication equipment; the method comprises the following steps: the mobile gateway is used for receiving communication data of the mobile radio station and sending the communication information through a satellite communication system or other communication systems through satellite equipment or other communication equipment; receiving communication data sent by satellite equipment or other communication equipment through a satellite communication system or other communication systems and forwarding the mobile station radio station; the satellite equipment is used for sending or receiving communication data sent by the mobile gateway through a satellite communication system; the mobile station radio station is used for receiving the communication data generated by the user and sending the communication data to the mobile gateway; and the network management platform is used for managing the mobile gateway, managing user information and controlling a communication process.
The invention combines satellite communication and digital narrowband communication related technologies, utilizes a set of simple existing components, realizes intercommunication and interconnection of various communication modes through satellite communication or ground 3G/4G/5G/LTE/LAN communication, extends the coverage range of radio cluster communication, continues talkback simple and convenient use scenes, and has safer communication link, more flexible communication group and more visual background management. Can be widely used in the fields of public safety, public utilities, offshore operation, mining, petroleum, natural gas and the like.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A converged communication digital intercom system is characterized by comprising satellite equipment, a mobile gateway, a network management platform and a mobile station radio station, wherein the mobile station radio station is connected with the mobile gateway, the mobile gateways are mutually connected through the satellite equipment or other communication equipment, and the network management platform is connected with the mobile gateway through other communication equipment; wherein:
the mobile gateway is used for receiving communication data of the mobile radio station and sending the communication information through a satellite communication system or other communication systems through satellite equipment or other communication equipment; receiving communication data sent by satellite equipment or other communication equipment through a satellite communication system or other communication systems and forwarding the mobile station radio station;
the satellite equipment is used for sending or receiving communication data sent by the mobile gateway through a satellite communication system;
the mobile station radio station is used for receiving the communication data generated by the user and sending the communication data to the mobile gateway;
and the network management platform is used for managing the mobile gateway, managing user information and controlling a communication process.
2. A converged communication digital intercom system according to claim 1, wherein a plurality of said mobile stations are connected to one of said mobile gateways; each mobile gateway is correspondingly connected with one or a plurality of satellite devices; the gateway equipment can be provided with a plurality of stations, and each gateway equipment is correspondingly connected with and manages a plurality of mobile gateways.
3. The converged communication digital intercom system according to claim 1, wherein the mobile gateway is provided with a network interface through which each communication system or network management platform is connected; the communication system includes but is not limited to: an internet communication system, a mobile communication system, a private network communication system, or a conventional voice communication system.
4. The converged communication digital intercom system of claim 1, wherein the mobile station radio comprises a mobile station and a radio station, the mobile station and the radio station can support a VHF very high frequency radio communication network, a UHF radio network, an analog radio network and a digital narrowband communication network; wherein the content of the first and second substances,
the mobile station is used for receiving the communication data generated by the user and sending the radio station;
and the radio station is used for receiving the communication data sent by the mobile station and forwarding the mobile gateway.
5. The converged communication digital intercom system according to claim 1, wherein the satellite terminal is a satellite communication system receiving/transmitting terminal capable of performing satellite link communication corresponding to one or more satellite communication systems.
6. The converged communication digital intercom system according to claim 1, wherein the network management platform is connected to the mobile gateway directly or through a communication system; and performing grouping and regional management operation on the users connected with the mobile gateway.
7. The digital intercom system according to claim 6, wherein said network management platform adds a mobile gateway corresponding to each workgroup in the workgroup according to user attributes or sets at least one workgroup; and distributing related configuration for each connected mobile gateway to realize dynamic management of the mobile gateway.
8. The converged communication digital intercom system according to claim 1, wherein the mobile gateway is capable of independently connecting the sound collection device and the sound playing device for receiving the voice data sent by the user and playing the voice data to the user.
9. The converged communication digital intercom system according to claim 8, wherein the voice data of the user is input to the mobile gateway through a sound collection device;
after the mobile gateway enters high-speed AD sampling through a filter circuit and a signal amplification circuit, the voice data is converted into digital signals;
the digital signal is distributed to one or more opposite-end mobile gateways corresponding to the same user group through satellite equipment, a satellite communication system or other communication systems after being subjected to audio coding;
and after decoding the voice data, the opposite-end mobile gateway plays the voice data through a mobile station radio station or sound playing equipment.
10. The converged communication digital intercom system of claim 1, wherein the mobile gateway includes an encryption module for encrypting or decrypting communication data according to a 256-bit AES-CTR encryption algorithm.
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