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CN113225122B - Dialing method and system for calling land telephone network user of airborne narrowband satellite telephone - Google Patents

Dialing method and system for calling land telephone network user of airborne narrowband satellite telephone Download PDF

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Publication number
CN113225122B
CN113225122B CN202110391943.1A CN202110391943A CN113225122B CN 113225122 B CN113225122 B CN 113225122B CN 202110391943 A CN202110391943 A CN 202110391943A CN 113225122 B CN113225122 B CN 113225122B
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satellite
telephone network
ground
telephone
user
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CN113225122A (en
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包少彬
张琰
高恒伟
骆乐
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Nanjing Panda Handa Technology Co Ltd
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Nanjing Panda Handa Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18558Arrangements for managing communications, i.e. for setting up, maintaining or releasing a call between stations

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention discloses a dialing method and a system for calling land telephone network users of airborne narrowband satellite telephones, which comprises the following steps: the onboard satellite telephone is accessed to an onboard comprehensive display system, and an onboard user dials a called number through the comprehensive display system when using the satellite telephone to call, and selectively calls a satellite telephone network or a ground telephone network user by adding a digital prefix; the satellite network management system identifies the called user as a satellite telephone network user or a ground telephone network user according to the received prefix of the calling number of the airborne satellite telephone; when the called party is a ground telephone network user, the satellite central station sends the called number with the removed prefix to the satellite ground station and converts the called number into a signaling which can be identified by a ground telephone network program-controlled exchanger; after receiving the called number, the ground telephone network program controlled exchanger processes according to the calling flow to establish the voice communication between the called user and the airborne satellite telephone. The invention calls the users of the ground telephone network by adopting a direct dialing mode, and is simple, efficient, safe and reliable.

Description

Dialing method and system for calling ground telephone network user of airborne narrowband satellite telephone
Technical Field
The invention belongs to the technical field of satellite communication, and particularly relates to a dialing method and a system for a calling ground telephone network user of an airborne narrowband satellite telephone.
Background
By means of the advantages of wide-range and over-the-horizon satellite communication peculiar to satellite communication and the continuous development and popularization of satellite communication technology and application, the requirement of an aircraft platform on satellite communication is continuously improved, and particularly in the application field of military communication and industries with transoceanic flight services, the requirement of airborne satellite communication is more urgent and important.
In the aspect of airborne satellite communication application, the application is generally divided into broadband and narrowband according to actual requirements, wherein the broadband communication is generally used for large-flow data communication including network interconnection, data transmission, video communication and the like, and the narrowband communication is generally used for meeting basic communication and command.
In the field of airborne narrowband satellite communication applications for meeting basic communication and command, airborne satellite phone users are essentially pilots themselves who need to make and receive calls through an airborne integrated display system when using telephone services. The airborne integrated display system is one of important man-machine interfaces between a pilot and the surrounding environment, and is an important guarantee for the pilot to accurately and efficiently acquire task information. Therefore, there is a need for an integrated display system that provides the pilot with the appropriate, timely, and accurate data in a more flexible manner, ensuring the safety of the pilot, and providing the necessary mission information.
Because the airborne integrated display system needs to provide safer, simpler, more efficient and more timely guarantee for the pilot, the integrated display system cannot provide a secondary dialing function in practical application, so that the pilot cannot directly and randomly dial a ground telephone network user when using a satellite telephone, needs to select to dial a specified ground telephone network hot line number, realizes communication with other users of the ground telephone network in a manual switching mode, and increases the complexity and the danger of the pilot operation.
Disclosure of Invention
The invention aims to provide a simple, efficient, safe and reliable dialing method when an airborne narrowband satellite telephone calls any ground telephone network user.
The technical solution for realizing the purpose of the invention is as follows: a dialing method when an airborne narrowband satellite telephone calls a user of a ground telephone network comprises the following steps:
the onboard satellite telephone is accessed to the onboard comprehensive display system, and when a user on the phone uses the satellite telephone to call, the user dials a called number through the comprehensive display system and selectively calls a satellite telephone network or a ground telephone network user by adding a digital prefix;
the satellite network management system identifies the called user as a satellite telephone network user or a ground telephone network user according to the received prefix of the calling number of the airborne satellite telephone;
When the called party is a ground telephone network user, the satellite central station sends the called number with the prefix removed to the satellite ground station and converts the rest numbers into a signaling which can be identified by a ground telephone network program-controlled switch;
after receiving the called number, the ground telephone network program controlled exchanger processes according to the calling flow to establish the voice communication between the called user and the airborne satellite telephone.
Furthermore, the airborne satellite telephone service landing is realized by a satellite ground station, the satellite ground station is provided with a relay channel which can be accessed to a ground telephone network program control exchanger, and the relay channel converts the residual numbers into signaling which can be identified by the ground telephone network program control exchanger.
Furthermore, the satellite network management system is used for satellite telephone centralized management, and the satellite network management system and the satellite ground station are co-located and share radio frequency and antenna equipment.
Furthermore, the satellite ground station configures a plurality of relay channels, including an outgoing relay channel and an incoming relay channel of a satellite telephone network, so as to realize multi-user landing.
Furthermore, the satellite network management system is provided with a satellite telephone network outgoing prefix number used for a satellite telephone network user to dial a ground telephone network user, and after receiving a call application and a number of an airborne satellite telephone user, the satellite network management system identifies whether the number has the prefix or not:
If no prefix number exists, the call is identified as an in-network call, and the call is processed according to the in-network call related flow;
if the prefix number is the set outgoing prefix number, inquiring an available outgoing relay channel, discarding the prefix number, sending the rest numbers to the outgoing relay channel, distributing communication frequency points and keys for calling satellite telephone network users and the selected outgoing relay channel, and establishing a satellite telephone communication link.
An airborne narrowband satellite phone dialing system when calling a user of a terrestrial phone network, comprising:
the onboard comprehensive display system is used for accessing the onboard satellite telephone, and an onboard user dials a called number through the comprehensive display system when using a satellite telephone to call, and selectively calls a satellite telephone network or a ground telephone network user by adding a digital prefix;
the satellite network management system is used for centralized management of satellite telephones and identifies a called user as a satellite telephone network user or a ground telephone network user according to the prefix of a calling number of a received airborne satellite telephone;
the satellite central station is used for sending the called number with the removed prefix to the satellite ground station;
the satellite ground station is used for landing the airborne satellite telephone service, and is provided with a relay channel which can be accessed to a ground telephone network program control exchanger;
And the ground telephone network program-controlled exchanger receives the called number and then processes the called number according to the calling flow to establish voice communication between the called user and the airborne satellite telephone.
Further, the satellite ground station is provided with a relay channel which can be accessed to the ground telephone network program-controlled exchange, and the relay channel converts the residual number into a signaling which can be identified by the ground telephone network program-controlled exchange.
Further, the satellite network management system is co-located with a ground satellite station and shares radio frequency and antenna equipment.
Furthermore, when the satellite network management system identifies the called user as a ground telephone network user, the satellite central station sends the called number with the prefix removed to a relay channel of the satellite ground station, and the relay channel converts the residual number into a signaling which can be identified by a ground telephone network program-controlled switch.
Furthermore, the satellite ground station configures a plurality of relay channels including an outgoing relay signal and an incoming relay channel of a satellite telephone network, so that multi-user landing is realized.
Compared with the prior art, the invention has the remarkable advantages that: (1) the ground telephone network user is called by adopting a direct dialing mode, the complexity, the inefficiency and the calling time caused by secondary dialing or dialing of a ground telephone network hot line and manual switching are avoided, and the safety of a pilot and the timeliness of command communication are ensured; (2) the satellite network management system has automatic identification and processing functions, can identify the attribute of a called user according to the number dialed by the airborne user, and automatically distributes satellite telephone network user signals or relay channels, thereby improving the timeliness of calling; (3) the multi-path relay channel can provide telephone service landing for a plurality of airborne users, can realize hot backup of the relay channel, improves the reliability of the system and the success rate of telephone calling, and integrally improves the guarantee capability of the satellite communication system; (4) the automatic identification, processing and calling processes can be realized through software processes, the technology and engineering implementation is simple, and the method is convenient for practical popularization and application.
Drawings
Fig. 1 is a flow chart of a dialing method of a calling land telephone network user of an airborne narrowband satellite telephone according to the invention.
Detailed Description
The invention relates to a dialing method when an airborne narrowband satellite telephone calls a calling land telephone network user, which comprises the following steps:
the onboard satellite telephone is accessed to an onboard comprehensive display system, and an onboard user dials a called number through the comprehensive display system when using the satellite telephone to call, and selectively calls a satellite telephone network or a ground telephone network user by adding a digital prefix;
the satellite network management system identifies the called user as a satellite telephone network user or a ground telephone network user according to the received prefix of the calling number of the airborne satellite telephone;
when the called party is a ground telephone network user, the satellite central station sends the called number with the removed prefix to the satellite ground station and converts the rest number into a signaling which can be identified by a ground telephone network program-controlled switch;
after receiving the called number, the ground telephone network program controlled exchanger processes according to the calling flow to establish the voice communication between the called user and the airborne satellite telephone.
As a specific embodiment, the airborne satellite telephone service landing is realized by a satellite ground station, the satellite ground station is provided with a relay channel which can be accessed to a ground telephone network program control exchange, and the relay channel converts the residual number into a signaling which can be recognized by the ground telephone network program control exchange.
In one embodiment, the satellite network management system is used for centralized management of satellite telephones, and the satellite network management system is co-located with the satellite ground station and shares radio frequency and antenna equipment.
As a specific embodiment, the satellite ground station configures a plurality of relay channels, including an outgoing relay channel and an incoming relay channel of a satellite telephone network, so as to realize multi-user landing.
As a specific embodiment, the satellite network management system is provided with a satellite telephone network outgoing prefix number for a satellite telephone network user to dial a terrestrial telephone network user, and after receiving a call application and a number of an airborne satellite telephone user, identifies whether the number has the prefix:
if no prefix number exists, the call is identified as an in-network call, and the call is processed according to the in-network call related flow;
if the prefix number is the set outgoing prefix number, inquiring an available outgoing trunk channel, discarding the prefix number and sending the rest numbers to the outgoing trunk channel, and distributing communication frequency points and keys for the calling satellite telephone network user and the selected outgoing trunk channel to establish a satellite telephone communication link.
The invention relates to a dialing system when a machine carries narrowband satellite telephone to call a ground telephone network user, comprising:
The onboard comprehensive display system is used for accessing an onboard satellite telephone, and an onboard user dials a called number through the comprehensive display system when using the satellite telephone to call, and selectively calls a satellite telephone network or a ground telephone network user by adding a digital prefix;
the satellite network management system is used for centralized management of satellite telephones and identifies a called user as a satellite telephone network user or a ground telephone network user according to the prefix of a calling number of a received airborne satellite telephone;
the satellite central station is used for sending the called number with the removed prefix to a satellite ground station;
a satellite ground station for landing the airborne satellite telephone service, the satellite ground station being configured with a trunk channel accessible to a ground telephone network SPC exchange;
and the ground telephone network program-controlled exchanger receives the called number and then processes the called number according to the calling flow to establish voice communication between the called user and the airborne satellite telephone.
In one embodiment, the satellite ground station is configured with a trunk channel that enables access to the ground telephone network SPC exchange, and the trunk channel converts the remaining number into signaling recognizable by the ground telephone network SPC exchange.
In one embodiment, the satellite network management system is co-located with a ground satellite station and shares radio frequency and antenna equipment.
As a specific embodiment, when the satellite network management system identifies the called user as a ground telephone network user, the satellite central station sends the called number with the removed prefix to a relay channel of the satellite ground station, and the relay channel converts the remaining number into a signaling which can be identified by a ground telephone network program-controlled switch.
As a specific embodiment, the satellite ground station configures multiple relay channels, including an outgoing relay signal and an incoming relay channel of a satellite telephone network, to implement multi-user landing.
The dialing method for calling the terrestrial telephone network user by the onboard narrowband satellite telephone provided by the invention is described in detail below with reference to the figures and the specific embodiment.
Examples
As shown in fig. 1, the dialing method for calling a terrestrial telephone network user by an airborne narrowband satellite telephone according to this embodiment includes the following steps:
the onboard satellite telephone is connected to the onboard comprehensive display system through a physical line, when a pilot calls a satellite telephone network user, the pilot dials the telephone number of the satellite telephone network of the called user through the comprehensive display, if the user number of the satellite telephone network is 123456, the pilot directly keys in the 123456 on the comprehensive display and waits for dialing. When the pilot calls the ground telephone network user, the pilot dials the satellite outgoing prefix number + the called user ground telephone network number set in the satellite network management system through the comprehensive display, if the satellite telephone network outgoing prefix number is 168, and the ground telephone network user number is 021 + 12345678, the pilot waits for dialing after inputting '16802112345678' once on the comprehensive display;
The satellite ground station for landing the airborne satellite telephone service is provided with channel equipment specially used for processing satellite relay service, the equipment is connected with the ground telephone network program control switch through a physical circuit and matched with a communication signaling, and can receive a calling number of an airborne satellite telephone user and send the calling number to the ground telephone network program control switch, so that interconnection and intercommunication between the airborne satellite telephone user and the ground telephone network user are realized;
the satellite network management system for satellite telephone centralized management can be independently configured or installed in the ground satellite station, and shares radio frequency and antenna equipment with the ground satellite station. The satellite network management system sets a satellite telephone network outgoing prefix number (168) specially used for a satellite telephone network user to dial a ground telephone network user in advance, identifies whether the number has a prefix or not after receiving a call application and the number of an airborne satellite telephone user, identifies the number as an in-network call if the number does not have the prefix number, processes the call according to a relevant process, inquires an available outgoing trunk channel if the number has the prefix number and the prefix number is the set outgoing prefix number, discards the prefix number and sends the rest numbers to the outgoing trunk channel, distributes communication frequency points and keys (optional) for a calling satellite telephone network user and the selected outgoing trunk channel, establishes a satellite telephone communication link, and sends the called number to a ground telephone network program-controlled switch after the satellite outgoing trunk channel receives the called number sent by the satellite network management system, after receiving the called number, the ground telephone network program controlled exchanger processes the call according to the standard flow and establishes a telephone communication link with the satellite outgoing trunk channel. Such as: and (3) when the user of the onboard satellite telephone dials 123456, the satellite network management system distributes communication frequency points and keys (optional) to the calling party and the called party according to the established flow, and a satellite communication link is established. When the user of the onboard satellite telephone dials 16802112345678, the satellite network management system discards the prefix number 168, sends 02112345678 only to the satellite to give a relay channel, the relay channel sends the number to the ground telephone network program controlled switch, and the program controlled switch calls the called user according to the standard process, and finally establishes the telephone communication between the user of the onboard satellite telephone and the user of the ground telephone network.
In summary, the dialing method and system for calling the user of the terrestrial telephone network by the airborne narrowband satellite telephone provided by the embodiment have the following beneficial effects: (1) the ground telephone network user is called by adopting a direct dialing mode, so that the complexity, inefficiency and calling time caused by secondary dialing or dialing of a ground telephone network hot line and a manual switching mode are avoided, and the safety of a pilot and the timeliness of command communication are ensured; (2) the satellite network management system has automatic identification and processing functions, can identify the attribute of a called user according to the number dialed by the airborne user, and automatically distributes satellite telephone network user signals or relay channels, thereby improving the timeliness of calling; (3) the multi-path relay channel can provide telephone service landing for a plurality of airborne users, can realize hot backup of the relay channel, improves the reliability of the system and the success rate of telephone calling, and integrally improves the guarantee capability of the satellite communication system; (4) the automatic identification, processing and calling processes can be realized through software processes, the technology and the process are simple to implement, and the method is convenient to popularize and apply practically.
It should be noted herein that while the above describes exemplifying embodiments of the invention with reference to the accompanying drawings, the invention is not limited to the above-mentioned embodiments and fields of application, and that the above-mentioned embodiments are merely illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the appended claims.

Claims (8)

1. A dialing method for a user of an airborne narrowband satellite telephone calling ground telephone network is characterized by comprising the following steps:
the onboard satellite telephone is accessed to the onboard comprehensive display system, and when a user on the phone uses the satellite telephone to call, the user dials a called number through the comprehensive display system and selectively calls a satellite telephone network or a ground telephone network user by adding a digital prefix;
the satellite network management system identifies the called user as a satellite telephone network user or a ground telephone network user according to the received prefix of the calling number of the airborne satellite telephone;
when the called party is a ground telephone network user, the satellite central station sends the called number with the prefix removed to the satellite ground station and converts the rest numbers into a signaling which can be identified by a ground telephone network program-controlled switch;
after receiving the called number, the ground telephone network program-controlled exchanger processes the number according to the calling flow and establishes voice communication between the called user and the airborne satellite telephone;
the landing of the airborne satellite telephone service is realized by a satellite ground station, the satellite ground station is provided with a relay channel which can be accessed to a ground telephone network program control exchanger, and the relay channel converts the residual numbers into signaling which can be recognized by the ground telephone network program control exchanger.
2. The method as claimed in claim 1, wherein the satellite network management system is used for centralized management of satellite phones, and the satellite network management system is co-located with the satellite ground station and shares radio frequency and antenna equipment.
3. The method as claimed in claim 1, wherein said satellite earth station is configured with multiple trunk channels, including an outgoing trunk channel and an incoming trunk channel, to enable multi-user landing.
4. The method as claimed in claim 1, wherein the satellite network management system is configured to provide a satellite telephone network outgoing prefix number for a satellite telephone network subscriber to dial a terrestrial telephone network subscriber, and to identify the presence or absence of the prefix after receiving a call request and the number from the onboard satellite telephone subscriber:
if no prefix number exists, the call is identified as an in-network call, and the call is processed according to the in-network call related flow;
if the prefix number is the set outgoing prefix number, inquiring an available outgoing relay channel, discarding the prefix number, sending the rest numbers to the outgoing relay channel, distributing communication frequency points and keys for calling satellite telephone network users and the selected outgoing relay channel, and establishing a satellite telephone communication link.
5. A system for dialing a subscriber to an airborne narrowband satellite telephone calling land-based telephone network, comprising:
the onboard comprehensive display system is used for accessing an onboard satellite telephone, and an onboard user dials a called number through the comprehensive display system when using the satellite telephone to call, and selectively calls a satellite telephone network or a ground telephone network user by adding a digital prefix;
the satellite network management system is used for centralized management of satellite telephones and identifies a called user as a satellite telephone network user or a ground telephone network user according to the prefix of a calling number of a received airborne satellite telephone;
the satellite central station is used for sending the called number with the removed prefix to a satellite ground station;
the satellite ground station is used for landing the airborne satellite telephone service, and is provided with a relay channel which can be accessed to a ground telephone network program control exchanger;
the ground telephone network program-controlled exchanger, after receiving the called number, processes according to the calling flow, and establishes voice communication between the called user and the airborne satellite telephone;
the satellite ground station is provided with a relay channel which can be accessed to the ground telephone network program-controlled exchange, and the relay channel converts the residual number into a signaling which can be identified by the ground telephone network program-controlled exchange.
6. The system of claim 5, wherein the satellite network management system is co-located with a ground satellite station and shares radio frequency and antenna equipment.
7. The system of claim 5, wherein the satellite central station sends the called number with the removed prefix to the relay channel of the satellite ground station when the satellite network management system identifies the called subscriber as a ground telephone network subscriber.
8. The system of claim 5, wherein the satellite earth station is configured with multiple trunk channels, including satellite telephone network outgoing trunk signals and incoming trunk channels, to enable multi-user landing.
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