CN114337784B - Method for accurately transmitting short message based on satellite mobile communication system - Google Patents
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Abstract
The invention discloses a method for accurately sending short messages based on a satellite mobile communication system, which comprises the steps of mapping management of satellite beams and service areas, encapsulation of satellite mobile satellite short message broadcasting capability, external opening, service capability sending management of satellite mobile short message, service docking management with an access network GSC and the like.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to a method for accurately sending short messages based on a satellite mobile communication system.
Background
The satellite mobile communication system is used as an extension and extension of a land cellular mobile communication system, can provide large-span, large-range and long-distance roaming and maneuvering and flexible mobile communication services for users in a coverage area, and has unique superiority in communication aspects such as remote areas, mountain areas, islands, disaster areas, ocean vessels, long-distance airplanes and the like. In order to provide high-quality and smooth network service for users during operation of a satellite mobile communication system, the areas not covered by a ground network or areas with poor coverage signals of the ground network need to be enabled to normally receive early warning information and the like sent by related departments, the early warning information and notifications of public service, industry application, business application and the like are rapidly and efficiently released within a selected range, and the utilization efficiency of satellite network resources is improved. Real-time broadcast information of a particular beam coverage area of a satellite communications network is provided for a particular client in a unidirectional, small data volume.
At present, no related patent exists in China, and the existing satellite mobile communication is still in a market exploration stage, so that adaptive technical transformation and research and development of related products are required to be carried out aiming at the market. Aiming at the current market situation, the method has unique superiority and demand in industries such as public service, fishery, forestry, ocean vessels, long-distance aircraft and the like, and can rapidly and efficiently release broadcast information in a specific range, early warning is carried out in advance, and the loss is reduced to the minimum.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides a method for accurately sending short messages based on a satellite mobile communication system and a construction method thereof.
The invention provides a method for accurately sending short messages based on a satellite mobile communication system, which comprises the following steps of mapping management of satellite beams and service areas, encapsulation of satellite mobile satellite short message broadcasting capability, management of sending satellite mobile short message service capability, service docking management with an access network GSC and the like:
(S1) the service system maintains corresponding broadcast channel mapping information in the system in advance according to the minimum service object of the satellite mobile number one satellite and the coverage area of one BCCH;
(S2) the SP client sends broadcast information to the appointed satellite beam area through a short message capability opening interface on a capability opening platform, the service system carries out service authentication on the client request after receiving the request of the SP client, and the request can be forwarded to a subsequent module for processing only after the authentication is passed;
(S3) the short message sending module sends the short message broadcast sending message passing the verification to the GSC protocol adaptation module;
(S4) the GSC protocol adaptation module encodes and packs the short message after receiving the sending request and sends the short message to the GSC, and meanwhile, communication abnormality is required to be processed;
(S5) after receiving the request, the GSC access network transmits the request to a satellite mobile satellite I;
and (S6) analyzing the broadcast information by the satellite mobile satellite I, and precisely transmitting the broadcast information to the selected appointed beam area, wherein the satellite mobile terminal in the transmission beam area can receive the broadcast information.
Preferably, the satellite mobile communication system mainly includes: service capability service, service layer function, protocol adaptation of access layer, access network GSC, satellite mobile satellite.
Preferably, the specific steps in (S2) are as follows:
(s 1) the SP client edits the short message on the SP application platform, and after the editing is completed, the area needing to be sent is selected, and the short message is submitted to the SP application platform;
(s 2) after receiving the short message submitted by the SP client, the application platform calls a capability opening API provided by the EOP platform and forwards the request to the capability opening platform;
(s 3) after receiving the request, the capability gateway of the capability open platform realizes access control authentication on the request, and after passing the authentication, the capability gateway forwards the request to the business authentication micro-service of the EOP platform;
(s 4) the service authentication micro service of the EOP platform authenticates the short message service according to the SP subscription information, and if the authentication is not passed, returns an authentication failure request to the SP application platform; if the request passes, forwarding the request to the short message micro-service;
(s 5) after receiving a short message sending request submitted by an SP client, the short message micro-service carries out sensitive word filtering and compliance auditing on message content; after the message passes, calling an API provided by the GSC protocol adapter according to a sending rule, and sending the short message to the GSC, wherein the short message is required to be stored;
(s 6) the GSC returns a send success message to the GSC protocol adapter;
(s 7) the GSC protocol adapter returns the successful sending result to the short message micro service, the short message micro service updates the sending state of the short message and sends out a charging bill according to the short message broadcasting request; simultaneously, according to the statistical rule, carrying out statistical measurement on the transmission index, and simultaneously recording a transmission log;
(s 8) if the short message is sent in real time, the micro service returns a successful sending message to the SP client.
Preferably, the access network GSC translates command operation sent by CBC; arranging short message broadcast short message on CBCH; CBS message routing, sending to the corresponding beam, etc.
Preferably, the GSC protocol adaptation module is responsible for interfacing with a GSC access network element, sending short message information to an end user, adopting TCP as a communication protocol with the GSC, and referring to interface specification with the GSC by specific message format, where functions of a protocol adaptation layer mainly include issuing management of instructions, encoding and decoding, link management with the GSC, session management, and communication exception handling.
Preferably, the service capability service encapsulates the value-added capability of the short message broadcast protocol layer through a service system, and provides the service capability related to the short message broadcast service for customers in need of the service capability service through a capability opening platform.
Preferably, the service layer function is responsible for receiving the short message broadcast information sent by the client and the satellite broadcast beam information sent by the client, judging whether the sending information has sensitive information or not, and whether the client has the service authority of sending the broadcast beam or not, and sending the short message broadcast information and the satellite broadcast beam information to the access layer for protocol adaptation after passing through.
Preferably, the satellite mobile satellite receives the broadcasting information of the GSC, analyzes the instruction, and precisely transmits the broadcasting information to the designated beam.
The beneficial effects of the invention are as follows:
1. the integrated design and the integration level of the system are high, the method adopts a uniform external interface, and provides data transmission capability for the area which is not covered by the ground network through the existing capability of the existing satellite for moving the first satellite, and provides unidirectional, small-data-volume and real-time broadcast information for specific clients within a precise range, thereby realizing the improvement of the utilization efficiency of satellite network resources;
2. the minimum service object of the CBS service of the system is a cell and the coverage area of a BCCH, when the CBC initiates a short message service to the GSS, a cell list needing broadcasting is attached, the system can map the beam sent by the satellite mobile satellite into corresponding area information, and the corresponding change can be made through the beam coverage area of the corresponding satellite mobile satellite with flexibility and rapidness so as to meet the requirement of the accurate sending of the short message of the satellite mobile communication system.
Drawings
Fig. 1 is a schematic diagram of a CBS network structure based on a method for precisely sending a short message in a satellite mobile communication system according to the present invention;
fig. 2 is a schematic diagram of a short message service architecture based on a method for precisely sending short messages in a satellite mobile communication system according to the present invention;
fig. 3 is a schematic diagram of a short message sending flow based on a method for precisely sending short messages in a satellite mobile communication system according to the present invention;
fig. 4 is a schematic diagram of a short message sending flow based on a method for accurately sending short messages in a satellite mobile communication system according to the present invention;
fig. 5 is an abbreviation annotation schematic diagram of a method for precisely sending short messages based on a satellite mobile communication system.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
1-5, a method for precisely sending short messages based on a satellite mobile communication system includes mapping management of satellite beams and service areas, satellite mobile satellite short message broadcasting capability encapsulation open to the outside, satellite mobile short message service capability sending management, service docking management with an access network GSC, and the like, and the satellite mobile communication system mainly includes: service capability service, service layer function, protocol adaptation of an access layer, access network GSC, satellite mobile satellite;
business capability service: the service system encapsulates the value-added capability of the short message broadcast protocol layer, and provides the service capability related to the short message broadcast service for customers with needs through the capability opening platform;
service layer function: the method mainly takes charge of receiving short message broadcast information issued by a client and satellite broadcast beam information transmitted by the client, judging whether sensitive information exists in the transmitted information or not, and whether the client has service authority for transmitting the broadcast beam or not, and transmitting the information to an access layer for protocol adaptation after passing through the service authority;
protocol adaptation of the access layer: the method mainly takes charge of interfacing with a GSC access network element, sends short message information to a terminal user, adopts TCP with a GSC communication protocol, refers to interface specifications with the GSC in a specific message format, and mainly comprises the functions of issuing management of instructions, encoding and decoding, link management with the GSC, session management and communication exception handling;
access network GSC: translating command operations sent by the CBC; arranging short message broadcast short message on CBCH; CBS message routing, sending to the corresponding beam, etc.;
satellite movement satellites: receiving broadcast information of GSC, analyzing instruction, and precisely transmitting broadcast information to appointed wave beam;
the method comprises the following steps:
(S1) the service system maintains corresponding broadcast channel mapping information in the system in advance according to the minimum service object of the satellite mobile number one satellite and the coverage area of one BCCH;
(S2) the SP client transmits broadcast information to the appointed satellite beam area through a short message capability opening interface on a capability opening platform, the service system performs service authentication on the client request after receiving the request of the SP client, and the request can be forwarded to a subsequent module for processing only after passing the authentication, and the specific steps are as follows:
(s 1) the SP client edits the short message on the SP application platform, and after the editing is completed, the area needing to be sent is selected, and the short message is submitted to the SP application platform;
(s 2) after receiving the short message submitted by the SP client, the application platform calls a capability opening API provided by the EOP platform and forwards the request to the capability opening platform;
(s 3) after receiving the request, the capability gateway of the capability open platform realizes access control authentication on the request, and after passing the authentication, the capability gateway forwards the request to the business authentication micro-service of the EOP platform;
(s 4) the service authentication micro service of the EOP platform authenticates the short message service according to the SP subscription information, and if the authentication is not passed, returns an authentication failure request to the SP application platform; if the request passes, forwarding the request to the short message micro-service;
(s 5) after receiving a short message sending request submitted by an SP client, the short message micro-service carries out sensitive word filtering and compliance auditing on message content; after the message passes, calling an API provided by the GSC protocol adapter according to a sending rule, and sending the short message to the GSC, wherein the short message is required to be stored;
(s 6) the GSC returns a send success message to the GSC protocol adapter;
(s 7) the GSC protocol adapter returns the successful sending result to the short message micro service, the short message micro service updates the sending state of the short message and sends out a charging bill according to the short message broadcasting request; simultaneously, according to the statistical rule, carrying out statistical measurement on the transmission index, and simultaneously recording a transmission log;
(s 8) if the short message is a real-time short message, the micro service returns a successful message to the SP client;
(S3) the short message sending module sends the short message broadcast sending message passing the verification to the GSC protocol adaptation module;
(S4) the GSC protocol adaptation module encodes and packs the short message after receiving the sending request and sends the short message to the GSC, and meanwhile, communication abnormality is required to be processed;
(S5) after receiving the request, the GSC access network transmits the request to a satellite mobile satellite I;
and (S6) analyzing the broadcast information by the satellite mobile satellite I, and precisely transmitting the broadcast information to the selected appointed beam area, wherein the satellite mobile terminal in the transmission beam area can receive the broadcast information.
The short message broadcast service refers to a service mode for providing a text broadcast function by using a cell broadcast logical channel CBCH on a broadcast control channel BCCH, and broadcasting is organized by cells.
The basic network structure of the short message broadcasting service consists of short message broadcasting equipment, a short message broadcasting center, a gateway station controller, a gateway station transceiver and a mobile earth station.
One CBE may be connected to a plurality of CBCs, one CBC may also be connected to a plurality of CBEs to receive short messages of different types, CBS information being sent by the CBEs and then sent by the CBCs to the GTS via the GSCs and broadcast to the MES in the cell, the CBC being part of the core network CN in the present system, one CBC being connectable to a plurality of GSCs/GTSs, each GSC being connectable to only one CBC, the CBS network architecture being as shown in fig. 1, the CBEs focusing on the generation of broadcast information, the CBCs focusing on the collection of CBE generated information and sending access network GSC devices via the interfaces described herein.
Meanwhile, the method for precisely sending the short message based on the satellite mobile communication system also has the following functions:
(1) Message input function
The system provides a satellite company short message broadcasting service management interface, staff in the satellite company can log in the interface to perform operations such as message input, submission and the like, and short message content is input in the short message input interface; selecting a broadcast channel, and determining a channel area to be transmitted to allocate and select by oneself; selecting a broadcast transmission mode, immediately transmitting, transmitting at fixed time, setting the broadcast times of short messages and broadcasting interval time.
(2) Message auditing function
The system provides a short message auditing function, an approval user with corresponding authority can check message information to be approved under an approval management module, and an approver can check the detail content of the short message and can pass and reject operations.
(3) Message inquiry function
The system provides a short message query interface, provides common query functions in a short message management service module, and achieves querying of different message related data by screening different query conditions.
(4) Message reminding function
The system provides a short message reminding function, adds a reminding function to all nodes which send a message to a successful sending state, is convenient for knowing the sending progress of the short message in time, sends information reminding of different channels according to the reminding channel attribute value in the client information when a reminding service scene is triggered, and can carry out configuration 1, format configuration, 2, object selection, 3, audit state selection, 4 and channel selection on the content of the triggering reminding.
(5) Statistics management function
The system provides a short message statistics management function which can realize statistics of message sending information and support export; supporting conditional query and derivation of time slot, customer name/account, channel number and the like; the operations of all operators are recorded.
(6) Open API functionality to the outside
The system provides an open API function, and SP clients call APIs provided by short message service to realize functions of inputting and inquiring short messages.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. A method for precisely sending short message based on satellite mobile communication system includes mapping management of satellite wave beam and service area, encapsulation of satellite mobile satellite short message broadcasting capability, sending management of satellite mobile short message service capability, service butt joint management with access network GSC, etc. the method is characterized in that the steps are as follows:
(S1) the service system maintains corresponding broadcast channel mapping information in the system in advance according to the minimum service object of the satellite mobile number one satellite and the coverage area of one BCCH;
(S2) the SP client sends broadcast information to the appointed satellite beam area through a short message capability opening interface on a capability opening platform, and after receiving the request of the SP client, a service system performs service authentication on the client request and can forward the request to a subsequent module for processing only after the authentication is passed;
(S3) the short message sending module sends the short message broadcast sending message passing the verification to the GSC protocol adaptation module;
(S4) the GSC protocol adaptation module encodes and packs the short message after receiving the sending request and sends the short message to the GSC, and meanwhile, communication abnormality is required to be processed;
(S5) after receiving the request, the GSC access network transmits the request to a satellite mobile satellite I;
and (S6) analyzing the broadcast information by the satellite mobile satellite I, and precisely transmitting the broadcast information to the selected appointed beam area, wherein the satellite mobile terminal in the transmission beam area can receive the broadcast information.
2. The method for precisely sending short messages based on the satellite mobile communication system according to claim 1, wherein the satellite mobile communication system mainly comprises: service capability service, service layer function, protocol adaptation of access layer, access network GSC, satellite mobile satellite.
3. The method for precisely sending short messages based on the satellite mobile communication system according to claim 1, wherein the specific steps in (S2) are as follows:
(s 1) the SP client edits the short message on the SP application platform, and after the editing is completed, the area needing to be sent is selected, and the short message is submitted to the SP application platform;
(s 2) after receiving the short message submitted by the SP client, the application platform calls a capability opening API provided by the EOP platform and forwards the request to the capability opening platform;
(s 3) after receiving the request, the capability gateway of the capability open platform realizes access control authentication on the request, and after passing the authentication, the capability gateway forwards the request to the business authentication micro-service of the EOP platform;
(s 4) the service authentication micro service of the EOP platform authenticates the short message service according to the SP subscription information, and if the authentication is not passed, returns an authentication failure request to the SP application platform; if the request passes, forwarding the request to the short message micro-service;
(s 5) after receiving a short message sending request submitted by an SP client, the short message micro-service carries out sensitive word filtering and compliance auditing on message content; after the message passes, calling an API provided by the GSC protocol adapter according to a sending rule, and sending the short message to the GSC, wherein the short message is required to be stored;
(s 6) the GSC returns a send success message to the GSC protocol adapter;
(s 7) the GSC protocol adapter returns the successful sending result to the short message micro service, the short message micro service updates the sending state of the short message and sends out a charging bill according to the short message broadcasting request; simultaneously, according to the statistical rule, carrying out statistical measurement on the transmission index, and simultaneously recording a transmission log;
(s 8) if the short message is sent in real time, the micro service returns a successful sending message to the SP client.
4. The method for precisely sending short messages based on the satellite mobile communication system according to claim 2, wherein the access network GSC translates the command operation sent by the CBC; arranging short message broadcast short message on CBCH; CBS message routing, sending to the corresponding beam, etc.
5. The method for precisely sending short messages based on the satellite mobile communication system according to claim 2, wherein the GSC protocol adaptation module is responsible for interfacing with a GSC access network element, sending short message information to a terminal user, adopting TCP as a communication protocol with the GSC, referring to interface specifications with the GSC by a specific message format, and the functions of the protocol adaptation layer mainly include issuing management of instructions, encoding and decoding, link management with the GSC, session management, and communication exception handling.
6. The method for precisely sending short messages based on the satellite mobile communication system according to claim 2, wherein the service capability service encapsulates the short message broadcast protocol layer value-added capability through a service system, and provides the service capability related to the short message broadcast service to customers in need through a capability open platform.
7. The method for precisely sending short messages based on the satellite mobile communication system according to claim 2, wherein the service layer function is responsible for receiving the short message broadcast information sent by the client and the satellite broadcast beam information sent by the client, judging whether the sending information has sensitive information or not, judging whether the client has the service authority of sending the broadcast beam or not, and sending the service authority to the access layer after the service authority passes through the protocol adaptation.
8. The method for precisely sending short messages based on the satellite mobile communication system according to claim 2, wherein the satellite mobile satellite receives the broadcasting information of the GSC, parses the instruction, and precisely sends the broadcasting information to the designated beam.
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| US8817603B2 (en) * | 2011-07-19 | 2014-08-26 | Skywave Mobile Communications Inc. | Satellite-based messaging system |
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