CN113507313B - Resource application method and device based on Tiantong one-number satellite mobile communication system - Google Patents
Resource application method and device based on Tiantong one-number satellite mobile communication system Download PDFInfo
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- CN113507313B CN113507313B CN202110873118.5A CN202110873118A CN113507313B CN 113507313 B CN113507313 B CN 113507313B CN 202110873118 A CN202110873118 A CN 202110873118A CN 113507313 B CN113507313 B CN 113507313B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
Abstract
The invention discloses a resource application method and device based on an Tiantong one-number satellite mobile communication system, and belongs to the technical field of communication. The device comprises an AP module, a weather-pass module and a serial port. The AP module of the device sends AT commands through the serial port to control the skyward module to carry out operations such as network access, packet domain service application and the like. The invention fully considers the beam coverage characteristics of the satellite and the packet domain service characteristics, ensures that the terminal can access the network for registration and apply for the packet domain service by methods of beam switching, speed reduction and the like, and ensures that the data service of the user is correctly and efficiently used.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a resource application method and a resource application device based on an Tiantong one-number satellite mobile communication system.
Background
The satellite No. skatone belongs to a GEO (geostationary orbit) satellite, located 3 kilometers above the equator and stationary relative to the earth. The satellite covers the ground in a spot beam mode, can provide communication capacity in the areas which cannot be covered by ground mobile communication systems such as the field, the ocean and the like, and can provide voice, short message and packet data services for users.
The skynt one satellite covers the ground in a spot beam mode, and each spot beam periodically sends broadcast messages related to the beam in the coverage range of the spot beam through a fixed broadcast channel, wherein the content comprises network information, terminal access information, adjacent beam frequency point information and the like. There are a maximum of 6 neighboring beams per beam, and some border beams may not have 6 neighbors.
The packet domain service of the satellite one heaven through contains different service rates and different service modes, wherein the rates comprise 384kpbs and 128kbps, and the service modes comprise an exclusive mode and a shared mode. The difference between the exclusive mode and the sharing mode is that the resource applied by the exclusive mode is exclusive for the terminal, so that the service rate of the user can be ensured; the user service rate in the sharing mode is dynamically adjusted according to the number of users simultaneously used, and the highest rate is not guaranteed.
Disclosure of Invention
Based on the problems in the background art, the invention provides a resource application method and a resource application device based on the skynt one satellite mobile communication system, so that the wireless resources of the system can be fully utilized on the basis of not influencing the normal packet domain service of the earth mobile terminal, and the performance of the whole system is improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a resource application method based on the satellite mobile communication system of the skynt one number comprises the following steps:
(1) after a terminal is started, setting resident beam frequency point information, and starting to search broadcast information of beams until the broadcast information is searched and the resident beams are registered successfully;
(2) after the terminal is successfully registered, inquiring current resident beam frequency point information and adjacent beam frequency point information, distinguishing current resident beams and adjacent beams, and storing the set number of beam frequency point information;
(3) before a terminal carries out a grouping service, setting working modes of the grouping service, wherein the working modes comprise a sharing mode and an exclusive mode;
(4) the terminal initiates a packet domain service resource application in the current resident beam according to the set working mode; if the common operation fails, the operation is switched to the next wave beam to initiate the service application with the same speed after the operation is continuously tried for the set times; if the beam resource application fails, the terminal directly switches to the next beam to reinitiate the packet domain service resource application, if all the beams fail to apply the resource application, the process is ended, and if the beam resource application succeeds, the terminal applies the service on the corresponding beam.
Wherein, the step (4) is specifically as follows:
(401) the terminal selects the highest rate as the current rate, and the rate comprises 384kpbs and 128 kbps;
(402) the terminal initiates a packet domain service resource application at the current resident beam according to the set working mode and the current rate;
(403) after the terminal resource application is successful, service application is carried out on the corresponding wave beam; when the terminal resource application fails, if the terminal resource application fails, repeating the step (402) for a set number of times, after all applications fail, switching to the next beam, returning to the step (402), if all the applications fail after the beam switching is completed, the terminal performs speed reduction, and returning to the step (402) until the minimum speed is reduced; if the rejection fails, the next beam is switched to directly, and the step (401) is returned.
A resource application device based on an Tiantong one-number satellite communication mobile system comprises an AP module and an Tiantong module which are arranged in a terminal;
the AP module is used for initially setting resident beam frequency point information and controlling the skynet module to search the broadcast information of the beams until the broadcast information is searched and registered successfully; the antenna module is also used for controlling the antenna module to inquire the current resident beam frequency point information and the adjacent beam frequency point information; the system is also used for setting working modes of the packet service, including a sharing mode and an exclusive mode, and controlling the skynman module to apply for packet domain service resources of the corresponding working mode; the antenna is also used for controlling the antenna module to switch beams according to the service application failure message reported by the antenna module;
the skynet module is used for searching the broadcast information of the wave beam according to the command of the AP module until the broadcast information is searched and successfully registered to the initially set resident wave beam, and reporting the broadcast information to the AP module; the AP module is also used for inquiring the current resident beam frequency point information and the adjacent beam frequency point information according to the command of the AP module, distinguishing the current resident beam and the adjacent beam and reporting the current resident beam and the adjacent beam to the AP module; and the system is also used for initiating a packet domain service resource application in the current resident beam according to the working mode set by the AP module, carrying out service application in the corresponding beam if the resource application is successful, reporting to the AP module if the resource application is failed, and switching to the next beam under the control of the AP module to reinitiate the packet domain service resource application until all the beams are switched.
Compared with the prior art, the invention has the advantages that:
1. the method is rigorous, concise and compact and is convenient to realize.
2. The invention is comprehensively considered by combining with the actual application scene of the special terminal, and can effectively solve the problem of resource application efficiency in the satellite mobile communication system.
Drawings
To more clearly describe this patent, one or more drawings are provided below to assist in explaining the background, technical principles and/or certain embodiments of this patent.
Fig. 1 is a spot beam coverage map in an embodiment of the present invention.
Fig. 2 is a block diagram of a resource application apparatus according to an embodiment of the present invention.
Fig. 3 is a network access flow chart of the skyway module in the embodiment of the invention.
Fig. 4 is a service application flow of the exclusive mode in the embodiment of the present invention.
Fig. 5 is a flow of a shared mode service application in an embodiment of the present invention.
Fig. 6 is a beam switching procedure in an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the technical solutions of the present patent by those skilled in the art, and to make the technical objects, technical solutions and advantages of the present patent more apparent and fully support the scope of the claims, the technical solutions of the present patent are described in detail in the following embodiments.
As shown in fig. 1, the skyward satellite covers the ground by using spot beams, each spot beam periodically sends broadcast messages related to the spot beam in the coverage area thereof through a broadcast channel of a fixed frequency point, and the content includes network information, terminal access information, adjacent-spot-beam frequency point information, and the like. When the packet domain service is made, the packet domain service application failure condition occurs. Therefore, the following embodiments provide a resource application method and device based on an aerospace satellite.
As shown in fig. 2, the apparatus includes:
the AP module is used for initially setting resident beam frequency point information and controlling the skynet module to search the broadcast information of the beams until the broadcast information is searched and registered successfully; the antenna module is also used for controlling the antenna module to inquire the current resident beam frequency point information and the adjacent beam frequency point information; the system is also used for setting working modes of the packet service, including a sharing mode and an exclusive mode, and controlling the skynman module to apply for packet domain service resources of the corresponding working mode; the antenna is also used for controlling the antenna module to switch beams according to the service application failure message reported by the antenna module;
the skynet module is used for searching the broadcast information of the wave beam according to the command of the AP module until the broadcast information is searched and successfully registered to the initially set resident wave beam, and reporting the broadcast information to the AP module; the AP module is also used for inquiring the current resident beam frequency point information and the adjacent beam frequency point information according to the command of the AP module, distinguishing the current resident beam and the adjacent beam and reporting the current resident beam and the adjacent beam to the AP module; and the system is also used for initiating a packet domain service resource application in the current resident beam according to the working mode set by the AP module, carrying out service application in the corresponding beam if the resource application is successful, reporting to the AP module if the resource application is failed, and switching to the next beam under the control of the AP module to reinitiate the packet domain service resource application until all the beams are switched.
And the serial port is used for communicating the AP module with the weather communication module.
Based on the device, the resource application method based on the satellite mobile communication system of the skynt one number can be realized, and the method comprises the following steps:
(1) after the terminal is powered on, as shown in fig. 3, the AP module sets the resident beam frequency point information, and controls the skywalking module to start searching for the broadcast information of the beam until the broadcast information is searched and successfully registered to the set resident beam;
(2) after the terminal is successfully registered, the AP module controls the skywalking module to inquire the current resident beam frequency point information and the adjacent beam frequency point information, distinguish the current resident beam and the adjacent beam, save the set number of beam frequency point information (in this embodiment, 7, if the number of the frequency points exceeds 7, only the first 7 frequency points are taken and saved), complete the network access registration process, and the skywalking module reports the network access registration information to the AP module;
(3) before a terminal carries out a grouping service, an AP module sets the working modes of the grouping service, including a sharing mode and an exclusive mode;
(4) the skynting module initiates a packet domain service resource application in the current resident beam according to the working mode set by the AP module; if the common operation fails, the operation is switched to the next wave beam to initiate the service application with the same speed after two times of continuous attempts; if the rejection fails, the next beam is directly switched to initiate the packet domain service resource application again. If all the wave beams fail to apply for the resources, the process is ended, and if the wave beam resources are successfully applied, the skynting module applies for the service on the corresponding wave beam.
The specific process is as follows:
(401) the skynman module selects the highest rate as the current rate, and the rate comprises 384kpbs and 128 kbps;
(402) the skynting module initiates a packet domain service resource application at the current resident beam according to the current speed according to the working mode set by the AP module;
(403) after the resource application is successful, the skynet module carries out service application on the corresponding wave beam; when the terminal resource application fails, if the terminal resource application fails, repeating the step (402) for setting times, reporting to the AP module after all application fails, switching to the next beam under the control of the AP module, returning to the step (402), and if the resource application fails after all beam switching is finished, reducing the speed of the terminal, and returning to the step (402) until the lowest speed is reduced; if the rejection is failed, reporting to the AP module, directly switching to the next beam under the control of the AP module, and returning to the step (401).
As shown in fig. 4, taking 384kbps as an example in the exclusive mode, when the terminal accesses the network, it first tries to initiate the exclusive 384kbps packet domain service. After the application fails, if the application fails, the application is continuously tried twice, and then the next beam is switched to carry out 384kbps service application, and the beam switching operation is explained in the following; if the rejection fails, the next beam is directly switched to carry out 384kbps service application. And if the application of the 7 wave beams 394kbps services of the AP module fails, the terminal performs speed reduction application. And when all the beam exclusive modes fail to apply in the exclusive mode, the terminal reports the activation failure.
The service application process in the sharing mode is the same as that in the exclusive mode, and the sharing mode is distinguished only when the Qos of the skynet module is set. The shared mode service application flow is shown in fig. 5.
As shown in fig. 6, when the attempt for the exclusive or shared mode in a certain beam fails, the AP module should start attempting beam switching. And according to the registered beam frequency point and the adjacent beam frequency point read after the start-up, the AP module modifies the frequency points in the skynman module in a mode of deleting and setting the internal frequency points in the skynman module. And when the terminal restarts Telephony, the heaven-through module searches the built-in frequency point. If the search fails, the search result is reported to the AP module through a response command, the AP module resets the built-in frequency point of the Tiantong module, and the next search is started after Telephony is restarted; if the search and the registration are successful, the AP module inquires the frequency point of the current resident beam to confirm that the frequency point is the set frequency point, and then starts to try mode service application. If the frequency point is not the set frequency point, the AP module deletes the frequency point from the reserved frequency points. In conclusion, the invention fully considers the characteristics of beam coverage and service capability of the satellite, provides data communication service through the skynet one packet data service, and designs a packet domain service activation flow scheme and a corresponding device for ensuring that the data service of a user can be normally and efficiently used.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (3)
1. A resource application method based on an Tiantong one-number satellite mobile communication system is characterized by comprising the following steps:
(1) after a terminal is started, setting resident beam frequency point information, and starting to search broadcast information of beams until the broadcast information is searched and the resident beams are registered successfully;
(2) after the terminal is successfully registered, inquiring current resident beam frequency point information and adjacent beam frequency point information, distinguishing current resident beams and adjacent beams, and storing the set number of beam frequency point information;
(3) before a terminal carries out a grouping service, setting working modes of the grouping service, wherein the working modes comprise a sharing mode and an exclusive mode;
(4) the terminal initiates a packet domain service resource application in the current resident beam according to the set working mode; if the common operation fails, the operation is switched to the next wave beam to initiate the service application with the same speed after the operation is continuously tried for the set times; if the beam application is successful, the terminal performs service application on the corresponding beam.
2. The resource application method based on the skynt-one satellite mobile communication system as claimed in claim 1, wherein the step (4) is specifically:
(401) the terminal selects the highest rate as the current rate, and the rate comprises 384kpbs and 128 kbps;
(402) the terminal initiates a packet domain service resource application at the current resident beam according to the set working mode and the current rate;
(403) after the terminal resource application is successful, service application is carried out on the corresponding wave beam; when the terminal resource application fails, if the terminal resource application fails, repeating the step (402) for a set number of times, after all applications fail, switching to the next beam, returning to the step (402), if all the applications fail after the beam switching is completed, the terminal performs speed reduction, and returning to the step (402) until the minimum speed is reduced; if the rejection fails, the next beam is switched to directly, and the step (401) is returned.
3. A resource application device based on the satellite mobile communication system of Tiantong number one is characterized by comprising an AP module and a Tiantong module which are arranged in a terminal;
the AP module is used for initially setting resident beam frequency point information and controlling the skynet module to search the broadcast information of the beams until the broadcast information is searched and registered successfully; the antenna module is also used for controlling the antenna module to inquire the current resident beam frequency point information and the adjacent beam frequency point information; the system is also used for setting working modes of the packet service, including a sharing mode and an exclusive mode, and controlling the skynman module to apply for packet domain service resources of the corresponding working mode; the antenna is also used for controlling the antenna module to switch beams according to the service application failure message reported by the antenna module;
the skynet module is used for searching the broadcast information of the wave beam according to the command of the AP module until the broadcast information is searched and successfully registered to the initially set resident wave beam, and reporting the broadcast information to the AP module; the AP module is also used for inquiring the current resident beam frequency point information and the adjacent beam frequency point information according to the command of the AP module, distinguishing the current resident beam and the adjacent beam and reporting the current resident beam and the adjacent beam to the AP module; and the system is also used for initiating a packet domain service resource application in the current resident beam according to the working mode set by the AP module, carrying out service application in the corresponding beam if the resource application is successful, reporting to the AP module if the resource application is failed, and switching to the next beam under the control of the AP module to reinitiate the packet domain service resource application until all the beams are switched.
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