CN113993091A - Design method of active special satellite communication terminal - Google Patents
Design method of active special satellite communication terminal Download PDFInfo
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- CN113993091A CN113993091A CN202111121105.9A CN202111121105A CN113993091A CN 113993091 A CN113993091 A CN 113993091A CN 202111121105 A CN202111121105 A CN 202111121105A CN 113993091 A CN113993091 A CN 113993091A
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- short message
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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
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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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
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
- H04B7/18593—Arrangements for preventing unauthorised access or for providing user protection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/14—Flow control between communication endpoints using intermediate storage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a design method of an active special satellite communication terminal.A U port is expanded on hardware, and is externally connected with a time calibration secret key module which is uniformly distributed by a satellite communication ground management station and used for realizing the active control of one side of the active special satellite communication terminal on service at one side of the satellite ground management station; a non-inductive-safety mechanism is designed on software, when the active special satellite communication terminal is in a short message service mode, the non-inductive-safety mechanism is operated according to the safety level of short message data, and the safety requirement of special satellite communication terminal data information can be realized without any operation of a terminal user.
Description
Technical Field
The invention belongs to the technical field of satellite communication, and particularly relates to a design method of a satellite communication terminal.
Background
Currently, the development of satellite communication technology in China is rapid, and with the characteristics of all weather and high coverage rate, the satellite communication technology is increasingly emphasized by various satellite communication terminal product manufacturers, and various satellite communication terminal products suitable for different application scenes based on the satellite communication technology are in endless forms.
The conventional satellite communication terminal generally has a power supply problem, and if the satellite communication terminal is in a state of insufficient electric quantity, the satellite communication terminal cannot carry out normal data communication with a satellite communication ground station, so that the stability of the satellite communication terminal is reduced; in addition, there are high requirements for data information security of the satellite communication terminal in some service scenarios, and the data security mechanism of the existing satellite communication terminal cannot meet the requirements of these scenarios.
Disclosure of Invention
In order to solve the technical problems mentioned in the background art, the invention provides a design method of an active special satellite communication terminal, which mainly aims at improving the data information security of the satellite communication terminal under the service scene that a satellite terminal user has no voice response requirement but has the security requirement on the communication data information of the satellite terminal.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
a design method of an active special satellite communication terminal is characterized in that the active special satellite communication terminal is expanded with a U port, the U port is externally connected with a time calibration secret key module which is used for realizing the active control of one side of the active special satellite communication terminal on business by one side of a satellite ground management station, the time calibration secret key module is uniformly distributed by the satellite communication ground management station, the time calibration secret key module is used as a switch for switching a conventional satellite communication business mode and a short message business mode of the active special satellite communication terminal, and when the active special satellite communication terminal is in the short message business mode, a non-inductive safety mechanism is operated according to the safety level of short message data, so that the safety of short message communication is improved.
Further, the time calibration key module comprises a key module and a time calibration module, the key module is used for keeping secret, and the time calibration module is used for calibrating the time information between the active dedicated satellite communication terminal and the satellite communication ground management station.
Further, when the battery power of the active dedicated satellite communication terminal is lower than the warning threshold, the active dedicated satellite communication terminal detects the time calibration key module, and switches the service mode from the conventional satellite communication service mode to the short message service mode.
Furthermore, the security level of the short message data comprises a conventional N level and a secret S level, and for receiving the conventional N level short message data, the active special satellite communication terminal does not start an inductionless-security mechanism; for receiving the confidential S-level short message data, the active special satellite communication terminal starts a non-inductive-safety mechanism; the secret S level is designed into two levels of S (r) and S (t), wherein S (r) indicates that after the active special satellite communication terminal reads the short message data, a non-inductive-safety mechanism is called, and then a system reboot command is automatically called to restart the active special satellite communication terminal; s (T) stores the survival time length T of the short message data in the active special satellite communication terminal, and when the time length T exceeds the starting time which can be supported by 2% of the battery power of the active special satellite communication terminal, the satellite communication ground management station is informed that the active special satellite communication terminal can not meet the safety requirement for receiving the short message data, and the satellite communication ground management station does not communicate with the active special satellite communication terminal after receiving the notice.
Furthermore, the non-inductive-safety mechanism is designed with a short message processing process, the short message processing process is represented as a system process in the system of the active special satellite communication terminal and is resident in the memory, and the short message processing process comprises a new short message receiving monitoring line and a short message safety processing process; the new short message receiving monitoring thread is responsible for circularly monitoring whether short message data actively sent by a satellite communication ground management station exists or not, and the short message data is embedded into the satellite communication ground management station and is used for actively controlling the survival time length (t) of the short message data in the active special satellite communication terminal; if the situation that new short message data come is monitored, caching the short message data locally, and informing a short message security processing thread to read the local cache of the short message data; after the short message safety processing thread reads the local cache of the short message data, the time length (t) and the specific short message data are analyzed from the content, the analyzed time length L (t) is used for automatically creating the survival timing parameter of the timer, the analyzed specific short message data are displayed on an active special satellite communication terminal interface, when the display time of the short message data on the active special satellite communication terminal interface exceeds the time length (t), the current timer is automatically destroyed, the currently cached short message data are automatically deleted, and the display on the active special satellite communication terminal interface is finished.
Adopt the beneficial effect that above-mentioned technical scheme brought:
under the condition that the battery power of the satellite communication terminal is detected to be insufficient, the satellite communication terminal system is automatically processed with low power consumption, the voice communication function in the satellite communication service is closed, only the basic satellite communication short message receiving service function is reserved, and the satellite communication short message service safety is correspondingly processed, so that the usability of the satellite communication terminal in the field scene where charging cannot be performed is prolonged, and the safety is improved.
Drawings
FIG. 1 is a schematic diagram of an active dedicated satellite communications terminal system;
FIG. 2 is a diagram of the hardware and software design of an active dedicated satellite communications terminal according to the present invention;
fig. 3 is a diagram of an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is explained in detail in the following with the accompanying drawings.
The invention designs an active special satellite communication terminal, and the design scheme mainly comprises two parts, namely hardware and software. A U port needs to be expanded on the hardware of the satellite communication terminal, and the U port is used for externally connecting a time calibration key module, realizing the active control of one side of the satellite ground management station on the service of one side of the active special satellite communication terminal, serving as a switch for switching a conventional satellite communication service mode and a short message service mode, and enabling the time information stored in the time calibration key module to be consistent with the time calibration of the satellite communication ground management station. A non-inductive-safety mechanism is designed on software to ensure the safety of short message data content.
As shown in fig. 1, the whole system includes two parts, namely a dedicated satellite communication terminal (i) and a satellite communication ground management station (ii), and the system mainly includes: 1. the special satellite communication terminal is started up and can be normally accessed to a special satellite network to enter a standby state capable of carrying out satellite voice communication and satellite short message communication services; 2. after the special satellite communication terminal is used for a period of time and the electric quantity of the special satellite communication terminal is lower than an electric quantity threshold value meeting the requirement of task guarantee time required for maintaining field satellite communication service, the special satellite communication terminal detects a time calibration key module externally connected at a U port, then carries out frequency reduction processing on a system, and closes a satellite communication voice module to reduce standby power consumption of the special satellite communication terminal and prolong the satellite communication on-line service time of the special satellite communication terminal; 3. the side of the satellite communication ground management station actively realizes the time information necessary for a noninductive-safety mechanism to one side of a specified special satellite communication terminal I, so that a strategy for realizing safety control on satellite short message data information sent by the special satellite communication terminal I is achieved, and the satellite communication ground management station actively controls the special satellite communication terminal I in time in the flow direction; 4. after receiving the short message data information, the special satellite communication terminal reaches the expected target by designing a non-inductive-safety mechanism.
As shown in fig. 2, the dedicated satellite communication terminal system design in this scheme is differentiated into two parts of a hardware module and a software system module, compared to the hardware module and the software module of the conventional satellite mobile communication terminal system.
Regarding the hardware design, similar to the hardware structure of the conventional satellite communication terminal, the hardware design mainly comprises a main control module, a memory DDR and storage module, a MODEM module, a power module, a radio frequency and antenna module, and the difference from the conventional satellite communication terminal design is that a U port is expanded for externally connecting a time calibration key module. The time calibration key module is uniformly managed and issued by the satellite communication ground management station, before issuing, professional technicians are usually required to develop the time calibration key module for the second time, the key module and the time calibration module are embedded, the key module is used for keeping secret, and the time calibration module is used for calibrating time information between the satellite communication ground management station and the satellite communication terminal and providing the time information for a subsequent non-sensible-safe mechanism of short message data. When the battery power of the satellite communication terminal is lower than the threshold value, the special satellite communication terminal detects the time calibration secret key module, namely, the special satellite communication terminal service is automatically switched into a low power consumption mode from a conventional service mode, and only the function of receiving the short message of the satellite communication service is reserved.
Regarding software design, the main difference with the conventional dedicated satellite communication terminal software is that a non-inductive-security mechanism is designed, which mainly comprises two parts, namely service interaction between a satellite communication ground management station and a dedicated satellite communication terminal, and a non-inductive-security mechanism module inside the dedicated satellite communication terminal.
Firstly, the initial point of the mechanism is that the battery electric quantity of the special satellite communication terminal is lower than the requirement of field communication guarantee time, a time calibration secret key module externally connected to a U port of the special satellite communication terminal detects the battery electric quantity flag, then the time calibration secret key module initiates a communication service mode switching instruction of the special satellite communication terminal, and a conventional satellite communication service mode is switched to a low-power-consumption short message communication mode; after the switching is successful, sending a communication mode flag of the current satellite communication terminal to a satellite communication ground management station, and informing the current satellite communication service function that the satellite communication terminal only receives short messages; when the satellite communication ground management station needs to contact with the satellite communication terminal user, the satellite communication ground management station needs to select a short message satellite communication mode to contact with the satellite communication terminal user. In the short message satellite communication mode, the security level of the short message data comprises a conventional N level and a secret S level, and the active special satellite communication terminal does not start a non-inductive-security mechanism for receiving the conventional N level short message data; for receiving the confidential S-level short message data, the active special satellite communication terminal starts a non-inductive-safety mechanism; the secret S level is designed into two levels of S (r) and S (t), wherein S (r) indicates that after the active special satellite communication terminal reads the short message data, a non-inductive-safety mechanism is called, then a system reboot command is automatically called to restart the active special satellite communication terminal, and the middle buffer time is 0; s (T) stores the survival time length T of the short message data in the active special satellite communication terminal, and when the survival time length T exceeds the starting time which can be supported by 2% of battery power of the active special satellite communication terminal (namely, the short message data is automatically deleted in the future, and the system is automatically shut down due to insufficient power), a notification message flag is automatically sent to the satellite communication ground management station to notify the satellite communication ground management station that the active special satellite communication terminal cannot meet the safety requirement of receiving the short message data, and the satellite communication ground management station does not communicate with the active special satellite communication terminal after receiving the notification.
Regarding the non-inductive-security mechanism module, as shown in fig. 2, it is essential to design a short message processing procedure in the satellite communication terminal system, and the procedure is composed of a new short message reception monitoring thread and a short message security processing thread. Specifically, the non-inductive-security mechanism module is automatically started after the special satellite communication terminal system is started, and is represented as a system process and resident in a memory in the system. (note: data actively transmitted by the satellite ground management station is called short message, and data received by the special satellite communication terminal is called short message.)
The main processing flow of the non-inductive-safety mechanism module is as follows: 1. the new message receiving monitoring process realizes the function of a listener and is mainly responsible for circularly monitoring whether short message data information actively sent by a satellite communication ground management station exists, and the important point is that the short message data information is embedded into the satellite communication ground management station to actively control the survival time length (t) of the short message data information in a special satellite communication terminal; 2. if the situation that new short message data information comes is monitored, caching the short message data information locally, and informing a short message security processing thread to read the local cache of the short message data information; 3. after the short message safety processing thread reads the local cache of the short message data information, the time length (t) and the specific short message data information are analyzed from the content. The analyzed time length is used for automatically establishing the survival timing parameter of the timer, and the analyzed specific short message data information is used for displaying on a special satellite communication terminal interface. When the display Time of the short message data information content on the special satellite communication terminal interface exceeds the length (t) of the short message data information embedded currently received, the timer Time1 is automatically destroyed, and the short message data information cached currently and the information display on the terminal interface are automatically deleted. In the process, no user is required to participate in any operation in the whole process, so that the safety of data information can be guaranteed under the condition that a special satellite terminal user is 'non-sensitive', and a short message data non-sensitive-safety mechanism is realized. If a plurality of pieces of short message data information are received, only the cyclic operation is needed.
It should be noted that there are three main differences in the technology between the noninductive-safe mechanism of the present invention and the currently common "burn after reading" mechanism, one is: at present, the so-called burn-after-reading principle only depends on the terminal itself in terms of a large implementation principle, that is, after a client user reads short message content, the terminal system automatically deletes the short message content. In other words, the content of the short message is stored in the terminal when the terminal is not reading. In the invention, on the aspect of large system composition, the satellite communication ground management station and the satellite communication terminal are formed, and one side of the satellite communication terminal is not suitable for the design requirement of the scheme, so that the expected function cannot be met. Secondly, the following steps: in terms of service functions, the safety of the short message data is obviously superior to the burn-after-reading technology, the safety of the short message data is directly guaranteed through the built-in S or N short message data with two different safety levels sent by the satellite communication ground management station, the contained time information and the automatic destruction mechanism, and the short message data under the short message data is burnt without reading unlike the burn-after-reading technology. Thirdly, the method comprises the following steps: under the mechanism, when the electric quantity of the satellite communication terminal is lower than 2%, the satellite communication terminal informs the satellite communication ground management station that short message communication is not carried out any more, safety guarantee is achieved at the source, and common burn-after-reading does not have a similar mechanism.
As shown in fig. 3, the active dedicated satellite communication terminal and the design method are implemented as follows:
designing a special satellite communication terminal hardware module;
secondly, designing a special satellite communication terminal software module-noninductive-safe mechanism;
starting up the special satellite communication terminal system, automatically starting up the short message data noninductive-safe mechanism as a system software process, and residing in the memory;
the special satellite communication terminal system is normally accessed to the special satellite network, starts a standby state and waits for receiving short message data information which is actively and unidirectionally sent by the satellite communication ground management station;
the satellite communication ground management station actively and unidirectionally sends short message data information to a specified special satellite communication terminal, the message content carries a time value of the automatic destruction of the short message data content in the special satellite communication terminal, which is set by the satellite communication ground management station according to the security sensitivity degree of the short message data information, and the time value is equal to the value of an automatic creation timer TimEN, so that the satellite communication ground management station actively controls the time of exposing the sent short message data information content to the special satellite communication terminal;
a short message receiving monitoring process of a 'safety-noninductive' mechanism of the special satellite communication terminal system is responsible for receiving data information which is actively and directionally sent at irregular time by a satellite communication ground management station;
and the safety-non-sensing mechanism of the special satellite communication terminal system is a short message safety processing thread which is responsible for displaying the content of the received short message data information on a special satellite communication terminal interface, and automatically and regularly destroying the short message data information cached in the special satellite communication terminal by taking the embedded time value of the short message data information as an input parameter of a timer.
The embodiments are only for illustrating the technical idea of the present invention, and the technical idea of the present invention is not limited thereto, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the scope of the present invention.
Claims (5)
1. A design method of an active dedicated satellite communication terminal is characterized in that: the active special satellite communication terminal expands a U port, the U port is externally connected with a time calibration secret key module, the time calibration secret key module is uniformly distributed by a satellite communication ground management station and is used for realizing the active control of one side of the active special satellite communication terminal on business by one side of the satellite ground management station, the time calibration secret key module is used as a switch for switching a conventional satellite communication business mode and a short message business mode of the active special satellite communication terminal, and when the active special satellite communication terminal is in the short message business mode, a noninductive-safety mechanism is operated according to the safety level of short message data, so that the safety of short message communication is improved.
2. The design method of active dedicated satellite communication terminal according to claim 1, wherein: the time calibration key module comprises a key module and a time calibration module, the key module is used for keeping secret, and the time calibration module is used for calibrating time information between the active special satellite communication terminal and the satellite communication ground management station.
3. The design method of active dedicated satellite communication terminal according to claim 1, wherein: when the battery electric quantity of the active special satellite communication terminal is lower than the warning threshold value, the active special satellite communication terminal detects the time calibration secret key module and switches the service mode from the conventional satellite communication service mode to the short message service mode.
4. The design method of active dedicated satellite communication terminal according to claim 1, wherein: the security level of the short message data comprises a conventional N level and a secret S level, and the active special satellite communication terminal does not start a non-inductive-security mechanism for receiving the conventional N level short message data; for receiving the confidential S-level short message data, the active special satellite communication terminal starts a non-inductive-safety mechanism; the secret S level is designed into two levels of S (r) and S (t), wherein S (r) indicates that after the active special satellite communication terminal reads the short message data, a non-inductive-safety mechanism is called, and then a system reboot command is automatically called to restart the active special satellite communication terminal; s (T) stores the survival time length T of the short message data in the active special satellite communication terminal, and when the time length T exceeds the starting time which can be supported by 2% of the battery power of the active special satellite communication terminal, the satellite communication ground management station is informed that the active special satellite communication terminal can not meet the safety requirement for receiving the short message data, and the satellite communication ground management station does not communicate with the active special satellite communication terminal after receiving the notice.
5. The design method of active dedicated satellite communication terminal according to claim 1, wherein: the non-sensing-safety mechanism is designed with a short message processing process, the short message processing process is represented as a system process in a system of the active special satellite communication terminal and is resident in a memory, and the short message processing process comprises a new short message receiving monitoring line and a short message safety processing process; the new short message receiving monitoring thread is responsible for circularly monitoring whether short message data actively sent by a satellite communication ground management station exists or not, and the short message data is embedded into the satellite communication ground management station and is used for actively controlling the survival time length (t) of the short message data in the active special satellite communication terminal; if the situation that new short message data come is monitored, caching the short message data locally, and informing a short message security processing thread to read the local cache of the short message data; after the short message safety processing thread reads the local cache of the short message data, the time length (t) and the specific short message data are analyzed from the content, the analyzed time length L (t) is used for automatically creating the survival timing parameter of the timer, the analyzed specific short message data are displayed on an active special satellite communication terminal interface, when the display time of the short message data on the active special satellite communication terminal interface exceeds the time length (t), the current timer is automatically destroyed, the currently cached short message data are automatically deleted, and the display on the active special satellite communication terminal interface is finished.
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| Publication number | Priority date | Publication date | Assignee | Title |
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