CN115902951A - High-precision positioning communication mobile phone based on satellite communication - Google Patents
High-precision positioning communication mobile phone based on satellite communication Download PDFInfo
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- CN115902951A CN115902951A CN202211385361.3A CN202211385361A CN115902951A CN 115902951 A CN115902951 A CN 115902951A CN 202211385361 A CN202211385361 A CN 202211385361A CN 115902951 A CN115902951 A CN 115902951A
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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 high-precision positioning communication mobile phone based on satellite communication, which comprises: the system comprises a control module, a GPS positioning module, a satellite communication module, a direction positioning module, a clock module, an altitude detection module, a satellite line simulation module, a satellite searching module and a human-computer interaction module. According to the invention, when the coordinates positioned by the GPS positioning module are inconsistent with the coordinates positioned by the ground satellite station connected with the satellite communication module, the altitude can be taken as a reference factor, the calculation is carried out again according to a coordinate calculation method, the calculation result finally combined with the GPS positioning module, the satellite communication module and the altitude is taken as a final coordinate, and information is transmitted to a target person.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to a high-precision positioning communication mobile phone based on satellite communication.
Background
With the continuous development of satellite technology, satellite communication networks based on medium and low orbit satellites and satellite positioning networks based on high orbit satellites are widely developed.
At the present stage, the satellite communication network and the satellite positioning network are two completely independent networks, and the satellite positioning network needs to observe four high-orbit satellites in the positioning network at the same time to position the positioning terminal, where the positioning terminal may be any terminal that needs positioning, for example: a mobile phone, a tablet computer or a vehicle-mounted terminal.
At present, a mobile phone initially has a function of communicating with a satellite, and in order to avoid broadband overload caused to satellite communication, information is generally transmitted through satellite communication in a short message mode, because a satellite signal can cover most mobile devices, but when the mobile phone transmits a signal to communication, great difficulty exists, the size of the mobile phone is small, and the mobile phone does not have a large size like a satellite phone, so that the power of signal transmission is limited, when a signal transmitting end of the mobile phone does not correspond to the satellite attitude, the signal transmitted by the mobile phone is difficult to be received by the communication satellite, and therefore, before the mobile phone transmits the signal to the satellite, the direction of the mobile phone needs to be continuously adjusted to enable the signal transmitting end of the mobile phone to correspond to the satellite attitude.
However, in the prior art, when in actual use, a user usually moves or rotates the mobile phone blindly to complete the correspondence between the mobile phone signal transmitting terminal and the satellite attitude, which wastes time and cannot improve the success rate of mobile phone signal transmission, thereby affecting the use requirements of the user on satellite communication.
Disclosure of Invention
The invention aims to provide a high-precision positioning communication mobile phone based on satellite communication, and aims to solve the problems that the success rate of mobile phone signal transmission cannot be improved, and the use requirements of users on satellite communication are influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the method comprises the following steps:
the control module is used for receiving various information and issuing a control instruction;
the connecting end of the GPS positioning module is bidirectionally connected with the connecting end of the control module, and the input end of the GPS positioning module is wirelessly connected with the output end of the positioning satellite through a radio frequency signal, so that GPS positioning service is provided for a mobile phone user;
the connection end of the satellite communication module is in bidirectional connection with the connection end of the control module, and the connection end of the satellite communication module is in bidirectional wireless connection with the connection end of the communication satellite through a radio frequency signal, so that the mobile phone and the communication satellite complete satellite communication;
the connecting end of the direction positioning module is bidirectionally connected with the connecting end of the control module so as to provide direction identification service for a mobile phone user on the basis of the GPS positioning module;
the connecting end of the clock module is bidirectionally connected with the connecting end of the control module, and the clock module is used for correcting the time of the mobile phone through the time service of the positioning satellite when the GPS positioning module is connected with the positioning satellite;
the output end of the altitude detection module is connected with the input end of the control module;
the satellite circuit simulation module is connected with the connecting end of the control end in a bidirectional mode and used for simulating the posture of a communication satellite;
the satellite searching module is connected with the connecting end of the control module in a bidirectional mode and used for presenting a position relation between a communication satellite and a mobile phone signal transmitting end according to simulated communication satellite attitude information provided by the satellite circuit simulation module, time information provided by the clock module and position information provided by the GPS positioning module;
and the output end of the human-computer interaction module is connected with the input end of the control module, so that a user can complete information interaction with the mobile phone.
Preferably, the mobile phone further comprises a data storage module, wherein the connecting end of the data storage module is bidirectionally connected with the connecting end of the control module, and the data storage module is used for storing coordinate information of the cellular base station, map information, attitude information of the communication satellite and various information received and issued by the control module.
Preferably, the man-machine interaction module comprises an emergency help seeking module, a positioning and path finding module and a positioning interaction module, the emergency help seeking module is used for seeking help to the outside through a communication satellite, the positioning and path finding module is used for realizing accurate positioning through the communication satellite so as to provide a reference path for a user, and the positioning interaction module is used for presenting position and time in a certain space-time range.
Preferably, the satellite communication module includes an RDSS radio frequency module, an RDSS baseband module, and a data compression module, wherein a connection end of the RDSS radio frequency module is bidirectionally connected to a connection end of the RDSS baseband module, and an output end of the data compression module is connected to an input end of the RDSS baseband module.
Preferably, the data compression module adopts a lossless data compression algorithm which is an lzo compression algorithm or an lz4 compression algorithm, the RDSS radio frequency module is used for realizing short message communication and comprises a receiving channel and a sending channel, the RDSS baseband module realizes demodulation processing of intermediate frequency digital signals in the receiving process, communication with the terminal is realized after amplification, filtering and sampling processes, and information received by the RDSS radio frequency module comprises receipt information, positioning information, time information and time and coordinate information of other equipment at certain time and space.
Preferably, the mobile phone further comprises a display module, the connecting end of the display module is connected with the connecting end of the control module in a bidirectional mode, and the display module comprises a mobile phone touch screen so as to present picture information and feedback information for a user.
Preferably, still include displacement feedback module, displacement feedback module's output is connected with control module's input, displacement feedback module includes miniature gyroscope, height above sea level detection module includes miniature barometer, direction location module includes electronic compass.
Preferably, the system further comprises a reminding module, wherein the input end of the reminding module is bidirectionally connected with the connecting end of the control module and used for reminding a user whether to download the surrounding topographic map when the user enters the edge position of the cellular signal base station.
Preferably, the power supply device further comprises a power supply module, wherein an output end of the power supply module is connected with an input end of the control module, and the power supply module is used for supplying power to the control module.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when the coordinates positioned by the GPS positioning module are inconsistent with the coordinates positioned by the ground satellite station connected with the satellite communication module, the altitude can be taken as a reference factor, and the calculation is carried out again according to a coordinate calculation method, and the result calculated by finally combining the GPS positioning module, the satellite communication module and the altitude is taken as a final coordinate and transmits information to a target person, so that the accuracy is improved greatly compared with the coordinates obtained by independently using the GPS positioning module or the satellite communication module, and the purpose of high-precision positioning is realized;
2. the invention also inputs the ID information of the users into the ground satellite station through a plurality of users, because the connection range of the interphone is limited, the communication among the users is greatly limited, for example, the user who reaches the top of a mountain at first wants to know other users, and stays at the top of the mountain to wait for other users to arrive, at the moment, the user activates the positioning interaction module in the man-machine interaction module, at the moment, the position and time information can be sent to the communication satellite through the RDSS radio frequency module, the communication satellite transmits the position and time information of the user to the ground satellite station, because the ID of the user is already input by the ground satellite station, when other users enable the positioning interaction module, the time and space coordinates left by the user who reaches the top of the mountain at first can be seen on a terrain map, at the moment, the positioning interaction module can know the position of the time of each user, and great convenience is provided for gathering and rescuing among the users.
3. The invention also provides high-precision positioning for the user through the altitude detected by the GPS positioning module in cooperation with the satellite communication module and the altitude detection module when the user does not need to ask for help, provides surrounding environment information for the user in cooperation with the downloaded surrounding topographic map, and helps the user to arrive at a destination or leave the uncovered position of the cellular network.
Drawings
FIG. 1 is a control block diagram of the overall structure of a high-precision positioning communication mobile phone based on satellite communication according to the present invention;
FIG. 2 is a control block diagram of a satellite communication module structure of a high-precision positioning communication mobile phone based on satellite communication according to the present invention;
FIG. 3 is a control block diagram of the structure of a human-computer interaction module of a high-precision positioning communication mobile phone based on satellite communication according to the present invention;
FIG. 4 is a display image diagram of the satellite finding module when the mobile phone of the present invention is in use.
In the figure: 1. a control module; 2. a GPS positioning module; 3. a satellite communication module; 301. an RDSS radio frequency module; 302. an RDSS baseband module; 303. a data compression module; 4. a direction positioning module; 5. a clock module; 6. an altitude detection module; 7. a satellite line simulation module; 8. a satellite searching module; 9. a human-computer interaction module; 901. an emergency calling module; 902. a positioning and path-finding module; 903. positioning an interaction module; 10. a data storage module; 11. a display module; 12. a displacement feedback module; 13. a reminding module; 14. and a power supply module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the method comprises the following steps:
the control module 1 is used for receiving various information and issuing a control instruction;
the GPS positioning module 2, the connecting end of the GPS positioning module 2 and the connecting end of the control module 1 are connected in two ways, and the input end of the GPS positioning module 2 is wirelessly connected with the output end of a positioning satellite through a radio frequency signal, so that a mobile phone user is provided with GPS positioning service;
the connecting end of the satellite communication module 3 is in bidirectional connection with the connecting end of the control module 1, and the connecting end of the satellite communication module 3 is in bidirectional wireless connection with the connecting end of the communication satellite through a radio frequency signal, so that the mobile phone and the communication satellite complete satellite communication;
the connecting end of the direction positioning module 4 is bidirectionally connected with the connecting end of the control module 1, so that direction identification service is provided for a mobile phone user on the basis of the GPS positioning module 2;
the connecting end of the clock module 5 is bidirectionally connected with the connecting end of the control module 1, and the clock module 5 is used for correcting the time of the mobile phone by the time service of the positioning satellite when the GPS positioning module 2 is connected with the positioning satellite;
the output end of the altitude detection module 6 is connected with the input end of the control module 1;
the satellite circuit simulation module 7 is used for simulating the attitude of a communication satellite, and the connecting end of the satellite circuit simulation module 7 is bidirectionally connected with the connecting end of the control end;
the satellite searching module 8 is connected with the connecting end of the control module 1 in a bidirectional mode, and is used for displaying a position relation between a communication satellite and a mobile phone signal transmitting end according to simulated communication satellite attitude information provided by the satellite circuit simulation module 7, time information provided by the clock module 5 and position information provided by the GPS positioning module 2;
and the output end of the human-computer interaction module 9 is connected with the input end of the control module 1, so that a user can complete information interaction with the mobile phone.
The system further comprises a data storage module 10, wherein the connecting end of the data storage module 10 is in bidirectional connection with the connecting end of the control module 1, and the data storage module 10 is used for storing coordinate information of the cellular base station, map information, attitude information of the communication satellite and various information received and issued by the control module 1.
The man-machine interaction module 9 comprises an emergency help seeking module 901, a positioning and path finding module 902 and a positioning interaction module 903, wherein the emergency help seeking module 901 is used for seeking help to the outside through a communication satellite, the positioning and path finding module 902 is used for realizing accurate positioning through the communication satellite so as to provide a reference path for a user, and the positioning interaction module 903 is used for presenting position and time in a certain space-time range.
The satellite communication module 3 comprises an RDSS radio frequency module 301, an RDSS baseband module 302 and a data compression module 303, wherein the connection end of the RDSS radio frequency module 301 is bidirectionally connected with the connection end of the RDSS baseband module 302, and the output end of the data compression module 303 is connected with the input end of the RDSS baseband module 302.
The data compression module 303 adopts a lossless data compression algorithm which is an lzo compression algorithm or an lz4 compression algorithm, the RDSS radio frequency module 301 is used for realizing short message communication and comprises a receiving channel and a sending channel, the RDSS baseband module 302 realizes demodulation processing of intermediate frequency digital signals in the receiving process, communication with a terminal is realized after amplification, filtering and sampling processes, information received by the RDSS radio frequency module 301 comprises receipt information, positioning information, time information and time and coordinate information of other equipment at certain time and space, in the sending process, the control module 1 issues a control command to enable the RDSS radio frequency module 301 to enter a satellite wireless channel for transmission, and the sent information comprises alarm, positioning, a user moving target direction and user information.
The mobile phone touch screen display device further comprises a display module 11, the connecting end of the display module 11 is connected with the connecting end of the control module 1 in a two-way mode, and the display module 11 comprises a mobile phone touch screen so as to display picture information and feedback information for a user.
The device is characterized by further comprising a displacement feedback module 12, wherein the output end of the displacement feedback module 12 is connected with the input end of the control module 1, the displacement feedback module 12 comprises a micro gyroscope, the altitude detection module 6 comprises a micro barometer, and the direction positioning module 4 comprises an electronic compass.
The system also comprises a reminding module 13, wherein the input end of the reminding module 13 is in bidirectional connection with the connecting end of the control module 1 and is used for reminding a user whether to download a surrounding topographic map at the edge position of the cellular signal base station.
The power supply device further comprises a power supply module 14, an output end of the power supply module 14 is connected with an input end of the control module 1, and the power supply module 14 is used for supplying power to the control module 1.
The working principle is as follows: when the mobile phone is used, the mobile phone is suitable for outdoor expeditioners, when a user carries the mobile phone to enter the range outside the coverage edge of the cellular base station, the mobile phone reminds the user whether to download the surrounding terrain map or not at the signal coverage edge position, for tourism outdoor expeditioners, the surrounding terrain map is undoubtedly downloaded to safely select for strange field exploration, and when the user gets lost outdoors, the satellite communication help is sought through the man-machine interaction module 9.
When the user is dangerous in situation and cannot or is inconvenient to move, the user can select the emergency help-seeking module 901 from the operation interface of the mobile phone man-machine interaction module 9, the GPS positioning module 2 is automatically opened and connected with the positioning satellite to acquire position coordinates and calibrate the time of the clock module 5 through satellite time service, the positions of mobile phone signal transmitting ends corresponding to a plurality of communication satellites can be calculated through the satellite circuit simulation module 7 according to accurate time information and the communication satellite attitude information recorded in the data storage module 10, the direction positioning module 4 is opened and provides direction identification for the user through an electronic compass, meanwhile, a plurality of preset short messages appear on the operation interface, the user can also edit the content according to the actual requirement of the user, but the content of the short messages does not exceed 30 Chinese characters, namely 60 bytes, shortening bytes of the short message as much as possible to avoid causing broadband load to the communication satellite, compressing bytes by a data compression module 303 when the short message carries position coordinates and the altitude detected by an altitude detection module 6, reducing the size of the data, transmitting the short message to the communication satellite by an RDSS baseband module 302 and an RDSS radio frequency module 301, displaying an operation picture of a satellite searching module 8 on a mobile phone interface before transmitting the short message to the communication satellite, namely as shown in FIG. 4, wherein the operation interface of the satellite searching module 8 is a space coordinate system, a pointer and a communication satellite icon which are composed of three rings, the position of the communication satellite icon corresponds to the position of a mobile phone signal transmitting end corresponding to the communication satellite calculated by a satellite circuit simulation module 7, and the amplitude of the rotating or moving mobile phone is recorded by a gyroscope in a displacement feedback module 12, the pointer in the picture is controlled to move, namely the coordinate system and the communication satellite icon are in a static device corresponding to the outside in the picture, the pointer moves along with the movement of the mobile phone until the pointer accurately points to a certain communication satellite icon, at the moment, the RDSS radio frequency module 301 transmits compressed and carried coordinate information and short messages of the altitude to the communication satellite, so that the purposes of accurately transmitting signals and improving the success rate of transmitting mobile phone signals are achieved, the communication satellite receives the signals and feeds back receipt information, positioning information and time information to the mobile phone, meanwhile, the communication satellite transmits the information to the ground satellite station, finally, the ground satellite station transmits the information to a target person through a cellular network, when the coordinate positioned by the GPS positioning module 2 is inconsistent with the coordinate positioned by the ground satellite station connected with the satellite communication module 3, the altitude can be used as a reference factor at the moment, the calculation is carried out again according to a coordinate calculation method, the result calculated by combining the GPS positioning module 2, the satellite communication module 3 and the altitude is used as a final coordinate, the information is transmitted to the target person, and compared with the coordinate obtained by independently using the GPS positioning module 2 or the satellite communication module 3, the purpose of high-accuracy is achieved undoubtedly, so that the purpose of high-accuracy is achieved;
when a user can move by himself, in order to accelerate the searching progress of a searcher, the user can add a preparation moving direction in a preset short message, because a terrain map and the coordinate information of the cellular base station recorded in the data storage module 10 are downloaded, the user can take the cellular base station as a reference object and move to the cellular base station which is referred by a target, at the moment, the moving preset route is compressed by the data compression module 303 along with the short message, finally, the short message which is compressed and carries coordinate information, preset route information and altitude is transmitted to the communication satellite through the RDSS radio frequency module 301, the communication satellite is transmitted to the ground satellite station and finally transmitted to a rescuer, at the moment, the rescuer can move to the moving direction of the help seeking user according to the preset route information, the process of two-way rush is realized, and the rescue of the user is accelerated;
when the user does not need to ask for help, the altitude detected by the GPS positioning module 2 in cooperation with the satellite communication module 3 and the altitude detection module 6 provides high-precision positioning for the user, and the downloaded surrounding topographic map is matched to provide surrounding environment information for the user so as to help the user to arrive at a destination or leave the uncovered position of the cellular network;
when multiple users go with each other, that is, when multiple outdoor expeditioners search for the same direction together, first of all, when entering into the uncovered range of the cellular network, multiple users should record their own ID information into the ground satellite station first, because the connection range of the interphone is limited, communication between users is greatly limited, for example, a user who reaches the top of a mountain wants to know other users first, and stays on the top of a mountain to wait for other users to arrive, at this time, the user activates the positioning interaction module 903 in the human-computer interaction module 9, at this time, the RDSS radio frequency module 301 can send position and time information to the communication satellite, the communication satellite transmits the position and time information of the user to the ground satellite station, because the ID of the user is recorded by the ground satellite station, when other users make the positioning interaction module 903, the time and spatial coordinates left by the user who reaches the top of a mountain first can be seen on the map, at this time, what position each user is located by the positioning interaction module 903 can be known, thereby providing greater convenience for gathering between users.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A high accuracy location communication cell-phone based on satellite communication which characterized in that: the method comprises the following steps:
the control module (1) is used for receiving various information and issuing a control instruction;
the connecting end of the GPS positioning module (2) is bidirectionally connected with the connecting end of the control module (1), and the input end of the GPS positioning module (2) is wirelessly connected with the output end of a positioning satellite through a radio frequency signal, so that GPS positioning service is provided for a mobile phone user;
the connecting end of the satellite communication module (3) is in bidirectional connection with the connecting end of the control module (1), and the connecting end of the satellite communication module (3) is in bidirectional wireless connection with the connecting end of the communication satellite through a radio frequency signal, so that the mobile phone and the communication satellite complete satellite communication;
the connecting end of the direction positioning module (4) is in bidirectional connection with the connecting end of the control module (1) so as to provide direction identification service for a mobile phone user on the basis of the GPS positioning module (2);
the clock module (5), the link of the said clock module (5) is connected with link of the control module (1) bidirectionally, the said clock module (5) is used for correcting the time of the mobile phone through the time service of the positioning satellite when GPS orientation module (2) is connected with positioning satellite;
the output end of the altitude detection module (6) is connected with the input end of the control module (1);
the satellite circuit simulation module (7), the connecting end of the satellite circuit simulation module (7) is connected with the connecting end of the control end in a bidirectional mode, and the satellite circuit simulation module is used for simulating the attitude of a communication satellite;
the satellite searching module (8) is connected with the connecting end of the control module (1) in a bidirectional mode, and is used for presenting a position relation between a communication satellite and a mobile phone signal transmitting end according to simulated communication satellite attitude information provided by the satellite line simulation module (7), time information provided by the clock module (5) and position information provided by the GPS positioning module (2);
the output end of the human-computer interaction module (9) is connected with the input end of the control module (1) so that a user can complete information interaction with the mobile phone.
2. A high-precision positioning communication handset based on satellite communication according to claim 1, characterized in that: the mobile phone is characterized by further comprising a data storage module (10), wherein the connecting end of the data storage module (10) is in two-way connection with the connecting end of the control module (1), and the data storage module (10) is used for storing coordinate information of the cellular base station, map information, communication satellite attitude information and various pieces of information received and issued by the control module (1).
3. A high-precision positioning communication handset based on satellite communication according to claim 1, characterized in that: the man-machine interaction module (9) comprises an emergency help-seeking module (901), a positioning route-seeking module (902) and a positioning interaction module (903), wherein the emergency help-seeking module (901) is used for seeking help to the outside through a communication satellite, the positioning route-seeking module (902) is used for realizing accurate positioning through the communication satellite so as to provide a reference path for a user, and the positioning interaction module (903) is used for presenting position and time in a certain space-time range.
4. A high-precision positioning communication handset based on satellite communication according to claim 1, characterized in that: the satellite communication module (3) comprises an RDSS radio frequency module (301), an RDSS baseband module (302) and a data compression module (303), wherein the connecting end of the RDSS radio frequency module (301) is connected with the connecting end of the RDSS baseband module (302) in a bidirectional mode, and the output end of the data compression module (303) is connected with the input end of the RDSS baseband module (302).
5. The high-precision positioning communication handset based on satellite communication according to claim 4, wherein: the data compression module (303) adopts a lossless data compression algorithm which is an lzo compression algorithm or an lz4 compression algorithm, the RDSS radio frequency module (301) is used for realizing short message communication and comprises a receiving channel and a sending channel, the RDSS baseband module (302) realizes demodulation processing of intermediate frequency digital signals in the receiving process, communication with a terminal is realized after amplification, filtering and sampling processes, and information received by the RDSS radio frequency module (301) comprises receipt information, positioning information, time information and time and coordinate information of certain other space-time equipment.
6. A high-precision positioning communication handset based on satellite communication according to claim 1, characterized in that: the mobile phone touch screen display device is characterized by further comprising a display module (11), wherein the connecting end of the display module (11) is in two-way connection with the connecting end of the control module (1), and the display module (11) comprises a mobile phone touch screen so as to display picture information and feedback information for a user.
7. A high accuracy positioning communication handset based on satellite communication according to claim 1, characterized in that: the device is characterized by further comprising a displacement feedback module (12), wherein the output end of the displacement feedback module (12) is connected with the input end of the control module (1), the displacement feedback module (12) comprises a micro gyroscope, the altitude detection module (6) comprises a micro barometer, and the direction positioning module (4) comprises an electronic compass.
8. A high-precision positioning communication handset based on satellite communication according to claim 1, characterized in that: the system is characterized by further comprising a reminding module (13), wherein the input end of the reminding module (13) is in bidirectional connection with the connecting end of the control module (1) and used for reminding a user whether to download a surrounding topographic map when the user enters the edge position of the cellular signal base station.
9. A high-precision positioning communication handset based on satellite communication according to claim 1, characterized in that: the power supply device is characterized by further comprising a power supply module (14), wherein the output end of the power supply module (14) is connected with the input end of the control module (1), and the power supply module (14) is used for supplying power for the control module (1).
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| CN202211385361.3A CN115902951A (en) | 2022-11-07 | 2022-11-07 | High-precision positioning communication mobile phone based on satellite communication |
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