CN108134988A - A kind of motor vehicle long-range control method and system - Google Patents
A kind of motor vehicle long-range control method and system Download PDFInfo
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- CN108134988A CN108134988A CN201711188521.4A CN201711188521A CN108134988A CN 108134988 A CN108134988 A CN 108134988A CN 201711188521 A CN201711188521 A CN 201711188521A CN 108134988 A CN108134988 A CN 108134988A
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- 238000004891 communication Methods 0.000 claims description 59
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Classifications
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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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/0011—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots associated with a remote control arrangement
- G05D1/0044—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots associated with a remote control arrangement by providing the operator with a computer generated representation of the environment of the vehicle, e.g. virtual reality, maps
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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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
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
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- Automation & Control Theory (AREA)
- Mobile Radio Communication Systems (AREA)
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Abstract
The invention discloses a kind of motor vehicle long-range control method and systems.This method includes：Step 1, command information is encrypted in control device, and encrypted command information is carried in Big Dipper message；Step 2, the Big Dipper message for carrying encrypted command information is sent to Beidou satellite system；Step 3, the Big Dipper message for carrying encrypted vehicle information is received from Beidou satellite system；Step 4, encrypted vehicle information is extracted from the Big Dipper message of reception, and is decrypted using manner of decryption corresponding with mobile unit encryption vehicle information, obtains vehicle information.The method of the present invention and system can solve the problem of that the poor signal cover of the information stability of traditional Remote control method is small；It and being capable of the remotely status information of real-time collection vehicle and position.
Description
Technical field
The present invention relates to satellite communication field more particularly to a kind of motor vehicle long-range control method and systems.
Background technology
At present, remote control technology is very wide in every profession and trade application, such as motor vehicle, Mining machinery, unmanned vehicle etc..It is right
Mainly using sms, wifi equipment is carried out remote control technology by radio control.
But existing remote control technology relies on wifi, sms short message etc. and carries out Remote Device Control, presence signal is not
Stablize, coverage area is small, controls the problems such as inaccurate, is mainly reflected in：
(1) existing tele-control system is based on wifi systems, and signal stabilization is poor, and phenomena such as going offline protrudes, by network rings
Border influences big；
(2) based on the technology of radio due to the use of limitation and electromagnetism intensity problem, limited coverage area；
(3) trafficwise based on operator's short message, since the transmission reliability of sms is poor, signal stabilization is poor.
Therefore, it is necessary to a kind of signal stabilization, wide coverage, the high remote control technologies of transmission accuracy rate.
Invention content
In order to solve the problems in the existing technology, the present invention provides a kind of motor vehicle long-range control method and it is
System.
According to an aspect of the invention, there is provided a kind of motor vehicle long-range control method, the method includes：
Step 1, command information is encrypted in control device, and encrypted command information is carried to Big Dipper message
In；
Step 2, the Big Dipper message for carrying the encrypted command information is sent to Beidou satellite system；
Step 3, the Big Dipper message for carrying encrypted vehicle information is received from Beidou satellite system；
Step 4, the encrypted vehicle information is extracted from the Big Dipper message of reception, and uses and adds with mobile unit
The close corresponding manner of decryption of the vehicle information is decrypted, and obtains the vehicle information.
Wherein, the step 1 includes：
The encrypted command information is carried in the telegraph text content field of the communication message information of Big Dipper message；
The step 4 includes：
The encrypted motor vehicle is extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception
Information.
Wherein, the step 1 further includes：
Following information are carried in the telegraph text content field of the communication message information of Big Dipper message：First kind request command
Word, request ciphertext length, request ciphertext, request check code；
The step 4 further includes：
Following information are extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception：The first kind is replied
Command word replys ciphertext length, replys ciphertext, replys check code.
Wherein, the step 1 further includes：
Following information are arranged in the request ciphertext：Second class request command word, request message mark, required parameter
Number, each required parameter, subsequent request message identification；
The step 4 further includes：
Following information are extracted from the reply ciphertext：Second class commands in return word replys message identification, reply parameter
Several, each reply parameter subsequently replys message identification.
According to another aspect of the present invention, a kind of motor vehicle long-range control method is additionally provided, the method includes：
Step 1, mobile unit receives the Big Dipper message for carrying encrypted command information from Beidou satellite system；
Step 2, the encrypted command information is extracted from the Big Dipper message of reception, and is encrypted using with control device
The corresponding manner of decryption of described instruction information is decrypted, and obtains described instruction information；
Step 3, based on described instruction acquisition of information state of motor vehicle, vehicle information is generated；
Step 4, the vehicle information is encrypted, and encrypted vehicle information is carried to Big Dipper message
In；
Step 5, the Big Dipper message for carrying the encrypted vehicle information is sent to Beidou satellite system.
Wherein, the step 2 includes：
The encrypted instruction letter is extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception
Breath；
The step 4 includes：
The encrypted vehicle information is carried in the telegraph text content field of the communication message information of Big Dipper message.
Wherein, the step 2 further includes：
Following information are extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception：The first kind is asked
Command word, request ciphertext length, request ciphertext, request check code；
The step 4 further includes：
Following information are carried in the telegraph text content field of the communication message information of Big Dipper message：First kind commands in return
Word replys ciphertext length, replys ciphertext, replys check code.
Wherein, the step 2 further includes：
Following information are extracted from the request ciphertext：Second class request command word, request message mark, required parameter
Several, each required parameter, subsequent request message identification；
The step 4 further includes：
Following information are arranged in the reply ciphertext：Second class commands in return word replys message identification, reply parameter
Number, subsequently replys message identification at each reply parameter.
According to another aspect of the present invention, a kind of motor vehicle tele-control system is additionally provided, the system is set in control
Standby middle realization, the system comprises：
Encrypting module, for command information to be encrypted；
Module is built, for encrypted command information will to be carried in Big Dipper message；
Sending module, for the Big Dipper message for carrying the encrypted command information to be sent to Beidou satellite system；
Receiving module, for receiving the Big Dipper message for carrying encrypted vehicle information from Beidou satellite system；
Extraction module, for extracting the encrypted vehicle information from the Big Dipper message of reception；
Deciphering module, for being decrypted using manner of decryption corresponding with the mobile unit encryption vehicle information,
Obtain the vehicle information.
Wherein, the structure module is additionally operable to the encrypted command information being carried to the communication message of Big Dipper message
In the telegraph text content field of information；
The extraction module is additionally operable to extract from the telegraph text content field of the communication message information of the Big Dipper message of reception
The encrypted vehicle information.
Wherein, the structure module is additionally operable to following information being carried in the text of communication message information of Big Dipper message
Hold in field：First kind request command word, request ciphertext length, request ciphertext, request check code；
The extraction module is additionally operable to extract from the telegraph text content field of the communication message information of the Big Dipper message of reception
Following information：First kind commands in return word replys ciphertext length, replys ciphertext, replys check code.
Wherein, the structure module is additionally operable to following information being arranged in the request ciphertext：Second class request command
Word, request message mark, required parameter number, each required parameter, subsequent request message identification；
The extraction module is additionally operable to extract following information from the reply ciphertext：Second class commands in return word is replied
Message identification, each reply parameter, subsequently replys message identification at reply parameter number.
According to another aspect of the present invention, a kind of motor vehicle tele-control system is additionally provided, the system is set vehicle-mounted
Standby middle realization, the system comprises：
Receiving module, for receiving the Big Dipper message for carrying encrypted command information from Beidou satellite system；
Extraction module, for extracting the encrypted command information from the Big Dipper message of reception；
Deciphering module for being decrypted using manner of decryption corresponding with control device encryption described instruction information, is obtained
Obtain described instruction information；
Operation module for being based on described instruction acquisition of information state of motor vehicle, generates vehicle information；
Encrypting module, for the vehicle information to be encrypted；
Module is built, for encrypted vehicle information to be carried in Big Dipper message；
Sending module, for the Big Dipper message for carrying the encrypted vehicle information to be sent to big-dipper satellite system
System.
Wherein, the extraction module is additionally operable to from the telegraph text content field of the communication message information of the Big Dipper message of reception
Extract the encrypted command information；
The communication message that the structure module is additionally operable to the encrypted vehicle information being carried to Big Dipper message is believed
In the telegraph text content field of breath.
Wherein, the extraction module is additionally operable to from the telegraph text content field of the communication message information of the Big Dipper message of reception
Extract following information：First kind request command word, request ciphertext length, request ciphertext, request check code；
The structure module is additionally operable to following information being carried to the telegraph text content word of the communication message information of Big Dipper message
Duan Zhong：First kind commands in return word replys ciphertext length, replys ciphertext, replys check code.
Wherein, the extraction module is additionally operable to extract following information from the request ciphertext：Second class request command word,
Request message mark, required parameter number, each required parameter, subsequent request message identification；
The structure module is additionally operable to following information being arranged in the reply ciphertext：Second class commands in return word returns
Multiple message identification, each reply parameter, subsequently replys message identification at reply parameter number.
Motor vehicle long-range control method and system in the present invention, will by Beidou satellite system into the transmission of row information
Information to be transmitted by specific data format carry in the telegraph text content field of the communication message information of Big Dipper message into
Row transmission.The method of the present invention and system have following advantageous effects：
(1) solve the problem of that the poor signal cover of information stability of traditional Remote control method is small；
It (2) being capable of the remotely status information of real-time collection vehicle and position；
(3) vehicle behavior can be controlled.
Description of the drawings
The attached drawing for forming the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of motor vehicle long-range control method according to the present invention realized on the control device；
Fig. 2 is the flow chart of motor vehicle long-range control method according to the present invention realized on mobile unit；
Fig. 3 is the schematic diagram of motor vehicle long-range control method specific embodiment according to the present invention；
Fig. 4 is the schematic diagram of motor vehicle tele-control system according to the present invention realized on the control device；
Fig. 5 is the schematic diagram of motor vehicle tele-control system according to the present invention realized on mobile unit.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work shall fall within the protection scope of the present invention.It needs
Illustrate, in the absence of conflict, the feature in embodiment and embodiment in the application mutually can be combined arbitrarily.
The present invention provides a kind of motor vehicle long-range control method, this method is performed by control device.It as shown in Figure 1, should
Method includes：
Step 101, command information is encrypted in control device, and encrypted command information is carried to Big Dipper message
In；
Step 102, the Big Dipper message for carrying encrypted command information is sent to Beidou satellite system；
Step 103, the Big Dipper message for carrying encrypted vehicle information is received from Beidou satellite system；
Step 104, encrypted vehicle information is extracted from the Big Dipper message of reception, and is encrypted using with mobile unit
The corresponding manner of decryption of vehicle information is decrypted, and obtains vehicle information.
Control device in the present invention, i.e. user equipment terminal receive and dispatch Big Dipper message by Beidou satellite system.
Mobile unit is all to carry information in the communication application $ TXSQ of Big Dipper message northwards as control device
The satellite system that struggles against is sent, and the information in Big Dipper message in communication information $ TXXX is received from Beidou satellite system.Table 1 show from
The structure of Big Dipper message that ground installation is sent to Beidou satellite system, table 2 are shown from Beidou satellite system earthward equipment
The structure of the Big Dipper message of transmitting.
Table 1
Table 2
Step 101 includes：Encrypted command information is carried to the telegraph text content of the communication message information of Big Dipper message
In field；Step 104 includes：It is extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception encrypted
Vehicle information.The wherein length of telegraph text content field up to 1680bit.
Step 101 further includes：Following information are carried in the telegraph text content field of the communication message information of Big Dipper message：
First kind request command word, request ciphertext length, request ciphertext, request check code；Step 104 further includes：From the Big Dipper of reception
Following information are extracted in the telegraph text content field of the communication message information of message：First kind commands in return word, reply ciphertext length,
It replys ciphertext, reply check code.
The data format for the command information that control device is carried in Big Dipper message is carried to Big Dipper message with mobile unit
In vehicle information data format it is identical.Therefore control device and mobile unit are receiving Big Dipper report from Beidou satellite system
When wherein information is extracted after text, extracted all in accordance with data format identical when information is carried in Big Dipper message.It carries
Data structure to the information in telegraph text content field can be set according to following sequences and byte number：The first kind of 2 bytes please
Ask/commands in return word, request/reply ciphertext length of 1 byte, no more than request/reply ciphertexts of 191 bytes, 16 bytes
Request/reply check code.Above- mentioned information is described as follows：
(1) command word：Account for 2 bytes, be unsigned int, represent order classification, such as can include control command and
Status command.Wherein, control command, CTRL=0x01 represent this order remote vehicle action command in order to control；State is ordered
It enables, STATS=0x02, it is remote vehicle state information acquisition order to identify this order.
(2) ciphertext length：1 byte is accounted for, records the encrypted length of actual content parameter of order.
(3) ciphertext：It is determined by ciphertext length, is the actual content of order, solved using the Crypted password for being not required to transmit
It is close, it can obtain ciphertext original text before encrypting, no more than 191 bytes.
(4) check code MD5 is verified：16 bytes are accounted for, whether are tampered for verification data transmission, can be that MD5 is verified
Code, i.e. Big Dipper Termination ID+command word+ciphertext.
Step 101 further includes：Following information are arranged in request ciphertext：Second class request command word, request message mark
Knowledge, required parameter number, each required parameter, subsequent request message identification；Step 104 further includes：Under being extracted from reply ciphertext
State information：Second class commands in return word replys message identification, reply parameter number, each reply parameter, follow-up reply message mark
Know.
The data format for the request ciphertext that control device is carried in Big Dipper message is carried to Big Dipper message with mobile unit
In reply ciphertext data format it is identical.Therefore control device and mobile unit are receiving Big Dipper message from Beidou satellite system
After when extracting wherein information, extracted all in accordance with data format identical when information is carried in Big Dipper message.It is carried to
The data structure of information in ciphertext field can be set according to following sequences and byte number：The second class request/reply of 2 bytes
Command word, request/reply message identification of 2 bytes, request/reply parameter number of 1 byte, each request/reply parameter, 2 words
The subsequent request of section/reply message identification.Above- mentioned information is described as follows：
(1) command word：2 bytes, the specific instruction for controlling motor vehicles.
(2) message identification：2 bytes recycle, unsigned int, and for recording the mark of current message, cooperation is follow-up
Message identification transmits larger order parameter.
(3) number of parameters：1 byte, maximum 128 parameters.
(4) parameter：Perform and order necessary parameter, parameter directly using 0 end up.
(5) subsequent packet identifies：2 bytes, when no subsequent packet, pass 0, have subsequent packet transmission subsequent packet mark, only
Just determine that message transmissions are completed when being 0.When user transmit entire message length be more than Big Dipper short message can not single carrying feelings
It during condition, then needs to carry by multiple Big Dipper short messages, it is therefore desirable to the end of subsequent packet mark label message.
The part schematically listed the part instruction in request ciphertext below and replied in ciphertext instructs.Ask ciphertext
In instruction：
(1) command word：LOCK (value 1)；
Effect：Lock command；
Number of parameters：1；
Parameter 1：Whether opening car door；0, closed door, 1 opening car door；
(2) command word：START (value 2)；
Effect：Start motor vehicle, be equivalent to key；
Number of parameters：1；
Parameter 1：Whether startup is played；0, stop working, 1 starting ignition；
(3) command word：LOCATION (value 3)；
Effect：Obtain controlled object position；
Parameter：Nothing；
(4) command word：CYCLE_STATE (value 4)；
Effect：Obtain vehicle parameter current；Oil mass, oil level, battery capacity, tire pressure etc.；
Parameter：Nothing；
Reply the instruction in ciphertext：
(1) command word：LOCK_RESP (value 0xf001)；
Effect：It returns and accuses section control result state；
Number of parameters：1；
Parameter 1：1, vehicle door lock, 2, car door is unlocked, and 0, operation failure；
(2) command word：START_RESP (value 0xf002)；
Effect：Start motor vehicle, be equivalent to key；
Number of parameters：1；
Parameter 1：0, operation failure, 1, vehicle has been turned on, and 2 vehicles have stopped working；
(3) command word：LOCATION_RESP (value 0xf003)；
Effect：Obtain controlled object position；
Number of parameters：1；
Parameter 1：Longitude, latitude, height above sea level, headstock direction；
(4) command word：CYCLE_STATE_RESP (value 0xf004)；
Effect：Obtain vehicle parameter current；
Number of parameters：1；
Parameter 1：Oil mass, oil level, battery capacity, tire pressure.
It is above-mentioned to be the instruction illustratively listed in request ciphertext and reply the instruction in ciphertext, in actual practice
Instruction is not limited to this.
The present invention also provides a kind of motor vehicle long-range control method, this method is performed by mobile unit.As shown in Fig. 2,
This method includes：
Step 201, mobile unit receives the Big Dipper message for carrying encrypted command information from Beidou satellite system；
Step 202, encrypted command information is extracted from the Big Dipper message of reception, and is referred to using with control device encryption
The corresponding manner of decryption of information is enabled to be decrypted, obtains command information；
Step 203, acquisition of information state of motor vehicle based on instruction generates vehicle information；
Step 204, vehicle information is encrypted, and encrypted vehicle information is carried in Big Dipper message；
Step 205, the Big Dipper message for carrying encrypted vehicle information is sent to Beidou satellite system.
Mobile unit receives Big Dipper message from Beidou satellite system and parses outbound message instruction, controls the operation of the vehicle and acquires
Vehicle dynamic/static parameter.The wherein information of vehicle sensors collection vehicle, such as electricity, tire pressure other parameter.In addition, vehicle
Equipment is carried after Big Dipper message is received, the hardware information of control device, mark, equipment sequence can also be obtained from Big Dipper message
Number etc..Mobile unit verifies the information in Big Dipper message with local file, verification pass through after vehicle is controlled and
Parameter acquisition.
Mobile unit is all to carry information in the communication application $ TXSQ of Big Dipper message northwards as control device
The satellite system that struggles against is sent, and the information in Big Dipper message in communication information $ TXXX is received from Beidou satellite system.The biography of Big Dipper message
Transport format is as previously mentioned, details are not described herein.
In step 203, state of motor vehicle is obtained, and then generate vehicle information after motor vehicle can also be controlled.
Step 202 includes：From the telegraph text content field of the communication message information of the Big Dipper message of reception after extraction encryption
Command information；
Step 204 includes：Encrypted vehicle information is carried in the text of communication message information of Big Dipper message
Hold in field.
Step 202 further includes：It is extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception following
Information：First kind request command word, request ciphertext length, request ciphertext, request check code；
Step 204 further includes：Following information are carried in the telegraph text content field of the communication message information of Big Dipper message：
First kind commands in return word replys ciphertext length, replys ciphertext, replys check code.
Step 202 further includes：Following information are extracted from request ciphertext：Second class request command word, request message mark,
Required parameter number, each required parameter, subsequent request message identification；
Step 204 further includes：Following information are arranged on and are replied in ciphertext：Second class commands in return word replys message mark
Knowledge, each reply parameter, subsequently replys message identification at reply parameter number.
The data structure for the Big Dipper message that mobile unit receives is carried to the data structure in Big Dipper message with control device
It is identical, the data structure phase for the Big Dipper message that the data structure that mobile unit is carried in Big Dipper message is received with control device
Together, therefore, details are not described herein.
It should be noted that control device and mobile unit are all using identical encryption or decoding algorithm.For example, encryption
When first using AES symmetric cryptographies, the key that key is arranged in advance using both sides carries out BASE64 codings after AES encryption；During decryption
BASE64 decodings are first carried out, are then decrypted using AES, the key that key is arranged in advance using both sides.
The specific embodiment of motor vehicle long-range control method according to the present invention is described below in detail.As shown in figure 3, including
Following flows：
Step 1, the control device generation control instruction of Big Dipper short message function is supported；
Step 2, instruction is encrypted in control device, generates ciphertext；
Step 3, Big Dipper short message interface is called, the communication application $ TXSQ of Big Dipper message are filled into using ciphertext as parameter
In；
Step 4, Big Dipper message is sent on the mobile unit for supporting Big Dipper short message function by big-dipper satellite；
Step 5, after mobile unit receives Big Dipper message, the data in the telegraph text content of communication information $ TXXX are taken out, that is, are added
Carry Big Dipper parameter；
Step 6, mobile unit verifies message, decryption；
Step 7, the message data after decryption is decomposed, command word, parameter is taken out, performs action；
Step 8, after vehicle performs action (add/unlock, start vehicle, the request of acquisition vehicle condition), acquisition sensor parameters letter
Breath, message is assembled by mobile unit by parameter information；
Step 9, message is encrypted, check value is generated, is filled into the communication packet of mobile unit；
Step 10, control device is sent to by big-dipper satellite；
Step 11, message, disassembly instruction word and parameter are decrypted in control device extraction communication information content, verification；
Step 12, close friend is shown to user.
The present invention also provides a kind of motor vehicle tele-control system, system is realized in control device, as shown in figure 4,
System includes：
Encrypting module 401, for command information to be encrypted；
Module 402 is built, for encrypted command information will to be carried in Big Dipper message；
Sending module 403, for the Big Dipper message for carrying encrypted command information to be sent to Beidou satellite system；
Receiving module 404, for receiving the Big Dipper message for carrying encrypted vehicle information from Beidou satellite system；
Extraction module 405, for extracting encrypted vehicle information from the Big Dipper message of reception；
Deciphering module 406 for being decrypted using manner of decryption corresponding with mobile unit encryption vehicle information, is obtained
Obtain vehicle information.
Wherein, structure module 402 is additionally operable to encrypted command information being carried to the communication message information of Big Dipper message
Telegraph text content field in；
Extraction module 405 is additionally operable to the extraction from the telegraph text content field of the communication message information of the Big Dipper message of reception and adds
Vehicle information after close.
Wherein, structure module 402 is additionally operable to following information being carried in the text of communication message information of Big Dipper message
Hold in field：First kind request command word, request ciphertext length, request ciphertext, request check code；
Extraction module 405 is additionally operable under being extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception
State information：First kind commands in return word replys ciphertext length, replys ciphertext, replys check code.
Wherein, structure module 402 is additionally operable to following information being arranged in request ciphertext：Second class request command word is asked
Ask message identification, required parameter number, each required parameter, subsequent request message identification；
Extraction module 405 is additionally operable to extract following information from reply ciphertext：Second class commands in return word replys message mark
Knowledge, each reply parameter, subsequently replys message identification at reply parameter number.
The present invention also provides a kind of motor vehicle tele-control system, system is realized in mobile unit, as shown in figure 5,
System includes：
Receiving module 501, for receiving the Big Dipper message for carrying encrypted command information from Beidou satellite system；
Extraction module 502, for extracting encrypted command information from the Big Dipper message of reception；
Deciphering module 503 for being decrypted using manner of decryption corresponding with control device encrypted instruction information, is obtained
Command information；
Operation module 504 for acquisition of information state of motor vehicle based on instruction, generates vehicle information；
Encrypting module 505, for vehicle information to be encrypted；
Module 506 is built, for encrypted vehicle information to be carried in Big Dipper message；
Sending module 507, for the Big Dipper message for carrying encrypted vehicle information to be sent to Beidou satellite system.
Operation module 504 obtains state of motor vehicle, and then generate motor-driven after being additionally operable to information control motor vehicle based on instruction
Vehicle information.
Wherein, extraction module 502 is additionally operable to from the telegraph text content field of the communication message information of the Big Dipper message of reception
Extract encrypted command information；
Structure module 506 is additionally operable to encrypted vehicle information being carried to the electricity of the communication message information of Big Dipper message
In literary content field.
Wherein, extraction module 502 is additionally operable to from the telegraph text content field of the communication message information of the Big Dipper message of reception
Extract following information：First kind request command word, request ciphertext length, request ciphertext, request check code；
Structure module 506 is additionally operable to following information being carried to the telegraph text content field of the communication message information of Big Dipper message
In：First kind commands in return word replys ciphertext length, replys ciphertext, replys check code.
Wherein, extraction module 502 is additionally operable to extract following information from request ciphertext：Second class request command word, request
Message identification, required parameter number, each required parameter, subsequent request message identification；
Structure module 506 is additionally operable to following information being arranged on and reply in ciphertext：Second class commands in return word replys message
Mark, each reply parameter, subsequently replys message identification at reply parameter number.
Motor vehicle long-range control method and system in the present invention, will by Beidou satellite system into the transmission of row information
Information to be transmitted by specific data format carry in the telegraph text content field of the communication message information of Big Dipper message into
Row transmission.The method of the present invention and system have following advantageous effects：
(1) solve the problem of that the poor signal cover of information stability of traditional Remote control method is small；
It (2) being capable of the remotely status information of real-time collection vehicle and position；
(3) vehicle behavior can be controlled.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within protection scope of the present invention.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that article or equipment including a series of elements not only include those elements, but also including not having
There is the other element being expressly recited or further include as this article or the intrinsic element of equipment.Do not limiting more
In the case of system, the element that is limited by sentence " including ... ", it is not excluded that in the article including the element or equipment
Also there are other identical elements.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, reference only to preferred embodiment to this hair
It is bright to be described in detail.It will be understood by those of ordinary skill in the art that it can modify to technical scheme of the present invention
Or equivalent replacement, without departing from the spirit and scope of technical solution of the present invention, the claim model in the present invention should all be covered
In enclosing.
Claims (16)
1. a kind of motor vehicle long-range control method, which is characterized in that the method includes：
Step 1, command information is encrypted in control device, and encrypted command information is carried in Big Dipper message；
Step 2, the Big Dipper message for carrying the encrypted command information is sent to Beidou satellite system；
Step 3, the Big Dipper message for carrying encrypted vehicle information is received from Beidou satellite system；
Step 4, the encrypted vehicle information is extracted from the Big Dipper message of reception, and institute is encrypted using with mobile unit
It states the corresponding manner of decryption of vehicle information to be decrypted, obtains the vehicle information.
2. the method as described in claim 1, which is characterized in that
The step 1 includes：
The encrypted command information is carried in the telegraph text content field of the communication message information of Big Dipper message；
The step 4 includes：
The encrypted vehicle information is extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception.
3. method as claimed in claim 1 or 2, which is characterized in that
The step 1 further includes：
Following information are carried in the telegraph text content field of the communication message information of Big Dipper message：First kind request command word,
Ask ciphertext length, request ciphertext, request check code；
The step 4 further includes：
Following information are extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception：First kind commands in return
Word replys ciphertext length, replys ciphertext, replys check code.
4. method as claimed in claim 3, which is characterized in that
The step 1 further includes：
Following information are arranged in the request ciphertext：Second class request command word, request message mark, required parameter
Several, each required parameter, subsequent request message identification；
The step 4 further includes：
Following information are extracted from the reply ciphertext：Second class commands in return word, reply message identification, reply parameter number,
Each reply parameter subsequently replys message identification.
5. a kind of motor vehicle long-range control method, which is characterized in that the method includes：
Step 1, mobile unit receives the Big Dipper message for carrying encrypted command information from Beidou satellite system；
Step 2, extract the encrypted command information from the Big Dipper message of reception, and using with described in control device encryption
The corresponding manner of decryption of command information is decrypted, and obtains described instruction information；
Step 3, based on described instruction acquisition of information state of motor vehicle, vehicle information is generated；
Step 4, the vehicle information is encrypted, and encrypted vehicle information is carried in Big Dipper message；
Step 5, the Big Dipper message for carrying the encrypted vehicle information is sent to Beidou satellite system.
6. method as claimed in claim 5, which is characterized in that
The step 2 includes：
The encrypted command information is extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception；
The step 4 includes：
The encrypted vehicle information is carried in the telegraph text content field of the communication message information of Big Dipper message.
7. such as method described in claim 5 or 6, which is characterized in that
The step 2 further includes：
Following information are extracted from the telegraph text content field of the communication message information of the Big Dipper message of reception：First kind request command
Word, request ciphertext length, request ciphertext, request check code；
The step 4 further includes：
Following information are carried in the telegraph text content field of the communication message information of Big Dipper message：First kind commands in return word,
Ciphertext length is replied, ciphertext is replied, replys check code.
8. the method for claim 7, which is characterized in that
The step 2 further includes：
Following information are extracted from the request ciphertext：Second class request command word, request message mark, required parameter number,
Each required parameter, subsequent request message identification；
The step 4 further includes：
Following information are arranged in the reply ciphertext：Second class commands in return word replys message identification, reply parameter
Several, each reply parameter subsequently replys message identification.
9. a kind of motor vehicle tele-control system, which is characterized in that the system realizes in control device, the system packet
It includes：
Encrypting module, for command information to be encrypted；
Module is built, for encrypted command information will to be carried in Big Dipper message；
Sending module, for the Big Dipper message for carrying the encrypted command information to be sent to Beidou satellite system；
Receiving module, for receiving the Big Dipper message for carrying encrypted vehicle information from Beidou satellite system；
Extraction module, for extracting the encrypted vehicle information from the Big Dipper message of reception；
Deciphering module for being decrypted using manner of decryption corresponding with the mobile unit encryption vehicle information, is obtained
The vehicle information.
10. system as claimed in claim 9, which is characterized in that
The structure module is additionally operable to the encrypted command information being carried to the electricity of the communication message information of Big Dipper message
In literary content field；
The extraction module is additionally operable to from the telegraph text content field of the communication message information of the Big Dipper message of reception described in extraction
Encrypted vehicle information.
11. the system as described in claim 9 or 10, which is characterized in that
The structure module is additionally operable in the telegraph text content field that following information are carried to the communication message information of Big Dipper message：
First kind request command word, request ciphertext length, request ciphertext, request check code；
The extraction module is additionally operable to extract from the telegraph text content field of the communication message information of the Big Dipper message of reception following
Information：First kind commands in return word replys ciphertext length, replys ciphertext, replys check code.
12. system as claimed in claim 11, which is characterized in that
The structure module is additionally operable to following information being arranged in the request ciphertext：Second class request command word, request report
Literary mark, required parameter number, each required parameter, subsequent request message identification；
The extraction module is additionally operable to extract following information from the reply ciphertext：Second class commands in return word replys message
Mark, each reply parameter, subsequently replys message identification at reply parameter number.
13. a kind of motor vehicle tele-control system, which is characterized in that the system realizes in mobile unit, the system packet
It includes：
Receiving module, for receiving the Big Dipper message for carrying encrypted command information from Beidou satellite system；
Extraction module, for extracting the encrypted command information from the Big Dipper message of reception；
Deciphering module for being decrypted using manner of decryption corresponding with control device encryption described instruction information, obtains institute
State command information；
Operation module for being based on described instruction acquisition of information state of motor vehicle, generates vehicle information；
Encrypting module, for the vehicle information to be encrypted；
Module is built, for encrypted vehicle information to be carried in Big Dipper message；
Sending module, for the Big Dipper message for carrying the encrypted vehicle information to be sent to Beidou satellite system.
14. system as claimed in claim 13, which is characterized in that
The extraction module is additionally operable to from the telegraph text content field of the communication message information of the Big Dipper message of reception described in extraction
Encrypted command information；
The structure module is additionally operable to the encrypted vehicle information being carried to the communication message information of Big Dipper message
In telegraph text content field.
15. the system as described in claim 13 or 14, which is characterized in that
The extraction module is additionally operable to extract from the telegraph text content field of the communication message information of the Big Dipper message of reception following
Information：First kind request command word, request ciphertext length, request ciphertext, request check code；
The structure module is additionally operable in the telegraph text content field that following information are carried to the communication message information of Big Dipper message：
First kind commands in return word replys ciphertext length, replys ciphertext, replys check code.
16. system as claimed in claim 15, which is characterized in that
The extraction module is additionally operable to extract following information from the request ciphertext：Second class request command word, request message
Mark, required parameter number, each required parameter, subsequent request message identification；
The structure module is additionally operable to following information being arranged in the reply ciphertext：Second class commands in return word replys report
Literary mark, each reply parameter, subsequently replys message identification at reply parameter number.
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| CN201711188521.4A CN108134988A (en) | 2017-11-24 | 2017-11-24 | A kind of motor vehicle long-range control method and system |
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| CN201711188521.4A CN108134988A (en) | 2017-11-24 | 2017-11-24 | A kind of motor vehicle long-range control method and system |
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