CN108924794A - A kind of method and device of car networking terminal security communication - Google Patents
A kind of method and device of car networking terminal security communication Download PDFInfo
- Publication number
- CN108924794A CN108924794A CN201810802581.9A CN201810802581A CN108924794A CN 108924794 A CN108924794 A CN 108924794A CN 201810802581 A CN201810802581 A CN 201810802581A CN 108924794 A CN108924794 A CN 108924794A
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- Prior art keywords
- signal
- server
- unit
- encryption
- car networking
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
-
- 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]
Abstract
The present invention relates to network terminal technical fields, and disclose a kind of method and device of car networking terminal security communication, including server, the car networking terminal security communication includes server, encryption equipment, the network terminal and receiver, the internal activity of the server is equipped with chip, it is fixedly installed with switch on the outer surface of the server, the warning light for being located at switch two sides is fixedly mounted on the outer surface of the chip.By the effect of server, so that vehicle speed under steam and position are transferred in server in time by transmitter, when signal being avoided to transmit again, there is wrong the phenomenon that passing misinformation, using the effect of chip, increase the safety of server, prevents server in transmission, by extraneous factor, lead to Transmission, deviation occurs in the speed of the position and vehicle of causing vehicle, the security risk in vehicle driving is increased, avoids vehicle is too fast from causing unnecessary unexpected injury.
Description
Technical field
The present invention relates to network terminal technical field, specially a kind of method and device of car networking terminal security communication.
Background technique
Communication refers to the information interchange and transmitting carried out between person to person or man and nature by certain behavior or medium, from
Referring broadly to the both sides for needing information or in many ways without prejudice to respective wish using any means, any medium will
Information is accurately safely transmitted to another side from certain side.
Communication is the necessary means that modern society contacts between men, existing most car networking terminal security communication
Function is excessively single, is unable to satisfy the diversification of trip, and car networking terminal security communicates function when in use, needs accurate information
The position of vehicle and the speed of vehicle are prompted, avoids vehicle is too fast from causing unnecessary unexpected injury, while car networking terminal
Secure communication function needs to guarantee the safety of each car networking terminal communication when signal transmits, loss when data being avoided to transmit,
Cause security risk.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of method and device of car networking terminal security communication, tools
Standby safety is high, receives the advantages that stablizing, and it is excessively single to solve most car networking terminal security communication function, is unable to satisfy
The diversification of trip, car networking terminal security communicate function when in use, need accurate information to prompt position and the vehicle of vehicle
Speed, avoid vehicle is too fast from causing unnecessary unexpected injury, while car networking terminal security communication function is transmitted in signal
When, need to guarantee the safety of each car networking terminal communication, loss when data being avoided to transmit, the problem of causing security risk.
(2) technical solution
To realize that above-mentioned safety is high, receiving stable purpose, the present invention is provided the following technical solutions：A kind of car networking terminal
The method and device of secure communication, including server, the car networking terminal security communication include server, encryption equipment, net
Network terminal and receiver, the internal activity of the server are equipped with chip, are fixedly installed on the outer surface of the server
It switchs, the warning light for being located at switch two sides is fixedly mounted on the outer surface of the chip, the server is by encrypting equipment
Wireless transmission has the network terminal, is fixedly installed with converter, the appearance of the network terminal on the outer surface of the encryption equipment
Transmitter is fixedly installed on face, the network terminal is connected with receiver by wireless transmission；
The networked terminals are connected with beginning, and described to start to be connected with signal transmitting, the signal transmitting is connected with voice
Encoder, institute's speech encoder are connected with digital coding, and the digital coding is connected with digital signal, and the digital signal connects
Be connected to encryption unit, the encryption unit be by primitive sound signal, interception, A/D conversion, encryption, key, decryption, D/A conversion,
Restore voice signal, voice signal transmitting composition, the primitive sound signal is connected with interception, and the interception is connected with A/D conversion,
The A/D conversion is connected with encryption, and the encryption connection has key, and the key is connected with decryption, and the decryption is connected with D/A
Conversion, the D/A conversion are connected with recovery voice signal, and the recovery voice signal is connected with voice signal transmitting, described to add
Close unit is connected with server, and the server is connected with spectrum-spreading unit, and the spectrum-spreading unit is connected with demodulating unit, the solution
Unit is adjusted to be connected with channel decoding unit, the channel decoding unit is connected with voice decryption unit, the voice decryption unit
It is connected with speech coder, institute's speech encoder is connected with digital analog converter, and the digital analog converter is connected with signal transmitting,
The signal transmitting is connected with networked terminals.
Preferably, it when the user initiates call, is wirelessly transmitted on the network terminal by transmitter, then signal passes through
Speech coder is transmitted, and then carrying out digital coding becomes digital signal, then becomes digital encryption words by encryption unit
Sound signal, signal carry out A/D conversion after interception, and then encryption unit is encrypted to signal, then are carried out by key
Decryption, after D/A is converted, is restored to voice signal, is transmitted using voice signal transmitting, transmits into encryption unit is crossed
It to after server, is received through server signal, then error correction is carried out by channel encoding unit, be transferred to solution using spectrum-spreading unit
Unit is adjusted, then voice decryption unit is transferred to by channel decoding unit, then the number between signal is carried out by speech coder
Mode converter is reduced into digital signal, then is transferred to the network terminal by signal projector, is then transferred to and connects by the network terminal
It receives and is securely communicated on device.
Preferably, the server includes that signal receives, channel encoding unit and signal transmitting, the signal receive connection
There is channel encoding unit, the channel encoding unit is connected with signal transmitting, and the signal transmitting is wirelessly connected with spectrum-spreading unit.
Preferably, there are two the quantity of the network terminal, two network terminals are connected by wireless transmission, and two
The network terminal is wirelessly transferred with server and connects.
Preferably, there are three the quantity of the chip, the equidistant inside for being mounted on server of three chips is described
Chip is Tcp/Ip protocol chip.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of car networking terminal security communication method and device, have with
Lower beneficial effect：
1, the method and device of car networking terminal security communication, by the effect of server, so that vehicle is under steam
Speed and position be transferred in server in time by transmitter, when signal being avoided to transmit again, there is wrong the phenomenon that passing misinformation,
Using the effect of chip, increase the safety of server, prevents server in transmission, by extraneous factor, cause in transmission
Disconnected, there is deviation in the speed of the position and vehicle of causing vehicle, increases the security risk in vehicle driving, avoids vehicle mistake
Unnecessary unexpected injury is caused fastly.
2, the method and device of car networking terminal security communication, by the effect of warning light, convenient for being carried out to server
Detection, avoids server from breaking down when in use, influences the stability of server, using the effect of the network terminal, increases number
Stability when according to transmission, when preventing a network terminal damage, another network terminal is transmitted in time, avoids signal again
Occurs the phenomenon that stealpass in transmission, when preventing a network terminal from breaking down, whole system breaks down, and can not carry out signal
Transmission.
3, the method and device of car networking terminal security communication can detect vehicle by the effect of receiver in time
Position and speed, using the effect of encryption equipment, anti-stop signal cannot timely be fed back, be kept away simultaneously in transmission process
Exempt from the phenomenon that stealpass occurred by external factor, using the effect of voice decryption unit, so that encrypted during signal transmits again
Signal can be rapidly performed by decryption, when signal being avoided to transmit again, the phenomenon that information errors occur.
Detailed description of the invention
Fig. 1 is present system schematic diagram；
Fig. 2 is encryption unit system schematic；
Fig. 3 is networked terminals structure chart.
In figure：1, server；2, chip；3, it switchs；4, warning light；5, equipment is encrypted；6, converter；7, the network terminal；
8, transmitter；9, receiver.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3, a kind of method and device of car networking terminal security communication, including server 1 are please referred to, server is passed through
1 effect avoids signal again so that vehicle speed under steam and position are transferred in server 1 in time by transmitter 8
When transmission, there is wrong the phenomenon that passing misinformation, server 1 includes that signal receives, channel encoding unit and signal transmitting, signal receive
It is connected with channel encoding unit, channel encoding unit is connected with signal transmitting, and signal transmitting is wirelessly connected with spectrum-spreading unit, Che Lian
Network termination secure communication includes server 1, encryption equipment 5, the network terminal 7 and receiver 9, the internal activity installation of server 1
There is chip 2, using the effect of chip 2, increases the safety of server 1, prevent server 1 in transmission, by extraneous factor,
Leading to Transmission, there is deviation in the speed of the position and vehicle of causing vehicle, the security risk in vehicle driving is increased,
Avoid vehicle is too fast from causing unnecessary unexpected injury, there are three the quantity of chip 2, and three chips 2 are equidistant to be mounted on service
The inside of device 1, chip 2 are Tcp/Ip protocol chip, are fixedly installed with switch 3, the appearance of chip 2 on the outer surface of server 1
The warning light 4 for being located at 3 two sides of switch is fixedly mounted on face, by the effect of warning light 4, convenient for being detected to server 1,
It avoids server 1 from breaking down when in use, influences the stability of server 1, server 1 is wirelessly transferred by encryption equipment 5
There is the network terminal 7, using the effect of the network terminal 7, increases stability when data transmission, prevent a network terminal 7 from damaging
When, another network terminal 7 is transmitted in time, avoid signal transmit again in there is the phenomenon that stealpass, prevent a network end
When end 7 is broken down, whole system breaks down, and can not carry out signal transmission, and there are two the quantity of the network terminal 7, two nets
Network terminal 7 is wirelessly transferred with server 1 and is connected by wireless transmission connection, two network terminals 7, encrypts the appearance of equipment 5
It is fixedly installed with converter 6 on face, transmitter 8 is fixedly installed on the outer surface of the network terminal 7, the network terminal 7 passes through wireless
Transmission is connected with receiver 9, by the effect of receiver 9, can detect the position and speed of vehicle in time, utilizes encryption equipment 5
Effect, anti-stop signal cannot timely be fed back in transmission process, while be avoided during signal transmits again, by external
There is the phenomenon that stealpass in factor；
Networked terminals are connected with beginning, start to be connected with signal transmitting, signal transmitting is connected with speech coder, voice coder
Code device is connected with digital coding, and digital coding is connected with digital signal, and digital signal is connected with encryption unit, encryption unit be by
Primitive sound signal, A/D conversion, encryption, key, decryption, D/A conversion, restores voice signal, voice signal transmitting composition at interception,
Primitive sound signal is connected with interception, and interception is connected with A/D conversion, and A/D conversion is connected with encryption, and encryption connection has key, key
It is connected with decryption, decryption is connected with D/A conversion, and D/A conversion is connected with recovery voice signal, restores voice signal and is connected with voice
Signal transmitting, encryption unit are connected with server 1, and server 1 is connected with spectrum-spreading unit, and spectrum-spreading unit is connected with demodulating unit,
Demodulating unit is connected with channel decoding unit, and channel decoding unit is connected with voice decryption unit, and voice decryption unit is connected with
Speech coder, speech coder are connected with digital analog converter, and digital analog converter is connected with signal transmitting, and signal transmitting is connected with
Networked terminals are wirelessly transmitted on the network terminal 7 when user initiates call by transmitter 8, and then signal passes through voice coding
Device is transmitted, and then carrying out digital coding becomes digital signal, then becomes digital encryption voice signal by encryption unit, is believed
Number by interception after carry out A/D conversion, then encryption unit is encrypted to signal, then is decrypted by key, pass through
After D/A conversion, it is restored to voice signal, is transmitted using voice signal transmitting, is transferred to server 1 into encryption unit is crossed
Afterwards, it is received through 1 signal of server, then error correction is carried out by channel encoding unit, be transferred to demodulating unit using spectrum-spreading unit,
Voice decryption unit is transferred to by channel decoding unit again, then the digital analog converter between signal is carried out by speech coder
It is reduced into digital signal, then the network terminal 7 is transferred to by signal projector, is then transferred on receiver 9 by the network terminal 7
It securely communicates.
In conclusion the method and device of car networking terminal security communication, by the effect of server 1, so that vehicle
Speed and position under steam is transferred in server 1 in time by transmitter 8, when signal being avoided to transmit again, wrong pass occurs
The phenomenon that misinformation, increases the safety of server 1 using the effect of chip 2, prevents server 1 in transmission, by it is extraneous because
Element leads to Transmission, and deviation occurs in the speed of the position and vehicle of causing vehicle, and the safety increased in vehicle driving is hidden
Suffer from, avoids vehicle is too fast from causing unnecessary unexpected injury；By the effect of warning light 4, convenient for being detected to server 1,
It avoids server 1 from breaking down when in use, influences the stability of server 1, using the effect of the network terminal 7, increase data
Stability when transmission, when preventing a network terminal 7 from damaging, another network terminal 7 is transmitted in time, avoids signal again
Occurs the phenomenon that stealpass in transmission, when preventing a network terminal 7 from breaking down, whole system breaks down, and can not carry out letter
Number transmission；By the effect of receiver 9, the position and speed of vehicle can be detected in time, using the effect of encryption equipment 5, prevented
Signal cannot timely be fed back in transmission process, while avoid stealpass occurred by external factor during signal transmits again
The phenomenon that, using the effect of voice decryption unit, enables encrypted signal to be rapidly performed by decryption, signal is avoided to pass again
When defeated, there is the phenomenon that information errors；It is excessively single to solve most car networking terminal security communication function, is unable to satisfy
The diversification of trip, car networking terminal security communicate function when in use, need accurate information to prompt position and the vehicle of vehicle
Speed, avoid vehicle is too fast from causing unnecessary unexpected injury, while car networking terminal security communication function is transmitted in signal
When, need to guarantee the safety of each car networking terminal communication, loss when data being avoided to transmit, the problem of causing security risk.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of method and device of car networking terminal security communication, including server (1), it is characterised in that：The car networking
Terminal security communication includes server (1), encrypts equipment (5), the network terminal (7) and receiver (9), the server (1)
Internal activity is equipped with chip (2), is fixedly installed with switch (3) on the outer surface of the server (1), the chip (2)
The warning light (4) for being located at switch (3) two sides is fixedly mounted on outer surface, the server (1) is wireless by encryption equipment (5)
Transmission has the network terminal (7), is fixedly installed with converter (6), the network terminal on the outer surface of encryption equipment (5)
(7) it is fixedly installed on outer surface transmitter (8), the network terminal (7) is connected with receiver (9) by wireless transmission；
The networked terminals are connected with beginning, and described to start to be connected with signal transmitting, the signal transmitting is connected with voice coding
Device, institute's speech encoder are connected with digital coding, and the digital coding is connected with digital signal, and the digital signal is connected with
Encryption unit, the encryption unit are by primitive sound signal, interception, A/D conversion, encryption, key, decryption, D/A conversion, restore
Voice signal, voice signal transmitting composition, the primitive sound signal are connected with interception, and the interception is connected with A/D conversion, described
A/D conversion is connected with encryption, and the encryption connection has key, and the key is connected with decryption, and the decryption is connected with D/A and turns
It changes, the D/A conversion is connected with recovery voice signal, and the recovery voice signal is connected with voice signal transmitting, the encryption
Unit is connected with server (1), and the server (1) is connected with spectrum-spreading unit, and the spectrum-spreading unit is connected with demodulating unit, institute
It states demodulating unit and is connected with channel decoding unit, the channel decoding unit is connected with voice decryption unit, the voice decryption
Unit is connected with speech coder, and institute's speech encoder is connected with digital analog converter, and the digital analog converter is connected with signal
Transmitting, the signal transmitting are connected with networked terminals.
2. a kind of method and device of car networking terminal security communication according to claim 1, it is characterised in that：The use
It when call is initiated at family, is wirelessly transmitted on the network terminal (7) by transmitter (8), then signal is carried out by speech coder
Transmission, then carrying out digital coding becomes digital signal, then becomes digital encryption voice signal by encryption unit, and signal passes through
A/D conversion is carried out after interception, then encryption unit is encrypted to signal, then is decrypted by key, is converted by D/A
Afterwards, it is restored to voice signal, is transmitted using voice signal transmitting, into after encryption unit is transferred to server (1) excessively, warp
Server (1) signal receives, then carries out error correction by channel encoding unit, is transferred to demodulating unit using spectrum-spreading unit, then
It is transferred to voice decryption unit by channel decoding unit, then the digital analog converter between signal is carried out also by speech coder
Original is transferred to the network terminal (7) at digital signal, then by signal projector, is then transferred to receiver by the network terminal (7)
(9) it is securely communicated on.
3. a kind of method and device of car networking terminal security communication according to claim 1, it is characterised in that：The clothes
Business device (1) includes that signal receives, channel encoding unit and signal transmitting, the signal reception are connected with channel encoding unit, institute
It states channel encoding unit and is connected with signal transmitting, the signal transmitting is wirelessly connected with spectrum-spreading unit.
4. a kind of method and device of car networking terminal security communication according to claim 1, it is characterised in that：The net
There are two the quantity of network terminal (7), and two network terminals (7) pass through wireless transmission connection, two network terminals (7)
It is wirelessly transferred and connects with server (1).
5. a kind of method and device of car networking terminal security communication according to claim 1, it is characterised in that：The core
There are three the quantity of piece (2), three equidistant inside for being mounted on server (1) of chip (2), and the chip (2) is
Tcp/Ip protocol chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802581.9A CN108924794A (en) | 2018-07-20 | 2018-07-20 | A kind of method and device of car networking terminal security communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802581.9A CN108924794A (en) | 2018-07-20 | 2018-07-20 | A kind of method and device of car networking terminal security communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108924794A true CN108924794A (en) | 2018-11-30 |
Family
ID=64415443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810802581.9A Pending CN108924794A (en) | 2018-07-20 | 2018-07-20 | A kind of method and device of car networking terminal security communication |
Country Status (1)
| Country | Link |
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Application publication date: 20181130 |
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