CN109361419A - Satellite communication vehicle module control unit, vehicle module and vehicle-mounted type system terminal - Google Patents
Satellite communication vehicle module control unit, vehicle module and vehicle-mounted type system terminal Download PDFInfo
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- CN109361419A CN109361419A CN201811307380.8A CN201811307380A CN109361419A CN 109361419 A CN109361419 A CN 109361419A CN 201811307380 A CN201811307380 A CN 201811307380A CN 109361419 A CN109361419 A CN 109361419A
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- transmission
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Small-Scale Networks (AREA)
Abstract
The present invention discloses satellite communication vehicle module control unit, comprising: the first hardware interface group: connecting on board unit, for realizing the information exchange between described control unit and on board unit；Second hardware interface group: connecting with on-vehicle host, for realizing the information exchange between described control unit and on-vehicle host；Software interface group: while being connect with first hardware interface group and the second hardware interface group, for realizing the information exchange between the first hardware interface group and the second hardware interface group, wherein the software interface group realizes protocol data transmission using ppp protocol.The present invention passes through in described control unit, by the way that the first hardware interface group connecting on board unit in vehicle module and the second hardware interface group connecting with on-vehicle host is arranged, the data and protocol conversion between the first hardware interface group and the second hardware interface group are realized by setting software interface simultaneously, so as to improve the communication issue between vehicle module and on-vehicle host well.
Description
Technical field
The present invention relates to the communications fields, and in particular to a kind of satellite communication vehicle module control unit, vehicle module and vehicle
Load type system terminal.
Background technique
Current satellite communication system is mainly made of space segment, ground segment and system terminal, and system terminal is main
Form are as follows: handheld, pocket, data acquisition type and vehicle-mounted type, vehicle module, can as the nucleus module in vehicle type terminal
To support the functions such as voice, data, short message service and positioning.
Since on-vehicle host is mainly based on USB interface and network interface, existing vehicle module due to hardware interface with it is vehicle-mounted
Host is incompatible, having differences property of software protocol, and vehicle module is caused not led to on-vehicle host or mobile unit directly
Letter.
Summary of the invention
In view of this, the application provides a kind of satellite communication vehicle module control unit and vehicle module, by vehicle-mounted
Control unit is added in module to realize the information exchange between on board unit and on-vehicle host, specifically, in the control list
It is hard by the way that the first hardware interface group connecting on board unit in vehicle module and second connect with on-vehicle host is arranged in member
Part interface group, at the same realized by setting software interface data between the first hardware interface group and the second hardware interface group and
Protocol conversion, so as to improve the communication issue between vehicle module and on-vehicle host well.It is asked to solve the above technology
Topic, technical solution provided by the invention are as follows:
Satellite communication vehicle module control unit, including microprocessor further include connecting simultaneously with microprocessor:
First hardware interface group: connecting on board unit, for realizing the letter between described control unit and on board unit
Breath interaction；
Second hardware interface group: connecting with on-vehicle host, for realizing the letter between described control unit and on-vehicle host
Breath interaction；
Software interface group: while being connect with first hardware interface group and the second hardware interface group, for realizing first
Information exchange between hardware interface group and the second hardware interface group, wherein the software interface group realizes association using ppp protocol
Discuss data transmission.
Further, first hardware interface group includes:
First serial: AT order and protocol data are used for transmission；
Second serial: it is used for transmission satellite location data；
First USB interface: the log information and/or upgrade information of on board unit are used for transmission；
Pcm interface: it is used for transmission voice data；
GPI0 interface: switching on and shutting down, wake-up and reset are carried out for realizing described control unit control on board unit.
Further, second hardware interface group includes network interface and secondary USB interface.
Further, the software interface group includes time-sharing multiplex protocol interface, network-driven layer interface and network protocol
Layer interface, further includes:
Protocol data virtual serial port: while being connect with the time-sharing multiplex protocol interface and the network-driven layer interface,
For passing through ppp protocol transmission protocol data；
AT order virtual serial port: while being connect with first port and the time-sharing multiplex protocol interface, it is used for transmission AT life
It enables；
First port: while being connect with AT order virtual serial port and the network protocol layer interface, for passing through AT order
Realize the network status data and SMS message transmission between on board unit and on-vehicle host；
Second port: while being connect with first port, the pcm interface and the network protocol layer interface, it is used for transmission
Voice data；
Third port: while being connect with first USB interface and the network protocol layer interface, it is used for transmission vehicle-mounted list
First log information and on board unit upgrade information；
4th port: while being connect with the GPI0 interface and the network protocol layer interface；
Fifth port: while being connect with the second serial with the network protocol layer interface, it is used for transmission satellite positioning
Data.
The present invention also provides a kind of vehicle modules, including the on board unit connected by RF cable and radio frequency unit, also
The control unit connecting with the on board unit is wrapped, described control unit is control list described in claim 1-5 any one
Member.
Further, the on board unit includes:
First serial: connecting with the first serial of described control unit, is used for transmission AT order and protocol data；
Second serial: it is connect with the second serial of described control unit, is used for transmission satellite location data；
First USB interface: connecting with the first USB interface of described control unit, is used for transmission the log letter of on board unit
Breath and/or upgrade information；
Pcm interface: it is connect with the pcm interface of described control unit, is used for transmission voice data；
GPI0 interface: connecting with the GPI0 interface of described control unit, controls vehicle-mounted list for realizing described control unit
Member carries out switching on and shutting down, wake-up and reset.
It further, further include the time-sharing multiplex protocol interface being connect with the first serial in the vehicle module, it is described
Time-sharing multiplex protocol interface in vehicle module is also connected with AT order virtual serial port and data virtual serial port simultaneously, wherein institute
The data virtual serial ports stated in vehicle module passed through ppp protocol transmission protocol data.
The present invention also provides a kind of vehicle-mounted type system terminals, including on-vehicle host, further include the vehicle connecting with on-vehicle host
Carry module, wherein the vehicle module is vehicle module described in claim 5-7 any one.
Further, the on-vehicle host includes microprocessor, further include the first port being connect simultaneously with microprocessor,
Second port, third port, third port and fifth port, the first port, second port, third port, the 4th port
Also be connected with network protocol layer interface simultaneously with fifth port, the network protocol layer interface be also connected with simultaneously network interface and
Secondary USB interface, wherein network interface and secondary USB interface in on-vehicle host respectively with the network interface of control unit and
Secondary USB interface connection.
The present invention is by realizing the information between on board unit and on-vehicle host control unit is added in vehicle module
Interaction, specifically, in described control unit, by the way that the first hardware interface group connecting on board unit in vehicle module is arranged
The second hardware interface group being connect with on-vehicle host, while the first hardware interface group and the is realized by setting software interface
Data and protocol conversion between two hardware interface groups, it is logical between vehicle module and on-vehicle host so as to improve well
Letter problem.
Detailed description of the invention
Fig. 1 is a kind of vehicle module structural schematic diagram including control unit that embodiment provides.
Fig. 2 is a kind of structural schematic diagram for vehicle-mounted type system terminal that embodiment provides.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of satellite communication vehicle module control unit, including microprocessor, also wrap
It includes while connecting with microprocessor:
First hardware interface group: connecting on board unit, for realizing the letter between described control unit and on board unit
Breath interaction；
Second hardware interface group: connecting with on-vehicle host, for realizing the letter between described control unit and on-vehicle host
Breath interaction；
Software interface group: while being connect with first hardware interface group and the second hardware interface group, for realizing first
Information exchange between hardware interface group and the second hardware interface group, wherein the software interface group realizes association using ppp protocol
Discuss data transmission.
What needs to be explained here is that control unit provided in this embodiment is mainly used in vehicle module, control unit is logical
The first hardware interface group of setting is crossed, information exchange can be realized between on board unit, it, can by the way that the second hardware interface group is arranged
To realize information exchange between on-vehicle host, and the first hardware interface group (on board unit end) and the second hardware interface group (vehicle
Carry host side) between information exchange realized by software interface group, the software interface group of the present embodiment be using ppp protocol reality
Existing protocol data transmission, since ppp protocol both supports synchronization link to connect, also support async link connection, while ppp protocol
Multiple network layer protocol can also be cooperated to work, therefore, even if on board unit and hardware interface used in on-vehicle host or soft
Part agreement is different, as long as used software protocol can be with ppp protocol cooperating, so that it may provide through this embodiment
Control unit realize that hardware interface between on board unit (or vehicle module) and on-vehicle host and software protocol are compatible, it is applicable
Property is wide.
Preferably, first hardware interface group includes:
First serial: AT order and protocol data are used for transmission；
Second serial: it is used for transmission satellite location data；
First USB interface: the log information and/or upgrade information of on board unit are used for transmission；
Pcm interface: it is used for transmission voice data；
GPI0 interface: switching on and shutting down, wake-up and reset are carried out for realizing described control unit control on board unit.
Preferably, second hardware interface group includes network interface and secondary USB interface.
What needs to be explained here is that since the interface of on-vehicle host is mostly based on network interface and USB interface, and vehicle-mounted list
The interface of member generally includes serial ports, USB interface (can be different from the effect of the USB interface of on-vehicle host), audio interface and several
GPI0 interface etc., therefore be that can not carry out immediate data friendship in general, between existing vehicle module and on-vehicle host
Mutual, on board unit provided in this embodiment can smoothly realize the conversion between distinct interface, realize that hardware interface is compatible.
Preferably, the software interface group includes time-sharing multiplex protocol interface, network-driven layer interface and network protocol layer
Interface, further includes:
Protocol data virtual serial port: while being connect with the time-sharing multiplex protocol interface and the network-driven layer interface,
For passing through ppp protocol transmission protocol data；
AT order virtual serial port: while being connect with first port and the time-sharing multiplex protocol interface, it is used for transmission AT life
It enables；
First port: while being connect with AT order virtual serial port and the network protocol layer interface, for passing through AT order
Realize the network status data and SMS message transmission between on board unit and on-vehicle host；
Second port: while being connect with first port, the pcm interface and the network protocol layer interface, it is used for transmission
Voice data；
Third port: while being connect with first USB interface and the network protocol layer interface, it is used for transmission vehicle-mounted list
First log information and on board unit upgrade information；
4th port: while being connect with the GPI0 interface and the network protocol layer interface；
Fifth port: while being connect with the second serial with the network protocol layer interface, it is used for transmission satellite positioning
Data.
What needs to be explained here is that the time-sharing multiplex protocol interface in the present embodiment can be multiple using GSM0710 degree serial ports
With agreement time-sharing multiplex, it is mainly used for realizing through the different periods of same physical connection and transmits AT order and protocol data,
Achieve the purpose that using a line transmission multichannel data, when it is implemented, vehicle module and vehicle-mounted master where the present embodiment
It is communicated between machine by the socket agreement customized.
In detail, AT order transparent transmission, network state number between on-vehicle host and on board unit may be implemented in first port
According to obtain, the functions such as voice control (answer the call, make a phone call, hang up) and SMS message transmission, wherein network status data acquisition
With function of receiving and sending short message separately through first port it is achieved that voice control need by with second port cooperate realize,
It is realized when it is implemented, network status data obtains function by AT order, control unit handle is obtained from AT order virtual serial port
To network status data be transparent to first port, route obtains network status data where on-vehicle host passes through first port；
SMS message transmission function realizes that the note data got from AT order virtual serial port is transparent to the by control unit by AT order
Single port, on-vehicle host obtain note data by route where first port, meanwhile, on-vehicle host can pass through first port
Place route sends an SMS to first port, and the note data that control unit again receives first port passes through vehicle-mounted list
Member, then there is on board unit to be uploaded to network side.
In detail, after on-vehicle host initiates voice data control flow by first port, control unit passes through second
Port carries out parsing and transparent transmission to voice data, and specifically, second port carries out after receiving voice data first, in accordance with agreement
Parsing, data by pcm interface are sent on board unit after being parsed, meanwhile, second port can receive on board unit and lead to
The voice data of pcm interface transmission is crossed, and according to being sent to on-vehicle host after protocol encapsulation.
In detail, third port is mainly used for adjusting the speed on board unit, realizes that on-vehicle host receives the log of former module output
Information, while being also used to realize that on board unit receives the on board unit upgrade information that on-vehicle host issues, in addition, third port
Data transmission can use transparent transmission mode.
In detail, the 4th port be mainly used for control unit by the booting of GPI0 Interface Controller on board unit, shutdown, answer
The functions such as position, suspend mode and wake-up, specifically, control unit are first after the data for receiving on-vehicle host transmission by the 4th port
It is parsed according to custom protocol, then on board unit is accordingly controlled according to parsing result, meanwhile, GPI0 state can also
To be sent to on-vehicle host by the 4th port, on-vehicle host can also obtain GPI0 state by route where the 4th port.
In detail, fifth port is mainly used for realizing that the satellite location data between on board unit and on-vehicle host transmits,
Specifically, on board unit sends satellite location data to on-vehicle host by route where fifth port, and on-vehicle host can also be with
Satellite location data is actively obtained by route where fifth port.
In detail, protocol data virtual serial port is mainly used for realizing that protocol data function specifically passes through in on-vehicle host
After first port opens protocol data function, it is continuous that control unit establishes PPP on board unit first, fictionalizes PPP network and sets
It is standby, the PPP network equipment, Ethernet equipment and USB network equipment are bridged by network driver layer again later, realize on-vehicle host
Access on board unit Satellite communications data network.
Embodiment 2
As shown in Figure 1, including the on board unit connected by RF cable and being penetrated the present embodiment provides a kind of vehicle module
Frequency unit, also wraps the control unit connecting with the on board unit, and described control unit is the control unit that embodiment 1 provides.
When the present embodiment is embodied, RF cable includes radio-frequency transmissions cable and radio frequency reception cable, radio frequency unit pair
The SMA interface of outer offer standard, radio frequency unit are internally integrated Power Line Carrier Communication Module, while carrying out data communication pair
External antenna power supply, in addition, realizing that the input of on board unit single channel, single channel are output to outside one by duplexer inside radio frequency unit
The conversion of road input/output signal, thus simplify external radio frequency interface, compatible more antennas.Vehicle module provided in this embodiment
Can use mains-supplied, AC/DC converter built in vehicle module, and according to the power supply requirement of module each inside vehicle module into
Row power supply.
Preferably, the on board unit includes:
First serial: connecting with the first serial of described control unit, is used for transmission AT order and protocol data；
Second serial: it is connect with the second serial of described control unit, is used for transmission satellite location data；
First USB interface: connecting with the first USB interface of described control unit, is used for transmission the log letter of on board unit
Breath and/or upgrade information；
Pcm interface: it is connect with the pcm interface of described control unit, is used for transmission voice data；
GPI0 interface: connecting with the GPI0 interface of described control unit, controls vehicle-mounted list for realizing described control unit
Member carries out switching on and shutting down, wake-up and reset.
It preferably, further include the time-sharing multiplex protocol interface being connect with the first serial in the vehicle module, the vehicle
It carries the time-sharing multiplex protocol interface in module and is also connected with AT order virtual serial port and data virtual serial port simultaneously, wherein is described
Data virtual serial ports in vehicle module passed through ppp protocol transmission protocol data.
Embodiment 3
As shown in Fig. 2, the present embodiment provides a kind of vehicle-mounted type system terminal, including on-vehicle host, further include and vehicle-mounted master
The vehicle module of machine connection, wherein the vehicle module is the vehicle module that embodiment 2 provides.
Preferably, the on-vehicle host includes microprocessor, further includes the first port connecting simultaneously with microprocessor,
Two-port netwerk, third port, third port and fifth port, the first port, second port, third port, the 4th port and
Fifth port is also connected with network protocol layer interface simultaneously, and the network protocol layer interface is also connected with network interface and the simultaneously
Two USB interfaces, wherein network interface and secondary USB interface in on-vehicle host respectively with the network interface of control unit and
The connection of two USB interfaces.
What needs to be explained here is that vehicle module and embodiment 3 that control unit, embodiment 2 that embodiment 1 provides provide
In the vehicle-mounted type system terminal of offer, control unit, on board unit and the interface being related to as title in on-vehicle host, such as
The first port in first port and on-vehicle host in control unit, here, the first port in control unit are that control is single
In member, the first port in on-vehicle host is in on-vehicle host, and title is identical, and only representing can when carrying out information exchange
To be in same signal line, not representing the first port in control unit and on-vehicle host is to share the same first end
Mouthful, the identical interface of other titles or port etc. are also similar, no longer illustrate one by one.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (9)
1. satellite communication vehicle module control unit, including microprocessor, which is characterized in that further include connecting simultaneously with microprocessor
It connects:
First hardware interface group: connecting on board unit, hands over for realizing the information between described control unit and on board unit
Mutually；
Second hardware interface group: connecting with on-vehicle host, hands over for realizing the information between described control unit and on-vehicle host
Mutually；
Software interface group: while being connect with first hardware interface group and the second hardware interface group, for realizing the first hardware
Information exchange between interface group and the second hardware interface group, wherein the software interface group realizes agreement number using ppp protocol
According to transmission.
2. satellite communication vehicle module control unit according to claim 1, which is characterized in that first hardware interface
Group includes:
First serial: AT order and protocol data are used for transmission；
Second serial: it is used for transmission satellite location data；
First USB interface: the log information and/or upgrade information of on board unit are used for transmission；
Pcm interface: it is used for transmission voice data；
GPI0 interface: switching on and shutting down, wake-up and reset are carried out for realizing described control unit control on board unit.
3. satellite communication vehicle module control unit according to claim 2, which is characterized in that second hardware interface
Group includes network interface and secondary USB interface.
4. satellite communication vehicle module control unit according to claim 3, which is characterized in that the software interface group packet
Include time-sharing multiplex protocol interface, network-driven layer interface and network protocol layer interface, further includes:
Protocol data virtual serial port: while being connect with the time-sharing multiplex protocol interface and the network-driven layer interface, it is used for
Pass through ppp protocol transmission protocol data；
AT order virtual serial port: while being connect with first port and the time-sharing multiplex protocol interface, it is used for transmission AT order；
First port: while being connect with AT order virtual serial port and the network protocol layer interface, for being realized by AT order
Network status data and SMS message transmission between on board unit and on-vehicle host；
Second port: while being connect with first port, the pcm interface and the network protocol layer interface, it is used for transmission voice
Data；
Third port: while being connect with first USB interface and the network protocol layer interface, it is used for transmission on board unit day
Will information and on board unit upgrade information；
4th port: while being connect with the GPI0 interface and the network protocol layer interface；
Fifth port: while being connect with the second serial with the network protocol layer interface, it is used for transmission satellite location data.
5. vehicle module, which is characterized in that including the on board unit connected by RF cable and radio frequency unit, also packet with it is described
The control unit of on board unit connection, described control unit are control unit described in claim 1-4 any one.
6. vehicle module according to claim 5, which is characterized in that the on board unit includes:
First serial: connecting with the first serial of described control unit, is used for transmission AT order and protocol data；
Second serial: it is connect with the second serial of described control unit, is used for transmission satellite location data；
First USB interface: connecting with the first USB interface of described control unit, be used for transmission on board unit log information and/
Or upgrade information；
Pcm interface: it is connect with the pcm interface of described control unit, is used for transmission voice data；
GPI0 interface: connecting with the GPI0 interface of described control unit, for realizing described control unit control on board unit into
Row switching on and shutting down, wake-up and reset.
7. vehicle module according to claim 6, which is characterized in that further include connecting with the first serial in the vehicle module
The time-sharing multiplex protocol interface connect, the time-sharing multiplex protocol interface in the vehicle module are also connected with the virtual string of AT order simultaneously
Mouth and data virtual serial port, wherein the data virtual serial ports in the vehicle module passed through ppp protocol transmission protocol data.
8. vehicle-mounted type system terminal, including on-vehicle host, which is characterized in that it further include the vehicle module being connect with on-vehicle host,
Wherein, the vehicle module is vehicle module described in claim 5-7 any one.
9. vehicle-mounted type system terminal according to claim 8, which is characterized in that the on-vehicle host includes microprocessor,
It further include the first port being connect simultaneously with microprocessor, second port, third port, the 4th port and fifth port, it is described
First port, second port, third port, third port and fifth port are also connected with network protocol layer interface simultaneously, described
Network protocol layer interface is also connected with network interface and secondary USB interface simultaneously, wherein network interface in on-vehicle host and the
Two USB interfaces are connect with the network interface of control unit and secondary USB interface respectively.
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| WO2024000214A1 (en) * | 2022-06-29 | 2024-01-04 | 华为技术有限公司 | Communication method in vehicle and related apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112379660A (en) * | 2020-11-13 | 2021-02-19 | 英博超算(南京)科技有限公司 | UART for automobile automatic driving domain controller and debugging system and method |
| WO2024000214A1 (en) * | 2022-06-29 | 2024-01-04 | 华为技术有限公司 | Communication method in vehicle and related apparatus |
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| CN109361419B (en) | 2020-07-10 |
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