CN108092906A - Merge vehicle-mounted 4G routings - Google Patents
Merge vehicle-mounted 4G routings Download PDFInfo
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- CN108092906A CN108092906A CN201810100156.5A CN201810100156A CN108092906A CN 108092906 A CN108092906 A CN 108092906A CN 201810100156 A CN201810100156 A CN 201810100156A CN 108092906 A CN108092906 A CN 108092906A
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- 230000009466 transformation Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 3
- 101100048435 Caenorhabditis elegans unc-18 gene Proteins 0.000 description 5
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- 238000007726 management method Methods 0.000 description 2
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- 238000003825 pressing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/60—Router architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/10—Routing in connection-oriented networks, e.g. X.25 or ATM
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention provides a kind of vehicle-mounted 4G routings of fusion, which solve the technical issues of existing vehicle-mounted 4G is route：Vehicle-mounted 4G network hotspots, the in real time positioning of the GPS/ Big Dippeves, vehicle-mounted audio-video monitoring function cannot be merged.Equipped with GPS/ Beidou positioning modules, vehicle-mounted hard disk videocorder module, 4G routing modules, antenna and WIFI antennas are additionally provided with；Vehicle-mounted hard disk videocorder module is connected by RJ45 interfaces with 4G routing modules, and GPS/ big dipper modules are connected by UART interface with vehicle-mounted hard disk videocorder module, and antenna, WIFI antennas are connected respectively with 4G routing modules.The present invention is widely used in converged communication network technical field.
Description
Technical field
The present invention relates to a kind of 4G routings, and in particular to a kind of vehicle-mounted 4G routings of fusion.
Background technology
At present, largely produced in the public transports such as bus, long-distance passenger transportation vehicle, train, steamer using satellite positioning
Product, video monitoring product and wireless routing product, the purpose is to provide safety guarantee for the operation of public transport.
First, existing vehicle-mounted product be mostly gathered with audio, video data based on, can not realize that the GPS/ Big Dippeves position, it is even more impossible to
Realize the dissipation of WIFI hot spot；And onboard wireless routing can not then carry out video data acquiring and the positioning of the GPS/ Big Dippeves；Common
Although automobile data recorder can be positioned and video acquisition, it can not realize that the long-term local of high resolution audio and video data is deposited again
Storage.
Therefore various products are installed in public transport, cause amount of wiring, the increase of wiring congestion degree, and power supply increases
It is more, the security risk in public transport is added instead；Multiple product needs to carry out network company using multiple 4G cards of surfing Internet
It connects, with the increase of 4G network bandwidths, such pattern is serious waste for resource；Maintenance personnel needs to be familiar with more simultaneously
The maintenance mode of kind product, troubleshooting difficulty is big, causes the serious waste of human and material resources, and maintenance efficiency is extremely low, is unfavorable for runing.
The content of the invention
The technical issues of present invention is for existing vehicle-mounted 4G routings：Vehicle-mounted 4G network hotspots cannot be merged, the GPS/ Big Dippeves are determined
Position, in real time vehicle-mounted audio-video monitoring function, it is impossible to which public traffic network communication products combine together centralized management；It provides a kind of
Vehicle-mounted 4G network hotspots, the in real time positioning of the GPS/ Big Dippeves, vehicle-mounted audio-video monitoring function can be merged, public traffic network is communicated and is produced
Product combine together the fusion vehicle-mounted 4G routings of centralized management.
For this purpose, the present invention be equipped with GPS/ Beidou positioning modules, be additionally provided with vehicle-mounted hard disk videocorder module, 4G routing modules,
Antenna and WIFI antennas；Vehicle-mounted hard disk videocorder module is connected by RJ45 interfaces with 4G routing modules, and GPS/ big dipper modules are led to
It crosses UART interface to be connected with vehicle-mounted hard disk videocorder module, antenna, WIFI antennas are connected respectively with 4G routing modules.
Preferably, 4G routing modules are equipped with routing module, PCIE 4G modules, network interface card voltage changing module and power amplifier module,
4G routing modules are equipped with LAN/WAN interfaces, and PCIE 4G modules are connected with SIM card module, and network interface card voltage changing module includes the first network interface card
Voltage changing module, the second network interface card voltage changing module；
Antenna is connected by PCIE 4G modules with routing module, and car video recorder module passes through the second network interface card voltage changing module
It is connected with routing module, LAN/WAN interfaces are connected by the first network interface card voltage changing module with routing module, and WIFI antennas pass through power
Amplification module is connected with routing module.
Preferably, 4G routing modules are additionally provided with LAN interface, and LAN interface passes through the first network interface card voltage changing module and routing module
Connection.
Preferably, antenna is the seven exceedingly high lines of mould the whole network.
Preferably, routing module is equipped with routing module master chip, and power amplifier module is equipped with 2.4G power amplifier chips, 2.4G work(
It puts there are two chips, is the first 2.4G power amplifier chips, the 2nd 2.4G power amplifier chips respectively；
Routing module master chip is connected to form the first WIFI passages with the first 2.4G power amplifier chips, routing module master chip with
2nd 2.4G power amplifier chips connect to form the 2nd WIFI passages.
Preferably, routing module master chip is equipped with USB_DM1 pins, USB_DN1 pins, and PCIE 4G modules are equipped with USB_
DM pins, USB_DN pins, USIM_VCC pins, USIM_DATA pins, USIM_CLK pins and USIM_RESET pins, SIM
Card module is equipped with VCC pin, VPP pins, CLK pin and RESET pins；USB_DM1 pins pass through 3rd resistor R3 and USB_
DM pins connect, and USB_DN1 pins are connected by the 4th resistance R4 with USB_DN pins；USIM_VCC pins connect with VCC pin
It connects, USIM_DATA pins are connected by the 5th resistance with VPP pins, and USIM_CLK pins pass through the 6th resistance R6 and CLK pin
Connection, USIM_RESET pins are connected by the 7th resistance R7 with RESET pins.
Preferably, the model SKY85309-11 of 2.4G power amplifier chips, the model of routing module master chip
MT7628AN。
The beneficial effects of the invention are as follows：The present invention only needs a 4G network that can realize following items function：1st, will
The local video of vehicle-mounted hard disk videocorder is uploaded to platform；2nd, vehicle real-time positioning information is uploaded into platform；3rd, 4G routing modules
4G networks are converted to the 2.4G network signals of the double 300Mbps bandwidth received of double hairs, are used for 32 WIFI clients；4th, under
Multiple RJ45 interface equipments are connect, are interacted to realize with platform；5th, later maintenance is quick and easy, time saving, laborsaving.
Description of the drawings
Fig. 1 is the connection diagram of the present invention；
Fig. 2 is routing module WIFI power amplifier structure schematic diagrames；
Fig. 3 is that routing module realizes 4G online structure diagrams；
Fig. 4 is routing module master chip and vehicle-mounted hard disk videocorder module communication schematic diagram.
Symbol description in figure：
1. vehicle-mounted hard disk videocorder module；2.GPS/ Beidou positioning modules；3.4G routing module；4. routing module；
5.PCIE 4G modules；6. the first network interface card voltage changing module；7.LAN1/WAN interfaces；8.LAN2 interfaces；9. the second network interface card becomes pressing mold
Block；10. power amplifier module；11.SIM card modules；12. antenna；13.WIFI antennas；14. routing module master chip；15. first
2.4G power amplifier chips；16. the 2nd 2.4G power amplifier chips.
Specific embodiment
The present invention is described further with reference to embodiment.
As shown in Figure 1, the present invention includes vehicle-mounted hard disk videocorder module 1, GPS/ Beidou positioning modules 2,4G routing modules
3rd, antenna 12 and WIFI antennas 13.Vehicle-mounted hard disk videocorder module 1 is equipped with UART interface, RJ45 interfaces, and 4G routing modules 3 are equipped with
RJ45 interfaces, LAN1/WAN interfaces 7 and LAN2 interfaces 8.Vehicle-mounted hard disk videocorder module 1 passes through RJ45 interfaces and 4G routing modules
The connection of RJ45 interfaces, GPS/ big dipper modules 2 are connected by UART interface with the UART interface of vehicle-mounted hard disk videocorder module 1,
Antenna 12, WIFI antennas 13 are connected respectively with 4G routing modules 3.
Vehicle-mounted hard disk videocorder module 1 is equipped with SATA interface, and external hard drive can store local video.Vehicle-mounted hard disks
Local video is sent to remote subscriber end by recorder module 1 in real time by 4G routing modules 3.
GPS/ big dipper modules 2 gather location information, and location information is passed to vehicle-mounted hard disks by UART interface and is recorded a video
Machine module 1；The processing of location information agreementization is passed through RJ45 interfaces and is sent to 4G routing moulds by vehicle-mounted hard disk videocorder module 1
Block 3；Network data is converted to 4G wireless network datas and passes to remote subscriber end by 4G routing modules 3.
4G routing modules 3 include routing module 4, PCIE 4G modules 5, network interface card voltage changing module, power amplifier module 10, net
Card voltage changing module includes the first network interface card voltage changing module 6, the second network interface card voltage changing module 9.Routing module 4 is equipped with USB interface, PCIE
4G modules 5 connect routing module 4 by USB interface.
Routing module 4 is connected by PCIE 4G modules 5 with antenna 12, passes through the first network interface card voltage changing module 6 and LAN1/WAN
Interface 7, LAN2 interfaces 8 connect, and are connected by the second network interface card voltage changing module 9 with RJ45 interfaces, by power amplifier module 10 with
WIFI antennas 13 connect.
PCIE 4G modules 5 are also associated with SIM card module 11, and antenna 12 is the seven exceedingly high lines of mould the whole network.
Routing module 4 utilizes radio-frequency technique by wireless network signal for converting electrical signals to wireless network signal
2.4GHz high frequency carriers are modulated to, complete the transmitting and reception of signal.
Web camera accesses 4G routing modules 3 by WIFI, and vehicle-mounted hard disk videocorder module 1 passes through 4G routing modules 3
Web camera is controlled using standard Onvif agreements, and the audio-video signal of web camera is passed through into 3 turns of 4G routing modules
Issue user terminal.
Mobile communications network signal is converted into multi-channel network signal by 4G routing modules 3.By LAN1/WAN interfaces 7,
LAN2 interfaces 8 or 2.4G WIFI connection LANs these three modes connect user equipment, are realized with this and utilize mobile communications network
It communicates.
As shown in Fig. 2, routing module 4 is equipped with routing module master chip 14, the model of routing module master chip 14
MT7628AN.Power amplifier module 10 is equipped with 2.4G power amplifier chips, the model SKY85309-11 of 2.4G power amplifier chips.2.4G
There are two power amplifier chips, is the first 2.4G power amplifier chips 15, the 2nd 2.4G power amplifier chips 16 respectively.Routing module master chip 14 with
The connection of first 2.4G power amplifier chips 15 forms the first WIFI passages, and routing module master chip 14 connects with the 2nd 2.4G power amplifier chips 15
It connects to form the 2nd WIFI passages.
The circuit connection of first WIFI passages is connected with the circuits of the 2nd WIFI passages, adjusting, measuring method is similar, below with the
It is described exemplified by one WIFI passages.
Routing module master chip 14 is equipped with WF1_RFIOP, WF1_RFION and WF1_LNA_EXT pin, the first 2.4G power amplifiers
Chip 15 is equipped with TX_IN, LNA_OUT pin.
Signal is respectively transmitted to the first 2.4G by WF1_RFIOP pins, the WF1_RFION pins of routing module master chip 14
The TX_IN pins of power amplifier chips 15；First 2.4G power amplifier chips 15 pass through after signal power is amplified will by the ANT pins of the chip
2.4G WIFI signals are sent；2.4G WIFI's receives LNA_OUT pin of the signal via the first 2.4G power amplifier chips 15
It sends the WF1_LNA_EXT pins of routing module master chip 14 to, thus completes the transmitting-receiving of a WIFI channel signal.Second
The transmitting-receiving of WIFI channel signals is completed by routing module master chip 14 with the 2nd 2.4G power amplifier chips 16.
By adjusting the first capacitance C1, the second capacitance C2, the 3rd capacitance C3, the 4th capacitance C4, the 5th capacitance C5, the 6th electricity
Hold C6, the 7th capacitance C7, the 8th capacitance C8, the 9th capacitance C9, the tenth capacitance C10, the 11st capacitance C11, the 12nd capacitance C12
With the first inductance L1, the second inductance L2, the 3rd inductance L3, the 4th inductance L4, the 5th inductance L5, the 6th inductance L6, the 7th inductance
L7, the 8th inductance L8, the value of the 9th inductance L9 make the onboard performance of the first WIFI passages reach optimal.Foundation actual conditions,
Appropriate increaseds or decreases the 9th capacitance C9, the value of two capacitances of the tenth capacitance C10, and adjusting range is 0.5pF~2pF, can be improved
The EVM values of WIFI signal enhance WIFI signal quality；Appropriate increaseds or decreases the 6th capacitance C6, two electricity of the 7th capacitance C7
The value of appearance, adjusting range are 0.5pF~10pF, can enhance the transmission power of WIFI signal.Routing module master chip MT7628AN
WIFI driving voltage for 3.3V, can enhance WIFI signal according to actual conditions by adjusting the filter capacitor of the voltage
EVM values, that is, enhance signal quality, and on the premise of equal transmission power, EVM values are better, and routing function is stronger.
The driving voltage of SKY85309-11 is 5V.Chipset PA, LNA, receiving and transmitting signal automatic switchover are integrated.Significantly
Improve the transmission power and receiving sensitivity of WIFI signal.In the environment of having signal interference and a degree of signal reflex,
200 meters of the router actual test of the program can see video.The achievable WIFI hot spot function of the present invention, such as the present invention is pacified
On bus, the passenger of this bus of seating can be made to connect WIFI online, effectively solving passenger needs to exempt from the road
The problem of taking network.
As shown in figure 3, routing module master chip 14 is equipped with USB_DM1 pins, USB_DN1 pins, PCIE 4G modules 5 are set
There are USB_DM pins, USB_DN pins, USIM_VC C pins, USIM_DATA pins, USIM_CLK pins and USIM_RESET
Pin, SI M card modules 11 are equipped with VCC pin, VPP pins, CLK pin and RESET pins.US B_DM1 pins pass through the 3rd
Resistance R3 is connected with USB_DM pins, USB_DN1 pins are connected by the 4th resistance R4 with USB_DN pins, realizes 4G online work(
Energy；USIM_VCC pins are connected with VCC pin, play the role of powering to SIM card.USIM_DATA pins pass through the 5th resistance
R5 is connected with VPP pins, is carried out data transmission.USIM_CLK pins pass through the 6th resistance R6 and the CLK pin of SIM card module 11
Connection wakes up SIM card into row clock.USIM_RESET pins are connected by the 7th resistance R7 with RESET pins, for S
IM cards reset.
3rd resistor R3, the 4th resistance R4 play impedance matching, are typically chosen 0 Ω (according to plate-making and the reality of fabric swatch
Depending on situation)；5th resistance R5, the 6th resistance R6, the 7th resistance R7 play a part of to protect circuit, prevent electricity caused by maloperation
It flows through big and burns out SIM card module 11, PCIE 4G modules 5, be typically chosen 22 Ω resistance.
By 4G SIM cards insertion SIM card module 11,4G network signals access PCIE 4G modules 5 by antenna 12
The MAIN antenna ends of U8300C；Signal is sent into routing module master chip 14 by U8300C by a pair of of USB differential lines, is so completed
4G function of surfing the Net.
Draw as shown in figure 4, routing module master chip 14 is equipped with MDI_TN_P2 pins, MDI_TP_P2 pins, MDI_RN_P2
Foot, MDI_RP_P2 pins；Second network interface card voltage changing module 9 is equipped with TD+ pins, TD- pins, RD+ pins, RD- pins, TX+ and draws
Foot, TX- pins, RX+ pins, RX- pins, CTX pins and CRX pins；Vehicle-mounted hard disk videocorder module 1 be equipped with RX1+ pins,
RX1- pins, TX1+ pins and TX1- pins.MDI_TN_P2, MDI_TP_P2 of routing module master chip 14, MDI_RN_P2,
TD+, TD-, RD+, RD- pin of the MDI_RP_P2 pins respectively with the second network interface card voltage changing module 9 is connected；Second network interface card becomes pressing mold
TX+, TX-, RX+, RX- pin of block 9 connect respectively with RD1+, RD1-, TX1+, TX1- pin of vehicle-mounted hard disk videocorder module 1
It connects.CTX pins are grounded after being connected successively with the 8th resistance R8, the 15th capacitance C15, CRX pins successively with the 9th resistance R9,
It is grounded after 15 capacitance C15 connections.
8th resistance R8, the 9th resistance R9 do impedance matching use, general to select 75 Ω resistance；15th capacitance C15 is
Antistatic, the surge capacitance of 1NF/2KV/1206 encapsulation.
Second network interface card voltage changing module of the driving of routing module master chip 14 9 and the 100-M network Ethernet of vehicle-mounted hard disk videocorder module 1
It is connected, is realized by way of cable network and local hard drive video recorder content is transmitted to routing module master chip 14, Zai You roads
Platform is uploaded to by the 4G networks of device, so as to which local information is uploaded to remote platform, and then realizes that platform can monitor this in real time
The function of ground audio and video；Vehicle-mounted hard disk videocorder module 1 is per se with GPS Beidou positioning modules, therefore remote platform can be to peace
The vehicle for filling the product carries out real time GPS Big Dipper positioning.
The present invention, which can be mounted on vehicle drivers position bottom space or other suitable installation sites, antenna, need to be positioned over vehicle
At front windshield, cabling is set up with flexible metal conduit, and exposed parts are no more than 20CM；Cable lashes beam using line, every
40CM is bundled once；Power cord and video line keep the distance of more than 10CM in order to avoid signal interference.Power supply is derived from vehicle interior confession
Electric system, ground wire must connect the cathode of storage battery, and anode terminates fuse close to storage battery.
It is interacted by 4G networks and user service platform, it is multiple to extend the connection of PCIE interfaces by 4G routing modules 3
PCIE 4G modules 5 realize data distribution.By the user equipment of LAN1/WAN interfaces 7, LAN2 interfaces 8 and WIFI access to LAN
Network data, vehicle-mounted hard disk videocorder module 1 use standard Onvif protocol integrated test system web cameras by 4G routing modules 3
Audio, video data and vehicle-mounted hard disk videocorder module 1 are by treated the location data shunting interaction of location information agreementization, mutually
It does not influence, forms independent network link.
Only Yi Shang person is only specific embodiments of the present invention, when the scope implemented of the present invention cannot be limited with this, therefore
The displacement of its equivalent assemblies or the equivalent variations made according to scope of patent protection of the present invention and modification, all should still belong to power of the present invention
The scope that sharp claim is covered.
Claims (7)
1. a kind of vehicle-mounted 4G routings of fusion, equipped with GPS/ Beidou positioning modules, it is characterized in that, it is additionally provided with vehicle-mounted hard disk videocorder mould
Block, 4G routing modules, antenna and WIFI antennas；The vehicle-mounted hard disk videocorder module route mould by RJ45 interfaces and the 4G
Block connects, and the GPS/ big dipper modules are connected by UART interface with the vehicle-mounted hard disk videocorder module, the antenna, WIFI
Antenna is connected respectively with the 4G routing modules.
2. the vehicle-mounted 4G routings of fusion according to claim 1, which is characterized in that the 4G routing modules are equipped with routing mould
Block, PCIE 4G modules, network interface card voltage changing module and power amplifier module, the 4G routing modules are equipped with LAN/WAN interfaces, described
PCIE 4G modules are connected with SIM card module, and the network interface card voltage changing module includes the first network interface card voltage changing module, the second network interface card transformation
Module；
The antenna is connected by the PCIE 4G modules with the routing module, and the car video recorder module passes through described
Second network interface card voltage changing module is connected with the routing module, the LAN/WAN interfaces by the first network interface card voltage changing module with
The routing module connection, the WIFI antennas are connected by the power amplifier module with the routing module.
3. the vehicle-mounted 4G routings of fusion according to claim 2, which is characterized in that the 4G routing modules are additionally provided with LAN and connect
Mouthful, the LAN interface is connected by the first network interface card voltage changing module with the routing module.
4. the vehicle-mounted 4G routings of fusion according to claim 1 or 3, which is characterized in that the antenna is exceedingly high for seven mould the whole networks
Line.
5. the vehicle-mounted 4G routings of fusion according to claim 4, which is characterized in that the routing module is equipped with routing module master
Chip, the power amplifier module are equipped with 2.4G power amplifier chips, and there are two the 2.4G power amplifier chips, is the first 2.4G work(respectively
Put chip, the 2nd 2.4G power amplifier chips；
The routing module master chip is connected to form the first WIFI passages with the first 2.4G power amplifier chips, the routing module
Master chip is connected to form the 2nd WIFI passages with the 2nd 2.4G power amplifier chips.
6. the vehicle-mounted 4G routings of fusion according to claim 5, which is characterized in that the routing module master chip is equipped with USB_
DM1 pins, USB_DN1 pins, the PCIE 4G modules be equipped with USB_DM pins, USB_DN pins, USIM_VCC pins,
USIM_DATA pins, USIM_CLK pins and USIM_RESET pins, the SIM card module be equipped with VCC pin, VPP pins,
CLK pin and RESET pins；The USB_DM1 pins are connected by 3rd resistor R3 with the USB_DM pins, the USB_
DN1 pins are connected by the 4th resistance R4 with the USB_DN pins；The USIM_VCC pins are connected with the VCC pin,
The USIM_DATA pins are connected by the 5th resistance with the VPP pins, and the USIM_CLK pins pass through the 6th resistance R6
It is connected with the CLK pin, the USIM_RESET pins are connected by the 7th resistance R7 with the RESET pins.
7. the vehicle-mounted 4G routings of fusion according to claim 6, which is characterized in that the model of the 2.4G power amplifier chips
SKY85309-11, the model MT7628AN of the routing module master chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100156.5A CN108092906A (en) | 2018-02-01 | 2018-02-01 | Merge vehicle-mounted 4G routings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100156.5A CN108092906A (en) | 2018-02-01 | 2018-02-01 | Merge vehicle-mounted 4G routings |
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| CN108092906A true CN108092906A (en) | 2018-05-29 |
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| CN201810100156.5A Pending CN108092906A (en) | 2018-02-01 | 2018-02-01 | Merge vehicle-mounted 4G routings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970904A (en) * | 2021-10-19 | 2022-01-25 | 北京北电科林电子有限公司 | Vehicle-mounted gateway equipment suitable for special vehicle |
| CN117395192A (en) * | 2023-12-12 | 2024-01-12 | 深圳市芯盛智能信息有限公司 | Vehicle-mounted WIFI routing system based on Beidou navigation |
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