CN103546353B - Support the vehicle-mounted networking advertisement machine of dual-network and dual-standby 4G LTE wireless routing - Google Patents
Support the vehicle-mounted networking advertisement machine of dual-network and dual-standby 4G LTE wireless routing Download PDFInfo
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Abstract
The invention provides a kind of vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing, including: ARM tetra-core processor and MIPS processor, it is attached by UART interface and USB interface between described ARM tetra-core processor and MIPS processor；Described ARM tetra-core processor is connected to double WiFi module of the double receipts of double frequency, TDD LTE4G/3G double-standard communication module, power supervisor, power amplifier, LCD display, 2GB DDR3 internal memory and NANd flash storage, described TDD LTE double-standard communication module connects a U SIM card slot, and described LCD display connects bias backlight circuit；Described MIPS processor is connected to the first single-frequency 2.4GHz transmitting-receiving WiFi module, the second single-frequency 5GHz transmitting-receiving WiFi module and usb hub, described usb hub is connected with FDD LTE4G/3G double-standard communication module, described FDD LTE double-standard communication module connects the 2nd U SIM card slot, can be while supporting In-vehicle networking advertisement, in supporting car, user WiFi handheld device is got online without being tethered to a cable simultaneously.
Description
Technical field
The present invention relates to a kind of vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing.
Background technology
Along with the high speed development of 3G/4G network, the vehicular wireless network advertisement machine net of built-in 3G communication module
Network advertisement machine is also given birth to because of fortune, and its advantage is, utilizes built-in 3G communication module, WiFi module structure
Become automobile mobile Internet access, through wireless network, can releasing advertisements in good time, carry out the transmission of content of multimedia
Playing, and support wireless routing function, in facilitating car, user is surfed the Net by its Wi-Fi hotspot.
But, the highest downloading rate of 3G network the highest downloading rate as a example by DC-HSPA+ is DL 42
Mbps, once has more than 20 users download online watching video, In-vehicle networking advertisement machine self simultaneously in car
Online release video ads will receive impact, and speed declines, and causes picture pause, delay etc..Once
It is placed on public transport or tourist bus, then there will be unbearably load and use, cause video quality to decline,
The embarrassment that even part user cannot be surfed the Net, this will hinder the development of vehicular wireless network advertisement machine.And transport
After battalion business imports 4G LTE radio network technique, then can stimulate the development that vehicular wireless network advertisement machine is new,
LTE is the Second Revolution after 3G, and LTE have employed more innovative technique compared with 3.5G with 3.75G,
Such as OFDM Yu MIMO etc. so that the upstream and downstream rate of network is close to 100Mbps, especially at frequency
Being greatly improved in spectrum utilization ratio, this, compared with 3G and upgrade technique thereof, has had and has significantly promoted,
LTE is famous with features such as high power capacity, two-forty, low time delay, it is possible to create new service and business model,
Its real significance is to provide a brand-new network platform to industry, can support more application.
Therefore, a kind of vehicular wireless network advertisement machine importing 4G LTE network technology is needed at present badly, it is possible to
Allow 50-64 users to surf the Net in public transport or tourist bus simultaneously.
Summary of the invention
It is an object of the invention to provide and a kind of support that the vehicle-mounted networking of dual-network and dual-standby 4G LTE wireless routing is wide
Announcement machine, it is possible to while supporting In-vehicle networking advertisement, in supporting car, user WiFi handheld device is simultaneously
Get online without being tethered to a cable.
For solving the problems referred to above, the present invention provides a kind of and supports the vehicle-mounted of dual-network and dual-standby 4G LTE wireless routing
Networking advertisement machine, including:
ARM tetra-core processor and the microprocessor without inner interlocked pipelining-stage, wherein, described ARM tetra-core
Processor and without between the microprocessor of inner interlocked pipelining-stage by universal asynchronous receiving-transmitting transmitter interface and
USB interface is attached；
Described ARM tetra-core processor is connected to the double receipts of double frequency double WiFi module, TDD-LTE 4G/3G
Double-standard communication module, power supervisor, power amplifier, LCD display, 2GB DDR3 internal memory and
NAND-Flash memorizer, wherein, described TDD-LTE double-standard communication module connects a U-SIM
Card slot, described LCD display connects bias backlight circuit；
The microprocessor of described pipelining-stage without inner interlocked is connected to the first single-frequency 2.4GHZ transmitting-receiving WiFi
Module, the second single-frequency 5GHZ transmitting-receiving WiFi module and usb hub, described usb hub with
FDD-LTE 4G/3G double-standard communication module connects, and described FDD-LTE double-standard communication module connects the
Two U-SIM card slots.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
The EMAC interface of described ARM tetra-core processor is by an ethernet PHY circuit module and without inner interlocked
The Ethernet switch of the microprocessor of pipelining-stage connects, and described Ethernet switch is connected with LAN interface, described
LAN interface is connected with photographic head.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
Described usb hub is also connected with 4G LTE card of surfing Internet, 3G card of surfing Internet or USB flash disk.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
Described ARM tetra-core processor is also associated with SD card slot.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
Described ARM tetra-core processor is also associated with gravity sensor.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
Described ARM tetra-core processor is also associated with GPS locating module.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
Described ARM tetra-core processor is ARM Cortex A7+GPU processor.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
The microprocessor of described pipelining-stage without inner interlocked is AR9344 MIPS dominant frequency 560MHz processor.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
Described ARM tetra-core processor, is used for monitoring whether 4G networking signal intensity RSSI value is more than preset value,
4G is the most then kept to step on net standby mode, if it is not, be then switched to 3G to step on net standby mode.
Further, in the vehicle-mounted networking advertisement machine of above-mentioned support dual-network and dual-standby 4G LTE wireless routing,
Described ARM tetra-core processor, be additionally operable to keep 4G step on net standby mode time, compare TDD-LTE and
The 4G networking signal intensity RSSI value of FDD-LTE, selects 4G networking signal intensity RSSI value high
TDD-LTE or FDD-LTE makees at networking data transmission.
Compared with prior art, the vehicle-mounted networking of the support dual-network and dual-standby 4G LTE wireless routing of the present invention is wide
Announcement machine includes ARM tetra-core processor and the microprocessor without inner interlocked pipelining-stage, at described ARM tetra-core
Manage device and without passing through universal asynchronous receiving-transmitting transmitter interface and USB between the microprocessor of inner interlocked pipelining-stage
Interface is attached；Described ARM tetra-core processor be connected to double frequency double receive double send out WiFi module,
TDD-LTE 4G/3G double-standard communication module, power supervisor, power amplifier, LCD display, 2GB
DDR3 internal memory and NAND-Flash memorizer, wherein, described TDD-LTE double-standard communication module connects
Having a U-SIM card slot, described LCD display connects bias backlight circuit；Described without inner interlocked
It is mono-that the microprocessor of pipelining-stage is connected to the first single-frequency 2.4GHz transmitting-receiving WiFi module, the 2nd 5GHz
Frequency transmitting-receiving WiFi module and usb hub, described usb hub and FDD-LTE 4G/3G double-standard
Communication module connects, and described FDD-LTE double-standard communication module connects the 2nd U-SIM card slot, can be
While supporting In-vehicle networking advertisement, in supporting car, user WiFi handheld device is got online without being tethered to a cable simultaneously.
Described ARM tetra-core processor, is additionally operable to when keeping 4G to step on net standby mode, WiFi in monitoring car
Step on net registration number of users, when WiFi steps on net registration number of users less than 14 in car, only by TDD-LTE net
In the reception of road support vehicular advertisement player information and car, the online of WiFi mobile terminal connects；As WiFi in car
Step on net registration number of users more than or equal to 14 and less than or equal to 50 time, only by FDD-LTE networking support vehicle-mounted
In the reception of advertisement machine information and car, the online of WiFi mobile terminal connects；When in car, WiFi steps on net registration use
When amount is more than 50, is supported the reception of vehicular advertisement player information by TDD-LTE networking, pass through TDD-LTE
Support that the online of WiFi mobile terminal connects in car with FDD-LTE networking simultaneously.
Accompanying drawing explanation
Fig. 1 is the vehicle-mounted networking advertisement machine of the support dual-network and dual-standby 4G LTE wireless routing of one embodiment of the invention
Structure chart；
Fig. 2 is the vehicle-mounted networking advertisement machine of the support dual-network and dual-standby 4G LTE wireless routing of one embodiment of the invention
Function block diagram.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and
The present invention is further detailed explanation for detailed description of the invention.
Along with the operation of 3G/4G network develops, the need that it is desirable to high speed Internet access are whenever and wherever possible expedited the emergence of
Asking, but the 4G LTE handheld terminal of costliness can't quickly be popularized, user then wishes by existing hands
Hold the mobile phone of WiFi online, flat board, so that it may realize high speed Internet access.Therefore, one can support dual-network and dual-standby
The In-vehicle networking advertisement machine of 4G LTE wireless routing, can become people and experience the transfer of wireless high-speed online
Stand.To this end, the present invention provides a kind of vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing,
Can support while In-vehicle networking advertisement, support in car that user WiFi handheld device is the most wireless on
Net, can support two kinds of high speed 4G LTE FDD-LTE networks and two kinds of network systems of TDD-LTE of current main flow
Formula, the most also carries In-vehicle networking advertising function and media radio play point multicast function.
As it is shown in figure 1, described vehicle-mounted networking advertisement machine 100 includes ARM tetra-core processor 1 and MIPS
(Microprocessor without interlocked piped stages, without micro-process of inner interlocked pipelining-stage
Device) processor 2.Wherein, described ARM tetra-core processor 1 and the microprocessor without inner interlocked pipelining-stage
By UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting between 2
Transmitter) interface and USB interface be attached.
The present embodiment can be based on microprocessor and the ARM 4 core Cortex A7+GPU without inner interlocked pipelining-stage
Processor Double tabletop, a support 4G FDD-LTE/TDD-LTE dual-network and dual-standby wireless routing is built in combination
Vehicular wireless network advertisement machine, current 4G network is mainly by FDD-LTE network and two kinds of nets of TDD-LTE
Network standard is constituted.
Described ARM tetra-core processor 1 is connected to double WiFi of double frequency (2.4GHz/5GHz) double receipts
Module 3 such as WiFi 802.11b/g/n 2T/2R 300Mbps (Soft AP+WiFi Direct), 4G double-standard are logical
News module 4 such as TDD-LTE/TD-SCDMA 4G/3G modem, TDD-LTE 4G/3G, power management
Device 5 such as X-Powers AXP221 PMIC, power amplifier 6 (Audio Amp.), LCD display 7
Such as 19inch LCD TV Panel, 2GB DDR3 internal memory 8 and NAND-Flash memorizer 9 such as 32GB
NAND Flash.Described TDD-LTE double-standard communication module 4 connects a U-SIM card slot 10,
Described LCD display 7 connects bias backlight circuit 11 (LCD bias voltage driver&LED
backlight)。
The double pair WiFi module 3 of receiving of double frequency can be built-in 2.4GHZ/5GHZ 2T/2R WiFi module, supports
2.4GHZ/5GHz works simultaneously, flank speed 300Mbps, can support that meet 50-64 user goes up simultaneously
Net is online, supports dynamic MIMO (multiple input/multiple output) battery saving mode.
NAND-Flash memorizer 9 is built-in 32GB NAND Flash, and the web advertisement that backstage is issued can be through
Cross 4G network, download storage to being stored locally as server playback it can also be used to Tachographs uses.
Described LCD display 7 can be 19inch LCD display, can support network high definition stream media or basis
Ground multimedia video plays display, and can support OTT live telecast, and network intercuts information and can take through backstage
Business device processes, and shows in the live television channel that breaks for commercialsy；Rent-a-car company can update vehicle-mounted with dynamic realtime
In advertisement machine machine home server storage information and ad content, it addition, rent-a-car company to this car run number
According to and WiFi Internet user's number can be uploaded by private line, ensure reliability, local server can and rent
Automatically update between the Advertisement Server of Che company core machine room.
The microprocessor 2 of described pipelining-stage without inner interlocked is connected to the first single-frequency transmitting-receiving WiFi module 12
Such as 802.11n 2T/2R 2.4GHz, the second single-frequency transmitting-receiving WiFi module 13 such as 802.11n 2T/2R 5GHz
With usb hub 14 such as USB hub GL850G.Described usb hub 14 and FDD-LTE 4G/3G
Double-standard communication module 15 such as 4G FDD-LTE/WCDMA 4G/3G modem connects.Described FDD-LTE
Double-standard communication module 15 connects the 2nd U-SIM card slot 16.
Concrete, described vehicle-mounted networking advertisement machine 100 can support that independent wireless routing CPE pattern/vehicle-mounted is extensively
Announcement pattern, can close Ads on Vehicles function, still can support 4G LTE wireless routing；Or regard vehicle-mounted user
Number, can close independent wireless routing CPE pattern, retains the Ads on Vehicles pattern of low number of users, also can 2 kinds
Pattern coexists.
It addition, described vehicle-mounted networking advertisement machine 100 also can support that WiFi+DLNA wireless network is play online
Media image and sound program function in advertisement machine.Mobile phone in car, tablet PC all can be through WiFi accessing wirelessly
Select the local media image and sound program that playback is stored in advertisement machine.
In one embodiment of the invention, complete machine can be by TDD-LTE 4G/3G double-standard communication module 4
(FDD-LTE/WCDMA4G/3G wireless communication module) and FDD-LTE 4G/3G double-standard communication mould
Block 15 (TDD-LTE/TD-SCDMA 4G/3G wireless communication module), 2.4G/5GHz two-band WiFi
Module wireless communication module, high performance ARM cortex A7 tetra-core multimedia application processor and without inside
The microprocessor of interlocking pipelining-stage, integrated Audio CODEC and multifunctional power manager, 32GB capacity
NAND internal memory, 2GB DDR3 internal memory, 19inch TFT LCD panel and bias backlight circuit, relevant
Power management chip, micro SD card slot, usim card slot, USB2.0 HOST/USB2.0 OTG
Interface, earphone interface, LAN interface forms.Wherein, USB2.0 OTG and USB2.0 Host interface can
3G/4G wireless Internet card is supported in choosing, and this equipment mainly realizes supporting multiple 3G, 4G network connection mode
Formula, with wireless networking capabilities and the radio router function of WiFi network connection mode.Passenger inside the vehicle can be with propping up
Hold mobile phone or the flat board of WiFi online, play by this dual-network and dual-standby vehicular advertisement player and WiFi accessing wirelessly
It is stored in the media program that vehicular advertisement player is locally stored, hardware is supported maximum 4GByte deposits for advertisement
Storage, remaining is as media program storage, and built-in micro SD card also can support the joint of 32GB memory capacity
Mesh.
The EMAC interface 17 of described ARM tetra-core processor 1 can pass through ethernet PHY circuit module 18
(Ethernet PHY) and the Ethernet switch 19 (Ethernet of the microprocessor 2 without inner interlocked pipelining-stage
Switch) connecting, described Ethernet switch 19 is connected with LAN (Ethernet) interface 20, described LAN interface
20 are connected with photographic head 21.Concrete, Ethernet interface can support IP network camera head monitor function, or
Person's WiFi camera head monitor function, can will monitor video signal passback through wireless network to background server in car.
Described usb hub 14 also can be connected with 4G LTE card of surfing Internet 22,3G card of surfing Internet 23 or USB flash disk 24.Tool
Body, this In-vehicle networking advertisement machine, in addition to supporting built-in 4G/3G modem online, also can support USB
HOST, USB OTG plug-in 4G LTE, 3G card of surfing Internet accesses, thus realizes having the multiple of elastification
3G network card of surfing Internet access way, its 3G/4G route can support that wired LAN interface uses.
Described ARM tetra-core processor 1 also can connect SD card slot 25 (SD card slot).
Described ARM tetra-core processor 1 also can connect gravity sensor 26 (G sensor).By built-in G
Sensor, occurs collision when meeting with bigger collision accident when automobile, can be with perception (front, rear, left and right) four
Individual direction acceleration upset time, then automatically turn on delay shooting 3 minutes, and by video preserve after, and
Pass back to background server.Realize rent-a-car company, by vehicular advertisement player, the situation in car is carried out real-time regarding
Frequency monitoring, is once had collision or overturn accident to occur, is detected by built-in G sensor, automatically shoot with video-corder car
Interior situation, and upload to background video monitoring server.
Described ARM tetra-core processor 1 also can connect GPS locating module 27 (GPS module), can be in conjunction with
Network Online Map, display automobile present position, car pipe background server can make tracing and positioning, garage's rail
Mark, it is achieved bus location is followed the trail of.
Described ARM tetra-core processor 1 can be ARM Cortex 47+GPU processor (All winner,
A31, Cortex A7 Quad-Core 1.2GHz+POWER VR SGX544 MP2 GPU
Processor), the microprocessor 2 of described pipelining-stage without inner interlocked is AR9344 MIPS dominant frequency 560MHz
Processor.Concrete, A31 dominant frequency based on full will is up to 1.2GHZ ARM cortex A7 tetra-core height
Can multimedia application processor chip be master cpu, with AR9344 MIPS dominant frequency 560MHz of Atheros
Processor is auxiliary, designs the 4G In-vehicle networking advertisement machine that can support dual-network and dual-standby, and wherein AR9344 will transport
Row Linux, built-in routing appliance protocol stack, support 2.4GHz/5GHz double frequency 300MBPS WiFi route,
By means of USB HOST interface, by circumscribed USB HUB, support that 4G FDD-LTE/WCDMA leads to
News module accesses, and can support other 3G/4G communication moulds plug-in by the USB HOST interface extended out
Block；Integrated Audio CODEC high performance multimedia application processor A31 master cpu then runs on
Android operation system, has high-definition audio and video media hard decoder function, supports that LCD the machine shows, with
Show for the web advertisement, OTT (the Internet) live telecast, the master cpu USB Host by self
Interface, can support local built-in TDD-LTE/TD-SCDMA communication module, by SDIO interface,
Holding built-in 2.4G Hz 2T/2R 300MBps WiFi module, this module can support soft AP function, to realize
By the wireless routing of TDD-LTE/TD-SCDMA network, remaining periphery then has following ingredient circuit group
Become: power supervisor AXP221, for depositing the 16/32GB capacity NAND FLASH of program and data
Internal memory, the 2GB DDR3 internal memory micro SD card slot run for program, usim card slot,
USB2.0 HOST, USB2.0 OTG interface, universal asynchronous receiving-transmitting transmitter interface.Master cpu is with auxiliary
Communication between CPU, then by universal asynchronous receiving-transmitting transmitter serial port command data channel, and USB2.0 network
Media data channel is connected, and easily realizes master cpu detecting and reads auxiliary CPU state information, data
Information, and implement corresponding control.
The microprocessor 2 of described pipelining-stage without inner interlocked can be AR9344 MIPS dominant frequency 560MHz processor
(Atheros AR9344 MIPS74Kc SOC)。
Described ARM tetra-core processor 1, is additionally operable to whether monitor 4G networking signal intensity RSSI value more than pre-
If value；4G is the most then kept to step on net standby mode；If it is not, be then switched to 3G to step on net standby mode.Tool
Body, this In-vehicle networking advertisement machine can automatically select 4G/3G by detecting RSSI value oneself adjustment and step on net,
Holding in the area covered without 4G LTE network, re eligible to 3G network is surfed the Net.This In-vehicle networking advertisement machine
Can be according to the most double net of TDD-LTE/TD-SCDMA Yu FDD-LTE/WCDMA when ad distribution
RSSI signal, the network transmission advertisement that preferred signals intensity is high.
Described ARM tetra-core processor 1, is additionally operable to, when keeping 4G to step on net standby mode, compare TDD-LTE
With the 4G networking signal intensity RSSI value of FDD-LTE, select 4G networking signal intensity RSSI value high
TDD-LTE or FDD-LTE makees at networking data transmission.Concrete, this machine built-in TDD-LTE 4G/3G is double
Standard communication module 4 and FDD-LTE 4G/3G double-standard communication module 15 can support double-card dual-standby, has
Can Auto-Sensing 4G LTE network signal coverage strength, the network function high preferably to login network speed.
Described ARM tetra-core processor 1, is additionally operable to when keeping 4G to step on net standby mode, WiFi in monitoring car
Step on net registration number of users,
When in car, WiFi steps on net registration number of users less than 14, only vehicle-mounted extensively by the support of TDD-LTE networking
In the reception of announcement machine information and car, the online of WiFi mobile terminal connects；I.e. keep TDD-LTE step on networking by
Pattern, is automatically switched off FDD-LTE and steps on net route pattern；
When in car WiFi step on net registration number of users more than or equal to 14 and less than or equal to 50 time, only pass through
In the reception of FDD-LTE networking support vehicular advertisement player information and car, the online of WiFi mobile terminal connects；I.e.
Keep FDD-LTE to step on net route pattern, be automatically switched off TDD-LTE and step on net route pattern；
When WiFi steps on net registration number of users more than 50 in car, support Ads on Vehicles by TDD-LTE networking
The reception of machine information, supports WiFi mobile terminal in car by TDD-LTE and FDD-LTE networking simultaneously
Online connects, and i.e. keeps FDD-LTE and TDD-LTE to step on net route pattern.Concrete, this In-vehicle networking
Advertisement machine is being supported while car In-vehicle networking advertisement, can meet user in car and use the mobile phone of built-in WiFi,
The most online online of flat board, maximum can meet the most online online of 64 users.This In-vehicle networking advertisement machine,
Can step on net registration number of users by WiFi in detecting car, automatic switchover TDD-LTE Yu FDD-LTE steps on net
Network is by pattern.Passenger inside the vehicle can be vehicle-mounted extensively by this dual-network and dual-standby with mobile phone or the flat board supporting that WiFi surfs the Net
4G/3G network logined by announcement machine, connects internet, enjoys internet service on net, it addition, this vehicle-mounted net
Network advertisement machine, can be as the audio-visual shared server of media, and mobile phone, flat board can joints in accessing wirelessly server
Mesh, and directly can play supported media program by WiFi network, passenger inside the vehicle can also be by vehicle-mounted
Advertisement machine freely accesses hire a car public transport or touring car local service, accepts the information of this car offer and watches advertisement
Service.
Detailed, this vehicular advertisement player is furnished with double U-SIM card card slot, tackles respectively
Two kinds of network operations of FDD-LTE/WCDMA Yu TDD-LTE/TD-SCDMA, need before energising start
First inserting in machine, after start, entrance Android start runs picture, enters browser, and input is originally
Ground route IP default addresses for use, enters router WEB and configures interface.Unlatching is set without inner interlocked pipelining-stage
The 2.4GHZ/5GHz WiFi two-frequency operation pattern of microprocessor hardware router side, be then turned on
The double net standby mode of FDD-LTE/WCDMA Yu TDD-LTE/TD-SCDMA, system host CPU meeting
Auto-Sensing 4G/3G network signal intensity RSSI value, if RSSI value is more than 4G network signal basic value,
Then keep 4G FDD-LTE/TDD-LTE to step on net standby mode, otherwise automatically switch to 3G
WCDMA/TD-SCDMA steps on net standby mode.Under the double net standby mode of 4G, system will compare
The RSSI value of 2 4G network signals, the advertisement that background server is issued, 4G network in preferred car is believed
Number strong Internet communication is to advertisement machine, to ensure having the most no-delay result of broadcast.Standby at the double net of 4G
Pattern, system will WiFi handset or flat board user's number-of-registration in automatic detection vehicle, if WiFi note in car
Volume number of users less than 14, then retains the TDD-LTE of master cpu support and steps on network by pattern, now WiFi
Communication then works using 2.4GHz 2T/2R 300MBps WiFi module as soft ap mode, and auxiliary without internal
The FDD-LTE route that the microprocessor of interlocking pipelining-stage is supported, it will be automatically switched off；Ruo Chenei WiFi
Registration number of users more than 50, then keeps the double net of 4G to step on network by pattern；Ruo Chenei WiFi registration number of users is big
In 14, and less than 50, then FDD-LTE is kept to step on network by pattern, closedown TDD-LTE network road
By, in the hope of power saving.
The In-vehicle networking advertisement machine of the dual-network and dual-standby the supported 4G LTE wireless routing of the present invention, facilitates car owner
By the free publishing advertisement business of background server, bring ad revenue to car owner and rent-a-car company.Prop up simultaneously
Hold multi-user in car, enjoy the enjoyment of high speed Internet access, thus stimulate passenger's carriage rate.The function of the present invention is such as
Shown in Fig. 2, this In-vehicle networking advertisement machine can be placed in public transport big bus or tourist bus, with full to greatest extent
The user that has a full house in foot car surfs the Net as target simultaneously, supports that In-vehicle networking advertising message is issued simultaneously, to car owner and
Rent-a-car company brings ad revenue.In-vehicle networking advertisement machine will be supported simultaneously
FDD-LTE/WCDMA, TDD-LTE/TD-SCDMA 4G/3G surfs the Net, based on without inner interlocked pipelining-stage
Microprocessor and ARM 4 core Cortex A7+GPU processor Double tabletop framework, built-in 2.4GHz/5GHz
Two-band WiFi module, built-in 32GB NAND FLASH, builds the car that 19inch LCD shows
Carry network advertising machine.
The present invention passes through ARM tetra-core processor and the microprocessor without inner interlocked pipelining-stage, wherein, described
Universal asynchronous receiving-transmitting transmitter is passed through between ARM tetra-core processor and the microprocessor without inner interlocked pipelining-stage
Interface and USB interface are attached；Described ARM tetra-core processor is connected to double WiFi of the double receipts of double frequency
Module, TDD-LTE 4G/3G double-standard communication module, power supervisor, power amplifier, LCD show
Screen, 2GB DDR3 internal memory and NAND-Flash memorizer, wherein, described TDD-LTE double-standard communication
Module connects a U-SIM card slot, and described LCD display connects bias backlight circuit；Described nothing
The microprocessor of inner interlocked pipelining-stage is connected to the first single-frequency transmitting-receiving WiFi module, the second single-frequency transmitting-receiving
WiFi module and usb hub, described usb hub and FDD-LTE 4G/3G double-standard communication module
Connecting, described FDD-LTE double-standard communication module connects the 2nd U-SIM card slot, can be vehicle-mounted in support
While the web advertisement, in supporting car, user WiFi handheld device is got online without being tethered to a cable simultaneously.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is
With the difference of other embodiments, between each embodiment, identical similar portion sees mutually.For
For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so the comparison described is simple
Single, relevant part sees method part and illustrates.
Professional further appreciates that, each example described in conjunction with the embodiments described herein
Unit and algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, for
Clearly demonstrate the interchangeability of hardware and software, the most retouch in general manner according to function
Composition and the step of each example are stated.These functions perform with hardware or software mode actually, depend on
The application-specific of technical scheme and design constraint.Professional and technical personnel specifically should be able to be used for each
Use different methods to realize described function, but this realization is it is not considered that exceed the model of the present invention
Enclose.
Obviously, those skilled in the art can carry out various change and modification without deviating from the present invention to invention
Spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of equivalent technologies, then the present invention is also intended to change and including modification include these.
Claims (10)
1. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing, it is characterised in that
Including: ARM tetra-core processor and MIPS processor, described ARM tetra-core processor and MIPS process
It is attached by UART interface and USB interface between device；
The double frequency being connected with described ARM tetra-core processor respectively is double receives double WiFi module, TDD-LTE
4G/3G double-standard communication module, power supervisor, power amplifier, LCD display, DDR3 internal memory
With NAND-Flash memorizer, wherein, described TDD-LTE double-standard communication module and a U-SIM card
Slot, described LCD display is connected with bias backlight circuit；
The first single-frequency 2.4GHz being connected with described MIPS processor respectively receives and dispatches WiFi module, the second list
Frequently 5GHz transmitting-receiving WiFi module and usb hub, described usb hub is double with FDD-LTE4G/3G
Standard communication module connects, and described FDD-LTE double-standard communication module and the 2nd U-SIM card slot connect.
2. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1,
It is characterized in that, the EMAC interface of described ARM tetra-core processor passes through an ethernet PHY circuit module
Being connected with the Ethernet switch of MIPS processor, described Ethernet switch and a LAN interface connect, described
LAN interface and a photographic head connect.
3. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1,
It is characterized in that, described usb hub is also connected with 4G LTE card of surfing Internet, 3G card of surfing Internet or USB flash disk.
4. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1,
It is characterized in that, described ARM tetra-core processor is also associated with a SD card slot.
5. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1,
It is characterized in that, described ARM tetra-core processor is also associated with a gravity sensor.
6. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1,
It is characterized in that, described ARM tetra-core processor is also associated with a GPS locating module.
7. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1,
It is characterized in that, described ARM tetra-core processor is ARM Cortex A7+GPU processor.
8. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1,
It is characterized in that described ARM tetra-core processor is used for whether monitoring 4G networking signal intensity RSSI value
More than preset value；If so, 4G is kept to step on net standby mode；If it is not, be switched to 3G to step on net standby mode.
9. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 8,
It is characterized in that, described ARM tetra-core processor, be additionally operable to, when keeping 4G to step on net standby mode, compare
The 4G networking signal intensity RSSI value of TDD-LTE and FDD-LTE, selects 4G networking signal intensity RSSI
Data transmission is made at TDD-LTE or the FDD-LTE networking that value is high.
10. the vehicle-mounted networking advertisement machine supporting dual-network and dual-standby 4G LTE wireless routing as claimed in claim 8,
It is characterized in that, described ARM tetra-core processor, be additionally operable to when keeping 4G to step on net standby mode, monitoring
In car, WiFi steps on net registration number of users,
When in car, WiFi steps on net registration number of users less than 14, only vehicle-mounted extensively by the support of TDD-LTE networking
In the reception of announcement machine information and car, the online of WiFi mobile terminal connects；
When in car WiFi step on net registration number of users more than or equal to 14 and less than or equal to 50 time, only pass through
In the reception of FDD-LTE networking support vehicular advertisement player information and car, the online of WiFi mobile terminal connects；
When WiFi steps on net registration number of users more than 50 in car, support Ads on Vehicles by TDD-LTE networking
The reception of machine information, supports WiFi mobile terminal in car by TDD-LTE and FDD-LTE networking simultaneously
Online connects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541005.0A CN103546353B (en) | 2013-11-05 | 2013-11-05 | Support the vehicle-mounted networking advertisement machine of dual-network and dual-standby 4G LTE wireless routing |
| TW103120432A TWI559795B (en) | 2013-11-05 | 2014-06-13 | Support dual durations and dual modes long term evolution wireless routing vehicle network advertising machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541005.0A CN103546353B (en) | 2013-11-05 | 2013-11-05 | Support the vehicle-mounted networking advertisement machine of dual-network and dual-standby 4G LTE wireless routing |
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| Publication Number | Publication Date |
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| CN103546353A CN103546353A (en) | 2014-01-29 |
| CN103546353B true CN103546353B (en) | 2016-08-24 |
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| CN201310541005.0A Active CN103546353B (en) | 2013-11-05 | 2013-11-05 | Support the vehicle-mounted networking advertisement machine of dual-network and dual-standby 4G LTE wireless routing |
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| CN (1) | CN103546353B (en) |
| TW (1) | TWI559795B (en) |
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| TW201519679A (en) | 2015-05-16 |
| TWI559795B (en) | 2016-11-21 |
| CN103546353A (en) | 2014-01-29 |
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