CN103546353A - In-vehicle network advertising machine supporting CDMA GSM 4G LTE wireless router - Google Patents
In-vehicle network advertising machine supporting CDMA GSM 4G LTE wireless router Download PDFInfo
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Abstract
The invention provides an in-vehicle network advertising machine supporting a CDMA GSM 4G LTE wireless router. The in-vehicle network advertising machine comprises an ARM quad-core processor and an MIPS processor. The ARM quad-core processor and the MIPS processor are connected through a UART interface and a USB interface. The ARM quad-core processor is connected with a dual-frequency dual-receiver dual-transmitter WiFi module, a TDD-LTE 4G/3G double-system communication module, a power source manager, a power amplifier, an LCD, a 2GB DDR3 memory and an NANd-Flash memorizer. The TDD-LTE double-system communication module is connected with a first U-SIM card slot. The LCD is connected with a bias voltage backlight circuit. The MIPS processor is connected with a first single-frequency 2.4GHz receiving-transmitting WiFi module, a second single-frequency 5GHz receiving-transmitting WiFi module and a USB hub. The USB hub is connected with an FDD-LTE 4G/3G double-system communication module connected with a second U-SIM card slot. While in-vehicle network advertisements are supported, the users in vehicles are supported to use WiFi handheld equipment to be connected to the wireless internet.
Description
Technical field
The present invention relates to a kind of vehicle-mounted networking advertisement machine of supporting dual-network and dual-standby 4G LTE wireless routing.
Background technology
High speed development along with 3G/4G network, the onboard wireless network advertising machine network advertising machine of built-in 3G communication module is also because fortune is given birth to, its advantage is, utilize built-in 3G communication module, the online of WiFi module composition moving vehicle, sees through wireless network, releasing advertisements in good time, carry out the transmission of content of multimedia and play, and support wireless routing function, facilitate user in car to surf the Net by its WiFi focus.
Yet, the highest downloading rate of 3G network take DC-HSPA+ as the highest downloading rate of example be DL42Mbps, once have in car, surpass 20 users download online watching video simultaneously, In-vehicle networking advertisement machine self Online release video ads will be received impact, speed declines, and causes picture to pause, postpone etc.Once be placed on public transport or tourist bus, there will be and can't bear load use, cause video signal Quality Down, the embarrassment that even part user cannot surf the Net, this will hinder the development of onboard wireless network advertising machine.And after the importing 4G LTE of operator radio network technique, can stimulate the development that onboard wireless network advertising machine is new, LTE is the Second Revolution after 3G, compare LTE with 3.5G with 3.75G and adopted more novelty technology, as OFDM and MIMO etc., make the upstream and downstream rate of network approach 100Mbps, especially on spectrum utilization efficiency, be greatly improved, this compares with 3G and upgrade technique thereof, had significantly and promoted, LTE is with high power capacity, two-forty, the features such as low time delay are famous, can create new service and business model, its real significance is to provide a brand-new network platform to industry, can support more application.
Therefore, need at present a kind of onboard wireless network advertising machine of the 4G of importing LTE network technology badly, can on public transport or tourist bus, allow 50-64 users to surf the Net simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of vehicle-mounted networking advertisement machine of supporting dual-network and dual-standby 4G LTE wireless routing, can, when supporting In-vehicle networking advertisement, support that in car, user gets online without being tethered to a cable by WiFi handheld device simultaneously.
For addressing the above problem, the invention provides a kind of vehicle-mounted networking advertisement machine of supporting dual-network and dual-standby 4G LTE wireless routing, comprising:
ARM tetra-core processors and MIPS processor, wherein, be connected with USB interface by UART interface between described ARM tetra-core processors and MIPS processor;
Described ARM tetra-core processors are connected with respectively a two pair WiFi module, TDD-LTE4G/3G double-standard communication module, power supervisor, power amplifier, LCD display, 2GB DDR3 internal memory and the NAND-Flash memories received of double frequency, wherein, described TDD-LTE double-standard communication module is connected with a U-SIM card slot, and described LCD display is connected with bias voltage backlight circuit;
Described MIPS processor is connected with respectively 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, and described FDD-LTE double-standard communication module is connected with the 2nd U-SIM card slot.
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 processors is connected with the Ethernet switch of MIPS processor by an ethernet PHY circuit module, described Ethernet switch is connected with LAN interface, and described LAN interface is connected with camera.
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 processors are also connected 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 processors are also connected 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 processors are also connected 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 processors are 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, described MIPS processor is AR9344MIPS 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 processors, be used for monitoring 4G networking signal strength signal intensity RSSI value and whether be greater than preset value, if so, keep 4G to step on net standby mode, if not, be switched to 3G and 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 processors, also for when keeping 4G to step on net standby mode, relatively the 4G networking signal strength signal intensity RSSI value of TDD-LTE and FDD-LTE, selects high TDD-LTE or the FDD-LTE networking of signal strength signal intensity RSSI value, 4G networking to make transfer of data.
Compared with prior art, the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing of the present invention comprises ARM tetra-core processors and MIPS processor, between described ARM tetra-core processors and MIPS processor, by UART interface, is connected with USB interface; Described ARM tetra-core processors are connected with respectively a two pair WiFi module, TDD-LTE4G/3G double-standard communication module, power supervisor, power amplifier, LCD display, 2GB DDR3 internal memory and the NAND-Flash memories received of double frequency, wherein, described TDD-LTE double-standard communication module is connected with a U-SIM card slot, and described LCD display is connected with bias voltage backlight circuit; Described MIPS processor is connected with respectively the first single-frequency 2.4GHz transmitting-receiving WiFi module, the 2nd 5GHz single-frequency 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 is connected with the 2nd U-SIM card slot, can, when supporting In-vehicle networking advertisement, support that in car, user gets online without being tethered to a cable by WiFi handheld device simultaneously.
Described ARM tetra-core processors, also for when keeping 4G to step on net standby mode, WiFi steps on net registered user number in monitoring car, when WiFi steps on net registered user number and is less than 14 in car, only by TDD-LTE networking, supports the reception of vehicular advertisement player information to be connected with the online of WiFi mobile terminal in car; In car, WiFi steps on net registered user number and is more than or equal to 14 and while being less than or equal to 50, only by FDD-LTE networking, supports the reception of vehicular advertisement player information to be connected with the online of WiFi mobile terminal in car; When WiFi steps on net registered user number and is greater than 50 in car, by TDD-LTE networking, support the reception of vehicular advertisement player information, by TDD-LTE, support the online of WiFi mobile terminal in car to be connected with FDD-LTE networking simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure chart of vehicle-mounted networking advertisement machine of the support dual-network and dual-standby 4G LTE wireless routing of one embodiment of the invention;
Fig. 2 is the function block diagram of vehicle-mounted networking advertisement machine of the support dual-network and dual-standby 4G LTE wireless routing of one embodiment of the invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Operation development along with 3G/4G network, expedite the emergence of people and wished the demand of high speed Internet access whenever and wherever possible, but expensive 4G LTE handheld terminal can't be popularized fast, user wishes, by supporting mobile phone, the flat board of WiFi online in existing hand, just can realize high speed Internet access.Therefore, a kind of In-vehicle networking advertisement machine of supporting dual-network and dual-standby 4G LTE wireless routing, can become the terminal that people experience wireless high-speed online.For this reason, the invention provides a kind of vehicle-mounted networking advertisement machine of supporting dual-network and dual-standby 4G LTE wireless routing, can be when supporting In-vehicle networking advertisement, support that in car, user gets online without being tethered to a cable by WiFi handheld device simultaneously, two kinds of high speed 4G LTE FDD-LTE networks and the two kinds of network formats of TDD-LTE that can support current main flow have also carried In-vehicle networking advertising function and media radio play point multicast function simultaneously.
As shown in Figure 1, described vehicle-mounted networking advertisement machine 100 comprises ARM tetra-core processors 1 and MIPS processor 2.Wherein, between described ARM tetra-core processors 1 and MIPS processor 2, by UART interface, be connected with USB interface.
The present embodiment can be based on MIPS processor and the two platforms of ARM4 core Cortex A7+GPU processor, the onboard wireless network advertising machine of a support 4G FDD-LTE/TDD-LTE dual-network and dual-standby wireless routing is built in combination, and 4G network mainly consists of FDD-LTE network and two kinds of network formats of TDD-LTE at present.
Described ARM tetra-core processors 1 are connected with respectively the two WiFi modules 3 of sending out of the two receipts of double frequency (2.4GHz/5GHz) as WiFi802.11b/g/n2T/2R300Mbps (Soft AP+WiFi Direct), 4G double-standard communication module 4 is as TDD-LTE/TD-SCDMA4G/3G modem, TDD-LTE4G/3G, power supervisor 5 is as X-Powers AXP221PMIC, power amplifier 6(Audio Amp.), LCD display 7 is as 19inch LCD TV Panel, 2GB DDR3 internal memory 8 and NAND-Flash memory 9 are as 32GBNAND Flash.Described TDD-LTE double-standard communication module 4 is connected with a U-SIM card slot 10, and described LCD display 7 is connected with bias voltage backlight circuit 11(LCD bias voltage driver & LEDbacklight).
The two pair WiFi module 3 of receiving of double frequency can be built-in 2.4GHZ/5GHZ2T/2R WiFi module, support that 2.4GHZ/5GHz works simultaneously, flank speed 300Mbps, can support to meet 50-64 user and surf the Net online simultaneously, supports dynamic MIMO (multiple input/multiple output) battery saving mode.
NAND-Flash memory 9 is built-in 32GB NAND Flash, and the web advertisement of backstage issue can pass through 4G network, and downloaded stored, also can be used for Tachographs and uses as server playback to local storage.
Described LCD display 7 can be 19inch LCD display, can network enabled high definition stream media or local multimedia video play and show, and can support OTT live telecast, network intercuts information and can process through background server, breaks for commercialsy and shows in live telecast channel; Rent-a-car company is the interior home server canned data of real-time update vehicular advertisement player machine and ad content dynamically, in addition, rent-a-car company can upload by private line this car operation data and WiFi Internet user number, ensure reliability, local server can and the Advertisement Server of rent-a-car company's core machine room between automatically upgrade.
Described MIPS processor 2 is connected with respectively the first single-frequency transmitting-receiving WiFi module 12 as 802.11n2T/2R2.4GHz, the second single-frequency and receives and dispatches WiFi module 13 if 802.11n2T/2R5GHz and usb hub 14 are as USB hub GL850G.Described usb hub 14 and FDD-LTE4G/3G double-standard communication module 15 are connected as 4G FDD-LTE/WCDMA4G/3G modem.Described FDD-LTE double-standard communication module 15 is connected with the 2nd U-SIM card slot 16.
Concrete, described vehicle-mounted networking advertisement machine 100 can be supported independent wireless routing CPE pattern/Ads on Vehicles pattern, can close Ads on Vehicles function, still can support 4G LTE wireless routing; Or look vehicle mounted amount, and can close independent wireless routing CPE pattern, retain the Ads on Vehicles pattern of low number of users, also can 2 kinds of modes coexist.
In addition, described vehicle-mounted networking advertisement machine 100 also can be supported the media image and sound program function in the online broadcast advertisement machine of WiFi+DLNA wireless network.Mobile phone in car, flat computer all can select playback to be stored in the local media image and sound program in advertisement machine through WiFi accessing wirelessly.
In one embodiment of the invention, complete machine can be by TDD-LTE4G/3G double-standard communication module 4(FDD-LTE/WCDMA4G/3G wireless communication module) with FDD-LTE4G/3G double-standard communication module 15(TDD-LTE/TD-SCDMA4G/3G wireless communication module), 2.4G/5GHz two-band WiFi module wireless communication module, high performance ARM cortex A7 tetra-core multimedia application processors and MIPS processor, integrated Audio CODEC and multifunction electric source manager, the NAND internal memory of 32GB capacity, 2GB DDR3 internal memory, 19inch TFT LCD panel and bias voltage backlight circuit, line related managing chip, micro SD card slot, usim card slot, USB2.0HOST/USB2.0OTG interface, earphone interface, LAN interface forms.Wherein, USB2.0OTG and USB2.0Host interface are by optional support 3G/4G wireless Internet card, and this equipment is mainly realized and can be supported multiple 3G, 4G network connection mode, with wireless networking capabilities and the radio router function of WiFi network connection mode.Mobile phone or flat board that passenger inside the vehicle can surf the Net with support WiFi, by this dual-network and dual-standby vehicular advertisement player and WiFi accessing wirelessly, play the media program that is stored in the storage of Ads on Vehicles machine local, on hardware, support maximum 4GByte for ad storage, all the other are as media program storage, and built-in micro SD card also can be supported the program of 32GB memory capacity.
The EMAC interface 17 of described ARM tetra-core processors 1 can pass through ethernet PHY circuit module 18(Ethernet PHY) with the Ethernet switch 19(Ethernet switch of MIPS processor 2) be connected, described Ethernet switch 19 and LAN(Ethernet) interface 20 is connected, and described LAN interface 20 is connected with camera 21.Concrete, Ethernet interface can be supported IP network camera head monitor function, or WiFi camera head monitor function, can through wireless network, arrive background server by monitoring video signal passback 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.Concrete, this In-vehicle networking advertisement machine built-in 4G/3G modem online, also can be supported USBHOST except supporting, the plug-in 4G LTE of USB OTG, the access of 3G card of surfing Internet, thus realize the multiple 3G network card of surfing Internet access way with elastification, and its 3G/4G route can support wired lan interface to use.
Described ARM tetra-core processors 1 also can be connected with SD card slot 25(SD card slot).
Described ARM tetra-core processors 1 also can be connected with gravity sensor 26(G sensor).By built-in Gsensor, when meeting with larger collision accident, there is collision when automobile, during acceleration upset that can perception (front, rear, left and right) four direction, then automatically open and postpone to take 3 minutes, and after video is preserved, and pass back to background server.Realize rent-a-car company, by vehicular advertisement player, the situation in car is carried out to real-time video monitoring, once have collision or overturn accident to occur, by built-in G sensor, detect, automatically shoot with video-corder situation in car, and upload to backstage video monitoring server.
Described ARM tetra-core processors 1 also can be connected with GPS locating module 27(GPS module), can be in conjunction with network Online Map, display automobile present position, car pipe background server can be made tracing and positioning, and garage's track is realized bus location and is followed the trail of.
Described ARM tetra-core processors 1 can be ARM Cortex47+GPU processor (All winner, A31, Cortex A7Quad-Core1.2GHz+POWER VR SGX544MP2GPUprocessor), described MIPS processor 2 is AR9344MIPS dominant frequency 560MHz processor.Concrete, it is master cpu that A31 dominant frequency based on full will can reach 1.2GHZ ARM cortex A7 tetra-core high-performance multimedia application processor chips, take the AR9344MIPS dominant frequency 560MHz processor of Atheros as auxiliary, design the 4G In-vehicle networking advertisement machine that can support dual-network and dual-standby, wherein AR9344 will move Linux, built-in routing appliance protocol stack, support 2.4GHz/5GHz double frequency 300MBPS WiFi route, by means of USBHOST interface, by circumscribed USB HUB, support the access of 4G FDD-LTE/WCDMA communication module, and can be by the USB HOST interface extending out, support plug-in other 3G/4G communication modules, the high performance multimedia application processor A31 of integrated Audio CODEC master cpu runs on Android operating system, there is high-definition audio and video media hard decoder function, support LCD the machine to show, for the web advertisement, show, OTT(the Internet) live telecast, master cpu is by the USB Host interface of self, can support local built-in TDD-LTE/TD-SCDMA communication module, by SDIO interface, support built-in 2.4G Hz2T/2R300MBps WiFi module, this module can be supported soft AP function, to realize by the wireless routing of TDD-LTE/TD-SCDMA network, all the other peripheries have following part the electric circuit constitute: power supervisor AXP221, for depositing the 16/32GB capacity NAND FLASH internal memory of program and data, 2GB DDR3 internal memory micro SD card slot for program operation, usim card slot, USB2.0HOST, USB2.0OTG interface, UART interface.Communication between master cpu and auxiliary CPU, by UART serial port command data channel, and USB2.0 network media data channel is connected, and easily realize master cpu detecting and read auxiliary CPU state information, data message, and implement corresponding control.
Described MIPS processor 2 can be AR9344MIPS dominant frequency 560MHz processor (Atheros AR9344MIPS74Kc SOC).
Whether described ARM tetra-core processors 1, be also greater than preset value for monitoring 4G networking signal strength signal intensity RSSI value; If so, keep 4G to step on net standby mode; If not, be switched to 3G and step on net standby mode.Concrete, this In-vehicle networking advertisement machine can be adjusted and automatically be selected 4G/3G to step on net by detecting RSSI value oneself, is supported in the area without the 4G LTE network coverage, and re eligible is surfed the Net to 3G network.This In-vehicle networking advertisement machine can be according to TDD-LTE/TD-SCDMA and FDD-LTE/WCDMA two net RSSI signals on the spot, the Internet Transmission advertisement that preferred signals intensity is high when ad distribution.
Described ARM tetra-core processors 1, also for when keeping 4G to step on net standby mode, relatively the 4G networking signal strength signal intensity RSSI value of TDD-LTE and FDD-LTE, selects high TDD-LTE or the FDD-LTE networking of signal strength signal intensity RSSI value, 4G networking to make transfer of data.Concrete, the built-in TDD-LTE4G/3G double-standard of this machine communication module 4 and FDD-LTE4G/3G double-standard communication module 15 can be supported double-card dual-standby, and having can Auto-Sensing 4G LTE network signal coverage strength, preferably to login the network function that network speed is high.
Described ARM tetra-core processors 1, also for when keeping 4G to step on net standby mode, in monitoring car, WiFi steps on net registered user number,
When WiFi steps on net registered user number and is less than 14 in car, only by TDD-LTE networking, support the reception of vehicular advertisement player information to be connected with the online of WiFi mobile terminal in car; Keep TDD-LTE to step on net route pattern, automatically close FDD-LTE and step on net route pattern;
In car, WiFi steps on net registered user number and is more than or equal to 14 and while being less than or equal to 50, only by FDD-LTE networking, supports the reception of vehicular advertisement player information to be connected with the online of WiFi mobile terminal in car; Keep FDD-LTE to step on net route pattern, automatically close TDD-LTE and step on net route pattern;
When in car, WiFi steps on net registered user number and is greater than 50, by TDD-LTE networking, support the reception of vehicular advertisement player information, by TDD-LTE, support the online of WiFi mobile terminal in car to be connected with FDD-LTE networking simultaneously, keep FDD-LTE and TDD-LTE to step on net route pattern.Concrete, this In-vehicle networking advertisement machine, when supporting the advertisement of car In-vehicle networking, can meet the mobile phone that the interior user of car uses built-in WiFi, and dull and stereotyped online online simultaneously can maximum meet 64 users online online simultaneously.This In-vehicle networking advertisement machine, can step on net registered user number by WiFi in detecting car, and automatic switchover TDD-LTE and FDD-LTE step on network by pattern.Mobile phone or flat board that passenger inside the vehicle can surf the Net with support WiFi, by this dual-network and dual-standby vehicular advertisement player, login 4G/3G network, connect internet, enjoy internet service on net, in addition, this In-vehicle networking advertisement machine, can be used as the audio-visual share service device of media, mobile phone, the flat board program in can accessing wirelessly server, and can directly pass through the supported media program of WiFi netcast, passenger inside the vehicle can also be by the free access of vehicular advertisement player hire a car public transport or touring car local service, accepts the information that this car provides and watches advertising service.
Detailed, this vehicular advertisement player is furnished with double-H groove weld-SIM card card slot, tackle respectively two kinds of network operations of FDD-LTE/WCDMA and TDD-LTE/TD-SCDMA, before energising start, need first to insert in machine, after start, enter Android start operation picture, enter browser, input local routing IP default addresses for use, enters router WEB configuration interface.The 2.4GHZ/5GHz WiFi two-frequency operation pattern of opening MIPS processor hardware router side is set, then open the two net standby modes of FDD-LTE/WCDMA and TDD-LTE/TD-SCDMA, system host CPU meeting Auto-Sensing 4G/3G network signal intensity RSSI value, if RSSI value is greater than 4G network signal basic value, keep 4GFDD-LTE/TDD-LTE to step on net standby mode, otherwise automatically switch to 3GWCDMA/TD-SCDMA, step on net standby mode.Under the two net standby modes of 4G, system will compare the RSSI value of 2 4G network signals, and the advertisement of background server issue, arrives advertisement machine by the Internet communication that in preferred car, 4G network signal is strong, to ensure the quick result of broadcast without time delay.At the two net standby modes of 4G, system will automatic detection vehicle in WiFi handset or dull and stereotyped user's number-of-registration, Ruo Chenei WiFi registered user number is less than 14, the TDD-LTE that retains master cpu support steps on network by pattern, now WiFi communication is usingd 2.4GHz2T/2R300MBps WiFi module as soft ap mode work, and the FDD-LTE route that auxiliary MIPS processor is supported will be closed automatically; Ruo Chenei WiFi registered user number is greater than 50, keeps the two nets of 4G to step on network by pattern; Ruo Chenei WiFi registered user number is greater than 14, and is less than 50, keeps FDD-LTE to step on network by pattern, closes TDD-LTE network route, in the hope of power saving.
The In-vehicle networking advertisement machine of supporting dual-network and dual-standby 4G LTE wireless routing of the present invention, facilitates car owner to pass through the free publishing advertisement business of background server, brings ad revenue to car owner and rent-a-car company.Support multi-user in car, to enjoy the enjoyment of high speed Internet access simultaneously, thereby stimulate passenger to take advantage of a rate.Function of the present invention as shown in Figure 2, this In-vehicle networking advertisement machine can be placed in public transport big bus or tourist bus, take and meet to greatest extent the user that has a full house in car and surf the Net as target simultaneously, support the issue of In-vehicle networking advertising message simultaneously, bring ad revenue to car owner and rent-a-car company.In-vehicle networking advertisement machine will be supported FDD-LTE/WCDMA simultaneously, TDD-LTE/TD-SCDMA4G/3G online, based on MIPS processor and the two platform architectures of ARM4 core Cortex A7+GPU processor, built-in 2.4GHz/5GHz two-band WiFi module, built-in 32GB NAND FLASH, builds the In-vehicle networking advertisement machine that 19inch LCD shows.
The present invention, by ARM tetra-core processors and MIPS processor, wherein, is connected with USB interface by UART interface between described ARM tetra-core processors and MIPS processor; Described ARM tetra-core processors are connected with respectively a two pair WiFi module, TDD-LTE4G/3G double-standard communication module, power supervisor, power amplifier, LCD display, 2GB DDR3 internal memory and the NAND-Flash memories received of double frequency, wherein, described TDD-LTE double-standard communication module is connected with a U-SIM card slot, and described LCD display is connected with bias voltage backlight circuit; Described MIPS processor is connected with respectively the first single-frequency transmitting-receiving WiFi module, the second single-frequency 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 is connected with the 2nd U-SIM card slot, can, when supporting In-vehicle networking advertisement, support that in car, user gets online without being tethered to a cable by WiFi handheld device simultaneously.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed system of embodiment, owing to corresponding to the method disclosed in Example, so description is fairly simple, relevant part partly illustrates referring to method.
Professional can also further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these change and modification.
Claims (10)
1. a vehicle-mounted networking advertisement machine of supporting dual-network and dual-standby 4G LTE wireless routing, is characterized in that, comprising: ARM tetra-core processors and MIPS processor, be connected with USB interface by UART interface between described ARM tetra-core processors and MIPS processor;
A two pair WiFi module, TDD-LTE4G/3G double-standard communication module, power supervisor, power amplifier, LCD display, DDR3 internal memory and the NAND-Flash memories received of double frequency that are connected with described ARM tetra-core processors respectively, wherein, described TDD-LTE double-standard communication module and a U-SIM card slot, described LCD display is connected with bias voltage backlight circuit;
The the first single-frequency 2.4GHz transmitting-receiving WiFi module, the second single-frequency 5GHz transmitting-receiving WiFi module and the usb hub that are connected with described MIPS processor respectively, described usb hub is connected with FDD-LTE4G/3G double-standard communication module, and described FDD-LTE double-standard communication module is connected with the 2nd U-SIM card slot.
2. the vehicle-mounted networking advertisement machine of support 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 processors is connected with the Ethernet switch of MIPS processor by an ethernet PHY circuit module, described Ethernet switch is connected with a LAN interface, and described LAN interface is connected with a camera.
3. the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1, 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 of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1, is characterized in that, described ARM tetra-core processors are also connected with a SD card slot.
5. the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1, is characterized in that, described ARM tetra-core processors are also connected with a gravity sensor.
6. the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1, is characterized in that, described ARM tetra-core processors are also connected with a GPS locating module.
7. the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1, is characterized in that, described ARM tetra-core processors are ARM Cortex A7+GPU processor.
8. the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 1, is characterized in that, whether described ARM tetra-core processors are greater than preset value for monitoring 4G networking signal strength signal intensity RSSI value; If so, keep 4G to step on net standby mode; If not, be switched to 3G and step on net standby mode.
9. the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 8, it is characterized in that, described ARM tetra-core processors, also for when keeping 4G to step on net standby mode, relatively the 4G networking signal strength signal intensity RSSI value of TDD-LTE and FDD-LTE, selects high TDD-LTE or the FDD-LTE networking of signal strength signal intensity RSSI value, 4G networking to make transfer of data.
10. the vehicle-mounted networking advertisement machine of support dual-network and dual-standby 4G LTE wireless routing as claimed in claim 8, is characterized in that, described ARM tetra-core processors, and also for when keeping 4G to step on net standby mode, in monitoring car, WiFi steps on net registered user number,
When WiFi steps on net registered user number and is less than 14 in car, only by TDD-LTE networking, support the reception of vehicular advertisement player information to be connected with the online of WiFi mobile terminal in car;
In car, WiFi steps on net registered user number and is more than or equal to 14 and while being less than or equal to 50, only by FDD-LTE networking, supports the reception of vehicular advertisement player information to be connected with the online of WiFi mobile terminal in car;
When WiFi steps on net registered user number and is greater than 50 in car, by TDD-LTE networking, support the reception of vehicular advertisement player information, by TDD-LTE, support the online of WiFi mobile terminal in car to be connected with FDD-LTE networking simultaneously.
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| 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 |
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Also Published As
| Publication number | Publication date |
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| TW201519679A (en) | 2015-05-16 |
| TWI559795B (en) | 2016-11-21 |
| CN103546353B (en) | 2016-08-24 |
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