CN206807797U - Convergent terminal NMS based on multichannel GSM - Google Patents
Convergent terminal NMS based on multichannel GSM Download PDFInfo
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- CN206807797U CN206807797U CN201720603236.3U CN201720603236U CN206807797U CN 206807797 U CN206807797 U CN 206807797U CN 201720603236 U CN201720603236 U CN 201720603236U CN 206807797 U CN206807797 U CN 206807797U
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Abstract
The utility model discloses a kind of convergent terminal NMS based on multichannel GSM, and it includes display screen module, application processor module, satellite communication processor module, mobile communication public network module and mobile communication private network module；Described display screen module is connected by FPC connecting lines with the application processor module；The application processor module is connected by FPC connecting lines and power line with the satellite communication processor module；The application processor module is connected by FPC connecting lines and power line with the mobile communication public network module；The application processor module is connected by FPC connecting lines and power line with the mobile communication private network module.By implementation of the present utility model, it need to only load the NMS can in convergent terminal and solve the problems, such as the network management of convergent terminal, solve the problems, such as that user moves communication in a variety of usage scenarios using convergent terminal.
Description
Technical field
It the utility model is related to day and lead to No.1 satellite mobile communication system, 4G mobile communication public networks system, 4G mobile communication
Private network system field, and in particular to a kind of convergent terminal (car/boat-carrying, data acquisition, just based on multichannel GSM
Take, hold, individual soldier's terminal) NMS.
Background technology
Its logical No.1 satellite mobile communication system, is the satellite mobile communication system of China's independent development construction, Ye Shiwo
The important component of state's dimensional information's basic installation.System is made up of space segment, ground segment and user terminal, space segment plan
It is made up of more geostationary orbit moving communication satellites.
22 divide during August in 2016 6 days 0, and day successfully is led into the star of No.1 01 in Xichang Launching Site launches, this
It is the starting star of China's satellite mobile communication system, supports speech, short message and data service.
4G GSMs are more using the global most advanced professional broadband of wireless communication technology TD-LTE exploitation designs
Media system, throw the net in network one, using a frequency, by a terminal, professional voice communication can be provided simultaneously, cluster leads to
Letter, video dispatching, data operation, video monitoring service, while have in security, reliability, scalability of network etc.
There is powerful technical advantage.Current three big mobile operator has built up covering extensively, and the movements of the 4G based on LTE of signal stabilization are public
Network communication system.Additionally by professional frequency range is set, user oneself can also set up the 4G movement private network communications system based on LTE
System, is widely used in multiple industries and the fields such as public security, People's Armed Police, communications and transportation, forest fire protection, the energy, wireless government affairs.
Three big communication system of the above has each different advantage and disadvantage.Its logical No.1 GSM advantage is to cover at present
The relative region such as China and periphery, the Middle East, Africa, and the Pacific Ocean, Indian Ocean major part marine site, can provide the user whole day
Time, round-the-clock, reliable and stable mobile communication service, but shortcoming is that post and telecommunication tariff is higher, will if carrying out long-time video communication
Produce high communication cost.4G mobile public network communication system advantages be the covering of Economic contrast developed regions is wide, signal stabilization,
Primary construction fund input is few；Shortcoming is remote mountain areas and building compact district, does not carry out signal covering or signal difference, makes for a long time
With being also that no small rate are paid.4G movement private network communication system advantages are covering user designated areas as needed, are taken
With very low or do not have, shortcoming is that primary construction is costly.
Utility model content
The utility model overcomes the deficiencies in the prior art, there is provided a kind of fusion based on multichannel GSM is whole
Hold NMS.Lead to No.1 satellite mobile communication system, 4G mobile communication public network systems and 4G to stay in uncertain day
In the case that mobile communication private network system covers signal strength or whether there is, the comprehensive user that solves safeguards easy to use, saving
The market demands such as fund, data safety or signal stabilization and carry out more application scenarios problems of network management setting.
To solve above-mentioned technical problem, the utility model uses following technical scheme：
A kind of convergent terminal NMS based on multichannel GSM, it includes display screen module, answered
With processor module, satellite communication processor module, mobile communication public network module and mobile communication private network module；Described is aobvious
Display screen module is connected by FPC connecting lines with the application processor module；The application processor module passes through FPC connecting lines
It is connected with power line with the satellite communication processor module；The application processor module passes through FPC connecting lines and power line
It is connected with the mobile communication public network module；The application processor module by FPC connecting lines and power line with the shifting
Dynamic communication private network module connection.
Further technical scheme is that described mobile communication public network module is 4G mobile communication public network modules.
Further technical scheme is that described mobile communication private network module is 4G mobile communication private network modules.
Further technical scheme is also to include big dipper module, and the big dipper module connects with the application processor module
Connect.
Further technical scheme is also to include information storage module, and described information memory module is handled with the application
Device module connects.
Further technical scheme is the display screen module that described display screen module uses each convergent terminal to match.
Further technical scheme is that described application processor module is integrated with application interface, the application interface bag
Include：Digital RF interfaces, LCD interfaces, Camera interfaces, SD card interface, SIM card interface, UART interface, I2C interface, SPI interface
At least one of with USB interface.
Further technical scheme is that described satellite communication processor module includes：Communication processor and respectively with
NAND FLASH of the communication processor connection, SDR, RF Transceiver, miniature radio-frequency connector group；The RF
Transceiver is connected with the miniature radio-frequency connector group.
Further technical scheme is described 4G mobile communication public networks module selection LTE Mini PCIe modules；Institute
Stating the external application interface of 4G mobile communication public network modules includes：Mini PCIe interfaces, power interface, control signal interface, UART
Interface, USB interface, usim card interface, COBBAIF, NC interfaces and Reserved interfaces.
Further technical scheme is described 4G mobile communication private networks module selection LTE Mini PCIe modules；Institute
State 4G mobile communication private networks module and support two private network frequency ranges of 1.4GHz and 1.8GHz；The 4G mobile communication private network module is external
Application interface includes：Mini PCIe interfaces, power interface, control signal interface, UART interface, USB interface, usim card interface,
COBBAIF, NC interfaces and Reserved interfaces.
Compared with prior art, one of beneficial effect of the utility model embodiment is：By implementation of the present utility model,
The NMS can need to be only loaded in convergent terminal and solves the problems, such as the network management of convergent terminal, solve user
A variety of usage scenarios move communication using convergent terminal the problem of, solves user in a variety of usage scenarios using moving
The problem of needing different settings during communication function, the use cost of user is reduced, innovation proposes convergent terminal product
Network management solution.The NMS of the convergent terminal of the utility model design, can meet different product not
Same demand, user need to be only set to adapt to a variety of convergent terminal types, so as to realize the maximization of design compatibility, protected
The versatility and compatibility of solution are demonstrate,proved, is allowed to adapt to the exploitation of most of new product and the upgrading of existing product, so as to contract
In the cycle of short sawn timber exploitation, reduce the cost of product development.
Brief description of the drawings
Fig. 1 is the convergent terminal structured flowchart of the utility model one embodiment.
Fig. 2 is the convergent terminal NMS structural principle block diagram of the utility model one embodiment.
Fig. 3 is network management module menu schematic diagram in the utility model one embodiment.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Below in conjunction with the accompanying drawings and specific embodiment of the present utility model is described in detail embodiment.
In the following detailed description, many specific descriptions are described for illustrative purposes so as to thoroughly understand institute
Disclosed embodiment, it is clear, however, that one or more embodiments can be in the case of without using these specific descriptions
Implement, in other instances, known structure and device are schematically shown, to simplify accompanying drawing.
As depicted in figs. 1 and 2, according to one embodiment of the present utility model, the present embodiment discloses one kind and is based on multichannel
The convergent terminal NMS of GSM, specifically, the system is mainly by display screen module, application processor mould
Block, satellite communication processor module, 4G mobile communication public network modules and 4G mobile communication private networks module composition.Wherein, it is described
Display screen module uses the display screen module that each convergent terminal matches, and includes touch-screen control unit.The display screen module
It is connected by the connector with application processor module, the power pack of display screen module is provided by application processor module.Tool
Body, the display screen module is attached by MIPI EBIs with application processor module.Touch screen circuitry passes through I2C
Bus is communicated with application processor module.Application processor module several GPIO mouths composition to display screen module reset and
The control port of interrupt requests function.
As shown in Fig. 2 application processor module described in the present embodiment is the CPU of whole convergent terminal, it is responsible for controlling it
The work of his module and user's human-computer interactive control, application processor module include be connected with other modules total interface, in
The chief components such as central processor, PMU.Specifically, application processor module is using central processing unit as core,
Ancillary equipment is formed using PMU, DDR, EMMC.In the present embodiment, application processor module is integrated with many application interfaces, bag
Include digital RF interfaces, LCD interfaces, Camera interfaces, SD card interface, SIM card interface, and general UART, I2C, SPI, USB
Deng interface.Central processing unit Peripheral storage module DDR and EMMC use MCP, and the software section of equipment operates in the fractional hardware
On circuit.PMU, which uses, to be responsible for application processor module circuit part itself, display screen module, satellite communication
Manage the power supply management of device module, 4G mobile communication public networks module, 4G mobile communication private network modules etc..
Satellite communication processor module described in the present embodiment includes communication processor, NAND FLASH, SDR, RF
Transceiver, miniature radio-frequency connector group etc. form.Communication processor uses the satellite baseband communication chip of certain unit；It is excellent
Choosing, SDR described in the present embodiment and NAND use MCP, and it is soft that this part and communication processor collectively constitute satellite communication part
The minimum unit of part operation.RF Transceiver use the RF transceiver chip of certain unit, are designed with radio-frequency receiving-transmitting chain
Passage, switched by radio-frequency receiving-transmitting and be connected with miniature radio-frequency connector group.
Specifically, the public network modules of 4G mobile communication described in the present embodiment support the whole network to lead to, antenna divides primary antenna and auxiliary day
Line two-way, module output radio frequency output interface is Ipex mouths, and antennal interface is pex interfaces+cable.FPC antenna built in antenna need
Or on housing face-plate.External application interface includes：Mini PCIe interfaces, power interface, control signal interface, UART
Interface, USB interface, usim card interface, COBBAIF, NC interfaces, Reserved interfaces.
Further, the private networks of 4G mobile communication described in the present embodiment module supports two private network frequencies of 1.4GHz and 1.8GHz
Section, antenna divide primary antenna and auxiliary antenna two-way, and module output radio frequency output interface be Ipex mouths, antennal interface for pex interfaces+
cable.FPC antenna built in antenna need is prevented on housing face-plate.External application interface includes：Mini PCIe interfaces, power supply
Interface, control signal interface, UART interface, USB interface, usim card interface, COBBAIF, NC interfaces, Reserved interfaces.
Specifically, the present embodiment carries out channel selecting logic by application processor module, the mechanism is according to satellite communication
Processor module, 4G mobile communication public networks module, 4G mobile communication private networks three communication modules of module usim card interface,
The control signal states such as WAKE# interfaces, WAKEUP_IN interfaces, USIM_DET interfaces, LED_WWAN# interfaces, by application processor
Module is managed collectively communication module, and operate interface is provided for other applications, and shields the module of concrete operations, makes other
Application program is only concerned calling, and without which specifically chosen module be concerned about, without be concerned about how assurance module it is smooth
Switching.Network management strategy is a variety of usage scenarios of following user at present, can also extend a variety of strategies.Once pass through network
Management module selection setting, setting can not be changed automatically by restarting convergent terminal, unless human intervention or factory reset.
As shown in figure 3, Fig. 3 is the menu schematic diagram of the network management module of the present embodiment, the network management module
Three communication network setting options priority are：Communication network 1>Communication network 2>Communication network 3.User is passing through network management
When module carries out network settings selection, if the communication system that communication network 1 is selected, in communication network 2 in setting options
No longer show, only show remaining 2 communication systems, communication network 2 and the setting options of communication network 3 are by that analogy.It is if logical
Communication network 1 sets " not selecting communication system ", then communication network 2 then shows 3 communication system options, communication network 2 and communication
The setting options of network 3 are by that analogy.Therefore, satellite communication, 4G mobile communication public network, 4G mobile communication private network system can not repeat
Selection.Once setting, network management module can not change automatically, unless resetting or factory reset.As shown in figure 3,
If wherein dotted line frame represents that previous communication network setting options are chosen, do not shown in latter communication network setting options, if preceding
One communication network setting options are not chosen, then are shown in latter communication network setting options.
Specifically, when user selects three communication network scenes：
According to saving financial need, user can be successively by network management module to communication network 1, communication network 2, logical
The setting options of communication network 3 set respectively selection 4G mobile communication private network, 4G mobile communication public network, satellite communication network wherein certain
One communication system and form certain sequencing.Once setting formation order, when convergent terminal is started shooting or restarted, search network is pressed
This sequential loop is carried out.If communication system set by communication network 1 meets following two steps requirement, just stop down search communication
Network, if communication system set by communication network 1 can not meet following two steps requirement, automatically select set by communication network 2
The communication system put, communication network 2 and communication network 3 search for network by that analogy, if communication system set by communication network 3
Following two steps requirement is unsatisfactory for, then returns to the communication system search network set by communication network 1.With this sequential loop, advising
Fix time untill searching suitable communication system in limit value, then WAKEUP_IN interfaces wake up corresponding communication module.Exceed
Time limit value, if not searching any one communication system, by application processor module make 4G mobile communication private networks module,
4G mobile communication public networks module, satellite communication module whole auto sleep.Until occurring meeting a certain logical of following two step conditions
The network signal of letter system, the WAKEUP_IN interfaces of the communication network module are made to wake up corresponding communication module.If go out simultaneously
Existing two or three communication system signals for meeting following two step conditions, the then communication network set with network management module are preferential
Power carries out the web search of communication system.If convergent terminal is just being operated in priority than relatively low communication system, occur logical
Believe that system priority is higher and when meeting the signal of following two step conditions, then switch to the communication system.If convergent terminal is just
Fall net in the communication system of work, then the communication system set by the order that network management is set in advance from communication network 1 is again
Start to search for network.Once setting, network management setting options can not change automatically, unless resetting order or recovering to dispatch from the factory
Set.
The first step：Detected whether usim card, card whether normal use, if being unable to normal use without usim card or card,
Then without second step；
Second step：It is strong and weak to detect LED_WWAN# interface signals, if satisfaction uses limit value, the WAKEUP_ if meeting
IN interfaces wake up corresponding communication module, if be unsatisfactory for, by this two steps search and detect next communication of setting
Module.
Two communication network scenes are selected when possessing：
, can also be by network management module to communication network 1, communication network according to signal data safety and stable needs
2nd, the two of which of the setting options of communication network 3 selects to set satellite communication, 4G mobile communication public network, 4G mobile communication respectively
Private network wherein some communication system, a remaining communication network set selection to set " not selecting communication system ".Therefore, wherein
Two selected communication systems form certain sequencing, and a remaining communication network module is constantly in resting state.
Convergent terminal then presses this sequencing, to select communication network similar to " three communication network scenes of selection " web search mechanism
Network, priority switch and the communication system to work are fallen net and searched again when web search time restriction, communication system work
Rope network mechanism is also similar.
When user selects 1 communication network scene：
According to signal data safety and stable needs, can also by network management module to the setting options of communication network 1,
The setting options of communication network 2, the selection of one of setting options of the setting options of communication network 3 set satellite communication, 4G movements
Communicate public network, 4G mobile communication private network wherein some communication system, and remaining two communication networks set all selections to set and " do not selected
Select communication system ", remaining two communication network modules are all constantly in resting state.Searched for always in stipulated time limit value
The communication system being set, untill searching, then WAKEUP_IN interfaces wake up corresponding communication module.Beyond the time
Limit value, if not searching the communication system, whole auto sleeps together with two communication modules of the communication module and other, directly
Network signal occur to the communication network makes communication network module WAKEUP_IN interfaces wake up corresponding communication module.If
Just fall net at work, then only restart to search for the communication system, do not search for other two communication systems.
Specifically, the satellite communication processor module that convergent terminal described in the present embodiment uses is connect using mini PCIe
The form of mouth is connected with application processor.Pass through control signal, speech channel between application processor and satellite communication module
Connected with data channel.Wherein, control signal is made up of four GPIO mouths, controls stopping for CP satellite communication modules and AP modules
Dormancy arousal function；Data channel uses UART3 interfaces, and application processor module between this passage and satellite communication module by passing
Transmission of data and reception data command etc., because UART3 interfaces are and 4G mobile communication public networks module, 4G mobile communication private network modules
Multiplexing, therefore used a switching switch to switch over and used；Speech channel uses pcm interface, in audio CODEC and communication
Intermodule exchanges digital speech, because CODEC is connected with multichannel PCM input signals, therefore adds between more than one
Road multiplex switch carries out the switching of PCM phonetic entry output signal channels.
Specifically, the 4G mobile communication public network modules that convergent terminal described in the present embodiment uses, realize mobile data public affairs
Network Communication.4G mobile communication public networks module is connected using the form of mini PCIe interfaces with application processor.Application processor
Connected between 4G mobile communication modules by control passage, speech channel with data channel.Wherein, control passage uses
UART3 interfaces, application processor module send control instruction to communication module by this passage and receive instruction feedback, due to
UART3 interfaces be with satellite communication module, 4G mobile communication private network module reuses, therefore used a switching switch to be cut
Change use；Data channel uses USB interface, and business datum is exchanged between application processor module and communication module.Due to UART3
Interface be with 4G mobile communication public networks module, 4G mobile communication private network module reuses, therefore used one switching switch into
Row switching uses；Speech channel uses pcm interface, digital speech is exchanged between audio CODEC and communication module, due to CODEC
Multichannel PCM input signals are connected with, therefore adds a multiplexer switch between and carries out PCM phonetic entry outputs
The switching of signalling channel.
Specifically, the 4G mobile communication private network modules that convergent terminal described in the present embodiment uses, realize that mobile data is special
Network Communication.4G mobile communication private networks module is connected using the form of mini PCIe interfaces with application processor.Application processor
Connected between 4G mobile communication modules by control passage, speech channel with data channel.Wherein, control passage uses
UART3 interfaces, application processor module send control instruction to communication module by this passage and receive instruction feedback, due to
UART3 interfaces be with satellite communication mould, 4G mobile communication public network module reuses, therefore used a switch to switch over and make
With；Data channel uses USB interface, and business datum is exchanged between application processor module and communication module.Due to UART3 interfaces
Be with 4G mobile communication public networks module, 4G mobile communication private network module reuses, therefore used a switching switch to be cut
Change use；Speech channel uses pcm interface, and digital speech is exchanged between audio CODEC and communication module, due to CODEC connections
There are multichannel PCM input signals, therefore add a multiplexer switch between and carry out PCM phonetic entry output signals
The switching of passage.
The implementation of the present embodiment, it need to only load the NMS can of the invention designed in convergent terminal and solve to melt
The problem of closing the network management of terminal, solves user and moves asking for communication using convergent terminal in a variety of usage scenarios
Topic, solves the problems, such as that user needs different settings when a variety of usage scenarios are using mobile communication function, reduces user
Use cost, innovation proposes convergent terminal product network rwan management solution RWAN.The convergent terminal of the present embodiment design
NMS, can meet the different demands of different product, and user need to be only set to adapt to a variety of convergent terminals
Type, so as to realize the maximization of design compatibility, ensure the versatility and compatibility of solution, it is most of new to be allowed to adaptation
The exploitation of product and the upgrading of existing product, so as to shorten the cycle of product development, reduce the cost of product development.
" one embodiment " for being spoken of in this manual, " another embodiment ", " embodiment " etc., refer to combining
Specific features, structure or the feature of embodiment description are included at least one embodiment of the application generality description.
It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Furthermore, it is understood that with reference to any
When individual embodiment describes a specific features, structure or feature, what is advocated is this to realize with reference to other embodiment
Feature, structure or feature also fall in the scope of the utility model.
Although reference be made herein to the utility model is described multiple explanatory embodiments of utility model, still, should
The understanding, those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will
Fall within spirit disclosed in the present application and spirit.More specifically, in the model of disclosure, drawings and claims
In enclosing, a variety of variations and modifications can be carried out to the building block and/or layout of theme combination layout.Except to building block
And/or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also will be apparent.
Claims (10)
1. a kind of convergent terminal NMS based on multichannel GSM, it includes display screen module, application
Processor module, satellite communication processor module, mobile communication public network module and mobile communication private network module；Its feature exists
In：Described display screen module is connected by FPC connecting lines with the application processor module；The application processor module is led to
FPC connecting lines and power line is crossed to be connected with the satellite communication processor module；The application processor module is connected by FPC
Line and power line are connected with the mobile communication public network module；The application processor module passes through FPC connecting lines and power line
It is connected with the mobile communication private network module.
2. the convergent terminal NMS according to claim 1 based on multichannel GSM, its feature
It is that described mobile communication public network module is 4G mobile communication public network modules.
3. the convergent terminal NMS according to claim 1 or 2 based on multichannel GSM, it is special
Sign is that described mobile communication private network module is 4G mobile communication private network modules.
4. the convergent terminal NMS according to claim 1 based on multichannel GSM, its feature
It is also to include big dipper module, the big dipper module is connected with the application processor module.
5. the convergent terminal NMS according to claim 1 based on multichannel GSM, its feature
It is also to include information storage module, described information memory module is connected with the application processor module.
6. the convergent terminal NMS according to claim 1 based on multichannel GSM, its feature
It is the display screen module that described display screen module uses each convergent terminal to match.
7. the convergent terminal NMS according to claim 1 based on multichannel GSM, its feature
It is that described application processor module is integrated with application interface, the application interface includes：Digital RF interfaces, LCD interfaces,
At least one of Camera interfaces, SD card interface, SIM card interface, UART interface, I2C interface, SPI interface and USB interface.
8. the convergent terminal NMS according to claim 1 based on multichannel GSM, its feature
It is that described satellite communication processor module includes：Communication processor and the NAND being connected respectively with the communication processor
FLASH, SDR, RF Transceiver, miniature radio-frequency connector group；The RF Transceiver connect with the miniature radio-frequency
Plug-in unit group connects.
9. the convergent terminal NMS according to claim 2 based on multichannel GSM, its feature
It is described 4G mobile communication public networks module selection LTE Mini PCIe modules；The 4G mobile communication public network module is external
Application interface includes：Mini PCIe interfaces, power interface, control signal interface, UART interface, USB interface, usim card interface,
COBBAIF, NC interfaces and Reserved interfaces.
10. the convergent terminal NMS according to claim 3 based on multichannel GSM, its feature
It is described 4G mobile communication private networks module selection LTE Mini PCIe modules；The 4G mobile communication private network module is supported
Two private network frequency ranges of 1.4GHz and 1.8GHz；The external application interface of the 4G mobile communication private network module includes：Mini PCIe connect
Mouth, power interface, control signal interface, UART interface, USB interface, usim card interface, COBBAIF, NC interfaces and
Reserved interfaces.
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| CN201720603236.3U CN206807797U (en) | 2017-05-26 | 2017-05-26 | Convergent terminal NMS based on multichannel GSM |
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| CN201720603236.3U CN206807797U (en) | 2017-05-26 | 2017-05-26 | Convergent terminal NMS based on multichannel GSM |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988992A (en) * | 2018-08-28 | 2018-12-11 | 中国水产科学研究院渔业机械仪器研究所 | A kind of fishing boat Adaptive Transmission contents selection and communication network switching system |
| CN109412675A (en) * | 2018-09-27 | 2019-03-01 | 南京凯瑞得信息科技有限公司 | Boat-carrying network and device resource control method based on satellite communication |
| CN109835369A (en) * | 2019-04-10 | 2019-06-04 | 天津华泽瑞威信息技术有限公司 | A kind of the on-vehicle safety maintenance communications platform and its implementation of the train protection warning function based on LTE-R network |
| CN111262616A (en) * | 2020-01-15 | 2020-06-09 | 广州爱浦路网络技术有限公司 | User data switching device and switching method for low-orbit satellite gateway station |
| CN113552818A (en) * | 2020-04-24 | 2021-10-26 | 京东方科技集团股份有限公司 | Communication module |
-
2017
- 2017-05-26 CN CN201720603236.3U patent/CN206807797U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988992A (en) * | 2018-08-28 | 2018-12-11 | 中国水产科学研究院渔业机械仪器研究所 | A kind of fishing boat Adaptive Transmission contents selection and communication network switching system |
| CN109412675A (en) * | 2018-09-27 | 2019-03-01 | 南京凯瑞得信息科技有限公司 | Boat-carrying network and device resource control method based on satellite communication |
| CN109835369A (en) * | 2019-04-10 | 2019-06-04 | 天津华泽瑞威信息技术有限公司 | A kind of the on-vehicle safety maintenance communications platform and its implementation of the train protection warning function based on LTE-R network |
| CN111262616A (en) * | 2020-01-15 | 2020-06-09 | 广州爱浦路网络技术有限公司 | User data switching device and switching method for low-orbit satellite gateway station |
| CN113552818A (en) * | 2020-04-24 | 2021-10-26 | 京东方科技集团股份有限公司 | Communication module |
| CN113552818B (en) * | 2020-04-24 | 2024-03-22 | 京东方科技集团股份有限公司 | Communication module |
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