CN109039430A - Meet airborne wireless access system, the device and method of a variety of access modules simultaneously - Google Patents
Meet airborne wireless access system, the device and method of a variety of access modules simultaneously Download PDFInfo
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- CN109039430A CN109039430A CN201810941754.5A CN201810941754A CN109039430A CN 109039430 A CN109039430 A CN 109039430A CN 201810941754 A CN201810941754 A CN 201810941754A CN 109039430 A CN109039430 A CN 109039430A
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- 238000012423 maintenance Methods 0.000 claims description 9
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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Abstract
The invention discloses the airborne wireless access system, the device and method that meet a variety of access modules simultaneously, for deficiency and defect of the existing airborne equipment based on WLAN and LTE technology of above description in aircraft application, there is provided while meeting the airborne wireless access device and method of a variety of access modules, WLAN and LTE module have been all integrated into a system, and carried out configuration and data forwarding using the same cpu system.Judgment condition as equipment operating mode is configured by discrete magnitude, using soft handoff, equipment is allowed to be worked respectively in WLAN-AP mode perhaps Station mode or LTE UE mode.It is one kind by two kinds of equipment normalizings for using function different with scene on former aircraft, reduces aircraft for communication equipment quantity demand, improve capacity utilization, reduce cost, reduce aircraft and add repacking work difficulty.Particularly with some Small Civil passenger planes, reducing number of devices not only reduces cost, even more has positive effect to mitigation aircraft weight bearing.
Description
Technical field
The present invention relates to airborne wireless communications, and in particular to while meeting the airborne wireless access system of a variety of access modules
System, device and method.
Background technique
With development communication technologies, wireless communication technique now be used widely aboard by application.Current
The equipment based on WLAN and 3G, LTE technology is equipped on various large aircrafts.Application there are two types of this kind of equipment is general, the
Airplane data, as the external wireless interface of aircraft information system, can be wirelessly transmitted to airport as terminal pattern by a kind of equipment
Core network.Second of equipment provides wireless interface by WLAN technology and accesses vehicle entertainment to main cabin passenger as ap mode
System, or maintenance and crew are provided, aircraft information system maintenance is logged in by this interface.Currently based on WLAN and 3G, LTE
The equipment of technology needs the airborne equipment of two kinds of various configurations to meet for two kinds of scenes as described above, equipment efficiency of usage
Low with communication efficiency, equipment use cost and aircraft add repacking at high cost, and can increase weight to aircraft.The first equipment is as terminal
Mode uses, and installation site can only generally be installed to aircraft electronic cabin, and needs not only to bring biggish individually by antenna pulling away
Coaxial cable loss, it is also necessary to which the aircraft of installation provides individual antenna installing hole position outside body, and cost is huge, cannot provide
Passenger cabin entertainment system access, or maintenance and crew are provided, aircraft information system maintenance is logged in by this interface.Second of work
Main cabin passenger access entertainment systems can only be provided for the equipment of ap mode, LTE UE mode cannot be supported to provide airplane information and pass
Defeated, the scope of application is limited, is unable to satisfy equipment as terminal pattern and accesses airport WLAN and LTE network demand.
Summary of the invention
The present invention is directed to deficiency of the existing airborne equipment based on WLAN and LTE technology of above description in aircraft application
And defect, the airborne wireless access device and method of a variety of access modules are provided while being met, is met simultaneously by an equipment
Above two application scenarios.Airborne equipment communication efficiency and utilization efficiency are improved, greatly simplify aircraft adds repacking work, saves
Cost, and help centering air minibus loss of weight requirement.
The present invention is achieved through the following technical solutions:
Meet the airborne wireless access systems of a variety of access modules simultaneously, including CPU SYSTEM, ANT device antenna,
WLAN mould group, LTE mould group, SWITCH chip, DISCRETE chip and POWER power supply module, in which: POWER power supply module, with
CPU SYSTEM, ANT device antenna, WLAN mould group, LTE mould group, SWITCH chip and DISCRETE chip are separately connected,
For being supplied for CPU SYSTEM, ANT device antenna, WLAN mould group, LTE mould group, SWITCH chip and DISCRETE chip
Electricity；ANT device antenna is connect respectively with the WLAN mould group and LTE Mo Zu, is realized radio frequency signal transmitting-receiving, is specifically used for
Radio frequency signal is received, and is transferred to the WLAN mould group and LTE mould group, is also used to receive the WLAN mould group and LTE mould
The radio frequency signal that group transmission comes, and launch；WLAN mould group and LTE mould group, connect with the CPU SYSTEM, realize
Radio frequency signal processing specifically for the radio frequency signal received is converted to digital signal, and is packaged into standard association
Data packet is discussed, then is transferred to the CPU SYSTEM, is also used to transmitting CPU SYSTEM into the data packet come being modulated to radio frequency hair
It penetrates on signal, and is transferred to the ANT device antenna；CPU SYSTEM, with the SWITCH chip, DISCRETE chip,
WLAN mould group and LTE Mo Zu are connected respectively, for respectively with SWITCH chip, DISCRETE chip, WLAN mould group and LTE mould group
Between carry out data mutual transmission, specifically, CPU SYSTEM receive WLAN mould group and LTE mould group transmission come data packet,
And it is transmitted to SWITCH chip, CPU SYSTEM receives the data packet that the transmission of SWITCH chip comes, and data packet is carried out digital-to-analogue
It is transferred to WLAN mould group and LTE mould group after conversion, is also used to receive the configuration signal that the DISCRETE chip transmission comes, and root
According to the configuration signal, the mutual switching that WLAN-AP mode, WLAN Station mode and LTE UE mode are configured；
SWITCH chip is connect, for receiving external ethernet data, being converted to data packet and being transferred to the CPU SYSTEM
CPU SYSTEM is also used to receive the data packet that CPU SYSTEM transmission comes, after encapsulating according to ICP/IP protocol, according to Ethernet
Standard output signals；DISCRETE chip is connect with the CPU SYSTEM, for receiving the discrete magnitude of external system input,
And it is converted to configuration signal and is transferred to CPU SYSTEM.
ANT device antenna realizes radio frequency signal transmitting-receiving in the present invention；It is realized by WLAN mould group and LTE mould group received
Wireless signal processing, will receive radiofrequency signal is digital signal, is packaged into standard agreement received data packet and is transmitted to CPU
SYSTEM, or the transmission data packet that CPU SYSTEM is sent is modulated on radio frequency transmissions；WLAN mould group and LTE mould
Group passes through multiple high-speed data channels or the high-speed data channel extended by it, such as PCIE or USB3.0 and CPU
SYSTEM is connected, and completes data between mould group and CPU SYSTEM and mutually transmits；CPU SYSTEM passes through the interface channel SerDes
Data are sended and received with the realization of SWITCH chip mutually to transmit；The CPU SYSTEM number that SWITCH chip interior receives oneself
It according to exchange, is externally exported by wired ethernet mouth, or Ethernet data is externally converted and is sent to CPU SYSTEM；POWER
Power supply module provides power supply for system；DISCRETE chip provides configuration signal for system, and configuration signal derives from device external
System inputs discrete magnitude, after DISCRETE chip receives discrete magnitude state, is done level translation, and send CPU to
SYSTEM, CPU SYSTEM inquire discrete magnitude allocation list corresponding states, to equipment WLAN-AP mode, WLAN Station mode
It carries out configuring mutual switching with LTE UE mode, different driving code is loaded to different mode, and enable to open or close
Hostapd configuration.In system construction, WLAN and LTE mould group a system is all integrated into, and use the same CPU
SYSTEM carries out configuration and data forwarding.The judgment condition as equipment operating mode is configured by discrete magnitude, uses soft handover
Mode allows equipment worked respectively in WLAN-AP mode perhaps Station mode or LTE UE mode.It will make on former aircraft
It is one kind with the function two kind equipment normalizings different with scene, reduces aircraft for communication equipment quantity demand, improving equipment makes
With rate, cost is reduced, aircraft is reduced and adds repacking work difficulty.Particularly with some Small Civil passenger planes, number of devices is reduced not
Cost is only reduced, even more has positive effect to mitigation aircraft weight bearing.
The present invention can be also used for non-main cabin access data, pass through WLAN and LTE technology in addition to accessing data for main cabin
To access the gateway of aircraft information system.
Further, while meeting the airborne wireless access systems of a variety of access modules, the LTE mould group is using simultaneous downwards
Hold 3G standard.
Further, while meeting the airborne wireless access systems of a variety of access modules, the WLAN mould group and LTE mould group
It is connect by multiple high-speed data channels or by its high-speed data channel extended with CPU SYSTEM.
Further, while meeting the airborne wireless access systems of a variety of access modules, the WLAN mould group and LTE mould group
It is connect by PCIE or USB3.0 with CPU SYSTEM.
Further, while meeting the airborne wireless access systems of a variety of access modules, the CPU SYSTEM passes through
The interface channel SerDes is connect with SWITCH chip, and CPU SYSTEM is connect by the interface channel SerDes and the realization of SWITCH chip
Data are received and send mutually to transmit.
Meet the airborne wireless access device of a variety of access modules, including shell simultaneously, day is arranged in the upper surface of outer cover
Line, the shell side setting panel leds, the first aerospace connectors and the second aerospace connectors, the interior of shell setting
Mainboard, be arranged on the mainboard processing module and the miniPCIE standard connector being separately connected with the processing module,
SWITCH chip, DISCRETE chip and veneer external connector also set up radio access module, WLAN mould on the mainboard
Group, LTE mould group and power module, the radio access module is connect with antenna, WLAN mould group and LTE mould group respectively, described
WLAN mould group, LTE Mo Zu are connect with miniPCIE standard connector respectively, and the veneer external connector is indicated with panel respectively
Lamp, the first aerospace connectors and the second aerospace connectors connection, the power module respectively with processing module, SWITCH chip,
DISCRETE chip, radio access module, WLAN mould group are connected with LTE mould group.
In equipment, radio access module and WLAN LTE mould group realize signal transmitting and receiving and communication protocol processes；Processing
Module realizes software processing, data forwarding function；SWITCH chip realizes data exchange and ethernet signal output function, can be defeated
1 tunnel or multichannel ethernet signal out；DISCRETE chip realizes discrete magnitude input and output control, for configuring equipment operating mode
Switching, it is possible to provide 1 tunnel or multichannel discrete magnitude interface；Veneer external connector is connector, is that the external input of various types of signal is defeated
Outgoing interface；Power module is each functional module power supply of system.
Further, while meeting the airborne wireless access devices of a variety of access modules, the processing module include CPU with
And Nor Flash and the DDR3 particle being connect with the CPU, wherein CPU respectively with the miniPCIE standard connector,
SWITCH chip, DISCRETE chip, veneer external connector are connected with power module, CPU, Nor Flash and DDR3 particle
Processing module is constituted, realizes software processing, data forwarding function.
The airborne wireless cut-in method for meeting a variety of access modules simultaneously, follows the steps below:
A, when aircraft needs to carry out main cabin communication or as ground maintenance access point, external discrete amount state is received,
It is configured by DISCRETE chip according to external discrete amount state reading discrete magnitude state and passes to CPU identification；
B, CPU inquires discrete magnitude allocation list and determines that equipment needs to configure state；
C, discrete magnitude state is configured to need to enter WLAN-AP mode, and CPU is by I/O mouthfuls of startings to radio communication mold group
Power switch carries out corresponding configuration, and software-driven layer loads the corresponding driver of WLAN mould group load ap mode, application layer
Hostapd configuration makes equipment work in ap mode；
D, when aircraft is needed to ground hot spot AP or LTE base station transmission data, external discrete amount state is received, by
DISCRETE chip configures according to external discrete amount state reading discrete magnitude state and passes to CPU identification；
E, CPU inquires discrete magnitude allocation list and determines that equipment needs to configure state；
F, discrete magnitude state is configured to need to enter WLAN Station mode or LTE UE mode, CPU pass through I/O mouthfuls
Starting carries out corresponding configuration to radio communication mold group power switch, when into Station mode, opens a WLAN mould group electricity
Source, driving layer load Station mode activated code and configuration to the mould group, hostapd configuration are closed, into LTE UE mode
When, CPU opens LTE mould group power supply, loads LTE driver to LTE mould group, makes equipment work in LTE mode.
When aircraft needs to carry out main cabin communication or when as ground maintenance access point, aircraft discrete magnitude passes through the second aviation
Connector and veneer external connector are input to DISCRETE chip, and DISCRETE chip is to defeated after discrete magnitude progress level conversion
Enter CPU.After CPU receives discrete magnitude state, discrete magnitude state allocation list is inquired, determines that equipment should be in any work
Mode.Corresponding software configuration switching is carried out, reloads the active configuration item of wireless module, and restarting equipment makes its work exist
Corresponding working state, and corresponding configuration is carried out to by power switch of the I/O function to wireless module, it closes under corresponding state not
Wireless module, wireless module include WLAN mould group and LTE mould group.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention while integrated WLAN mould group and LTE mould group, and every kind of mould group at least contains one；With a CPU
SYSTEM and a piece of exchanger chip, which can meet, had both supported WLAN-AP mode and STATION mode, can also support LTE UE mould
Formula, moreover it is possible to realize that WLAN mould group and LTE mould group work at the same time.
2, the present invention provides one or more input discrete magnitude for configuring equipment operating mode；Equipment operating mode uses
Soft handover reads discrete magnitude state by software and configures equipment operating mode, carries out the configuration of WLAN and LTE operating mode；
3, WLAN mould group and LTE mould group pass through the high-speed interfaces such as PCIE or USB and CPU progress data exchange in the present invention；
SWITCH chip carries out data exchange by SerDes interface and CPU, externally provides high speed Ethernet interface, promotes switching effect
Rate shortens the response time.
4, present device is integrated with antenna, while supporting WLAN working frequency range and LTE working frequency range, the present invention in addition to
Data are accessed in main cabin, non-main cabin access data is can be also used for, aircraft information system is accessed by WLAN and LTE technology
Gateway.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the signal diagram for meeting the airborne wireless access system of a variety of access modules in the present invention simultaneously；
Fig. 2 is the mainboard architecture diagram for meeting the airborne wireless access device of a variety of access modules in the present invention simultaneously；
Fig. 3 is the complete machine and interface signal for meeting the airborne wireless access device of a variety of access modules in the present invention simultaneously
Figure.
Label and corresponding parts title in attached drawing:
11-WLAN mould group, 12-LTE mould group, 2-miniPCIE standard connector, 3-CPU, 4-Nor Flash, 5-DDR3
Particle, 6-SWITCH chip, 7-DISCRETE chip, 8- veneer external connector, 9- power module, 21- antenna, 22- panel
Indicator light, the second aerospace connectors of 23-, the first aerospace connectors of 24-.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1, meeting the airborne wireless access system of a variety of access modules simultaneously, including CPU SYSTEM, ANT are set
Standby antenna, WLAN mould group, LTE mould group, SWITCH chip, DISCRETE chip and POWER power supply module, in which: POWER power supply
Module, with CPU SYSTEM, ANT device antenna, WLAN mould group, LTE mould group, SWITCH chip and DISCRETE chip point
It does not connect, for being CPU SYSTEM, ANT device antenna, WLAN mould group, LTE mould group, SWITCH chip and DISCRETE
Chip power supply；ANT device antenna is connect respectively with the WLAN mould group and LTE Mo Zu, realizes radio frequency signal transmitting-receiving, tool
Body is transferred to the WLAN mould group and LTE mould group for receiving radio frequency signal, be also used to receive the WLAN mould group and
The radio frequency signal that the transmission of LTE mould group comes, and launch；WLAN mould group and LTE mould group connect with the CPU SYSTEM
It connects, the WLAN mould group and LTE mould group pass through multiple high-speed data channels or the high-speed data channel and CPU that extend by it
SYSTEM connection, in the following way, the WLAN mould group and LTE mould group pass through PCIE or USB3.0 and CPU to the present embodiment
Radio frequency signal processing is realized in SYSTEM connection, and the LTE mould group uses backward compatible 3G standard, is specifically used for receive
To radio frequency signal be converted to digital signal, and be packaged into standard Protocol Data packet, then be transferred to the CPU SYSTEM,
It is also used to CPU SYSTEM transmitting the data packet come and be modulated on radio frequency transmissions, and be transferred to the ANT device antenna；
CPU SYSTEM is connect respectively with the SWITCH chip, DISCRETE chip, WLAN mould group and LTE Mo Zu, for respectively with
The mutual transmission that data are carried out between SWITCH chip, DISCRETE chip, WLAN mould group and LTE mould group, specifically, CPU
The data packet that SYSTEM receives WLAN mould group and the transmission of LTE mould group comes, and it is transmitted to SWITCH chip, CPU SYSTEM is received
The data packet that the transmission of SWITCH chip comes, and it is transferred to WLAN mould group and LTE mould group after data packet is carried out digital-to-analogue conversion, also use
The configuration signal of coming is transmitted in receiving the DISCRETE chip, and according to the configuration signal, to WLAN-AP mode, WLAN
The mutual switching that Station mode and LTE UE mode are configured；SWITCH chip is connect, institute with the CPU SYSTEM
State CPU SYSTEM and connect with SWITCH chip by the interface channel SerDes, CPU SYSTEM pass through the interface channel SerDes and
The realization of SWITCH chip sends and receivees data and mutually transmits, and SWITCH chip is converted to for receiving external ethernet data
Data packet is simultaneously transferred to CPU SYSTEM, is also used to receive the data packet that CPU SYSTEM transmission comes, seals according to ICP/IP protocol
After dress, according to ethernet standard output signal；DISCRETE chip is connect, for receiving external system with the CPU SYSTEM
The discrete magnitude of system input, and be converted to configuration signal and be transferred to CPU SYSTEM.
ANT device antenna realizes radio frequency signal transmitting-receiving in the present invention；It is realized by WLAN mould group and LTE mould group received
Wireless signal processing, will receive radiofrequency signal is digital signal, is packaged into standard agreement received data packet and is transmitted to CPU
SYSTEM, or the transmission data packet that CPU SYSTEM is sent is modulated on radio frequency transmissions；WLAN mould group and LTE mould
Group passes through multiple high-speed data channels or the high-speed data channel extended by it, such as PCIE or USB3.0 and CPU
SYSTEM is connected, and completes data between mould group and CPU SYSTEM and mutually transmits；CPU SYSTEM passes through the interface channel SerDes
Data are sended and received with the realization of SWITCH chip mutually to transmit；The CPU SYSTEM number that SWITCH chip interior receives oneself
It according to exchange, is externally exported by wired ethernet mouth, or Ethernet data is externally converted and is sent to CPU SYSTEM；POWER
Power supply module provides power supply for system；DISCRETE chip provides configuration signal for system, and configuration signal derives from device external
System inputs discrete magnitude, after DISCRETE chip receives discrete magnitude state, is done level translation, and send CPU to
SYSTEM, CPU SYSTEM inquire discrete magnitude allocation list corresponding states, to equipment WLAN-AP mode, WLAN Station mode
It carries out configuring mutual switching with LTE UE mode, different driving code is loaded to different mode, and enable to open or close
Hostapd configuration.
In system construction, WLAN and LTE mould group a system is all integrated into, and use the same CPU SYSTEM
Carry out configuration and data forwarding.It is allowed by the judgment condition that discrete magnitude is configured as equipment operating mode using soft handoff
Equipment is worked respectively in Wlan ap mode perhaps Station mode or LTE UE mode.Function will be used on former aircraft
The two kind equipment normalizings different with scene are one kind, reduce aircraft for communication equipment quantity demand, improve capacity utilization, drop
Low cost reduces aircraft and adds repacking work difficulty.Particularly with some Small Civil passenger planes, reducing number of devices is not only reduced into
This, even more has positive effect to mitigation aircraft weight bearing.
The present invention can be also used for non-main cabin access data, pass through WLAN and LTE technology in addition to accessing data for main cabin
To access the gateway of aircraft information system.
Embodiment 2
As shown in Figure 2 to Figure 3, while meeting the airborne wireless access devices of a variety of access modules, including shell, it is described outer
Antenna, the shell side setting panel leds, the first aerospace connectors and the second aerospace connectors, institute is arranged in shell upper surface
State interior of shell setting mainboard, the miniPCIE that processing module is set and is separately connected with the processing module on the mainboard
Standard connector, SWITCH chip, DISCRETE chip and veneer external connector also set up wireless access mould on the mainboard
Block, WLAN mould group, LTE mould group and power module, the radio access module connect with antenna, WLAN mould group and LTE mould group respectively
Connect, the WLAN mould group, LTE Mo Zu are connect with miniPCIE standard connector respectively, the veneer external connector respectively with
Panel leds, the first aerospace connectors and the second aerospace connectors connection, the power module respectively with processing module,
SWITCH chip, DISCRETE chip, radio access module, WLAN mould group are connected with LTE mould group, and the processing module includes
CPU and Nor Flash and the DDR3 particle being connect with the CPU, wherein CPU respectively with the miniPCIE standard connection
Device, SWITCH chip, DISCRETE chip, veneer external connector are connected with power module, CPU, Nor Flash and DDR3
Grain constitutes processing module, realizes software processing, data forwarding function.
In equipment, for CPU using CN6020 series, Nor Flash uses MT28EWQLLP01G, and DDR3 particle uses
The WLE900VX mould group that MT41K25M, WLAN mould group use uses high pass QCA9890 chip；LTE mould group uses MC7430 mould group,
SWITCH chip uses Marvell 88E6165, and DISCRETE chip uses Hi8425, and power module uses 115V AC&28V
DC, radio access module support WiFi and LTE communication standard, antenna to support WLAN and LTE working frequency range, device panel to refer to simultaneously
Show lamp indicating equipment power supply status, WLAN working condition, LTE working condition, the normal/abnormal state of equipment, Ethernet work shape
State；Second aerospace connectors provide the input and output such as power supply, discrete magnitude；First aerospace connectors provide high speed Ethernet signal
External interface, radio access module and WLAN LTE mould group realize signal transmitting and receiving and communication protocol processes；Processing module is real
Existing software processing, data forwarding function；SWITCH chip realizes data exchange and ethernet signal output function, exportable 1 tunnel
Or multichannel ethernet signal；DISCRETE chip realizes discrete magnitude input and output control, for configuring the switching of equipment operating mode,
It can provide 1 tunnel or multichannel discrete magnitude interface；Veneer external connector is connector, is that the external input and output of various types of signal connect
Mouthful；Power module is each functional module power supply of system.
The course of work of this equipment is as follows: wireless signal enters wireless module packet shown in Fig. 2 by antenna shown in Fig. 3
WLAN mould group or LTE mould group are included, WLAN mould group or LTE mould group carry out signal digital-to-analogue conversion, Digital Signal Processing, wireless signal
In data packet be converted to PCIE bus identification packing forms, by PCIE bus via miniPCIE standard connector transmit
To the processing module being made of CPU, Nor Flash in Fig. 2 and DDR3 particle, the data packet that processing module receives PCIE is led to
The SWITCH chip that SerDes interface is transmitted in Fig. 2 is crossed, data packet is required to encapsulate by SWITCH chip according to ICP/IP protocol,
The second aviation shown in Fig. 3 of same back panel connector is transmitted to by veneer external connector in Fig. 2 according to ethernet standard
Connector, external output signal.Signal transmission process is reverse with receive process, and external ethernet data are connected by the second aviation
Device input, arrives SWITCH chip, and SWITCH chip converts SerDes bus data format for data, is sent to CPU, and CPU is changed into
PCIE bus format data are sent to wireless module via miniPCIE standard connector by PCIE bus, are modulated, digital-to-analogue
Conversion, is then output to antenna by wireless radio frequency channel and externally sends.
This equipment is as follows to the configuration process of AP, Station and LTE UE mode: aircraft discrete magnitude passes through in Fig. 3 second
Veneer external connector is input to DISCRETE chip in Fig. 2 in aerospace connectors and Fig. 2, DISCRETE chip to discrete magnitude into
CPU is inputted after line level conversion.After CPU receives discrete magnitude state, discrete magnitude state allocation list is inquired, determines that equipment should
In any operating mode, and corresponding software configuration switching is carried out, reloads the active configuration item of wireless module, lay equal stress on
Opening equipment makes its work in corresponding working state, and carries out corresponding configuration to by power switch of the I/O function to wireless module,
Close unused wireless module under corresponding state.
Embodiment 3
As shown in Figure 1 to Figure 3, while meeting the airborne wireless cut-in methods of a variety of access modules, follow the steps below:
A, when aircraft needs to carry out main cabin communication or as ground maintenance access point, external discrete amount state is received,
It is configured by DISCRETE chip according to external discrete amount state reading discrete magnitude state and passes to CPU identification；
B, CPU inquires discrete magnitude allocation list and determines that equipment needs to configure state；
C, discrete magnitude state is configured to need to enter WLAN-AP mode, and CPU is by I/O mouthfuls of startings to radio communication mold group
Power switch carries out corresponding configuration, and software-driven layer loads the corresponding driver of WLAN mould group load ap mode, application layer
Hostapd configuration makes equipment work in ap mode；
D, when aircraft is needed to ground hot spot AP or LTE base station transmission data, external discrete amount state is received, by
DISCRETE chip configures according to external discrete amount state reading discrete magnitude state and passes to CPU identification；
E, CPU inquires discrete magnitude allocation list and determines that equipment needs to configure state；
F, discrete magnitude state is configured to need to enter WLAN Station mode or LTE UE mode, CPU pass through I/O mouthfuls
Starting carries out corresponding configuration to radio communication mold group power switch, opens a WLAN mould group power supply, and driving layer adds the mould group
Station mode activated code and configuration are carried, hostapd configuration is closed.CPU opens LTE mould group power supply simultaneously, to LTE mould group
LTE driver is loaded, makes equipment work in LTE mode.
When aircraft needs to carry out main cabin communication or when as ground maintenance access point, aircraft discrete magnitude passes through the second aviation
Connector and veneer external connector are input to DISCRETE chip, and DISCRETE chip is to defeated after discrete magnitude progress level conversion
Enter CPU.After CPU receives discrete magnitude state, discrete magnitude state allocation list is inquired, determines that equipment should be in any work
Mode.Corresponding software configuration switching is carried out, reloads the active configuration item of wireless module, and restarting equipment makes its work exist
Corresponding working state, and corresponding configuration is carried out to by power switch of the I/O function to wireless module, it closes under corresponding state not
Wireless module, wireless module include WLAN mould group and LTE mould group.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. meeting the airborne wireless access system of a variety of access modules simultaneously, which is characterized in that set including CPU SYSTEM, ANT
Standby antenna, WLAN mould group, LTE mould group, SWITCH chip, DISCRETE chip and POWER power supply module, in which:
POWER power supply module, with CPU SYSTEM, ANT device antenna, WLAN mould group, LTE mould group, SWITCH chip and
DISCRETE chip is separately connected, for being CPU SYSTEM, ANT device antenna, WLAN mould group, LTE mould group, SWITCH
Chip and the power supply of DISCRETE chip；
ANT device antenna is connect respectively with the WLAN mould group and LTE Mo Zu, is realized radio frequency signal transmitting-receiving, is specifically used for
Radio frequency signal is received, and is transferred to the WLAN mould group and LTE mould group, is also used to receive the WLAN mould group and LTE mould
The radio frequency signal that group transmission comes, and launch；
WLAN mould group and LTE mould group, connect with the CPU SYSTEM, radio frequency signal processing are realized, specifically for that will connect
The radio frequency signal received is converted to digital signal, and is packaged into standard Protocol Data packet, then is transferred to the CPU
SYSTEM is also used to CPU SYSTEM transmitting the data packet come being modulated on radio frequency transmissions, and is transferred to the ANT and sets
Standby antenna；
CPU SYSTEM is connect respectively with the SWITCH chip, DISCRETE chip, WLAN mould group and LTE Mo Zu, for dividing
The mutual transmission of data is carried out not between SWITCH chip, DISCRETE chip, WLAN mould group and LTE mould group, specifically,
The data packet that CPU SYSTEM receives WLAN mould group and the transmission of LTE mould group comes, and it is transmitted to SWITCH chip, CPU SYSTEM connects
The data packet that the transmission of SWITCH chip comes is received, and is transferred to WLAN mould group and LTE mould group after data packet is carried out digital-to-analogue conversion, also
The configuration signal come for receiving DISCRETE chip transmission, and according to the configuration signal, to WLAN-AP mode,
The mutual switching that WLAN Station mode and LTE UE mode are configured；
SWITCH chip is connect, for receiving external ethernet data, being converted to data packet and transmitting with the CPU SYSTEM
To CPU SYSTEM, it is also used to receive the data packet that CPU SYSTEM transmission comes, after encapsulating according to ICP/IP protocol, according to ether
Net standard output signals；
DISCRETE chip is connect with the CPU SYSTEM, for receiving the discrete magnitude of external system input, and is converted to and is matched
Confidence number is transferred to CPU SYSTEM.
2. airborne wireless access system that is according to claim 1 while meeting a variety of access modules, which is characterized in that institute
LTE mould group is stated using backward compatible 3G standard.
3. airborne wireless access system that is according to claim 1 while meeting a variety of access modules, which is characterized in that institute
WLAN mould group and LTE mould group are stated by multiple high-speed data channels or by the high-speed data channel and CPU SYSTEM of its extension
Connection.
4. airborne wireless access system that is according to claim 1 while meeting a variety of access modules, which is characterized in that institute
WLAN mould group and LTE mould group is stated to connect by PCIE or USB3.0 with CPU SYSTEM.
5. airborne wireless access system that is according to claim 1 while meeting a variety of access modules, which is characterized in that institute
CPU SYSTEM is stated to connect by the interface channel SerDes with SWITCH chip.
6. meeting the airborne wireless access device of a variety of access modules simultaneously, which is characterized in that including shell, table on the shell
Antenna, the shell side setting panel leds, the first aerospace connectors and the second aerospace connectors, the shell is arranged in face
Mainboard is arranged in inside, and processing module is arranged on the mainboard and the miniPCIE standard being separately connected with the processing module connects
Connect device, SWITCH chip, DISCRETE chip and veneer external connector, also set up on the mainboard radio access module,
WLAN mould group, LTE mould group and power module, the radio access module are connect with antenna, WLAN mould group and LTE mould group respectively,
The WLAN mould group, LTE Mo Zu are connect with miniPCIE standard connector respectively, the veneer external connector respectively with panel
Indicator light, the first aerospace connectors and the second aerospace connectors connection, the power module respectively with processing module, SWITCH core
Piece, DISCRETE chip, radio access module, WLAN mould group are connected with LTE mould group.
7. airborne wireless access device that is according to claim 6 while meeting a variety of access modules, which is characterized in that institute
Stating processing module includes CPU and Nor Flash and the DDR3 particle connecting with the CPU, wherein CPU respectively with it is described
MiniPCIE standard connector, SWITCH chip, DISCRETE chip, veneer external connector are connected with power module.
8. meeting the airborne wireless cut-in method of a variety of access modules simultaneously, which is characterized in that follow the steps below:
A, when aircraft needs to carry out main cabin communication or as ground maintenance access point, external discrete amount state is received, by
DISCRETE chip configures according to external discrete amount state reading discrete magnitude state and passes to CPU identification；
B, CPU inquires discrete magnitude allocation list and determines that equipment needs to configure state；
C, discrete magnitude state is configured to need to enter WLAN-AP mode, and CPU is by I/O mouthfuls of startings to radio communication mold group power supply
Switch carries out corresponding configuration, and software-driven layer loads the corresponding driver of WLAN mould group load ap mode, application layer
Hostapd configuration makes equipment work in ap mode；
D, when aircraft is needed to ground hot spot AP or LTE base station transmission data, external discrete amount state is received, by
DISCRETE chip configures according to external discrete amount state reading discrete magnitude state and passes to CPU identification；
E, CPU inquires discrete magnitude allocation list and determines that equipment needs to configure state；
F, discrete magnitude state is configured to need to enter WLAN Station mode or LTE UE mode, and CPU is started by I/O mouthfuls
Corresponding configuration is carried out to radio communication mold group power switch, when into Station mode, a WLAN mould group power supply is opened, drives
Dynamic layer loads Station mode activated code and configuration to the mould group, closes hostapd configuration, when into LTE UE mode,
CPU opens LTE mould group power supply, loads LTE driver to LTE mould group, makes equipment work in LTE mode.
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Application publication date: 20181218 |