CN110417454A - A kind of distributed air borne WIFI entertainment systems framework - Google Patents
A kind of distributed air borne WIFI entertainment systems framework Download PDFInfo
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- CN110417454A CN110417454A CN201910644547.8A CN201910644547A CN110417454A CN 110417454 A CN110417454 A CN 110417454A CN 201910644547 A CN201910644547 A CN 201910644547A CN 110417454 A CN110417454 A CN 110417454A
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- wmsu
- service unit
- wireless medium
- module
- entertainment systems
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- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012857 repacking Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/0015—Arrangements for entertainment or communications, e.g. radio, television
-
- 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
-
- 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
- H04B7/18508—Communications with or from aircraft, i.e. aeronautical mobile service with satellite system used as relay, i.e. aeronautical mobile satellite service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The present invention is a kind of distributed air borne WIFI entertainment systems framework, the framework includes wireless medium service unit WMSU and main cabin administrative unit CMU, it is connected between the wireless medium service unit WMSU and main cabin administrative unit CMU by Ethernet interface, for being uniformly controlled management wireless medium service unit WMSU, the main cabin administrative unit CMU accesses operator's base station network nearby by 3G/4G/5G communication module, for carrying out data communication with earth station, the wireless medium service unit WMSU connects the end passenger PED by wireless access point AP, for accessing and transmission media resource.The present invention can separately provide airborne WIFI entertainment service, and level of integrated system is high, and energy consumption lower calorific value is small, and number of devices is few, and light-weight, space hold is few, and repacking and easy to maintain, high reliablity, set expandability are strong.
Description
Technical field
The present invention relates to aircraft airborne entertainment systems technical fields, and in particular to a kind of distributed air borne WIFI entertainment systems
Framework.
Background technique
Aircraft airborne entertainment systems are passenger flight major distraction modes on the way, provide audio, video on demand clothes for passenger
The service such as business, music, film, game, news, e-book, flight map.Traditional IFE use cable network framework, usually by
Server, distribution network, passenger entertainment terminal and power-supply system are constituted.As modern network technology development and airline decontrol
The aerial limitation using personal electronic equipments becomes airline's better choice using airborne WIFI, and passenger uses PED
(portable electronic device) and equipment are connected directly the entertainment systems on the machine of energy full experience.Airborne WIFI framework is adopted mostly
With server+AP (wireless access point)+4G/ satellite router+crew's controlling terminal form, according to aircraft seat configuration needs
Configure 1-4 AP and antenna, 1 or more server meets while the needs of access to LAN.
The framework of conventional wired networks, it is desirable to provide a large amount of holding equipment and personal terminal, these EM equipment modules are numerous
Aircraft weight is directly increased, the fuel economy of aircraft is reduced, daily maintenance is heavy.This considerably increases airlines to fly
The purchase of machine, operation and maintenance cost.And it legacy system service and has a single function, user experience effect is poor.It is existing airborne
WIFI solves the disadvantage that cable network, but it is more be based on centralized management mode server+AP+ controlling terminal+antenna+
4G router forms the form of WIFI local area network, there are equipment installation, management, safeguards complicated problem, and aircraft conversion difficulty is larger,
It is more difficult that passenger accesses quantity extension.
Summary of the invention
The object of the present invention is to overcome the problems of the prior art, provides a kind of distributed air borne WIFI entertainment systems
Framework.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of distributed air borne WIFI entertainment systems framework, the framework include that wireless medium service unit WMSU and main cabin management are single
First CMU is connected between the wireless medium service unit WMSU and main cabin administrative unit CMU by Ethernet interface, for uniting
One control management wireless medium service unit WMSU, the main cabin administrative unit CMU is accessed attached by 3G/4G/5G communication module
Nearly operator base station network, for carrying out data communication with earth station, the wireless medium service unit WMSU is by wirelessly connecing
The end access point AP connection passenger PED, for accessing and transmission media resource.
Further, the wireless medium service unit WMSU includes server module, switch module, virtual machine operation
Modules A C and wireless access point AP, the server module connect switch module, the switch module by the first network interface card
LAN mouthfuls of wireless access point AP and offer are connected, the end the passenger PED is described by wireless access point AP access switch module
Server module provides WAN mouthfuls by the second network interface card, and the virtual machine operation modules A C is bridged to the first network interface card and second respectively
Network interface card realizes the connection of local network LAN and wide area network WAN.
Further, the virtual machine operation modules A C manages all wireless access point APs therein by local network LAN
And outer net routing forwarding and control are showed by WAN cause for gossip.
Further, the server module uses WEB system B/S framework, and included double hard disk redundancy structure, provides joy
Music system service, the end the passenger PED open resource and information clothes in amusement web page access server module by browser
Business.
Further, active and standby negotiation mode, the active and standby association are used between multiple wireless medium service unit WMSU
Quotient module formula includes virtual machine operation modules A C active-standby mode and server module active-standby mode, wherein
The virtual machine operation modules A C active-standby mode is that the specified host virtual machine operation modules A C of framework goes management wirelessly to connect
Access point AP and online control, remaining is stand-by state；
The server module active-standby mode includes following procedure:
A. LAN mouthfuls are all connected to by cable between all wireless medium service unit WMSU；
B. the first network interface card in wireless medium service unit WMSU is all disposed within phase same network segment, each wireless medium service unit WMSU
Between realize exchange visits；
C. in this network segment, host is determined in the form of increasing virtual IP address, so that host possesses a virtual IP address, and with this
Access entrance of the virtual IP address as entertainment systems framework；
D. virtual IP address is actively accessed after wireless medium service unit WMSU line, is not necessarily to operate if having had virtual IP address, it is believed that
Itself it is standby host, and closes the bridge joint of virtual machine operation modules A C, virtual machine operation modules A C is in Network Isolation state, if more
Secondary trial can not access virtual IP address then from one virtual IP address of increase on the first network interface card, while bridge virtual machine operation module
It is run based on AC, virtual machine operation modules A C, at this time includes the machine ip on the first network interface card of wireless medium service unit WMSU
And virtual IP address.
Further, under the server module active-standby mode, main wireless medium service unit WMSU distribute automatically and
Forwarding URL resource request realizes that the standby host of web page resources is shunted to other spare wireless medium service unit WMSU.
Further, it is reserved with satellite interface on the wireless medium service unit WMSU, is connect for providing Internet
Enter service.
Further, the main cabin administrative unit CMU includes the friendship of processor module and the connection processor module
It changes planes module, display control module and 3G/4G/5G communication module, the processor module completes LAN mouthful to the road WAN Kou Ruan
By forwarding, realize that corresponding 3G/4G/5G router feature, the display control module pass through display touch screen and corresponding control
Software realization human-computer interaction passes through the operation of control software configuration and the entire entertainment systems of management.
The beneficial effects of the present invention are:
The present invention can separately provide airborne WIFI entertainment service, and load balancing between more WMSU mutually backs up, reliability,
Stability is high, and level of integrated system is high, all modules needed for composition minimum system is integrated into a host, low energy consumption
Calorific value is small, and number of devices is few, light-weight, and space hold is few, reequips and easy to maintain, set expandability is strong.
Detailed description of the invention
Fig. 1 is the 1 CMU+2 scene WMSU architectural configurations schematic diagram of the invention；
Fig. 2 is the connection block diagram of each intermodule in WMSU of the invention；
Active and standby negotiation schematic diagram of the Fig. 3 between more WMSU of the invention；
Fig. 4 is the connection block diagram of each intermodule in CMU of the invention；
Fig. 5 is exemplary application map of the invention.
Specific embodiment
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
As shown in Figure 1 and Figure 5, a kind of distributed air borne WIFI entertainment systems framework, the framework include wireless medium service
The abbreviation of unit WMSU(, that is, Wireless Media Server Unit) and main cabin administrative unit CMU, wireless medium service list
First WMSU carries hard disk as WIFI server, and passenger connects the media that can directly access after Wi-Fi inside server module
Resource, such as browse news, see video, listen to music, game, wireless medium service unit WMSU supports ARINC429 signal to connect
It receives, obtains aircraft altitude, the time, when aircraft rises to 3000 meters or more, the service of automatically opening is can be set in the information such as longitude and latitude
Device provides Wi-Fi access, and aircraft can be set when dropping to 3000 meters or less is automatically closed server module, the wireless matchmaker
It is connected between body service unit WMSU and main cabin administrative unit CMU by Ethernet interface, gigabit network interface is used in the present embodiment
And corresponding gigabit network cable is attached, for being uniformly controlled management wireless medium service unit WMSU, the main cabin management is single
First CMU accesses operator base station network nearby by 3G/4G/5G communication module, for and earth station carry out data communication, with into
Row system maintenance, user authentication, big data analysis etc. provide great convenience, the wireless medium service unit for subsequent operation
WMSU connects the end passenger PED by wireless access point AP, for access and transmission media resource, such as browses webpage, listens to music, sees
Video etc..
As shown in Fig. 2, the wireless medium service unit WMSU includes server module, switch module, virtual machine fortune
Row modules A C and wireless access point AP, the server module connect switch module, the interchanger mould by the first network interface card
Block connects LAN mouthfuls of wireless access point AP and offer, and the end the passenger PED passes through wireless access point AP access switch module, In
In the present embodiment, wireless access point AP supports 802.11a/n/ac and 802.11b/g/n to work simultaneously, 3 frequency points of support: 2.4G,
5.2G, 5.8G, the server module provide WAN mouthfuls by the second network interface card, and the virtual machine operation modules A C is bridged to respectively
First network interface card and the second network interface card realize the connection of local network LAN and wide area network WAN.
The virtual machine operation modules A C manages all wireless access point APs therein by local network LAN and passes through WAN
Cause for gossip shows outer net routing forwarding and control, including WLAN access-in management, DHCP service, soft routing, portal authentication management, QOS
With traffic management and control etc..
The server module uses WEB system B/S framework, and included double hard disk redundancy structure, provides entertainment systems clothes
Business, the end the passenger PED open resource and information service in amusement web page access server module by browser, in addition,
In the present embodiment, wireless medium service unit WMSU is designed using double hard disk redundancy, to improve reliability, every wireless medium
Service unit WMSU at most can be greater than 120 user video program requests with carry.
As shown in figure 3, using active and standby negotiation mode, the active and standby association between multiple wireless medium service unit WMSU
Quotient module formula includes virtual machine operation modules A C active-standby mode and server module active-standby mode, wherein
The virtual machine operation modules A C active-standby mode is that the specified host virtual machine operation modules A C of framework goes management wirelessly to connect
Access point AP and online control, remaining is stand-by state, i.e. virtual machine operation modules A C can bind all wireless in local area network
Access point AP, multiple virtual machine operation modules A C form main and standby relation, while can only an offer service；
The server module active-standby mode includes following procedure:
A. LAN mouthfuls are all connected to by cable between all wireless medium service unit WMSU；
B. the first network interface card in wireless medium service unit WMSU is all disposed within phase same network segment, each wireless medium service unit WMSU
Between realize exchange visits；
C. in this network segment, host is determined in the form of increasing virtual IP address, so that host possesses a virtual IP address, and with this
Access entrance of the virtual IP address as entertainment systems framework；
D. virtual IP address is actively accessed after wireless medium service unit WMSU line, is not necessarily to operate if having had virtual IP address, it is believed that
Itself it is standby host, and closes the bridge joint of virtual machine operation modules A C, virtual machine operation modules A C is in Network Isolation state, if more
Secondary trial can not access virtual IP address then from one virtual IP address of increase on the first network interface card, while bridge virtual machine operation module
It is run based on AC, virtual machine operation modules A C, at this time includes the machine ip on the first network interface card of wireless medium service unit WMSU
And virtual IP address.
When more wireless medium service unit WMSU installations, a wireless access point AP and server are not only increased
Module, the addition of system meeting detection equipment are automatically performed active and standby negotiation, and the addition of equipment takes WIFI service, entertainment systems
Business should be unaware, and when the end passenger PED is moved to different zones, switching wireless access point AP that can be seamless is provided most
Good WIFI experience, backstage entertainment service can realize the real superposition of software and hardware according to load distribution server resource, and
Radio roaming, load balancing, flow equalization.
Under the server module active-standby mode, main wireless medium service unit WMSU distributes and forwards automatically URL to provide
Source request realizes that the standby host of web page resources is shunted to other spare wireless medium service unit WMSU.
It is reserved with satellite interface on the wireless medium service unit WMSU, for providing Internet access service, is
Install airborne satellite communication equipment additional, extending space can be reserved by realizing that vacant lot interconnection is carried out, and set expandability is strong, in addition in this implementation
In example, wireless medium service unit WMSU provides 3 road gigabit Ethernets, facilitates server to carry out networking, while supporting VPN, can
User authentication is carried out to be connected to ground center, online control, the operation such as user behavior management is supported to support flow control plan
Slightly, client traffic can dynamically be adjusted.
As shown in figure 4, the main cabin administrative unit CMU includes processor module and the connection processor module
Switch module, display control module and 3G/4G/5G communication module, the processor module complete LAN mouthfuls to WAN mouthfuls soft
Routing forwarding realizes corresponding 3G/4G/5G router feature, in the present embodiment, realizes LTE online 4G router feature, visitor
Cabin administrative unit CMU integrates 4G antenna, without extra cable, very saving aircraft conversion wiring, when system update is safeguarded, dimension
Shield personnel by replacement main cabin administrative unit CMU detachable hard disc or gigabit network interface can concentrate quick update, in system
Other equipment are automatically performed the content synchronization with server, i.e. system data update, the display control mould are completed in once-through operation
Block by control software configuration and manages entire entertainment systems by display touch screen and corresponding control software realization human-computer interaction
Operation, in the present embodiment, crew can be accessed in main cabin administrative unit CMU by PAD to the pipe of passenger cabin entertainment system
Reason and control during aircraft smooth flight, can control wireless medium service unit WMSU by main cabin administrative unit CMU and open
WIFI service function is opened, when aircraft is before takeoff and landing, crew can close WIFI service by main cabin administrative unit CMU
Function leads to Flight Safety because WIFI signal is interfered to prevent, and main cabin administrative unit CMU provides 7 mould 4G LTE and connects
Mouthful, after aircraft does not take off or lands, main cabin administrative unit CMU can carry out data communication, including boat by 4G and earth station
Class's information, Customer information, flying quality etc..As shown in figure 5, being the operational instances of a crew, crew is managed by main cabin
The WIFI on unit CMU opening wireless medium service unit WMSU is managed, WIFI SSID occurs, and the end passenger PED connects WIFI, multiplies
Pop-up amusement webpage in the objective end PED carries out amusement and the operation such as orders.
In addition, it should be noted that, unless stated otherwise or point out, the otherwise term " first " in specification, "
The descriptions such as two " are used only for distinguishing various components, element, step etc. in specification, without being intended to indicate that various components, member
Logical relation or ordinal relation between element, step etc..
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of distributed air borne WIFI entertainment systems framework, which is characterized in that the framework includes wireless medium service unit
WMSU and main cabin administrative unit CMU, passes through Ethernet between the wireless medium service unit WMSU and main cabin administrative unit CMU
Interface connection passes through 3G/4G/5G for being uniformly controlled management wireless medium service unit WMSU, the main cabin administrative unit CMU
Communication module accesses operator's base station network nearby, for carrying out data communication, the wireless medium service unit with earth station
WMSU connects the end passenger PED by wireless access point AP, for accessing and transmission media resource.
2. distributed air borne WIFI entertainment systems framework according to claim 1, which is characterized in that the wireless medium clothes
Business unit WMSU includes server module, switch module, virtual machine operation modules A C and wireless access point AP, the server
Module connects LAN mouthfuls of switch module, the switch module connection wireless access point AP and offer by the first network interface card, described
The end passenger PED provides WAN mouthfuls by the second network interface card by wireless access point AP access switch module, the server module,
The virtual machine operation modules A C is bridged to the first network interface card and the second network interface card respectively, realizes the company of local network LAN and wide area network WAN
It connects.
3. distributed air borne WIFI entertainment systems framework according to claim 2, which is characterized in that the virtual machine operation
Modules A C manages all wireless access point APs therein by local network LAN and shows outer net routing forwarding and control by WAN cause for gossip
System.
4. distributed air borne WIFI entertainment systems framework according to claim 2, which is characterized in that the server module
Using WEB system B/S framework, and included double hard disk redundancy structure, entertainment systems service is provided, the end the passenger PED passes through browsing
Device opens the resource and information service in amusement web page access server module.
5. distributed air borne WIFI entertainment systems framework according to claim 2, which is characterized in that multiple wireless matchmakers
Active and standby negotiation mode is used between body service unit WMSU, the active and standby negotiation mode includes the virtual machine operation active and standby mould of modules A C
Formula and server module active-standby mode, wherein
The virtual machine operation modules A C active-standby mode is that the specified host virtual machine operation modules A C of framework goes management wirelessly to connect
Access point AP and online control, remaining is stand-by state；
The server module active-standby mode includes following procedure:
A. LAN mouthfuls are all connected to by cable between all wireless medium service unit WMSU；
B. the first network interface card in wireless medium service unit WMSU is all disposed within phase same network segment, each wireless medium service unit WMSU
Between realize exchange visits；
C. in this network segment, host is determined in the form of increasing virtual IP address, so that host possesses a virtual IP address, and with this
Access entrance of the virtual IP address as entertainment systems framework；
D. virtual IP address is actively accessed after wireless medium service unit WMSU line, is not necessarily to operate if having had virtual IP address, it is believed that
Itself it is standby host, and closes the bridge joint of virtual machine operation modules A C, virtual machine operation modules A C is in Network Isolation state, if more
Secondary trial can not access virtual IP address then from one virtual IP address of increase on the first network interface card, while bridge virtual machine operation module
It is run based on AC, virtual machine operation modules A C, at this time includes the machine ip on the first network interface card of wireless medium service unit WMSU
And virtual IP address.
6. distributed air borne WIFI entertainment systems framework according to claim 6, which is characterized in that in the server mould
Under block active-standby mode, main wireless medium service unit WMSU distributes and forwards automatically URL resource request to other spare wireless matchmakers
Body service unit WMSU is shunted with the standby host for realizing web page resources.
7. distributed air borne WIFI entertainment systems framework according to claim 1 or 2, which is characterized in that the wireless matchmaker
It is reserved with satellite interface on body service unit WMSU, for providing Internet access service.
8. distributed air borne WIFI entertainment systems framework according to claim 1, which is characterized in that the main cabin management is single
First CMU includes switch module, display control module and the 3G/4G/5G of processor module and the connection processor module
Communication module, the processor module complete LAN mouthfuls to WAN mouthfuls of soft routing forwarding, realize corresponding 3G/4G/5G router
Function, the display control module are matched by display touch screen and corresponding control software realization human-computer interaction by controlling software
Set and manage the operation of entire entertainment systems.
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| CN201910644547.8A CN110417454A (en) | 2019-07-17 | 2019-07-17 | A kind of distributed air borne WIFI entertainment systems framework |
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| CN201910644547.8A CN110417454A (en) | 2019-07-17 | 2019-07-17 | A kind of distributed air borne WIFI entertainment systems framework |
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| CN110417454A true CN110417454A (en) | 2019-11-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098951A (en) * | 2021-03-30 | 2021-07-09 | 中电科航空电子有限公司 | Civil aircraft passenger cabin wireless network system and server software architecture thereof |
| CN114930982A (en) * | 2019-11-21 | 2022-08-19 | 智慧天空网络有限公司 | Method and apparatus for enhancing air-to-ground WIFI systems |
| CN115664842A (en) * | 2022-11-18 | 2023-01-31 | 北京华云安软件有限公司 | Communication link setting method, device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206698442U (en) * | 2017-05-23 | 2017-12-01 | 中电科航空电子有限公司 | A kind of vehicle entertainment apparatus and system |
| CN107919994A (en) * | 2017-12-13 | 2018-04-17 | 南京熊猫电子股份有限公司 | Realize the method and server of network service two-node cluster hot backup |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206698442U (en) * | 2017-05-23 | 2017-12-01 | 中电科航空电子有限公司 | A kind of vehicle entertainment apparatus and system |
| CN107919994A (en) * | 2017-12-13 | 2018-04-17 | 南京熊猫电子股份有限公司 | Realize the method and server of network service two-node cluster hot backup |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114930982A (en) * | 2019-11-21 | 2022-08-19 | 智慧天空网络有限公司 | Method and apparatus for enhancing air-to-ground WIFI systems |
| CN113098951A (en) * | 2021-03-30 | 2021-07-09 | 中电科航空电子有限公司 | Civil aircraft passenger cabin wireless network system and server software architecture thereof |
| CN113098951B (en) * | 2021-03-30 | 2022-08-30 | 中电科航空电子有限公司 | Civil aircraft passenger cabin wireless network system and server software architecture thereof |
| CN115664842A (en) * | 2022-11-18 | 2023-01-31 | 北京华云安软件有限公司 | Communication link setting method, device, equipment and storage medium |
| CN115664842B (en) * | 2022-11-18 | 2023-03-21 | 北京华云安软件有限公司 | Communication link setting method, device, equipment and storage medium |
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