CN105873086A - Airport surface wireless communication system and wireless terminal - Google Patents
Airport surface wireless communication system and wireless terminal Download PDFInfo
- Publication number
- CN105873086A CN105873086A CN201610440318.0A CN201610440318A CN105873086A CN 105873086 A CN105873086 A CN 105873086A CN 201610440318 A CN201610440318 A CN 201610440318A CN 105873086 A CN105873086 A CN 105873086A
- Authority
- CN
- China
- Prior art keywords
- signal
- base station
- module
- wireless terminal
- wifi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 145
- 238000012545 processing Methods 0.000 claims description 42
- 230000009977 dual effect Effects 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- 230000005059 dormancy Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims description 3
- 230000007958 sleep Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 210000003516 pericardium Anatomy 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000004927 fusion Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides an airport surface wireless communication system. The airport surface wireless communication system comprises a base station, a WiFi relay station and a data processing center. By utilizing a base station signal provided by the base station and a WiFi signal provided by the WiFi relay station, whole wireless signal coverage of an airport surface is realized; signals of each wireless terminal are fused and transmitted by utilizing a data processing center so as to construct a large-capacity and wideband transmission wireless communication system fusing a base station wireless network and a WiFi wireless network; and the system can realize whole coverage of the airport surface without large-area wire arrangement, is simple in structure, strong in expandability and strong in data fusion efficiency, and the whole operation efficiency of an airport can be effectively improved.
Description
Technical field
The present invention relates to airdrome scene communication technical field, be specifically related to a kind of airdrome scene wireless communication system, Yi Zhongwu
A kind of method that line terminal and wireless terminal select communication channel.
Background technology
Along with the fast development of China's economy, civil aviation transportation demand constantly increases, and increases the load of airport transport power,
The efficiency of Airport Operation is had higher requirement.
At present, scene communication technology in domestic airport is divided into wire transmission according to the difference of transmission medium and is wirelessly transferred.Wired
Transmission has Large Copacity, the advantage that the bit error rate is low, but it is big to there is wires design difficulty, and the later stage is difficult to extension and extends into
The problems such as this height.Present Domestic airdrome scene wireless communication technology means have a lot, such as 800MHz technology, LTE technology,
WiFi technology and AeroMACs technology.These wireless network communication technique, according to respective feature, carry field, airport
The business that face is different.It is wirelessly transferred and there is system simply compared to wire transmission, the feature that autgmentability is strong, but current machine
The various wireless communication technology that field scene uses is independent toward each other, and information interaction capabilities is more weak.Additionally, airdrome scene leads to
The Data Source of letter is in multiple systems terminal, such as multipoint location system, radar surveillance system, video monitoring system, voice
Communication system etc..These different systems generally use independent link to carry out data transmission, but at actual airfield communication
In, the data of different links need fusion treatment, inefficient across the data fusion of link, affect airport overall operation effect
Rate.In general, the Large Copacity broadband transmission wireless communication system merging plurality of wireless networks foundation can improve the fortune on airport
Line efficiency, is the important selection of future airport scene communication.
Summary of the invention
For defect of the prior art, the present invention provides a kind of airdrome scene radio communication system merging plurality of wireless networks
System, to solve the problems referred to above, provide simultaneously a kind of wireless terminal being applicable to described airdrome scene wireless communication system and
Described wireless terminal selects the method for communication channel.
First aspect, a kind of airdrome scene wireless communication system that the present invention provides, including: base station, WiFi relay station and
Data processing centre；Wherein,
In the range of airdrome scene is located in described base station, described base station and described data processing centre, described WiFi relay station
All communicate to connect with described wireless terminal, for connecting described WiFi relay station in the signal cover of described base station
With the communication link between described data processing centre and connecting between described wireless terminal and described data processing centre
Communication link；
Described WiFi relay station all communicates to connect with described base station and described wireless terminal, and institute is located at by described WiFi relay station
State the signal blind zone periphery of base station, for covering WiFi signal to described signal blind zone, so that described wireless terminal is in institute
It is connected to described WiFi relay station by WiFi signal in stating the signal blind zone of base station；
Described data processing centre is also connected with airdrome control server and the Internet, for the letter uploading each wireless terminal
Breath carries out merging, forwarding, and in realizing system between each wireless terminal and described airdrome control server and the Internet
Communication.
Optionally, described data processing centre includes: gateway module, authentication module, webmaster module and data processing module；
Described gateway module, authentication module and webmaster module are all connected with described data processing module；
Described gateway module is also connected with the Internet, for distributing the IP address of wireless terminal each in system unitedly
And management, and communication between each wireless terminal and the Internet in realizing system；
Described authentication module is used for carrying out wireless terminal each in system authentication, and in certification by the described nothing of rear permission
Line terminal access system；
Described webmaster module is for being managed collectively intrasystem described base station, WiFi relay station and wireless terminal；
Described data processing module is also connected with described base station and described airdrome control server, for each wireless terminal
The information passed carries out merging, forwarding, and leading between each wireless terminal and described airdrome control server in realizing system
Letter.
Optionally, described base station includes: AeroMACs signal transmitting and receiving module and LTE signal transmitting and receiving module, described AeroMACs
Signal transmitting and receiving module and LTE signal transmitting and receiving module are respectively used to cover AeroMACs signal and LTE signal to airdrome scene,
So that described WiFi relay station and described wireless terminal pass through AeroMACs signal in the signal cover of described base station
Or LTE signal communicates to connect with described base station.
Optionally, described base station also includes: gps antenna, for described data processing centre, described WiFi relay station
With described wireless terminal time service so that described data processing centre, described WiFi relay station and described wireless terminal clock
Synchronize.
Optionally, described WiFi relay station includes: the base station signal transceiver module of interconnection and WiFi signal modulus of conversion
Block；
Described base station signal transceiver module is also connected with described base station, for by AeroMACs signal or LTE signal with
Described base station communicates；
Described WiFi signal modular converter is connected with described wireless terminal, for AeroMACs signal or LTE signal being turned
It is changed to WiFi signal send to described wireless terminal, or the WiFi signal that described wireless terminal sends is converted to
AeroMACs signal or LTE signal send to described base station signal transceiver module.
Second aspect, the wireless terminal of a kind of and above-mentioned airdrome scene wireless communication system adaptation that the present invention provides, described
Wireless terminal is mobile terminal or fixed terminal；Described wireless terminal includes: base station signal transceiver module, WiFi signal are received
Send out module, dual link judging module and user data transceiver module；
Described base station signal transceiver module is connected with described dual link judging module and base station, for operationally passing through base station
Signal communicates with described base station；Wherein, described base station signal includes AeroMACs signal or LTE signal；
Described WiFi signal transceiver module is connected with described dual link judging module and described WiFi relay station, in fortune
Communicated with described WiFi relay station by WiFi signal during row；
Described dual link judging module is also connected with described user data transceiver module, for base station signal communication channel
The signal quality of signal quality and WiFi signal communication channel detects, and controls described base station letter according to testing result
Number transceiver module and the operation of WiFi signal transceiver module or dormancy, so that described wireless terminal is by a wherein communication
Channel communicates with described base station or described WiFi relay station, described dual link judging module also with described user data
Communicate between transceiver module；
Described user data transceiver module is connected with information collecting device, for receiving the machine that described information collecting device gathers
Field scenario information is also uploaded to data processing centre.
Optionally, described base station signal transceiver module include AeroMACs signal transmitting and receiving unit, LTE signal transmitting and receiving unit and
Base station signal decision unit；
Described AeroMACs signal transmitting and receiving unit and described LTE signal transmitting and receiving unit all with described base station signal decision unit
Connect；
Described AeroMACs signal transmitting and receiving unit is for communicating with described base station by transmitting-receiving AeroMACs signal；
Described LTE signal transmitting and receiving unit is for communicating with described base station by transmitting-receiving LTE signal；
Described base station signal decision unit is for the AeroMACs signal that described AeroMACs signal transmitting and receiving unit receives
Signal quality detects, and detects the signal quality of the LTE signal that described LTE signal transmitting and receiving unit receives,
And control described AeroMACs signal transmitting and receiving unit and the operation of described LTE signal transmitting and receiving unit according to testing result or stop
Sleep, so that described base station signal transceiver module is communicated with described base station by AeroMACs signal or LTE signal.
Optionally, described wireless terminal is mobile terminal, and described wireless terminal also includes: voice communications module；
Described voice communications module is connected with described user data transceiver module, for receiving the language of airdrome scene staff
Sound inputs and plays voice to described airdrome scene staff, to realize described airdrome scene staff and other airports
Real-time Communication for Power between scene staff or airdrome control personnel.
Optionally, described wireless terminal is mobile terminal, and described wireless terminal also includes: display control module；
Described display control module is connected with described user data transceiver module, for carrying out people with described airdrome scene staff
Machine is mutual, to realize described airdrome scene staff by described wireless terminal inquiry Airport information.
The third aspect, a kind of wireless terminal that the present invention provides selects the method for communication channel, including:
Base station signal transceiver module detection AeroMACs signal and LTE signal；
Described base station signal transceiver module selects to believe in AeroMACs communication channel and LTE communication channel according to result of detection
One communication channel of number optimal quality is as the communication channel of transceiver base station signal；
WiFi signal transceiver module detection WiFi signal；
Dual link judging module is to the signal quality of the communication channel of described transceiver base station signal and leading to of transmitting-receiving WiFi signal
The signal quality of letter channel carries out detecting, comparing, and controls described base station signal transceiver module and WiFi according to comparative result
The operation of signal transmitting and receiving module or dormancy, so that described wireless terminal passes through an optimum communication channel of signal quality and institute
State base station or described WiFi relay station communicates.
As shown from the above technical solution, a kind of airdrome scene wireless communication system that the present invention provides, including: base station, WiFi
Relay station and data processing centre.Base station signal that base station provides and the WiFi signal that WiFi relay station provides is utilized to realize
Wireless signal comprehensive to airdrome scene covers, and utilize the data processing centre signal of each wireless terminal is merged,
Forward, thus build the Large Copacity broadband transmission wireless communication system merging base station radio network and WiFi wireless network,
Native system need not large area wiring can realize the comprehensive covering to airdrome scene, simple in construction, autgmentability by force, data
Fusion efficiencies is high, can be effectively improved the operational efficiency that airport is overall.
A kind of wireless terminal and the method for a kind of wireless terminal selection communication channel that the present invention provides are and field, described airport
Face wireless communication system with the use of, with above-mentioned airdrome scene wireless communication system for identical inventive concept, have
Identical beneficial effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete real
Execute the required accompanying drawing used in mode or description of the prior art to be briefly described.In all of the figs, similar element
Or part is typically by the reference mark being similar to.In accompanying drawing, each element or part might not be painted according to actual ratio
System.
Fig. 1 shows the schematic diagram of a kind of airdrome scene wireless communication system that first embodiment of the invention provided；
Fig. 2 shows the structural representation of the data processing centre that second embodiment of the invention provided；
Fig. 3 shows the structural representation of the WiFi relay station that third embodiment of the invention provided；
Fig. 4 shows the structural representation of a kind of wireless terminal that fourth embodiment of the invention provided；
Fig. 5 shows the structural representation of a kind of mobile terminal that fifth embodiment of the invention provided；
Fig. 6 shows that a kind of wireless terminal that sixth embodiment of the invention is provided selects the flow chart of communication channel；
Fig. 7 shows that the base station signal transceiver module that seventh embodiment of the invention is provided selects the flow chart of communication channel；
Fig. 8 shows that the dual link judging module that eighth embodiment of the invention is provided selects the flow chart of communication channel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of technical solution of the present invention is described in detail.Following example are only used for more
Add and clearly demonstrate technical scheme, be therefore intended only as example, and the protection of the present invention can not be limited with this
Scope.
It should be noted that except as otherwise noted, technical term used in this application or scientific terminology should be the present invention
The ordinary meaning that one of ordinary skill in the art are understood.
AeroMACs technology, LTE technology and WiFi technology are currently used more Large Copacity wireless communication technologys.Its
With LTE signal, middle AeroMACs signal has the advantages that coverage distance is remote, generally reach 5KM～10KM, but this two
Planting signal and compare the most weak to the penetration capacity of object with WiFi signal, the stop being easily subject to the objects such as building is formed non-
Sighting distance region (NLOS), and signal blind zone.When cloth station, airport, if in signal blind zone by setting up AeroMACs base station
Or LTE base station carries out mending blind, and system building is relatively costly, so only realizing field, airport with AeroMACs or LTE
Face wireless signal all standing has limitation.WiFi technology has large-capacity data transmission ability, and WiFi signal pair
The penetration capacity of object is relatively strong, is susceptible to effect on building, but the signal cover of WiFi base station is relatively near, generally
Do not wait tens to hundreds of rice and require that moving velocity of terminal is relatively low.If only realizing airdrome scene wireless communication with WiFi signal
Number all standing, this can cause WiFi base station number many, and the construction of cloth station, airport is difficult to, and equally exists limitation.
The present invention provides a kind of airdrome scene wireless communication system, a kind of wireless terminal and a kind of wireless terminal to select communication
Embodiments of the invention are illustrated by the method for channel below in conjunction with the accompanying drawings.
Refer to a kind of airdrome scene wireless communication system that Fig. 1, Fig. 1 show that first embodiment of the invention provided
Schematic diagram.As it is shown in figure 1, a kind of airdrome scene wireless communication system provided according to a first embodiment of the present invention includes:
Base station 101, WiFi relay station 102 and data processing centre 103；Wherein,
In the range of airdrome scene is located in described base station 101, described base station 101 and described data processing centre 103, described
WiFi relay station 102 and described wireless terminal 104 all communicate to connect, for the signal cover in described base station 101
Communication link between interior connection described WiFi relay station 102 and described data processing centre 103 and connect described nothing
Communication link between line terminal 104 and described data processing centre 103；
Described WiFi relay station 102 all communicates to connect with described base station 101 and described wireless terminal 104, described WiFi
The signal blind zone periphery of described base station 101 is located at by relay station 102, for covering WiFi signal to described signal blind zone,
So that described wireless terminal 104 is connected in described WiFi by WiFi signal in the signal blind zone of described base station 101
Continue station 102；
Described data processing centre 103 is also connected with airdrome control server and the Internet, for each wireless terminal 104
The information uploaded carries out merging, forwarding, and in realizing system each wireless terminal 104 and described airdrome control server and
Communication between the Internet.
Wherein, described wireless terminal 104 can be mobile terminal or fixed terminal, for gathering in the range of airdrome scene
Information also uploads to data processing centre 103, it is also possible to for carrying out real-time Communication for Power or information inquiry for airport employe
Deng.Described airdrome control server includes the server etc. of the server at blank pipe station, airline, described Data processing
The heart 103 to various forms of data such as described airdrome control server uploaded videos, voice, images, or can receive
Data that described airdrome control server issues, instruction etc., it is achieved described airdrome scene wireless communication system and airdrome control
Interactive communication between server.
The airdrome scene wireless communication system that the embodiment of the present invention provides, utilizes base station signal and WiFi that base station 101 provides
The WiFi signal that relay station 102 provides achieves wireless signal comprehensive to airdrome scene and covers, and utilizes data to process
The signal of each wireless terminal 104 is merged, forwards by center 103, thus builds fusion base station radio network and WiFi
The Large Copacity broadband transmission wireless communication system of wireless network, wireless terminal 104 can lead in base station signal coverage
Cross base station signal directly to communicate with base station 101, in base station signal blind area, WiFi can be connected to by WiFi signal
Relay station 102, then it is connected to base station 101 by WiFi relay station 102 by base station signal, native system need not big face
Long-pending wiring can realize the comprehensive covering to airdrome scene, simple in construction, autgmentability is strong, data fusion efficiency is high, permissible
It is effectively improved the operational efficiency that airport is overall.
Refer to the structural representation of the data processing centre 103 that Fig. 2, Fig. 2 show that second embodiment of the invention provided
Figure.As in figure 2 it is shown, described data processing centre 103 includes: gateway module, authentication module, webmaster module and data
Processing module；
Described gateway module, authentication module and webmaster module are all connected with described data processing module；
Described gateway module is also connected with the Internet, for unifying the IP address of wireless terminal 104 each in system
Distribution and management, and communication between each wireless terminal 104 and the Internet in realizing system；
Described authentication module is used for wireless terminal 104 each in system is carried out authentication, and in certification by rear permission institute
State wireless terminal 104 access system；
Described webmaster module is for carrying out intrasystem described base station 101, WiFi relay station 102 and wireless terminal 104
Unified management；
Described data processing module is also connected with described base station 101 and described airdrome control server, for each wireless end
The information uploaded of end 104 carry out merging, forwarding, and each wireless terminal 104 and described airdrome control clothes in realizing system
Communication between business device.
In Fig. 2, base station end user includes the airdrome control servers such as the server of the server at blank pipe station, airline,
Outer net i.e. the Internet.
Wherein, the data unified fusion of collection can be processed and be sent to respective purpose terminal by data processing module.Data
Processing module utilizes native system that multiple data are collected, process, merge and are distributed, and improves running efficiency of system.
Gateway module is to connect the bridge between native system and internet (the Internet), it is achieved system and internet
Interconnection.Gateway module is provided simultaneously with DHCP ability, and the IP address of user in system is distributed unitedly and managed.
Authentication module is the safety guarantee of native system.For ensureing security of system, each wireless terminal 104 needs through certification mould
Block authentication registration just accessible system, it is achieved terminal use is mutual in intrasystem information, avoids the danger such as data eavesdropping simultaneously
Evil behavior.
Base station 101 in native system, fixed terminal, mobile terminal and WiFi relay station 102 can be entered by webmaster module
Row unified management.Webmaster module possesses inquiry and controls both of which:
A) query pattern: by webmaster module, can with base station in inquiry system 101, fixed terminal, mobile terminal and
The duty of WiFi relay station 102, such as the connection status of base station 101 with terminal, base station 101 leads to terminal up-downgoing
Letter modulation system, uplink and downlink communication speed etc..
B) control model: by webmaster module, can control the duty of base station 101, as controlled base station 101
Launch AeroMACs signal simultaneously and launch one of which wireless signal etc. with LTE signal or 101, base station of control.
In the embodiment that the application provides, described base station 101 includes: AeroMACs signal transmitting and receiving module and LTE
Signal transmitting and receiving module, described AeroMACs signal transmitting and receiving module and LTE signal transmitting and receiving module are respectively used to airdrome scene
Cover AeroMACs signal and LTE signal, so that described WiFi relay station 102 and described wireless terminal 104 are described
Communicated to connect with described base station by AeroMACs signal or LTE signal in the signal cover of base station 101.
In the embodiment that the application provides, described base station 101 also includes: gps antenna, for described data
Processing center 103, described WiFi relay station 102 and described wireless terminal 104 time service, so that described data processing centre
103, described WiFi relay station 102 and described wireless terminal 104 clock synchronize.
In the embodiment that the application provides, described WiFi relay station 102 includes: the base station signal of interconnection
Transceiver module and WiFi signal modular converter；
Described base station signal transceiver module is also connected with described base station 101, for being believed by AeroMACs signal or LTE
Number communicate with described base station 101；
Described WiFi signal modular converter is connected with described wireless terminal 104, for AeroMACs signal or LTE being believed
Number be converted to WiFi signal send to described wireless terminal 104, or the WiFi letter that described wireless terminal 104 is sent
Number be converted to AeroMACs signal or LTE signal sends to described base station signal transceiver module.As it is shown on figure 3, its be
The structural representation of the WiFi relay station 102 that third embodiment of the invention is provided.
For ensureing the communication quality of WiFi relay station 102 and base station 101, it is right to need in base station signal transceiver module to comprise
Channel quality detection mechanism, by signal quality and the signal matter of LTE communication channel of detection AeroMACs communication channel
Measure and compare, thus the communication channel selecting signal quality higher communicates with base station 101.Wherein, letter
Number quality can be evaluated according to following items parameter: received signal strength (SRRI), link-quality mark (LQI)
Carrier wave and interference and noise ratio (CINR).
Refer to the structural representation of a kind of wireless terminal 104 that Fig. 4, Fig. 4 show that fourth embodiment of the invention provided
Figure, as shown in Figure 4, described in a kind of wireless terminal 104 that fourth embodiment of the invention is provided and present invention offer
Airdrome scene wireless communication system with the use of, wireless terminal that fourth embodiment of the invention is provided 104 for mobile eventually
End or fixed terminal；Described wireless terminal 104 includes: base station signal transceiver module, WiFi signal transceiver module, double-strand
Road judging module and user data transceiver module；
Described base station signal transceiver module is connected with described dual link judging module and base station 101, for operationally passing through
Base station signal communicates with described base station 101；Wherein, described base station signal includes AeroMACs signal or LTE letter
Number；
Described WiFi signal transceiver module is connected with described dual link judging module and described WiFi relay station 102, is used for
Operationally communicated with described WiFi relay station 102 by WiFi signal；
Described dual link judging module is also connected with described user data transceiver module, for base station signal communication channel
The signal quality of signal quality and WiFi signal communication channel detects, and controls described base station letter according to testing result
Number transceiver module and the operation of WiFi signal transceiver module or dormancy, so that described wireless terminal 104 is by wherein one
Communication channel communicates with described base station 101 or described WiFi relay station 102, described dual link judging module also with
Communicate between described user data transceiver module；
Described user data transceiver module is connected with information collecting device, for receiving the machine that described information collecting device gathers
Field scenario information is also uploaded to data processing centre 103.
In Fig. 4, other communication modules are information collecting device.
Wherein, base station signal transceiver module is the important R-T unit that mobile terminal is directly connected to base station 101 holding.By
AeroMACs signal and two kinds of wireless signals of LTE signal can be sent, for ensureing mobile terminal and base station 101 in base station 101
Communication quality, base station 101 transceiver module needs both signal link Round Card, so select communication matter
A kind of signal link of amount communicates with base station 101.Assessment decisions condition and correlation threshold are strong by receiving signal
Degree (SRRI), link-quality mark (LQI), carrier wave and interference and noise ratio (CINR) definition.
Base station signal transceiver module can be divided into 3 steps to two kinds of signal link Round Card:
1) a judgement link is used for detecting whether full frequency band in current radio environment has AeroMACs signal, if not having
AeroMACs signal then continues detection, if there being AeroMACs signal, then records all AeroMACs signals and link thereof
Communication quality.Another judgement link detection LTE signal method is identical with AeroMACs detecting link.
2) judge whether the AeroMACs signal detected only has a link, if only one link, be then directly entered
Next step judges；If more than a link, then selecting next step judgement of entrance of link communication optimal quality.LTE signal
Detecting link step is identical with this.
3) multilevel iudge AeroMACs link-quality and LTE link-quality, select the excellent link of link-quality as path,
Another link is the most in a dormant state.
For ensureing that an only link is in channel status, dual link judging module need to utilize dual link to adjudicate evaluation mechanism pair
Base station signal and WiFi signal both links carry out check and evaluation.Dual link judging module is to base station signal and WiFi signal
The step that both links carries out check and evaluation is as follows:
1) judging whether have WiFi signal in wireless environment, if not having WiFi signal, this system continues detection, if having
The link that WiFi signal then Systematic selection link-quality is optimum, and carry out next step；
2) judging whether base station signal transceiver module has link to be in path, without link, then this decision system continues
Detection, if there being path link, then enters next step；
3) comparing base station communication link quality and WiFi communication link-quality, one link of system optimum selecting keeps path,
Another is the most in a dormant state.
In the embodiment that the present invention provides, described base station signal transceiver module includes AeroMACs signal transmitting and receiving list
Unit, LTE signal transmitting and receiving unit and base station signal decision unit；
Described AeroMACs signal transmitting and receiving unit and described LTE signal transmitting and receiving unit all with described base station signal decision unit
Connect；
Described AeroMACs signal transmitting and receiving unit is for communicating with described base station 101 by transmitting-receiving AeroMACs signal；
Described LTE signal transmitting and receiving unit is for communicating with described base station 101 by transmitting-receiving LTE signal；
Described base station signal decision unit is for the AeroMACs signal that described AeroMACs signal transmitting and receiving unit receives
Signal quality detects, and detects the signal quality of the LTE signal that described LTE signal transmitting and receiving unit receives,
And control described AeroMACs signal transmitting and receiving unit and the operation of described LTE signal transmitting and receiving unit according to testing result or stop
Sleep, so that described base station signal transceiver module is led to described base station 101 by AeroMACs signal or LTE signal
Letter.
In the embodiment that the present invention provides, described wireless terminal 104 is fixed terminal, and described fixed terminal passes through
Wireless link and base station 101 keep communicate interconnection, are mostly installed at by fixed communication apparatus (i.e. information collecting device),
As radar, image first-class.Fixed communication apparatus is placed in each region of airdrome scene according to self-demand, so fixed communication
The wireless signal that equipment position covers potentially includes AeroMACs signal, LTE signal and WiFi signal these three
In one or more, and the communication quality of different wireless signal there is some difference.In order to ensure fixed terminal and base station
Communication quality between 101, fixed terminal needs to utilize received signal strength, Link Quality Index, carrier wave and interference and
The technical specifications such as noise ratio carry out Channel Detection, select one of which wireless signal to be attached.
In the embodiment that the present invention provides, described wireless terminal 104 is mobile terminal, as it is shown in figure 5, it is
The structural representation of a kind of mobile terminal that fifth embodiment of the invention is provided, in figure, other communication modules are information
Harvester, described mobile terminal can also include voice communications module, and/or display control module, to realize corresponding merit
Energy.
Such as, described mobile terminal also includes: voice communications module；
Described voice communications module is connected with described user data transceiver module, for receiving the language of airdrome scene staff
Sound inputs and plays voice to described airdrome scene staff, to realize described airdrome scene staff and other airports
Real-time Communication for Power between scene staff or airdrome control personnel.
And for example, described mobile terminal also includes: display control module；
Described display control module is connected with described user data transceiver module, for carrying out people with described airdrome scene staff
Machine is mutual, inquires about Airport information by described wireless terminal 104 realizing described airdrome scene staff.
Mobile terminal is connected with base station 101 by wireless signal, mainly hand-held by surface personnel or be arranged on airport car
Wait on mobile traffic.Mobile terminal can realize three kinds of functions by configuring corresponding module:
A) mobile terminal connects the first-class sensor of shooting and uploads sensor information to base station 101 in real time.As a example by photographic head,
Mobile terminal uploads camera collection image, it is achieved airdrome scene mobile monitoring function.
B) mobile terminal is equipped with display control module.Display control module can realize surface personnel's interactive capability, convenient work
Personnel inquiry information needed.
C) mobile terminal is equipped with voice communications module.Voice communications module and display control module realize base station end staff jointly
And real-time communication function between surface personnel and surface personnel, it is possible to pass on the information such as request, order.
The whole scene in covering airport, moving region of mobile terminal, especially refers on airport that corridor and tarmac area are mobile terminal
Main movement region.Airport refers to that corridor and tarmac area all have building, easily forms signal blind zone.In non-signal blind area,
AeroMACs signal or LTE signal communication quality are outstanding, and in signal blind zone, WiFi signal communication quality has advantage.
Mobile terminal in the two region there is also difference along with the communication quality changing different wireless signal of position.So,
Mobile terminal has two ways and interconnects with base station 101:
A) mobile terminal is straight with base station 101 by AeroMACs wireless link or LTE wireless link in non-signal blind area
Connect interconnection；
B) mobile terminal is connected with WiFi relay station 102 by WiFi link in signal blind zone, WiFi Middle St station and base
Stand 101 by AeroMACs signal or the holding interconnection of LTE signal, final guarantee mobile terminal and system base-station communication.
In summary, for ensureing the communication quality of mobile terminal and base station 101, mobile terminal needs to utilize different technology
Index carries out channel monitoring, selects one of which wireless signal to be attached.It is strong that the technical specification judged includes receiving signal
Degree (SRRI), link-quality mark (LQI), carrier wave and interference and noise ratio (CINR).Meeting the bar of Information Channel Index
Under part, selecting a kind of wireless signal connect and keep path, other wireless signal links are in a dormant state.When mobile whole
When end keeps the wireless link circuitry quality of path to be less than threshold value owing to the factors such as position cause, other wireless signal links
Breaking dormancy state, mobile terminal rejudges each communicating wireless signals quality, and selects suitable wireless link to cut
Change, to ensure communication quality.Threshold value by received signal strength (SRRI), link-quality mark (LQI), carrier wave with
Interference and noise ratio (CINR) determine.
The present invention also provides for a kind of method that wireless terminal 104 selects communication channel, refer to Fig. 6, and it is the present invention
A kind of wireless terminal 104 that six embodiments are provided selects the flow chart of communication channel, the nothing that the embodiment of the present invention is provided
Line terminal 104 selects the method for communication channel to comprise the following steps:
Step S101: base station signal transceiver module detection AeroMACs signal and LTE signal.
Step S102: described base station signal transceiver module selects AeroMACs communication channel and LTE to lead to according to result of detection
The communication channel that in letter channel, signal quality is optimum is as the communication channel of transceiver base station signal.
Step S103:WiFi signal transmitting and receiving module detection WiFi signal.
Step S104: dual link judging module is to the signal quality of the communication channel of described transceiver base station signal and transmitting-receiving WiFi
The signal quality of the communication channel of signal carries out detecting, comparing, and controls described base station signal transmitting-receiving mould according to comparative result
Block and the operation of WiFi signal transceiver module or dormancy so that described wireless terminal 104 by signal quality optimum one
Bar communication channel communicates with described base station 101 or described WiFi relay station 102.
It should be noted that in the embodiment of the present invention, the base station signal transceiver module in described WiFi relay station 102 and
Base station signal transceiver module in described wireless terminal 104 needs to detect the communication channel of base station signal, to select
The preferable communication channel of signal quality communicates, and both detection modes are roughly the same, refer to Fig. 7, and it is
The base station signal transceiver module that seventh embodiment of the invention is provided selects the flow chart of communication channel, and described base station signal is received
The step sending out module selection communication channel is as follows:
1) a judgement link is used for detecting whether full frequency band in current radio environment has AeroMACs signal, if not having
AeroMACs signal then continues detection, if there being AeroMACs signal, then records all AeroMACs signals and link thereof
Communication quality.Another judgement link detection LTE signal method is identical with AeroMACs detecting link.
2) judge whether the AeroMACs signal detected only has a link, if only one link, be then directly entered
Next step judges；If more than a link, then selecting next step judgement of entrance of link communication optimal quality.LTE signal
Detecting link step is identical with this.
3) multilevel iudge AeroMACs link-quality and LTE link-quality, select the excellent link of link-quality as path,
Another link is the most in a dormant state.
It addition, the dual link judging module in described wireless terminal 104 needs to examine base station signal and WiFi signal
Surveying, and then select preferably one communication channel of signal quality to communicate, refer to Fig. 8, it is that the present invention the 8th is real
The dual link judging module that executing example is provided selects the flow chart of communication channel, and described dual link judging module selects communication letter
The step in road is as follows:
1) judging whether have WiFi signal in wireless environment, if not having WiFi signal, this system continues detection, if having
The link that WiFi signal then Systematic selection link-quality is optimum, and carry out next step；
2) judging whether base station signal transceiver module has link to be in path, without link, then this decision system continues
Detection, if there being path link, then enters next step；
3) comparing base station communication link quality and WiFi communication link-quality, one link of system optimum selecting keeps path,
Another is the most in a dormant state.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material
Material or feature are contained at least one embodiment or the example of the present invention.In this manual, above-mentioned term is shown
The statement of meaning property is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, the most conflicting
In the case of, those skilled in the art can be by the different embodiments described in this specification or example and different embodiment
Or the feature of example is combined and combines.
It should be noted that flow chart and block diagram in accompanying drawing show the system of multiple embodiments according to the present invention, side
Method and architectural framework in the cards, function and the operation of computer program.In this, in flow chart or block diagram
Each square frame can represent a module, program segment or a part for code, the one of described module, program segment or code
Part comprises the executable instruction of one or more logic function for realizing regulation.It should also be noted that in some conduct
In the realization replaced, the function marked in square frame can also occur to be different from the order marked in accompanying drawing.Such as,
Two continuous print square frames can essentially perform substantially in parallel, and they can also perform sometimes in the opposite order, and this depends on
Depending on involved function.It is also noted that each square frame in block diagram and/or flow chart and block diagram and/or stream
The combination of the square frame in journey figure, can realize by the special hardware based system of the function or action that perform regulation,
Or can realize with the combination of specialized hardware with computer instruction.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, permissible
Realize by another way.Device embodiment described above is only schematically, such as, and multiple unit or group
Part can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, institute
Display or the coupling each other discussed or direct-coupling or communication connection can be by some communication interfaces, device or
The INDIRECT COUPLING of unit or communication connection, can be electrical, machinery or other form.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: its
Still the technical scheme described in foregoing embodiments can be modified, or special to the most some or all of technology
Levy and carry out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the present invention and respectively implement
The scope of example technical scheme, it all should be contained in the middle of the claim of the present invention and the scope of description.
Claims (10)
1. an airdrome scene wireless communication system, it is characterised in that including: at base station, WiFi relay station and data
Reason center；Wherein,
In the range of airdrome scene is located in described base station, described base station and described data processing centre, described WiFi relay station
All communicate to connect with described wireless terminal, for connecting described WiFi relay station in the signal cover of described base station
With the communication link between described data processing centre and connecting between described wireless terminal and described data processing centre
Communication link；
Described WiFi relay station all communicates to connect with described base station and described wireless terminal, and institute is located at by described WiFi relay station
State the signal blind zone periphery of base station, for covering WiFi signal to described signal blind zone, so that described wireless terminal is in institute
It is connected to described WiFi relay station by WiFi signal in stating the signal blind zone of base station；
Described data processing centre is also connected with airdrome control server and the Internet, for the letter uploading each wireless terminal
Breath carries out merging, forwarding, and in realizing system between each wireless terminal and described airdrome control server and the Internet
Communication.
Airdrome scene wireless communication system the most according to claim 1, it is characterised in that described Data processing
Pericardium includes: gateway module, authentication module, webmaster module and data processing module；
Described gateway module, authentication module and webmaster module are all connected with described data processing module；
Described gateway module is also connected with the Internet, for distributing the IP address of wireless terminal each in system unitedly
And management, and communication between each wireless terminal and the Internet in realizing system；
Described authentication module is used for carrying out wireless terminal each in system authentication, and in certification by the described nothing of rear permission
Line terminal access system；
Described webmaster module is for being managed collectively intrasystem described base station, WiFi relay station and wireless terminal；
Described data processing module is also connected with described base station and described airdrome control server, for each wireless terminal
The information passed carries out merging, forwarding, and leading between each wireless terminal and described airdrome control server in realizing system
Letter.
Airdrome scene wireless communication system the most according to claim 1, it is characterised in that described base station includes:
AeroMACs signal transmitting and receiving module and LTE signal transmitting and receiving module, described AeroMACs signal transmitting and receiving module and LTE signal
Transceiver module is respectively used to cover AeroMACs signal and LTE signal to airdrome scene so that described WiFi relay station and
Described wireless terminal passes through AeroMACs signal or LTE signal and described base station in the signal cover of described base station
Communication connection.
Airdrome scene wireless communication system the most according to claim 3, it is characterised in that described base station also includes:
Gps antenna, is used for described data processing centre, described WiFi relay station and described wireless terminal time service, so that described
Data processing centre, described WiFi relay station and described wireless terminal clock synchronize.
Airdrome scene wireless communication system the most according to claim 1, it is characterised in that described WiFi relay station
Including: the base station signal transceiver module of interconnection and WiFi signal modular converter；
Described base station signal transceiver module is also connected with described base station, for by AeroMACs signal or LTE signal with
Described base station communicates；
Described WiFi signal modular converter is connected with described wireless terminal, for AeroMACs signal or LTE signal being turned
It is changed to WiFi signal send to described wireless terminal, or the WiFi signal that described wireless terminal sends is converted to
AeroMACs signal or LTE signal send to described base station signal transceiver module.
6. a nothing adaptive with the airdrome scene wireless communication system described in any one of claim 1 to claim 5
Line terminal, it is characterised in that described wireless terminal is mobile terminal or fixed terminal；Described wireless terminal includes: base station
Signal transmitting and receiving module, WiFi signal transceiver module, dual link judging module and user data transceiver module；
Described base station signal transceiver module is connected with described dual link judging module and base station, for operationally passing through base station
Signal communicates with described base station；Wherein, described base station signal includes AeroMACs signal or LTE signal；
Described WiFi signal transceiver module is connected with described dual link judging module and described WiFi relay station, in fortune
Communicated with described WiFi relay station by WiFi signal during row；
Described dual link judging module is also connected with described user data transceiver module, for base station signal communication channel
The signal quality of signal quality and WiFi signal communication channel detects, and controls described base station letter according to testing result
Number transceiver module and the operation of WiFi signal transceiver module or dormancy, so that described wireless terminal is by a wherein communication
Channel communicates with described base station or described WiFi relay station, described dual link judging module also with described user data
Communicate between transceiver module；
Described user data transceiver module is connected with information collecting device, for receiving the machine that described information collecting device gathers
Field scenario information is also uploaded to data processing centre.
Wireless terminal the most according to claim 6, it is characterised in that described base station signal transceiver module includes AeroMACs
Signal transmitting and receiving unit, LTE signal transmitting and receiving unit and base station signal decision unit；
Described AeroMACs signal transmitting and receiving unit and described LTE signal transmitting and receiving unit all with described base station signal decision unit
Connect；
Described AeroMACs signal transmitting and receiving unit is for communicating with described base station by transmitting-receiving AeroMACs signal；
Described LTE signal transmitting and receiving unit is for communicating with described base station by transmitting-receiving LTE signal；
Described base station signal decision unit is for the AeroMACs signal that described AeroMACs signal transmitting and receiving unit receives
Signal quality detects, and detects the signal quality of the LTE signal that described LTE signal transmitting and receiving unit receives,
And control described AeroMACs signal transmitting and receiving unit and the operation of described LTE signal transmitting and receiving unit according to testing result or stop
Sleep, so that described base station signal transceiver module is communicated with described base station by AeroMACs signal or LTE signal.
Wireless terminal the most according to claim 6, it is characterised in that described wireless terminal is mobile terminal, described
Wireless terminal also includes: voice communications module；
Described voice communications module is connected with described user data transceiver module, for receiving the language of airdrome scene staff
Sound inputs and plays voice to described airdrome scene staff, to realize described airdrome scene staff and other airports
Real-time Communication for Power between scene staff or airdrome control personnel.
Wireless terminal the most according to claim 6, it is characterised in that described wireless terminal is mobile terminal, described
Wireless terminal also includes: display control module；
Described display control module is connected with described user data transceiver module, for carrying out people with described airdrome scene staff
Machine is mutual, to realize described airdrome scene staff by described wireless terminal inquiry Airport information.
10. the method that claim 6 selects communication channel to the wireless terminal described in any one of claim 9, its
It is characterised by, including:
Base station signal transceiver module detection AeroMACs signal and LTE signal；
Described base station signal transceiver module selects to believe in AeroMACs communication channel and LTE communication channel according to result of detection
One communication channel of number optimal quality is as the communication channel of transceiver base station signal；
WiFi signal transceiver module detection WiFi signal；
Dual link judging module is to the signal quality of the communication channel of described transceiver base station signal and leading to of transmitting-receiving WiFi signal
The signal quality of letter channel carries out detecting, comparing, and controls described base station signal transceiver module and WiFi according to comparative result
The operation of signal transmitting and receiving module or dormancy, so that described wireless terminal passes through an optimum communication channel of signal quality and institute
State base station or described WiFi relay station communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440318.0A CN105873086A (en) | 2016-06-16 | 2016-06-16 | Airport surface wireless communication system and wireless terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440318.0A CN105873086A (en) | 2016-06-16 | 2016-06-16 | Airport surface wireless communication system and wireless terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105873086A true CN105873086A (en) | 2016-08-17 |
Family
ID=56650829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610440318.0A Pending CN105873086A (en) | 2016-06-16 | 2016-06-16 | Airport surface wireless communication system and wireless terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105873086A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376008A (en) * | 2016-09-06 | 2017-02-01 | 上海数果科技有限公司 | Wireless communication system and wireless communication smart terminal for radio dead zone |
| CN107124742A (en) * | 2017-04-01 | 2017-09-01 | 捷开通讯(深圳)有限公司 | Realize the method and communication terminal of WLAN and LTE network automatic switchover |
| CN109150288A (en) * | 2018-08-28 | 2019-01-04 | 西南科技大学 | A kind of aviation communication system based on ACARS and MACS |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060281404A1 (en) * | 2005-06-13 | 2006-12-14 | Samsung Electronics Co., Ltd | Relay system and method for cellular communication |
| CN101765229A (en) * | 2008-12-25 | 2010-06-30 | 上海寰创通信科技有限公司 | Method for solving WLAN network coverage blind area by terminal relay |
| CN101919287A (en) * | 2007-10-19 | 2010-12-15 | 诺维泰尔有限公司 | Connection handover handling |
| CN102300276A (en) * | 2011-09-14 | 2011-12-28 | 重庆大学 | Method for realizing automatic switch between time division-synchronization code multiple access (TD-SCDMA) cellular network and wireless local area network in heterogeneous network |
| CN102387067A (en) * | 2011-09-27 | 2012-03-21 | 陕西中联电科电子有限公司 | Various networks based polymorphism information interaction system |
| CN102711201A (en) * | 2012-06-06 | 2012-10-03 | 中兴通讯股份有限公司 | Multi-mode RAT switching method and device thereof |
| CN103024845A (en) * | 2012-12-14 | 2013-04-03 | 南京邮电大学 | Adaptive vertical handoff method based on UMTS (universal mobile telecommunications system) and WLAN (wireless local area network) |
| CN203206233U (en) * | 2013-04-23 | 2013-09-18 | 深圳市共进电子股份有限公司 | 4G standard based wireless broadband device |
| CN103716860A (en) * | 2012-10-09 | 2014-04-09 | 华为技术有限公司 | Method and apparatus for processing Wifi frame |
| CN104243059A (en) * | 2014-08-26 | 2014-12-24 | 李青花 | Relay transmission method and optimization method based on wireless local area network |
| CN105376828A (en) * | 2014-08-25 | 2016-03-02 | 中兴通讯股份有限公司 | Wireless Internet access methods, wireless host equipment and wireless communication access equipment |
| CN205754871U (en) * | 2016-06-16 | 2016-11-30 | 中国民用航空总局第二研究所 | Airdrome scene wireless communication system and wireless terminal |
-
2016
- 2016-06-16 CN CN201610440318.0A patent/CN105873086A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060281404A1 (en) * | 2005-06-13 | 2006-12-14 | Samsung Electronics Co., Ltd | Relay system and method for cellular communication |
| CN101919287A (en) * | 2007-10-19 | 2010-12-15 | 诺维泰尔有限公司 | Connection handover handling |
| CN101765229A (en) * | 2008-12-25 | 2010-06-30 | 上海寰创通信科技有限公司 | Method for solving WLAN network coverage blind area by terminal relay |
| CN102300276A (en) * | 2011-09-14 | 2011-12-28 | 重庆大学 | Method for realizing automatic switch between time division-synchronization code multiple access (TD-SCDMA) cellular network and wireless local area network in heterogeneous network |
| CN102387067A (en) * | 2011-09-27 | 2012-03-21 | 陕西中联电科电子有限公司 | Various networks based polymorphism information interaction system |
| CN102711201A (en) * | 2012-06-06 | 2012-10-03 | 中兴通讯股份有限公司 | Multi-mode RAT switching method and device thereof |
| CN103716860A (en) * | 2012-10-09 | 2014-04-09 | 华为技术有限公司 | Method and apparatus for processing Wifi frame |
| CN103024845A (en) * | 2012-12-14 | 2013-04-03 | 南京邮电大学 | Adaptive vertical handoff method based on UMTS (universal mobile telecommunications system) and WLAN (wireless local area network) |
| CN203206233U (en) * | 2013-04-23 | 2013-09-18 | 深圳市共进电子股份有限公司 | 4G standard based wireless broadband device |
| CN105376828A (en) * | 2014-08-25 | 2016-03-02 | 中兴通讯股份有限公司 | Wireless Internet access methods, wireless host equipment and wireless communication access equipment |
| CN104243059A (en) * | 2014-08-26 | 2014-12-24 | 李青花 | Relay transmission method and optimization method based on wireless local area network |
| CN205754871U (en) * | 2016-06-16 | 2016-11-30 | 中国民用航空总局第二研究所 | Airdrome scene wireless communication system and wireless terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376008A (en) * | 2016-09-06 | 2017-02-01 | 上海数果科技有限公司 | Wireless communication system and wireless communication smart terminal for radio dead zone |
| CN107124742A (en) * | 2017-04-01 | 2017-09-01 | 捷开通讯(深圳)有限公司 | Realize the method and communication terminal of WLAN and LTE network automatic switchover |
| CN109150288A (en) * | 2018-08-28 | 2019-01-04 | 西南科技大学 | A kind of aviation communication system based on ACARS and MACS |
| CN109150288B (en) * | 2018-08-28 | 2021-09-28 | 西南科技大学 | Aeronautical communication system based on ACARS and MACS |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6825017B2 (en) | Remote unit daisy chain ring for distributed antenna system | |
| KR101668196B1 (en) | Monitoring UAVs Ad-hoc Network Architecture and Suitable Technologies to Detect, Track, and Eliminate Illegal UAVs | |
| Ho et al. | Next-generation wireless solutions for the smart factory, smart vehicles, the smart grid and smart cities | |
| CN109450515A (en) | A kind of large and medium-sized UAV Communication relay system | |
| CN110113216A (en) | Internet of things equipment fault remote repair system | |
| US20220315076A1 (en) | Permanent-Magnet Magnetic Levitation Rail Transit Control System Based On 5G Communication Technology | |
| CN203233545U (en) | Multi-mode radio communication test platform used for cooperative vehicle infrastructure | |
| US20160144875A1 (en) | Apparatus and method for distributed processing of train monitoring traffic based on hierarchical wireless sensor network | |
| US11272500B2 (en) | Unified facility communications system with device location | |
| CN105873086A (en) | Airport surface wireless communication system and wireless terminal | |
| CN205754871U (en) | Airdrome scene wireless communication system and wireless terminal | |
| CN112672427B (en) | Mine communication method, device, equipment, system and storage medium | |
| CN104079866A (en) | Front-end processing equipment for video monitoring data and front-end processing method for video monitoring data | |
| CN109586784A (en) | A kind of airborne route implementation method based on the transmission of more security level datas | |
| CN110022582A (en) | A kind of vehicle-mounted monitoring information comprehensive transmission platform and method | |
| CN110166112A (en) | A kind of Unmanned Aerial Vehicle Data Link of over the horizon dual station relay control | |
| CN101801017B (en) | Self-maintenance system of mobile sensor network communication link and self-maintenance method thereof | |
| CN102720539A (en) | Mine man-machine positioning and production environment monitoring method based on wireless technology | |
| Gaur et al. | Vertical handover decision for mobile IoT edge gateway using multi-criteria and fuzzy logic techniques | |
| Schalk | Communication links for unmanned aircraft systems in very low level airspace | |
| CN207820246U (en) | A kind of vehicle-mounted monitoring information comprehensive transmission platform | |
| CN117022665A (en) | 5G millimeter wave and Sub6 GHz-based aircraft ground overhaul maintenance method | |
| CN102281547A (en) | Node coverage combined device and energy-saving and noise-reducing communication coverage system | |
| KR101289725B1 (en) | Wireless communication system on mono-rail, control method thereof, and wireless communication system data processing method on mono-rail | |
| Alasali et al. | Providing internet to trains using MIMO in LTE networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
|
| RJ01 | Rejection of invention patent application after publication |