CN107600117A - A kind of rail vehicle earth communication system and method - Google Patents
A kind of rail vehicle earth communication system and method Download PDFInfo
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- CN107600117A CN107600117A CN201710696100.6A CN201710696100A CN107600117A CN 107600117 A CN107600117 A CN 107600117A CN 201710696100 A CN201710696100 A CN 201710696100A CN 107600117 A CN107600117 A CN 107600117A
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Abstract
The present invention, which provides a kind of rail vehicle earth communication system and method, system, to be included：Vehicle-mounted access device, trackside access equipment and trackside zone controller；Vehicle-mounted access device and trackside access equipment pass through trackside backbone network and trackside zone controller connection communication by wireless two-way communication, trackside access equipment；Vehicle-mounted access device includes vehicle-mounted access unit and car antenna, and vehicle-mounted access unit is communicated by car antenna with trackside access equipment；Trackside access equipment includes trackside access unit and one or more phased array antenna；Trackside access unit obtains train position information in phased array antenna communication coverage by trackside zone controller, the quantity of adjustment phased array antenna synthesis wave beam and the angle of each wave beam is controlled to make it meet to cover train-installed antenna communication scope in real time according to train position information, control phased array antenna communicates with vehicle-mounted access device.CBTC system communication coverages can be improved, realize remote, a wide range of and high quality communication.
Description
Technical field
The present embodiments relate to technical field of rail transit communication, and in particular to a kind of rail vehicle earth communication system
And method.
Background technology
It is two-way in field of track traffic, CBTC (communication-based train control) system using continuous, Large Copacity car
Reliable data communication realizes that Train Control information, train status information are wirelessly transferred, and is advanced train auto-matic control system
System.DCS (data communication system) subsystem realizes information exchange two-way, continuous, at a high speed, safe between car ground, carries straight
The significant data information for being related to traffic safety is connect, is the core of CBTC systems.
At present, the DCS that domestic track traffic uses generally uses fixed orientation or omnidirectional antenna, the angle of antenna communication
Degree is constant, i.e., antenna radiation pattern is fixed, for example with based on LTE (Long Term Evolution), WLAN (WLAN) skill
The data communication system of art.
But DCS can bring a series of defects using fixed orientation or omnidirectional antenna：
First, because car-ground antenna port transmission power is limited by laws and regulations, built to reduce ground communication facilities
For cost, it is necessary to which single antenna is covered from as far as nearly sufficiently large distance, this just needs the deflection for increasing antenna, but antenna directional angle
Expand antenna gain therewith to decline, communication coverage is possible to not increase anti-drop, so traditional directional aerial launches work(in port
In the case that rate is constant, want to reach coverage distance remote, while antenna gain is difficult greatly.
2nd, in order to ensure antenna footprint, the current larger deflection of track traffic terrestrial antenna system generally use
Directional aerial, but increase antenna angle and can easily receive the interference of other signals, communicated especially with the WLAN of common frequency band
System.
3rd, traditional phased array antenna is to concentrate wave beam to realize high-gain telecommunication, by constantly changing antenna ripple
Beam angle degree, particles, so as to realize the covering of larger communication range, the beam angle control of antenna typically by reception signal come
Judge its direction, but this antenna is realized complicated, and volume is larger, and cost increases therewith.
4th, tradition directional aerial limited coverage area at turn inside diameter, in order to obtain more preferable communication efficiency, antenna spacing
Distance is shorter compared with rectilinear orbit, is used so as to add more ground installations.
Therefore, the communication coverage of CBTC systems how is improved, to realize that CBTC systems are remote, a wide range of and high
The communication of quality turns into the current technical issues that need to address.
The content of the invention
In consideration of it, the embodiment of the present invention aims to provide a kind of rail vehicle earth communication system and method, to improve CBTC
The communication coverage of system, realize that CBTC systems are remote, a wide range of and high quality communication.
In a first aspect, the embodiment of the present invention proposes a kind of rail vehicle earth communication system, including：Vehicle-mounted access device,
Trackside access equipment and trackside zone controller；
The vehicle-mounted access device and the trackside access equipment wirelessly carry out two-way communication, and the trackside connects
Enter equipment and be attached with trackside zone controller by trackside backbone network to communicate；
The vehicle-mounted access device includes：Vehicle-mounted access unit and car antenna, the vehicle-mounted access unit pass through described
Car antenna is communicated with the trackside access equipment；
The trackside access equipment includes：Trackside access unit and one or more phased array antenna；
The trackside access unit, for obtaining the phased array antenna communication overlay by the trackside zone controller
In the range of train position information, according to acquired train position information, control in real time adjusts the phased array antenna synthesis
The angle of the quantity of wave beam and each wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication,
The phased array antenna is controlled to be communicated by the car antenna with the vehicle-mounted access device.
Alternatively, the trackside access unit, is additionally operable to
If trackside access unit is not got in phased array antenna communication coverage by trackside zone controller
The positional information of train-installed antenna, then phased array antenna is controlled to be swept in communication coverage to train-installed antenna
Retouch, to obtain the train position information that train is sent in communication coverage, adjustment institute is controlled according to the train position information
State the quantity of phased array antenna synthesis wave beam and the angle of each wave beam.
Alternatively, the vehicle-mounted access unit is connected with the car antenna by radio-frequency cable, and the trackside access is single
The first and phased array antenna wired connection.
Alternatively, the quantity of the trackside access unit is multiple that each trackside access unit is according to acquired train
Positional information, in real time control adjust the predetermined number phased array antenna closest with the trackside access unit and synthesize wave beam
The angle of quantity and each wave beam；
Or the trackside access unit is identical with the quantity of the phased array antenna and corresponds, each trackside connects
Enter unit according to acquired train position information, the quantity of the corresponding phased array antenna synthesis wave beam of control adjustment in real time and
The angle of each wave beam.
Alternatively, the wave beam of the phased array antenna synthesis can carry out phase on two axial planes of the phased array antenna
Position change control, the scanning angle of each axial direction is covers orbital region immediately below the phased array antenna.
Alternatively, the phased array antenna is installed on above track, and the plane of departure of the phased array antenna is respectively towards row
The relative and opposite direction of car traveling tilts down the installation of 35-55 degree angle, to meet that its communication range covers the phased array antenna
Region in underface region and the phased array antenna preset range.
Alternatively, the trackside access unit, is specifically used for
The position of the train-installed antenna in phased array antenna communication coverage is obtained by the trackside zone controller
Confidence ceases；
According to the positional information, the position and direction of train are determined；
According to the position and direction of the train, control in real time adjusts the quantity of the phased array antenna synthesis wave beam and every
The angle of individual wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication；
The phased array antenna is controlled to be communicated by the car antenna with the vehicle-mounted access device.
Second aspect, the embodiment of the present invention proposes a kind of rail transit field communication means, based on above-mentioned rail vehicle
Earth communication system, including：
Trackside access equipment obtains the train position in phased array antenna communication coverage by trackside zone controller
Information；
Trackside access equipment adjusts the phased array antenna composite wave according to acquired train position information, in real time control
The angle of the quantity of beam and each wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication；
Trackside access equipment controls the phased array antenna to be communicated by the car antenna with vehicle-mounted access device.
Alternatively, the trackside access equipment is obtained in phased array antenna communication coverage by trackside zone controller
Train-installed antenna positional information, in addition to：
If trackside access unit is not got in phased array antenna communication coverage by trackside zone controller
The positional information of train-installed antenna, then phased array antenna is controlled to be swept in communication coverage to train-installed antenna
Retouch, to obtain the train position information that train is sent in communication coverage, adjustment institute is controlled according to the train position information
State the quantity of phased array antenna synthesis wave beam and the angle of each wave beam.
Alternatively, the train position information acquired in the basis, in real time control adjust the phased array antenna composite wave
The angle of the quantity of beam and each wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication, bag
Include：
According to acquired train position information, the position and direction of train are determined；
According to the position and direction of the train, control in real time adjusts the quantity of the phased array antenna synthesis wave beam and every
The angle of individual wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication.
As shown from the above technical solution, rail vehicle of embodiment of the present invention earth communication system and method, use phased array
Antenna is communicated instead of traditional directional aerial, it is possible to increase the communication coverage of CBTC systems, realizes CBTC system long distances
From the communication of, wide-angle communication range and high quality, reduce by-track antenna amount, reduce and face frequency and done with the signal of frequency
Disturb, improve reliability and security；By obtain train position information instruct phased array antenna synthesize wave beam quantity and
The mode of angle, than judging that angular way system architecture is simple, reliable, cost by reception signal by traditional phased array antenna
It is low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of rail vehicle earth communication system provided in an embodiment of the present invention；
Fig. 2 is the scheme of installation of phased array antenna provided in an embodiment of the present invention；
Fig. 3 is a kind of operating diagram of phased array antenna provided in an embodiment of the present invention；
Fig. 4 is the communication overlay of phased array antenna provided in an embodiment of the present invention and traditional directional aerial in track turns
Contrast on effect schematic diagram；
Fig. 5 is a kind of schematic flow sheet of rail transit field communication means provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 shows a kind of structural representation of rail vehicle earth communication system provided in an embodiment of the present invention.Such as Fig. 1
It is shown, the rail vehicle earth communication system of the embodiment of the present invention, including：Vehicle-mounted access device 01 (on train), trackside access
Equipment 02 (on ground) and trackside zone controller 03 (on ground)；
The vehicle-mounted access device 01 and the trackside access equipment 02 wirelessly carry out two-way communication.The rail
Other access device 01 is attached by trackside backbone network with trackside zone controller 03 to communicate.
The vehicle-mounted access device 01 includes：Vehicle-mounted access unit 011 and car antenna 012.The vehicle-mounted access unit
011 is communicated by the car antenna 012 with the trackside access equipment 02.
The trackside access equipment 02 includes：Trackside access unit 021 and (the i.e. phase of one or more phased array antenna 022
Position control Electronically Scanned Array antenna).
The trackside access unit 021, for obtaining the phased array antenna 022 by the trackside zone controller 03
Train position information in communication coverage, according to acquired train position information, control in real time adjusts the phased array
Antenna 022 synthesizes the quantity of wave beam and the angle of each wave beam, so that the phased array antenna 022 meets to cover train-installed day
The scope of line communication, controls the phased array antenna 022 to be carried out by the car antenna 012 and the vehicle-mounted access device 01
Communication.
Specifically, the trackside access unit 021, can be specifically used for
The position of the train-installed antenna in phased array antenna communication coverage is obtained by the trackside zone controller
Confidence ceases；
According to the positional information, the position and direction of train are determined；
According to the position and direction of the train, control in real time adjusts the quantity of the phased array antenna synthesis wave beam and every
The angle of individual wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication；
The phased array antenna is controlled to be communicated by the car antenna with the vehicle-mounted access device.
Further, the trackside access unit 021, can be also used for
If trackside access unit 021 does not get the communication overlay of phased array antenna 022 by trackside zone controller 03
In the range of train-installed antenna positional information, then control phased array antenna 022 in communication coverage to train-installed
Antenna 012 is scanned, and to obtain the train position information that train is sent in communication coverage, is believed according to the train position
Breath control adjusts the phased array antenna 022 and synthesizes the quantity of wave beam and the angle of each wave beam.
In a particular application, the vehicle-mounted access unit 011 is connected with the car antenna 012 by radio-frequency cable, institute
State trackside access unit 021 and the wired connection of phased array antenna 022.
In a concrete application, the quantity of the trackside access unit 021 can be multiple, each trackside access unit
021 according to acquired train position information, in real time control adjustment and the trackside access unit closest predetermined number
The quantity of phased array antenna synthesis wave beam and the angle of each wave beam.
In another concrete application, the trackside access unit 021 can be identical with the quantity of the phased array antenna 022
And correspond, each trackside access unit 021 is according to acquired train position information, the corresponding phase of control adjustment in real time
Control array antenna 022 and synthesize the quantity of wave beam and the angle of each wave beam.
In a particular application, two axial planes of the wave beam that the phased array antenna 022 synthesizes in the phased array antenna 022
On can carry out phase place change control, the scanning angle of each axial direction is covers track regions immediately below the phased array antenna
Domain, coverage are the bigger the better greatly, such as can be 45 degree of -135 degree, also can meet practical application according to setting angle.
It is understood that according to the position and direction of communication object, phased array antenna can synthesize a wave beam and carry out
Transmitting and reception, the multiple wave beams that can also synthesize different directions are received.Trackside access unit 021 passes through wired mode control
The number of beams of phased array antenna 022 processed and the direction of each wave beam, phased array antenna can be simultaneously to multiple different directions mesh
Mark is communicated.
In a particular application, the phased array antenna 022 is installed on above track, the plane of departure of the phased array antenna
The installation of 35-55 degree angle can be tilted down towards the relative and opposite direction of train driving respectively, to meet that its communication range covers institute
State the region in phased array antenna underface region and the phased array antenna preset range.It is it is understood that described default
In the range of region be the region of the phased array antenna as far as possible, for example, the antenna surface of the phased array antenna with
The angle of horizontal plane can be that 45 degree of angles tilt down installation.
Two phased array antenna are included with trackside access equipment below：Carried out exemplified by phased array antenna A and phased array antenna B
Further illustrating, phased array antenna A and phased array antenna B installation may be referred to Fig. 2, wherein, 1 is train rail, and 2 be phased
Communication zone corresponding to array antenna A main beam angle [alpha]s, 3 be communication zone corresponding to phased array antenna A main beam angle betas, and 4 are
Communication zone corresponding to phased array antenna A main beam angle γs, 5 be the comunication area corresponding to phased array antenna A main beam angle, θs
Domain, 6 be phased array antenna A, and 7 be phased array antenna B, and 8 be phased array antenna mounting bracket, and 9 be phased array antenna B main beams angle
Communication zone corresponding to θ is spent, 10 be communication zone corresponding to phased array antenna B main beam angle γs, and 11 be phased array antenna B master
Communication zone corresponding to beam angle β, 12 be communication zone corresponding to phased array antenna B main beam angle [alpha]s.
Fig. 3 is the operating diagram of the phased array antenna by taking phased array antenna A and phased array antenna B as an example, wherein, 13 are
Train, 14 be train-installed antenna.The traffic direction to be drawn near according to train, trackside access unit control phased array antenna A
Wave beam is sailed towards train to be carried out orientation angle transmitting and receives data, and phased array antenna B is towards angular emission immediately below track and receives number
According to.After train-installed antenna enters phased array antenna A communication range, trackside access unit is obtained by trackside zone controller
The positional information of present communications train is taken, adjusts the angle of phased array antenna A wave beams in real time according to the positional information, to meet phase
Control array antenna A can cover the scope of train-installed antenna communication, until train-installed antenna rolls phased array antenna A communication away from
Scope, trackside access unit control phased array antenna A main beams are sailed towards next train comes orientation angle transmitting and reception data.
When train-installed antenna is driven into phased array antenna B communication range, trackside access unit is controlled by trackside region
Device processed obtains the positional information of present communications train, adjusts the angle of phased array antenna B wave beams in real time according to the positional information, with
Meet that phased array antenna B can cover the scope of train-installed antenna communication, roll phased array antenna B's away to train-installed antenna
Communication range, trackside access unit control phased array antenna B towards angular emission immediately below track and receive data.
It is understood that in order to obtain optimal communication effect, the trackside access unit control phased array in the present embodiment
Antenna main beam angle can preferentially meet：Car antenna neighbouring position among main beam overlay area.Due to phased array day
Line can adjust the angle of main beam on two axial planes, situations such as can tackling track turn, solve prior art middle orbit
The problem of turning traditional antenna limited coverage area, signal difference, Fig. 4 is referred to, Fig. 4 is the phased array day of the embodiment of the present invention
Line and traditional directional aerial track turns communication overlay Contrast on effect schematic diagram, wherein, 15 be that traditional directional aerial exists
The main beam coverage of track turns, 16 be the position of traditional directional aerial or phased array antenna, and 17 be phased array antenna
In the main beam coverage of track turns.
Rail vehicle earth communication system of the embodiment of the present invention, led to using phased array antenna instead of traditional directional aerial
Letter, it is possible to increase the communication coverage of CBTC systems, realize remote CBTC systems, wide-angle communication range and high quality
Communication, reduce by-track antenna amount, reduce face frequency and the signal interference with frequency, improve reliability and security；Phase
Control array antenna wave beam can real-time adjustment angle, meet that communication range covers train-installed aerial position, realize vehicle-mounted access
Equipment and ground access device real-time Communication for Power；Phased array antenna is instructed to synthesize the quantity of wave beam by obtaining train position information
And the mode of angle, than by traditional phased array antenna by reception signal judge angular way system architecture it is simple, it is reliable, into
This is low.System described in the present embodiment can also track turns traditional antenna limited coverage area, signal difference in the prior art
Problem.
Fig. 5 shows a kind of rail transit field communication means that the present embodiment provides, based on above-mentioned rail transit field
Communication system, as shown in figure 5, the rail transit field communication means of the present embodiment, including：
S1, trackside access equipment obtain the train position in phased array antenna communication coverage by trackside zone controller
Confidence ceases.
S2, trackside access equipment adjust the phased array antenna and closed according to acquired train position information, in real time control
Into the quantity of wave beam and the angle of each wave beam, so that the phased array antenna meets the model for covering train-installed antenna communication
Enclose.
In a particular application, the step S2 according to acquired train position information, can determine train position and
Direction；According to the position and direction of the train, control in real time adjusts the quantity of the phased array antenna synthesis wave beam and each
The angle of wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication.
S3, trackside access equipment control the phased array antenna to be led to by the car antenna and vehicle-mounted access device
Letter.
It is understood that the wave beam of the phased array antenna synthesis is on two axial planes of the phased array antenna
Phase place change control is carried out, the scanning angle of each axial direction is to cover orbital region immediately below the phased array antenna, covering
Scope is the bigger the better greatly, such as can be 45 degree of -135 degree, also can meet practical application according to setting angle.According to communication
The position and direction of object, phased array antenna can synthesize a wave beam and be launched and received, and can also synthesize different directions
Multiple wave beams received.Trackside access unit controls the number of beams of phased array antenna and each wave beam by wired mode
Direction, phased array antenna can simultaneously multiple different directions targets are communicated.
It is understood that in order to obtain optimal communication effect, the trackside access unit control phased array in the present embodiment
Antenna main beam angle can preferentially meet：Car antenna neighbouring position among main beam overlay area.Due to phased array day
Line can adjust the angle of main beam on two axial planes, situations such as can tackling track turn, solve prior art middle orbit
The problem of turning traditional antenna limited coverage area, signal difference, Fig. 4 is referred to, Fig. 4 is the phased array day of the embodiment of the present invention
The communication overlay Contrast on effect schematic diagram of line and traditional directional aerial in track turns.
Rail transit field communication means of the embodiment of the present invention, based on above-mentioned rail vehicle earth communication system, use phase
Control array antenna is communicated instead of traditional directional aerial, it is possible to increase the communication coverage of CBTC systems, realizes CBTC systems
At a distance, the communication of wide-angle communication range and high quality, reduce by-track antenna amount, reduce and face frequency and the letter with frequency
Number interference, improve reliability and security；The wave beam of phased array antenna can real-time adjustment angle, meet communication range cover
Train-installed aerial position, realize vehicle-mounted access device and ground access device real-time Communication for Power；By obtaining train position information
To instruct the mode of the quantity of phased array antenna synthesis wave beam and angle, than being sentenced by traditional phased array antenna by reception signal
Disconnected angular way system architecture is simple, reliable, cost is low.
Two phased array antenna are included with trackside access equipment：Enter traveling one exemplified by phased array antenna A and phased array antenna B
Step explanation, phased array antenna A and phased array antenna B installation may be referred to Fig. 2, phased array antenna A and phased array antenna B phase
The work of control array antenna may be referred to Fig. 3.
The traffic direction to be drawn near according to train, trackside access unit control phased array antenna A wave beams to sail to come towards train
Data are launched and received to orientation angle, and phased array antenna B is towards angular emission immediately below track and receives data.When train-installed day
After line enters phased array antenna A communication range, trackside access unit passes through trackside zone controller and obtains present communications train
Positional information, the angles of phased array antenna A wave beams is adjusted in real time according to the positional information, to meet that phased array antenna A can
The scope of train-installed antenna communication is covered, until train-installed antenna rolls phased array antenna A communication range, trackside access away from
Unit control phased array antenna A main beams are sailed towards next train comes orientation angle transmitting and reception data.
When train-installed antenna is driven into phased array antenna B communication range, trackside access unit is controlled by trackside region
Device processed obtains the positional information of present communications train, adjusts the angle of phased array antenna B wave beams in real time according to the positional information, with
Meet that phased array antenna B can cover the scope of train-installed antenna communication, roll phased array antenna B's away to train-installed antenna
Communication range, trackside access unit control phased array antenna B towards angular emission immediately below track and receive data.
As a preferred embodiment, the present embodiment methods described can also include：
If trackside access unit is not got in phased array antenna communication coverage by trackside zone controller
The positional information of train-installed antenna, then phased array antenna is controlled to be swept in communication coverage to train-installed antenna
Retouch, to obtain the train position information that train is sent in communication coverage, tune is controlled according to the train position information in real time
The quantity of the whole phased array antenna synthesis wave beam and the angle of each wave beam, so that the phased array antenna meets covering train
The scope of car antenna communication.
Rail vehicle earth communication system of the embodiment of the present invention, led to using phased array antenna instead of traditional directional aerial
Letter, it is possible to increase the communication coverage of CBTC systems, realize remote CBTC systems, wide-angle communication range and high quality
Communication, reduce by-track antenna amount, reduce face frequency and the signal interference with frequency, improve reliability and security；Phase
Control array antenna wave beam can real-time adjustment angle, meet that communication range covers train-installed aerial position, realize vehicle-mounted access
Equipment and ground access device real-time Communication for Power；Phased array antenna is instructed to synthesize the quantity of wave beam by obtaining train position information
And the mode of angle, than by traditional phased array antenna by reception signal judge angular way system architecture it is simple, it is reliable, into
This is low.System described in the present embodiment can also track turns traditional antenna limited coverage area, signal difference in the prior art
Problem.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
It should be noted that term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of elements not only include those key elements, but also including
The other element being not expressly set out, or also include for this process, method, article or the intrinsic key element of equipment.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, other identical element also be present in article or equipment.
In the specification of the present invention, numerous specific details are set forth.Although it is understood that embodiments of the invention can
To be put into practice in the case of these no details.In some instances, known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.Similarly, it will be appreciated that disclose in order to simplify the present invention and helps to understand respectively
One or more of individual inventive aspect, in the description to the exemplary embodiment of the present invention above, each spy of the invention
Sign is grouped together into single embodiment, figure or descriptions thereof sometimes.However, should not be by the method solution of the disclosure
Release and be intended in reflection is following：I.e. the present invention for required protection requirement is than the feature that is expressly recited in each claim more
More features.More precisely, as the following claims reflect, inventive aspect is to be less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of embodiment are expressly incorporated in the embodiment,
Wherein each claim is in itself as separate embodiments of the invention.
Above example is merely to illustrate technical scheme, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
- A kind of 1. rail vehicle earth communication system, it is characterised in that including：Vehicle-mounted access device, trackside access equipment and rail Other zone controller；The vehicle-mounted access device and the trackside access equipment wirelessly carry out two-way communication, and the trackside access is set Standby be attached by trackside backbone network with trackside zone controller communicates；The vehicle-mounted access device includes：Vehicle-mounted access unit and car antenna, the vehicle-mounted access unit pass through described vehicle-mounted Antenna is communicated with the trackside access equipment；The trackside access equipment includes：Trackside access unit and one or more phased array antenna；The trackside access unit, for obtaining the phased array antenna communication coverage by the trackside zone controller Interior train position information, according to acquired train position information, control in real time adjusts the phased array antenna synthesis wave beam Quantity and each wave beam angle so that the phased array antenna meets the scope for covering train-installed antenna communication, control The phased array antenna is communicated by the car antenna with the vehicle-mounted access device.
- 2. system according to claim 1, it is characterised in that the trackside access unit, be additionally operable toIf trackside access unit does not get the train in phased array antenna communication coverage by trackside zone controller The positional information of car antenna, then phased array antenna is controlled to be scanned in communication coverage to train-installed antenna, with The train position information that train is sent in communication coverage is obtained, it is described phased according to train position information control adjustment The quantity of array antenna synthesis wave beam and the angle of each wave beam.
- 3. system according to claim 1, it is characterised in that the vehicle-mounted access unit is with the car antenna by penetrating Frequency cable connection, the trackside access unit and the phased array antenna wired connection.
- 4. system according to claim 1, it is characterised in that the quantity of the trackside access unit is multiple, each rail Other access unit is according to acquired train position information, and control in real time adjusts and what the trackside access unit was closest presets The quantity of quantity phased array antenna synthesis wave beam and the angle of each wave beam；Or the trackside access unit is identical with the quantity of the phased array antenna and corresponds, each trackside access is single Member is according to acquired train position information, the quantity of the corresponding phased array antenna synthesis wave beam of control adjustment in real time and each The angle of wave beam.
- 5. system according to claim 1, it is characterised in that the wave beam of the phased array antenna synthesis is in the phased array Phase place change control can be carried out on two axial planes of antenna, the scanning angle of each axial direction is to cover the phased array antenna Underface orbital region.
- 6. system according to claim 1, it is characterised in that the phased array antenna is installed on above track, the phase The plane of departure for controlling array antenna tilts down the installation of 35-55 degree angle towards the relative and opposite direction of train driving respectively, to meet it Communication range covers the region in the phased array antenna underface region and the phased array antenna preset range.
- 7. according to the system any one of claim 1-6, it is characterised in that the trackside access unit, be specifically used forBelieve the position that the train-installed antenna in phased array antenna communication coverage is obtained by the trackside zone controller Breath；According to the positional information, the position and direction of train are determined；According to the position and direction of the train, control in real time adjusts the quantity of the phased array antenna synthesis wave beam and each ripple The angle of beam, so that the phased array antenna meets the scope for covering train-installed antenna communication；The phased array antenna is controlled to be communicated by the car antenna with the vehicle-mounted access device.
- A kind of 8. rail transit field communication means, based on the rail transit field communication any one of claim 1-7 System, it is characterised in that including：Trackside access equipment obtains the train position information in phased array antenna communication coverage by trackside zone controller；For trackside access equipment according to acquired train position information, control in real time adjusts the phased array antenna synthesis wave beam The angle of quantity and each wave beam, so that the phased array antenna meets the scope for covering train-installed antenna communication；Trackside access equipment controls the phased array antenna to be communicated by the car antenna with vehicle-mounted access device.
- 9. rail transit field communication means according to claim 8, it is characterised in that the trackside access equipment passes through Trackside zone controller obtains the positional information of the train-installed antenna in phased array antenna communication coverage, in addition to：If trackside access unit does not get the train in phased array antenna communication coverage by trackside zone controller The positional information of car antenna, then phased array antenna is controlled to be scanned in communication coverage to train-installed antenna, with The train position information that train is sent in communication coverage is obtained, it is described phased according to train position information control adjustment The quantity of array antenna synthesis wave beam and the angle of each wave beam.
- 10. rail transit field communication means according to claim 8 or claim 9, it is characterised in that acquired in the basis Train position information, control in real time adjusts the quantity of the phased array antenna synthesis wave beam and the angle of each wave beam, so that institute The scope that phased array antenna meets to cover train-installed antenna communication is stated, including：According to acquired train position information, the position and direction of train are determined；According to the position and direction of the train, control in real time adjusts the quantity of the phased array antenna synthesis wave beam and each ripple The angle of beam, so that the phased array antenna meets the scope for covering train-installed antenna communication.
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| CN201710696100.6A CN107600117A (en) | 2017-08-15 | 2017-08-15 | A kind of rail vehicle earth communication system and method |
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| CN201710696100.6A CN107600117A (en) | 2017-08-15 | 2017-08-15 | A kind of rail vehicle earth communication system and method |
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| CN201710696100.6A Pending CN107600117A (en) | 2017-08-15 | 2017-08-15 | A kind of rail vehicle earth communication system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987898A (en) * | 2018-07-23 | 2018-12-11 | 成都吉纬科技有限公司 | A kind of design method of rail transit field communication millimeter wave antenna |
| CN110702268A (en) * | 2019-09-24 | 2020-01-17 | 交控科技股份有限公司 | Cable temperature monitoring method and system applied to rail transit |
| CN111572599A (en) * | 2020-05-22 | 2020-08-25 | 广州铁科智控有限公司 | Train positioning awakening device and method based on point-to-point bidirectional communication |
| WO2021134648A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Communication method and apparatus |
| GB2575241B (en) * | 2018-05-17 | 2023-02-01 | Swisscom Ag | A telecommunications system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101687517A (en) * | 2007-07-20 | 2010-03-31 | 西门子公司 | Communication device and method for the operation thereof |
| CN103763679A (en) * | 2013-12-31 | 2014-04-30 | 北京交通大学 | Track traffic operation control and train-ground wireless communication integrated system and method |
| CN105704740A (en) * | 2015-06-29 | 2016-06-22 | 南方银谷科技有限公司 | Train vehicle-ground communication network system |
-
2017
- 2017-08-15 CN CN201710696100.6A patent/CN107600117A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101687517A (en) * | 2007-07-20 | 2010-03-31 | 西门子公司 | Communication device and method for the operation thereof |
| CN103763679A (en) * | 2013-12-31 | 2014-04-30 | 北京交通大学 | Track traffic operation control and train-ground wireless communication integrated system and method |
| CN105704740A (en) * | 2015-06-29 | 2016-06-22 | 南方银谷科技有限公司 | Train vehicle-ground communication network system |
Non-Patent Citations (1)
| Title |
|---|
| 杨国荣: ""地铁车地通信数据传输系统设计"", 《电子设计工程》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2575241B (en) * | 2018-05-17 | 2023-02-01 | Swisscom Ag | A telecommunications system |
| CN108987898A (en) * | 2018-07-23 | 2018-12-11 | 成都吉纬科技有限公司 | A kind of design method of rail transit field communication millimeter wave antenna |
| CN108987898B (en) * | 2018-07-23 | 2020-10-27 | 成都吉纬科技有限公司 | Design method of rail transit vehicle-ground communication millimeter wave antenna |
| CN110702268A (en) * | 2019-09-24 | 2020-01-17 | 交控科技股份有限公司 | Cable temperature monitoring method and system applied to rail transit |
| CN110702268B (en) * | 2019-09-24 | 2021-09-10 | 交控科技股份有限公司 | Cable temperature monitoring method and system applied to rail transit |
| WO2021134648A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Communication method and apparatus |
| CN111572599A (en) * | 2020-05-22 | 2020-08-25 | 广州铁科智控有限公司 | Train positioning awakening device and method based on point-to-point bidirectional communication |
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