CN107666706B - A kind of Freeway Transport method of harmful influence - Google Patents
A kind of Freeway Transport method of harmful influence Download PDFInfo
- Publication number
- CN107666706B CN107666706B CN201710832023.2A CN201710832023A CN107666706B CN 107666706 B CN107666706 B CN 107666706B CN 201710832023 A CN201710832023 A CN 201710832023A CN 107666706 B CN107666706 B CN 107666706B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- time
- congestion
- timer
- freeway
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0284—Traffic management, e.g. flow control or congestion control detecting congestion or overload during communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention proposes a kind of Freeway Transport method of harmful influence, comprising: when the first vehicle enters the pre-determined distance range of freeway toll station, sends early warning solicited message to freeway management platform；The freeway management platform obtains the associated vehicle information into the highway within a preset time based on the early warning solicited message；First vehicle groups of freeway management platform construction；The network congestion time is obtained using congestion handling algorithms between vehicle and the freeway management platform in first vehicle groups；Based on the network congestion time, the vehicle in the group is relocated.The invention enables the positions that vehicle can estimate oneself by drive test unit, it has flexible reference by location node, as long as position is it is known that serve as location reference point, if as a reference point using vehicle known to position, being mutually located between vehicle can also be easily realized.
Description
Technical field
The present invention relates to a kind of Freeway Transport methods of intelligent transportation field more particularly to harmful influence.
Background
It is well known that collision is unavoidable within a wireless communication network.Especially in car networking communication, there are two roads
It surveys unit simultaneously and vehicle communication, all wants that passing data gives vehicle V, but two drive test units are not in mutual transmission range.
It thus would not also perceive other side, but data can be transmitted to vehicle V, in this case, from two drive test units
Data can collide at vehicle V, cause loss of data, network performance decline.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of Freeway Transport methods of harmful influence comprising:
Step 1, when the first vehicle enters the pre-determined distance range of freeway toll station, to freeway management platform
Early warning solicited message is sent, first vehicle is for transporting the harmful influence；
Step 2, the freeway management platform obtain entrance within a preset time based on the early warning solicited message
The associated vehicle information of the highway；
Step 3, the freeway management platform coordinate the associated vehicle and first vehicle uses Unified Communication
Agreement constructs the first vehicle groups, to carry out United Dispatching；
It step 4, the vehicle in first vehicle groups and is handled between the freeway management platform using congestion
Algorithm obtains the network congestion time；
Step 5 is based on the network congestion time, relocates to the vehicle in the group.
Wherein, the associated vehicle for the highway being entered in the preset time in the step 2 includes: described first
First time period before vehicle enters freeway toll station is interior into the vehicle of highway and in first vehicle
Enter the vehicle of highway in into the second time period after freeway toll station.
Wherein, associated vehicle information described in the step 2 includes: the associated vehicle brand, temporal information, mutually cut-offs
Identification id, the present speed of the associated vehicle, the acceleration of the associated vehicle, associated vehicle location information and described
The type of associated vehicle.
Wherein, the acquisition network congestion time described in the step 4 specifically includes:
Step 4.1 determines basic congestion time unit；
Step 4.2 determines that single congestion time is the integral multiple of basic congestion time unit, and the aggregate congestion time is multiple
Single congestion time adds up；
Step 4.3, transmission data frame, judge whether number of retransmissions is less than or equal to preset times threshold value；
If under step 4.4, number of retransmissions in or be equal to preset times threshold value, retransmitting data frame；
If step 4.5 retransmits successfully, the congestion handling algorithms are exited, if re-transmission is unsuccessful, number of retransmissions
It accumulates once；
If step 4.6, number of retransmissions be greater than the preset times threshold value, exit the congestion handling algorithms and on
Report returns to step 4.3, retransmits again if number of retransmissions is less than or equal to the preset times threshold value；
Step 4.7 obtains the network congestion time caused by re-transmission based on congestion handling algorithms.
Wherein, step 5 includes: that the vehicle in the group obtains relocation information using drive test unit.
It wherein, further include being alerted based on vehicle of the relocation information into the group after the step 5.
Wherein, the vehicle in the group includes: using drive test unit acquisition relocation information
Step 5.1, the vehicle inspection radio channel state, if discovery channel idle, sends request message, and start
First timer；
Step 5.2 checks whether generation congestion, in case of congestion, then broadcasts generation congestion messages, postpones certain for the moment
Between, then restart the first timer and carry out timing, then retransmits request message；
Step 5.3, the drive test unit receive request message, measure message processing time using the second timer, and examine
It whether idle looks into the radio communication channel, if idle, keeps in the processing time, while returning to confirmation to the vehicle and disappearing
Breath；
If step 5.4, confirmation message send successfully, stop the second timer, and will at this time the time as this processing
Time, in case of congestion, then return step 5.3 returns to confirmation message；
After step 5.5, the vehicle receive confirmation message, the first timer stops timing, while starting third timer,
The synchronization signal of waiting system；
When step 5.6, the drive test unit send confirmation message, start the 4th timer, until the 4th timer
Time is equal to this described processing time, then system generates interruption, and waiting terminates；
Step 5.7, the drive test unit initialize synchronization signal, and the time of the 4th timer are sent to described
Vehicle；
If step 5.8 transmits successfully, terminate this communication；In case of network congestion, then congestion handling algorithms are used
It retransmits and estimates congestion time.
After step 5.9, the vehicle receive synchronization message, stops the third timer, finally calculate synchronization time.
Wherein, it includes the first timer based on the vehicle that synchronization time is finally calculated described in the step 5.9
With the time value of third timer and the second timer and the 4th timer time value of the drive test unit, synchronization is finally obtained
The value of time.
Compared with the prior art, the invention has the following advantages and beneficial effects:
The invention enables the positions that vehicle can estimate oneself by drive test unit, have flexible reference by location section
Point, as long as position is it is known that serve as location reference point, if as a reference point using vehicle known to position, also
It can easily realize being mutually located between vehicle.
Detailed description of the invention
Fig. 1 be and a kind of consistent flow chart of the Freeway Transport method of harmful influence of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, being and a kind of consistent Freeway Transport method of harmful influence of the embodiment of the present invention comprising:
Step 1, when the first vehicle enters the pre-determined distance range of freeway toll station, to freeway management platform
Early warning solicited message is sent, first vehicle is for transporting the harmful influence；
Step 2, the freeway management platform obtain entrance within a preset time based on the early warning solicited message
The associated vehicle information of the highway；
Step 3, the freeway management platform coordinate the associated vehicle and first vehicle uses Unified Communication
Agreement constructs the first vehicle groups, to carry out United Dispatching；
It step 4, the vehicle in first vehicle groups and is handled between the freeway management platform using congestion
Algorithm obtains the network congestion time；
Step 5 is based on the network congestion time, relocates to the vehicle in the group.
Wherein, the associated vehicle for the highway being entered in the preset time in the step 2 includes: described first
First time period before vehicle enters freeway toll station is interior into the vehicle of highway and in first vehicle
Enter the vehicle of highway in into the second time period after freeway toll station.
Wherein, associated vehicle information described in the step 2 includes: the associated vehicle brand, temporal information, mutually cut-offs
Identification id, the present speed of the associated vehicle, the acceleration of the associated vehicle, associated vehicle location information and described
The type of associated vehicle.
Wherein, the acquisition network congestion time described in the step 4 specifically includes:
Step 4.1 determines basic congestion time unit；
Step 4.2 determines that single congestion time is the integral multiple of basic congestion time unit, and the aggregate congestion time is multiple
Single congestion time adds up；
Step 4.3, transmission data frame, judge whether number of retransmissions is less than or equal to preset times threshold value；
If under step 4.4, number of retransmissions in or be equal to preset times threshold value, retransmitting data frame；
If step 4.5 retransmits successfully, the congestion handling algorithms are exited, if re-transmission is unsuccessful, number of retransmissions
It accumulates once；
If step 4.6, number of retransmissions be greater than the preset times threshold value, exit the congestion handling algorithms and on
Report returns to step 4.3, retransmits again if number of retransmissions is less than or equal to the preset times threshold value；
Step 4.7 obtains the network congestion time caused by re-transmission based on congestion handling algorithms.
Wherein, step 5 includes: that the vehicle in the group obtains relocation information using drive test unit.
It wherein, further include being alerted based on vehicle of the relocation information into the group after the step 5.
Wherein, the vehicle in the group includes: using drive test unit acquisition relocation information
Step 5.1, the vehicle inspection radio channel state, if discovery channel idle, sends request message, and start
First timer；
Step 5.2 checks whether generation congestion, in case of congestion, then broadcasts generation congestion messages, postpones certain for the moment
Between, then restart the first timer and carry out timing, then retransmits request message；
Step 5.3, the drive test unit receive request message, measure message processing time using the second timer, and examine
It whether idle looks into the radio communication channel, if idle, keeps in the processing time, while returning to confirmation to the vehicle and disappearing
Breath；
If step 5.4, confirmation message send successfully, stop the second timer, and will at this time the time as this processing
Time, in case of congestion, then return step 5.3 returns to confirmation message；
After step 5.5, the vehicle receive confirmation message, the first timer stops timing, while starting third timer,
The synchronization signal of waiting system；
When step 5.6, the drive test unit send confirmation message, start the 4th timer, until the 4th timer
Time is equal to this described processing time, then system generates interruption, and waiting terminates；
Step 5.7, the drive test unit initialize synchronization signal, and the time of the 4th timer are sent to described
Vehicle；
If step 5.8 transmits successfully, terminate this communication；In case of network congestion, then congestion handling algorithms are used
It retransmits and estimates congestion time.
After step 5.9, the vehicle receive synchronization message, stops the third timer, finally calculate synchronization time.
Wherein, it includes the first timer based on the vehicle that synchronization time is finally calculated described in the step 5.9
With the time value of third timer and the second timer and the 4th timer time value of the drive test unit, synchronization is finally obtained
The value of time.
The embodiment of the present invention can take whole hardware embodiments, whole software implementations or comprising hardware and software
The form of the embodiment of unit.In a preferred embodiment, the present invention is by software realization comprising but be not limited to firmware, be resident it is soft
Part, microcode etc..In addition, can take can or computer-readable media available from the computer that provides program code by the present invention
The form of the computer program product of middle access, the program code be used to being used by computer or any instruction execution system or
It is combined with computer or any instruction execution system.
For explanation, computer is available or computer-readable media can be may include, store, communicating, propagating,
Or transport program any device, described program be used for by instruction execution system, device or equipment using or with instruction execution system
System, device or equipment combine.The media can be electronics, magnetic, optics, electromagnetism, infrared or semiconductor system and (or device or set
It is standby) or communications media.The example of computer-readable media includes semiconductor or solid-state memory, tape, computer can be removed
Floppy disk, random access memory (RAM), read-only memory (ROM), hard disc and CD.The example of current CD includes causing
Close disk-read-only memory (CD-ROM), compact disk-read/write (CD-R/W) and DVD.
Data processing system suitable for storing and/or performing program code will include that at least one is direct by system bus
Or the processor coupled indirectly with storage unit.Storage unit may include the sheet disposed during the practical execution of program code
Ground memory, high-capacity storage and cache memory, the cache memory provide at least certain program code
Temporary storing device to reduce the number that code must be retrieved from high-capacity storage during execution.Input/output
Or I/O equipment (including but not limited to keyboard, display, indicating equipment etc.) can be by directly or through intermediate I/O controller
It is coupled to system.Network adapter is also coupled to system so that data processing system can become through intermediate individual or public affairs
Many networks are coupled to other data processing systems or remote printer or storage equipment.Modem, cable modem
It is only the network adapter of a part of currently available type with Ethernet card.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (3)
1. a kind of Freeway Transport method of harmful influence comprising:
Step 1, when the first vehicle enters the pre-determined distance range of freeway toll station, to freeway management platform send
Early warning solicited message, first vehicle is for transporting the harmful influence；
Step 2, the freeway management platform are obtained described in entrance within a preset time based on the early warning solicited message
The associated vehicle information of highway；
The associated vehicle for entering the highway in preset time in the step 2 includes: to enter in first vehicle
Enter the vehicle of highway in first time period before freeway toll station and enters high speed in first vehicle
Enter the vehicle of highway in second time period after toll station；
Step 3, the freeway management platform coordinate the associated vehicle and first vehicle uses Unified Communication agreement,
The first vehicle groups are constructed, to carry out United Dispatching；
Step 4, the vehicle in first vehicle groups and between the freeway management platform use congestion handling algorithms
Obtain the network congestion time；
Step 5 is based on the network congestion time, relocates to the vehicle in the group, the vehicle in the group
Relocation information is obtained using drive test unit；
The acquisition network congestion time described in the step 4 specifically includes:
Step 4.1 determines basic congestion time unit；
Step 4.2 determines that single congestion time is the integral multiple of basic congestion time unit, and the aggregate congestion time is multiple singles
Congestion time adds up；
Step 4.3, transmission data frame, judge whether number of retransmissions is less than or equal to preset times threshold value；
If step 4.4, number of retransmissions are less than or equal to preset times threshold value, retransmitting data frame；
If step 4.5 retransmits successfully, the congestion handling algorithms are exited to step 4.7,
If re-transmission is unsuccessful, number of retransmissions is accumulated once；
If step 4.6, number of retransmissions are greater than the preset times threshold value, exit the congestion handling algorithms and report to step
Rapid 4.7, if number of retransmissions is less than or equal to the preset times threshold value, step 4.3 is returned to, is retransmitted again；
Step 4.7 obtains the network congestion time caused by re-transmission；
Vehicle in group described in the step 5 obtains relocation information using drive test unit and includes:
Step 5.1, the vehicle inspection radio channel state send request message, and start first if discovery channel idle
Timer；
Step 5.2 checks whether generation congestion, in case of congestion, then broadcasts generation congestion messages, delay sometime, with
After restart the first timer and carry out timing, then retransmit request message；
Step 5.3, the drive test unit receive request message, measure message processing time using the second timer, and check institute
It whether idle states radio communication channel, if idle, keeps in the processing time, while returning to confirmation message to the vehicle；
If step 5.4, confirmation message send successfully, stop the second timer, and using the time at this time as this handle when
Between, in case of congestion, then return step 5.3 returns to confirmation message；
After step 5.5, the vehicle receive confirmation message, the first timer stops timing, while starting third timer, waits
The synchronization signal of system；
When step 5.6, the drive test unit send confirmation message, start the 4th timer, until the 4th timer time
Equal to this described processing time, then system generates interruption, and waiting terminates；
Step 5.7, the drive test unit initialize synchronization signal, and send the time of the 4th timer to the vehicle
?；
If step 5.8 transmits successfully, terminate this communication；In case of network congestion, then used at congestion according to step 4
Adjustment method reacquires the network congestion time；
After step 5.9, the vehicle receive synchronization signal, stops the third timer, finally calculate synchronization time；
It includes the first timer and third timing based on the vehicle that synchronization time is finally calculated described in the step 5.9
The second timer and the 4th timer time value of the time value of device and the drive test unit, finally obtain the value of synchronization time.
2. the Freeway Transport method of harmful influence as described in claim 1, wherein associated vehicle information described in the step 2
It include: the associated vehicle brand, temporal information, associated vehicle identification id, the present speed of the associated vehicle, the correlation
The type of the acceleration of vehicle, associated vehicle location information and the associated vehicle.
3. the Freeway Transport method of harmful influence as described in claim 1, wherein further including based on described after the step 5
Vehicle of the relocation information into the group is alerted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832023.2A CN107666706B (en) | 2017-09-15 | 2017-09-15 | A kind of Freeway Transport method of harmful influence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832023.2A CN107666706B (en) | 2017-09-15 | 2017-09-15 | A kind of Freeway Transport method of harmful influence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107666706A CN107666706A (en) | 2018-02-06 |
| CN107666706B true CN107666706B (en) | 2019-05-28 |
Family
ID=61097955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710832023.2A Active CN107666706B (en) | 2017-09-15 | 2017-09-15 | A kind of Freeway Transport method of harmful influence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107666706B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095422A (en) * | 2010-12-07 | 2011-06-15 | 陕西博瑞智通电子科技有限责任公司 | Highway safe driving and smooth traffic guide system and onboard driving guiding instrument |
| CN102737503A (en) * | 2012-06-20 | 2012-10-17 | 东南大学 | Communication connectivity analysis method for bus dynamic scheduling under internet of vehicles environment |
| CN104134344A (en) * | 2014-07-29 | 2014-11-05 | 北京航空航天大学 | Road traffic network emergency evacuation route generation method based on Internet of vehicles |
| CN105761490A (en) * | 2016-04-22 | 2016-07-13 | 北京国交信通科技发展有限公司 | Method of carrying out early warning on hazardous chemical substance transport vehicle parking in service area |
-
2017
- 2017-09-15 CN CN201710832023.2A patent/CN107666706B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095422A (en) * | 2010-12-07 | 2011-06-15 | 陕西博瑞智通电子科技有限责任公司 | Highway safe driving and smooth traffic guide system and onboard driving guiding instrument |
| CN102737503A (en) * | 2012-06-20 | 2012-10-17 | 东南大学 | Communication connectivity analysis method for bus dynamic scheduling under internet of vehicles environment |
| CN104134344A (en) * | 2014-07-29 | 2014-11-05 | 北京航空航天大学 | Road traffic network emergency evacuation route generation method based on Internet of vehicles |
| CN105761490A (en) * | 2016-04-22 | 2016-07-13 | 北京国交信通科技发展有限公司 | Method of carrying out early warning on hazardous chemical substance transport vehicle parking in service area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107666706A (en) | 2018-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4960057B2 (en) | Inter-node wireless communication method and wireless communication apparatus | |
| US8614956B2 (en) | Placement of wireless repeaters in a wireless communication network | |
| CN104885395B (en) | System and method for Conflict solving | |
| US20130003575A1 (en) | Node, communication system, recording medium, and communication method | |
| Klingler et al. | IEEE 802.11 p unicast considered harmful | |
| US20040082294A1 (en) | Method for acknowledging messages in a communication system | |
| US9729486B2 (en) | Vehicle network transmission method and transmission system | |
| US20130016600A1 (en) | Network apparatus and method of retransmitting frame using the same | |
| Karabulut et al. | Performance modeling and analysis of the IEEE 802.11 DCF for VANETs | |
| CN107666706B (en) | A kind of Freeway Transport method of harmful influence | |
| JPH10173663A (en) | Communication system | |
| Toorchi et al. | A Markov model of safety message broadcasting for vehicular networks | |
| JP2001069174A (en) | Transmission control method | |
| Shah et al. | Performance and complexity analysis of MAC protocol for VANETs | |
| US8817693B2 (en) | Intelligent Wi-Fi packet relay protocol | |
| KR101335803B1 (en) | Method and apparatus for transmitting message adaptively in vihicle ad-hoc network | |
| US20100302955A1 (en) | Packet retransmission optimization in wireless network | |
| JP4050260B2 (en) | RFID management apparatus, RFID management method, and RFID management program | |
| US20160370189A1 (en) | Location detecting system and location detecting method of the location detecting system | |
| KR100430648B1 (en) | Frame Transfer Method For Ethernet Network Using Transfer Reservation Method | |
| EP2785134B1 (en) | Method and system for wlan collision detection | |
| CN110211416A (en) | The information transferring method and system of Internet of Things intelligent garage | |
| CN113411770B (en) | Method, device and equipment for selecting periodic resources and storage medium | |
| JP2016201792A (en) | Method, device and system for identifying hidden terminal | |
| Bouchaala et al. | Analysis of broadcast strategies and network parameters in IEEE 802.11 p VANETs using simple analytical models |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |