CN112822657B - V2X road side unit and pedestrian cooperation method based on WLAN - Google Patents
V2X road side unit and pedestrian cooperation method based on WLAN Download PDFInfo
- Publication number
- CN112822657B CN112822657B CN202011628677.1A CN202011628677A CN112822657B CN 112822657 B CN112822657 B CN 112822657B CN 202011628677 A CN202011628677 A CN 202011628677A CN 112822657 B CN112822657 B CN 112822657B
- Authority
- CN
- China
- Prior art keywords
- road side
- side unit
- wlan
- pedestrian
- road
- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 10
- 230000010267 cellular communication Effects 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 5
- 238000000060 site-specific infrared dichroism spectroscopy Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/164—Centralised systems, e.g. external to vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention provides a V2X road side unit and pedestrian cooperation method based on WLAN, which comprises the following steps: s1: installing a WLAN device on the V2X road side unit, and broadcasting the unique identification MAC address of the current road side unit in real time; s2: after entering a road side unit WLAN coverage area, transmitting the searched WLAN unique identification address to a background server through Uu; s3: after receiving the pedestrian terminal information, the background server sends the sensing data received by the real-time sensor corresponding to the road side unit to the pedestrian mobile phone terminal; s4: and after the pedestrian enters the coverage area of the next road side unit, repeating the step S2 and the step S3, and switching the pedestrian terminal to the data received by the next road side unit in real time. The beneficial effects of the invention are as follows: the invention can intuitively feel the convenience brought by V2X, improves the safety guarantee, and can know the current road condition through the terminal, early warn in advance and avoid accidents.
Description
Technical Field
The invention relates to the technical field of Internet of vehicles, in particular to a V2X road side unit and pedestrian cooperation method based on WLAN.
Background
The V2X vehicle networking organically links traffic participation factors such as people, vehicles, roads, clouds and the like together, so that the vehicle can be supported to obtain more information than the perception of a bicycle, and the innovation and application of an automatic driving technology are promoted; the intelligent traffic system is also beneficial to constructing an intelligent traffic system, promotes the development of new modes and new business states of automobiles and traffic services, and has important significance in improving traffic efficiency, saving resources, reducing pollution, reducing accident occurrence rate and improving traffic management.
At present, in the technology of the C-V2X Internet of vehicles, an automobile can exchange information with other vehicles, road side units and the like, and the C-V2X provides two communication interfaces, namely a Uu interface (cellular communication interface) and a PC5 interface (direct communication interface), so that the communication reliability is ensured through effective redundancy. The current road side units are more in communication with vehicle-mounted terminal equipment by collecting real-time road information through sensors, transmitting the road information to the vehicle terminal through sensors such as millimeter wave radar and laser radar through a PC5, realizing V2I, V V communication, and transmitting the road information to a background server through Uu.
However, the communication between the vehicle and the pedestrian, the roadside unit and the pedestrian cannot be effectively performed, and in the V2X scene, the pedestrian is currently in a passive state. The pedestrians cannot acquire the information of the road, such as front traffic accident prediction, turning assistance, road crossing early warning, red light running early warning and the like. At present, accidents of pedestrians and non-motor vehicles frequently happen, and it is particularly important to enable pedestrians to participate in V2X.
Disclosure of Invention
The invention aims to provide a V2X road side unit and pedestrian cooperation method based on WLAN, which mainly pushes vehicle information, V2I information and prediction information to pedestrians, mobile phones of riders or helmet terminals through Uu interfaces, so that the pedestrians can intuitively feel the convenience brought by V2X, the safety guarantee is improved, the pedestrians can know the current road condition through the terminals, early warning is carried out in advance, and accidents are avoided.
The invention is realized by the following measures: a method of cooperation of a WLAN-based V2X roadside unit with a pedestrian, the method comprising the steps of:
s1: installing a WLAN device on the V2X road side unit, broadcasting the unique identification MAC address of the current road side unit in real time, using the WLAN to intermittently send a message of a beacon frame to identify the SSID of the WLAN device, and broadcasting the unique identification MAC address of the current road side unit in real time;
s2: the pedestrian terminal is in a WLAN searching state, and after entering a WLAN coverage area of a road side unit, the pedestrian terminal sends a searched WLAN unique identification address to a background server through Uu; a pedestrian mobile phone or a helmet terminal provided with V2X software enters a road side unit WLAN coverage area, actively transmits a message called a detection request frame to scan a unique identification address of the WLAN and the signal intensity of a WLAN signal of the road side unit on each channel, and transmits the unique identification address of the road side unit in the current area to a background server through a mobile phone cellular network;
s3: after receiving the information of the pedestrian terminal, the background server sends the sensing data received by the real-time sensor of the corresponding road side unit to the pedestrian mobile phone terminal; the background server searches the data of the designated road side unit through the database by identifying the unique identification address, and transmits the real-time sensor data of the designated road side unit to the pedestrian terminal through the network, and the pedestrian terminal obtains the positioning, the road disorder prediction, the front accident prediction, the red light running early warning and the traffic light state information in the coverage range of the road side unit where the current area is located;
s4: after the pedestrian enters the coverage area of the next road side unit, repeating the step S2 and the step S3, switching the pedestrian terminal to the data received by the next road side unit in real time, wherein the pedestrian terminal is always in a state of sending a detection request frame, acquiring a road side unit WLAN identification address, repeating the connection mode when the pedestrian terminal enters the coverage area of the next road side unit, continuously acquiring road information, wherein the coverage area of each road side unit is about 500 meters, and when the pedestrian is positioned in the coverage areas of a plurality of road side units, preferentially reporting the road side unit MAC address with the strongest signal intensity to a background server by the pedestrian terminal.
As a further optimization scheme of the V2X road side unit and pedestrian cooperation method based on the WLAN, the WLAN device is a remote AF20 WLAN module.
In order to better achieve the purpose of the invention, the invention also provides a V2X road side unit and pedestrian cooperation method based on WLAN, which comprises the following specific contents:
a remote AF20 WLAN module is installed on a road side unit device V2X road side unit, a WLAN intermittently transmits a Beacon Beacon frame message to identify own SSID, and broadcasts a unique identification MAC address of the current road side unit in real time, a pedestrian mobile phone or a helmet terminal installed with V2X software enters a road side unit WLAN coverage area, a message of a detection request frame is actively transmitted on each channel to scan the unique identification MAC address of the WLAN and a signal intensity indication of a WLAN signal of the road side unit, the unique identification MAC address of the road side unit in the current area is transmitted to a background server through a mobile phone cellular network, the background server searches data of the designated road side unit through a database and transmits real-time sensor data of the designated road side unit to a pedestrian terminal through a network, the pedestrian terminal acquires the location of the coverage area of the road side unit in which the current area is positioned, predicts a road passing through, predicts a front accident, red light early warning and red light state information, the pedestrian terminal is always in a WLAN state of transmitting the detection request frame, acquires the signal intensity indication of the WLAN signal of the road side unit in which the pedestrian terminal is positioned in the coverage area of the road side unit, and the coverage area of the pedestrian terminal is positioned at the most adjacent road side unit, and the road side access area is in a plurality of the coverage area is more than the road side units when the road side information is positioned in the road side coverage area of the road side unit through the network, and the road side information is more than the road side information is located in the road side unit, and the road side unit is located in the priority coverage area;
the road side unit equipment is connected with the vehicle-mounted unit of the vehicle through a PC5 interface, acquires broadcast road information of all vehicles within a range of 500 meters around, acquires gear, speed, direction angle and angular speed data of the vehicles in the current road through the PC5 interface, calculates the travel track of the vehicles, is connected with a background server through a cellular communication interface, reports the state of the current road side unit equipment, sensor information and high-precision positioning information of an area where the WLAN is positioned, the background server is connected with a pedestrian mobile phone or a helmet terminal through the cellular communication interface, transmits real-time road information, and is respectively used for monitoring road traffic information, compensating for the shortages of the laser radar in severe weather environments, acquiring real-time traffic light data and controlling traffic light green wave guidance, giving priority to traffic light and assisting the laser radar to identify people, vehicles and objects; high-precision GPS positioning and dynamic high-precision map in the coverage area of the road side unit.
Compared with the prior art, the invention has the beneficial effects that:
(1) The V2X road side unit and pedestrian cooperation method of the WLAN effectively prevents casualties of drivers, passengers, pedestrians and riders, and the V2P system transmits real-time information of the road side unit to a pedestrian terminal by utilizing the WLAN technology, so that the road traffic safety is improved by assistance, and the casualties are effectively prevented.
(2) The cooperative method solves the problem that the existing road facilities cannot be interconnected with the pedestrian terminals, the prior art can only transmit the information of vehicles and pedestrians on the road to the vehicles, so that the vehicles can avoid collision and assist driving, but the pedestrians cannot acquire the real-time information of the road and have traffic safety problems.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Fig. 1 is a communication block diagram of a cooperative method in an embodiment of the present invention.
Fig. 2 is a block diagram of a roadside unit connection according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
Referring to fig. 1 to 2, the technical scheme of the invention is that a V2X road side unit and pedestrian cooperation method based on WLAN comprises the following steps:
s1: installing a WLAN device on the V2X road side unit, broadcasting the unique identification MAC address of the current road side unit in real time, using the WLAN to intermittently send a message of a beacon frame to identify the SSID of the WLAN device, and broadcasting the unique identification MAC address of the current road side unit in real time;
s2: the pedestrian terminal is in a WLAN searching state, and after entering a WLAN coverage area of a road side unit, the pedestrian terminal sends a searched WLAN unique identification address to a background server through Uu; a pedestrian mobile phone or a helmet terminal provided with V2X software enters a road side unit WLAN coverage area, actively transmits a message called a detection request frame to scan a unique identification address of the WLAN and the signal intensity of a WLAN signal of the road side unit on each channel, and transmits the unique identification address of the road side unit in the current area to a background server through a mobile phone cellular network;
s3: after receiving the information of the pedestrian terminal, the background server sends the sensing data received by the real-time sensor of the corresponding road side unit to the pedestrian mobile phone terminal; the background server searches the data of the designated road side unit through the database by identifying the unique identification address, and transmits the real-time sensor data of the designated road side unit to the pedestrian terminal through the network, and the pedestrian terminal obtains the positioning, the road disorder prediction, the front accident prediction, the red light running early warning and the traffic light state information in the coverage range of the road side unit where the current area is located;
s4: after the pedestrian enters the coverage area of the next road side unit, repeating the step S2 and the step S3, switching the pedestrian terminal to the data received by the next road side unit in real time, wherein the pedestrian terminal is always in a state of sending a detection request frame, acquiring a road side unit WLAN identification address, repeating the connection mode when the pedestrian terminal enters the coverage area of the next road side unit, continuously acquiring road information, wherein the coverage area of each road side unit is about 500 meters, and when the pedestrian is positioned in the coverage areas of a plurality of road side units, preferentially reporting the road side unit MAC address with the strongest signal intensity to a background server by the pedestrian terminal.
In order to better achieve the purpose of the invention, the invention also provides a V2X road side unit and pedestrian cooperation method based on WLAN, which comprises the following specific contents:
the road side unit device V2X is provided with a WLAN device, a message called a Beacon Beacon frame is intermittently sent by the WLAN to identify the SSID of the road side unit, the unique identification address of the road side unit, namely an MAC address, is broadcasted in real time, a pedestrian mobile phone or a helmet terminal provided with V2X software enters the WLAN coverage area of the road side unit, a message called a detection request frame is actively sent on each channel to scan the unique identification address of the WLAN and the RSSI signal intensity indication of the WLAN signal of the road side unit, the unique identification address of the road side unit in the current area is sent to a background server through a mobile phone cellular network (4G, 5G), the background server searches the data of the designated road side unit through a database, and sends the real-time sensor data of the designated road side unit, such as the speed, the acceleration, the azimuth, the traffic light state, the position of a vehicle detected by a laser radar, the position of the pedestrian to the pedestrian terminal through the network, the pedestrian terminal obtains the high-precision positioning in the coverage area of the road side unit in the current area, predicts the road, predicts the traffic light, sends the traffic light, always sends the pedestrian position information to the pedestrian terminal at the traffic light, and the pedestrian terminal is always in the traffic light state, and the traffic light state information is located in the area, and is located in the coverage area of the road side unit, and is located in the traffic light, and the pedestrian information is located in the traffic light state, and the road side information is located in the road side station, and the road side station is located in the maximum position, and the road side station is located in the road side station, and has the traffic information.
The road side unit equipment is connected with the vehicle-mounted unit through the PC5 interface, broadcasts road information such as traffic light states, vehicle running information and front traffic accidents to all vehicles in the range of 500 meters around, acquires data such as gears, speeds, direction angles and angular speeds of the vehicles in the current road through the PC5 interface, and calculates the running track of the vehicles. The road side unit equipment is connected with a background server through a Uu interface, reports the state of the current road side unit equipment, sensor information and high-precision positioning information of an area where the WLAN is located, the background server is connected with a mobile phone or a helmet terminal of a pedestrian through the Uu interface, and transmits real-time road information such as traffic light state, front road early warning information, red light running early warning information and the like, the road side unit is connected with a laser radar, a millimeter wave radar and a traffic light annunciator through a LAN (local area network) port, and the road side unit is provided with a high-precision GPS (global positioning system) positioning and dynamic high-precision map in a coverage area.
Specifically, the WLAN device is a remote AF20 WLAN module.
Specifically, the Probe Request frame is a Probe Request frame.
Specifically, the PC5 interface is a 5.9GHz V2X direct communication interface.
Specifically, the Uu interface is a cellular communication interface.
Specifically, the connecting laser radar is used for distinguishing that the road outlet object is a pedestrian, a vehicle or a fixed target, and calculating the movement rate of the pedestrian.
Specifically, the millimeter wave radar is used for monitoring traffic flow information of a road and making up for the deficiency of the laser radar in severe weather environments.
The traffic light signal machine is used for acquiring traffic light real-time data and controlling traffic light green wave guiding and special vehicle passing preferentially.
Specifically, the camera is used for assisting the laser radar in identifying people, vehicles, objects and the like.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. A method for cooperating a WLAN-based V2X roadside unit with a pedestrian, the method comprising the steps of:
s1: installing a WLAN device on the V2X road side unit, broadcasting the unique identification MAC address of the current road side unit in real time, and intermittently transmitting a message of a beacon frame to identify the SSID of the WLAN device by utilizing the WLAN;
s2: the pedestrian terminal is in a WLAN searching state, and after entering a WLAN coverage area of a road side unit, the pedestrian terminal sends a searched WLAN unique identification address to a background server through Uu; the pedestrian terminal provided with V2X software enters a road side unit WLAN coverage area and actively transmits a message called a detection request frame to scan a unique identification address of the WLAN and the signal intensity of a WLAN signal of the road side unit on each channel, and the unique identification address of the road side unit in the current area is transmitted to a background server through a mobile phone cellular network;
s3: after receiving the information of the pedestrian terminal, the background server sends the sensing data received by the real-time sensor of the corresponding road side unit to the pedestrian terminal; the background server searches the data of the designated road side unit through the database by identifying the unique identification address, and transmits the real-time sensor data of the designated road side unit to the pedestrian terminal through the network, and the pedestrian terminal obtains the positioning, the road disorder prediction, the front accident prediction, the red light running early warning and the traffic light state information in the coverage range of the road side unit where the current area is located;
s4: after the pedestrian enters the coverage area of the next road side unit, repeating the step S2 and the step S3, switching the pedestrian terminal to the data received by the next road side unit in real time, wherein the pedestrian terminal is always in a state of sending a detection request frame, acquiring a road side unit WLAN identification address, repeating the connection mode of the step S1 to the step S3 when the pedestrian terminal enters the coverage area of the next road side unit, continuously acquiring road information, wherein the coverage area of each road side unit is 500 meters, and when the pedestrian is positioned in the range of a plurality of road side units, preferentially reporting the road side unit MAC address with the strongest signal intensity to a background server by the pedestrian terminal.
2. The V2X roadside unit-pedestrian synergy method of claim 1, wherein the WLAN device is a remote AF20 WLAN module.
3. A method of collaboration of a WLAN-based V2X roadside unit with pedestrians according to claim 1 or 2, characterized in that the method of collaboration comprises the following:
a remote AF20 WLAN module is installed on a road side unit device V2X road side unit, a background server searches the data of a designated road side unit through a database by identifying a unique identification MAC address, real-time sensor data of the designated road side unit is sent to a pedestrian terminal through a network, the pedestrian terminal obtains the positioning, the predicted passing road, the predicted front accident, the red light running early warning and the traffic light state information in the coverage area of the road side unit where the current area is located, the pedestrian terminal is always in the state of sending a detection request frame, the WLAN identification address of the road side unit is obtained, when the pedestrian terminal enters the coverage area of the next road side unit, the connection mode of the steps S1 to S3 is repeated, the road information can be continuously obtained, the coverage area of each road side unit is 500 meters, and when the pedestrian is located in the coverage area of a plurality of road side units, the pedestrian terminal preferentially reports the MAC address of the road side unit with the strongest signal intensity to the background server;
the road side unit equipment is connected with the vehicle-mounted unit of the vehicle through a PC5 interface, acquires broadcast road information of all vehicles within a range of 500 meters around, acquires gear, speed, direction angle and angular speed data of the vehicles in the current road through the PC5 interface, calculates the travel track of the vehicles, is connected with a background server through a cellular communication interface, reports the state of the current road side unit equipment, reports sensor information and high-precision positioning information of an area where the WLAN is located, the background server is connected with a pedestrian terminal or a pedestrian terminal through the cellular communication interface, transmits real-time road information, and is respectively used for monitoring road traffic information, compensating for the shortages of the laser radar in severe weather environments, acquiring real-time traffic light data and controlling traffic light green wave guidance, giving priority to traffic light and assisting the laser radar to identify people, vehicles and objects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628677.1A CN112822657B (en) | 2020-12-31 | 2020-12-31 | V2X road side unit and pedestrian cooperation method based on WLAN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628677.1A CN112822657B (en) | 2020-12-31 | 2020-12-31 | V2X road side unit and pedestrian cooperation method based on WLAN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112822657A CN112822657A (en) | 2021-05-18 |
| CN112822657B true CN112822657B (en) | 2024-01-23 |
Family
ID=75854987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011628677.1A Active CN112822657B (en) | 2020-12-31 | 2020-12-31 | V2X road side unit and pedestrian cooperation method based on WLAN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112822657B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115346396A (en) * | 2022-06-27 | 2022-11-15 | 浙江大华技术股份有限公司 | Blind area early warning method, device, system, terminal and computer readable storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2439992A1 (en) * | 2010-09-30 | 2012-04-11 | British Telecommunications Public Limited Company | Tracking the location of a terminal device roaming between a plurality of WLANs |
| WO2017052488A1 (en) * | 2015-09-24 | 2017-03-30 | Intel Corporation | Dual radio architecture and methods for enhanced support of v2x service with network assistance |
| CN107274722A (en) * | 2017-07-14 | 2017-10-20 | 武汉理工大学 | A kind of traffic safety early warning system and method towards using mobile phone pedestrian |
| KR20180059309A (en) * | 2016-11-25 | 2018-06-04 | 자동차부품연구원 | Safety assistant system and method for pedestrian |
| CN108806251A (en) * | 2018-06-13 | 2018-11-13 | 张国文 | A kind of early warning system for highway pedestrian |
| CN110060465A (en) * | 2019-04-30 | 2019-07-26 | 浙江吉利控股集团有限公司 | A kind of exchange method and interactive system for traffic interactive system |
| KR20190134948A (en) * | 2018-05-24 | 2019-12-05 | 주식회사 어반어소시에이츠 | A system for controlling light at crosswalk |
| CN110784328A (en) * | 2018-07-27 | 2020-02-11 | 华为技术有限公司 | Internet of vehicles communication solution |
| WO2020075839A1 (en) * | 2018-10-12 | 2020-04-16 | 京セラ株式会社 | Traffic communication system, roadside device, and method |
| CN111415528A (en) * | 2019-01-07 | 2020-07-14 | 长沙智能驾驶研究院有限公司 | Road safety early warning method and device, road side unit and storage medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107851378A (en) * | 2015-07-14 | 2018-03-27 | 三星电子株式会社 | Apparatus and method for providing service into all things on earth communication system in vehicle |
-
2020
- 2020-12-31 CN CN202011628677.1A patent/CN112822657B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2439992A1 (en) * | 2010-09-30 | 2012-04-11 | British Telecommunications Public Limited Company | Tracking the location of a terminal device roaming between a plurality of WLANs |
| WO2017052488A1 (en) * | 2015-09-24 | 2017-03-30 | Intel Corporation | Dual radio architecture and methods for enhanced support of v2x service with network assistance |
| KR20180059309A (en) * | 2016-11-25 | 2018-06-04 | 자동차부품연구원 | Safety assistant system and method for pedestrian |
| CN107274722A (en) * | 2017-07-14 | 2017-10-20 | 武汉理工大学 | A kind of traffic safety early warning system and method towards using mobile phone pedestrian |
| KR20190134948A (en) * | 2018-05-24 | 2019-12-05 | 주식회사 어반어소시에이츠 | A system for controlling light at crosswalk |
| CN108806251A (en) * | 2018-06-13 | 2018-11-13 | 张国文 | A kind of early warning system for highway pedestrian |
| CN110784328A (en) * | 2018-07-27 | 2020-02-11 | 华为技术有限公司 | Internet of vehicles communication solution |
| WO2020075839A1 (en) * | 2018-10-12 | 2020-04-16 | 京セラ株式会社 | Traffic communication system, roadside device, and method |
| CN111415528A (en) * | 2019-01-07 | 2020-07-14 | 长沙智能驾驶研究院有限公司 | Road safety early warning method and device, road side unit and storage medium |
| CN110060465A (en) * | 2019-04-30 | 2019-07-26 | 浙江吉利控股集团有限公司 | A kind of exchange method and interactive system for traffic interactive system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112822657A (en) | 2021-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106448254B (en) | V2X Internet of vehicles system, vehicle-mounted terminal, server and parking space detection method | |
| EP2901720B1 (en) | Message transmission for vehicle-to-vehicle communication enabled devices | |
| Andrisano et al. | Intelligent transportation systems: the role of third generation mobile radio networks | |
| CN101799977B (en) | Intelligent traffic system | |
| EP1489578A2 (en) | Apparatus and method for providing road traffic information | |
| CN102542804B (en) | Method for monitoring running state of vehicle, roadside beacon and intelligent traffic monitoring system | |
| Sugimoto et al. | Prototype of pedestrian-to-vehicle communication system for the prevention of pedestrian accidents using both 3G wireless and WLAN communication | |
| CN112037553B (en) | Remote driving method, device, system, equipment and medium | |
| JP5135255B2 (en) | Safe driving support system | |
| CN102509474A (en) | System and method for automatically preventing collision between vehicles | |
| JP2002083396A (en) | Traffic monitoring system | |
| CN105390025A (en) | Intelligent traffic safety management system based on location information | |
| CN106448263B (en) | Vehicle driving safety management system and method | |
| CN109147369A (en) | A kind of Vehicular automatic driving bootstrap technique, automatic driving vehicle and storage medium | |
| CN109870675B (en) | System and method for detecting degradation of detection capability of millimeter wave radar for vehicle | |
| KR20200036071A (en) | Intelligent Platforms and Systems of Automated Parking and Calling Car by Smart and Integrated Autonomous Driving Car Control System | |
| WO2009121214A1 (en) | A message terminal for gps positioning and ranging and electronic license plate for a vehicle | |
| CN106408930A (en) | Method and apparatus for creating driving fleet | |
| EP4147465A1 (en) | System and method of communication between a vehicle and an agent | |
| CN112822657B (en) | V2X road side unit and pedestrian cooperation method based on WLAN | |
| CN115376339A (en) | Traffic early warning method and system | |
| CN112583872B (en) | Communication method and device | |
| CN115394100A (en) | Intelligent roadside system facing vehicle-road cooperation | |
| CN110675655A (en) | Collision risk early warning method and equipment | |
| Wu et al. | BLE-horn: A smartphone-based bluetooth low energy vehicle-to-pedestrian safety system |
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 |