CN104809904A - Suspicious vehicle positioning system and method based on ultra-wideband wireless positioning technology - Google Patents
Suspicious vehicle positioning system and method based on ultra-wideband wireless positioning technology Download PDFInfo
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- CN104809904A CN104809904A CN201510175681.XA CN201510175681A CN104809904A CN 104809904 A CN104809904 A CN 104809904A CN 201510175681 A CN201510175681 A CN 201510175681A CN 104809904 A CN104809904 A CN 104809904A
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
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Abstract
The invention is applicable to the field of suspicious vehicle positioning and provides a suspicious vehicle positioning system and method based on the ultra-wideband wireless positioning technology. The suspicious vehicle positioning system comprises an electronic license plate, at least three base stations and a suspicious vehicle positioning server, wherein the electronic license plate is attached to a vehicle and transmits ultra-wideband pulse signals; the at least three base stations are arranged along the roadside, synchronously connected with one another and used for receiving the ultra-wideband pulse signals and uploading the time when the ultra-wideband pulse signals are received; the suspicious vehicle positioning server is connected to the base stations and used for generating the real-time coordinate of the electronic license plate according to a positioning algorithm and the times uploaded by every base station when the ultra-wideband pulse signals, reading the vehicle identity information stored in the electronic vehicle license, and positioning and tracing the vehicle according to the real-time coordinate of the electronic license plate when the vehicle identity information is suspicious vehicle identity information. According to the suspicious vehicle positioning system and method based on the ultra-wideband wireless positioning technology, the base stations and the electronic vehicle license transfer signals through the ultra-wideband wireless communication technology, so that suspicious vehicles carrying the electronic license plates can be positioned and traced at a high precision.
Description
Technical field
The invention belongs to suspect vehicle positioning field, particularly relate to the suspect vehicle positioning system based on ultra-wideband wireless location technology and localization method.
Background technology
In recent years, social economy's develop rapidly, city vehicle recoverable amount continued swift and violent growth, and road traffic mixes, and traffic efficiency is very common in each big and medium-sized cities, and has the trend growed in intensity.In order to alleviate road traffic problem, save the time of driving, suspect vehicle positioning system is based on video monitoring, the intersection that control point is distributed in wagon flow, the stream of people relatively concentrates, emphasis section, by image transmitting passage, road traffic situation is uploaded to road monitoring command centre in real time, center operator on duty can understand each region pavement behavior accordingly in time, to adjust each crossing vehicle flow, guarantees that traffic is unobstructed.
But existing Vehicle positioning system, is subject to the impact of weather and barrier, hi-Fix cannot be carried out to suspect vehicle in road, also cannot follow the tracks of the suspect vehicle of high-speed mobile.
Its reason is, existing Vehicle positioning system, the following two kinds of locator meamss of general employing, and details are as follows:
The first locator meams, adopts GPS locator meams, because GPS location is global location, the impact of various factor can be subject to, the precision of location is lower, therefore adopts the Vehicle positioning system of GPS locator meams, cannot carry out hi-Fix to the vehicle in road;
The second locator meams, in the mode of video monitoring, data due to image are subject to the restriction of camera coverage rate, therefore discernible image is few in the background, in addition image is subject to bright and dark light interference, therefore the success ratio identifying the vehicle in image is low, therefore cannot carry out hi-Fix to the vehicle in road, also cannot follow the tracks of the vehicle of high-speed mobile.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of suspect vehicle positioning system based on ultra-wideband wireless location technology, be intended to solve existing Vehicle positioning system, be subject to the impact of weather and barrier, hi-Fix cannot be carried out to suspect vehicle in road, also cannot follow the tracks of the problem of the suspect vehicle of high-speed mobile.
The embodiment of the present invention is achieved in that a kind of suspect vehicle positioning system based on ultra-wideband wireless location technology, comprising:
Be attached on vehicle, send the electronic license plate of ultra-wideband pulse signal;
Being positioned at by road, at least three interconnected and synchronous base stations, for receiving described ultra-wideband pulse signal, uploading the moment receiving described ultra-wideband pulse signal;
Be connected in the suspect vehicle location-server of described base station, for the moment receiving described ultra-wideband pulse signal that base station according to location algorithm and each is uploaded, generate the real-time coordinates of described electronic license plate, and for reading the vehicle identity information stored in described electronic license plate, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate, locate and follow the tracks of described vehicle.
Another object of the embodiment of the present invention is to provide the localization method based on above-mentioned suspect vehicle positioning system, comprising:
Described electronic license plate sends ultra-wideband pulse signal to described base station;
Described base station receives described ultra-wideband pulse signal, uploads the moment extremely described suspect vehicle location-server receiving described ultra-wideband pulse signal;
The described suspect vehicle location-server moment receiving described ultra-wideband pulse signal that base station is uploaded according to location algorithm and each, generate the real-time coordinates of described electronic license plate, and for reading the vehicle identity information stored in described electronic license plate, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate, locate and follow the tracks of described vehicle.
In embodiments of the present invention, provide suspect vehicle location-server, can read the vehicle identity information stored in described electronic license plate, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate, locate and follow the tracks of described vehicle.Solve existing Vehicle positioning system, be subject to the impact of weather and barrier, hi-Fix cannot be carried out to suspect vehicle in road, also cannot follow the tracks of the problem of the suspect vehicle of high-speed mobile.Beneficial effect is two aspects, and details are as follows:
On the one hand, due between base station and electronic license plate, signal transmission between base station and base station adopts ultra-wideband wireless communication technique, and ultra-wideband wireless communication technique, owing to adopting the non-sinusoidal wave burst pulse transmission data of nanosecond, there is bandwidth, multichannel, low-power consumption, not easily be disturbed, safety coefficient is high, it is deposited with existing frequency spectrum, the features such as existing ultra-wideband communications applications can not be disturbed, therefore can by carrying out hi-Fix to the electronic license plate of high-speed mobile, and then hi-Fix is carried out to the vehicle attaching electronic license plate in road, also can strengthen the stability of location simultaneously, be not easy the impact being subject to weather and barrier.
On the other hand, make follow-up can in base station range, according to the real-time coordinates of electronic license plate, locate and follow the tracks of vehicle, because the quantity of the real-time coordinates of electronic license plate is many, therefore can follow the tracks of the vehicle of high-speed mobile, thus traffic department can be helped to follow the trail of suspect vehicle and manage, the government pressure of vehicle can be alleviated.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the suspect vehicle positioning system based on ultra-wideband wireless location technology that the embodiment of the present invention provides;
Fig. 2 is the realization flow figure of the localization method of the suspect vehicle positioning system that the embodiment of the present invention provides;
Fig. 3 is the realization flow figure of the localization method step S201 that the embodiment of the present invention provides;
Fig. 4 is the first realization flow figure of the localization method step S302 that the embodiment of the present invention provides;
Fig. 5 is the second realization flow figure of the localization method step S302 that the embodiment of the present invention provides;
Fig. 6 is the realization flow figure of the transmission suspect vehicle warning message that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
embodiment one
Fig. 1 is the structural drawing of the suspect vehicle positioning system based on ultra-wideband wireless location technology that the embodiment of the present invention provides, and details are as follows:
Be attached on vehicle, send the electronic license plate 1 of ultra-wideband pulse signal;
Being positioned at by road, interconnected and synchronous at least three base stations 2, for receiving described ultra-wideband pulse signal, uploading the moment receiving described ultra-wideband pulse signal;
Be connected in the suspect vehicle location-server 3 of described base station 2, for the moment receiving described ultra-wideband pulse signal that base station 2 according to location algorithm and each is uploaded, generate the real-time coordinates of described electronic license plate 1, and for reading the vehicle identity information stored in described electronic license plate 1, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate 1, locate and follow the tracks of described vehicle.
Wherein, according to the real-time coordinates of described electronic license plate 1, locate and follow the tracks of described vehicle, have two kinds of embodiments, details are as follows:
The first embodiment:
In the path coordinate database prestored, the path coordinate scope corresponding according to every bar road and the real-time coordinates of described electronic license plate 1, locate the road at described vehicle place.
According to the real-time coordinates of described electronic license plate 1, described electronic license plate 1 is followed the tracks of, generates the pursuit path of described vehicle.
The second embodiment:
According to the real-time coordinates of described electronic license plate 1, and call the sticking position of described electronic license plate 1 on described vehicle and the model parameter of described vehicle that prestore, obtain the position coordinates of described vehicle;
Wherein, described suspect vehicle location-server 3 is also for storing the sticking position of described electronic license plate 1 on described vehicle and the model parameter of described vehicle.
According to the sticking position of the described electronic license plate prestored on described vehicle and the model parameter of described vehicle, generate the relative distance of described sticking position and described model parameter, according to the real-time coordinates of relative distance and described electronic license plate 1, generate the position coordinates of described vehicle.
Wherein, in the path coordinate database prestored, the path coordinate scope corresponding according to every bar road and the position coordinates according to described vehicle, locate the road at described vehicle place.
According to the position coordinates of described vehicle, described vehicle is followed the tracks of, generate the pursuit path of described vehicle.
Wherein, when described vehicle identity information is suspect vehicle identity information, represent that described vehicle is suspect vehicle, generate the pursuit path of vehicle, intuitively can show the position of suspect vehicle.
Wherein, suspect vehicle location-server 3 also can be used for reading update time, judges whether update time arrives;
When arriving when updated, upgrade the suspect vehicle identity information stored in suspect vehicle location-server.
Suspect vehicle identity information is the identity information describing suspect vehicle, and suspect vehicle comprises at least one in stolen vehicle, vehicles peccancy.
Wherein, in described at least three base stations 2, between base station 2 and base station 2, adopt wired network schemer or wireless network schemer interconnected, at least one in the Ethernet that described wired network schemer comprises fiber optic network, twisted-pair feeder forms, the Ethernet of concentric cable composition, described wireless network schemer comprises at least one in WIFI network pattern, 3G network pattern, 4G network schemer, 5G network schemer.
Wherein, between described base station 2 and vehicle location service device 3, adopt wired network schemer or wireless network schemer interconnected, at least one in the Ethernet that described wired network schemer comprises fiber optic network, twisted-pair feeder forms, the Ethernet of concentric cable composition, described wireless network schemer comprises at least one in WIFI network pattern, 3G network pattern, 4G network schemer, 5G network schemer.
Wherein, described electronic license plate 1 is attached on the windshield of vehicle, by UWB Antenna, sends ultra-wideband pulse signal directionlessly.
Wherein, described suspect vehicle location-server 3 also for storing the corresponding relation of described electronic license plate 1 and described vehicle, also stores the corresponding relation of every bar road and path coordinate scope simultaneously.
It should be noted that, the position coordinates of described vehicle comprises two-dimensional coordinate and three-dimensional coordinate.
When employing three base stations 2, can two-dimensional coordinate be calculated, when the base station 2 of employing more than four, can three-dimensional coordinate be calculated.
It should be noted that, be connected in the suspect vehicle location-server 3 of described base station 2, the method for execution can be separated two parts, realized by two servers, details are as follows:
One location-server, for the moment receiving described ultra-wideband pulse signal that base station 2 according to location algorithm and each is uploaded, generates the real-time coordinates of described electronic license plate 1;
One location-server, and for reading the vehicle identity information stored in described electronic license plate 1, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate 1, locating and following the tracks of described vehicle.
In embodiments of the present invention, between base station 2 and electronic license plate 1, signal transmission between base station 2 and base station 2 adopts ultra-wideband wireless location technology, there is the feature of low-power consumption, ultra-wideband, can carry out hi-Fix to the electronic license plate 1 of high-speed mobile by this tranmission techniques, and then hi-Fix also follows the tracks of the suspect vehicle of carrying electronic license plate.
embodiment two
The present embodiment essentially describes the annexation between suspect vehicle location-server and base station, and details are as follows:
A base station at least three base stations described in suspect vehicle location-server is direct-connected or multiple base station, or, a base station at least three base stations described in described suspect vehicle location-server is connected by switch or multiple base station.
Send synchronizing pulse to other base station by the base station of at least three base stations, what can complete between base station with base station is synchronous.
Wherein, between suspect vehicle location-server and base station, there are two kinds of connected modes, details are as follows:
The first connected mode:
A base station at least three base stations described in described suspect vehicle location-server 3 is direct-connected or multiple base station.
It should be noted that, a base station at least three base stations described in described suspect vehicle location-server 3 is direct-connected or multiple base station, represent that the connecting link between described suspect vehicle location-server 3 and base station is direct connected link, centre does not have switch.
It should be noted that, the quantity of the described direct-connected base station of suspect vehicle location-server 3, can be one, also can be multiple.
When the quantity that described suspect vehicle location-server 3 connects base station is one, the base station be connected with described suspect vehicle location-server 3 can be regarded as dominant base, and remaining base station is prothetic group station, cascade between dominant base and prothetic group station.Dominant base gathers and uploads the moment that other prothetic group station receives described ultra-wideband pulse signal.
When the quantity of the described direct-connected base station of suspect vehicle location-server 3 is multiple, suspect vehicle location-server 3 gathers and adds up the moment receiving described ultra-wideband pulse signal of uploading described three base stations.
The second connected mode:
A base station at least three base stations described in described suspect vehicle location-server 3 is connected by switch or multiple base station.
Wherein, described switch is the equipment carrying out electronic data interchange, comprises at least one in router, switch, optical transmitter and receiver, fiber optical transceiver.
It should be noted that, described suspect vehicle location-server 3 connects the quantity of base station by switch, and can be one, also can be multiple.
When described suspect vehicle location-server 3 is one by the quantity of switch connection base station, the base station be connected with described suspect vehicle location-server 3 can be regarded as dominant base, and remaining base station is prothetic group station, cascade between dominant base and prothetic group station.Dominant base gathers and uploads the moment that other prothetic group station receives described ultra-wideband pulse signal.
When described suspect vehicle location-server 3 is multiple by the quantity of switch connection base station, suspect vehicle location-server 3 gathers and adds up the moment receiving described ultra-wideband pulse signal of uploading described three base stations.
It should be noted that, when suspect vehicle location-server 3 connects a base station at least three base stations or multiple base station by switch, group-network construction between base station and suspect vehicle location-server 3, comprise in following framework any one, details are as follows:
One, adopt netting twine to be connected between base station with base station, one or more base station is by the Data dissemination port of netting twine connection route device, and the Data dissemination port of router connects suspect vehicle location-server 3 by netting twine;
Two, adopt netting twine to be connected between base station with base station, one or more base station connects the Data dissemination port of switch by netting twine, and the Data dissemination port of switch connects suspect vehicle location-server 3 by netting twine;
Three, adopt Fiber connection between base station and base station, one or more base station is by the input end of Fiber connection optical transmitter and receiver, and the output terminal of optical transmitter and receiver connects suspect vehicle location-server 3 by netting twine;
Four, adopt Fiber connection between base station and base station, one or more base station is by the input end of Fiber connection fiber optical transceiver, and the output terminal of fiber optical transceiver, connects suspect vehicle location-server 3 by netting twine.
embodiment three
Fig. 2 is the realization flow figure of the localization method of the suspect vehicle positioning system that the embodiment of the present invention provides, and described localization method comprises:
S201, described electronic license plate 1 sends ultra-wideband pulse signal to described base station 2;
S202, described base station 2 receives described ultra-wideband pulse signal, uploads the moment extremely described suspect vehicle location-server 3 receiving described ultra-wideband pulse signal;
S203, suspect vehicle location-server 3 moment receiving described ultra-wideband pulse signal that base station 2 is uploaded according to location algorithm and each, generate the real-time coordinates of described electronic license plate 1, and for reading the vehicle identity information stored in described electronic license plate 1, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate 1, locate and follow the tracks of described vehicle.
Wherein, described location algorithm comprise time of arrival (Time of Arrival, TOA) algorithm and time of arrival poor (Time Difference of Arrival, TOA) algorithm at least one.
In embodiments of the present invention, between base station 2 and electronic license plate 1, signal transmission between base station 2 and base station 2 adopts ultra-wideband wireless communication technique, and ultra-wideband wireless communication technique, owing to adopting the non-sinusoidal wave burst pulse transmission data of nanosecond, there is bandwidth, multichannel, low-power consumption, not easily be disturbed, safety coefficient is high, it is deposited with existing frequency spectrum, the features such as existing ultra-wideband communications applications can not be disturbed, therefore can by carrying out hi-Fix to electronic license plate 1, and then hi-Fix is carried out to the vehicle attaching electronic license plate 1 high-speed mobile in road, also can strengthen the stability of location simultaneously.
embodiment four
Fig. 3 is the realization flow figure of the localization method step S201 that the embodiment of the present invention provides, and details are as follows:
S301, reads the vehicle identity information stored in described electronic license plate 1;
S302, in the suspect vehicle database prestored, matches the vehicle identity information of reading and the suspect vehicle identity information prestored;
S303, when the match is successful, according to the real-time coordinates of described electronic license plate 1, locates and follows the tracks of described vehicle.
In embodiments of the present invention, when the match is successful, automatically locate and follow the tracks of described vehicle, enhancing the intelligence degree of the suspect vehicle positioning system based on ultra-wideband wireless location technology.
embodiment five
Fig. 4 is the first realization flow figure of the localization method step S302 that the embodiment of the present invention provides, and details are as follows:
S401, in the vehicle identity information read, extracts the number-plate number;
S402, in the suspect vehicle database prestored, matches the number-plate number of reading and the number-plate number in the suspect vehicle identity information prestored.
In embodiments of the present invention, the number-plate number of reading and the number-plate number in the suspect vehicle identity information prestored are matched, is convenient to fast finding and goes out suspect vehicle.
embodiment six
Fig. 5 is the second realization flow figure of the localization method step S302 that the embodiment of the present invention provides, and details are as follows:
S501, in the vehicle identity information read, extracts car owner's identification card number;
S502, in the suspect vehicle database prestored, matches car owner's identification card number of reading and the car owner's identification card number in the suspect vehicle identity information prestored.
In embodiments of the present invention, car owner's identification card number of reading and the car owner's identification card number in the suspect vehicle identity information prestored are matched, is convenient to fast finding and goes out suspect vehicle.
embodiment seven
Fig. 6 is the realization flow figure of the transmission suspect vehicle warning message that the embodiment of the present invention provides, and details are as follows:
S601, in real time according to the described road at vehicle place and the vehicle identity information of reading, generates suspect vehicle warning message;
S602, sends described suspect vehicle warning message to the suspect vehicle alarm terminal associated in advance.
In embodiments of the present invention, suspect vehicle warning message is sent to suspect vehicle alarm terminal, after receiving suspect vehicle warning message to make suspect vehicle alarm terminal, suspect vehicle warning message can be shown, for traffic department's reference, help traffic department follow the trail of suspect vehicle and manage, the government pressure of vehicle can be alleviated.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realizes.Described program can be stored in read/write memory medium, described storage medium, as random access memory, flash memory, ROM (read-only memory), programmable read only memory, electrically erasable programmable storer, register etc.This storage medium is positioned at storer, and processor reads the information in storer, performs the method described in each embodiment of the present invention in conjunction with its hardware.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1., based on a suspect vehicle positioning system for ultra-wideband wireless location technology, it is characterized in that, comprising:
Be attached on vehicle, send the electronic license plate of ultra-wideband pulse signal;
Being positioned at by road, at least three interconnected and synchronous base stations, for receiving described ultra-wideband pulse signal, uploading the moment receiving described ultra-wideband pulse signal;
Be connected in the suspect vehicle location-server of described base station, for the moment receiving described ultra-wideband pulse signal that base station according to location algorithm and each is uploaded, generate the real-time coordinates of described electronic license plate, and for reading the vehicle identity information stored in described electronic license plate, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate, locate and follow the tracks of described vehicle.
2. as claimed in claim 1 based on the suspect vehicle positioning system of ultra-wideband wireless location technology, it is characterized in that, in described at least three base stations, between base station and base station, adopt wired network schemer or wireless network schemer interconnected, at least one in the Ethernet that described wired network schemer comprises fiber optic network, twisted-pair feeder forms, the Ethernet of concentric cable composition, described wireless network schemer comprises at least one in WIFI network pattern, 3G network pattern, 4G network schemer, 5G network schemer.
3. as claimed in claim 1 based on the suspect vehicle positioning system of ultra-wideband wireless location technology, it is characterized in that, between described base station and vehicle location service device 3, adopt wired network schemer or wireless network schemer interconnected, at least one in the Ethernet that described wired network schemer comprises fiber optic network, twisted-pair feeder forms, the Ethernet of concentric cable composition, described wireless network schemer comprises at least one in WIFI network pattern, 3G network pattern, 4G network schemer, 5G network schemer.
4. as claimed in claim 1 based on the suspect vehicle positioning system of ultra-wideband wireless location technology, it is characterized in that, a base station at least three base stations described in described suspect vehicle location-server is direct-connected or multiple base station, or, a base station at least three base stations described in described suspect vehicle location-server is connected by switch or multiple base station.
5. based on a localization method for suspect vehicle positioning system according to claim 1, it is characterized in that, described localization method comprises:
Described electronic license plate sends ultra-wideband pulse signal to described base station;
Described base station receives described ultra-wideband pulse signal, uploads the moment extremely described suspect vehicle location-server receiving described ultra-wideband pulse signal;
The described suspect vehicle location-server moment receiving described ultra-wideband pulse signal that base station is uploaded according to location algorithm and each, generate the real-time coordinates of described electronic license plate, and for reading the vehicle identity information stored in described electronic license plate, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate, locate and follow the tracks of described vehicle.
6. localization method as claimed in claim 5, is characterized in that, described location algorithm comprise time of arrival TOA algorithm and time of arrival difference TDOA algorithm at least one.
7. localization method as claimed in claim 5, is characterized in that, the vehicle identity information stored in the described electronic license plate of described reading, when described vehicle identity information is suspect vehicle identity information, according to the real-time coordinates of described electronic license plate, locate and follow the tracks of described vehicle, being specially:
Read the vehicle identity information stored in described electronic license plate;
In the suspect vehicle database prestored, the vehicle identity information of reading and the suspect vehicle identity information prestored are matched;
When the match is successful, according to the real-time coordinates of described electronic license plate, locate and follow the tracks of described vehicle.
8. localization method as claimed in claim 7, is characterized in that, in the suspect vehicle database prestored, the vehicle identity information of reading and the suspect vehicle identity information prestored is matched, is specially:
In the vehicle identity information read, extract the number-plate number;
In the suspect vehicle database prestored, the number-plate number of reading and the number-plate number in the suspect vehicle identity information prestored are matched.
9. localization method as claimed in claim 7, is characterized in that, in the suspect vehicle database prestored, the vehicle identity information of reading and the suspect vehicle identity information prestored is matched, is specially:
In the vehicle identity information read, extract car owner's identification card number;
In the suspect vehicle database prestored, car owner's identification card number of reading and the car owner's identification card number in the suspect vehicle identity information prestored are matched.
10. localization method as claimed in claim 5, it is characterized in that, described localization method, also comprises:
In real time according to the described road at vehicle place and the vehicle identity information of reading, generate suspect vehicle warning message;
Described suspect vehicle warning message is sent to the suspect vehicle alarm terminal associated in advance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510175681.XA CN104809904B (en) | 2015-04-14 | 2015-04-14 | Suspect vehicle alignment system and localization method based on ultra-wideband wireless location technology |
| PCT/CN2015/077234 WO2016165156A1 (en) | 2015-04-14 | 2015-04-22 | Ultra-wideband wireless positioning technology-based suspicious vehicle positioning system and positioning method |
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| CN201510175681.XA CN104809904B (en) | 2015-04-14 | 2015-04-14 | Suspect vehicle alignment system and localization method based on ultra-wideband wireless location technology |
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Also Published As
| Publication number | Publication date |
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| CN104809904B (en) | 2018-02-09 |
| WO2016165156A1 (en) | 2016-10-20 |
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