CN106936703A - A kind of method for checking gateway, the system of inspection stolen vehicle and inspection stolen vehicle - Google Patents
A kind of method for checking gateway, the system of inspection stolen vehicle and inspection stolen vehicle Download PDFInfo
- Publication number
- CN106936703A CN106936703A CN201710180642.8A CN201710180642A CN106936703A CN 106936703 A CN106936703 A CN 106936703A CN 201710180642 A CN201710180642 A CN 201710180642A CN 106936703 A CN106936703 A CN 106936703A
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- CN
- China
- Prior art keywords
- stolen vehicle
- inspection
- gateway
- mobile terminal
- directional aerial
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/20—Communication devices for vehicle anti-theft devices
- B60R2325/205—Mobile phones
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The present invention relates to one kind inspection gateway, including gateway master controller and the directional aerial that be connected with gateway master controller, directional aerial quantity is at least three, directional aerial circumferentially array and directional aerial direction towards outside circumference；Beneficial effect of the present invention is after inspection gateway is installed on into certain altitude, the signal disturbing factor in complex environment can be substantially reduced, direction of the signal that calculating is collected relative to inspection gateway and distance, after being used cooperatively with mobile phone and hand-held inspection rifle, in the direction of quick identification stolen vehicle and distance, greatly reduce the search difficulty and search time of stolen vehicle in complex environment, improve the operating efficiency of inspector.
Description
Technical field
The present invention relates to anti-theft field of vehicles, and in particular to a kind of inspection gateway, inspection stolen vehicle system and check
The method for looking into stolen vehicle.
Background technology
The antitheft problem to electric motor car in some cities takes specific aim measure at present, i.e., by electric motor car
Interior concealment part installs anti-theft tag, and the anti-theft tag can be spaced the scheduled time and externally send wireless signal.If electric motor car quilt
Steal, relevant department can pipe off the electric motor car, when the stolen vehicle is travelled to a certain gateway signal scope, the net
Pass is collected into the wireless signal of the stolen vehicle, you can assert that the electric motor car haunts near gateway, then can notify to check people
Member finds the stolen vehicle near gateway.Current this measure has been achieved for certain effect, has given for change and has quite counted
The passive vehicle of amount, substantially increases the case-solving rate of vehicle theft case, deters lawless person, and car class crime, success are stolen in containment
Retrieve part victim loss.
Inspector would generally carry special inspection equipment when finding stolen vehicle, such as hand-held inspection rifle, the inspection
The equipment signal receiver mobile equivalent to, built-in directional aerial can receive and identify the nothing of anti-theft tag in electric motor car
Line signal.When being searched near stolen vehicle, if the direction of hand-held inspection rifle alignment is approximately towards stolen vehicle, check
The wireless signal strength that rifle is searched out can be more than the wireless signal strength in other directions, and with the principle, inspector just could be aware that
The direction of stolen vehicle simultaneously eventually finds stolen vehicle.
But some problems are there is also during hand-held inspection rifle is used at present, when hand-held inspection rifle is in spaciousness
When area uses, really can precise positioning to the position of vehicle, smoothly find vehicle.But villages within the city and some communities,
In cell in grade complex environment, because the intensive building of surrounding, numerous parked cars and trees, in signal Multipath Transmission
（That is direct wave, back wave, refracted wave, diffracted wave and their composite wave）Under the influence of, to the directionality of hand-held inspection rifle
Judgement is generated than large effect, it is difficult to precise positioning, often judges the direction for making mistake, so as to increased the difficulty of search
Degree, although finally still can find stolen vehicle, but undoubtedly considerably increase search time.
The content of the invention
To avoid the weak point of background technology, the present invention from providing a kind of inspection gateway, can rapidly recognize what is collected
Signal relative to inspection gateway direction and distance, after being used cooperatively with mobile phone and hand-held inspection rifle, can calculate rapidly by
Steal direction of the vehicle relative to inspector and distance.Simultaneously present invention also offers a kind of inspection quilt of application inspection gateway
The method for stealing Vehicular system and inspection stolen vehicle.
A kind of inspection gateway proposed by the present invention, including gateway master controller and the orientation that is connected with gateway master controller
Antenna, directional aerial quantity is at least three, directional aerial circumferentially array and directional aerial direction towards outside circumference；
Preferably, directional aerial setting height(from bottom) is at least 3 meters.
Further, have a directional aerial in directional aerial is oriented magnetic north direction.
Further, also including anchor ear, connector, anchor ear is clamped and is installed on column fixture surface；Connector one end sets
There is the hole passed through for anchor ear, the other end is fixedly connected with directional aerial.
Further, connector includes first support and second support, and first support is provided with the hole passed through for anchor ear, second
Support is fixedly connected with directional aerial；First support and second support are connected by hook.
A kind of inspection stolen vehicle system of the another above-mentioned inspection gateway of application for proposing of the invention, including discernible signal comes
The inspection gateway in source direction, mobile terminal, big data platform, inspection gateway carry out data interaction for connecting big data platform,
Stolen vehicle database is downloaded from big data platform, according to what is occurred in the range of stolen vehicle database collection inspection gateway signal
The wireless signal and RSSI signal intensities of stolen vehicle, calculate deflection and distance of the stolen vehicle relative to inspection gateway, most
The positional information of stolen vehicle is uploaded to big data platform afterwards；Inspection gateway has multiple orientations towards different directions day
Line；Big data platform is used to be connected and carry out data interaction with inspection gateway, issues stolen vehicle database to checking gateway, and connect
Receive, the stolen vehicle positional information that gateway is uploaded is checked in storage；Big data platform is additionally operable to be connected with mobile terminal carries out data
Interaction, the location information of mobile terminal that reception, memory mobile terminal are uploaded, issues stolen vehicle database, stolen vehicle position
Information and inspection gateway location information are to mobile terminal；Mobile terminal carries out data interaction for connecting big data platform, from
Big data platform downloads stolen vehicle database, stolen vehicle positional information and inspection gateway location information, according to inspection net
The position of pass, stolen vehicle and mobile terminal itself, calculates direction of the stolen vehicle relative to mobile terminal and distance, then
It is displayed on screen.
Further, also including inspection equipment, inspection equipment is used for from mobile terminal or inspection gateway downloads stolen vehicle
Database, and in closely searching stolen vehicle.
A kind of method of the another inspection stolen vehicle for proposing of the invention, comprises the following steps：
（1）It is determined that the direction of each directional aerial of the position of inspection gateway and inspection gateway；
（2）Gather the wireless signal and RSSI signal intensities of stolen vehicle；
（3）Determine deflection and distance of the stolen vehicle relative to inspection gateway；
（4）Determine the position of mobile terminal；
（5）Determine deflection and distance of the mobile terminal relative to inspection gateway；
（6）Direction of the stolen vehicle relative to mobile terminal and distance are calculated, and is displayed on mobile terminal screen；
（7）The remote stolen vehicle direction indication shown according to mobile terminal closely uses inspection equipment close to stolen vehicle
Search stolen vehicle.
Preferably, implementation steps（5）Before, on the basis of the position of mobile terminal, make mobile terminal and mobile terminal
The inspection gateway opening relationships on periphery.
It is another preferred, implementation steps（5）Before, on the basis of the position of stolen vehicle, select apart from stolen car
Nearest mobile terminal, makes the inspection gateway opening relationships of the mobile terminal and stolen vehicle region.
Mobile terminal refers to smart mobile phone, notebook, panel computer etc. in the present invention.
Beneficial effect of the present invention is that after inspection gateway is installed on into certain altitude, can substantially reduce the letter in complex environment
Number disturbing factor, direction of the signal that calculating is collected relative to inspection gateway and distance, coordinate with mobile phone and hand-held inspection rifle
After use, in the direction of quick identification stolen vehicle and distance, greatly reduce stolen vehicle in complex environment search difficulty and
Search time, improves the operating efficiency of inspector.
Brief description of the drawings
Fig. 1 is the scheme of installation of the directional aerial of the inspection gateway of the embodiment of the present invention 1.
Fig. 2 is the outline drawing of the directional aerial of the inspection gateway of the embodiment of the present invention 1.
Fig. 3 is the structure chart of the first support of the inspection gateway of the embodiment of the present invention 1.
Fig. 4 is the structure chart of the second support of the inspection gateway of the embodiment of the present invention 1.
Fig. 5 is the radiation direction schematic diagram of the directional aerial of the inspection gateway of the embodiment of the present invention 1.
Fig. 6 is the function structure chart that the embodiment of the present invention 2 checks stolen vehicle system.
Fig. 7 is that the embodiment of the present invention 2 checks the position relationship of three in stolen vehicle system and apart from schematic diagram.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described：
Embodiment 1,1-5, one kind inspection gateway, including gateway master controller and is connected with gateway master controller referring to the drawings
Directional aerial S101, directional aerial S101 quantity are four, and by ABCD serial numbers, wherein directional aerial A is when mounted by it
Towards being set to magnetic north direction, the direction of four directional aerial S101 circumferentially array and directional aerial S101 is towards circumference
Outward, horizontal radiation pattern is as shown in figure 5, the antenna pattern is only used for referring to and understanding the work of present invention inspection gateway
Principle, actual antenna pattern is determined by the structure and parameter of directional aerial.
The present embodiment inspection gateway is preferably attached on electric pole or on light pole, and the setting height(from bottom) of directional aerial S101 is
3 to 5 meters, directional aerial S101 is connected by connector with anchor ear S102, and anchor ear S102 is fixedly clamped on electric pole or street lamp
Bar surface；The preferred connector of the present embodiment includes that first support S103 and second support S104, first support S103 are provided with for embracing
The hole that hoop S102 is passed through, second support S104 is fixedly connected with directional aerial S101；First support S103 and second support S104
It is connected by hook；Coupling type connection can facilitate the installation of directional aerial S101.
General inspector's height is in 160-180cm or so, when it grips inspection equipment, checks the height of equipment also just
130-150cm or so is in, and the installation site of the anti-theft tag of stolen vehicle, in this height aspect, is stolen below 1 meter
The barriers such as numerous vehicles, low buildings, trees are may be filled between vehicle and inspection equipment, in signal Multipath Transmission
（That is direct wave, back wave, refracted wave, diffracted wave and their composite wave）Under the influence of, although inspection equipment also possesses fixed
To antenna, but it is likely to receive the signal of all directions, inspector is difficult to judge the specific direction of stolen vehicle.This
In implementation, the directional aerial S101 that will check gateway is arranged on the electric pole on 3 to 5 meters of ground or light pole, it is also possible to
At roof, influence of most of low obstructions to signal can be prevented effectively from, simultaneously as directional aerial S101's deposits
Causing inspection the gateway also direction in discernible signal source and distance.
Embodiment 2,5-6, checks the inspection stolen vehicle system of gateway referring to the drawings described in a kind of Application Example 1,
Including inspection gateway S201, big data platform S202, mobile terminal S203 and inspection equipment S204, inspection gateway S201 is used for
Connection big data platform S202 carries out data interaction, stolen vehicle database is downloaded from big data platform S202, according to stolen car
The wireless signal and RSSI signal intensities of the stolen vehicle occurred in database collection inspection gateway S201 range of signals, calculate
Deflection and distance of the stolen vehicle relative to inspection gateway S201, are finally uploaded to big data by the positional information of stolen vehicle
Platform；Inspection gateway S201 has multiple directional aerials towards different directions；
Big data platform S202 is used to be connected with inspection gateway S201 carries out data interaction, issues stolen vehicle database to inspection
Gateway S201, and receive, store the stolen vehicle positional information that inspection gateway S201 is uploaded；Big data platform S202 be additionally operable to
Mobile terminal S203 connections carry out data interaction, and the location information of mobile terminal that reception, memory mobile terminal S203 are uploaded is issued
Stolen vehicle database, stolen vehicle positional information and inspection gateway location information are to mobile terminal S203；
Mobile terminal S203 carries out data interaction for connecting big data platform S202, and stolen car is downloaded from big data platform S202
Database, stolen vehicle positional information and inspection gateway location information, according to inspection gateway, stolen vehicle and it is mobile eventually
The position of itself is held, direction of the stolen vehicle relative to mobile terminal and distance is calculated, is then displayed on screen；
Inspection equipment is used to download stolen vehicle database from mobile terminal S203 or inspection gateway S201, and in closely searching
Stolen vehicle.
The principle of the present embodiment system：Directional aerial（Directional antenna）Refer to some or certain it is several
Launch and receive electromagnetic wave on specific direction especially strong, and it is then zero or minimum to launch in other directions and receive electromagnetic wave
A kind of antenna.The direction of 4 alignment antennas is respectively all directions, fixed by 4 when the signal in certain direction is received
The difference to RSSI signal intensities that wire antenna is received, can determine whether out the general direction in signal source, therefore inspection gateway by connecing
The stolen vehicle signal for receiving, according to 4 directions of alignment antenna of inspection gateway, it is possible to judge the substantially square of stolen vehicle
To while according to RSSI signal intensities and the relation of distance, the distance of stolen vehicle and inspection gateway can be calculated again.
As shown in fig. 6, when the deflection and distance relative to inspection gateway of knowing stolen vehicle, checking the geography of gateway
Position is again known, when mobile terminal is by behind the geographical position that GPS positioning system draws mobile terminal, it is possible to according to three
Angle geometrical principle, calculates direction of the stolen vehicle relative to mobile terminal and distance, and inspector just can intuitively move
The approximate location of stolen vehicle on the map interface of dynamic terminal；Behind the position of stolen vehicle, by the equipment of checking
Accurately find out stolen vehicle.
Embodiment 3, the method that a kind of inspection stolen vehicle of gateway is checked described in a kind of Application Example 1, including with
Lower step：
（1）It is determined that the direction of each directional aerial of the position of inspection gateway and inspection gateway；
（2）Gather the wireless signal and RSSI signal intensities of stolen vehicle；
（3）Calculate deflection and distance of the stolen vehicle relative to inspection gateway；
（4）Determine the position of mobile terminal；
（5）Determine deflection and distance of the mobile terminal relative to inspection gateway；
（6）Direction of the stolen vehicle relative to mobile terminal and distance are calculated, and is displayed on mobile terminal screen；
（7）The remote stolen vehicle direction indication shown according to mobile terminal closely uses inspection equipment close to stolen vehicle
Search stolen vehicle.
It should be noted that due to equipment in itself and the multifactor influence such as signal transmission, ultimately resulting in stolen vehicle
Actual position has a certain distance deviation with the position shown by mobile terminal, in the present invention when inspector is in should be away from
It is believed that for closely with a distance from inspector and stolen vehicle when in deviation range, otherwise it is then remote.
Under normal mode, in order to reach the maximization of efficiency, position according to inspector finding nearby stolen car nearby
It is a kind of relatively good measure, therefore implementation steps（5）Before, can be made mobile whole on the basis of the position of mobile terminal
End and the inspection gateway opening relationships on mobile terminal periphery.
It is not that each stolen vehicle can be given for change in time, if some stolen vehicles are frequent in view of actual conditions
Haunt remote place, and if gateway is not checked in these places, these stolen vehicles are difficult inspected personnel's search
Arrive, long-pending case will be turned into the course of time.Obviously, if these stolen vehicles are appeared in the range of signal of gateway, should turn into
The preferential object found, if now according further to normal mode, and without if inspector near gateway, then may
The signal of these stolen vehicles is lost again.Therefore setting mode of priority, implementation steps（5）Before, if the stolen vehicle is long-pending case
In list, then on the basis of the position of the stolen vehicle, the mobile terminal nearest apart from stolen vehicle is selected, make the movement
Terminal and the inspection gateway opening relationships of stolen vehicle region.
Although the present invention is described by reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, the description of above-described embodiment can be not limited to, in the range of claims, can make each in form and details
Plant change.
Claims (9)
1. a kind of inspection gateway, including gateway master controller and the directional aerial being connected with gateway master controller, its feature exist
In：The directional aerial quantity is at least three, the directional aerial circumferentially array and directional aerial direction towards outside circumference；
The directional aerial setting height(from bottom) is at least 3 meters.
2. one kind according to claim 1 checks gateway, it is characterised in that：There is a directional aerial in the directional aerial
It is oriented magnetic north direction.
3. one kind according to claim 1 checks gateway, it is characterised in that：Also include anchor ear, connector, the anchor ear leads to
Cross hoop board clamping and be installed on column fixture surface；Described connector one end is provided with the hole passed through for anchor ear, the other end and orientation
Antenna is fixedly connected.
4. one kind according to claim 3 checks gateway, it is characterised in that：The connector includes first support and second
Support, the first support is provided with the hole passed through for anchor ear, and the second support is fixedly connected with directional aerial；Described first
Frame and the second support are connected by hook.
5. it is a kind of check stolen vehicle system, it is characterised in that：Inspection gateway, movement including discernible signal source direction
Terminal, big data platform,
The inspection gateway carries out data interaction for connecting big data platform, and stolen vehicle data are downloaded from big data platform
Storehouse, according to the wireless signal and RSSI signals of the stolen vehicle occurred in the range of stolen vehicle database collection inspection gateway signal
Intensity, calculates deflection and distance of the stolen vehicle relative to inspection gateway, is finally uploaded to the positional information of stolen vehicle
Big data platform；The inspection gateway has multiple directional aerials towards different directions；
The big data platform is used to be connected and carry out data interaction with inspection gateway, issues stolen vehicle database to checking net
Close, and receive, store the stolen vehicle positional information that inspection gateway is uploaded；
The big data platform is additionally operable to be connected with mobile terminal carries out data interaction, the shifting that reception, memory mobile terminal are uploaded
Dynamic terminal positional information, issues stolen vehicle database, stolen vehicle positional information and inspection gateway location information to movement
Terminal；
The mobile terminal carries out data interaction for connecting big data platform, and stolen vehicle data are downloaded from big data platform
Storehouse, stolen vehicle positional information and inspection gateway location information, according to inspection gateway, stolen vehicle and mobile terminal itself
Position, calculate direction of the stolen vehicle relative to mobile terminal and distance, be then displayed on screen.
6. it is according to claim 5 it is a kind of check stolen vehicle system, it is characterised in that：Also include inspection equipment, institute
Inspection equipment is stated for from mobile terminal or inspection gateway downloads stolen vehicle database, and in closely searching stolen vehicle.
7. it is a kind of check stolen vehicle method, it is characterised in that comprise the following steps：
（1）It is determined that the direction of each directional aerial of the position of inspection gateway and inspection gateway；
（2）Gather the wireless signal and RSSI signal intensities of stolen vehicle；
（3）Calculate deflection and distance of the stolen vehicle relative to inspection gateway；
（4）Determine the position of mobile terminal；
（5）Determine deflection and distance of the mobile terminal relative to inspection gateway；
（6）Direction of the stolen vehicle relative to mobile terminal and distance are calculated, and is displayed on mobile terminal screen；
（7）The remote stolen vehicle direction indication shown according to mobile terminal closely uses inspection equipment close to stolen vehicle
Search stolen vehicle.
8. according to a kind of method of the inspection stolen vehicle described in claim 7, it is characterised in that：Implementation steps（5）Before, with movement
On the basis of the position of terminal, make the inspection gateway opening relationships of mobile terminal and mobile terminal periphery.
9. according to a kind of method of the inspection stolen vehicle described in claim 7, it is characterised in that：Implementation steps（5）Before, with stolen
On the basis of the position of vehicle, the mobile terminal nearest apart from stolen vehicle is selected, make the mobile terminal and stolen vehicle institute
In the inspection gateway opening relationships in region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710180642.8A CN106936703A (en) | 2017-03-24 | 2017-03-24 | A kind of method for checking gateway, the system of inspection stolen vehicle and inspection stolen vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710180642.8A CN106936703A (en) | 2017-03-24 | 2017-03-24 | A kind of method for checking gateway, the system of inspection stolen vehicle and inspection stolen vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106936703A true CN106936703A (en) | 2017-07-07 |
Family
ID=59425086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710180642.8A Pending CN106936703A (en) | 2017-03-24 | 2017-03-24 | A kind of method for checking gateway, the system of inspection stolen vehicle and inspection stolen vehicle |
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| Country | Link |
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| CN (1) | CN106936703A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005321888A (en) * | 2004-05-06 | 2005-11-17 | Tokai Rika Co Ltd | Stolen vehicle finding system, vehicle theft preventing device, stolen vehicle finding device and method |
| CN1780460A (en) * | 2004-11-24 | 2006-05-31 | 中兴通讯股份有限公司 | Method for positioning terminal by personnel hand system |
| CN202383839U (en) * | 2011-12-29 | 2012-08-15 | 王天一 | Wireless sensor network based intelligent wireless parking guidance system in community |
| CN104199068A (en) * | 2014-09-04 | 2014-12-10 | 上海移为通信技术有限公司 | Detection system and detection method for vehicle tracking orientation and location |
| CN105083222A (en) * | 2015-07-31 | 2015-11-25 | 徐承柬 | Vehicle tracking system |
-
2017
- 2017-03-24 CN CN201710180642.8A patent/CN106936703A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005321888A (en) * | 2004-05-06 | 2005-11-17 | Tokai Rika Co Ltd | Stolen vehicle finding system, vehicle theft preventing device, stolen vehicle finding device and method |
| CN1780460A (en) * | 2004-11-24 | 2006-05-31 | 中兴通讯股份有限公司 | Method for positioning terminal by personnel hand system |
| CN202383839U (en) * | 2011-12-29 | 2012-08-15 | 王天一 | Wireless sensor network based intelligent wireless parking guidance system in community |
| CN104199068A (en) * | 2014-09-04 | 2014-12-10 | 上海移为通信技术有限公司 | Detection system and detection method for vehicle tracking orientation and location |
| CN105083222A (en) * | 2015-07-31 | 2015-11-25 | 徐承柬 | Vehicle tracking system |
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Application publication date: 20170707 |