CN103093642A - Parking lot information issuing device based on vehicle-mounted ad hoc network - Google Patents

Parking lot information issuing device based on vehicle-mounted ad hoc network Download PDF

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Publication number
CN103093642A
CN103093642A CN2013100035839A CN201310003583A CN103093642A CN 103093642 A CN103093642 A CN 103093642A CN 2013100035839 A CN2013100035839 A CN 2013100035839A CN 201310003583 A CN201310003583 A CN 201310003583A CN 103093642 A CN103093642 A CN 103093642A
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CN
China
Prior art keywords
parking lot
vehicle
information
hoc network
units
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Application number
CN2013100035839A
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Chinese (zh)
Inventor
施文灶
王平
黄晞
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福建师范大学
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Application filed by 福建师范大学 filed Critical 福建师范大学
Priority to CN2013100035839A priority Critical patent/CN103093642A/en
Publication of CN103093642A publication Critical patent/CN103093642A/en

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Abstract

The invention relates to a parking lot information issuing device based on a vehicle-mounted ad hoc network. The parking lot information issuing device is formed by a parking lot monitoring host, a road-side unit and vehicle-mounted units. The parking lot monitoring host is connected with the road-side unit in a wired or wireless mode. The road-side unit is connected with the vehicle-mounted units in a wireless mode. The vehicle-mounted units are connected with each other in a wireless mode. An administrator in a parking lot transmits information to the road-side unit through the monitoring host. The vehicle-mounted units are used for downloading the parking lot information from the road-side unit. The vehicle-mounted units mutually interchange the information. Users can carry out query operations to the vehicle-mounted units and obtain the optimal parking lot information near a destination in real time. The parking lot information issuing device based on the vehicle-mounted ad hoc network has the advantage of achieving accurate and real-time issue of the parking lot information through utilization of communication between the road-side unit and the vehicle-mounted units in the vehicle-mounted ad hoc network. The vehicle-mounted units are communicated with each other in a wireless mode, can carry out simple modification so as to be integrated with a vehicle-mounted navigation device, and are favorable for reducing cost.

Description

A kind of vehicle parking system information publish based on vehicular ad hoc network

Technical field

The present invention relates to a kind of information release field of MANET, is a kind of vehicle parking system information publish based on vehicular ad hoc network specifically.

Background technology

In the city of traffic congestion, parking is extremely time consuming part in the trip process, has been scheduled to the situation on parking stall at terminal point except those, seeks a big chunk that the parking gap need to take total travel time.The data that obtain according to domestic and international different regions different statistical methods, the ratio from 8% to 74% that the traffic flow that is caused by parking accounts for total magnitude of traffic flow does not wait; Another group data show, seek from 3.5 to 14 minutes averaging times on parking stall.Return its reason to be that the driver can't obtain position and the parking information thereof in parking lot or obtain untimely, thereby caused repeating or invalid travelling, both wasted the valuable time, also tied up nervous path space, increased simultaneously the exhaust emissions of automobile, serious environment pollution.For above problem, the focus of recent domestic research is that advanced person's infotech, data communication technology, automatic control technology and the information processing technology etc. are carried out effective integration, parking lot information is distributed to the driver timely and accurately, make every effort to accomplish set up intelligent contact between road, vehicle and driver, realize the harmony on people, car, road, thereby produce huge economic benefit and social benefit.

common parking lot information published method mainly contains the internet, broadcasting, display screen, the word classes such as direction board, the information carrier facility of graphics class or voice class, adopt wired or wireless communication modes, the traveler of driving is provided the position in periphery parking lot, destination, arrive the path, the paying price of parking stall in relevant road traffic condition and parking lot, the use state, the information such as parking stall guiding, the guide traveler of driving is selected rational trip mode, the destination, the trip path, parking lot and parking stall, can arrive easily destination and expectation parking lot and successfully stop.Be the parking guidance information delivery system of 201020658294.4 patented invention as application number, formed by central controller, Node Controller, 485 communication networks and some LED screen; The patent No. is three grades of LED parking guidance screens of the patented invention of ZL201220068233, comprise the ingredients such as parking lot sign, wireless communication module and static information screen, there are some researches show, a lot of drivers are unconspicuous to the reaction of LED screen, so adopt the mode of LED induced screen extremely limited to the parking guidance effect, and need to build LED induced screen at different levels.

application number is a kind of parking guidance system and the method thereof based on parking index issue and forecast of 201210018034.4 patented inventions, by gathering gateway, parking lot flow information, and with data upload, calculate parking index, at last parking index result of calculation is transferred on each terminal of information issue subsystem, can comparatively accurately and reliably issue parking information to a certain extent, but system is by information delivery server, the exponent arithmetic unit, database server, the office terminal, the internet, vehicle GPS, traffic radio, three color induction screens, the compositions such as mobile phone, structure is too complicated, construction cost is high.

The problem that present various parking lot information delivery system exists can be summed up as: the information issue is untimely, form complex structure, construction cost is high.

Summary of the invention

The invention provides a kind of vehicle parking system information publish based on vehicular ad hoc network, purpose is to overcome the deficiency that existing parking lot information published method exists, and has the advantages such as realization is easy, convenient management, cheap, the information issue is in real time accurate.

for realizing that the technical scheme that target of the present invention adopts is: device is by the parking lot monitoring host computer, roadside unit and several board units form, wherein be connected by wired or wireless mode between parking lot monitoring host computer and roadside unit, be connected by wireless mode between roadside unit and board units, be connected by wireless mode between board units and board units, the parking attendant transfers to the roadside unit corresponding with it by the parking lot monitoring host computer with parking lot information, during certain roadside unit of board units process, download parking lot information from roadside unit, between board units in the effective range of radio communication mutual exchange message, the information that finally realizes each parking lot is recorded in each board units, the user is by the query manipulation to board units, can near the best parking lot information in Real-time Obtaining destination.

A described parking lot monitoring host computer and a roadside unit are applied to a parking lot jointly.

Described roadside unit is deployed near the roadside, road in 500 meters to 1000 meters of parking lot.

When described board units is downloaded parking lot information from roadside unit, timestamp of corresponding record.

In the exchange message process, replace information corresponding to old timestamp with the information that new timestamp is corresponding, with the real-time of guarantee information between described board units in the effective range of radio communication.

The invention has the beneficial effects as follows: use roadside unit in vehicular ad hoc network and the thought of communicating by letter of board units, realize parking lot information accurately and real-time release.Wireless mode is all adopted in communication between the unit, need not to build road infrastructure, and board units carries out simple modification and can integrate with existing in-vehicle navigation apparatus, is conducive to reduce costs.

Description of drawings

Fig. 1 is structural drawing of the present invention;

Fig. 2 is the structured flowchart of roadside unit of the present invention;

Fig. 3 is the structured flowchart of board units of the present invention;

Fig. 4 is the embodiment circuit diagram of roadside unit of the present invention.

Embodiment

Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.

In Fig. 1,101 is the parking lot monitoring host computer; 102 is roadside unit; 103 is board units; V111, V112 and V113 are the vehicles with board units (103).Wherein, parking lot monitoring host computer (101) is connected by wired or wireless mode with roadside unit (102), and roadside unit (102) is connected by wireless mode with board units (103), and board units is connected by wireless mode between (103).The parking attendant transfers to the roadside unit corresponding with it (102) by parking lot monitoring host computer (101) with parking lot information.Vehicle (V111) is in the efficient communication scope of roadside unit (102), downloads parking lot information from roadside unit, and vehicle (V112) and vehicle (V113) respectively are in the other side's radio communication effective range, carry out the mutual exchange of information.Communication between above roadside unit (102) and board units (103) and the communication between board units (103) are carried out in each position of whole transportation network equally, the information that finally realizes each parking lot is recorded in each board units, the user can near the best parking lot information in Real-time Obtaining destination by the query manipulation to board units.

In Fig. 2,201 is the microprocessor of roadside unit; 202 is the short-range wireless transceiver of roadside unit.Microprocessor (201) is connected with short-range wireless transceiver (202).

In Fig. 3,301 is the microprocessor of board units; 302 is the short-range wireless transceiver of board units; 303 is the band touch LCD display of board units.Short-range wireless transceiver (302) touches LCD display (303) with band and is connected with microprocessor (301) respectively.

In Fig. 4, U1 is the AT89S51MCU of roadside unit, and U2 is the storage chip AT24C16 of roadside unit, and U3 is the short-distance wireless receiver module PTR2000 of roadside unit.The pin 1,2 of microprocessor U1 connects respectively the pin 6,5 of storage chip U2; Pin 1,2,3,4, the 7 difference ground connection that connect storage chip U2; The pin 10,11,12,13,14 of microprocessor U1 connects respectively the pin 3,4,2,6,7 of short-distance wireless receiver module U3; The pin 1 of short-distance wireless receiver module U3 connects power supply VCC, pin 5 ground connection; Pin 20 ground connection of microprocessor U1, pin 40 connects power supply VCC; Power supply VCC is provided by the external dc power circuit.

During use, the parking attendant transfers to the roadside unit corresponding with it by the parking lot monitoring host computer with parking lot information, during certain roadside unit of board units process, download parking lot information from roadside unit, between board units in the effective range of radio communication mutual exchange message, the information that finally realizes each parking lot is recorded in each board units, and the user can near the best parking lot information in Real-time Obtaining destination by the query manipulation to board units.

Claims (5)

1. vehicle parking system information publish based on vehicular ad hoc network, it is characterized in that: device is comprised of parking lot monitoring host computer, roadside unit and board units, wherein be connected by wired or wireless mode between parking lot monitoring host computer and roadside unit, be connected by wireless mode between roadside unit and board units, board units is connected by wireless mode with several board units.
2. a kind of vehicle parking system information publish based on vehicular ad hoc network according to claim 1, is characterized in that a parking lot monitoring host computer and a roadside unit are applied to a parking lot jointly.
3. a kind of vehicle parking system information publish based on vehicular ad hoc network according to claim 1, is characterized in that roadside unit is deployed near roadside, road, parking lot.
4. a kind of vehicle parking system information publish based on vehicular ad hoc network according to claim 1, when it is characterized in that board units is downloaded parking lot information from roadside unit, timestamp of corresponding record.
5. a kind of vehicle parking system information publish based on vehicular ad hoc network according to claim 1, it is characterized in that between board units in the effective range of radio communication in the exchange message process, replace information corresponding to old timestamp with the information that new timestamp is corresponding, with the real-time of guarantee information.
CN2013100035839A 2013-01-06 2013-01-06 Parking lot information issuing device based on vehicle-mounted ad hoc network CN103093642A (en)

Priority Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103971538A (en) * 2014-05-20 2014-08-06 广州杰赛科技股份有限公司 Intelligent parking management system based on vehicular communication
CN104504932A (en) * 2014-12-18 2015-04-08 东华大学 Vehicle-mounted ad hoc network parking space publishing system combined with public transportation platform
CN105741607A (en) * 2016-04-19 2016-07-06 东华大学 Excitation-based method for discovering VANETs indoor parking space
CN105788354A (en) * 2016-04-19 2016-07-20 东华大学 VANET-based indoor parking space discovering and booking method

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JP2007271397A (en) * 2006-03-31 2007-10-18 Kenwood Corp Parking lot information distribution system, in-vehicle navigation device and parking lot information distribution device
CN101903925A (en) * 2007-12-21 2010-12-01 株式会社建伍 Road traffic information providing system, road traffic information providing device, road traffic information providing method and program
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Publication number Priority date Publication date Assignee Title
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CN105741607A (en) * 2016-04-19 2016-07-06 东华大学 Excitation-based method for discovering VANETs indoor parking space
CN105788354A (en) * 2016-04-19 2016-07-20 东华大学 VANET-based indoor parking space discovering and booking method
CN105788354B (en) * 2016-04-19 2018-02-23 东华大学 A kind of indoor parking position based on VANET is found and reserving method

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Application publication date: 20130508