CN104918325A - Positioning guide and parking guide methods and device - Google Patents

Positioning guide and parking guide methods and device Download PDF

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Publication number
CN104918325A
CN104918325A CN201510199781.6A CN201510199781A CN104918325A CN 104918325 A CN104918325 A CN 104918325A CN 201510199781 A CN201510199781 A CN 201510199781A CN 104918325 A CN104918325 A CN 104918325A
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CN
China
Prior art keywords
transmitting device
wireless transmitting
terminal equipment
signal strength
signal intensity
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Granted
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CN201510199781.6A
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Chinese (zh)
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CN104918325B (en
Inventor
解霏
赵青晖
王彦腾
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Beijing Xiaomi Technology Co Ltd
Xiaomi Inc
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Xiaomi Inc
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Priority to CN201510199781.6A priority Critical patent/CN104918325B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

The disclosure is about a positioning guide method, a parking guide method and positioning guide and parking guide devices, and is used to improve positioning accuracy. The positioning guide method comprises determining at least one signal intensity average values from at least one wireless transmitting equipment disposed at positions of at least one parking lot, determining current position information of a terminal equipment according to the at least one signal intensity average value, and determining information performing guide and prompt of parking positions of vehicles for users of terminal equipment according to the current position information and stored vehicle parked position information on the terminal equipment. According to the technical scheme of the disclosure, positioning and guide for the users can have more real-time performance, and positioning precision is higher.

Description

Orientation direction, parking guide method and device
Technical field
The disclosure relates to field of locating technology, particularly relates to a kind of orientation direction, parking guide method and device.
Background technology
Complicated along with underground parking landform, increasing user can not find oneself parking spot in underground parking, owing to lacking the guiding to user, lost when causing user to find the vehicle of oneself in underground parking.In correlation technique, each WAP (wireless access point) (Access Point, referred to as AP) there is a globally unique MAC Address, and the position of wireless aps is relatively fixing, when user opens the Wi-Fi of mobile device, the MAC Address that AP broadcasts out can be got, these can be identified the data such as the MAC Address of AP and be sent to location server by mobile device, location server by retrieving the position of each AP, and calculates the current residing position of mobile device in conjunction with the signal strength signal intensity of each AP.A limited number of occasions of wireless aps of disposing, correlation technique can not carry out orientation direction accurately to user due to the localization method of location server.
Summary of the invention
For overcoming Problems existing in correlation technique, disclosure embodiment provides a kind of orientation direction, parking guide method and device, in order to the defect avoiding the precision that positioned terminal equipment by location server in correlation technique not high.
According to the first aspect of disclosure embodiment, provide a kind of orientation direction method, application on the terminal device, comprising:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
Determine that the user to described terminal equipment carries out the indication information of the parking spot of described vehicle according to the parking position information of the vehicle that described current location information and described terminal equipment have stored.
In one embodiment, described at least one signal strength signal intensity average determined from least one wireless transmitting device, can comprise:
Determine multiple signal strength values of each wireless transmitting device periodic transmission of at least one wireless transmitting device;
Cumulative mean value computation is carried out to described multiple signal strength values, draws the signal strength signal intensity average of each wireless transmitting device described, as the signal strength signal intensity average of each wireless transmitting device described.
In one embodiment, described in described basis, at least one signal strength signal intensity average determines the current location information of described terminal equipment, can comprise:
Determine the signal strength signal intensity constant that described terminal equipment and any one wireless transmitting device at least one wireless transmitting device described are corresponding when being spaced apart setpoint distance;
Described at least one distance value between at least one wireless transmitting device and described terminal equipment is determined according to described signal strength signal intensity constant and at least one signal strength signal intensity average described;
The current location information of described terminal equipment is determined according at least one distance value described and each self-corresponding position coordinates of at least one wireless transmitting device described.
In one embodiment, determine according to described signal strength signal intensity constant and at least one signal strength signal intensity average described, in the step of described at least one distance value between at least one wireless transmitting device and described terminal equipment, to determine at least one distance value described by following equation described:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
In one embodiment, determine, in the step of the current location information of described terminal equipment, to determine the current location information of described terminal equipment by following equation at least one distance value described in described basis and each self-corresponding position coordinates of at least one wireless transmitting device described:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device described ..., distance value between a m wireless transmitting device and described terminal equipment.
In one embodiment, described method also can comprise:
Determine at least one the seizure condition information of at least one parking spot that at least one wireless transmitting device described is corresponding;
According at least one seizure condition information described, described indication information is corrected.
According to the second aspect of disclosure embodiment, provide a kind of parking guide method, application on the terminal device, comprising:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
The indication information that the needs carrying out described vehicle to the user of described terminal equipment stop is determined according to described current location information and at least one seizure condition information described.
In one embodiment, described in described basis, at least one signal strength signal intensity average determines the current location information of described terminal equipment, can comprise:
Determine the signal strength signal intensity constant that described terminal equipment and any one wireless transmitting device at least one wireless transmitting device described are corresponding when being spaced apart setpoint distance;
Described at least one distance value between at least one wireless transmitting device and described terminal equipment is determined according to described signal strength signal intensity constant and at least one signal strength signal intensity average described;
The current location information of described terminal equipment is determined according at least one distance value described and each self-corresponding position coordinates of at least one wireless transmitting device described.
In one embodiment, determine according to described signal strength signal intensity constant and at least one signal strength signal intensity average described, in the step of described at least one distance value between at least one wireless transmitting device and described terminal equipment, to determine at least one distance value described by following equation described:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
In one embodiment, determine, in the step of the current location information of described terminal equipment, to determine the current location information of described terminal equipment by following equation at least one distance value described in described basis and each self-corresponding position coordinates of at least one wireless transmitting device described:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device described ..., distance value between a m wireless transmitting device and described terminal equipment.
In one embodiment, the described indication information determining the needs parking user of described terminal equipment being carried out to described vehicle according to described current location information and at least one seizure condition information described, can comprise:
Determine to represent the unappropriated state information of Parking Stall at least one seizure condition information described;
The unappropriated Parking Stall nearest apart from described vehicle is determined according to described current location information and the unappropriated state information of described Parking Stall;
The unappropriated Parking Stall nearest according to described vehicle determines the indication information of stopping to the user of described terminal equipment.
According to the third aspect of disclosure embodiment, provide a kind of position guiding device, application on the terminal device, comprising:
First determination module, be configured to determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device described is arranged at least one Parking Stall place;
Second determination module, is configured to the current location information that at least one signal strength signal intensity average described in determining according to described first determination module determines described terminal equipment;
3rd determination module, the parking position information being configured to the vehicle that the described current location information determined according to described second determination module and described terminal equipment have stored determines that the user to described terminal equipment carries out the indication information of the parking spot of described vehicle.
In one embodiment, described first determination module can comprise:
First determines submodule, is configured to multiple signal strength values of each the wireless transmitting device periodic transmission determining at least one wireless transmitting device;
First calculating sub module, be configured to determine that described multiple signal strength values that submodule is determined carries out cumulative mean value computation to described first, draw the signal strength signal intensity average of each wireless transmitting device described, as the signal strength signal intensity average of each wireless transmitting device described.
In one embodiment, described second determination module can comprise:
Second determines submodule, is configured to determine the signal strength signal intensity constant that described terminal equipment and any one wireless transmitting device at least one wireless transmitting device described are corresponding when being spaced apart setpoint distance;
3rd determines submodule, is configured to determine that the described signal strength signal intensity constant that submodule is determined and at least one signal strength signal intensity average described determine described at least one distance value between at least one wireless transmitting device and described terminal equipment according to described second;
4th determines submodule, be configured to according to the described 3rd determine submodule determine described at least one distance value and each self-corresponding position coordinates of at least one wireless transmitting device described determine the current location information of described terminal equipment.
In one embodiment, the described 3rd determines that submodule determines at least one distance value described by following equation:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
In one embodiment, the described 4th determines that submodule determines the current location information of described terminal equipment by following equation:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device described ..., distance value between a m wireless transmitting device and described terminal equipment.
In one embodiment, described device also can comprise:
4th determination module, is configured at least one the seizure condition information determining at least one parking spot that at least one wireless transmitting device described is corresponding;
Correction module, described in being configured to determine according to described 4th determination module, at least one seizure condition information corrects the described indication information that described 3rd determination module is determined.
According to the fourth aspect of disclosure embodiment, provide a kind of pilot device for parking, application on the terminal device, comprising:
5th determination module, be configured to determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device described is arranged at least one Parking Stall place;
6th determination module, is configured to the current location information that at least one signal strength signal intensity average described in determining according to described 5th determination module determines described terminal equipment;
7th determination module, is configured to the described current location information determined according to described 6th determination module and at least one seizure condition information described determines the indication information that the needs carrying out described vehicle to the user of described terminal equipment stop.
In one embodiment, described 6th determination module can comprise:
5th determines submodule, is configured to determine the signal strength signal intensity constant that described terminal equipment and any one wireless transmitting device at least one wireless transmitting device described are corresponding when being spaced apart setpoint distance;
6th determines submodule, be configured to according to the described 5th determine Sohu of the Soviet Union signal strength signal intensity constant that submodule is determined and described 5th determination module determine described at least one signal strength signal intensity average determine described at least one distance value between at least one wireless transmitting device and described terminal equipment;
7th determines submodule, be configured to according to the described 6th determine submodule determine described at least one distance value and each self-corresponding position coordinates of at least one wireless transmitting device described determine the current location information of described terminal equipment.
In one embodiment, the described 6th determines that submodule determines at least one distance value described by following equation:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
In one embodiment, the described 7th determines that submodule determines the current location information of described terminal equipment by following equation:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device described ..., distance value between a m wireless transmitting device and described terminal equipment.
In one embodiment, described 7th determination module can comprise:
8th determines submodule, is configured to represent the unappropriated state information of Parking Stall at least one the seizure condition information described determining that described 5th determination module is determined;
9th determines submodule, and the described current location information and the described 8th being configured to determine according to described 6th determination module determines that the unappropriated state information of described Parking Stall that submodule is determined determines the unappropriated Parking Stall nearest apart from described vehicle;
Tenth determines submodule, is configured to determine that the nearest unappropriated Parking Stall of described vehicle that submodule is determined determines the indication information of stopping to the user of described terminal equipment according to the described 9th.
According to the 5th aspect of disclosure embodiment, a kind of position guiding device is provided, comprises:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
Determine that the user to described terminal equipment carries out the indication information of the parking spot of described vehicle according to the parking position information of the vehicle that described current location information and described terminal equipment have stored.
According to the 6th aspect of disclosure embodiment, a kind of pilot device for parking is provided, comprises:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
Determine that the user to described terminal equipment carries out the indication information of the parking spot of described vehicle according to the parking position information of the vehicle that described current location information and described terminal equipment have stored.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: determine that the user to terminal equipment carries out the indication information of the parking spot of vehicle by the parking position information of the vehicle that the current location information of terminal equipment and terminal equipment have stored, because the RSSI value in the disclosure can change along with the change of customer location, therefore the location of user is changed along with the change of RSSI value, therefore real-time is had more to the orientation direction of user, improve positioning precision; In addition, the orientation direction process to user that the disclosure is implemented by RSSI localization method, makes contacting of wireless transmitting device and terminal equipment more tight, enables user look for the vehicle of oneself fast and accurately.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form the part of this specification, shows embodiment according to the invention, and is used from specification one and explains principle of the present invention.
Fig. 1 is the scene graph of wireless transmitting device set in the parking lot according to an exemplary embodiment.
Fig. 2 is the flow chart of the orientation direction method according to an exemplary embodiment.
Fig. 3 is the flow chart of the orientation direction method according to an exemplary embodiment one.
Fig. 4 is the flow chart of the orientation direction method according to an exemplary embodiment two.
Fig. 5 is the flow chart of the orientation direction method according to an exemplary embodiment three.
Fig. 6 is the flow chart of the parking guide method according to an exemplary embodiment.
Fig. 7 is the flow chart of the parking guide method according to an exemplary embodiment one.
Fig. 8 is the flow chart of the parking guide method according to an exemplary embodiment two.
Fig. 9 is the block diagram of a kind of position guiding device according to an exemplary embodiment.
Figure 10 is the block diagram of the another kind of position guiding device according to an exemplary embodiment.
Figure 11 is the block diagram of a kind of pilot device for parking according to an exemplary embodiment.
Figure 12 is the block diagram of the another kind of pilot device for parking according to an exemplary embodiment.
Figure 13 is a kind of block diagram being applicable to position guiding device according to an exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present invention are consistent.
Fig. 1 is the scene graph of wireless transmitting device set in the parking lot according to an exemplary embodiment, as shown in Figure 1, the all Parking Stall in whole parking lot is numbered, wireless microprocessing unit (the Micro Controller Unit supporting BLE protocol stack can be selected, referred to as MCU) as wireless transmitting device, the number information of Parking Stall is stored in wireless transmitting device, wireless transmitting device is arranged on the front of Parking Stall, as shown in Figure 1, Parking Stall 111, Parking Stall 112, Parking Stall 113, Parking Stall 114, Parking Stall 115, the front of Parking Stall 116 is provided with wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, wireless transmitting device 126.Broken circle represents the wireless signal that corresponding wireless transmitting device is launched.
As shown in Figure 1, networking is carried out as node by utilizing the wireless transmitting device based on BLE technology, each wireless transmitting device is all configured to from node (Peripheral), each wireless transmitting device is by continuous overseas broadcast information simultaneously, and broadcast can comprise the identify label of each wireless transmitting device and the seizure condition information of corresponding Parking Stall.
In addition, can also arrange ultrasonic sensor (not looking in figure) in Parking Stall 111, Parking Stall 112, Parking Stall 113, Parking Stall 114, Parking Stall 115, Parking Stall 116, ultrasonic sensor is connected by sunkening cord in underground with wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, wireless transmitting device 126 respectively.When ultrasonic sensor is not blocked, ultrasonic sensor does not send interrupt message to wireless transmitting device, after when vehicle quilt, VEHICLES MUST PARK WITHIN THE MARKED BAY, ultrasonic sensor is blocked, ultrasonic sensor sends interrupt message to wireless transmitting device, the seizure condition information of the Parking Stall in broadcast message, after receiving interrupt message, changes into from the free time and taking by wireless transmitting device.
It will be appreciated by persons skilled in the art that six Parking Stalls illustrated in fig. 1 are only an exemplary illustration, the size in the number fixation pause parking lot of the Parking Stall in parking lot is determined, the number of the disclosure to Parking Stall does not limit.
Fig. 2 is the flow chart of the orientation direction method according to an exemplary embodiment, this orientation direction method can be applied on terminal equipment (such as: smart mobile phone, panel computer, onboard system), the present embodiment composition graphs 1 carries out exemplary illustration, as shown in Figure 2, this orientation direction method comprises the following steps S101-S103:
In step s 201, determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device is arranged at least one Parking Stall place.
In one embodiment, be arranged on the mode of the wireless transmitting device on Parking Stall by broadcast sends identify label and signal strength signal intensity instruction (Received Signal Strength Indication from reception to terminal equipment, referred to as RSSI) value, when terminal equipment from receive the RSSI of set point number time, cumulative mean value computation is carried out to the RSSI value of set point number, the RSSI average drawn, as the RSSI average of this wireless transmitting device.As shown in Figure 1, when user's carried terminal equipment is gone between Parking Stall 111 in parking lot and Parking Stall 112, wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, the signal strength signal intensity that wireless transmitting device 126 all sends identify label and reception by the mode of broadcast to terminal equipment indicates (Received Signal Strength Indication, referred to as RSSI) value, such as, when terminal equipment from receive the RSSI of 5 wireless transmitting devices 121 time, cumulative mean value computation is carried out to this RSSI value of 5 times, draw the RSSI average of wireless transmitting device 121.
In step S202, according to the current location information of at least one signal strength signal intensity average determination terminal equipment.
In one embodiment, can based on the current location information of RSSI localization method determination terminal equipment.
In step S203, determine that the user to terminal equipment carries out the indication information of the parking spot of vehicle according to the parking position information of the vehicle that current location information and terminal equipment have stored.
In one embodiment, when vehicle stops to Parking Stall, by wireless transmitting device, the parking position information of vehicle can be reported terminal equipment, also can manually the parking position information of vehicle be arranged on the terminal device.In one embodiment, can change user's indication according to current location information and the distance between parking position information, such as, when distance between two-value becomes large, user is described away from parking spot, now can forbid to user the indication that moves ahead, if distance therebetween diminishes, illustrate that user comes into parking spot, the indication that now can continue user, in another embodiment, can also by Orientation differences therebetween to user's indication, such as, orientation when therebetween depart from increasing time, illustrate that user is departing from the direction of parking spot, the indication of offset direction now can be forbidden to user, if orientation therebetween departs from more and more less, illustrate that user moves towards parking spot, the indication that now can continue user.
In the present embodiment, determine that the user to terminal equipment carries out the indication information of the parking spot of vehicle by the parking position information of the vehicle that the current location information of terminal equipment and terminal equipment have stored, because the RSSI value in the disclosure can change along with the change of customer location, therefore the location of user is changed along with the change of RSSI value, therefore real-time is had more to the orientation direction of user, improve positioning precision; In addition, the orientation direction process to user that the disclosure is implemented by RSSI localization method, makes contacting of wireless transmitting device and terminal equipment more tight, enables user look for the vehicle of oneself fast and accurately.
In one embodiment, determine at least one the signal strength signal intensity average from least one wireless transmitting device, can comprise:
Determine multiple signal strength values of each wireless transmitting device periodic transmission of at least one wireless transmitting device;
Cumulative mean value computation is carried out to multiple signal strength values, draws the signal strength signal intensity average of each wireless transmitting device, as the signal strength signal intensity average of each wireless transmitting device.
In one embodiment, according to the current location information of at least one signal strength signal intensity average determination terminal equipment, can comprise:
Determine the signal strength signal intensity constant that terminal equipment and any one wireless transmitting device at least one wireless transmitting device are corresponding when being spaced apart setpoint distance;
At least one distance value between at least one wireless transmitting device and terminal equipment is determined according to signal strength signal intensity constant and at least one signal strength signal intensity average;
According to the current location information of at least one distance value with each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device.
In one embodiment, determining, in the step of at least one distance value between at least one wireless transmitting device and terminal equipment, to determine at least one distance value by following equation according to signal strength signal intensity constant and at least one signal strength signal intensity average:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI irepresent that the signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device is corresponding, A represent the signal strength signal intensity constant that i-th wireless transmitting device and terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d irepresent at least one wireless transmitting device i-th distance value between wireless transmitting device and terminal equipment.
In one embodiment, in the step of the current location information according at least one distance value and each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device, the current location information by following equation determination terminal equipment:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of terminal equipment, d 1, d 2..., d mrepresent the 1st at least one wireless transmitting device, 2 ..., the distance value of m between wireless transmitting device and terminal equipment.
In one embodiment, method also can comprise:
Determine at least one the seizure condition information of at least one parking spot that at least one wireless transmitting device is corresponding;
According at least one seizure condition information, indication information is corrected.
Concrete how guiding is positioned to user, please refer to subsequent embodiment.
So far, the said method that disclosure embodiment provides, real-time is had more to the orientation direction of user, improve positioning precision, by the orientation direction process to user that RSSI localization method is implemented, make contacting of wireless transmitting device and terminal equipment more tight, enable user look for the vehicle of oneself fast and accurately.
With specific embodiment, the technical scheme that disclosure embodiment provides is described below.
Fig. 3 is the flow chart of the orientation direction method according to an exemplary embodiment one; The said method that the present embodiment utilizes disclosure embodiment to provide, how to determine the signal strength signal intensity average of each wireless transmitting device and composition graphs 1 carries out exemplary illustration, as shown in Figure 3, comprises the steps:
In step S301, determine multiple signal strength values of each wireless transmitting device periodic transmission of at least one wireless transmitting device.
In one embodiment, can pass through the RSSI value that sequential model (Shadowing Model) determines each wireless transmitting device of at least one wireless transmitting device, equation is as follows:
[ p ( d ) ] dBm = [ p ( d 0 ) ] dBm - 10 n log ( d d 0 ) + X dBm ;
Wherein, the signal strength values that when p (d) represents that distance wireless transmitting device d is, terminal equipment receives, i.e. RSSI value, p (d 0) expression range transmitter is d 0time the terminal equipment signal power that receives, d 0represent reference distance, n represents path loss index, is obtained by actual measured value.Barrier is more, and n value is larger, and the speed that the average energy received declines becomes more and more faster along with the increase of distance.X represents that the mean value in units of dBm is the Gaussian random variable of 0, represents when distance one timing, the change of the energy received.
In step s 302, cumulative mean value computation is carried out to multiple signal strength values, draw the signal strength signal intensity average of each wireless transmitting device, as the signal strength signal intensity average of each wireless transmitting device.
As shown in Figure 1, when user's carried terminal equipment is gone between Parking Stall 111 in parking lot and Parking Stall 112, wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, the signal strength signal intensity that wireless transmitting device 126 all sends identify label and reception by the mode of broadcast to terminal equipment indicates (Received Signal Strength Indication, referred to as RSSI) value, such as, when terminal equipment from receive the RSSI of 5 wireless transmitting devices 121 time, cumulative mean value computation is carried out to this RSSI value of 5 times, draw the RSSI average of wireless transmitting device 121.
In step S303, according to the current location information of at least one signal strength signal intensity average determination terminal equipment.
The description of step S303 refers to the description of above-mentioned steps S202, is not described in detail in this.
In step s 304, determine that the user to terminal equipment carries out the indication information of the parking spot of vehicle according to the parking position information of the vehicle that current location information and terminal equipment have stored.
The description of step S304 refers to the description of above-mentioned steps S203, is not described in detail in this.
The present embodiment is on the basis of Advantageous Effects with above-described embodiment; by determining the RSSI average of at least one wireless transmitting device; can avoid due to wireless transmitting device swinging of signal timing RSSI value uncertain, guarantee based on RSSI value location accuracy.
Fig. 4 is the flow chart of the orientation direction method according to an exemplary embodiment two; The said method that the present embodiment utilizes disclosure embodiment to provide, how to determine the current location information of terminal equipment and composition graphs 1 carries out exemplary illustration, as shown in Figure 4, comprises the steps:
In step S401, determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device is arranged at least one Parking Stall place.
The description of step S401 with reference to the description of above-mentioned steps S201, can be not described in detail in this.
In step S402, determine the signal strength signal intensity constant that terminal equipment and any one wireless transmitting device at least one wireless transmitting device are corresponding when being spaced apart setpoint distance.
In one embodiment, the setpoint distance between wireless transmitting device and terminal equipment is 1 meter and ignores X dBmtime, i.e. d 0=1, signal strength signal intensity constant A=[p (d 0)] dBm.
In step S403, determine at least one distance value between at least one wireless transmitting device and terminal equipment according to signal strength signal intensity constant and at least one signal strength signal intensity average.
In one embodiment, above-mentioned sequential model can be reduced to following equation:
[p(d)] dBm＝A-10nlog(d)；
Wherein, p (d) represents wireless transmitting device and the terminal equipment RSSI value that terminal equipment receives when d, by [p (d)] dBmreplace to the relational expression that RSSI obtains RSSI and d:
RSSI＝A-10nlog(d)；
Thus, the RSSI average of each wireless transmitting device received by computing terminal equipment end, can determine the distance value between terminal equipment and each wireless transmitting device.It will be appreciated by persons skilled in the art that the environment of the hardware that n with A and wireless transmitting device specifically use and transmission of wireless signals is relevant, the value that therefore n and A is concrete can carry out Range finding experiments acquisition in actual environment.
In step s 404, according to the current location information of at least one distance value with each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device.
In one embodiment, by the current location information of following equation determination terminal equipment:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of terminal equipment, d 1, d 2..., d mrepresent the 1st at least one wireless transmitting device, 2 ..., the distance value of m between wireless transmitting device and terminal equipment.
In step S405, determine that the user to terminal equipment carries out the indication information of the parking spot of vehicle according to the parking position information of the vehicle that current location information and terminal equipment have stored.
The present embodiment is on the basis of Advantageous Effects with above-described embodiment, the orientation direction process to user is realized by the position coordinates of at least one wireless transmitting device and the current location information of terminal equipment, make contacting of wireless transmitting device and terminal equipment more tight, and then enable user look for the vehicle of oneself fast and accurately.
Fig. 5 is the flow chart of the orientation direction method according to an exemplary embodiment three; The said method that the present embodiment utilizes disclosure embodiment to provide, carries out exemplary illustration how to realize being corrected to routine also composition graphs 1 to indication information, as shown in Figure 5, comprises the steps:
In step S501, determine at least one the seizure condition information from least one signal strength signal intensity average of at least one wireless transmitting device at least one parking spot corresponding with at least one wireless transmitting device, at least one wireless transmitting device is arranged at least one Parking Stall place.
In one embodiment, at least one seizure condition information that at least one wireless transmitting device is corresponding comprises Parking Stall and has taken and do not account for Parking Stall, such as, as shown in Figure 1, when user's carried terminal equipment is gone between Parking Stall 111 in parking lot and Parking Stall 112, wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, wireless transmitting device 126 all sends the seizure condition information of Parking Stall to terminal equipment by the mode of broadcast, such as, Parking Stall 111 and Parking Stall 112, wireless transmitting device 124 is vacant, wireless transmitting device 123, wireless transmitting device 125, wireless transmitting device 126 takies.
In step S502, according to the current location information of at least one signal strength signal intensity average determination terminal equipment.
The description of step S502 with reference to the description of above-mentioned steps S202, can be not described in detail in this.
In step S503, determine that the user to terminal equipment carries out the indication information of the parking spot of vehicle according to the parking position information of the vehicle that current location information and terminal equipment have stored.
The description of step S503 with reference to the description of above-mentioned steps S203, can be not described in detail in this.
In step S504, according at least one seizure condition information, indication information is corrected.
Such as, when indication information guidance user is to the Parking Stall 114 of wireless transmitting device 124 correspondence, because wireless transmitting device 124 sends to the seizure condition information of terminal equipment to represent that Parking Stall is vacant, and user needs to look for the Parking Stall taken just can find the vehicle of oneself, in this case, can correct indication information, again indication be positioned to the user of terminal equipment.
The present embodiment, on the basis of Advantageous Effects with above-described embodiment, is corrected indication information in time by seizure condition information, guarantees to accomplish orientation direction accurately to user.
Fig. 6 is the flow chart of the parking guide method according to an exemplary embodiment, this parking guide method can be applied on terminal equipment (such as: smart mobile phone, panel computer, onboard system), the present embodiment composition graphs 1 carries out exemplary illustration, as shown in Figure 6, this parking guide method comprises the following steps S601-S603:
In step s 601, determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device is arranged at least one Parking Stall place.
In one embodiment, at least one seizure condition information that at least one wireless transmitting device is corresponding comprises Parking Stall and has taken and do not account for Parking Stall, such as, as shown in Figure 1, when user's carried terminal equipment is gone between Parking Stall 111 in parking lot and Parking Stall 112, wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, wireless transmitting device 126 all sends the seizure condition information of Parking Stall to terminal equipment by the mode of broadcast, such as, Parking Stall 111 and Parking Stall 112, wireless transmitting device 124 is vacant, wireless transmitting device 123, wireless transmitting device 125, wireless transmitting device 126 takies.The implementation of at least one signal strength signal intensity average with reference to above-described embodiment, can be not described in detail in this.
In step S602, according to the current location information of at least one signal strength signal intensity average determination terminal equipment.
The description of step S602 with reference to the description of above-mentioned steps S202, can be not described in detail in this.
In step S603, determine according to current location information and at least one seizure condition information the indication information that the needs carrying out vehicle to the user of terminal equipment stop.
In one embodiment, can determine to be the unappropriated Parking Stall of Parking Stall at least one seizure condition information, and then the distance value determining between unappropriated Parking Stall and the current location information of terminal equipment, make the unappropriated Parking Stall of applicable user.
As in an exemplary scenario, as shown in Figure 1, user drives to enter parking lot, wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, wireless transmitting device 126 all sends the seizure condition information of Parking Stall to terminal equipment by the mode of broadcast, such as, Parking Stall 111, Parking Stall 112, wireless transmitting device 124 is vacant, wireless transmitting device 123, wireless transmitting device 125, wireless transmitting device 126 takies, now can determine Parking Stall 111, Parking Stall 112, the distance value of wireless transmitting device 124 between terminal equipment, make the indication information of the unappropriated Parking Stall of applicable user.
In the present embodiment, the indication information that the needs carrying out vehicle to the user of terminal equipment stop is determined according to current location information and at least one seizure condition information, because the RSSI average in the disclosure can change along with the change of customer location, therefore the location of user is changed along with the change of RSSI average, and then real-time is had more to the indication information of user, the unappropriated Parking Stall enabling user look for oneself suitable fast and accurately, facilitates user to stop.
In one embodiment, according to the current location information of at least one signal strength signal intensity average determination terminal equipment, can comprise:
Determine the signal strength signal intensity constant that terminal equipment and any one wireless transmitting device at least one wireless transmitting device are corresponding when being spaced apart setpoint distance;
At least one distance value between at least one wireless transmitting device and terminal equipment is determined according to signal strength signal intensity constant and at least one signal strength signal intensity average;
According to the current location information of at least one distance value with each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device.
In one embodiment, determining, in the step of at least one distance value between at least one wireless transmitting device and terminal equipment, to determine at least one distance value by following equation according to signal strength signal intensity constant and at least one signal strength signal intensity average:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI irepresent that the signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device is corresponding, A represent the signal strength signal intensity constant that i-th wireless transmitting device and terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d irepresent at least one wireless transmitting device i-th distance value between wireless transmitting device and terminal equipment.
In one embodiment, in the step of the current location information according at least one distance value and each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device, the current location information by following equation determination terminal equipment:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of terminal equipment, d 1, d 2..., d mrepresent the 1st at least one wireless transmitting device, 2 ..., the distance value of m between wireless transmitting device and terminal equipment.
In one embodiment, determine to comprise the indication information that the needs carrying out vehicle to the user of terminal equipment stop according to current location information and at least one seizure condition information:
Determine to represent the unappropriated state information of Parking Stall at least one seizure condition information;
The unappropriated Parking Stall that distance vehicle is nearest is determined according to current location information and the unappropriated state information of Parking Stall;
The unappropriated Parking Stall nearest according to vehicle determines the indication information of stopping to the user of terminal equipment.
The concrete stopping guide that how to realize, please refer to subsequent embodiment.
So far, the said method that disclosure embodiment provides, has more real-time to the indication information of user, enables user find oneself unappropriated Parking Stall suitable fast and accurately, facilitates user to stop.
With specific embodiment, the technical scheme that disclosure embodiment provides is described below.
Fig. 7 is the flow chart of the parking guide method according to an exemplary embodiment one; The said method that the present embodiment utilizes disclosure embodiment to provide, how to determine the current location information of terminal equipment and composition graphs 1 carries out exemplary illustration, as shown in Figure 7, comprises the steps:
In step s 701, determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device is arranged at least one Parking Stall place.
The description of step S701 specifically see the description of above-mentioned steps S601, can be not described in detail in this.
In step S702, determine the signal strength signal intensity constant that terminal equipment and any one wireless transmitting device at least one wireless transmitting device are corresponding when being spaced apart setpoint distance.
The description of step S702 specifically see the description of above-mentioned steps S601, can be not described in detail in this.
In step S703, determine at least one distance value between at least one wireless transmitting device and terminal equipment according to signal strength signal intensity constant and at least one signal strength signal intensity average.
The description of step S703 specifically see the description of above-mentioned steps S402, can be not described in detail in this.
In step S704, according to the current location information of at least one distance value with each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device.
The description of step S704 specifically see the description of above-mentioned steps S403, can be not described in detail in this.
In step S705, determine according to current location information and at least one seizure condition information the indication information that the needs carrying out vehicle to the user of terminal equipment stop.
The description of step S705 specifically see the description of above-mentioned steps S603, can be not described in detail in this.
The present embodiment is on the basis of Advantageous Effects with above-described embodiment, the orientation direction process to user is realized by the position coordinates of at least one wireless transmitting device and the current location information of terminal equipment, make contacting of wireless transmitting device and terminal equipment more tight, and then user is found fast and accurately from the nearest Parking Stall in oneself position.
Fig. 8 is the flow chart of the parking guide method according to an exemplary embodiment two; The said method that the present embodiment utilizes disclosure embodiment to provide, carries out exemplary illustration how to realize being corrected to routine also composition graphs 1 to indication information, as shown in Figure 8, comprises the steps:
In step S801, determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device is arranged at least one Parking Stall place.
The description of step S801 specifically see the description of above-mentioned steps S601, can be not described in detail in this.
In step S802, according to the current location information of at least one signal strength signal intensity average determination terminal equipment.
The description of step S802 specifically see the description of above-mentioned steps S202, can be not described in detail in this.
In step S803, determine to represent the unappropriated state information of Parking Stall at least one seizure condition information.
In one embodiment, terminal equipment can be resolved at least one seizure condition information, determines the wireless transmitting device for free state at least one seizure condition information.
In step S804, determine according to current location information and the unappropriated state information of Parking Stall the unappropriated Parking Stall that distance vehicle is nearest.
In step S805, the unappropriated Parking Stall nearest according to vehicle determines the indication information of stopping to the user of terminal equipment.
As in an exemplary scenario, as shown in Figure 1, user drives to enter parking lot, wireless transmitting device 121, wireless transmitting device 122, wireless transmitting device 123, wireless transmitting device 124, wireless transmitting device 125, wireless transmitting device 126 all sends the seizure condition information of Parking Stall to terminal equipment by the mode of broadcast, such as, Parking Stall 111, Parking Stall 112, wireless transmitting device 124 is vacant, wireless transmitting device 123, wireless transmitting device 125, wireless transmitting device 126 takies, now can determine Parking Stall 111, Parking Stall 112, the distance value of wireless transmitting device 124 between terminal equipment, make the indication information to the nearest unappropriated Parking Stall of the current location information of distance users.
The present embodiment is on the basis of Advantageous Effects with above-described embodiment, the indication information that the needs carrying out vehicle to the user of terminal equipment stop is determined according to current location information and at least one seizure condition information, because the RSSI average in the disclosure can change along with the change of customer location, therefore the location of user is changed along with the change of RSSI average, and then real-time is had more to the indication information of user, enable user look for oneself from the nearest unappropriated Parking Stall of vehicle fast and accurately, facilitate user to stop.
Fig. 9 is the block diagram of a kind of position guiding device according to an exemplary embodiment, and as shown in Figure 9, position guiding device comprises:
First determination module 91, be configured to determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device is arranged at least one Parking Stall place;
Second determination module 92, is configured to the current location information of at least one the signal strength signal intensity average determination terminal equipment determined according to the first determination module 91;
3rd determination module 93, the parking position information being configured to the vehicle that the current location information determined according to the second determination module 92 and terminal equipment have stored determines that the user to terminal equipment carries out the indication information of the parking spot of vehicle.
Figure 10 is the block diagram of the another kind of position guiding device according to an exemplary embodiment, and as shown in Figure 10, on above-mentioned basis embodiment illustrated in fig. 9, in one embodiment, the first determination module 91 can comprise:
First determines submodule 911, is configured to multiple signal strength values of each the wireless transmitting device periodic transmission determining at least one wireless transmitting device;
First calculating sub module 912, is configured to determine that multiple signal strength values that submodule 911 is determined carry out cumulative mean value computation to first, draws the signal strength signal intensity average of each wireless transmitting device, as the signal strength signal intensity average of each wireless transmitting device.
In one embodiment, the second determination module 92 can comprise:
Second determines submodule 921, is configured to determine the signal strength signal intensity constant that terminal equipment and any one wireless transmitting device at least one wireless transmitting device are corresponding when being spaced apart setpoint distance;
3rd determines submodule 922, is configured to determine that the signal strength signal intensity constant that submodule 921 is determined and at least one signal strength signal intensity average determine at least one distance value between at least one wireless transmitting device and terminal equipment according to second;
4th determines submodule 923, is configured to the current location information determining at least one distance value that submodule 922 is determined and each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device according to the 3rd.
In one embodiment, the 3rd determines that submodule 922 determines at least one distance value by following equation:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI irepresent that the signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device is corresponding, A represent the signal strength signal intensity constant that i-th wireless transmitting device and terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d irepresent at least one wireless transmitting device i-th distance value between wireless transmitting device and terminal equipment.
In one embodiment, the 4th determines the current location information of submodule 923 by following equation determination terminal equipment:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device ..., the distance value of m between wireless transmitting device and terminal equipment.
In one embodiment, device also can comprise:
4th determination module 94, is configured at least one the seizure condition information determining at least one parking spot that at least one wireless transmitting device is corresponding;
Correction module 95, at least one the seizure condition information being configured to determine according to the 4th determination module 94 corrects the indication information that the 3rd determination module 93 is determined.
Figure 11 is the block diagram of a kind of pilot device for parking according to an exemplary embodiment, and as shown in figure 11, position guiding device comprises:
5th determination module 21, be configured to determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device is arranged at least one Parking Stall place;
6th determination module 22, is configured to the current location information of at least one the signal strength signal intensity average determination terminal equipment determined according to the 5th determination module 21;
7th determination module 23, the current location information being configured to determine according to the 6th determination module 22 determines with at least one seizure condition information the indication information that the needs carrying out vehicle to the user of terminal equipment stop.
Figure 12 is the block diagram of the another kind of pilot device for parking according to an exemplary embodiment, and on above-mentioned basis embodiment illustrated in fig. 11, in one embodiment, the 6th determination module 22 can comprise:
5th determines submodule 221, is configured to determine the signal strength signal intensity constant that terminal equipment and any one wireless transmitting device at least one wireless transmitting device are corresponding when being spaced apart setpoint distance;
6th determines submodule 222, is configured to determine that Sohu of the Soviet Union signal strength signal intensity constant that submodule 221 is determined and at least one signal strength signal intensity average that the 5th determination module 21 is determined determine at least one distance value between at least one wireless transmitting device and terminal equipment according to the 5th;
7th determines submodule 223, is configured to the current location information determining at least one distance value that submodule 222 is determined and each self-corresponding position coordinates determination terminal equipment of at least one wireless transmitting device according to the 6th.
In one embodiment, the 6th determines that submodule 222 determines at least one distance value by following equation:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI irepresent that the signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device is corresponding, A represent the signal strength signal intensity constant that i-th wireless transmitting device and terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d irepresent at least one wireless transmitting device i-th distance value between wireless transmitting device and terminal equipment.
In one embodiment, the 7th determines the current location information of submodule 223 by following equation determination terminal equipment:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 . . . . . . ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device ..., the distance value of m between wireless transmitting device and terminal equipment.
In one embodiment, the 7th determination module 23 can comprise:
8th determines submodule 231, is configured to represent the unappropriated state information of Parking Stall at least one the seizure condition information determining that the 5th determination module is determined;
9th determines submodule 232, and the current location information and the 8th being configured to determine according to the 6th determination module 22 determines that the unappropriated state information of Parking Stall that submodule 231 is determined determines the unappropriated Parking Stall that distance vehicle is nearest;
Tenth determines submodule 233, is configured to determine that the nearest unappropriated Parking Stall of vehicle that submodule 232 is determined determines the indication information of stopping to the user of terminal equipment according to the 9th.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Figure 13 is a kind of block diagram being applicable to position guiding device according to an exemplary embodiment.Such as, device 1300 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Figure 13, device 1300 can comprise following one or more assembly: processing components 1302, memory 1304, power supply module 1306, multimedia groupware 1308, audio-frequency assembly 1313, the interface 1312 of I/O (I/O), sensor cluster 1314, and communications component 1316.
The integrated operation of the usual control device 1300 of processing components 1302, such as with display, call, data communication, camera operation and record operate the operation be associated.Treatment element 1302 can comprise one or more processor 1320 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 1302 can comprise one or more module, and what be convenient between processing components 1302 and other assemblies is mutual.Such as, processing unit 1302 can comprise multi-media module, mutual with what facilitate between multimedia groupware 1308 and processing components 1302.
Memory 1304 is configured to store various types of data to be supported in the operation of equipment 1300.The example of these data comprises for any application program of operation on device 1300 or the instruction of method, contact data, telephone book data, message, picture, video etc.Memory 1304 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
The various assemblies that electric power assembly 1306 is device 1300 provide electric power.Electric power assembly 1306 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for device 1300 and be associated.
Multimedia groupware 1308 is included in the screen providing an output interface between described device 1300 and user.In certain embodiments, screen can comprise liquid crystal display (LCD) and touch panel (TP).If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user.Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 1308 comprises a front-facing camera and/or post-positioned pick-up head.When equipment 1300 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 1313 is configured to export and/or input audio signal.Such as, audio-frequency assembly 1313 comprises a microphone (MIC), and when device 1300 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal received can be stored in memory 1304 further or be sent via communications component 1316.In certain embodiments, audio-frequency assembly 1313 also comprises a loud speaker, for output audio signal.
I/O interface 1312 is for providing interface between processing components 1302 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor cluster 1314 comprises one or more transducer, for providing the state estimation of various aspects for device 1300.Such as, sensor cluster 1314 can detect the opening/closing state of equipment 1300, the relative positioning of assembly, such as described assembly is display and the keypad of device 1300, the position of all right checkout gear 1300 of sensor cluster 1314 or device 1300 assemblies changes, the presence or absence that user contacts with device 1300, the variations in temperature of device 1300 orientation or acceleration/deceleration and device 1300.Sensor cluster 1314 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor cluster 1314 can also comprise optical sensor, as CMOS or ccd image sensor, for using in imaging applications.In certain embodiments, this sensor cluster 1314 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communications component 1316 is configured to the communication being convenient to wired or wireless mode between device 1300 and other equipment.Device 1300 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communication component 1316 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communication component 1316 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 1300 can be realized, for performing said method by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the memory 1304 of instruction, above-mentioned instruction can perform said method by the processor 1320 of device 1300.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
Those skilled in the art, at consideration specification and after putting into practice disclosed herein disclosing, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.

Claims (24)

1. an orientation direction method, on the terminal device, it is characterized in that, described method comprises in application:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
Determine that the user to described terminal equipment carries out the indication information of the parking spot of described vehicle according to the parking position information of the vehicle that described current location information and described terminal equipment have stored.
2. method according to claim 1, is characterized in that, described at least one signal strength signal intensity average determined from least one wireless transmitting device, comprising:
Determine multiple signal strength values of each wireless transmitting device periodic transmission of at least one wireless transmitting device;
Cumulative mean value computation is carried out to described multiple signal strength values, draws the signal strength signal intensity average of each wireless transmitting device described, as the signal strength signal intensity average of each wireless transmitting device described.
3. method according to claim 1, is characterized in that, described in described basis, at least one signal strength signal intensity average determines the current location information of described terminal equipment, comprising:
Determine described terminal equipment and at least one wireless transmitting device described appoint any one wireless transmitting device to be spaced apart setpoint distance time corresponding signal strength signal intensity constant;
Described at least one distance value between at least one wireless transmitting device and described terminal equipment is determined according to described signal strength signal intensity constant and at least one signal strength signal intensity average described;
The current location information of described terminal equipment is determined according at least one distance value described and each self-corresponding position coordinates of at least one wireless transmitting device described.
4. method according to claim 3, it is characterized in that, determine according to described signal strength signal intensity constant and at least one signal strength signal intensity average described, in the step of described at least one distance value between at least one wireless transmitting device and described terminal equipment, to determine at least one distance value described by following equation described:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
5. method according to claim 3, it is characterized in that, determine, in the step of the current location information of described terminal equipment, to be determined the current location information of described terminal equipment by following equation at least one distance value described in described basis and each self-corresponding position coordinates of at least one wireless transmitting device described:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 · · · · · · ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the at least one wireless transmitting device described the 1st, 2 ..., distance value between a m wireless transmitting device and described terminal equipment.
6. method according to claim 1, is characterized in that, described method also comprises:
Determine at least one the seizure condition information of at least one parking spot that at least one wireless transmitting device described is corresponding;
According at least one seizure condition information described, described indication information is corrected.
7. a parking guide method, on the terminal device, it is characterized in that, described method comprises in application:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
The indication information that the needs carrying out described vehicle to the user of described terminal equipment stop is determined according to described current location information and at least one seizure condition information described.
8. method according to claim 7, is characterized in that, described in described basis, at least one signal strength signal intensity average determines the current location information of described terminal equipment, comprising:
Determine the signal strength signal intensity constant that described terminal equipment and any one wireless transmitting device at least one wireless transmitting device described are corresponding when being spaced apart setpoint distance;
Described at least one distance value between at least one wireless transmitting device and described terminal equipment is determined according to described signal strength signal intensity constant and at least one signal strength signal intensity average described;
The current location information of described terminal equipment is determined according at least one distance value described and each self-corresponding position coordinates of at least one wireless transmitting device described.
9. method according to claim 8, it is characterized in that, determine according to described signal strength signal intensity constant and at least one signal strength signal intensity average described, in the step of described at least one distance value between at least one wireless transmitting device and described terminal equipment, to determine at least one distance value described by following equation described:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
10. method according to claim 8, it is characterized in that, determine, in the step of the current location information of described terminal equipment, to be determined the current location information of described terminal equipment by following equation at least one distance value described in described basis and each self-corresponding position coordinates of at least one wireless transmitting device described:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 · · · · · · ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the at least one wireless transmitting device described the 1st, 2 ..., distance value between a m wireless transmitting device and described terminal equipment.
11. methods according to claim 7, is characterized in that, the described indication information determining the needs parking user of described terminal equipment being carried out to described vehicle according to described current location information and at least one seizure condition information described, comprising:
Determine to represent the unappropriated state information of Parking Stall at least one seizure condition information described;
The unappropriated Parking Stall nearest apart from described vehicle is determined according to described current location information and the unappropriated state information of described Parking Stall;
The unappropriated Parking Stall nearest according to described vehicle determines the indication information of stopping to the user of described terminal equipment.
12. 1 kinds of position guiding devices, is characterized in that, on the terminal device, described device comprises in application:
First determination module, be configured to determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device described is arranged at least one Parking Stall place;
Second determination module, is configured to the current location information that at least one signal strength signal intensity average described in determining according to described first determination module determines described terminal equipment;
3rd determination module, the parking position information being configured to the vehicle that the described current location information determined according to described second determination module and described terminal equipment have stored determines that the user to described terminal equipment carries out the indication information of the parking spot of described vehicle.
13. devices according to claim 12, is characterized in that, described first determination module comprises:
First determines submodule, is configured to multiple signal strength values of each the wireless transmitting device periodic transmission determining at least one wireless transmitting device;
First calculating sub module, be configured to determine that described multiple signal strength values that submodule is determined carries out cumulative mean value computation to described first, draw the signal strength signal intensity average of each wireless transmitting device described, as the signal strength signal intensity average of each wireless transmitting device described.
14. devices according to claim 12, is characterized in that, described second determination module comprises:
Second determines submodule, is configured to determine the signal strength signal intensity constant that described terminal equipment and any one wireless transmitting device at least one wireless transmitting device described are corresponding when being spaced apart setpoint distance;
3rd determines submodule, is configured to determine that the described signal strength signal intensity constant that submodule is determined and at least one signal strength signal intensity average described determine described at least one distance value between at least one wireless transmitting device and described terminal equipment according to described second;
4th determines submodule, be configured to according to the described 3rd determine submodule determine described at least one distance value and each self-corresponding position coordinates of at least one wireless transmitting device described determine the current location information of described terminal equipment.
15. devices according to claim 14, is characterized in that, the described 3rd determines that submodule determines at least one distance value described by following equation:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
16. devices according to claim 14, is characterized in that, the described 4th determines that submodule determines the current location information of described terminal equipment by following equation:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 · · · · · · ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device described ..., distance value between a m wireless transmitting device and described terminal equipment.
17. devices according to claim 12, is characterized in that, described device also comprises:
4th determination module, is configured at least one the seizure condition information determining at least one parking spot that at least one wireless transmitting device described is corresponding;
Correction module, described in being configured to determine according to described 4th determination module, at least one seizure condition information corrects the described indication information that described 3rd determination module is determined.
18. 1 kinds of pilot device for parking, on the terminal device, it is characterized in that, described device comprises in application:
5th determination module, be configured to determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device described is arranged at least one Parking Stall place;
6th determination module, is configured to the current location information that at least one signal strength signal intensity average described in determining according to described 5th determination module determines described terminal equipment;
7th determination module, is configured to the described current location information determined according to described 6th determination module and at least one seizure condition information described determines the indication information that the needs carrying out described vehicle to the user of described terminal equipment stop.
19. devices according to claim 18, is characterized in that, described 6th determination module comprises:
5th determines submodule, is configured to determine the signal strength signal intensity constant that described terminal equipment and any one wireless transmitting device at least one wireless transmitting device described are corresponding when being spaced apart setpoint distance;
6th determines submodule, be configured to according to the described 5th determine Sohu of the Soviet Union signal strength signal intensity constant that submodule is determined and described 5th determination module determine described at least one signal strength signal intensity average determine described at least one distance value between at least one wireless transmitting device and described terminal equipment;
7th determines submodule, be configured to according to the described 6th determine submodule determine described at least one distance value and each self-corresponding position coordinates of at least one wireless transmitting device described determine the current location information of described terminal equipment.
20. devices according to claim 19, is characterized in that, the described 6th determines that submodule determines at least one distance value described by following equation:
RSSI i＝A-10nlog(d i)；
Wherein, RSSI ithe signal strength signal intensity average that i-th wireless transmitting device at least one wireless transmitting device described in representing is corresponding, A represents the signal strength signal intensity constant that described i-th wireless transmitting device and described terminal equipment are corresponding when being spaced apart setpoint distance, n represents path attenuation index, d ii-th wireless transmitting device at least one wireless transmitting device described in representing and the distance value between described terminal equipment.
21. devices according to claim 19, is characterized in that, the described 7th determines that submodule determines the current location information of described terminal equipment by following equation:
( x 1 - x ) 2 + ( y 1 - y ) 2 = d 1 2 ( x 2 - x ) 2 + ( y 2 - y ) 2 = d 2 2 · · · · · · ( x m - x ) 2 + ( y m - y ) 2 = d m 2 ;
Wherein, (x 1, y 1), (x 2, y 2) ..., (x m, y m) representing the position coordinates of each wireless transmitting device at least one wireless transmitting device described, m represents the number of at least one wireless transmitting device, and (x, y) represents the current location of described terminal equipment, d 1, d 2..., d mrepresent the 1st, 2 at least one wireless transmitting device described ..., distance value between a m wireless transmitting device and described terminal equipment.
22. devices according to claim 18, is characterized in that, described 7th determination module comprises:
8th determines submodule, is configured to represent the unappropriated state information of Parking Stall at least one the seizure condition information described determining that described 5th determination module is determined;
9th determines submodule, and the described current location information and the described 8th being configured to determine according to described 6th determination module determines that the unappropriated state information of described Parking Stall that submodule is determined determines the unappropriated Parking Stall nearest apart from described vehicle;
Tenth determines submodule, is configured to determine that the nearest unappropriated Parking Stall of described vehicle that submodule is determined determines the indication information of stopping to the user of described terminal equipment according to the described 9th.
23. 1 kinds of position guiding devices, is characterized in that, described device comprises:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
Determine that the user to described terminal equipment carries out the indication information of the parking spot of described vehicle according to the parking position information of the vehicle that described current location information and described terminal equipment have stored.
24. 1 kinds of pilot device for parking, is characterized in that, described device comprises:
Processor;
For the memory of storage of processor executable instruction;
Wherein, described processor is configured to:
Determine at least one the signal strength signal intensity average from least one wireless transmitting device and at least one seizure condition information, at least one wireless transmitting device described is arranged at least one Parking Stall place;
The current location information of described terminal equipment is determined according at least one signal strength signal intensity average described;
The indication information that the needs carrying out described vehicle to the user of described terminal equipment stop is determined according to described current location information and at least one seizure condition information described.
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