CN101676740B - Positioning information update method and system - Google Patents
Positioning information update method and system Download PDFInfo
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- CN101676740B CN101676740B CN200810165658.2A CN200810165658A CN101676740B CN 101676740 B CN101676740 B CN 101676740B CN 200810165658 A CN200810165658 A CN 200810165658A CN 101676740 B CN101676740 B CN 101676740B
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Abstract
The invention relates to a positioning information update method and system and used computer program product. Firstly, signal strength value of a plurality of signal sources at the periphery of a radio communication device and identification information are detected; wherein the signal sources includes at least one known signal source and at least one unknown signal source. Then positioning position table is searched to find positioning information corresponding to the identification information of each known signal source. And then the positioning information of the unknown signal source is calculated according to the signal strength value and positioning information of the known signal source and the signal strength value of the unknown signal source. And finally the identification information of the unknown signal source is record in the positioning position table. Thus, accuracy of the positioning information and completeness of the positioning position table can be improved, and cost for updating positioning information can be reduced.
Description
Technical field
The present invention relates to a kind of localization method and system, and be particularly related to a kind of update method, system of locating information and the computer program using.
Background technology
Current locating device (or guider) on the market mostly adopts the technology of GPS (GlobalPosition System, GPS).And GPS is the technology with radio communication in conjunction with satellite science and technology, can provide user location, speed and temporal information more accurately.And along with the progress of satellite science and technology, it is upper that GPS has been developed in general life application gradually by early stage military use, wherein modal is exactly for object location with navigate.
The location of GPS and navigation need be dependent on cooperatively interacting between satellite, locating device and navigation software and just be able to smooth running.But; locating device often can be because of the covering of buildings, and do not receive the situation of the positioning signal that satellite sends, for example, in the places such as airport, building, tube or tunnel; very likely can be because of not receiving satellite-signal, and cannot correctly carry out the action of location.Therefore, in the time that user need to use locating device, just must go to the position that outdoor grade can receive satellite-signal and can carry out location action, this kind of mode is quite inconvenient concerning user.
For this shortcoming, recently develop a kind of wireless compatible certification positioning system (Wi-FiPositioning System, WPS), it utilizes wireless compatible certification (Wirelessfidelity in metropolitan area, Wi-Fi) the feature that focus (Hotspot) distribution density is high, signal cover is large, the radio signal of sending by wireless router, the position of all focuses in looking in the neighbourhood, and select the position of the focus that signal is the strongest as the locating information of Wi-Fi device.
Above-mentioned wireless compatible certification positioning system need first record the database of the locating information of all focuses by one of construction in location database (Location Server), provide according to this user in the time using Wi-Fi device to position, received signal strength indicator (the Received Signal Strength Indication of the focus that can search according to it, RSSI) value, Query Database is to select the most close user's hotspot location to be used as the locating information of user position.
Also develop in recent years the technology that one utilizes radio communication base station (Cell Tower) signal to position, this technology is detected the signal intensity of multiple base stations arround it by mobile phone, extrapolate according to this approximate distance between mobile phone and each base station, also utilize the identification code of each base station to find out the physical location of base station, thereby estimate the locating information of mobile phone itself simultaneously.This kind of technology can directly utilize the wireless communication module of mobile phone itself to position, and effectively reduces manufacturing cost and reduce power consumption,
But the focus existing in each area and base station not only number are numerous, and the situations such as focus and base station be newly-increased or mobile all can occur at any time, this will make the locating information in location database become at any time, and relatedly cause possible location mistake.Therefore, the status information how can effectively collect each regional focus and base station location, and locating information in timely replacement location database, become the large problem of one in this art.
Summary of the invention
In view of this, the invention provides a kind of update method of locating information, by the locating information of known signal source, ask for the locating information in unknown signaling source, to safeguard and to upgrade the locating information in a position location form.
The invention provides a kind of renewal system of locating information, compare by signal strength values, locating information and the identifying information of the known signal source that detects according to a radio communication device and existing position location form, to calculate and to record the locating information in unknown signaling source, to safeguard and to upgrade the locating information in a position location form.
The invention provides a kind of radio communication device, compare by signal strength values, locating information and the identifying information of the known signal source that detects according to this radio communication device and existing position location form, to calculate and to record the locating information in unknown signaling source, to safeguard and to upgrade the locating information in a position location form.
The invention provides a kind of computer program, in order to be written into computing machine to safeguard and to upgrade the locating information in a position location form.
For reaching above-mentioned or other objects, the present invention proposes a kind of update method of locating information, first it comprise the following steps:, detect radio communication device multiple signal sources around, and obtain signal strength values and the identifying information of each signal source, wherein these signal sources comprise at least one known signal source and at least one unknown signaling source.Then, inquiry position location form, to find out the corresponding locating information of identifying information of each known signal source, wherein said position location form comprises the identifying information and the locating information that record each known signal source.Then, according to the signal strength values of these known signal source and locating information, and the signal strength values in unknown signaling source, calculate the locating information in this unknown signaling source.Last the identifying information in calculated unknown signaling source and the locating information calculated are recorded in to position location form.
In one embodiment of this invention, above-mentioned according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate that the step of the locating information in unknown signaling source comprises that the locating information of selecting the known signal source that signal strength values is the most close with unknown signaling source is as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate that the step of the locating information in unknown signaling source comprises that the locating information of selecting the known signal source that signal strength values is the strongest is as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises at least two known signal source and at least one unknown signaling source; And it is above-mentioned according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate that the step of the locating information in unknown signaling source comprises according to the locating information of above-mentioned at least two known signal source to calculate the central point of known signal source as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises two known signal source and at least one unknown signaling source; And it is above-mentioned according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate that the step of the locating information in unknown signaling source comprises according to the locating information of above-mentioned two known signal source to calculate the central point of known signal source as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises at least four known signal source and at least one unknown signaling source; And it is above-mentioned according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate that the step of the locating information in unknown signaling source comprises the locating information with calculation unknown signaling source according to the locating information of above-mentioned at least four known signal source.
In one embodiment of this invention, above-mentioned position location form comprises and is stored in a location database, and described inquiry position location form, comprise by a wireless transmission method identifying information of these signal sources is sent to location database to find out the step of the corresponding locating information of identifying information of each known signal source, and by position location form described in position data library inquiry, to find out the corresponding locating information of identifying information of each known signal source.
In one embodiment of this invention, the identifying information in above-mentioned unknown signaling source is recorded in the locating information of calculating the position location form that location database is stored.
In one embodiment of this invention, above-mentioned location database is a remote location database.
In one embodiment of this invention, above-mentioned location database is the location database in a radio communication device.
In one embodiment of this invention, above-mentioned location database is the combination of the location database in a remote location database and a radio communication device.
The present invention proposes a kind of renewal system of locating information, and it comprises at least one radio communication device and a location database.Wherein, described radio communication device is in order to detect its multiple signal sources around, and obtains signal strength values and the identifying information of these signal sources, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source.Location database is in order to store and to upgrade a position location form, and this position location form comprises the identifying information and the locating information that record each known signal source.Wherein, in the time that location database receives the signal strength values of the signal source that radio communication device exports and identifying information, inquire about position location form, to find out the corresponding locating information of identifying information of each known signal source, and according to the signal strength values of these known signal source and locating information, and the signal strength values in unknown signaling source, calculate the locating information in unknown signaling source, and record the identifying information in this unknown signaling source and the locating information calculated in position location form.
In one embodiment of this invention, above-mentioned location database comprises wireless transmission unit, storage unit, query unit and arithmetic element.Wherein, wireless transmission unit is in order to by wireless transmission method, receives signal strength values and the identifying information of the signal source that radio communication device exports; Storage unit is in order to store location position form; Query unit is in order to signal strength values and the identifying information of the signal source that receives according to wireless transmission unit, and inquiry position location form, to find out the corresponding locating information of identifying information of each known signal source; Arithmetic element is in order to according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate the locating information in unknown signaling source, and record the identifying information in unknown signaling source and the locating information calculated in position location form.
In one embodiment of this invention, above-mentioned arithmetic element comprises that the locating information of selecting the known signal source that signal strength values is the most close with unknown signaling source is as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned arithmetic element comprises that the locating information of selecting the known signal source that signal strength values is the strongest is as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises at least two known signal source and at least one unknown signaling source; Above-mentioned arithmetic element comprises according to the locating information of above-mentioned at least two known signal source to calculate the central point of known signal source as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises two known signal source and at least one unknown signaling source; Above-mentioned arithmetic element comprises according to the locating information of above-mentioned two known signal source to calculate the central point of known signal source as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises at least four known signal source and at least one unknown signaling source; Above-mentioned arithmetic element comprises the locating information with calculation unknown signaling source according to the locating information of above-mentioned at least four known signal source.
In one embodiment of this invention, above-mentioned radio communication device also comprises GPS, and it is in order to radio communication device is positioned, to obtain the location computing information of radio communication device.
In one embodiment of this invention, above-mentioned wireless transmission method comprise global system for mobile communications, personal handhold telephone system and code division multiple access system, bluetooth and wireless compatible certification one of them.
In one embodiment of this invention, above-mentioned wireless transmission method comprises global mobile communication (Global System for Mobile Communication, GSM) system, personal handhold telephone system (Personal Handy-phone System, and CDMA (Code DivisionMultiple Access PHS), CDMA) system, bluetooth (Bluetooth) and wireless compatible certification (Wirelessfidelity, Wi-Fi) one of them.
In one embodiment of this invention, above-mentioned signal source comprise the focus (Hotspot) of wireless compatible certification and base station one of them, above-mentioned identifying information comprise the Media Access Control address (Media Access Control Address, MAC Address) of focus and the identification code of base station one of them.
In one embodiment of this invention, above-mentioned signal strength values comprises received signal strength indicator (Received Signal Strength Indication, RSSI) value.
In one embodiment of this invention, above-mentioned radio communication device comprise mobile phone, personal digital assistant and mobile computer one of them.
The present invention proposes a kind of radio communication device, and it comprises a wireless communication unit and a location database.Wherein, described wireless communication unit is in order to detect its multiple signal sources around, and obtains signal strength values and the identifying information of these signal sources, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source.Location database is in order to store and to upgrade a position location form, and this position location form comprises the identifying information and the locating information that record each known signal source.Wherein, in the time that location database receives the signal strength values of the signal source that wireless communication unit exports and identifying information, inquire about position location form, to find out the corresponding locating information of identifying information of each known signal source, and according to the signal strength values of these known signal source and locating information, and the signal strength values in unknown signaling source, calculate the locating information in unknown signaling source, and record the identifying information in this unknown signaling source and the locating information calculated in position location form.
In one embodiment of this invention, above-mentioned location database comprises storage unit, query unit and arithmetic element.Wherein, storage unit is in order to store location position form; Query unit is in order to signal strength values and the identifying information of the signal source that receives according to wireless transmission unit, and inquiry position location form, to find out the corresponding locating information of identifying information of each known signal source; Arithmetic element is in order to according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate the locating information in unknown signaling source, and record the identifying information in unknown signaling source and the locating information calculated in position location form.
In one embodiment of this invention, above-mentioned arithmetic element comprises that the locating information of selecting the known signal source that signal strength values is the most close with unknown signaling source is as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned arithmetic element comprises that the locating information of selecting the known signal source that signal strength values is the strongest is as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises at least two known signal source and at least one unknown signaling source; And above-mentioned arithmetic element comprises according to the locating information of above-mentioned at least two known signal source to calculate the central point of known signal source as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises two known signal source and at least one unknown signaling source; And above-mentioned arithmetic element comprises according to the locating information of above-mentioned two known signal source to calculate the central point of known signal source as the locating information in unknown signaling source.
In one embodiment of this invention, above-mentioned signal source comprises at least four known signal source and at least one unknown signaling source; And above-mentioned arithmetic element comprises the locating information with calculation unknown signaling source according to the locating information of above-mentioned at least four known signal source.
In one embodiment of this invention, above-mentioned radio communication device also comprises GPS, and it is in order to radio communication device is positioned, to obtain the location computing information of radio communication device.
In one embodiment of this invention, above-mentioned signal source comprise the focus (Hotspot) of wireless compatible certification and base station one of them, above-mentioned identifying information comprise the Media Access Control address (Media Access Control Address, MAC Address) of focus and the identification code of base station one of them.
In one embodiment of this invention, above-mentioned signal strength values comprises received signal strength indicator (Received Signal Strength Indication, RSSI) value.
In one embodiment of this invention, above-mentioned radio communication device comprise mobile phone, personal digital assistant and mobile computer one of them.
The present invention proposes a kind of computer program, it is in order to store computer program, this computer program comprises multiple program codes, it is in order to be loaded in location database and to make this location database carry out a kind of update method of locating information, first the method comprises the following steps:, the signal strength values and the identifying information that receive the multiple signal sources that detected by radio communication device, wherein said signal source comprises at least one known signal source and at least one unknown signaling source.Then, inquiry position location form, to find out the corresponding locating information of identifying information of each known signal source, wherein said position location form comprises the identifying information and the locating information that record each known signal source.Then, according to the signal strength values of these known signal source and locating information, and the signal strength values in unknown signaling source, calculate the locating information in this unknown signaling source.Last the identifying information in calculated unknown signaling source and the locating information calculated are recorded in to position location form.
The present invention is by by the signal strength values in detected radio communication device unknown signaling source and the signal strength values comparison of one or more known signal source arround it, and select and upgrade the position location form of storing in location database, use the locating information of following the trail of and record the signal source of newly setting up, and the reference of other radio communication devices as location is provided.
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Brief description of the drawings
Fig. 1 is the schematic diagram of the positioning information update system that illustrates according to one embodiment of the invention.
Fig. 2 is the position location form illustrating according to one embodiment of the invention.
Fig. 3 is the calcspar of the location database that illustrates according to one embodiment of the invention.
Fig. 4 is the update method process flow diagram of the locating information that illustrates according to one embodiment of the invention.
[main element symbol description]
100: positioning information update system
110: radio communication device
120: location database
130,140,150: known signal source
160: unknown signaling source
210,220,230,240: position location form
211: Media Access Control address
212: locating information
300: location database
310: wireless transmission unit
320: storage unit
330: query unit
340: arithmetic element
S410～S450: each step of the update method of the locating information of one embodiment of the invention
Embodiment
Along with wireless compatible certification (Wireless fidelity, Wi-Fi) technology is universal, the device of many mobile phones, personal digital assistant, mobile computer has all been classified Wi-Fi device as standard outfit on the market at present, and near the focus that user can connect position whenever and wherever possible by this Wi-Fi device is got online without being tethered to a cable to realize.The present invention is by by the detected hot information of these Wi-Fi devices, come with location database in the locating information of existing focus compare, calculate according to this and record newly-increased in same region, eliminate or the locating information of mobile focus.In addition, the present invention also can, in conjunction with the detected base station information of the radio communication devices such as mobile phone, compare with the locating information of existing base station in location database, and can assist this device to calculate the locating information of focus.The present invention is update method and the computer program of a set of locating information of developing out based on above-mentioned concept.In order to make content of the present invention more clear, below the example that really can implement according to this as the present invention especially exemplified by embodiment.
Fig. 1 is the schematic diagram of the positioning information update system that illustrates according to one embodiment of the invention.Please refer to Fig. 1, the positioning information update system 100 of the present embodiment is mainly to utilize radio communication device 110 to detect its around signal strength values and identifying information in for example three known signal source 130,140,150 and unknown signaling source 160, and these information are passed back to the location database (Location Server) 120 of remote service end or pass back to the location database (not shown) in radio communication device 110, to reach the object of upgrading at any time locating information, with the next function of introducing these devices.
Known signal source 130,140,150 and unknown signaling source 160 are for example the base stations of focus or the communication carrier of Wi-Fi, the circular curve of being drawn for the center of circle by these signal sources is the coverage in representation signal source, and the signal intensity of these signal sources will increase and successively decrease along with distance.For example, for Wi-Fi system, this signal strength values is received signal strength indicator (the Received Signal Strength Indication of Wi-Fi Hotspot, RSSI) value, and along with the reduction having in various degree of covering of the growth of distance or barrier, the present embodiment is to suppose that therefore its coverage still maintains positive circle in the situation that there is no barrier.
As shown in Figure 1, radio communication device 110 is brought in the scope that known signal source 130,140,150 and unknown signaling source 160 cover jointly by user, signal strength values and the identifying information of the signal that these signal sources send therefore can be detected simultaneously.In detail, radio communication device 110 is for example a mobile phone, personal digital assistant (Personal Digital Assistance, PDA), PDA-phone or mobile computer, and can pass through for example Wi-Fi or global system for mobile communications (Global System for Mobile Communication, etc. GSM) wireless communication technology detects its signal source 130,140,150 and 160 around, and obtains signal strength values and the identifying information of these signal sources.Wherein, above-mentioned signal source is for example the base station of focus or the communication carrier of a Wi-Fi, and above-mentioned signal intensity is for example the received signal strength indicator value of Wi-Fi Hotspot or the signal strength values of base station.It should be noted that the kind difference along with signal source, by also difference to some extent of the detected identifying information of signal source.For instance, if the focus that signal source is Wi-Fi, detected identifying information is exactly the Media Access Control address (MediaAccess Control Address, MAC Address) of this focus; If signal source is base station, detected identifying information is exactly the identification code of base station.
In one embodiment, 120 of location databases are positioned at remote service end, can provide radio communication device 110 by for example global mobile communication (GSM) system, personal handhold telephone system (Personal Handy-phone System, and CDMA (Code Division MultipleAccess PHS), CDMA) system, bluetooth (Bluetooth) and wireless compatible certification (Wireless fidelity, the wireless transmission method such as Wi-Fi), the signal strength values of detected signal source and identifying information are transferred to location database 120.And in another embodiment, it is own that 120 of location databases are established in radio communication device 110, radio communication device 110 can directly transfer to location database 120 to inquire about by the signal strength values of detected signal source and identifying information.
In detail, in location database 120, store a position location form, wherein record identifying information and the corresponding locating information (being longitude and latitude coordinate) thereof of each known signal source in areal.And in the time that location database 120 receives the signal strength values of the signal source that radio communication device 110 exports and identifying information, can be by this position location form of inquiry, find out the corresponding locating information of identifying information of known signal source 130,140,150.
For instance, Fig. 2 is the position location form illustrating according to one embodiment of the invention.Please refer to Fig. 2, position location form 210 is in order to record the locating information of Wi-Fi Hotspot, and comprising Media Access Control address 211 and 212 two fields of locating information, and every a line in position location form 210 represents a Wi-Fi Hotspot.In one embodiment, corresponding different types of signal source, in location database, also can store individually position location form corresponding to these signal sources, the position location form 230 of position location form 220, radio relay repeater (Radio Repeater) or the radio broadcasting station (RadioBroadcaster) of for example base station, the position location form 240 of auxiliary global satellite positioning system (Assisted GlobalPositioning System, AGPS) etc.And in another embodiment, in location database, also different types of signal source can be stored in to same position location form.
Obtaining after the locating information of known signal source 130,140,150, location database 120 can be according to signal strength values and the locating information of known signal source 130,140,150, and the signal strength values in unknown signaling source, utilize algorithm to calculate the locating information in unknown signaling source 160.
In one embodiment, location database 120 can be selected signal strength values and unknown signaling source 160 the most close persons in known signal source 130,140,150, and locating information using its locating information as unknown signaling source 160.For instance, as shown in Figure 1, distance between radio communication device 110 and unknown signaling source 160 and known signal source 150 is close, the signal strength values receiving from these two signal sources is also the most approaching, and location database 120 can be selected the locating information using the locating information of known signal source 150 as unknown signaling source 160 accordingly.
In one embodiment, location database 120 can be selected the powerhouse of signal strength values in known signal source 130,140,150, and locating information using its locating information as unknown signaling source 160.For instance, as shown in Figure 1, nearest between radio communication device 110 and known signal source 150, therefore the signal strength values that radio communication device 110 receives known signal source 150 should be the strongest, and location database 120 can be selected the locating information using the locating information of known signal source 150 as unknown signaling source 160 accordingly.
In one embodiment, if when known signal source has two, for example known signal source 130,140, location database 120 can be according to the locating information of above-mentioned known signal source 130,140 to calculate the central point of known signal source 130,140 as the locating information in unknown signaling source 160.
In one embodiment, if when known signal source has more than two, for example known signal source 130,140,150, location database 120 can be according to the locating information of above-mentioned known signal source 130,140,150 to calculate the central point of known signal source 130,140,150 as the locating information in unknown signaling source 160.
In one embodiment, if (not shown) when known signal source has more than four, location database 120 can be according to the locating information of above-mentioned more than four known signal source to calculate the locating information in unknown signaling source 160.
According to the various functions of above-mentioned location database 120, further location database 120 is divided into multiple function element and illustrate with next.
Fig. 3 is the calcspar of the location database that illustrates according to one embodiment of the invention.Please refer to Fig. 3, the location database 300 of the present embodiment is for example the database that a database or that is disposed at service end is disposed at radio communication device itself, and in order to provide user to locate required information.When location database 300 is while being disposed at the database of service end, comprise wireless transmission unit 310, storage unit 320, query unit 330 and arithmetic element 340; And when location database 300 is when being disposed at the database of radio communication device itself, comprise storage unit 320, query unit 330 and arithmetic element 340.
When location database 300 is while being disposed at the database of service end, wireless transmission unit 310 is for example by wireless transmission methods such as global system for mobile communications, personal handhold telephone system, code division multiple access system, bluetooth or wireless compatible certifications, receives signal strength values and the identifying information of signal source from radio communication device (not illustrating).
In storage unit 320, there is a position location form, identifying information and the locating information of the multiple known signal source of this position location charting.
330 of query unit are to receive wireless transmission unit transmission and when the signal strength values of signal source that comes and identifying information at location database 300, by the position location form in inquiry storage unit 320, to find out the corresponding locating information of identifying information of each known signal source.
Arithmetic element 340 is by the signal strength values of the known signal source of further inquiring about according to query unit 330 and locating information, in conjunction with the signal strength values in unknown signaling source, and calculate the locating information in unknown signaling source with algorithm, and obtaining after the locating information in unknown signaling source, the identifying information in this unknown signaling source and locating information are recorded in to position location form, and complete the refresh routine of locating information.
It is worth mentioning that, in one embodiment, in above-mentioned radio communication device, can separately configure a GPS, it can be in order to radio communication device is positioned, to obtain the locating information of radio communication device.
For the framework of above-mentioned positioning information update system, the refresh routine that the present invention also provides corresponding method to realize locating information, describes in detail for an embodiment with next again.
Fig. 4 is the update method process flow diagram of the locating information that illustrates according to one embodiment of the invention.Please refer to Fig. 4, the update method of the present embodiment is applicable to the positioning information update system described in above-described embodiment, and in order to upgrade the locating information recording in location database, its step is as follows:
First, detect its multiple signal sources around by radio communication device, and obtain signal strength values and the identifying information (step S410) of these signal sources.Wherein, described signal source comprises at least one known signal source and at least one unknown signaling source, and its kind comprises the base station of focus or the communication carrier of Wi-Fi.Described identifying information is for example the Media Access Control address of focus or the identification code of base station, does not limit its scope at this.
Then, the signal strength values of the signal source it being detected by radio communication device and identifying information are sent to location database (step S420), and by position data library inquiry position location form, to find out the corresponding locating information of identifying information of each known signal source.Wherein, described position location charting identifying information and the locating information of each known signal source.
Then, location database, by further utilizing signal strength values and the locating information of the known signal source inquiring, in conjunction with the signal strength values in unknown signaling source, and is extrapolated the locating information (step S430) in unknown signaling source.Wherein, location database be for example in these known signal source, select signal strength values and unknown signaling source the most close person's locating information be used as the locating information in unknown signaling source; Or the locating information of selecting the powerhouse of signal strength values is used as the locating information in unknown signaling source.Or be in the time thering is more than two or two known signal source, by algorithm according to the locating information of above-mentioned more than two or two known signal source using the central point of calculation known signal source as the locating information in unknown signaling source.In the time thering is four or more known signal source, by algorithm according to the locating information of above-mentioned four or more known signal source with calculation unknown signaling source locating information.Or, calculate the locating information in unknown signaling source by other algorithms from signal strength values and the locating information of multiple known signal source, do not limit its scope at this.
Finally, obtaining after the locating information in unknown signaling source, location database can be recorded in position location form by the identifying information in this unknown signaling source and the locating information of calculating, and completes the refresh routine (step S440) of locating information.By said method, in the time that user's handheld redio communication device is gone to any one place, can hunt out local newly-increased or mobile signaling point, and provide information to position the renewal of information to location database in the very first time.
It is worth mentioning that, according to above-mentioned concept, the present invention more can expand to the refresh routine that utilizes multiple radio communication devices to carry out collocation position database to position information.Particularly, as long as any place that each user's handheld redio communication device is walked in same area, near known or unknown signal source can detecting at any time, and upgrade the locating information recording in location database, therefore the locating information in location database can be maintained to last state, and guarantee the accuracy of locating information.
On the other hand, the present invention more provides a kind of computer program (for example CD, disk and removable hard drive etc.), and it records the authority sign-off program of an embodied on computer readable, to carry out the update method of above-mentioned locating information.(for example the setting up organization chart code segment, sign-off list code segment, setting program code snippet and deployment program code snippet) that this authority sign-off program is made up of most code segment substantially, and the function of these code segment corresponds to the step of above-mentioned update method and the functional block diagram of above-mentioned renewal system.
In sum, in update method, system and the computer program of locating information of the present invention, the signal strength values of signal source radio communication device being detected by location database and existing position location form are compared, calculate according to this locating information in unknown signaling source, finally this locating information be recorded in to position location form and complete the renewal of locating information.Accordingly, the present invention not only can increase the accuracy of locating information to reduce the wrong situation in location, and can reduce the cost that upgrades the required cost of locating information.
Although the present invention with embodiment openly as above; so it is not in order to limit the present invention, those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on the appended claims person of defining.
Claims (18)
1. a update method for locating information, comprises the following steps:
Detect a radio communication device multiple signal sources around, and obtain a signal strength values and an identifying information of signal source described in each, wherein said signal source comprises at least one known signal source and at least one unknown signaling source;
Inquire about a position location form, to find out the corresponding locating information of this identifying information of known signal source described in each, wherein this position location form comprises this identifying information and this locating information that record known signal source described in each;
According to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, this locating information in this unknown signaling source calculated; And
This identifying information that records this unknown signaling source with this locating information of calculating in this position location form,
Wherein according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate that the step of this locating information in this unknown signaling source comprises:
Select this locating information of this known signal source that this signal strength values is the most close with this unknown signaling source as this locating information in this unknown signaling source.
2. a update method for locating information, comprises the following steps:
Detect a radio communication device multiple signal sources around, and obtain a signal strength values and an identifying information of signal source described in each, wherein said signal source comprises at least one known signal source and at least one unknown signaling source;
Inquire about a position location form, to find out the corresponding locating information of this identifying information of known signal source described in each, wherein this position location form comprises this identifying information and this locating information that record known signal source described in each;
According to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, this locating information in this unknown signaling source calculated; And
This identifying information that records this unknown signaling source with this locating information of calculating in this position location form,
Wherein according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source,
The step of calculating this locating information in this unknown signaling source comprises:
Select this locating information of this known signal source that this signal strength values is the strongest as this locating information in this unknown signaling source.
3. a update method for locating information, comprises the following steps:
Detect a radio communication device multiple signal sources around, and obtain a signal strength values and an identifying information of signal source described in each, wherein said signal source comprises at least one known signal source and at least one unknown signaling source;
Inquire about a position location form, to find out the corresponding locating information of this identifying information of known signal source described in each, wherein this position location form comprises this identifying information and this locating information that record known signal source described in each;
According to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, this locating information in this unknown signaling source calculated; And
This identifying information that records this unknown signaling source with this locating information of calculating in this position location form,
Wherein said signal source comprises at least two these known signal source and at least one this unknown signaling source; And
This is according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate that the step of the locating information in unknown signaling source comprises according to the locating information of these at least two known signal source to calculate the central point of these at least two known signal source as the locating information in this unknown signaling source.
4. a update method for locating information, comprises the following steps:
Detect a radio communication device multiple signal sources around, and obtain a signal strength values and an identifying information of signal source described in each, wherein said signal source comprises at least one known signal source and at least one unknown signaling source;
Inquire about a position location form, to find out the corresponding locating information of this identifying information of known signal source described in each, wherein this position location form comprises this identifying information and this locating information that record known signal source described in each;
According to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, this locating information in this unknown signaling source calculated; And
This identifying information that records this unknown signaling source with this locating information of calculating in this position location form,
Wherein said signal source comprises at least four these known signal source and at least one this unknown signaling source; And
This is according to the signal strength values of known signal source and locating information, and the signal strength values in unknown signaling source, calculate that the step of the locating information in unknown signaling source comprises according to the locating information of these at least four known signal source to calculate the locating information in this unknown signaling source.
5. the update method of locating information as claimed in claim 1, wherein this position location form comprises and is stored in a location database, and this position location form of described inquiry comprises with the step of finding out corresponding this locating information of this identifying information of known signal source described in each:
This identifying information that transmits described signal source by a wireless transmission method is to this location database; And
By this position location form of this position data library inquiry, to find out corresponding this locating information of this identifying information of known signal source described in each.
6. the update method of locating information as claimed in claim 5, wherein this identifying information in this unknown signaling source is recorded in this locating information of calculating this position location form that this location database is stored.
7. the update method of locating information as claimed in claim 5, wherein this location database is a remote location database, or be the location database in this radio communication device, or be the combination of the location database in a remote location database and this radio communication device.
8. the update method of locating information as claimed in claim 1, wherein this signal source comprise a focus of wireless compatible certification and a base station one of them.
9. a renewal system for locating information, comprising:
At least one radio communication device, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein this arithmetic element comprises that this locating information of selecting this known signal source that this signal strength values is the most close with this unknown signaling source is as this locating information in this unknown signaling source.
10. the renewal system of locating information as claimed in claim 9, wherein this location database comprises:
One wireless transmission unit, in order to by a wireless transmission method, receives this signal strength values and this identifying information of the described signal source that this radio communication device exports;
One storage unit, in order to store this position location form;
One query unit, in order to this signal strength values and this identifying information of the described signal source that receives according to this wireless transmission unit, inquires about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each; And
One arithmetic element, in order to according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form.
The renewal system of 11. 1 kinds of locating information, comprising:
At least one radio communication device, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein this arithmetic element comprises that this locating information of selecting the known signal source that this signal strength values is the strongest is as this locating information in this unknown signaling source.
The renewal system of 12. 1 kinds of locating information, comprising:
At least one radio communication device, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein said signal source comprises at least two these known signal source and at least one this unknown signaling source; And
This arithmetic element comprises according to the locating information of these at least two known signal source to calculate the central point of these at least two known signal source as the locating information in this unknown signaling source.
The renewal system of 13. 1 kinds of locating information, comprising:
At least one radio communication device, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein said signal source comprises at least four these known signal source and at least one this unknown signaling source; And
This arithmetic element comprises according to the locating information of these at least four known signal source to calculate the locating information in this unknown signaling source.
14. 1 kinds of radio communication devices, comprising:
One wireless communication unit, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein this arithmetic element comprises that this locating information of selecting this known signal source that this signal strength values is the most close with this unknown signaling source is as this locating information in this unknown signaling source.
15. radio communication devices as claimed in claim 14, wherein this location database comprises:
One storage unit, in order to store this position location form;
One query unit, in order to this signal strength values and this identifying information of the described signal source that receives according to this wireless transmission unit, inquires about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each; And
One arithmetic element, in order to according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form.
16. 1 kinds of radio communication devices, comprising:
One wireless communication unit, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein this arithmetic element comprises that this locating information of selecting the known signal source that this signal strength values is the strongest is as this locating information in this unknown signaling source.
17. 1 kinds of radio communication devices, comprising:
One wireless communication unit, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein said signal source comprises at least two these known signal source and at least one this unknown signaling source; And
This arithmetic element comprises according to the locating information of these at least two known signal source to calculate the central point of these at least two known signal source as the locating information in this unknown signaling source.
18. 1 kinds of radio communication devices, comprising:
One wireless communication unit, in order to detect multiple signal sources around, and obtains a signal strength values and an identifying information of signal source described in each, and wherein said signal source comprises at least one known signal source and at least one unknown signaling source; And
One location database, in order to store and to upgrade a position location form, this position location form comprises this identifying information and the locating information that record known signal source described in each, wherein
In the time that this location database receives this signal strength values of the described signal source that this radio communication device exports and this identifying information, inquire about this position location form, to find out corresponding this locating information of this identifying information of known signal source described in each, and according to this signal strength values of described known signal source and this locating information, and this signal strength values in this unknown signaling source, calculate this locating information in this unknown signaling source, and this identifying information that records this unknown signaling source with this locating information of calculating in this position location form
Wherein said signal source comprises at least four these known signal source and at least one this unknown signaling source; And
This arithmetic element comprises according to the locating information of these at least four known signal source to calculate the locating information in this unknown signaling source.
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| CN102802258A (en) * | 2011-05-27 | 2012-11-28 | 北京百度网讯科技有限公司 | Method, server and system for extending locating database |
| CN103841599B (en) * | 2012-11-27 | 2017-03-15 | 北京百度网讯科技有限公司 | The appraisal procedure and system of wireless location ability |
| CN105142010A (en) * | 2015-07-30 | 2015-12-09 | 广东欧珀移动通信有限公司 | Bluetooth connection selection method of multi-play device and main play device |
| CN105872654B (en) * | 2016-03-22 | 2019-05-31 | Oppo广东移动通信有限公司 | Bluetooth connection switching method, apparatus and system in audio frequency broadcast system |
| CN106168660A (en) * | 2016-07-05 | 2016-11-30 | 合肥华凌股份有限公司 | Refrigerator and the positioner of refrigerator |
| CN112378395B (en) * | 2020-10-26 | 2023-08-08 | 歌尔智能科技有限公司 | Slave device positioning method, slave device control method, virtual reality device and wearable device |
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