CN108802678A - A kind of method and apparatus of equipment positioning - Google Patents
A kind of method and apparatus of equipment positioning Download PDFInfo
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- CN108802678A CN108802678A CN201810822499.2A CN201810822499A CN108802678A CN 108802678 A CN108802678 A CN 108802678A CN 201810822499 A CN201810822499 A CN 201810822499A CN 108802678 A CN108802678 A CN 108802678A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/14—Determining absolute distances from a plurality of spaced points of known location
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- Radar, Positioning & Navigation (AREA)
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Abstract
The present invention provides a kind of method and apparatus of equipment positioning, are related to the technical field of equipment positioning, including：Determine the first matrix corresponding with reference label, each row vector or column vector in the first matrix include that each locating base station carries out the signal strength values that signal strength acquisition obtains later to each reference label；Determine second matrix corresponding with label to be positioned, each row vector or column vector in the second matrix include that each locating base station carries out the signal strength values that signal strength acquisition obtains later to each label to be positioned；Each European metric between label to be positioned and each reference label is calculated based on the first matrix and the second matrix, obtains the European metric group of target；The location information of each label to be positioned is determined according to European metric, and then determine the location information of the equipment to be positioned corresponding to each label to be positioned, solve the technical issues of can not being accurately positioned in the prior art to the equipment to be positioned in target area.
Description
Technical field
The present invention relates to equipment field of locating technology, more particularly, to a kind of method and apparatus of equipment positioning.
Background technology
In recent years, with wireless technology, the development of mobile communication technology, especially technology of Internet of things recent years and wisdom
City is greatly developed, and people enhance for positioning with the demand mouth benefit of navigation, such as super especially in complicated indoor environment
City, hospital, museum, library, underground parking etc., it is often necessary to go to determine the essence of the asset equipment of indoor location or placement
True position.And Infrared-Ultrasound etc. it is traditional or indoor positioning technologies are expensive, system complex or positioning accuracy
Difference, general location performance is not ideal enough, and since part indoor location or the asset equipment of placement need often movement, causes
It is more difficult to being accurately positioned for asset equipment.
In view of the above-mentioned problems, not proposing effective solution scheme also.
Invention content
In view of this, the purpose of the present invention is to provide a kind of method and apparatus of equipment positioning, to alleviate existing skill
The technical issues of can not carrying out precise positioning to the equipment in target area present in art.
In a first aspect, an embodiment of the present invention provides a kind of method of equipment positioning, this method includes：It determines and is marked with reference
Sign corresponding first matrix, wherein each row vector or column vector in first matrix include each locating base station
Signal strength is carried out to each reference label and acquires the signal strength values obtained later, the quantity of the locating base station is multiple；
Determine second matrix corresponding with label to be positioned, wherein each row vector in second matrix or column vector packet
It includes each locating base station and the signal strength values that signal strength acquisition obtains later is carried out to each label to be positioned；Based on described
One matrix and second matrix calculate each European metric between the label to be positioned and each reference label,
Obtain the European metric group of target；The location information of each label to be positioned is determined according to the European metric, and then is determined
The location information of equipment to be positioned corresponding to each label to be positioned.
Further, it is determined that the first matrix corresponding with reference label includes：First group of signal strength values is obtained,
In, first group of signal strength values include that each locating base station to each reference label obtain after signal strength acquisition
The signal strength values arrived；The first matrix S=[S are built based on first group of signal strength values1 S2 … Sn], wherein SiIn
Signal strength, which is carried out, including i-th of reference label of each locating base station pair acquires the signal strength values obtained later, Sn=(Sn1,
Sn2…SnK), K is the quantity of locating base station, SniSignal for characterizing n-th of label to be positioned that locating base station i is read is strong
Angle value.
Further, it is determined that second matrix corresponding with label to be positioned includes：Second group of signal strength values is obtained,
In, second group of signal strength values include each locating base station signal strength acquisition carried out to each label to be positioned after
Obtained signal strength values；The first matrix F is built based on first group of signal strength valuesn=(F1, F2…Fm), wherein FtIn
Signal strength, which is carried out, including t-th of reference label of each locating base station pair acquires the signal strength values obtained later, Ft=(Ft1,
Ft2…FtK), K is the quantity of locating base station, FtiSignal for characterizing n-th of label to be positioned that locating base station i is read is strong
Angle value.
Further, be based on first matrix and second matrix calculate each label to be positioned with it is described each
European metric between reference label, obtaining the European metric group of target includes：Each described wait for is calculated using first formula
The European metric between label and each reference label is positioned, obtains the European metric group of target, wherein EjExpression each waits for
The European metric between label and j-th of reference label is positioned, first formula is
Further, the location information of each label to be positioned is determined according to the European metric, and then is determined each
The location information of equipment to be positioned corresponding to label to be positioned includes：Obtain preceding H minimum in the European metric group of the target
The coordinate of the corresponding reference label of each European metric in European metric and the preceding H minimum European metric；Base
Each corresponding reference of European metric in described first H minimum European metric and the first H minimum European metric
The coordinate of label calculates the coordinate of the label to be positioned.
Further, it is based on each Europe in described first H minimum European metric and the first H minimum European metric
The coordinate of the corresponding reference label of formula metric, the coordinate for calculating the label to be positioned include：Calculate described first H minimum Europe
The weight w of the corresponding reference label of each European metric in formula metricl, whereinBased on described
The corresponding reference label w of each European metric in preceding H minimum European metriclWith the coordinate of the corresponding reference label
(xl, yl)；By weight centroid method, the weight w is utilizedlWith the coordinate (x of the corresponding reference labell, yl) described in calculating
The coordinate (x, y) of label to be positioned, wherein
Second aspect, an embodiment of the present invention provides a kind of device of equipment positioning, which includes：First determines list
Member, the second determination unit, computing unit and third determination unit, wherein shown first determination unit is marked for determining with reference
Sign corresponding first matrix, wherein each row vector or column vector in first matrix include each locating base station
Signal strength is carried out to each reference label and acquires the signal strength values obtained later, the quantity of the locating base station is multiple；
Second determination unit is for determining second matrix corresponding with label to be positioned, wherein every in second matrix
A row vector or column vector include that each locating base station obtains each label progress signal strength acquisition to be positioned later
Signal strength values；The computing unit is used to calculate each mark to be positioned based on first matrix and second matrix
European metric between label and each reference label, obtains the European metric group of target；The third determination unit is used
In the location information for determining each label to be positioned according to the European metric, and then corresponding to determining each label to be positioned
The location information of equipment to be positioned.
Further, first determination unit is additionally operable to：Obtain first group of signal strength values, wherein described first group
Signal strength values include that each locating base station carries out the signal strength that signal strength acquisition obtains later to each reference label
Value；The first matrix S=[S are built based on first group of signal strength values1 S2 … Sn], wherein SiIt include each positioning
I-th of base station pair reference label carries out signal strength and acquires the signal strength values obtained later, Sn=(Sn1, Sn2…SnK), K is
The quantity of locating base station, SniSignal strength values for characterizing n-th of label to be positioned that locating base station i is read.
Further, second determination unit is additionally operable to：Obtain second group of signal strength values, wherein described second group
Signal strength values include each locating base station, and to carry out the signal that signal strength acquisition obtains later to each label to be positioned strong
Angle value；The first matrix F is built based on first group of signal strength valuesn=(F1, F2…Fm), wherein FtIt include each positioning
T-th of base station pair reference label carries out signal strength and acquires the signal strength values obtained later, Ft=(Ft1, Ft2…FtK), K is
The quantity of locating base station, FtiSignal strength values for characterizing n-th of label to be positioned that locating base station i is read.
Further, the computing unit is additionally operable to：Using first formula calculate each label to be positioned with
European metric between each reference label obtains the European metric group of target, wherein EjIndicate each mark to be positioned
European metric between label and j-th of reference label, first formula are
In embodiments of the present invention, include that each locating base station adopts each reference label progress signal strength by structure
Collect the first matrix of signal strength values obtained later and signal strength is carried out to each label to be positioned including each locating base station
The second matrix of signal strength values obtained later is acquired, and above-mentioned the first matrix and the second matrix are calculated, is obtained
The location information of equipment to be positioned, and then solving in the prior art can not be accurate to the progress of the equipment to be positioned in target area
The technical issues of positioning, to realize the technique effect for carrying out precise positioning to the equipment to be positioned in target area.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of flow chart of the method for equipment positioning provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the method for another equipment positioning provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the method for another equipment positioning provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of the device of another equipment positioning provided in an embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Embodiment one：
According to embodiments of the present invention, a kind of embodiment of the method for equipment positioning is provided, it should be noted that in attached drawing
The step of flow illustrates can execute in the computer system of such as a group of computer-executable instructions, although also,
Logical order is shown in flow chart, but in some cases, it can be to execute shown different from sequence herein or retouch
The step of stating.
Fig. 1 is a kind of method of equipment positioning according to the ... of the embodiment of the present invention, as shown in Figure 1, this method includes following step
Suddenly：
Step S102 determines corresponding with reference label the first matrix, wherein each row in first matrix to
Amount or column vector include that each locating base station carries out the signal strength that signal strength acquisition obtains later to each reference label
The quantity of value, the locating base station is multiple.
Step S104 determines second matrix corresponding with label to be positioned, wherein each row in second matrix
Vector or column vector include that each locating base station carries out the signal that signal strength acquisition obtains later to each label to be positioned
Intensity value.
Step S106, based on first matrix and second matrix calculate each label to be positioned with it is described each
European metric between a reference label obtains the European metric group of target.
Step S108, the location information of each label to be positioned is determined according to the European metric, and then is determined each
The location information of equipment to be positioned corresponding to label to be positioned.
In embodiments of the present invention, include that each locating base station adopts each reference label progress signal strength by structure
Collect the first matrix of signal strength values obtained later and signal strength is carried out to each label to be positioned including each locating base station
The second matrix of signal strength values obtained later is acquired, and above-mentioned the first matrix and the second matrix are calculated, is obtained
The location information of equipment to be positioned, and then solving in the prior art can not be accurate to the progress of the equipment to be positioned in target area
The technical issues of positioning, to realize the technique effect for carrying out precise positioning to the equipment to be positioned in target area.
It should be noted that RFID (radio frequency identification) electricity may be used in above-mentioned reference label and label to be positioned
Subtab, and a label to be positioned corresponds to an equipment to be positioned.In the present embodiment, accurate by being carried out to reference label
Positioning can be realized and treat the effect that positioning device carries out precise positioning.
In addition, being further without it is noted that RFID reader, the number of RFID reader may be used in above-mentioned locating base station
Amount is multiple, and each RFID reader can carry out signal strength acquisition to each reference label and each label to be positioned,
To obtain corresponding signal strength values.Later, so that it may to calculate above-mentioned collected signal strength values, obtain undetermined
The location information of position label, wherein the location information can be the coordinate of label to be positioned.Obtaining the position of label to be positioned
After information, so that it may with the location information of the equipment to be positioned corresponding to determination label to be positioned.
In addition, it should also be noted that, in the present embodiment, method can described in above-mentioned steps S102 to step S108
To apply in the device that equipment positions, wherein the device of equipment positioning can be arranged stores warehouse or equipment machine in equipment
In the region of the storage of the needs such as room or the more equipment to be positioned of installation number.With the device that is positioned by the equipment to above-mentioned area
Equipment to be positioned in domain carries out location Calculation.
In the present embodiment, multiple reference labels and multiple locating base stations can be placed at random in above-mentioned zone, and will
Label to be positioned is placed in corresponding equipment to be positioned.Later, so that it may with by each locating base station to each reference label
It carries out obtaining corresponding signal strength values after signal strength acquisition with each label to be positioned, it is then that collected signal is strong
Angle value is handled and is calculated by the above method, to obtain the coordinate of each equipment to be positioned in the region.In this implementation
In example, above-mentioned described positioning method need not increase additional expensive equipment, can also reach to undetermined in the region
Position equipment carries out pinpoint technique effect.
In embodiments of the present invention, as shown in Fig. 2, the step S102 further includes：
Step S1021 obtains first group of signal strength values, wherein first group of signal strength values include each fixed
Position base station carries out signal strength to each reference label and acquires the signal strength values obtained later.
Step S1022 builds the first matrix S=[S based on first group of signal strength values1 S2 … Sn], wherein Si
Include that i-th of reference label of each locating base station pair carries out the signal strength values that signal strength acquisition obtains later, Sn=
(Sn1, Sn2…SnK), K is the quantity of locating base station, SniLetter for characterizing n-th of label to be positioned that locating base station i is read
Number intensity value.
In embodiments of the present invention, first, it obtains each locating base station and signal strength acquisition is carried out to each reference label
The signal strength values obtained later obtain first group of signal strength values.
Then, the first matrix S=[S are built according to first group of signal strength values1 S2 … Sn], which is one
The matrix of n X K, n are the quantity of reference label, and K is the quantity of locating base station.For example, if in target area including 6 references
Label and 4 locating base stations, the then matrix that the first matrix is one 6 × 4.
Each row vector S of above-mentioned first matrixn=(Sn1, Sn2…SnK) be each locating base station to corresponding reference
Label carries out signal strength and acquires the signal strength values obtained later.
In embodiments of the present invention, as shown in Fig. 2, step S104 includes the following steps：
Step S1041 obtains second group of signal strength values, wherein second group of signal strength values include each fixed
Position base station carries out signal strength to each label to be positioned and acquires the signal strength values obtained later.
Step S1042 builds the first matrix F based on first group of signal strength valuesn=(F1, F2…Fm), wherein FtIn
Signal strength, which is carried out, including t-th of reference label of each locating base station pair acquires the signal strength values obtained later, Ft=(Ft1,
Ft2…FtK), K is the quantity of locating base station, FtiSignal for characterizing n-th of label to be positioned that locating base station i is read is strong
Angle value.
In embodiments of the present invention, first, each locating base station is obtained to adopt each label progress signal strength to be positioned
Collect the signal strength values obtained later, obtains second group of signal strength values.
Then, the first matrix F is built according to second group of signal strength valuesn=(F1, F2…Fm), which is a m
The matrix of X K, m are the quantity of label to be positioned, and K is the quantity of locating base station, for example, if being waited for including 5 in target area
Label and 4 locating base stations are positioned, then the matrix that the second matrix is one 5 × 4.
Each row vector F of above-mentioned second matrixt=(Ft1, Ft2…FtK) be each locating base station to corresponding undetermined
Position label carries out signal strength and acquires the signal strength values obtained later.
In embodiments of the present invention, as shown in Fig. 2, step S106 further includes following steps：
Step S1061, using first formula calculate each label to be positioned and each reference label it
Between European metric, obtain the European metric group of target, wherein EjIndicate each label to be positioned and j-th of reference label
Between European metric, first formula be E=
In embodiments of the present invention, by by a row vector in the row vector and the second matrix in the first matrix
Substitute into formulaCan calculate the corresponding reference label of row vector of first matrix with
European metric between the corresponding label to be positioned of row matrix of second row vector, obtains a label to be positioned and one
European metric between reference label.Each label to be positioned and each reference label can be obtained eventually by above-mentioned formula
Between European metric, obtain the European metric group of target.
By above-mentioned method, respectively by each row vector band in each row vector and the second matrix in the first matrix
Enter in above-mentioned formula, you can to obtain the European metric group of target, include each reference mark in the European metric group of the target
European metric between label and each label to be positioned, EjIt indicates each between label to be positioned and j-th of reference label
European metric.
One above-mentioned European metric be used to characterize between corresponding reference label and corresponding label to be positioned away from
From, therefore, European metric is also known as Euclidean distance, and above-mentioned European metric is smaller, then illustrate corresponding reference label with
The distance between corresponding label to be positioned is closer, and the European metric of European measurement is bigger, then illustrate corresponding reference label with
The distance between corresponding label to be positioned is remoter.
In embodiments of the present invention, as shown in Fig. 2, step S108 includes the following steps：
It is a to obtain first H minimum European metric and the preceding H in the European metric group of the target by step S1081
The coordinate of the corresponding reference label of each European metric in minimum European metric；
Step S1082, based on each in described first H minimum European metric and the first H minimum European metric
The coordinate of the corresponding reference label of European metric, calculates the coordinate of the label to be positioned.
In embodiments of the present invention, first, H minimum European metric before being obtained in the European metric group of target, i.e.,
It gets European between nearest H labels to be positioned of the tag distances to be positioned corresponding to the European metric group of the target
Metric, wherein H is a positive integer more than zero.
Then, according in H before in the coordinate system built in advance in target area, getting minimum European metric
Each coordinate of the corresponding reference label of European metric.
Finally, according to each Europe in above-mentioned first H minimum European metric and above-mentioned first H minimum European metric
The seat of the label to be positioned corresponding to the European metric group is obtained by calculation in the coordinate of the corresponding reference label of formula metric
Mark.
In embodiments of the present invention, as shown in figure 3, step S1082 further includes following steps：
Step 11, each power of the corresponding reference label of European metric is calculated in the preceding H minimum European metric
Value wl, wherein
Step 12, each corresponding reference label of European metric and institute are obtained in the preceding H minimum European metric
State the coordinate (x of corresponding reference labell, yl)。
Step 13, weight centroid method is crossed all, utilizes the weight wlWith the coordinate (x of the corresponding reference labell,
yl) calculate the coordinate (x, y) of the label to be positioned, wherein
In embodiments of the present invention, first, each European metric in above-mentioned first H minimum European metric will be substituted into
FormulaIn, each corresponding reference label of European metric in H minimum European metric before obtaining
Weight wl。
Then, by the weights of the corresponding reference label of each European metric in above-mentioned first H minimum European metric
wlAnd in each of above-mentioned preceding H minimum European metric the corresponding reference label of each European metric coordinate (xl,
yl), substitute into the formula of weight centroid method In, the coordinate of label to be positioned is obtained, from
And determine the coordinate of equipment to be positioned in the target area corresponding to the label to be positioned, and then realize to target area
Interior equipment to be positioned carries out pinpoint technique effect.
Embodiment two：
In embodiments of the present invention, a kind of device of equipment positioning is additionally provided, Fig. 4 is according to the one of the embodiment of the present invention
The schematic diagram of the device of kind equipment positioning, as shown in figure 4, the device includes：First determination unit 10, the second determination unit 20,
Computing unit 30 and third determination unit 40, wherein
First determination unit 10 is for determining the first matrix corresponding with reference label, wherein in first matrix
Each row vector or column vector to include each locating base station to each reference label obtain after signal strength acquisition
Signal strength values, the quantity of the locating base station is multiple；
Second determination unit 20 is for determining second matrix corresponding with label to be positioned, wherein second matrix
In each row vector or column vector after to include each locating base station carry out signal strength acquisition to each label to be positioned
Obtained signal strength values；
Computing unit 30 be used for based on first matrix and second matrix calculate each label to be positioned with
European metric between each reference label obtains the European metric group of target；
Third determination unit 40 is used to determine the location information of each label to be positioned according to the European metric, in turn
Determine the location information of equipment to be positioned corresponding to each label to be positioned.
In embodiments of the present invention, by the first determination unit build include each locating base station to each reference label
What the first matrix of signal strength values and the second determination unit that progress signal strength acquisition obtains later were built includes each positioning
Base station carries out signal strength to each label to be positioned and acquires the second matrix of signal strength values obtained later, by computing unit
Above-mentioned the first matrix and the second matrix are calculated with third determination unit, obtain the location information of equipment to be positioned, into
And solve the technical issues of can not carrying out precise positioning to the equipment to be positioned in target area in the prior art, to realize
The technique effect of precise positioning is carried out to the equipment to be positioned in target area.
Optionally, first determination unit 10 is additionally operable to：Obtain first group of signal strength values, wherein described first group
Signal strength values include that each locating base station carries out the signal strength that signal strength acquisition obtains later to each reference label
Value；The first matrix S=[S are built based on first group of signal strength values1 S2 … Sn], wherein SiIt include each positioning
I-th of base station pair reference label carries out signal strength and acquires the signal strength values obtained later, Sn=(Sn1, Sn2…SnK), K is
The quantity of locating base station, SniSignal strength values for characterizing n-th of label to be positioned that locating base station i is read.
Optionally, in embodiments of the present invention, second determination unit 20 is additionally operable to：Obtain second group of signal strength
Value, wherein second group of signal strength values include that each locating base station adopts each label progress signal strength to be positioned
Collect the signal strength values obtained later；The first matrix F is built based on first group of signal strength valuesn=(F1, F2…Fm),
In, FtInclude that t-th of reference label of each locating base station pair carries out the signal strength values that signal strength acquisition obtains later, Ft
=(Ft1, Ft2…FtK), K is the quantity of locating base station, FtiFor characterizing n-th of label to be positioned that locating base station i is read
Signal strength values.
Optionally, the computing unit 30 is additionally operable to：Using the first formula calculate each label to be positioned with it is described
European metric between each reference label obtains the European metric group of target, wherein EjIndicate each label to be positioned with
European metric between j-th of reference label, first formula are
Optionally, the determination unit 40 is additionally operable to：The position of each label to be positioned is determined according to the European metric
Confidence ceases, and then determines that the location information of equipment to be positioned corresponding to each label to be positioned includes：It is European to obtain the target
Each European metric correspondence in preceding H minimum European metric and the first H minimum European metric in metric group
Reference label coordinate；Based on each Europe in described first H minimum European metric and the first H minimum European metric
The coordinate of the corresponding reference label of formula metric calculates the coordinate of the label to be positioned.
Optionally, the determination unit 40 is additionally operable to：It is a most based on the first H minimum European metric and the preceding H
The coordinate of the corresponding reference label of each European metric, calculates the coordinate packet of the label to be positioned in small European metric
It includes：Calculate the weight w of the corresponding reference label of each European metric in the preceding H minimum European metricl, whereinObtain the corresponding reference label w of each European metric in the preceding H minimum European metricl
With the coordinate (x of the corresponding reference labell, yl)；By weight centroid method, the weights and the corresponding reference are utilized
The coordinate of label calculates the coordinate (x, y) of the label to be positioned, wherein
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer read/write memory medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of step of method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with
Store the medium of program code.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of method of equipment positioning, which is characterized in that including：
Determine the first matrix corresponding with reference label, wherein each row vector in first matrix or column vector
Signal strength is carried out to each reference label including each locating base station and acquires the signal strength values obtained later, the positioning base
The quantity stood is multiple；
Determine corresponding with label to be positioned second matrix, wherein each row vector in second matrix or arrange to
Amount includes that each locating base station carries out the signal strength values that signal strength acquisition obtains later to each label to be positioned；
Based on first matrix and second matrix calculate each label to be positioned and each reference label it
Between European metric, obtain the European metric group of target；
The location information of each label to be positioned is determined according to the European metric, and then determines that each label institute to be positioned is right
Answer the location information of equipment to be positioned.
2. according to the method described in claim 1, it is characterized in that, determining that the first matrix corresponding with reference label includes：
Obtain first group of signal strength values, wherein first group of signal strength values include each locating base station to each ginseng
It examines label and carries out the signal strength values that signal strength acquisition obtains later；
The first matrix S=[S are built based on first group of signal strength values1 S2 … Sn], wherein SiIt include each positioning
I-th of base station pair reference label carries out signal strength and acquires the signal strength values obtained later, Sn=(Sn1, Sn2…SnK), K is
The quantity of locating base station, SniSignal strength values for characterizing n-th of label to be positioned that locating base station i is read.
3. according to the method described in claim 2, it is characterized in that, determining second matrix packet corresponding with label to be positioned
It includes：
Obtain second group of signal strength values, wherein second group of signal strength values include that each locating base station is waited for each
Positioning label carries out signal strength and acquires the signal strength values obtained later；
The first matrix F is built based on first group of signal strength valuesn=(F1, F2…Fm), wherein FtIt include each positioning base
It stands and the signal strength values that signal strength acquisition obtains later, F is carried out to t-th of reference labelt=(Ft1, Ft2…FtK), K is fixed
The quantity of position base station, FtiSignal strength values for characterizing n-th of label to be positioned that locating base station i is read.
4. according to the method described in claim 1, it is characterized in that, being calculated based on first matrix and second matrix every
European metric between a label to be positioned and each reference label, obtaining the European metric group of target includes：
Each European metric between the label to be positioned and each reference label is calculated using first formula,
Obtain the European metric group of target, wherein EjIndicate each European measurement between label to be positioned and j-th of reference label
Value, first formula are
5. according to the method described in claim 4, it is characterized in that, determining each label to be positioned according to the European metric
Location information, and then determine that the location information of equipment to be positioned corresponding to each label to be positioned includes：
Obtain first H minimum European metric and the first H minimum European metric in the European metric group of the target
In the corresponding reference label of each European metric coordinate；
It is corresponded to based on each European metric in described first H minimum European metric and the first H minimum European metric
Reference label coordinate, calculate the coordinate of the label to be positioned.
6. according to the method described in claim 5, it is characterized in that, based on the first H minimum European metric and the preceding H
The coordinate of the corresponding reference label of each European metric, calculates the coordinate of the label to be positioned in a European metric of minimum
Including：
Calculate the weight w of the corresponding reference label of each European metric in the preceding H minimum European metricl, wherein
Obtain the corresponding reference label w of each European metric in the preceding H minimum European metriclWith the corresponding ginseng
Examine the coordinate (x of labell, yl)；
By weight centroid method, the weight w is utilizedlWith the coordinate (x of the corresponding reference labell, yl) calculate it is described undetermined
The coordinate (x, y) of position label, wherein
7. a kind of device of equipment positioning, which is characterized in that described device includes：First determination unit, the second determination unit, meter
Calculate unit and third determination unit, wherein
Shown first determination unit is for determining the first matrix corresponding with reference label, wherein in first matrix
Each row vector or column vector include that each locating base station obtains the progress signal strength acquisition of each reference label later
The quantity of signal strength values, the locating base station is multiple；
Second determination unit is for determining second matrix corresponding with label to be positioned, wherein in second matrix
Each row vector or column vector to include each locating base station carry out after signal strength acquisition each label to be positioned
The signal strength values arrived；
The computing unit is used to calculate each label to be positioned and institute based on first matrix and second matrix
The European metric between each reference label is stated, the European metric group of target is obtained；
The third determination unit is used to determine the location information of each label to be positioned according to the European metric, and then really
The location information of equipment to be positioned corresponding to fixed each label to be positioned.
8. device according to claim 7, which is characterized in that first determination unit is additionally operable to：
Obtain first group of signal strength values, wherein first group of signal strength values include each locating base station to each ginseng
It examines label and carries out the signal strength values that signal strength acquisition obtains later；
The first matrix S=[S are built based on first group of signal strength values1 S2 … Sn], wherein SiIt include each positioning
I-th of base station pair reference label carries out signal strength and acquires the signal strength values obtained later, Sn=(Sn1, Sn2…SnK), K is
The quantity of locating base station, SniSignal strength values for characterizing n-th of label to be positioned that locating base station i is read.
9. device according to claim 8, which is characterized in that second determination unit is additionally operable to：
Obtain second group of signal strength values, wherein second group of signal strength values include that each locating base station is waited for each
Positioning label carries out signal strength and acquires the signal strength values obtained later；
The first matrix F is built based on first group of signal strength valuesn=(F1, F2…Fm), wherein FtIt include each positioning base
It stands and the signal strength values that signal strength acquisition obtains later, F is carried out to t-th of reference labelt=(Ft1, Ft2…FtK), K is fixed
The quantity of position base station, FtiSignal strength values for characterizing n-th of label to be positioned that locating base station i is read.
10. device according to claim 7, which is characterized in that the computing unit is additionally operable to：
Each European metric between the label to be positioned and each reference label is calculated using first formula,
Obtain the European metric group of target, wherein EjIndicate each European measurement between label to be positioned and j-th of reference label
Value, first formula are
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