CN107844722B - Cabinet jack positioning method based on fingerprint feature matching and device and system thereof - Google Patents
Cabinet jack positioning method based on fingerprint feature matching and device and system thereof Download PDFInfo
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- CN107844722B CN107844722B CN201610831417.1A CN201610831417A CN107844722B CN 107844722 B CN107844722 B CN 107844722B CN 201610831417 A CN201610831417 A CN 201610831417A CN 107844722 B CN107844722 B CN 107844722B
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- G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10079—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions
- G06K7/10089—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions the interrogation device using at least one directional antenna or directional interrogation field to resolve the collision
- G06K7/10099—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions the interrogation device using at least one directional antenna or directional interrogation field to resolve the collision the directional field being used for pinpointing the location of the record carrier, e.g. for finding or locating an RFID tag amongst a plurality of RFID tags, each RFID tag being associated with an object, e.g. for physically locating the RFID tagged object in a warehouse
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Abstract
The embodiment of the invention provides a cabinet jack positioning method based on fingerprint feature matching, a device and a system thereof. Meanwhile, the positioning method is simple and easy to realize, meets the requirement of the positioning precision of the jacks of the communication cabinet, and can improve the effectiveness and reliability of the positioning of the jacks of the communication cabinet to a great extent.
Description
Technical Field
The invention relates to the technical field of jack wireless positioning, in particular to a cabinet jack positioning method based on fingerprint feature matching and a device and a system thereof.
Background
In various applications such as communication and network, a communication cabinet is a very common device. In a communication cabinet, a positioning technology of a jack (e.g., a network cable jack, an optical fiber interface, etc.) is often used in the communication cabinet, and is a positioning method that facilitates quick positioning and maintenance by a maintenance worker in performing later maintenance service. At present, the common means is to stick paper labels or number on the network cable or optical fiber outside the jacks, and then realize the positioning of the jacks by manually inquiring the labels. This approach may be a good implementation for small cabinets, but for very large cabinets, it is very time consuming and resource inefficient to reuse.
Along with the popularization and use of radio frequency technology, radio frequency tags (RFID tags) have become physical carriers of electronic codes of products, are attached to goods to facilitate global circulation and carry out positioning identification on the goods, are characterized by short action distance, obtain signal data through non-contact communication, can quickly realize centimeter-level positioning accuracy according to the signal data, are low in cost and are paid attention to by virtue of the characteristics of non-contact, small volume and low cost.
Disclosure of Invention
The embodiment of the invention provides a cabinet jack positioning method and device based on fingerprint feature matching, and mainly solves the technical problem that the existing communication cabinet positioning method cannot solve the problems of high positioning efficiency and automation.
In order to solve the above technical problem, an embodiment of the present invention provides a method for locating a rack jack based on fingerprint feature matching, including:
taking the unique spatial position information of the radio frequency identification tag to which each jack belongs as the unique identification information of the jack;
determining fingerprint characteristic information of the radio frequency identification tags to which the jacks belong, and establishing a corresponding relation between unique identification information and the fingerprint characteristic information, wherein the fingerprint characteristic information is uniquely characterized by radio frequency signal parameters of the radio frequency identification tags read by N radio frequency identification reader-writer antennas at different positions, and N is a positive integer greater than or equal to 2;
determining unique spatial position information corresponding to the radio frequency identification tag to which the current jack belongs, and reading N radio frequency signal parameters corresponding to the position through the N radio frequency identification reader antennae at different positions;
and positioning according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
The embodiment of the invention also provides a cabinet jack positioning device based on fingerprint feature matching, which comprises: a setting module and a corresponding relation establishing module. Reading module and location module, wherein:
the setting module is used for taking the unique spatial position information of the radio frequency identification tag to which each jack belongs as the unique identification information of the jack;
the corresponding relation establishing module is used for determining the fingerprint characteristic information of the radio frequency identification tags to which the jacks belong and establishing the corresponding relation between the unique identification information and the fingerprint characteristic information, the fingerprint characteristic information is uniquely characterized by radio frequency signal parameters read by the radio frequency identification tags by N radio frequency identification reader-writer antennas at different positions, and N is a positive integer greater than or equal to 2;
the reading module is used for determining the unique spatial position information corresponding to the radio frequency identification tag to which the current jack belongs and reading N radio frequency signal parameters corresponding to the position through the N radio frequency identification reader antennas at different positions;
and the positioning module is used for positioning according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
The embodiment of the invention also provides a cabinet jack positioning system based on fingerprint feature matching, which comprises: the radio frequency identification tag, the processor, the detection unit and at least two radio frequency identification reader antennas are arranged at each jack position;
the detection unit is used for determining the unique spatial position information of the radio frequency identification tag at each jack position and taking the unique spatial position information as the unique identification information of the radio frequency identification tag;
the at least two radio frequency identification reader antennas are used for determining fingerprint characteristic information of the radio frequency identification tags of the jacks; reading N radio frequency signal parameters of the radio frequency identification tag to which the current jack belongs;
the processor is used for establishing a corresponding relation between the unique identification information of the radio frequency identification tags of the jacks and fingerprint characteristic information, the fingerprint characteristic information is uniquely characterized by radio frequency signal parameters read by the radio frequency identification tags by N radio frequency identification reader-writer antennas at different positions, and N is a positive integer greater than or equal to 2; and positioning according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
The embodiment of the invention also provides a computer storage medium, wherein a computer executable instruction is stored in the computer storage medium and is used for executing the cabinet jack positioning method based on fingerprint feature matching.
The invention has the beneficial effects that: according to the cabinet jack positioning method, the device, the system and the computer storage medium based on fingerprint feature matching, the unique identification information and the fingerprint feature information of the radio frequency identification tag to which each jack belongs are firstly determined, then the corresponding relation between the unique identification information and the fingerprint feature information is established, and when jack positioning is carried out, positioning processing is carried out according to the read N radio frequency signal parameters and the fingerprint feature information corresponding to the jacks by reading the N radio frequency signal parameters corresponding to the radio frequency identification tag to which the jacks belong; the method for positioning ensures the requirement of the positioning precision of the jack of the communication cabinet and greatly improves the effectiveness and reliability of the positioning of the jack of the communication cabinet; meanwhile, the positioning method is simple and easy to realize, positioning can be realized only by reading the radio frequency signal parameters of the radio frequency identification tags on the jacks and preset fingerprint characteristic information, and the high efficiency of positioning the jacks of the communication cabinet is realized.
Drawings
Fig. 1 is a flowchart of a cabinet jack positioning method based on fingerprint feature matching according to an embodiment of the present invention;
fig. 2 is another flowchart of a cabinet jack positioning method based on fingerprint feature matching according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the relationship between the antenna position of the RFID reader and the position of the RFID tag according to the present invention;
fig. 4 is a block diagram of a cabinet jack positioning device based on fingerprint feature matching according to an embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, fig. 1 is a flowchart of a cabinet jack positioning method based on fingerprint feature matching according to this embodiment. The communication cabinet in this embodiment includes a communication interface module, the communication interface module is provided with various jacks, such as a connection interface of a network cable, an optical fiber cable jack, and the like, and a detection unit of a radio frequency signal, the detection unit is specifically a radio frequency identification reader antenna, and a radio frequency identification tag is further provided at each jack position, the fast positioning of the jacks is realized by collecting the radio frequency signal generated by the radio frequency identification tag, and the efficiency of the communication cabinet for positioning the jacks is improved, the processing procedure of the jack positioning method based on the communication cabinet is as follows:
s101, determining unique identification information of the radio frequency identification tags to which the jacks belong, wherein the unique identification information can be unique spatial position information of planes on which the radio frequency identification tags on the jacks are located.
In this embodiment, a radio frequency identification tag is disposed at each jack, a unique corresponding relationship between the radio frequency identification tag and the jack is established, the position of the jack can be positioned by detecting the radio frequency identification tag, so as to facilitate the positioning and identification of the radio frequency identification tag, establishing a coordinate system on the plane where the jack and the radio frequency identification tag are located, selecting a certain radio frequency identification tag on the plane as the origin of the coordinate system, establishing a two-dimensional coordinate system on the basis of the jack, specifically, taking the radio frequency identification tag at a certain vertex in the communication cabinet as an origin point for convenience, establishing a two-dimensional coordinate system with the origin, numbering the positions of all the RFID tags on the plane through the coordinate system, the position number is the unique identification information of the corresponding rfid tag, and preferably, the unique spatial position information is the row position information and the column position information of the rfid tag to which each jack belongs, which are disposed on the same plane.
S102, determining the fingerprint characteristic information of the radio frequency identification tag to which each jack belongs, and establishing the corresponding relation between the unique identification information and the fingerprint characteristic information.
In this embodiment, the fingerprint feature information is uniquely represented by radio frequency signal parameters of the radio frequency identification tags, specifically, N (N is a positive integer greater than or equal to 2) radio frequency identification reader/writer antennas are arranged on the communication cabinet to read the radio frequency signal parameters of each radio frequency identification tag, the radio frequency signal parameters of the radio frequency identification tags read by the N radio frequency identification reader/writer antennas are used as the fingerprint feature information, and a corresponding relationship is established between the obtained fingerprint feature information and the unique identification information of the radio frequency identification tags, so that a corresponding relationship between the jacks and the fingerprint feature information is established.
In this embodiment, a radio frequency identification tag is placed at each jack position, a radio frequency signal parameter corresponding to the radio frequency identification tag on each jack in the communication cabinet is read from each radio frequency identification reader antenna, the radio frequency signal parameters read by N radio frequency identification reader antennas are taken as fingerprint feature information of the radio frequency identification tag on the jack, and the fingerprint feature information of one jack includes a vector of 1 × N-dimensional radio frequency signal parameters, that is, includes N radio frequency signal parameters, which are obtained by N radio frequency identification reader antennas respectively. Further, the establishing of the correspondence between the unique identification information and the fingerprint feature information may specifically be establishing of a correspondence between the unique identification information and each radio frequency signal parameter.
S103, determining the unique spatial position information corresponding to the radio frequency identification tag to which the current jack belongs, and reading N radio frequency signal parameters corresponding to the position through the N radio frequency identification reader antennas at different positions.
In this embodiment, the N different-position rfid reader antennas may be rfid reader antennas disposed at different positions on the same plane as the rfid tag to which each jack belongs, or may be rfid reader antennas disposed on a cartesian axis on the same plane.
In this embodiment, after the corresponding relationship between the jacks and the radio frequency signal parameters of the radio frequency identification tags is established in step S102, when a certain jack on the communication cabinet needs to be located, the radio frequency signal parameters of the radio frequency identification tag to which the current jack belongs are read by N radio frequency identification reader antennas on the communication cabinet, and the radio frequency signal parameters read by the N radio frequency identification reader antennas are collected to form a vector of 1 × N-dimensional radio frequency signal parameters.
And S104, positioning according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
In this embodiment, the fingerprint characteristic information corresponding to the jack is specifically compared with the radio frequency signal parameter of the radio frequency identification tag read by the radio frequency identification reader antenna on the current jack, and the specific position of the jack in the communication cabinet is determined according to the comparison result, so that the quick positioning is realized.
In this embodiment, the positioning according to the fingerprint feature information corresponding to the rfid tag to which the current jack belongs and the N radio frequency signal parameters may specifically be to obtain a vector of 1 × N radio frequency signal parameters of the current jack according to the N radio frequency signal parameters, then compare the vector of the 1 × N radio frequency signal parameters with the fingerprint feature information in the preset corresponding relationship of the jacks, and determine the specific position of the current jack according to the comparison result. Or the currently acquired N radio frequency signal parameters of the jack can be compared with N radio frequency signal parameters in the fingerprint characteristic parameters according to the currently acquired N radio frequency signal parameters, and the specific position of the current jack is determined according to the comparison result.
In this embodiment, the positioning process may also be to calculate a distance value through the currently acquired N radio frequency signal parameters and the N radio frequency signal parameters in the fingerprint feature information, determine the position relationship between the current jack and the origin according to the distance value to determine the specific position, or even calculate a coordinate value, and determine the specific position by directly querying a coordinate system according to the coordinate value.
In this embodiment, in step S102, the fingerprint feature information of the rfid tag to which each jack belongs is determined specifically by the following method:
the fingerprint characteristic information of each jack is obtained in a signal sampling mode, and the specific processing process is as follows:
step 1, setting the time duration of acquisition of each radio frequency identification writer antenna;
step 2, reading the radio frequency signal parameters of the radio frequency identification tags of the jacks by the radio frequency identification writer antennas arranged at different positions on the communication cabinet according to the set duration, preferably acquiring the parameters by acquiring an average value for multiple times;
and 3, calculating an average value according to the radio frequency signal parameters read for many times, wherein each radio frequency identification writer antenna calculates the average value, and the average value is used as the fingerprint characteristic information of the radio frequency identification label to which the corresponding jack belongs.
Preferably, the fingerprint feature information may also be a vector of 1 × N-dimensional radio frequency signal parameters formed by average values of the radio frequency signal parameters obtained by the antennas of the radio frequency identification writers, and the obtained vector of 1 × N-dimensional radio frequency signal parameters is used as the fingerprint feature information of the corresponding jack.
According to the cabinet jack positioning method based on fingerprint feature matching, the unique identification information and the fingerprint feature information of the radio frequency identification tag of each jack in the communication cabinet are obtained, the corresponding relation between the unique identification information and the fingerprint feature information of each jack is established, the effect of fast positioning and inquiring through the radio frequency tag can be achieved according to the corresponding relation between the position information and the radio frequency signal, and the positioning processing efficiency of the jacks is improved. Specifically, when jack positioning is carried out, positioning processing is carried out according to the read N radio frequency signal parameters and fingerprint characteristic information corresponding to the jacks by reading N radio frequency signal parameters corresponding to the radio frequency identification tags to which the current jacks belong, effectiveness and reliability of communication cabinet jack positioning are improved, meanwhile, the positioning method is simple and easy to realize, positioning processing efficiency is further improved, and consumption of human resources is reduced.
Example two:
in this embodiment, the cabinet jack positioning method based on fingerprint feature matching is further described in detail by combining a specific application scenario.
Referring to fig. 2 and 3, a flowchart of a cabinet jack positioning method based on fingerprint feature matching and a schematic diagram of a relationship between an antenna position of a Radio Frequency Identification (RFID) reader and a radio frequency identification tag (RFID tag) according to this embodiment are shown respectively.
In this embodiment, the cabinet jack positioning method based on fingerprint feature matching is used for determining jack positions in a communication cabinet. The communication cabinet comprises a radio frequency identification reader-writer, an antenna thereof, a radio frequency identification tag, a jack interface unit, a processor and the like, and the cabinet jack positioning method comprises the following steps:
and S201, attaching an RFID tag to each jack of the communication cabinet to ensure that the position of each RFID tag is fixed, wherein the RFID tag is preferably attached to a plug of a network cable or an optical fiber cable in the jack interface unit, so that the RFID tag and the jack are on the same plane and the positions of the RFID tag and the jack are relatively fixed.
S202, p RFID reader-writer antennas are arranged on the periphery of the communication cabinet, and p is a positive integer greater than or equal to 2.
In this step, the p RFID reader antennas are disposed on the same plane as the jack and the RFID tag, and the setting principle is as follows: the plane where all the RFID reader antennas are located is enabled to coincide with the plane where the RFID tags placed on the jacks of the communication cabinet are located, and the radio frequency signal parameters of each RFID tag can be obtained by each RFID reader antenna under the condition that the directional diagram of each RFID reader antenna can cover all the RFID tags to be detected. Generally, p RFID reader antennas can be sequentially placed at equal intervals clockwise (or counterclockwise) along the periphery of the communication cabinet, and the placement positions of all the RFID reader antennas are recorded. The number of the RFID reader-writer antennas is not required to be equal to that of the RFID labels to be detected, and the RFID reader-writer antennas are not required to correspond to the RFID labels to be detected one by one.
S203, establishing an XOY two-dimensional coordinate by using a plane where the RFID reader-writer antenna is located, preferably, the plane is a communication cabinet jack or a plane where the placed RFID tag is located.
In this embodiment, when an XOY two-dimensional coordinate is established, a certain center point of an RFID reader antenna located at an apex angle of a communication cabinet is selected as an origin O of a two-dimensional coordinate plane, and two directions parallel to a frame of the communication cabinet are simultaneously and respectively selected as an X axis and a Y axis of the two-dimensional coordinate plane, assuming that the total number of the RFID reader antennas is set to be P, the RFID reader antenna placed at the origin of the coordinate is numbered as an antenna 1, and then other RFID reader antennas are sequentially numbered as an antenna 2, an antenna 3, a.
And S204, numbering each RFID tag and each RFID reader-writer antenna respectively, and recording the corresponding relation between each RFID tag and the jack of the communication cabinet and the relative position relation between each RFID reader-writer antenna and the jack of the communication cabinet.
In this embodiment, based on the positions of the RFID reader antennas and the positions of the jacks arranged inside the communication cabinet, the positions of each RFID reader antenna and each jack are respectively numbered, an RFID tag is placed at each jack position, and the corresponding relationship between each RFID tag and each jack is recorded (or a corresponding table is established), so as to identify the position of the RFID tag. The RFID jack and RFID label position numbering method comprises the following steps: arranging M rows and N columns of communication cabinet jacks (corresponding to M rows and N columns of tags) on a plane in total, numbering the RFID tags at the leftmost upper corner as L (1, 1), and numbering the RFID tags at the uppermost row as L (1, 1), L (1, 2) and L (1, N) from left to right in sequence; the RFID tags in the second row are numbered L (2, 1), L (2, 2),. multidot.gtoreq.L (2, N) from left to right in sequence; by analogy, the last row of RFID tags are numbered as L (M, 1), L (M, 2),. and L (M, N) in sequence, and the specific numbers are as shown in fig. 3.
S205, collecting fingerprint characteristic information of the RFID tags on the jacks, wherein preferably, the fingerprint characteristic information is uniquely characterized by the radio frequency signal parameters of the radio frequency identification tags.
In this embodiment, under the condition of ensuring that the positions of the RFID reader antenna and the RFID tag are fixed, the continuous sampling in one section is readCollecting radio frequency signal parameters R of each RFID label read by each RFID reader-writer antenna within time p，m，n And (T) indicating the radio frequency signal parameter of the RFID tag with the number L (M, N) read by the P-th reader-writer antenna at the time T, where P is 1, 2,., P is the number of the RFID reader-writer antenna, M is 1, 2,., M is the number of rows of the RFID tag, N is 1, 2,., N is the number of columns of the RFID tag, T is 1, 2,.., and T is the sampling time of the RFID reader-writer, where T is the total sampling times.
And S206, establishing a corresponding relation between the RFID label of each jack and the fingerprint characteristic information.
After the collection is completed in step S205, a fingerprint feature information base is established for the jack position (or the RFID tag position) of the communication cabinet corresponding to each RFID tag, as follows: f (1, 1), F (1, 2),.., F (1, N); f (2, 1), F (2, 2),.., F (2, N); ...; f (M, 1), F (M, 2),.., F (M, N). Each fingerprint feature information F (m, n) is formed by a row vector of radio frequency signal parameters in 1 × P dimensions, i.e., F (m, n) ═ F 1 (m，n)，F 2 (m，n)，...，F P (m，n)]Wherein, the numerical value of the element is the average value of multiple sampling, and the calculation formula is as follows:
and S207, reading the radio frequency signal parameters of the current jack of the communication cabinet, and performing positioning processing according to the radio frequency signal parameters and the corresponding fingerprint characteristic information.
In this embodiment, for example, for a certain RFID tag L (m ', n') to be located, it is necessary to determine the corresponding jack position in the entire communication cabinet, that is, the number of rows and columns of jacks where the RFID tag L (m ', n') is located. Reading out radio frequency signal parameter R obtained by P RFID reader-writer antennas 1，m’，n’ 、R 2，m’，n’ 、...、R p，m’，n’ Wherein R is p，m’，n’ (P is 1, 2, is, P) corresponds to the radio frequency signal parameter read by the P-th RFID reader antenna, and the read radio frequency signal parameter is readRadio frequency signal parameter R p，m’，n’ And comparing with the corresponding fingerprint characteristic information F (m, n), and determining the specific position of the jack according to the comparison result.
In this embodiment, preferably, when the RFID tag L (m ', n') to be located is located, the radio frequency signal parameters R of the jacks read by the p RFID reader antennas are respectively calculated p，m’，n’ The distance between the distance and the fingerprint characteristic information F (m, n) of each jack is calculated to obtain the radio frequency signal parameter R p，m’，n’ Comparing the distance with the fingerprint feature information F (m, n) of each jack to obtain the smallest distance, and determining the positioning result of the RFID label L (m ', n') to be the corresponding (m ', n') at the position reaching the minimum distance opt And coordinate values are obtained, so that jack positioning of the communication cabinet is realized, and a calculation formula of a distance value is as follows:
according to the cabinet jack positioning method provided by the embodiment, a two-dimensional positioning coordinate is established according to the relationship between the positions of the RFID reader-writer antennas arranged in the communication cabinet and the jacks, and the average value of the radio frequency signal parameters of the RFID tags fixed at the positions of the jacks is read at the positions of the RFID reader-writer antennas, so that the radio frequency signal parameters of the RFID tags corresponding to the positions of the jacks are established. In the positioning process, the radio frequency signal parameters of the collected RFID labels and the corresponding fingerprint characteristic information are positioned. The positioning method is simple and easy to realize, solves the problem that the existing communication cabinet intensive jack positioning cannot achieve high efficiency and automation, and improves the positioning processing efficiency, the positioning precision and the positioning reliability.
Example three:
referring to fig. 4, fig. 4 is a block diagram of a structure of a cabinet jack positioning device based on fingerprint feature matching according to an embodiment of the present invention.
The cabinet jack positioning device 4 based on fingerprint feature matching in this embodiment includes: a setting module 41, a corresponding relationship establishing module 42, a reading module 43, and a positioning module 44, wherein:
the setting module 41 is configured to use unique spatial position information of the rfid tag to which each jack belongs as unique identification information of the jack.
In this embodiment, the rfid tag and the jack disposed on the communication cabinet may be devices disposed on the same plane, or may be devices disposed on different planes. Preferably, in this embodiment, the unique identification information is relative position information of each rfid tag with respect to a reference object, specifically, a two-dimensional coordinate system is established with a plane where the rfid tag is located, the unique spatial position information of the rfid tag is a coordinate value formed by an X axis and a Y axis of the rfid tag in the coordinate system, all jacks of the communication cabinet are numbered according to the coordinate system, since the rfid tag and the jacks are located on the same plane, the number of the jack is the number of the rfid tag, and the specific unique spatial position information is row position information and column position information of the rfid tag where each jack belongs, which is located on the plane of the coordinate system. .
In this embodiment, for convenience of numbering, it is preferable to select a center point of an antenna of an RFID reader located at a vertex angle of the communication cabinet as an origin O of the two-dimensional coordinate plane, and select two directions parallel to a frame of the communication cabinet as an X axis and a Y axis of the two-dimensional coordinate plane. Each RFID tag is numbered according to its position on the XOY two-dimensional coordinate plane. Assuming that M rows and N columns of jacks of the communication cabinet are arranged on a plane in total (corresponding to M rows and N columns of tags), the RFID tag at the leftmost upper corner is numbered as L (1, 1), and the RFID tag at the uppermost row is numbered as L (1, 1), L (1, 2),.., L (1, N) from left to right in sequence; the RFID tags in the second row are numbered L (2, 1), L (2, 2),. multidot.gtoreq.L (2, N) from left to right in sequence; by analogy, the last row of RFID tags is numbered L (M, 1), L (M, 2),.. and L (M, N) in sequence.
The corresponding relation establishing module 42 is configured to determine fingerprint feature information of the radio frequency identification tag to which each jack belongs, and establish a corresponding relation between unique identification information and the fingerprint feature information, where the fingerprint feature information is uniquely represented by radio frequency signal parameters of the radio frequency identification tag read by N radio frequency identification reader/writer antennas at different positions, and N is a positive integer greater than or equal to 2.
In this embodiment, the N different-position rfid reader antennas are rfid reader antennas disposed at different positions on the same plane as the rfid tag to which each jack belongs, or rfid reader antennas disposed on a cartesian axis on the same plane.
In this embodiment, assuming that the total number of the RFID reader antennas arranged in the communication cabinet is P, all the antennas are fixedly placed on an XOY two-dimensional coordinate plane, and are numbered as 1, 2, 1.
In this embodiment, the corresponding relationship establishing module 42 includes: the sampling submodule is used for reading the radio frequency signal parameters of the radio frequency identification tags of the jacks at different positions by the radio frequency identification reader-writer antennae in a continuous sampling time; and taking the average value of the radio frequency signal parameters read for many times as the fingerprint characteristic information of the radio frequency identification tag to which the corresponding jack belongs.
Specifically, when collecting the fingerprint feature information of the rfid tag of each jack, the sampling sub-module reads the rf signal parameters of the rfid tag to which each jack belongs for multiple times through P different rfid reader antennas, and uses the average value of the rf signal parameters read for multiple times as the fingerprint feature information of the rfid tag to which the corresponding jack belongs, preferably, the fingerprint feature information may further include a vector of the rf signal parameters in 1 × P dimension formed by the average values of the rf signal parameters read by the P rfid reader antennas. The corresponding relation establishing module 42 establishes a one-to-one corresponding relation between the read fingerprint feature information and the unique identification information of the jacks.
And the reading module 43 is configured to determine unique spatial position information corresponding to the radio frequency identification tag to which the current jack belongs, and read N radio frequency signal parameters corresponding to the position through the N radio frequency identification reader antennas at different positions.
In this embodiment, after the corresponding relationship between the jacks and the radio frequency signal parameters of the radio frequency identification tags is established in step S102, when a certain jack on the communication cabinet needs to be located, the radio frequency signal parameters of the radio frequency identification tag to which the current jack belongs are read by N radio frequency identification reader antennas on the communication cabinet, and the radio frequency signal parameters read by the N radio frequency identification reader antennas are collected to form a vector of 1 × N-dimensional radio frequency signal parameters.
Specifically, the position of each RFID reader antenna relative to the communication cabinet is kept unchanged, the radio frequency signal parameter of each RFID reader antenna relative to a certain RFID label to be positioned is read, during reading, the average value is calculated according to the radio frequency signal parameters read for multiple times by each RFID reader antenna within a continuous sampling time, and the average value is used as the fingerprint characteristic information of the jack to be compared with the fingerprint characteristic information in the preset corresponding relation.
And the positioning module 44 is configured to perform positioning processing according to the fingerprint feature information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
In this embodiment, the fingerprint characteristic information corresponding to the jack is specifically compared with the radio frequency signal parameter of the radio frequency identification tag read by the radio frequency identification reader antenna on the current jack, and the specific position of the jack in the communication cabinet is determined according to the comparison result, so that the quick positioning is realized.
In this embodiment, the positioning according to the fingerprint feature information corresponding to the rfid tag to which the current jack belongs and the N radio frequency signal parameters may specifically be to obtain a vector of 1 × N radio frequency signal parameters of the current jack according to the N radio frequency signal parameters, then compare the vector of the 1 × N radio frequency signal parameters with the fingerprint feature information in the preset corresponding relationship of the jacks, and determine the specific position of the current jack according to the comparison result. Or the currently acquired N radio frequency signal parameters of the jack can be compared with N radio frequency signal parameters in the fingerprint characteristic parameters according to the currently acquired N radio frequency signal parameters, and the specific position of the current jack is determined according to the comparison result.
In this embodiment, the radio frequency identification tag is used to realize fast positioning of the jack, and the principle of positioning by the radio frequency identification tag is as follows: the RFID signal parameters read by the RFID reader-writer can be changed correspondingly along with the change of the distance between the reader-writer and the radio frequency tag theoretically, and the radio frequency signals of the radio frequency identification tag have one-to-one correspondence with the distance, so that the distance measurement and the positioning can be realized. Therefore, the positioning processing can also be realized by reading the radio frequency signal parameter of each RFID reader-writer antenna for a certain RFID label to be positioned, comparing the radio frequency signal parameter with the fingerprint characteristic information in the established corresponding relation, calculating the distance value between the fingerprint characteristic information of each jack and the radio frequency signal parameter of the RFID label to be positioned, and selecting the minimum distance value from all the distance values, namely the final positioning result.
In this embodiment, the functions implemented by the modules may also be implemented by a processor and a memory in a communication cabinet, specifically, a detection module in the communication cabinet detects radio frequency signals of the radio frequency identification tags on each jack in real time, and the processor compares and calculates the radio frequency signals of the jacks detected by the detection module with preset fingerprint feature information stored in a corresponding relationship in the memory, so as to implement location processing of the jacks, and after obtaining specific location information of the jacks, the processor controls the display lamps on corresponding jack locations to be turned on, and marks the specific locations of the jacks.
Correspondingly, the invention also provides a cabinet jack positioning system based on fingerprint feature matching, which comprises: the radio frequency identification tag, the processor, the detection unit and at least two radio frequency identification reader antennas are arranged at each jack position;
the detection unit is used for determining the unique spatial position information of the radio frequency identification tag at each jack position and taking the unique spatial position information as the unique identification information of the radio frequency identification tag;
the at least two radio frequency identification reader-writer antennas are used for determining fingerprint characteristic information of the radio frequency identification tags of the jacks; reading N radio frequency signal parameters of the radio frequency identification tag to which the current jack belongs;
the processor is used for establishing a corresponding relation between the unique identification information of the radio frequency identification tags of the jacks and fingerprint characteristic information, the fingerprint characteristic information is uniquely characterized by radio frequency signal parameters read by the radio frequency identification tags by N radio frequency identification reader-writer antennas at different positions, and N is a positive integer greater than or equal to 2; and positioning according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
In summary, according to the cabinet jack positioning method based on fingerprint feature matching, the device and the system thereof provided by the invention, by determining the unique identification information and the fingerprint feature information of the rfid tag to which each jack belongs, and then establishing the corresponding relationship between the unique identification information and the fingerprint feature information, when jack positioning is performed, positioning processing is performed according to the read N rf signal parameters and the fingerprint feature information corresponding to the jacks by reading the N rf signal parameters corresponding to the rfid tag to which the jack belongs, so that the problem that the existing communication cabinet positioning method cannot realize quick positioning and automation is solved, and the positioning processing efficiency of the jacks of the communication cabinet is improved. The positioning method is simple and easy to realize, positioning can be realized only by reading the radio frequency signal parameters of the radio frequency identification tags on the jacks and preset fingerprint characteristic information, and the effectiveness and reliability of positioning the jacks of the cabinet can be improved to a great extent while the requirement on the positioning accuracy of the jacks of the cabinet is met.
It will be apparent to those skilled in the art that the modules or steps of the embodiments of the invention described above may be implemented in a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented in program code executable by a computing device, such that they may be stored on a computer storage medium (ROM/RAM, magnetic disk, optical disk) and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (11)
1. A cabinet jack positioning method based on fingerprint feature matching is characterized by comprising the following steps:
taking the unique spatial position information of the radio frequency identification tag to which each jack belongs as the unique identification information of the jack;
determining fingerprint characteristic information of the radio frequency identification tags to which the jacks belong, and establishing a corresponding relation between unique identification information and the fingerprint characteristic information, wherein the fingerprint characteristic information is uniquely characterized by radio frequency signal parameters of the radio frequency identification tags read by N radio frequency identification reader-writer antennas at different positions, and N is a positive integer greater than or equal to 2;
determining unique spatial position information corresponding to the radio frequency identification tag to which the current jack belongs, and reading N radio frequency signal parameters of the radio frequency identification tag to which the current jack belongs through the N radio frequency identification reader antennae at different positions;
and carrying out positioning processing according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
2. The cabinet jack positioning method based on fingerprint feature matching according to claim 1, wherein the determining the fingerprint feature information of the rfid tag to which each jack belongs comprises:
in a period of continuous sampling time, the radio frequency identification reader-writer antennas at different positions respectively read the radio frequency signal parameters of the radio frequency identification tags of the jacks for multiple times;
and taking the average value of the radio frequency signal parameters read for many times as the fingerprint characteristic information of the radio frequency identification tag to which the corresponding jack belongs.
3. The cabinet jack positioning method based on fingerprint feature matching according to claim 1 or 2, wherein the unique spatial position information is row position information and column position information of radio frequency identification tags to which jacks are arranged on the same plane.
4. The cabinet jack positioning method based on fingerprint feature matching according to claim 3, wherein the N different-position RFID reader antennas are RFID reader antennas disposed at different positions on the same plane as the RFID tags to which the jacks belong.
5. The cabinet jack positioning method based on fingerprint feature matching of claim 4, wherein the N different position RFID reader antennas are RFID reader antennas disposed on a cartesian axis on the same plane.
6. A cabinet jack positioning device based on fingerprint feature matching comprises:
the setting module is used for taking the unique spatial position information of the radio frequency identification tag to which each jack belongs as the unique identification information of the jack;
the corresponding relation establishing module is used for determining the fingerprint characteristic information of the radio frequency identification tags to which the jacks belong and establishing the corresponding relation between the unique identification information and the fingerprint characteristic information, the fingerprint characteristic information is uniquely characterized by radio frequency signal parameters read by the radio frequency identification tags by N radio frequency identification reader-writer antennas at different positions, and N is a positive integer greater than or equal to 2;
the reading module is used for determining the unique spatial position information corresponding to the radio frequency identification tag to which the current jack belongs and reading N radio frequency signal parameters of the radio frequency identification tag to which the current jack belongs through the N radio frequency identification reader antennae at different positions;
and the positioning module is used for positioning according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
7. The fingerprint feature matching based cabinet jack positioning device of claim 6, wherein the correspondence establishing module comprises: a sampling submodule;
the sampling submodule is used for reading the radio frequency signal parameters of the radio frequency identification tags of the jacks at different positions by the radio frequency identification reader-writer antennae in a continuous sampling time; and taking the average value of the radio frequency signal parameters read for many times as the fingerprint characteristic information of the radio frequency identification tag to which the corresponding jack belongs.
8. The cabinet jack positioning device based on fingerprint feature matching according to claim 6 or 7, wherein the unique spatial position information is row position information and column position information of radio frequency identification tags to which jacks belong, and the jacks are arranged on the same plane.
9. The cabinet jack positioning device based on fingerprint feature matching of claim 8, wherein the N different-position rfid reader antennas are rfid reader antennas disposed at different positions on the same plane as the rfid tag to which each jack belongs.
10. The cabinet jack positioning device based on fingerprint feature matching of claim 9, wherein the N different position rfid reader antennas are rfid reader antennas disposed on a cartesian axis on the same plane.
11. A cabinet jack positioning system based on fingerprint feature matching, comprising: the radio frequency identification tag, the processor, the detection unit and at least two radio frequency identification reader antennas are arranged at each jack position;
the detection unit is used for determining the unique spatial position information of the radio frequency identification tag at each jack position and taking the unique spatial position information as the unique identification information of the radio frequency identification tag;
the at least two radio frequency identification reader antennas are used for determining fingerprint characteristic information of the radio frequency identification tags of the jacks; reading N radio frequency signal parameters of the radio frequency identification tag to which the current jack belongs;
the processor is used for establishing a corresponding relation between the unique identification information of the radio frequency identification tags of the jacks and fingerprint characteristic information, the fingerprint characteristic information is uniquely characterized by radio frequency signal parameters read by the radio frequency identification tags by N radio frequency identification reader-writer antennas at different positions, and N is a positive integer greater than or equal to 2; and positioning according to the fingerprint characteristic information corresponding to the radio frequency identification tag to which the current jack belongs and the N radio frequency signal parameters.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131432A (en) * | 2007-09-18 | 2008-02-27 | 澳门科技大学 | Positioning method for wireless radio frequency recognition system and device thereof |
| CN104796980A (en) * | 2015-03-10 | 2015-07-22 | 合肥工业大学 | WLAN indoor positioning calibration method suitable for different types of intelligent terminals |
| CN105158733A (en) * | 2015-09-29 | 2015-12-16 | 上海十贝电子科技有限公司 | Machine cabinet positioning system and positioning method |
-
2016
- 2016-09-19 CN CN201610831417.1A patent/CN107844722B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131432A (en) * | 2007-09-18 | 2008-02-27 | 澳门科技大学 | Positioning method for wireless radio frequency recognition system and device thereof |
| CN104796980A (en) * | 2015-03-10 | 2015-07-22 | 合肥工业大学 | WLAN indoor positioning calibration method suitable for different types of intelligent terminals |
| CN105158733A (en) * | 2015-09-29 | 2015-12-16 | 上海十贝电子科技有限公司 | Machine cabinet positioning system and positioning method |
Non-Patent Citations (1)
| Title |
|---|
| Fingerprint Positioning Method of Satellite Signal Based on Probability Distribution;Li Yang等;《Springer Singapore》;20160427;全文 * |
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