CN113205682A - Method for determining travel track, electronic device and storage medium - Google Patents
Method for determining travel track, electronic device and storage medium Download PDFInfo
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- CN113205682A CN113205682A CN202110451557.7A CN202110451557A CN113205682A CN 113205682 A CN113205682 A CN 113205682A CN 202110451557 A CN202110451557 A CN 202110451557A CN 113205682 A CN113205682 A CN 113205682A
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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Abstract
The application discloses a method for determining a travel track, electronic equipment and a storage medium, wherein the method for determining the travel track comprises the following steps: determining a set reference point passed by the terminal from at least one set of set reference point sequence based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point; each set of set reference point sequence comprises a plurality of set reference points arranged on a corresponding set traffic line; and determining the travel track of the terminal based on the determined position information corresponding to the set reference point.
Description
Technical Field
The present application relates to the field of communications, and in particular, to a method for determining a travel trajectory, an electronic device, and a storage medium.
Background
In the related technology, after a passenger gets on the bus, a mobile phone scans a travel code on the bus to report a riding record, and a server determines a riding track of the passenger according to the riding record reported by the mobile phone, but when the passenger fails to report the riding record, the determined riding track is inaccurate.
Disclosure of Invention
In view of this, it is desirable to provide a method, an electronic device, and a storage medium for determining a travel track, so as to solve the technical problem in the related art that a determined travel track is inaccurate due to missing of a travel record by a passenger.
In order to achieve the purpose, the technical scheme of the application is realized as follows:
the embodiment of the application provides a method for determining a travel track, which comprises the following steps:
determining a set reference point passed by the terminal from at least one set of set reference point sequence based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point; each set of set reference point sequence comprises a plurality of set reference points arranged on a corresponding set traffic line;
and determining the travel track of the terminal based on the determined position information corresponding to the set reference point.
In the foregoing solution, the determining, from at least one set of reference point sequences, a set reference point through which the terminal passes based on the first radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information corresponding to the set reference point includes:
determining a first set reference point matched with the current position of the terminal based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to each set reference point;
determining at least one set of first set reference point sequences from the at least one set of set reference point sequences; the first set reference point sequence is a set reference point sequence containing the first set reference point;
and determining the set reference point passed by the terminal from at least one group of first set reference point sequences.
In the foregoing solution, when determining the set reference point passed by the terminal from at least one group of first set reference point sequences, the method includes:
matching third radio frequency fingerprint information acquired by the terminal with second radio frequency fingerprint information corresponding to at least one second set reference point; the acquisition time corresponding to the third radio frequency fingerprint information is later than the acquisition time corresponding to the first radio frequency fingerprint information; the second set reference point is a set reference point adjacent to the first set reference point in the at least one group of first set reference point sequences;
determining a third set reference point as a set reference point passed by the terminal; the third set reference point is a second set reference point at which corresponding second radio frequency fingerprint information is most matched with the third radio frequency fingerprint information in the at least one second set reference point.
In the above scheme, the method further comprises:
determining a traveling direction of the terminal based on the determined set reference point through which the terminal passes;
and determining the second set reference point from the set reference points adjacent to the first set reference point position in the at least one group of first set reference point sequences based on the traveling direction of the terminal.
In the above scheme, the method further comprises:
determining a set reference point passed by the terminal by the following method:
determining the similarity between the radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point;
determining a fourth set reference point as a set reference point passed by the terminal; the fourth set reference point represents the set reference point corresponding to the second radio frequency fingerprint information corresponding to the determined maximum similarity; the maximum similarity is greater than a first set threshold.
In the above scheme, the method further comprises:
and acquiring first radio frequency fingerprint information acquired by the terminal under the condition that the terminal enters a set traffic line.
In the above scheme, the similarity of at least one item of radio frequency fingerprint information between every two adjacent set reference points in each set of set reference point sequence is smaller than a second set threshold.
An embodiment of the present application further provides an electronic device, including:
the first determining unit is used for determining a set reference point passed by the terminal from at least one set of set reference point sequence based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point; each set of set reference point sequence comprises a plurality of set reference points arranged on a corresponding set traffic line;
and the second determining unit is used for determining the travel track of the terminal based on the determined position information corresponding to the set reference point.
An embodiment of the present application further provides an electronic device, including: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of determining an occurrence trajectory when running the computer program.
The embodiment of the present application further provides a storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the method for determining an occurrence track.
In the embodiment of the application, the database stores second radio frequency fingerprint information and corresponding position information of each set reference point in at least one set of set reference point sequences, and each set of set reference point sequences comprises a plurality of set reference points arranged on a corresponding set traffic line; the method comprises the steps that electronic equipment obtains first radio frequency fingerprint information collected by a terminal, and a set reference point passed by the terminal is determined from at least one set of set reference point sequence based on the first radio frequency fingerprint information collected by the terminal and second radio frequency fingerprint information of the set reference point stored in a database; and determining the travel track of the terminal based on the determined position information corresponding to the set reference point. According to the scheme, the terminal can independently collect the radio frequency fingerprint information, the electronic equipment can accurately determine the track of the terminal based on the radio frequency fingerprint information collected by the terminal, and compared with the prior art, a user does not need to report a riding record through a terminal scanning travel code, so that the situation that the determined riding track is inaccurate due to the fact that a passenger fails to report the riding record can be avoided, and the accuracy of the determined travelling track is improved.
Drawings
Fig. 1 is a schematic flow chart illustrating an implementation of a method for determining a travel trajectory according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a reference point setting provided in the embodiment of the present application;
FIG. 3 is a schematic diagram of a reference point setting method according to another embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a reference point setting provided in another embodiment of the present application;
fig. 5 is an interaction diagram of a method for determining a travel trajectory according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 7 is a schematic diagram of a hardware component structure of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solution of the present application is further described in detail with reference to the drawings and specific embodiments of the specification.
Fig. 1 is a schematic view of an implementation process of a method for determining a travel track according to an embodiment of the present application, where an execution subject of the process is an electronic device such as a terminal and a server, and the terminal includes a mobile phone, a tablet, and the like. As shown in fig. 1, the method for determining a travel trajectory includes:
step 101: determining a set reference point passed by the terminal from at least one set of set reference point sequence based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point; each set of reference point setting sequence comprises a plurality of reference points which are arranged on a corresponding set traffic line.
The set traffic line corresponds to at least one set of set reference point sequences, each set of set reference point sequences comprises at least one set reference point sequence, and each set reference point sequence comprises a plurality of set reference points arranged on the corresponding set traffic line. That is to say, a plurality of set reference points included in each set of set reference Point sequences are set along corresponding stations for setting traffic lines, and the set reference points include base stations and may also include Wireless Access Points (APs). The set traffic route includes at least one of a high-speed route and a rail traffic route. The rail transit line comprises at least one of a subway line, a high-speed railway line and a light rail line. In practical application, when the traffic line is set as a subway line, as shown in fig. 2 and 3, the set reference points are set along the subway track, the number of the set reference points set near the track between two subway stations is determined by the length of the subway track and the wireless environment in the subway channel, and the radio frequency fingerprint information of every two adjacent set reference points in each set of set reference point sequence has obvious difference.
In practical application, when a traffic line is set as a highway, under the condition that one highway usually comprises two lanes in different driving directions at the same time, a set of set reference point sequences corresponding to each highway comprises a set reference point sequence; under the condition that one expressway usually only comprises a lane in one driving direction, a group of set reference point sequences corresponding to each expressway comprises two set reference point sequences; when the traffic lines are set to be rail traffic lines, because the running tracks corresponding to different running directions are different, a group of set reference point sequences corresponding to each rail traffic line comprises two set reference point sequences, and each set reference point sequence corresponds to one running direction of the rail traffic line.
In practical application, the electronic equipment acquires first radio frequency fingerprint information acquired by a terminal, and determines a set reference point through which the terminal passes from at least one set of set reference point sequence based on the first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point.
In order to reduce the power consumption of the electronic device, in some embodiments, the first radio frequency fingerprint information collected by the terminal is acquired when the terminal enters a set traffic line.
In practical application, when the electronic equipment is a terminal, the terminal collects first radio frequency fingerprint information under the condition that the terminal detects that the electronic equipment currently enters a set traffic line; when the electronic equipment is a server, the server acquires first radio frequency fingerprint information acquired by the terminal when detecting that the terminal enters a set traffic line. Wherein the content of the first and second substances,
the electronic device can detect whether the terminal enters the set traffic line in the following way:
detecting whether the terminal enters a set traffic line or not based on first positioning information of the terminal and second positioning information of each station on the set traffic line; the method comprises the steps that when second positioning information matched with first positioning information is found from second positioning information of each station on a set traffic line, a representation terminal enters the set traffic line;
detecting whether the terminal enters a set traffic line or not based on radio frequency fingerprint information acquired by the terminal and radio frequency fingerprint information corresponding to each station on the set traffic line; the method comprises the steps that when radio frequency fingerprint information matched with radio frequency fingerprint information collected by a terminal is found from radio frequency fingerprint information corresponding to stations on a set traffic line, the terminal is represented to enter the set traffic line;
detecting whether the terminal enters a set traffic line or not through a setting application; the method comprises the steps that when the situation that the terminal triggers the station entering operation through a set application is detected, the terminal is represented to enter a set traffic line; the setting application includes at least one of: a two-dimensional code-based riding application, a Near Field Communication (NFC) -based riding application, and an Electronic Toll Collection (ETC). The ride application may be an installation-free, fast application or an application that requires installation.
It should be noted that the method for detecting whether the terminal enters the set traffic route is not limited to the above three methods, and whether the terminal enters the set traffic route may be determined by other methods for detecting whether the terminal enters the station.
The implementation process of determining the set reference point passed by the terminal from at least one set of set reference point sequence based on the first radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information corresponding to the set reference point is as follows:
in some embodiments, when the electronic device acquires first radio frequency fingerprint information acquired by a terminal, the electronic device determines a set reference point corresponding to each piece of first radio frequency fingerprint information according to the following method to obtain each set reference point passed by the terminal, so as to obtain all set reference points passed by the terminal: and determining second radio frequency fingerprint information which is most matched with the first radio frequency fingerprint information based on the first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information which corresponds to the set reference point in the at least one group of set reference point sequences, and determining the set reference point which corresponds to the determined second radio frequency fingerprint information which is most matched as the set reference point passed by the terminal.
In some embodiments, the electronic device may also determine the set reference point that the terminal passes through by: determining a set traffic line where the terminal is located, and determining at least one set of set reference point sequence corresponding to the set traffic line where the terminal is located from the at least one set of set reference point sequence; and determining a set reference point through which the terminal passes based on the first radio frequency fingerprint information acquired by the terminal and based on the second radio frequency fingerprint information corresponding to the set reference point in the determined at least one set of set reference point sequence. Wherein, the at least one group of reference point setting sequences corresponding to the traffic route setting where the terminal is located comprises: the terminal is located in a set reference point sequence corresponding to a first set traffic line, and the terminal comprises a set reference point sequence corresponding to a second set traffic line of a station on the first set traffic line. The electronic equipment determines the set traffic line where the terminal is located by any one of the following modes:
determining a station where the terminal is located based on first positioning information of the terminal and second positioning information of each station on a set traffic line, and determining the set traffic line to which the station where the terminal is located belongs as the set traffic line to which the terminal is located;
and determining the set traffic route to which the station where the terminal is located belongs as the set traffic route to which the terminal is located based on the first radio frequency fingerprint information acquired by the terminal and the radio frequency fingerprint information corresponding to each station on the set traffic route.
In some embodiments, the electronic device determines, when determining at least one set of set reference point sequences corresponding to a set traffic line in which the terminal is located, a set reference point through which the terminal passes for the first time based on first radio frequency fingerprint information acquired by the terminal and based on second radio frequency fingerprint information corresponding to the set reference point in the determined at least one set of set reference point sequences; whether the terminal is out of the station is detected, the station where the terminal is out of the station is determined under the condition that the terminal is detected to be out of the station, and all the set reference points where the terminal passes are determined based on at least one set of set reference point sequence corresponding to the set traffic line where the terminal is located, the set reference point where the terminal passes for the first time and the set reference point corresponding to the station where the terminal is out of the station. In practical application, the terminal can be determined to enter or exit by monitoring the set application.
In some embodiments, the terminal detects whether the terminal is out of the station through the setting application, and when the terminal detects that the terminal is out of the station, the terminal stops collecting the radio frequency fingerprint information, and the electronic device may determine, based on the radio frequency fingerprint information collected by the terminal last time and based on second radio frequency fingerprint information of a set reference point in at least one set of set reference point sequences corresponding to a set traffic line in which the terminal is located, a set reference point that the terminal passes through last from the at least one set of set reference point sequences corresponding to the set traffic line in which the terminal is located; the electronic device may determine all the set reference points that the terminal passes through from at least one set of set reference point sequences corresponding to the set traffic line where the terminal is located based on the set reference point that the terminal passes through for the first time and the set reference point that the terminal passes through for the last time.
In order to reduce the amount of computation and improve the efficiency of determining the reference point passed by the terminal, in some embodiments, the determining the set reference point passed by the terminal from at least one set of set reference point sequences based on the first radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information corresponding to the set reference point includes:
determining a first set reference point matched with the current position of the terminal based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to each set reference point;
determining at least one set of first set reference point sequences from the at least one set of set reference point sequences; the first set reference point sequence is a set reference point sequence containing the first set reference point;
and determining the set reference point passed by the terminal from at least one group of first set reference point sequences.
Here, the current position of the terminal represents a position where the terminal is located when the terminal collects the first radio frequency fingerprint information.
The electronic equipment determines the similarity between first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to each set reference point, and determines a set reference point corresponding to the second radio frequency fingerprint information most similar to the first radio frequency fingerprint information as a first set reference point matched with the current position of the terminal; and determining at least one set of first set reference point sequence containing the first set reference point from the at least one set of set reference point sequences, and determining the set reference point passed by the terminal from the at least one set of first set reference point sequence.
It should be noted that, under the condition that the current position of the terminal corresponds to the transfer station on the set traffic route, the number of groups of the first set reference point sequence including the first set reference point is at least two; and under the condition that the current position of the terminal corresponds to the non-transfer station on the set traffic line, the number of groups of the first set reference point sequence containing the first set reference point is 1. As shown in fig. 3, when the determined first set reference point is the reference point a, the first set reference point sequence including the first set reference point represents a group of first set reference point sequences corresponding to the set traffic route formed by the station 1, the station 2, and the station 3, and the group of first set reference point sequences includes 2 first set reference point sequences. When the determined first set reference point is the reference point C, the number of sets of the first set reference point sequences including the first set reference point is 2, that is, the first set reference point sequence includes a set of first set reference point sequences corresponding to the set traffic route constituted by the station 1, the station 2, and the station 3, and a set of first set reference point sequences corresponding to the set traffic route constituted by the station 4, the station 2, and the station 5, and at this time, the first set reference point sequence includes 4 set reference point sequences.
In practical applications, when the set of first set reference point sequences includes 2 set reference point sequences, and the set reference point passed by the terminal is determined from at least one set of first set reference point sequences, the electronic device may determine the set reference point sequence where the first set reference point is located from the at least one set of first set reference point sequences, and determine the set reference point passed by the terminal from the set reference point sequence where the first set reference point is located. Wherein the content of the first and second substances,
the method comprises the steps that the electronic equipment detects whether a terminal is out of the station or not under the condition that at least one group of first set reference point sequences are determined, determines the station where the terminal is out of the station under the condition that the terminal is out of the station, and determines the reference point where the terminal passes through based on all the determined first set reference point sequences, the determined first reference points and the set reference points corresponding to the station where the terminal is out of the station.
In some embodiments, considering that the terminal stops collecting the radio frequency fingerprint information when the terminal is out of the station, at this time, the electronic device may determine the set reference point that the terminal passed last time from the set reference point sequence in which the first set reference point is located based on the radio frequency fingerprint information collected last time by the terminal and based on the second radio frequency fingerprint information of the set reference point in the set reference point sequence in which the first set reference point is located; and determining all the set reference points passed by the terminal based on all the determined first set reference points, all the determined first set reference point sequences and the set reference point passed by the terminal for the last time.
In order to determine the set reference point passed by the terminal more quickly and improve the efficiency of determining the travel track of the terminal, in some embodiments, when the set reference point passed by the terminal is determined from at least one set of first set reference point sequence, the method includes:
matching third radio frequency fingerprint information acquired by the terminal with second radio frequency fingerprint information corresponding to at least one second set reference point; the acquisition time corresponding to the third radio frequency fingerprint information is later than the acquisition time corresponding to the first radio frequency fingerprint information; the second set reference point is a set reference point adjacent to the first set reference point in the at least one group of first set reference point sequences;
determining a third set reference point as a set reference point passed by the terminal; the third set reference point is a second set reference point at which corresponding second radio frequency fingerprint information is most matched with the third radio frequency fingerprint information in the at least one second set reference point.
Here, since the set reference point sequence is composed of a plurality of set reference points arranged in accordance with the position information, in the case where at least one set of the first set reference point sequence is determined, the electronic apparatus may determine, from the at least one set of the first set reference point sequence, a set reference point adjacent to the first set reference point position, and determine all the determined set reference points adjacent to the first set reference point position as the second set reference point; matching the third radio frequency fingerprint information acquired by the terminal with the second radio frequency fingerprint information corresponding to each second set reference point to obtain a matching result; and determining a third set reference point corresponding to the second radio frequency fingerprint information which is most matched with the third radio frequency fingerprint information from the determined second set reference points based on the matching result, and determining the third set reference point as the set reference point passed by the terminal. Wherein the content of the first and second substances,
the second set reference point characterizes the next set reference point that the terminal may pass after passing the first set reference point, that is, the second set reference point is an alternative reference point. As shown in fig. 3, when the determined first set reference point is the reference point a, the second set reference points are the reference point B and the reference point C; when the determined first set reference point is the reference point C, the second set reference point includes a reference point a, a reference point D, a reference point E, a reference point F, and a reference point G.
It should be noted that, in the case that the third set reference point is determined, the third set reference point may be determined as the first set reference point matching the position of the terminal, so as to determine a new second set reference point based on the new first set reference point, and determine a new third set reference point based on the new second set reference point.
In this embodiment, after determining at least one set of first set reference point sequences, the electronic device determines at least one second set reference point from the at least one set of first set reference point sequences, obtains a next set reference point that the terminal may pass through, and matches the third radio frequency fingerprint information with the second radio frequency fingerprint information corresponding to the second set reference point, instead of matching the third radio frequency fingerprint information with the second radio frequency fingerprint information corresponding to all set reference points included in the at least one set of first set reference point sequences, which may reduce the amount of computation, thereby reducing the time required to determine the next set reference point that the terminal passes through, and thus may determine the set reference point that the terminal passes through more quickly.
In order to determine the second set reference point more quickly, on the basis of determining the second set reference point, in some embodiments, the method further comprises:
determining a traveling direction of the terminal based on the determined set reference point through which the terminal passes;
and determining the second set reference point from the set reference points adjacent to the first set reference point position in the at least one group of first set reference point sequences based on the traveling direction of the terminal.
Here, the electronic apparatus determines, in a case where at least one set of first set reference point sequences is determined, a set reference point that is adjacent in position to the first set reference point from among the at least one set of first set reference point sequences; determining the advancing direction of the terminal at the position in the corresponding set reference point sequence based on the determined set reference point passed by the terminal; and determining a second set reference point from the determined set reference points adjacent to the first set reference point based on the traveling direction of the terminal. As shown in fig. 3, in the case that the determined set reference points through which the terminal passes include a reference point a and a reference point B, the traveling direction of the terminal is from station 1 to station 2, i.e., from left to right; under the condition that the first set reference point currently determined by the electronic equipment is the reference point A, the second set reference point is the reference point C; under the condition that the first set reference point currently determined by the electronic equipment is the reference point C, the second set reference point comprises a reference point D, a reference point E, a reference point F and a reference point G.
In some embodiments, the method further comprises:
determining a set reference point passed by the terminal by the following method:
determining the similarity between the radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point;
determining a fourth set reference point as a set reference point passed by the terminal; the fourth set reference point represents the set reference point corresponding to the second radio frequency fingerprint information corresponding to the determined maximum similarity; the maximum similarity is greater than a first set threshold.
The electronic equipment determines the similarity between the radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point, determines the maximum similarity with the similarity larger than a first set threshold, determines a set reference point corresponding to the second radio frequency fingerprint information corresponding to the maximum similarity as a fourth set reference point, and determines the fourth set reference point as a set reference point passed by the terminal.
In practical application, the radio frequency fingerprint information acquired by the electronic equipment through the terminal and the second radio frequency fingerprint information both comprise a plurality of items of radio frequency fingerprint information. The similarity of at least one item of radio frequency fingerprint information between every two adjacent set reference points in each set of set reference point sequence is smaller than a second set threshold, so that the radio frequency fingerprint information of every two adjacent set reference points in each set of set reference point sequence has obvious difference, and the set reference points passed by the terminal can be accurately determined.
In practical application, under the condition that the radio frequency fingerprint information comprises a plurality of items of radio frequency fingerprint information, when the electronic device acquires similarity between the radio frequency fingerprint information and the second radio frequency fingerprint information at the computing terminal, the quotient of the number of matched items of the radio frequency fingerprint information and the total number of matched items of the radio frequency fingerprint information can be determined as the corresponding similarity. Certainly, the electronic device may also determine the similarity between the radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information by using other methods, for example, the radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information are respectively converted into vectors, and the cosine similarity between the vectors is calculated to obtain the similarity between the radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information.
In practical application, the radio frequency fingerprint information at least includes radio frequency fingerprint information of a serving cell and radio frequency fingerprint information of a neighboring cell, and may also include radio frequency fingerprint information of an AP. Wherein the content of the first and second substances,
the serving cell and the neighbor cell may be cells in at least one of the following mobile communication technologies: third generation mobile communication technology (3G, 3rd generation wireless systems), fourth generation mobile communication technology (4G, 4th generation wireless systems), and fifth generation mobile communication technology (5G, 5th generation wireless systems).
The radio frequency fingerprint information of the serving cell and the radio frequency fingerprint information of the neighbor cell at least comprise the following four items:
cell Frequency point Number (ARFCN, Absolute Radio Frequency Channel Number);
cell number (CID, Cell Id);
cell Physical number (PCI); and
reference Signal Received Power (RSRP) of a cell.
In practical applications, the electronic device identifies the cell by ARFCN, CID, and PCI. When the electronic equipment calculates the similarity between the radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information, under the condition that the ARFCN, the CID and the PCI in the radio frequency fingerprint information acquired by the terminal are the same as those in the second radio frequency fingerprint information, the corresponding similarity is determined based on the difference value between the RSRP in the radio frequency fingerprint information acquired by the terminal and the RSRP in the second radio frequency fingerprint information. The smaller the difference, the higher the similarity. In actual application, the similarity corresponding to the RSRP difference value can be determined based on the set range in which the RSRP difference value is located and based on the set correspondence between the set range and the similarity.
The radio frequency fingerprint information of the AP includes a Basic Service Set Identifier (BSSID).
The radio frequency fingerprint information of the serving cell and the radio frequency fingerprint information of the neighbor cell may further include at least one of:
mobile Country Code (MCC);
mobile Network Code (MNC);
cell Bandwidth (Bandwidth);
cell Synchronization Signal block index (SSB index, Synchronization Signal and PBCH block index) of 5G.
In practical application, the similarity of at least one item of radio frequency fingerprint information between every two adjacent set reference points in each set of set reference point sequence is smaller than a second set threshold value, so that the radio frequency fingerprint information of every two adjacent set reference points in each set reference point sequence has obvious difference.
For example, the cell PCIs in the radio frequency fingerprint information of each two adjacent set reference points are different, or the PCIs are the same but the RSRP difference is large, for example, the RSRP difference is greater than 10 db. In practical applications, the second set threshold may be smaller than or equal to the first set threshold.
Step 102: and determining the travel track of the terminal based on the determined position information corresponding to the set reference point.
Here, the database stores the second rf fingerprint information and the corresponding location information of each set reference point in at least one set of set reference point sequences, and the location information represents the geographic location of the set reference point.
The method comprises the steps that under the condition that a set reference point through which a terminal passes is determined, the electronic equipment acquires position information corresponding to the set reference point through which the terminal passes from a database; and the electronic equipment connects all the determined set reference points according to the position information based on the position information corresponding to each set reference point in all the determined set reference points through which the terminal passes, so as to obtain the travel track of the terminal. As shown in fig. 4, the black triangle represents a set reference point that the terminal passes, the white triangle represents a set reference point that the terminal does not pass, and the travel track of the terminal is station a-station B-station C-station D-station E-station F-station G, that is, the terminal user enters from station a and exits from station G.
In the embodiment of the application, the database stores second radio frequency fingerprint information and corresponding position information of each set reference point in at least one set of set reference point sequences, and each set of set reference point sequences comprises a plurality of set reference points arranged on a corresponding set traffic line; the method comprises the steps that electronic equipment obtains first radio frequency fingerprint information collected by a terminal, and a set reference point passed by the terminal is determined from at least one set of set reference point sequence based on the first radio frequency fingerprint information collected by the terminal and second radio frequency fingerprint information of the set reference point stored in a database; and determining the travel track of the terminal based on the determined position information corresponding to the set reference point. According to the scheme, the terminal can independently collect the radio frequency fingerprint information, the electronic equipment can accurately determine the track of the terminal based on the radio frequency fingerprint information collected by the terminal, and compared with the prior art, a user does not need to report a riding record through a terminal scanning travel code, so that the situation that the determined riding track is inaccurate due to the fact that a passenger fails to report the riding record can be avoided, and the accuracy of the determined travelling track is improved.
Fig. 5 shows an interaction diagram of a method for determining a travel trajectory according to an embodiment of the present application. As shown in fig. 5, the method for determining a travel trajectory includes:
step 501: the terminal judges whether the terminal enters the station or not to obtain a first judgment result.
Here, in a case where the first determination result indicates that the terminal is inbound, step 502 is executed; in case the second determination result indicates that the terminal is not inbound, step 501 is executed.
Step 502: the terminal collects first radio frequency fingerprint information.
Step 503: and the terminal reports the collected first radio frequency fingerprint information to the server.
Step 504: the server determines a first set reference point matched with the current position of the terminal based on first radio frequency fingerprint information reported by the terminal and second radio frequency fingerprint information corresponding to each set reference point.
Step 505: the server determines at least one set of first set reference point sequence from the at least one set of set reference point sequences; the first set reference point sequence is a set reference point sequence including the first set reference point.
Step 506: the server determines at least one second set reference point from at least one group of first set reference point sequences; the second set reference point is a set reference point adjacent to the position of the first set reference point in the at least one group of first set reference point sequences.
Step 507: the terminal collects third radio frequency fingerprint information; and the acquisition time corresponding to the third radio frequency fingerprint information is later than the acquisition time corresponding to the first radio frequency fingerprint information.
Here, step 507 and step 503 are parallel steps, step 507 and step 503 may be executed simultaneously, and step 507 may be executed after step 503.
Step 508: and the terminal reports the acquired third radio frequency fingerprint information to the server.
Step 509: and the server calculates the similarity between the third radio frequency fingerprint information and second radio frequency fingerprint information corresponding to each second set reference point in the at least one second set reference point.
Step 510: and the server judges whether the maximum similarity is greater than a first set threshold value or not to obtain a third judgment result.
Here, in case that the third determination result indicates that the maximum similarity is greater than the first set threshold, step 511 is executed; if the third determination result indicates that the maximum similarity is less than or equal to the first set threshold, step 509 is executed.
Step 511: the server determines a third set reference point as a set reference point passed by the terminal; the third set reference point characterizes the second set reference point corresponding to the maximum similarity greater than the first set threshold.
That is to say, the third set reference point is a second set reference point, where the corresponding second rf fingerprint information matches the third rf fingerprint information most closely, in the at least one second set reference point.
It should be noted that the third set reference point determined by the server in the current flow may be used as the first set reference point in step 504 in the next flow.
Step 512: and if the terminal is out of the station, obtaining a second judgment result.
Here, in a case where the second judgment result represents that the terminal is out of the station, step 513 is performed; in case the second decision result indicates that the terminal is not outbound, step 502 is performed. Step 512 and step 508 are parallel steps, and step 512 and step 508 may be executed simultaneously, or step 512 may be executed after step 508.
Step 513: and the terminal stops collecting the first radio frequency fingerprint information.
Step 514: and the server determines the travel track of the terminal based on the determined position information corresponding to the set reference point.
Here, the determined set reference points include a first set reference point and a third set reference point.
In order to implement the method of the embodiment of the present application, an embodiment of the present application further provides an electronic device, as shown in fig. 6, where the electronic device includes:
the first determining unit 61 is configured to determine, based on first radio frequency fingerprint information acquired by a terminal and second radio frequency fingerprint information corresponding to a set reference point, a set reference point that the terminal passes through from at least one set of set reference point sequences; each set of set reference point sequence comprises a plurality of set reference points arranged on a corresponding set traffic line;
a second determining unit 62, configured to determine a travel track of the terminal based on the determined position information corresponding to the set reference point.
In some embodiments, the first determining unit 61 is configured to:
determining a first set reference point matched with the current position of the terminal based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to each set reference point;
determining at least one set of first set reference point sequences from the at least one set of set reference point sequences; the first set reference point sequence is a set reference point sequence containing the first set reference point;
and determining the set reference point passed by the terminal from at least one group of first set reference point sequences.
In some embodiments, the first determining unit 61 is further configured to:
matching third radio frequency fingerprint information acquired by the terminal with second radio frequency fingerprint information corresponding to at least one second set reference point; the acquisition time corresponding to the third radio frequency fingerprint information is later than the acquisition time corresponding to the first radio frequency fingerprint information; the second set reference point is a set reference point adjacent to the first set reference point in the at least one group of first set reference point sequences;
determining a third set reference point as a set reference point passed by the terminal; the third set reference point is a second set reference point at which corresponding second radio frequency fingerprint information is most matched with the third radio frequency fingerprint information in the at least one second set reference point.
In some embodiments, the electronic device further comprises:
a third determination unit configured to determine a traveling direction of the terminal based on a set reference point through which the terminal has been determined to pass;
a fourth determination unit configured to determine the second set reference point from set reference points adjacent to the first set reference point position in the at least one set of first set reference point sequence based on the traveling direction of the terminal.
In some embodiments, the first determining unit 61 is further configured to: determining a set reference point passed by the terminal by the following method:
determining the similarity between the radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point;
determining a fourth set reference point as a set reference point passed by the terminal; the fourth set reference point represents the set reference point corresponding to the second radio frequency fingerprint information corresponding to the determined maximum similarity; the maximum similarity is greater than a first set threshold.
In some embodiments, the electronic device further comprises:
the acquisition unit is used for acquiring first radio frequency fingerprint information acquired by the terminal under the condition that the terminal enters a set traffic line.
In some embodiments, the similarity of at least one item of radio frequency fingerprint information between every two adjacent set reference points in each set of set reference point sequences is less than a second set threshold.
In practical applications, the above units may be implemented by a Processor in an electronic device, such as a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a Micro Control Unit (MCU), or a Programmable Gate Array (FPGA).
It should be noted that: in the electronic device provided in the above embodiment, when determining the travel track of the terminal, only the division of the program modules is described as an example, and in practical applications, the processing distribution may be completed by different program modules according to needs, that is, the internal structure of the apparatus is divided into different program modules, so as to complete all or part of the processing described above. In addition, the electronic device provided by the above embodiment and the method embodiment for determining the travel track belong to the same concept, and specific implementation processes thereof are detailed in the method embodiment and are not described herein again.
Based on the hardware implementation of the program module, in order to implement the method of the embodiment of the present application, an embodiment of the present application further provides an electronic device. Fig. 7 is a schematic diagram of a hardware composition structure of a terminal according to an embodiment of the present application, and as shown in fig. 7, the electronic device 7 includes:
a communication interface 71 capable of information interaction with other devices such as network devices and the like;
and the processor 72 is connected with the communication interface 71 to realize information interaction with other equipment, and is used for executing the method provided by one or more technical schemes of the terminal side when running a computer program. And the computer program is stored on the memory 73.
Of course, in practice, the various components in the electronic device 7 are coupled together by a bus system 74. It will be appreciated that the bus system 74 is used to enable communications among the components of the connection. The bus system 74 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 74 in fig. 7.
The memory 73 in the embodiment of the present application is used to store various types of data to support the operation of the electronic device 7. Examples of such data include: any computer program for operating on the electronic device 7.
It will be appreciated that the memory 73 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memory 73 described in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.
The method disclosed in the above embodiments of the present application may be applied to the processor 72, or implemented by the processor 72. The processor 72 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by instructions in the form of hardware, integrated logic circuits, or software in the processor 72. The processor 72 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. Processor 72 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 73, and the processor 72 reads the program in the memory 73 and performs the steps of the aforementioned method in conjunction with its hardware.
Optionally, when the processor 72 executes the program, the corresponding process implemented by the terminal in each method of the embodiment of the present application is implemented, and for brevity, no further description is given here.
In an exemplary embodiment, the present application further provides a storage medium, i.e. a computer storage medium, in particular a computer readable storage medium, for example comprising a first memory 73 storing a computer program, which is executable by a processor 72 of the terminal to perform the steps of the aforementioned method. The computer readable storage medium may be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all functional units in the embodiments of the present application may be integrated into one processing module, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The technical means described in the embodiments of the present application may be arbitrarily combined without conflict.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A method of determining a travel trajectory, comprising:
determining a set reference point passed by the terminal from at least one set of set reference point sequence based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point; each set of set reference point sequence comprises a plurality of set reference points arranged on a corresponding set traffic line;
and determining the travel track of the terminal based on the determined position information corresponding to the set reference point.
2. The method according to claim 1, wherein the determining the set reference point passed by the terminal from at least one set of set reference point sequences based on the first radio frequency fingerprint information acquired by the terminal and the second radio frequency fingerprint information corresponding to the set reference point comprises:
determining a first set reference point matched with the current position of the terminal based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to each set reference point;
determining at least one set of first set reference point sequences from the at least one set of set reference point sequences; the first set reference point sequence is a set reference point sequence containing the first set reference point;
and determining the set reference point passed by the terminal from at least one group of first set reference point sequences.
3. The method according to claim 2, wherein when determining the set reference point passed by the terminal from at least one set of first set reference point sequences, the method comprises:
matching third radio frequency fingerprint information acquired by the terminal with second radio frequency fingerprint information corresponding to at least one second set reference point; the acquisition time corresponding to the third radio frequency fingerprint information is later than the acquisition time corresponding to the first radio frequency fingerprint information; the second set reference point is a set reference point adjacent to the first set reference point in the at least one group of first set reference point sequences;
determining a third set reference point as a set reference point passed by the terminal; the third set reference point is a second set reference point at which corresponding second radio frequency fingerprint information is most matched with the third radio frequency fingerprint information in the at least one second set reference point.
4. The method of claim 3, further comprising:
determining a traveling direction of the terminal based on the determined set reference point through which the terminal passes;
and determining the second set reference point from the set reference points adjacent to the first set reference point position in the at least one group of first set reference point sequences based on the traveling direction of the terminal.
5. The method according to any one of claims 1 to 4, further comprising:
determining a set reference point passed by the terminal by the following method:
determining the similarity between the radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point;
determining a fourth set reference point as a set reference point passed by the terminal; the fourth set reference point represents the set reference point corresponding to the second radio frequency fingerprint information corresponding to the determined maximum similarity; the maximum similarity is greater than a first set threshold.
6. The method of claim 1, further comprising:
and acquiring first radio frequency fingerprint information acquired by the terminal under the condition that the terminal enters a set traffic line.
7. The method according to claim 1, wherein the similarity of at least one item of radio frequency fingerprint information between every two adjacent set reference points in each set of set reference point sequences is less than a second set threshold.
8. An electronic device, comprising:
the first determining unit is used for determining a set reference point passed by the terminal from at least one set of set reference point sequence based on first radio frequency fingerprint information acquired by the terminal and second radio frequency fingerprint information corresponding to the set reference point; each set of set reference point sequence comprises a plurality of set reference points arranged on a corresponding set traffic line;
and the second determining unit is used for determining the travel track of the terminal based on the determined position information corresponding to the set reference point.
9. An electronic device, comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any one of claims 1 to 7 when running the computer program.
10. A storage medium having a computer program stored thereon, the computer program, when being executed by a processor, realizing the steps of the method of any one of claims 1 to 7.
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