CN110166999B - Target Bluetooth device selection system and method for moving process - Google Patents
Target Bluetooth device selection system and method for moving process Download PDFInfo
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Abstract
The invention discloses a target Bluetooth device selection system and a target Bluetooth device selection method facing a moving process, and the target Bluetooth device selection system comprises a Bluetooth signal detection module, a signal position recording module, a signal strength recording module, a signal difference calculation module, a signal difference ratio sequence output module, a target device selection module and a termination calculation module, wherein the Bluetooth signal detection module is connected with the signal position recording module and the signal strength recording module through network signals; the requirement on the position of the mobile terminal is lowered; the error response probability of the target Bluetooth device is reduced; the pure software scheme does not need to upgrade and reform the existing hardware equipment.
Description
Technical Field
The invention relates to the technical field of Bluetooth equipment, in particular to a target Bluetooth equipment selection system and a target Bluetooth equipment selection method facing to a moving process.
Background
In various locations, such as scenic spots, residential areas, etc., there may be a plurality of bluetooth devices, which typically have fixed locations (e.g., bluetooth access systems). Of these devices, only one device (called a target device) generally needs to respond to a bluetooth request issued by a user terminal (such as a mobile phone, etc., called a mobile terminal) during movement. The user usually needs to initiate a bluetooth request through the mobile terminal during the movement towards the target device, so as to complete the control of the target device.
The original way is to make bluetooth connection when the user moves to the target device, but this method is inefficient and has a high requirement on the location of the user's mobile terminal. Moreover, since the signal intensities of different bluetooth devices are not consistent, a device may respond incorrectly, for example, in a bluetooth access control system, when a user uses a bluetooth function to open an access control, the user may mistakenly open an adjacent access control system due to the inconsistent signal intensities, and thus the target access control system cannot be opened, so it is very necessary to design a target bluetooth device selection system and method for a mobile process.
Disclosure of Invention
The present invention is directed to a system and method for selecting a target bluetooth device in a mobile process, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: a target Bluetooth device selection system and method facing to a moving process comprises a Bluetooth signal detection module, a signal position recording module, a signal strength recording module, a signal difference calculation module, a signal difference ratio sequence output module, a target device selection module and a termination calculation module;
bluetooth signal detection module: the function is that the user starts the switch of the Bluetooth signal detection module in the moving process;
the signal position recording module: the function is that the signal position recording module records a Bluetooth signal once at intervals of time t, the position of the mobile terminal at each recording time point is recorded as P, and a mobile terminal position sequence P is sequentially obtained as { P1, P2, P3, …, pm };
the signal intensity recording module: the signal strength recording module records the bluetooth signal strength of the jth device detected at each position pi as sij, and obtains a signal sequence Si. of the ith position point as { si1, si2, si3, …, sin };
a signal difference calculation module: calculating a bluetooth signal strength sequence S.j corresponding to the position sequence by using a signal difference calculation module, wherein the sequence is { s1j, s2j, s3j, …, smj };
signal difference ratioA sequence output module: calculating the signal difference delta si, j of two adjacent positions according to a formula I by using a signal difference calculation module; Δ si,j＝si+1,j-si,j①
A target device selection module: the target equipment selection module is used for selecting the target equipment in two modes:
(1) selecting a device according to the final signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the final signal difference ratio sequence Fm;
(2) selecting a device based on the average signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the average signal difference ratio sequence Am;
the termination calculation module: in the process of selecting the target device, the computation is terminated by utilizing a termination computation module, and the following two modes are included:
(1) the user manually terminates;
(2) when the difference value between the maximum value and the second maximum value in the signal difference ratio sequence is larger than or equal to the threshold value delta, the threshold value delta can be configured as required;
the Bluetooth signal detection module is connected with the signal position recording module and the signal strength recording module through network signals, the signal position recording module and the signal strength recording module are connected with the signal difference calculation module through network signals, the signal difference calculation module is connected with the signal difference ratio sequence output module through network signals, the signal difference ratio sequence output module is connected with the target equipment selection module through network signals, and the target equipment selection module is connected with the termination calculation module through network signals.
A method of a mobile process oriented target bluetooth device selection system, comprising the steps of:
1) a user starts a switch of the Bluetooth signal detection module in the moving process;
2) the signal position recording module records a Bluetooth signal once at intervals of a period of time t, the position of the mobile terminal at each recording time point is recorded as P, and a mobile terminal position sequence P ═ P can be obtained in sequence1，p2，p3，…，pm}；
3) Strong signalThe degree recording module records each position piThe detected Bluetooth signal strength of the jth device is recorded as sijObtaining a signal sequence S of the ith position pointi.＝{si1，si2，si3，…，sin}；
4) For the jth target device, the signal difference calculation module is used for calculating the Bluetooth signal intensity sequence S corresponding to the position sequence.j＝{s1j，s2j，s3j，…，smj}；
5) For the jth target device, a signal difference calculation module is used for calculating the signal difference deltas of two adjacent positions according to a formula (i)i，j；
Δsi，j＝si+1，j-si，j ①
6) For the jth target device, a total of signal difference sequences Δ S can be obtained.j＝{Δs2j，Δs3j，Δs4j，…，ΔsmjObtaining the final signal difference ratio F of the jth equipment at the point m according to a formula by utilizing a signal difference calculation module.jObtaining the average signal difference ratio A of the j-th equipment on the m point according to a formula.j；
F.j＝Δsm-1，j/Δsmj ②
7) At the termination point m, the following two signal difference ratio value sequences can be obtained through the signal difference ratio value sequence output module:
final signal difference ratio sequence Fm＝{Fm1，Fm2，Fm3，…，Fmn}；
Average signal difference ratio sequence Am＝{Am1，Am2，Am3，…，Amn}；
8) Target device selection may be performed by the target device selection module using two ways:
(1) according to the final signalA difference selection device: the sequence number of the target equipment is a final signal difference ratio sequence FmThe number with the maximum value in;
(2) selecting a device based on the average signal difference: the serial number of the target equipment is an average signal difference ratio sequence AmThe number with the maximum value in;
in the step 2), m is the total number of position points recorded in the process that a user turns on the Bluetooth signal detection switch to turn off the Bluetooth signal detection switch or software can definitely calculate to obtain target Bluetooth equipment;
in the step 3), n is the total number of the Bluetooth devices.
According to the above technical solution, in the step 8), in the process of selecting the target device, the terminating calculation module is used to terminate the calculation, which includes the following two ways:
(1) the user manually terminates;
(2) when the difference value between the maximum value and the second maximum value in the signal difference ratio sequence is larger than or equal to the threshold value delta.
According to the technical scheme, the threshold value delta can be configured according to needs.
Compared with the prior art, the invention has the following beneficial effects: the target Bluetooth device selection system and method facing the moving process comprises the following steps that 1, target Bluetooth device selection is carried out in the moving process, and connection efficiency is improved; 2. the requirement on the position of the mobile terminal is lowered; 3. the error response probability of the target Bluetooth device is reduced; 4. the pure software scheme does not need to upgrade and reform the existing hardware equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a Bluetooth device response system of the present invention;
FIG. 2 is a schematic overall flow diagram of the present invention;
in the figure: both p1 and p2 are mobile terminals.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a target Bluetooth device selection system and method facing to a moving process comprises a Bluetooth signal detection module, a signal position recording module, a signal strength recording module, a signal difference calculation module, a signal difference ratio sequence output module, a target device selection module and a termination calculation module;
bluetooth signal detection module: the function is that the user starts the switch of the Bluetooth signal detection module in the moving process;
the signal position recording module: the function is that the signal position recording module records a Bluetooth signal once at intervals of time t, the position of the mobile terminal at each recording time point is recorded as P, and a mobile terminal position sequence P is sequentially obtained as { P1, P2, P3, …, pm };
the signal intensity recording module: the signal strength recording module records the bluetooth signal strength of the jth device detected at each position pi as sij, and obtains a signal sequence Si. of the ith position point as { si1, si2, si3, …, sin };
a signal difference calculation module: calculating a bluetooth signal strength sequence S.j corresponding to the position sequence by using a signal difference calculation module, wherein the sequence is { s1j, s2j, s3j, …, smj };
the signal difference ratio sequence output module: calculating the signal difference delta si, j of two adjacent positions according to a formula I by using a signal difference calculation module; Δ si,j＝si+1,j-si,j①
A target device selection module: the target equipment selection module is used for selecting the target equipment in two modes:
(1) selecting a device according to the final signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the final signal difference ratio sequence Fm;
(2) selecting a device based on the average signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the average signal difference ratio sequence Am;
the termination calculation module: in the process of selecting the target device, the computation is terminated by utilizing a termination computation module, and the following two modes are included:
(1) the user manually terminates;
(2) when the difference value between the maximum value and the second maximum value in the signal difference ratio sequence is larger than or equal to the threshold value delta, the threshold value delta can be configured as required;
the Bluetooth signal detection module is connected with the signal position recording module and the signal strength recording module through network signals, the signal position recording module and the signal strength recording module are connected with the signal difference calculation module through network signals, the signal difference calculation module is connected with the signal difference ratio sequence output module through network signals, the signal difference ratio sequence output module is connected with the target equipment selection module through network signals, and the target equipment selection module is connected with the termination calculation module through network signals.
A method of a mobile process oriented target bluetooth device selection system, comprising the steps of:
1) a user starts a switch of the Bluetooth signal detection module in the moving process;
2) the signal position recording module records a Bluetooth signal once at intervals of a period of time t, the position of the mobile terminal at each recording time point is recorded as P, a mobile terminal position sequence P is sequentially obtained, wherein the sequence P is { P1, P2, P3, … and pm }, and m is the total number of position points recorded in the process from the moment that a user opens the Bluetooth signal detection switch to the moment that the user closes the Bluetooth signal detection switch or software can definitely calculate to obtain the target Bluetooth equipment;
3) the signal intensity recording module records the Bluetooth signal intensity of the jth device detected by each position pi as sij, and a signal sequence S of the ith position point can be obtainedi.＝{si1,si2,si3,…,sinN is the total number of the Bluetooth devices;
4) for the jth targetThe device calculates a Bluetooth signal intensity sequence S corresponding to the position sequence by using a signal difference calculation module.j＝{s1j,s2j,s3j,…,smj}；
5) For the jth target device, a signal difference calculation module is used for calculating the signal difference deltas of two adjacent positions according to a formula (i)i,j；
Δsi,j＝si+1,j-si,j ①
6) For the jth target device, a signal difference sequence Δ S.j can be obtained in total, wherein the sequence Δ S.j is { Δ s2j, Δ s3j, Δ s4j, …, Δ smj }, a final signal difference ratio F.j of the jth device at the point m is obtained by using a signal difference calculation module according to a formula (II), and an average signal difference ratio A.j of the jth device at the point m is obtained according to a formula (III);
F.j＝Δsm-1,j/Δsmj ②
7) at the termination point m, the following two signal difference ratio value sequences can be obtained through the signal difference ratio value sequence output module:
final signal difference ratio sequence Fm＝{Fm1,Fm2,Fm3,…,Fmn}；
Average signal difference ratio sequence Am＝{Am1,Am2,Am3,…,Amn}；
8) Target device selection may be performed by the target device selection module using two ways:
(1) selecting a device according to the final signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the final signal difference ratio sequence Fm;
(2) selecting a device based on the average signal difference: the serial number of the target device is the serial number with the maximum value in the average signal difference ratio sequence Am.
In the process of selecting the target device, the calculation is terminated by using the termination calculation module, and the method comprises the following two modes:
(1) the user manually terminates;
(2) when the difference value between the maximum value and the second maximum value in the signal difference ratio sequence is larger than or equal to the threshold value delta, the threshold value delta can be configured as required.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a move process oriented target bluetooth equipment selection system, includes bluetooth signal detection module, signal position record module, signal strength record module, signal difference calculation module, signal difference ratio value sequence output module, target equipment selection module and termination calculation module, its characterized in that:
bluetooth signal detection module: the function is that the user starts the switch of the Bluetooth signal detection module in the moving process;
the signal position recording module: the method comprises the following steps that a signal position recording module records Bluetooth signals once at intervals of time t, the position of a mobile terminal at each recording time point is recorded as P, and a mobile terminal position sequence P is sequentially obtained, wherein the sequence P is { P1, P2, P3, … and pm };
the signal intensity recording module: the signal strength recording module records the bluetooth signal strength of the jth device detected at each position pi as sij, and obtains a signal sequence Si. of the ith position point as { si1, si2, si3, …, sin };
a signal difference calculation module: calculating a bluetooth signal strength sequence S.j corresponding to the position sequence by using a signal difference calculation module, wherein the sequence is { s1j, s2j, s3j, …, smj };
the signal difference ratio sequence output module: calculating the signal difference delta si, j of two adjacent positions according to a formula I by using a signal difference calculation module; Δ si,j＝si+1,j-si,j ①
A target device selection module: the target equipment selection module is used for selecting the target equipment in two modes:
(1) selecting a device according to the final signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the final signal difference ratio sequence Fm;
(2) selecting a device based on the average signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the average signal difference ratio sequence Am;
the termination calculation module: in the process of selecting the target device, the computation is terminated by utilizing a termination computation module, and the following two modes are included:
(1) the user manually terminates;
(2) when the difference value between the maximum value and the second maximum value in the signal difference ratio sequence is larger than or equal to the threshold value delta, the threshold value delta can be configured as required;
the Bluetooth signal detection module is connected with the signal position recording module and the signal strength recording module through network signals, the signal position recording module and the signal strength recording module are connected with the signal difference calculation module through network signals, the signal difference calculation module is connected with the signal difference ratio sequence output module through network signals, the signal difference ratio sequence output module is connected with the target equipment selection module through network signals, and the target equipment selection module is connected with the termination calculation module through network signals.
2. The method of claim 1, wherein the target bluetooth device selection system comprises:
1) a user starts a switch of the Bluetooth signal detection module in the moving process;
2) the signal position recording module records a Bluetooth signal once at intervals of time t, the position of the mobile terminal at each recording time point is recorded as P, and a mobile terminal position sequence P is sequentially obtained as { P1, P2, P3, …, pm };
3) the signal strength recording module records the bluetooth signal strength of the jth device detected at each position pi as sij, and obtains a signal sequence Si. of the ith position point as { si1, si2, si3, …, sin };
4) for the jth target device, a signal difference calculation module is used for calculating a Bluetooth signal strength sequence S corresponding to the position sequence.j＝{s1j,s2j,s3j,…,smj}；
5) For the jth target device, a signal difference calculation module is used for calculating the signal difference deltas of two adjacent positions according to a formula (i)i,j；
Δsi,j＝si+1,j-si,j ①
6) For the jth target device, a total of signal difference sequences Δ S can be obtained.j＝{Δs2j,Δs3j,Δs4j,…,ΔsmjObtaining a final signal difference ratio F.j of the j-th equipment at the point m according to a formula II by using a signal difference calculation module, and obtaining an average signal difference ratio A.j of the j-th equipment at the point m according to a formula III;
F.j＝Δsm-1,j/Δsmj ②
7) at the termination point m, the following two signal difference ratio value sequences can be obtained through the signal difference ratio value sequence output module:
final letterSequence of number difference ratios Fm＝{Fm1,Fm2,Fm3,…,Fmn}；
Average signal difference ratio sequence Am＝{Am1,Am2,Am3,…,Amn}；
8) Target device selection may be performed by the target device selection module using two approaches:
(1) selecting a device according to the final signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the final signal difference ratio sequence Fm;
(2) selecting a device based on the average signal difference: the sequence number of the target equipment is the sequence number with the maximum value in the average signal difference ratio sequence Am;
in the step 2), m is the total number of position points recorded in the process that a user turns on the Bluetooth signal detection switch to turn off the Bluetooth signal detection switch or software can definitely calculate to obtain target Bluetooth equipment;
in the step 3), n is the total number of the Bluetooth devices.
3. The method of claim 2, wherein the target bluetooth device selection system comprises: in the step 8), in the process of selecting the target device, the calculation is terminated by using a termination calculation module, which includes the following two ways:
(1) the user manually terminates;
(2) when the difference value between the maximum value and the second maximum value in the signal difference ratio sequence is larger than or equal to the threshold value delta.
4. The method of claim 3, wherein the target Bluetooth device selection system comprises: the threshold δ may be configured as desired.
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