CN103796160B - The collecting method and device of the acceleration transducer data returned based on terminal - Google Patents

The collecting method and device of the acceleration transducer data returned based on terminal Download PDF

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CN103796160B
CN103796160B CN201410031061.4A CN201410031061A CN103796160B CN 103796160 B CN103796160 B CN 103796160B CN 201410031061 A CN201410031061 A CN 201410031061A CN 103796160 B CN103796160 B CN 103796160B
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data
positioning
acceleration sensor
terminal
sensor data
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CN103796160A (en
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黄寓凡
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Beijing Baidu Netcom Science and Technology Co Ltd
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Beijing Baidu Netcom Science and Technology Co Ltd
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Abstract

The embodiment of the present invention provides a kind of collecting method and device of the acceleration transducer data returned based on terminal.The location data that the embodiment of the present invention is returned by receiving terminal in passback place, and then according to acceleration transducer data included in the location data, determine the paces data of the terminal movement, make it possible to according to the paces data, cutting processing is carried out to the location data, to obtain the location data that the location data corresponding to each paces is alignd, so, make it possible to by the location data corresponding to each paces to being obtained, analyzed and handled, to construct a kind of unified location algorithm, gatherer process is participated in without operating personnel, and accuracy is high, so as to improve the efficiency and reliability of positioning.

Description

Acceleration sensor data acquisition method and device based on terminal return
[ technical field ] A method for producing a semiconductor device
The invention relates to a positioning technology, in particular to a data acquisition method and device of acceleration sensor data based on terminal return.
[ background of the invention ]
In a mobile communication network, such as a Wideband Code Division Multiple Access (WCDMA) network, a positioning platform may receive positioning data such as a Media Access Control (MAC) address of a Wireless Fidelity (Wi-Fi) Access Point (Access Point, AP) sent by a terminal, a Cell identifier (Cell ID) of a base station, and sensor data, and provide a positioning service, i.e., a positioning result, to the terminal by using a positioning algorithm. Due to the diversity of the hardware of the terminals, the data patterns of the positioning data obtained by different terminals may have large differences. Therefore, the positioning platform needs to analyze and process positioning data of some terminals of specified types, which are manually collected in advance, so as to construct a unified positioning algorithm.
However, the operation of manually collecting the positioning data is complicated and error-prone, thereby resulting in a reduction in the efficiency and reliability of terminal positioning.
[ summary of the invention ]
The invention provides a data acquisition method and device of acceleration sensor data based on terminal return, which are used for improving the positioning efficiency and reliability.
In one aspect of the present invention, a data acquisition method for acceleration sensor data returned based on a terminal is provided, which includes:
receiving positioning data returned by a terminal at a return place, wherein the positioning data comprises acceleration sensor data and other positioning data except the acceleration sensor data;
determining the moving step data of the terminal according to the acceleration sensor data;
and according to the step data, carrying out segmentation processing on the positioning data so as to obtain the positioning data corresponding to each step.
The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where before the positioning data returned by the location is returned by the receiving terminal, the receiving terminal further includes:
and broadcasting indication information for indicating the return location.
The above-described aspect and any possible implementation further provide an implementation in which the backhaul site includes a channel, the channel does not include any branch, and a width of the channel is less than or equal to a preset width threshold.
The above aspect and any possible implementation manner further provide an implementation manner, where determining step data of the terminal movement according to the acceleration sensor data includes:
according to the acceleration sensor data, obtaining peak data and trough data contained in the acceleration sensor data;
determining a start time and an end time of the step using the peak data and the trough data.
The above-described aspect and any possible implementation further provides an implementation in which the acceleration sensor data includes an acceleration component in a vertical direction, an acceleration component in a moving direction, or an acceleration component in a lateral direction.
In another aspect of the present invention, a data acquisition device for acceleration sensor data returned based on a terminal is provided, which includes:
the receiving unit is used for receiving positioning data returned by the terminal at a return place, wherein the positioning data comprises acceleration sensor data and other positioning data except the acceleration sensor data;
the determining unit is used for determining the moving step data of the terminal according to the acceleration sensor data;
and the segmentation unit is used for segmenting the positioning data according to the step data so as to obtain the positioning data corresponding to each step.
There is further provided in accordance with the above-mentioned aspect and any possible implementation form, an implementation form, wherein the apparatus further includes a broadcasting unit configured to broadcast the broadcast information
And broadcasting indication information for indicating the return location.
The above-described aspect and any possible implementation further provide an implementation in which the backhaul site includes a channel, the channel does not include any branch, and a width of the channel is less than or equal to a preset width threshold.
The above-mentioned aspect and any possible implementation manner further provide an implementation manner, and the determining unit is specifically configured to
According to the acceleration sensor data, obtaining peak data and trough data contained in the acceleration sensor data; and determining a start time and an end time of the step using the peak data and the trough data.
The above aspect and any possible implementation further provide an implementation in which the acceleration sensor data received by the receiving unit includes an acceleration component in a vertical direction, an acceleration component in a moving direction, or an acceleration component in a lateral direction.
According to the technical scheme, the positioning data returned by the terminal at the return point is received, and the moving step data of the terminal is determined according to the acceleration sensor data included in the positioning data, so that the positioning data can be segmented according to the step data to obtain the positioning data corresponding to each step, namely the aligned positioning data.
In addition, by adopting the technical scheme provided by the invention, the positioning data returned by a large number of terminals of different types can be collected, so that the problem that a positioning result calculated by the positioning data of terminals of the types which do not appear is possibly large in error due to limited positioning data collected manually in the prior art can be avoided, and the reliability of terminal positioning can be further improved.
In addition, by adopting the technical scheme provided by the invention, the positioning data returned by the terminal used by the common user can be collected, and the terminal for returning the positioning data does not need to be purchased specially, so that the cost for positioning the terminal is reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without inventive labor.
Fig. 1 is a schematic flowchart of a data acquisition method for acceleration sensor data based on terminal feedback according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data acquisition device for acceleration sensor data returned based on a terminal according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data acquisition device based on acceleration sensor data returned by a terminal according to another embodiment of the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The technical solution of the present invention can be applied to various Mobile communication networks, such as a Global System for Mobile Communications (GSM) network, a General Packet Radio Service (GPRS) network, a Code Division Multiple Access (CDMA) network, a CDMA2000 network, a Wideband Code Division Multiple Access (WCDMA) network, a Long Term Evolution (LTE) network, or a Worldwide Interoperability for Microwave Access (WiMAX) network.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 is a schematic flowchart of a data acquisition method based on acceleration sensor data returned by a terminal according to an embodiment of the present invention, as shown in fig. 1.
101. And receiving positioning data returned by the terminal at a return place, wherein the positioning data comprises acceleration sensor data and other positioning data except the acceleration sensor data.
Specifically, the positioning data is data required for positioning the terminal by using a wireless positioning technology.
The wireless positioning technology may further include, but is not limited to, Wi-Fi positioning technology, compass positioning technology, barometer positioning technology, and camera positioning technology, in addition to the acceleration sensor positioning technology.
102. And determining the moving step data of the terminal according to the acceleration sensor data.
103. And according to the step data, carrying out segmentation processing on the positioning data so as to obtain the positioning data corresponding to each step.
The execution main bodies 101 to 103 can be positioning platforms for providing positioning services to the terminals.
Like this, through the positioning data of receiving terminal at passback place passback, and then according to the acceleration sensor data that includes in the positioning data, confirm the step data that the terminal removed makes can be according to step data, right the positioning data is cut the processing to obtain the positioning data that every step corresponds and align promptly, like this, make and to carry out analysis and processing through the positioning data that every step that corresponds to obtaining, construct a unified positioning algorithm, need not operating personnel and participate in the collection process, and the exactness is high moreover, thereby the efficiency and the reliability of location have been improved.
In addition, by adopting the technical scheme provided by the invention, the positioning data returned by a large number of terminals of different types can be collected, so that the problem that a positioning result calculated by the positioning data of terminals of the types which do not appear is possibly large in error due to limited positioning data collected manually in the prior art can be avoided, and the reliability of terminal positioning can be further improved.
In addition, by adopting the technical scheme provided by the invention, the positioning data returned by the terminal used by the common user can be collected, and the terminal for returning the positioning data does not need to be purchased specially, so that the cost for positioning the terminal is reduced.
In the existing data acquisition method based on the acceleration sensor data returned by the terminal, before a positioning platform provides positioning service for the terminal, positioning data of some terminals of specified types, which are manually acquired in advance, need to be analyzed and processed, so that a unified positioning algorithm is constructed. However, the operation of manually collecting the positioning data is complicated and error is prone to occur, which reduces the efficiency and reliability of the positioning of the terminal.
Optionally, in a possible implementation manner of this embodiment, before 101, the positioning platform may further broadcast indication information to indicate the backhaul location.
Specifically, the backhaul point may include, but is not limited to, a channel, which does not include any branch, and a width of the channel is less than or equal to a preset width threshold. Therefore, the return points can form a real moving track, the accuracy of a positioning algorithm can be further improved, and the reliability of terminal positioning is improved.
Optionally, in a possible implementation manner of this embodiment, in 102, the positioning platform may specifically obtain peak data and trough data included in the acceleration sensor data according to the acceleration sensor data. The positioning platform may then determine a start time and an end time of the step using the peak data and the trough data.
In particular, the acceleration sensor data may include, but is not limited to, an acceleration component in a vertical direction, an acceleration component in a moving direction, or an acceleration component in a lateral direction. Wherein the transverse direction is a direction perpendicular to the direction opposite to the movement direction.
For example, if the acceleration sensor data is an acceleration component in the vertical direction, the positioning platform may determine a step data of the user using the terminal according to the waveform indicated by the pair of peak data and valley data. That is, each waveform may correspond to a step within the time range to which it corresponds.
Alternatively, for another example, if the acceleration sensor data is an acceleration component of the moving direction, the positioning platform may determine a step data of the user using the terminal according to the waveform indicated by the pair of peak data and trough data. That is, each waveform may correspond to a step within the time range to which it corresponds.
Alternatively, for another example, if the acceleration sensor data is an acceleration component in the lateral direction, the positioning platform may determine two step data of the user using the terminal according to the waveforms indicated by the pair of peak data and valley data. That is, each waveform may correspond to two steps within the time range corresponding to each waveform.
In this embodiment, through the positioning data of receiving terminal at passback place passback, and then according to the acceleration sensor data that includes in the positioning data, confirm the step data that the terminal removed makes can be according to step data, it is right the positioning data segmentation is handled to obtain the positioning data that every step corresponds and align promptly, like this, make and to carry out analysis and processing through the positioning data that every step corresponds to obtaining, construct a unified positioning algorithm, need not operating personnel and participate in the collection process, and the rate of accuracy is high moreover, thereby the efficiency and the reliability of location have been improved.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Fig. 2 is a schematic structural diagram of a data acquisition device based on acceleration sensor data returned by a terminal according to another embodiment of the present invention, as shown in fig. 2. The data acquisition device based on the acceleration sensor data returned by the terminal of the embodiment may include a receiving unit 21, a determining unit 22, and a splitting unit 23. The receiving unit 21 is configured to receive positioning data returned by the terminal at a return location, where the positioning data includes acceleration sensor data and other positioning data except the acceleration sensor data; the determining unit 22 is configured to determine step data of the terminal movement according to the acceleration sensor data; and the segmentation unit 23 is configured to perform segmentation processing on the positioning data according to the step data to obtain positioning data corresponding to each step.
Specifically, the positioning data is data required for positioning the terminal by using a wireless positioning technology.
The wireless positioning technology may further include, but is not limited to, Wi-Fi positioning technology, compass positioning technology, barometer positioning technology, and camera positioning technology, in addition to the acceleration sensor positioning technology.
It should be noted that the apparatus provided in this embodiment may be a positioning platform, and is configured to provide a positioning service to a terminal.
Like this, receive the positioning data of terminal postback in passback place through the receiving element, and then by the determining unit according to the acceleration sensor data that includes in the positioning data, confirm the step data that the terminal removed for the segmentation unit can be according to the step data, it is right the positioning data is cut the processing, in order to obtain the positioning data that every step corresponds and align promptly, like this, make and to carry out analysis and processing through the positioning data that every step corresponds to obtaining, construct a unified positioning algorithm, need not operating personnel and participate in the collection process, and the rate of accuracy is high moreover, thereby the efficiency and the reliability of location have been improved.
In addition, by adopting the technical scheme provided by the invention, the positioning data returned by a large number of terminals of different types can be collected, so that the problem that a positioning result calculated by the positioning data of terminals of the types which do not appear is possibly large in error due to limited positioning data collected manually in the prior art can be avoided, and the reliability of terminal positioning can be further improved.
In addition, by adopting the technical scheme provided by the invention, the positioning data returned by the terminal used by the common user can be collected, and the terminal for returning the positioning data does not need to be purchased specially, so that the cost for positioning the terminal is reduced.
In the existing data acquisition device based on the acceleration sensor data returned by the terminal, before a positioning platform provides positioning service for the terminal, positioning data of terminals of some specified types, which are manually acquired in advance, need to be analyzed and processed, so that a unified positioning algorithm is constructed. However, the operation of manually collecting the positioning data is complicated and error is prone to occur, which reduces the efficiency and reliability of the positioning of the terminal.
Optionally, in a possible implementation manner of this embodiment, as shown in fig. 3, the data acquisition apparatus based on acceleration sensor data returned by a terminal according to this embodiment may further include a broadcasting unit 31, configured to broadcast indication information to indicate the return location.
Specifically, the backhaul point may include, but is not limited to, a channel, which does not include any branch, and a width of the channel is less than or equal to a preset width threshold. Therefore, the return points can form a real moving track, the accuracy of a positioning algorithm can be further improved, and the reliability of terminal positioning is improved.
Optionally, in a possible implementation manner of this embodiment, the determining unit 22 may be specifically configured to obtain peak data and trough data included in the acceleration sensor data according to the acceleration sensor data; and determining a start time and an end time of the step using the peak data and the trough data.
In particular, the acceleration sensor data may include, but is not limited to, an acceleration component in a vertical direction, an acceleration component in a moving direction, or an acceleration component in a lateral direction. Wherein the transverse direction is a direction perpendicular to the direction opposite to the movement direction.
For example, if the acceleration sensor data is an acceleration component in the vertical direction, the determining unit 22 may determine one step data of the user using the terminal according to the waveform indicated by the pair of peak data and valley data. That is, each waveform may correspond to a step within the time range to which it corresponds.
Alternatively, for another example, if the acceleration sensor data is an acceleration component in the moving direction, the determining unit 22 may determine one step data of the user using the terminal according to the waveform indicated by the pair of peak data and valley data. That is, each waveform may correspond to a step within the time range to which it corresponds.
Alternatively, for another example, if the acceleration sensor data is an acceleration component in the lateral direction, the determining unit 22 may determine two pieces of step data of the user using the terminal based on the waveforms indicated by the pair of peak data and valley data. That is, each waveform may correspond to two steps within the time range corresponding to each waveform.
In this embodiment, receive the positioning data of terminal at passback place passback through the receiving element, and then by the determining unit according to the acceleration sensor data that includes in the positioning data, confirm the step data that the terminal removed for the segmentation unit can be according to step data, it is right the positioning data is cut the processing, to obtain the positioning data that every step corresponds and align promptly, like this, make and to carry out analysis and processing through the positioning data that every step corresponds to obtaining, construct a unified positioning algorithm, need not operating personnel and participate in the collection process, and the rate of accuracy is high moreover, thereby the efficiency and the reliability of location have been improved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
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, 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, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are 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.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A data acquisition method of acceleration sensor data based on terminal postback is characterized by comprising the following steps:
receiving positioning data returned by a terminal at a return place, wherein the positioning data comprises acceleration sensor data and other positioning data except the acceleration sensor data;
determining the moving step data of the terminal according to the acceleration sensor data;
according to the step data, carrying out segmentation processing on the positioning data to obtain positioning data corresponding to each step; wherein,
the return location comprises a channel, the channel does not comprise any branch, and the width of the channel is less than or equal to a preset width threshold value.
2. The method according to claim 1, wherein the receiving terminal is prior to the positioning data transmitted back at the transmitting location, further comprising:
and broadcasting indication information for indicating the return location.
3. The method according to any of claims 1-2, wherein determining the step data of the terminal movement from the acceleration sensor data comprises:
according to the acceleration sensor data, obtaining peak data and trough data contained in the acceleration sensor data;
determining a start time and an end time of the step using the peak data and the trough data.
4. The method of claim 3, wherein the acceleration sensor data comprises a vertical direction acceleration component, a moving direction acceleration component, or a lateral direction acceleration component.
5. The utility model provides a data acquisition device of acceleration sensor data based on terminal passback which characterized in that includes:
the receiving unit is used for receiving positioning data returned by the terminal at a return place, wherein the positioning data comprises acceleration sensor data and other positioning data except the acceleration sensor data;
the determining unit is used for determining the moving step data of the terminal according to the acceleration sensor data;
the segmentation unit is used for segmenting the positioning data according to the step data to obtain the positioning data corresponding to each step; wherein,
the return location comprises a channel, the channel does not comprise any branch, and the width of the channel is less than or equal to a preset width threshold value.
6. The apparatus of claim 5, further comprising a broadcasting unit for broadcasting
And broadcasting indication information for indicating the return location.
7. The device according to any of claims 5 to 6, wherein the determination unit is specifically configured to determine the current position of the object
According to the acceleration sensor data, obtaining peak data and trough data contained in the acceleration sensor data; and determining a start time and an end time of the step using the peak data and the trough data.
8. The apparatus according to claim 7, wherein the acceleration sensor data received by the receiving unit includes an acceleration component in a vertical direction, an acceleration component in a moving direction, or an acceleration component in a lateral direction.
CN201410031061.4A 2014-01-22 2014-01-22 The collecting method and device of the acceleration transducer data returned based on terminal Active CN103796160B (en)

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CN102944240A (en) * 2012-11-02 2013-02-27 清华大学 Inertial navigation system based on smart phone and method thereof
CN103068043A (en) * 2013-01-23 2013-04-24 四川长虹佳华信息产品有限责任公司 Indoor accurately positioning method based on wireless fidelity (WIFI) and acceleration sensor

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WO2010044592A2 (en) * 2008-10-14 2010-04-22 Electronics And Telecommunications Research Institute Home base station and method for controlling the same
CN102944240A (en) * 2012-11-02 2013-02-27 清华大学 Inertial navigation system based on smart phone and method thereof
CN103068043A (en) * 2013-01-23 2013-04-24 四川长虹佳华信息产品有限责任公司 Indoor accurately positioning method based on wireless fidelity (WIFI) and acceleration sensor

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