CN113225787A - Wi-Fi scanning method, terminal equipment and storage medium - Google Patents
Wi-Fi scanning method, terminal equipment and storage medium Download PDFInfo
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- CN113225787A CN113225787A CN202110369010.2A CN202110369010A CN113225787A CN 113225787 A CN113225787 A CN 113225787A CN 202110369010 A CN202110369010 A CN 202110369010A CN 113225787 A CN113225787 A CN 113225787A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the application discloses a Wi-Fi scanning method, terminal equipment and a storage medium, which are used for deciding the frequency required by the next Wi-Fi scanning according to the scene where the terminal equipment is located, so that the aim of saving the power consumption and the performance of the terminal equipment can be fulfilled. The method of the embodiment of the invention is applied to the terminal equipment and comprises the following steps: acquiring a first wireless fidelity Wi-Fi scanning result of the terminal equipment in a first period, wherein the first Wi-Fi scanning result comprises a first basic service set name BSSID corresponding to at least one access point; determining the scene of the terminal equipment according to the first Wi-Fi scanning result; and updating the scanning frequency according to the scene of the terminal equipment.
Description
Technical Field
The present invention relates to the field of routers, and in particular, to a Wi-Fi scanning method, a terminal device, and a storage medium.
Background
In the prior art, the scanning frequency of the terminal device to the Wireless Fidelity (Wi-Fi) is mostly fixed. Wi-Fi scanning frequency has certain influence on roaming of terminal equipment among different Access Points (APs), the higher the Wi-Fi scanning frequency is, the smoother the roaming is, but if the Wi-Fi scanning frequency is great at any time, the power consumption of the terminal equipment is increased, and the internet surfing is influenced.
Disclosure of Invention
The embodiment of the invention provides a Wi-Fi scanning method, terminal equipment and a storage medium, which are used for deciding the frequency required by the next Wi-Fi scanning according to the scene where the terminal equipment is located, so that the aim of saving the power consumption and the performance of the terminal equipment can be fulfilled.
A first aspect of the present application provides a method for Wi-Fi scanning, which may include:
acquiring a first wireless fidelity Wi-Fi scanning result of the terminal equipment in a first period, wherein the first Wi-Fi scanning result comprises a first basic service set name BSSID corresponding to at least one access point;
determining the scene of the terminal equipment according to the first Wi-Fi scanning result;
and updating the scanning frequency according to the scene of the terminal equipment.
A second aspect of the present application provides a terminal device, which may include:
an obtaining module, configured to obtain a first Wi-Fi scanning result of a first period of the terminal device, where the first Wi-Fi scanning result includes a first basic service set name BSSID corresponding to at least one access point;
the processing module is used for determining the scene where the terminal equipment is located according to the first Wi-Fi scanning result; and updating the scanning frequency according to the scene of the terminal equipment.
A third aspect of the present application provides a terminal device, which may include:
a memory storing executable program code;
a processor and transceiver coupled with the memory;
the transceiver and the processor invoke the executable program code stored in the memory for performing the method according to the first aspect of the application.
A fourth aspect of the present application provides a computer-readable storage medium comprising instructions which, when executed on a processor, cause the processor to perform the method of the first aspect of the present application.
In another aspect, an embodiment of the present invention discloses a computer program product, which, when running on a computer, causes the computer to execute the method of the first aspect of the present application.
In another aspect, an embodiment of the present invention discloses an application publishing platform, where the application publishing platform is configured to publish a computer program product, where when the computer program product runs on a computer, the computer is caused to execute the method according to the first aspect of the present application.
According to the technical scheme, the embodiment of the invention has the following advantages:
in the embodiment of the application, a first wireless fidelity Wi-Fi scanning result of a first period of the terminal equipment is obtained, wherein the first Wi-Fi scanning result comprises a first basic service set name BSSID corresponding to at least one access point; determining the scene of the terminal equipment according to the first Wi-Fi scanning result; and updating the scanning frequency according to the scene of the terminal equipment. The method comprises the steps that auxiliary judgment is not needed by a server, and the scene where the terminal equipment is located is identified completely based on the processing of the existing Wi-Fi scanning result of the terminal equipment; the frequency of the next scanning is determined to achieve the effect of saving power consumption.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the embodiments and the drawings used in the description of the prior art, and obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to the drawings.
FIG. 1 is a schematic diagram of an embodiment of a method for Wi-Fi scanning in an embodiment of the present application;
fig. 2A is a schematic diagram of determining a scene and a state of a terminal device in the present application;
FIG. 2B is a schematic diagram of a decision tree generated in the present application;
FIG. 3 is a diagram of an embodiment of a terminal device in an embodiment of the present invention;
fig. 4 is a schematic diagram of another embodiment of the terminal device in the embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a Wi-Fi scanning method, terminal equipment and a storage medium, which are used for deciding the frequency required by the next Wi-Fi scanning according to the scene where the terminal equipment is located, so that the aim of saving the power consumption and the performance of the terminal equipment can be fulfilled.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be 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 embodiments. The embodiments based on the present invention should fall into the protection scope of the present invention.
In the prior art, the scanning frequency of the terminal device for Wireless Fidelity (Wi-Fi) is mostly fixed, and the scanning frequency of the Wi-Fi is not adaptively changed by recognizing a user scene. Wi-Fi scanning frequency has certain influence on roaming of terminal equipment among different Access Points (APs), the higher the Wi-Fi scanning frequency is, the smoother the roaming is, but if the Wi-Fi scanning frequency is great at any time, the power consumption of the terminal equipment is increased, and the internet surfing is influenced, so that the fact that different Wi-Fi scanning frequencies are used in different scenes and good experience is provided is very important.
Aiming at the identification of a user scene, in one implementation mode, the scene where a user is located is identified based on a Wi-Fi portrait, a large amount of Wi-Fi information needs to be collected and marked on the scene, a Wi-Fi portrait table, namely a Wi-Fi fingerprint, is enriched, the Wi-Fi portrait table is stored at a server side or a terminal equipment side and needs to be updated continuously, and therefore the scene where the user is located is accurately judged; and when the terminal equipment is identified, the terminal equipment and the server need to communicate.
In addition, in one implementation, by combining a positioning algorithm of a propagation model and fingerprint positioning, the Received Signal Strength (RSSI) of a reference point is estimated as pseudo fingerprint data based on an indoor propagation model, so that indoor positioning can be accurately performed in a scene with many APs.
In addition to using single Wi-Fi information for Positioning, in one implementation, the Positioning is performed by combining an acceleration sensor, a gyroscope, Wi-Fi hotspot detection, a base station and a Global Positioning System (GPS) Positioning technology. The principle is that the collected data are uploaded to a server, the position is determined through a server specific matching algorithm, and then the position result is fed back to the terminal equipment.
The scheme mainly focuses on accurate positioning, and no technical scheme is available for identifying and judging the moving state of a user; network data traffic is consumed when communication with a server side is required, and the privacy of a user has certain potential safety hazard; a lot of resources are consumed when the Wi-Fi information is collected and the database is established, and the established Wi-Fi fingerprint database needs to be continuously updated and maintained, so that the application range is limited; moreover, Wi-Fi fingerprints are not suitable for accurate positioning due to the unstable nature of the Wi-Fi fingerprints; no solution optimizes for Wi-Fi scanning frequencies with the above information.
In the embodiment of the application, the terminal equipment supports Wi-Fi connection. And may also be referred to as User Equipment (UE), access terminal, subscriber unit, subscriber station, mobile station, remote terminal, mobile device, User terminal, wireless communication device, User agent, or User device, etc.
The terminal device may be a station (station, ST) in a Wireless Local Area Network (WLAN), and may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with Wireless communication function, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a next generation communication system such as an NR Network, or a terminal device in a future evolved Public Land Mobile Network (PLMN) Network, and the like.
In the embodiment of the application, the terminal equipment can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.).
In this embodiment, the terminal device may be a Mobile Phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a terminal device in industrial control (industrial control), a terminal device in unmanned driving (self driving), a terminal device in remote medical treatment (remote medical), a terminal device in smart grid (smart grid), a terminal device in transportation safety (transportation safety), a terminal device in smart city (smart city), a terminal device in smart home (smart home), or the like.
By way of example and not limitation, in the embodiments of the present application, the terminal device may also be a wearable device. Wearable equipment can also be called wearable intelligent equipment, is the general term of applying wearable technique to carry out intelligent design, develop the equipment that can dress to daily wearing, like glasses, gloves, wrist-watch, dress and shoes etc.. A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. The generalized wearable smart device includes full functionality, large size, and can implement full or partial functionality without relying on a smart phone, such as: smart watches or smart glasses and the like, and only focus on a certain type of application functions, and need to be used in cooperation with other devices such as smart phones, such as various smart bracelets for physical sign monitoring, smart jewelry and the like.
In order to overcome the defects, in the technical scheme of the application, data collection and updating of the server are not needed, communication with the server is not needed, and Wi-Fi scanning results are processed on the terminal equipment side; the moving state and the scene of the user can be inferred through a corresponding algorithm. Meanwhile, the corresponding Wi-Fi scanning frequency can be optimized based on the recognition and classification of the scene and the user state, so that the power consumption of the terminal equipment is reduced, and unnecessary scanning of the terminal equipment is reduced.
The following further describes the technical solution of the present application by way of an embodiment, as shown in fig. 1, which is a schematic view of an embodiment of a Wi-Fi scanning method in the embodiment of the present application, and is applied to a terminal device, where the method may include:
101. the method comprises the steps of obtaining a first wireless fidelity Wi-Fi scanning result of a first period of terminal equipment, wherein the first Wi-Fi scanning result comprises a first basic service set name BSSID corresponding to at least one access point.
Optionally, the first Wi-Fi scanning result includes the number of first basic service set name BSSIDs.
Optionally, the first Wi-Fi scanning result includes a signal strength corresponding to a first basic service set name BSSID.
It can be understood that the first Wi-Fi scanning result includes a first basic service set name BSSID corresponding to each router, and mainly includes a first BSSID corresponding to each router detected by the terminal device within a detectable range.
Optionally, a first wireless fidelity Wi-Fi scanning result of the terminal device which scans at a first scanning frequency in a first period is obtained.
Exemplarily, the embodiment of the application can be divided into four stages, namely 1) a stage of obtaining Wi-Fi scanning results after periodically triggering scanning; 2) filtering Wi-Fi scanning results; 3) an algorithm decision scene stage; 4) and a scanning frequency adjusting stage.
1) Obtaining Wi-Fi scanning result after periodic trigger scanning
In the terminal device, the period is set to trigger scanning and obtain valid Wi-Fi scanning results, and the period may be adjusted, for example, 15s is used to obtain valid Wi-Fi scanning results once. And the current Wi-Fi scanning result is stored once, and the current Wi-Fi scanning result is cleared after the next scanning is finished. The specific process is as follows:
time slot 1: obtaining Wi-Fi scanning result1Save resultsave＝result1；result1Which may also be understood as the second BSSID hereinafter.
Time slot 2: obtaining Wi-Fi scan junctionsFruit result2Using result1And result2Clear resultsaveSave resultsave＝result2；result2Which may be understood as the first BSSID above.
2) And a phase of filtering Wi-Fi scanning results
Because the scheme is suitable for most public occasions, in order to reduce the interference of the calculated coincidence rate caused by the Wi-Fi scanning result, the Wi-Fi scanning result can be filtered firstly. The filtering method may include, but is not limited to, the following descriptions:
mode 1: filtering according to an encryption mode to filter out unencrypted Wi-Fi in the environment; since the unencrypted Wi-Fi is located in a fixed place in most public places, such as shopping malls, airports and other scenes, the encrypted Wi-Fi is a personal hotspot. Therefore, interference may be reduced by filtering unencrypted public Wi-Fi.
Mode 2: filtering the number of APs; in some public scenes, the number of APs may be very large, and at this time, due to the limitation of the scanning strength of the terminal device, all APs in the environment cannot be scanned at one time, so the present scheme sorts the number of APs according to the signal strength, for example, the APs 70 first in signal strength are taken as the scanning result.
Optionally, the first BSSID is a BSSID corresponding to unencrypted Wi-Fi. I.e., here the first BSSID, may have been cryptographically filtered, and/or the number of APs filtered.
102. And determining the scene of the terminal equipment according to the first Wi-Fi scanning result.
Optionally, the determining, by the terminal device, the scene where the terminal device is located according to the first Wi-Fi scanning result includes: and the terminal equipment determines the scene where the terminal equipment is located according to the number corresponding to the first BSSID.
Optionally, the determining, by the terminal device, a scene where the terminal device is located according to the number corresponding to the first BSSID may include:
(1) if the number corresponding to the first BSSID is smaller than a first threshold, determining that the scene where the terminal equipment is located is outdoor;
(2) and if the number corresponding to the first BSSID is larger than or equal to the first threshold, determining that the scene where the terminal equipment is located is indoor.
Alternatively, the room may include, but is not limited to, an airport, a mall, a school, a hospital, an office building, a parking lot, and the like. Indoors is also understood to mean outdoors.
Optionally, the determining, by the terminal device, a scene where the terminal device is located according to the first Wi-Fi scanning result may include: and the terminal equipment determines that the scene where the terminal equipment is located is an airport, a market, a school or a hospital according to the first BSSID.
Optionally, the determining, by the terminal device, that the scene where the terminal device is located is an airport, a mall, a school, or a hospital according to the first BSSID may include:
(1) if the number corresponding to the first BSSID is larger than or equal to the first threshold and smaller than a second threshold, determining that the scene where the terminal equipment is located is an airport, a mall, a school or a hospital according to the first BSSID;
(2) and if the number corresponding to the first BSSID is larger than the second threshold, determining a target BSSID of which the signal strength is larger than a preset threshold in the first BSSID, and determining that the scene where the terminal equipment is located is an airport, a market, a school or a hospital according to the target BSSID.
It should be noted that, according to the key characters in the first BSSID or the target BSSID, it may be determined that the scene where the terminal device is located is an airport, a mall, a school, or a hospital.
103. And updating the scanning frequency according to the scene of the terminal equipment.
Optionally, updating the scanning frequency according to the scene where the terminal device is located may include: and updating the scanning frequency according to the scene of the terminal equipment and a preset algorithm. It will be appreciated that what is updated here is the scan frequency which is actually the next time, i.e. the next cycle.
Optionally, the method may further include: the terminal equipment acquires a second Wi-Fi scanning result of a second period of the terminal equipment, wherein the second Wi-Fi scanning result comprises a second BSSID corresponding to at least one access point; the second period is a previous period of the first period.
The determining, by the terminal device, a scene where the terminal device is located according to the first Wi-Fi scanning result may include: and the terminal equipment determines the scene where the terminal equipment is located according to the first Wi-Fi scanning result and the second Wi-Fi scanning result.
Optionally, a second Wi-Fi scanning result that is scanned at a second scanning frequency in a second period of the terminal device is obtained.
Optionally, the determining, by the terminal device, a scene where the terminal device is located according to the first Wi-Fi scanning result and the second Wi-Fi scanning result may include: the terminal equipment determines the scene where the terminal equipment is located according to the first BSSID; the terminal equipment determines the state of the terminal equipment according to the coincidence rate of the first BSSID and the second BSSID;
the updating, by the terminal device, the scanning frequency according to the scene where the terminal device is located may include: and the terminal equipment updates the scanning frequency according to the scene and the state of the terminal equipment.
Optionally, the updating, by the terminal device, the scanning frequency according to the scene where the terminal device is located and a preset algorithm may include: and the terminal equipment updates the scanning frequency according to the scene and the state of the terminal equipment and a preset algorithm.
Optionally, the second BSSID is a BSSID corresponding to unencrypted Wi-Fi. I.e., here the second BSSID, may have been cryptographically filtered, and/or the number of APs filtered.
Optionally, because the second BSSID is obtained before the first BSSID, when the second BSSID is a BSSID corresponding to unencrypted Wi-Fi, the first BSSID is also a BSSID corresponding to unencrypted Wi-Fi.
It can be understood that the scene and the state of the terminal device can also be understood as the scene and the state of the user. The state in which the user is located may also be referred to as a user movement state.
Optionally, the determining, by the terminal device, the state of the terminal device according to the coincidence rate of the first BSSID and the second BSSID may include:
(1) if the coincidence rate is smaller than a first coincidence threshold, determining that the terminal equipment is in a state that the moving speed is larger than a first speed threshold;
(2) if the coincidence rate is greater than or equal to the first coincidence threshold and smaller than a second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the first speed threshold and greater than the second speed threshold;
(3) and if the coincidence rate is greater than the second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the second speed threshold.
3) Algorithm decision scene phase
In the application, Basic Service Set names (BSSIDs ) in Wi-Fi scanning results are used as main information, BSSIDs of all filtered APs in current Wi-Fi scanning results and BSSIDs of all filtered APs in previous Wi-Fi scanning results are taken, coincidence rate of the two groups of BSSIDs is calculated, and scenes where terminal equipment is located and states where the terminal equipment is located are identified through judgment of the coincidence rate.
Fig. 2A is a schematic diagram illustrating a scenario and a state of a terminal device according to the present application. In fig. 2A, the number of the current BSSIDs is smaller than a first threshold, the first threshold may be 3 as an example, and the number of the current BSSIDs is larger than the second threshold, the second threshold may be 100 as an example, and in practical application, the number is not limited specifically and may be determined according to practical situations.
a. Method for judging rough scene according to SSID:
illustratively, the recognition scenes can be classified into four categories, namely, shopping malls, airports, schools and outdoors. Because the names of various malls, airports and schools have many same points, for example, the names including key characters such as 'airport, airport' and the like can be judged as the airports; for example, key characters including "School, Edu" and the like can be judged as School; for example, the system can be judged as a market by including the name of each business district and the name of each business district, so that the scene where the terminal equipment is located can be output.
b. The method for calculating the coincidence rate comprises the following steps:
step 1: comparison of N1And N2Size, if N1<N2；
Step 2: calculating the number S of BSSIDs in the current Wi-Fi scanning result and BSSIDs in the previous Wi-Fi scanning result which are the same;
and step 3: calculating the coincidence ratio
Wherein N is1And N2Representing the number of BSSIDs in the current and previous Wi-Fi scan results, respectively.
c. Judging the state of the terminal equipment according to the coincidence rate:
in this scheme, the state of the terminal device is identified as a state (short for short, a small-range moving or stationary state) in which the moving speed is equal to or less than the second speed threshold (for example, 7km/h shown in fig. 2B), a state (short for short, a large-range moving state) in which the moving speed is equal to or less than the first speed threshold and is greater than the second speed threshold (for example, 20km/h shown in fig. 2B), and a state (short for short, a high-speed moving state) in which the moving speed is greater than the first speed threshold.
The sizes of the coincidence rates in different moving states are obtained based on the statistical results of the coincidence rates in different moving states, so that the moving state of the terminal equipment, namely the moving state of the user, can be judged according to the size of the currently calculated coincidence rate.
In the example shown in fig. 2A, in the case where the overlapping ratio is less than 10%, the terminal device is in a high-speed moving state; under the condition that the coincidence rate is more than or equal to 10% and less than 70%, the terminal equipment is in a large-range moving state; when the overlapping ratio is 70% or more, the terminal device is in a small-range moving or stationary state.
An example of a statistical coincidence method is as follows:
1) walking in a small range in a shopping mall for 5 minutes, and counting 20 Wi-Fi scanning results to obtain the coincidence rate of 19 times;
2) moving in a large range in a business circle, lasting for 10 minutes, and counting the Wi-Fi scanning results for 40 times to obtain the coincidence rate for 39 times;
3) and (5) counting the Wi-Fi scanning results for 40 times from the business district 1 to the business district 2 within 15s of one-way time without stopping the round trip, and obtaining the coincidence rate of 39 times.
d. Outputting the scene and the state of the terminal equipment at the moment:
through the process, scenes of the user such as an airport, a market, a school and the outdoors, and moving states such as a small-range moving or static state, a high-speed moving state, a large-range moving state and the like are obtained, and the scenes of the user and the states of the user at the moment can be obtained by combining the scenes of the user and the states of the user, such as a small-range moving state in the airport, a large-range moving state in a business district, an outdoor state and the like.
4) Scanning frequency adjusting stage
According to the scene and the state of the terminal equipment at the moment, the scanning frequency can be updated, and the self-adaptive effect is achieved; the update mode can decide how many seconds to wait for the next trigger scan through a decision tree algorithm.
Fig. 2B is a schematic diagram of generating a decision tree according to the present application. The scanning frequency can be set to a required value according to the power consumption of the terminal equipment and the user sensitivity; in addition, the characteristics of the moving speed of the terminal equipment, the types of scenes and the like can be further refined; the required decision tree is generated through the selection of the two main characteristics, and the terminal equipment determines the interval time of the next scanning through the decision tree, so that the function of self-adaptive scanning is achieved. In the decision tree shown in fig. 2B, the non-motion can be classified as low-speed motion, resulting in a corresponding scanning frequency.
It should be noted that the terminal device may also update the interval time of the next scanning according to the scene where the terminal device is located and a preset algorithm, without considering the state of the terminal device. In the decision tree, the corresponding scanning frequency is determined according to historical big data in the scene and the state of different terminal devices, and at the moment, the corresponding scanning frequency is good in comprehensive experience for a user, for example, the power consumption is low.
Optionally, the method further includes: the method comprises the steps that terminal equipment obtains first information, wherein the first information comprises at least one of the following information:
a Bluetooth scanning result, a Global Positioning System (GPS) Positioning, information of an acceleration sensor, time using Wi-Fi, and time frequency using Wi-Fi;
updating the first scanning frequency according to the scene where the terminal device is located may include: and updating the first scanning frequency according to the scene of the terminal equipment and the first information.
Optionally, updating the first scanning frequency according to the scene where the terminal device is located and a preset algorithm may include: and updating the first scanning frequency according to the scene of the terminal equipment, a preset algorithm and the first information.
That is, besides the above-described two features of the scene and the state of the terminal device, there are many features in the terminal device, such as the bluetooth scanning result of the near field communication, the GPS positioning, the data of the acceleration sensor, and the time point and frequency of the Wi-Fi used by the user, which can be selected to determine the scanning frequency.
104. And scanning at the updated scanning frequency in the next period.
For example, in the application, firstly, the scheme can identify the state of the user using the terminal device, such as high-speed movement, walking and the like, and the scene of the user, such as some public scenes and the like, based on the Wi-Fi scanning result of the frame layer of the terminal device each time, so that when the user enters some special scenes, some customized services or functions can be made.
Secondly, the Wi-Fi scanning frequency is changed through the scenes and the states, so that the overall power consumption of the terminal equipment is reduced. For example, when the user walks into a shopping mall from outdoors when using the terminal device, Wi-Fi information of the corresponding environment where the user is located can be obtained by Wi-Fi scanning when entering the shopping mall and before entering the shopping mall, and the user can be presumed to have entered the shopping mall based on the scanning result. The identification result can be used for facility recommendation of a shopping mall. If the user moves at a high speed in a shopping mall, the Wi-Fi scanning frequency of the terminal equipment can be reduced; the Wi-Fi scanning frequency of the terminal equipment can be improved under the condition that the user moves at a low speed in a shopping mall.
In the embodiment of the application, a first wireless fidelity Wi-Fi scanning result of a first period of the terminal equipment is obtained, wherein the first Wi-Fi scanning result comprises a first basic service set name BSSID corresponding to at least one access point; determining the scene of the terminal equipment according to the first Wi-Fi scanning result; and updating the scanning frequency according to the scene of the terminal equipment. The method comprises the steps that auxiliary judgment is not needed by a server, and the scene where the terminal equipment is located is identified completely based on the processing of the existing Wi-Fi scanning result of the terminal equipment; the frequency of the next scanning is determined to achieve the effect of saving power consumption. Furthermore, the identification of the current state and the scene of the user can optimize the performance of the terminal equipment used by the user and customize the scene, such as advertisement pushing of a corresponding merchant and the like, according to the specific scene and state. The terminal equipment further selects a corresponding algorithm to decide the frequency required by the next scanning according to the scene where the terminal equipment is located and the state where the terminal equipment is located, so that the purposes of saving power consumption and performance can be achieved.
As shown in fig. 3, which is a schematic diagram of an embodiment of a terminal device in the embodiment of the present invention, the schematic diagram may include:
an obtaining module 301, configured to obtain a first Wi-Fi scanning result of a first period of the terminal device, where the first Wi-Fi scanning result includes a first basic service set name BSSID corresponding to at least one access point;
a processing module 302, configured to determine, according to the first Wi-Fi scanning result, a scene where the terminal device is located; and updating the scanning frequency according to the scene of the terminal equipment.
Optionally, the processing module 302 is specifically configured to determine a scene where the terminal device is located according to the number corresponding to the first BSSID.
Optionally, the processing module 302 is specifically configured to determine that a scene where the terminal device is located is outdoors if the number corresponding to the first BSSID is smaller than a first threshold; and if the number corresponding to the first BSSID is larger than or equal to the first threshold, determining that the scene where the terminal equipment is located is indoor.
Optionally, the processing module 302 is further configured to obtain a second Wi-Fi scanning result of the terminal device in a second period, where the second Wi-Fi scanning result includes a second BSSID corresponding to at least one access point;
the processing module 302 is specifically configured to determine a scene where the terminal device is located according to the first Wi-Fi scanning result and the second Wi-Fi scanning result.
Optionally, the processing module 302 is specifically configured to determine a scene where the terminal device is located according to the first BSSID; determining the state of the terminal equipment according to the coincidence rate of the first BSSID and the second BSSID; and updating the first scanning frequency according to the scene and the state of the terminal equipment.
Optionally, the processing module 302 is specifically configured to determine that the state of the terminal device is a state in which the moving speed is greater than a first speed threshold if the coincidence rate is smaller than the first coincidence threshold; if the coincidence rate is greater than or equal to the first coincidence threshold and smaller than a second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the first speed threshold and greater than the second speed threshold; and if the coincidence rate is greater than the second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the second speed threshold.
Optionally, the first BSSID is a BSSID corresponding to unencrypted Wi-Fi.
Optionally, the processing module 302 is further configured to obtain first information, where the first information includes at least one of the following information:
the method comprises the following steps of (1) scanning results of Bluetooth, GPS positioning of a global positioning system, information of an acceleration sensor, time using Wi-Fi, and time frequency using Wi-Fi;
the processing module 302 is specifically configured to update the first scanning frequency according to the scene where the terminal device is located and the first information.
As shown in fig. 4, which is a schematic diagram of another embodiment of the terminal device in the embodiment of the present invention, the schematic diagram may include:
fig. 4 is a block diagram illustrating a partial structure of a mobile phone related to a terminal device provided in an embodiment of the present invention. Referring to fig. 4, the handset includes: radio Frequency (RF) circuitry 410, memory 420, input unit 430, display unit 440, sensor 450, audio circuitry 460, wireless fidelity (Wi-Fi) module 470, processor 480, and power supply 490. Those skilled in the art will appreciate that the handset configuration shown in fig. 4 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 4:
the RF circuit 410 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, receives downlink information of a base station and then processes the received downlink information to the processor 480; in addition, the data for designing uplink is transmitted to the base station. In general, the RF circuit 410 includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 410 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), and the like.
The memory 420 may be used to store software programs and modules, and the processor 480 executes various functional applications and data processing of the mobile phone by operating the software programs and modules stored in the memory 420. The memory 420 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 420 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The input unit 430 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone. Specifically, the input unit 430 may include a touch panel 431 and other input devices 432. The touch panel 431, also called a touch screen, may collect touch operations of a user on or near the touch panel 431 (e.g., operations of the user on or near the touch panel 431 using any suitable object or accessory such as a finger or a stylus) and drive the corresponding connection device according to a preset program. Alternatively, the touch panel 431 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 480, and receives and executes commands sent from the processor 480. In addition, the touch panel 431 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The input unit 430 may include other input devices 432 in addition to the touch panel 431. In particular, other input devices 432 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 440 may be used to display information input by the user or information provided to the user and various menus of the cellular phone. The Display unit 440 may include a Display panel 441, and optionally, the Display panel 441 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch panel 431 may cover the display panel 441, and when the touch panel 431 detects a touch operation on or near the touch panel 431, the touch panel is transmitted to the processor 480 to determine the type of the touch event, and then the processor 480 provides a corresponding visual output on the display panel 441 according to the type of the touch event. Although the touch panel 431 and the display panel 441 are shown in fig. 4 as two separate components to implement the input and output functions of the mobile phone, in some embodiments, the touch panel 431 and the display panel 441 may be integrated to implement the input and output functions of the mobile phone.
The handset may also include at least one sensor 450, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that adjusts the brightness of the display panel 441 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 441 and/or the backlight when the mobile phone is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
Wi-Fi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the Wi-Fi module 470, and provides wireless broadband internet access for the user. Although fig. 4 shows the Wi-Fi module 470, it is understood that it does not belong to the essential constitution of the handset and can be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 480 is a control center of the mobile phone, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 420 and calling data stored in the memory 420, thereby integrally monitoring the mobile phone. Optionally, processor 480 may include one or more processing units; preferably, the processor 480 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 480.
The handset also includes a power supply 490 (e.g., a battery) for powering the various components, which may preferably be logically connected to the processor 480 via a power management system, so that the power management system may perform functions such as managing charging, discharging, and power consumption.
Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which are not described herein.
In this embodiment of the present invention, the processor 480 is configured to obtain a first Wi-Fi scanning result of the terminal device in a first period, where the first Wi-Fi scanning result includes a first basic service set name BSSID corresponding to at least one access point; determining the scene of the terminal equipment according to the first Wi-Fi scanning result; and updating the scanning frequency according to the scene of the terminal equipment.
Optionally, the processor 480 is specifically configured to determine a scene where the terminal device is located according to the number corresponding to the first BSSID.
Optionally, the processor 480 is specifically configured to determine that a scene where the terminal device is located is outdoors if the number corresponding to the first BSSID is smaller than a first threshold; and if the number corresponding to the first BSSID is larger than or equal to the first threshold, determining that the scene where the terminal equipment is located is indoor.
Optionally, the processor 480 is further configured to obtain a second Wi-Fi scanning result of the terminal device in a second period, where the second Wi-Fi scanning result includes a second BSSID corresponding to at least one access point; the processor 480 is specifically configured to determine a scene where the terminal device is located according to the first Wi-Fi scanning result and the second Wi-Fi scanning result.
Optionally, the processor 480 is specifically configured to determine a scene where the terminal device is located according to the first BSSID; determining the state of the terminal equipment according to the coincidence rate of the first BSSID and the second BSSID; and updating the first scanning frequency according to the scene and the state of the terminal equipment.
Optionally, the processor 480 is specifically configured to:
if the coincidence rate is smaller than a first coincidence threshold, determining that the terminal equipment is in a state that the moving speed is larger than a first speed threshold;
if the coincidence rate is greater than or equal to the first coincidence threshold and smaller than a second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the first speed threshold and greater than the second speed threshold;
and if the coincidence rate is greater than the second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the second speed threshold.
Optionally, the first BSSID is a BSSID corresponding to unencrypted Wi-Fi.
Optionally, the processor 480 is further configured to obtain first information, where the first information includes at least one of the following information:
the method comprises the following steps of (1) scanning results of Bluetooth, GPS positioning of a global positioning system, information of an acceleration sensor, time using Wi-Fi, and time frequency using Wi-Fi;
the processor 480 is specifically configured to update the first scanning frequency according to the scene where the terminal device is located and the first information.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product.
The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that a computer can store or a data storage device, such as a server, a data center, etc., that is integrated with one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
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, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, 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 above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; 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 (11)
1. A Wi-Fi scanning method is applied to terminal equipment and is characterized by comprising the following steps:
acquiring a first wireless fidelity Wi-Fi scanning result of the terminal equipment in a first period, wherein the first Wi-Fi scanning result comprises a first basic service set name BSSID corresponding to at least one access point;
determining the scene of the terminal equipment according to the first Wi-Fi scanning result;
and updating the scanning frequency according to the scene of the terminal equipment.
2. The method according to claim 1, wherein the determining a scene where the terminal device is located according to the first Wi-Fi scanning result comprises:
and determining the scene of the terminal equipment according to the number corresponding to the first BSSID.
3. The method according to claim 2, wherein the determining the scene where the terminal device is located according to the number corresponding to the first BSSID comprises:
if the number corresponding to the first BSSID is smaller than a first threshold, determining that the scene where the terminal equipment is located is outdoor;
and if the number corresponding to the first BSSID is larger than or equal to the first threshold, determining that the scene where the terminal equipment is located is indoor.
4. The method according to any one of claims 1-3, further comprising:
acquiring a second Wi-Fi scanning result of the terminal equipment in a second period, wherein the second Wi-Fi scanning result comprises a second BSSID corresponding to at least one access point;
the determining the scene where the terminal device is located according to the first Wi-Fi scanning result includes:
and determining the scene of the terminal equipment according to the first Wi-Fi scanning result and the second Wi-Fi scanning result.
5. The method according to claim 4, wherein the determining the scene where the terminal device is located according to the first Wi-Fi scanning result and the second Wi-Fi scanning result comprises:
determining the scene where the terminal equipment is located according to the first BSSID;
determining the state of the terminal equipment according to the coincidence rate of the first BSSID and the second BSSID;
the updating the first scanning frequency according to the scene of the terminal device includes:
and updating the first scanning frequency according to the scene and the state of the terminal equipment.
6. The method according to claim 5, wherein the determining the state of the terminal device according to the coincidence rate of the first BSSID and the second BSSID comprises:
if the coincidence rate is smaller than a first coincidence threshold, determining that the terminal equipment is in a state that the moving speed is larger than a first speed threshold;
if the coincidence rate is greater than or equal to the first coincidence threshold and smaller than a second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the first speed threshold and greater than the second speed threshold;
and if the coincidence rate is greater than the second coincidence threshold, determining that the terminal equipment is in a state that the moving speed is less than or equal to the second speed threshold.
7. The method according to any of claims 1-3, wherein the first BSSID is a BSSID corresponding to unencrypted Wi-Fi.
8. The method according to any one of claims 1-3, further comprising:
acquiring first information, wherein the first information comprises at least one of the following information:
the method comprises the following steps of (1) scanning results of Bluetooth, GPS positioning of a global positioning system, information of an acceleration sensor, time using Wi-Fi, and time frequency using Wi-Fi;
updating the first scanning frequency according to the scene of the terminal equipment, including:
and updating the first scanning frequency according to the scene of the terminal equipment and the first information.
9. A terminal device, comprising:
an obtaining module, configured to obtain a first Wi-Fi scanning result of a first period of the terminal device, where the first Wi-Fi scanning result includes a first basic service set name BSSID corresponding to at least one access point;
the processing module is used for determining the scene where the terminal equipment is located according to the first Wi-Fi scanning result; and updating the scanning frequency according to the scene of the terminal equipment.
10. A terminal device, comprising:
a memory storing executable program code;
a processor and transceiver coupled with the memory;
the transceiver and the processor invoke the executable program code stored in the memory for performing the method of any of claims 1-8.
11. A computer-readable storage medium comprising instructions that, when executed on a processor, cause the processor to perform the method of any one of claims 1-8.
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