WO2021164548A1 - 室内定位方法、电子设备及存储介质 - Google Patents

室内定位方法、电子设备及存储介质 Download PDF

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Publication number
WO2021164548A1
WO2021164548A1 PCT/CN2021/075026 CN2021075026W WO2021164548A1 WO 2021164548 A1 WO2021164548 A1 WO 2021164548A1 CN 2021075026 W CN2021075026 W CN 2021075026W WO 2021164548 A1 WO2021164548 A1 WO 2021164548A1
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WIPO (PCT)
Prior art keywords
positioning
electronic device
beacon information
circuit
bluetooth
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PCT/CN2021/075026
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English (en)
French (fr)
Inventor
邓伟
关红涛
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京东方科技集团股份有限公司
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Priority to US17/431,629 priority Critical patent/US11974200B2/en
Publication of WO2021164548A1 publication Critical patent/WO2021164548A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/01—Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption
    • G01S5/017—Detecting state or type of motion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/01—Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption
    • G01S5/019—Energy consumption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present disclosure relates to the field of computer application technology, and in particular to an indoor positioning method, electronic equipment and storage medium.
  • GNSS Global Navigation Satellite System
  • GPS Global Positioning System
  • BDS BeiDou Navigation Satellite System
  • the indoor positioning method proposed in an embodiment of the present disclosure includes: determining the current state of the electronic device according to the current speed parameter of the sensor; if it is determined that the electronic device is currently in motion, turning on the Bluetooth in the electronic device Positioning circuit; according to the positioning beacon information obtained by the Bluetooth positioning circuit, determine the current location of the electronic device.
  • the electronic device provided by another embodiment of the present disclosure includes: a sensor, a main control circuit, and a Bluetooth positioning circuit; the sensor is used to determine the current speed parameter of the electronic device; the main control circuit is used to determine the current speed parameter of the electronic device; The parameter determines the current state of the electronic device; if it is determined that the electronic device is currently in motion, the Bluetooth positioning circuit is turned on; and according to the positioning beacon information obtained by the Bluetooth positioning circuit, it is determined that the electronic device is currently in motion. Location.
  • the electronic device proposed by another embodiment of the present disclosure includes: a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and the processor executes the program as described above. Indoor positioning method.
  • Another aspect of the present disclosure provides a computer-readable storage medium with a computer program stored thereon, and when the program is executed by a processor, the indoor positioning method as described above is realized.
  • Another aspect of the computer program provided in an embodiment of the present disclosure is executed by a processor to implement the indoor positioning method described in the embodiment of the present disclosure.
  • the computer program product includes computer instructions that instruct a computing device to execute the indoor positioning method as described above.
  • FIG. 1 is a schematic flowchart of an indoor positioning method provided by an embodiment of the disclosure
  • FIG. 2 is a schematic flowchart of another indoor positioning method provided by an embodiment of the present disclosure.
  • FIG. 3 is a schematic flowchart of yet another indoor positioning method provided by an embodiment of the disclosure.
  • FIG. 4 is a schematic structural diagram of an electronic device provided by an embodiment of the disclosure.
  • FIG. 5 is a schematic diagram of a specific example of an indoor positioning method in an embodiment of the disclosure.
  • FIG. 6 is a schematic structural diagram of an electronic device provided by an embodiment of the disclosure.
  • RSSI Received Signal Strength Indicator
  • an electronic device with a positioning function can be used to locate a person wearing a station badge indoors.
  • Electronic equipment based on RSSI indoor positioning technology generally scans indoor positioning beacons by setting a Bluetooth positioning circuit in the electronic equipment to achieve indoor positioning.
  • the Bluetooth positioning circuit when scanning the scanning positioning beacon, the overall power consumption of the electronic device is increased, and the standby time of the electronic device is reduced.
  • the embodiments of the present disclosure aim at the problem of high power consumption when the Bluetooth positioning circuit scans the scanning positioning beacon in the related art, thereby increasing the overall power consumption of the electronic device and reducing the standby time of the electronic device, and proposes a Indoor positioning method.
  • the indoor positioning method determines the current state of the electronic device according to the current speed parameters of the sensor, and when it is determined that the electronic device is currently in motion, turns on the Bluetooth positioning circuit in the electronic device ; And then determine the current location of the electronic device according to the positioning beacon information acquired by the Bluetooth positioning circuit. Therefore, by turning on the Bluetooth positioning circuit to scan the positioning beacon only when the electronic device is in a motion state, the power consumption of the Bluetooth positioning circuit is reduced and the standby time of the electronic device is improved.
  • FIG. 1 is a schematic flowchart of an indoor positioning method provided by an embodiment of the disclosure.
  • the indoor positioning method includes the following steps:
  • Step 101 Determine the current state of the electronic device according to the current speed parameter of the sensor.
  • the sensor may be a sensor that detects speed parameters such as acceleration and speed of the electronic device, such as an acceleration sensor, a gyroscope, etc., which are not limited in the embodiment of the present disclosure.
  • the current speed parameter of the sensor may include the current acceleration, speed and other parameters of the electronic device, but it is not limited to this. It should be noted that the parameter type included in the current speed parameter of the sensor is related to the type of the sensor.
  • the electronic device is currently in a moving state, which refers to a state where an object has a moving speed relative to a certain reference frame when it is moving mechanically.
  • the displacement of the electronic device when the displacement of the electronic device is less than the preset threshold, it can be considered that the electronic device is in a stationary state. When the displacement of the electronic device is greater than or equal to the preset threshold, it can be considered that the electronic device is in a motion state.
  • the electronic devices in the embodiments of the present disclosure may include work cards such as electronic badges, mobile phones, tablet computers, personal digital assistants, wearable devices, etc., which are not limited in the embodiments of the present disclosure.
  • RSSI-based indoor positioning technology generally scans indoor positioning beacons (also known as location beacon) by setting a Bluetooth positioning circuit in the electronic device, because the Bluetooth positioning circuit scans the positioning beacon.
  • the power consumption during scanning is relatively high. If the Bluetooth positioning circuit is always in the scanning state, the power consumption of the electronic device will be greatly increased, thereby reducing the standby time of the electronic device.
  • the Bluetooth positioning circuit can be turned off to reduce the power consumption of the electronic device.
  • the embodiments of the present disclosure can control the on and off of the Bluetooth positioning circuit according to the state of the electronic device.
  • a sensor may be provided in the electronic device, and parameters such as acceleration and speed of the electronic device can be acquired and outputted through the sensor, and then the current state of the electronic device can be determined according to the current speed parameter of the sensor.
  • the electronic device can also include a main control circuit (which can be a central processing unit, a micro-control unit, etc.), and the main control circuit can be connected to the sensor, so that the main control circuit can be used to obtain the current speed parameters of the sensor , And determine the current state of the electronic device according to the current speed parameters of the sensor.
  • a main control circuit which can be a central processing unit, a micro-control unit, etc.
  • the acceleration threshold and speed threshold can be preset, so that the current output acceleration of the sensor is less than or equal to the acceleration threshold, and the current output speed of the sensor is less than or equal to the speed threshold.
  • the current output of the sensor is greater than the acceleration threshold, and/or the current output speed of the sensor is greater than the speed threshold, it is determined that the electronic device is currently in motion.
  • the current state of the electronic device can also be determined according to the displacement of the electronic device within a preset time period. Therefore, the displacement threshold can be preset, so that the displacement of the electronic device within the preset time can be determined according to the acceleration and speed currently output by the sensor, and then the displacement of the electronic device within the preset time can be determined when the displacement is less than or equal to the displacement threshold.
  • the electronic device is currently in a stationary state; when the displacement of the electronic device within the preset time period is greater than the displacement threshold, it is determined that it is currently in a motion state.
  • the method of determining the current state may include but is not limited to the situations listed above. In actual use, the method of determining the current state and the specific values of the various thresholds involved can be selected according to actual needs, which is not limited in the embodiment of the present disclosure.
  • Step 102 If it is determined that the electronic device is currently in motion, turn on the Bluetooth positioning circuit in the electronic device.
  • the Bluetooth positioning circuit in the electronic device can be turned on through the main control circuit, so that during the movement of the electronic device, the Bluetooth positioning circuit is used to pair each device set in the indoor scene.
  • the positioning beacons are scanned to realize real-time positioning of electronic devices.
  • the turning on and off of the Bluetooth positioning circuit can be controlled through the power supply loop of the Bluetooth positioning circuit. That is, in a possible implementation form of the embodiment of the present disclosure, the foregoing step 102 may include:
  • the power supply loop of the Bluetooth positioning circuit in the control electronic device is turned on.
  • the electronic device of the embodiment of the present disclosure may further include a power source, and the power source may supply power to other circuits in the electronic device.
  • the power supply can be respectively connected with the sensor, the Bluetooth positioning circuit and the main control circuit to supply power to the sensor and the Bluetooth positioning circuit.
  • the main control circuit can control the power supply loop of the Bluetooth positioning circuit to conduct, so that the power supply can supply power to the Bluetooth positioning circuit.
  • the method may further include:
  • the power supply circuit of the sensor is disconnected.
  • the senor can be turned off to further save the power consumption of the electronic device.
  • the second preset time period is zero. That is, after turning on the Bluetooth positioning circuit, the sensor can be turned off immediately.
  • the Bluetooth positioning circuit After turning on the Bluetooth positioning circuit to locate the electronic device, there is no need to use the sensor to detect the movement state of the electronic device temporarily, so that the power supply circuit of the sensor can be disconnected through the main control circuit to turn off the sensor and further reduce the power consumption of the electronic device .
  • the Bluetooth positioning circuit is turned on, since the power consumption of the sensor is small, at the microampere level, it is possible to keep the sensor and the Bluetooth positioning circuit in the on state at the same time, so as to avoid frequent turning on and off of the sensor.
  • the sensor can be kept in the on state at the same time as the Bluetooth positioning circuit in a short period of time (that is, the second preset time period is not zero), and the electronic device is determined When continuously in motion, turn off the sensor. For example, within 2 seconds after turning on the Bluetooth positioning circuit, keep the sensor and the Bluetooth positioning circuit turned on at the same time. If after 2 seconds, it is determined that the electronic device is still in motion, the sensor can be turned off, which not only saves power consumption, but also Avoid misjudgment of the status of electronic equipment. Since the electronic device is in an unstable state when the state is switched, while keeping the sensor and the Bluetooth positioning circuit on, the state of the electronic device can be accurately determined based on the detection results of the two, so as to avoid misjudgment of the state of the electronic device.
  • the electronic device can be determined whether the electronic device is continuously in motion according to the positioning beacon information obtained by the Bluetooth positioning circuit, so as to determine whether the sensor can be turned off.
  • the method may further include:
  • each group of positioning beacon information includes multiple positioning beacon information.
  • the electronic device may obtain multiple positioning beacon information at a certain time, and the multiple positioning beacon information included in each set of positioning beacon information may be the first N positioning beacons sorted in descending order of signal strength. ⁇ Standard information.
  • the electronic device obtains the first three positioning beacon information in descending order of signal strength in the first set of positioning beacon information at the first moment: positioning beacon information A, positioning beacon information B, and positioning beacon information C
  • the first three positioning beacon information in descending order of signal strength obtained in the second set of positioning beacon information at the second moment are: positioning beacon information A, positioning beacon information B, and positioning beacon information C
  • the third time Obtain the first three positioning beacon information in descending order of signal strength in the third group of positioning beacon information: positioning beacon information B, positioning beacon information C, and positioning beacon information D. Since there is a difference in positioning beacon information between the first group of positioning beacon information and the third group of positioning beacon information, it can be determined that the electronic device is in a moving state within the second preset time period.
  • the Bluetooth positioning circuit after the Bluetooth positioning circuit is turned on for the second preset time period, it can be determined whether the electronic device is in motion according to multiple sets of positioning beacon information continuously obtained by the Bluetooth positioning circuit within the second preset time period. State, in order to prevent the sensor from misjudging the state of the electronic device, for example, the situation that the electronic device is in the moving state only happens instantaneously. Among them, multiple sets of positioning beacon information are obtained by the Bluetooth positioning circuit at different times. If any two sets of positioning beacon information in the multiple sets of positioning beacon information have at least one different positioning beacon information, it can be determined that the electronic device is in motion Status, which can turn off the sensor, that is, disconnect the sensor's power supply circuit.
  • disconnecting the power supply circuit of the sensor includes: determining that the electronic device is in the second preset time period according to each positioning beacon information The displacement within is greater than the displacement threshold, and it is determined that the electronic device is in a motion state;
  • the electronic device For example, if it is determined that the electronic device is at position A at the first time in the second preset time period according to the location beacon information, and at the second time in the second preset time period, it is at position B. If the distance between the positions A is greater than the displacement threshold, it is determined that the electronic device is in a moving state.
  • the determination of the location of the above-mentioned electronic device can be specifically referred to in the following description.
  • Step 103 Determine the current location of the electronic device according to the positioning beacon information acquired by the Bluetooth positioning circuit.
  • the location beacon information may include the beacon identifier and signal strength of the location beacon, but it is not limited to this.
  • the beacon identifier of the location beacon may be the MAC address of the location beacon.
  • the signal strength of the positioning beacon may be the RSSI of the positioning beacon at the electronic device.
  • the method before step 103, the method further includes:
  • N reference positioning beacon information is selected from each positioning beacon information, where N is a positive integer.
  • the selecting N reference positioning beacon information from each positioning beacon information according to the signal strength in each positioning beacon information acquired by the Bluetooth positioning circuit includes:
  • the Bluetooth positioning circuit can obtain the information of a large number of positioning beacons at a time, and the current location of the electronic device can be determined based on the information of a small number of positioning beacons. Therefore, the acquired positioning beacon information can be performed Screening to reduce computational complexity.
  • the specific value of N can be determined according to actual needs, which is not limited in the embodiment of the present disclosure.
  • N can be 3, 6, etc.
  • the current location of the electronic device can be determined through the three positioning beacon information acquired by the Bluetooth positioning circuit, and the preset number may be three. Therefore, when the number of positioning beacon information acquired by the Bluetooth positioning circuit is greater than 3, the first three positioning beacon information in descending order of signal strength can be selected according to the signal strength of each positioning beacon information as the reference positioning beacon information. The reference positioning beacon information is then used to determine the current location of the electronic device.
  • the main control circuit can determine the current location of the electronic device according to the beacon identification and signal strength in each positioning beacon information acquired by the Bluetooth positioning circuit. That is, in a possible implementation form of the embodiment of the present disclosure, the foregoing step 103 may include:
  • the current position of the electronic device is determined according to the current relative position between the electronic device and the first N reference positioning beacons and the indoor setting positions of the first N reference positioning beacons.
  • the relative position between the electronic device and the reference positioning beacon may be the distance between the electronic device and the reference positioning beacon.
  • the main control circuit may also send the current location of the electronic device to the server.
  • the server monitors or guides users who use the electronic device according to the current location of the electronic device.
  • the server judges that the user using the station card will enter the area that the station card is not authorized to enter according to the current location of the station card, and the server can take corresponding measures, such as sounding an alarm or notifying relevant personnel Prevent the user from entering.
  • the server judges that the exhibition entrance A is too crowded according to the locations of multiple electronic devices, while the exhibition entrance B has fewer people, and the server can notify relevant personnel to guide them.
  • the Bluetooth positioning circuit can scan the reference positioning beacons set in the indoor scene at a certain frequency to obtain the Bluetooth signals transmitted by each reference positioning beacon, so that the main control circuit can scan the reference positioning beacons according to the Bluetooth positioning circuit.
  • the respective reference positioning beacon information acquired at each time respectively determines the location of the electronic device at each time.
  • the main control circuit can determine the distance between the electronic device and each reference positioning beacon according to the signal strength of each positioning beacon acquired by the Bluetooth positioning circuit and the signal strength attenuation characteristics of the positioning beacons, that is, the distance between the electronic device and each reference positioning beacon. relative position.
  • each reference positioning beacon can be determined according to the beacon identifier in each reference positioning beacon information, and then according to the relative position between the electronic device and each positioning beacon and the indoor installation of each positioning beacon Location, to determine the current location of the electronic device.
  • the geographic information system Geographic Information System or Geo-Information system, GIS
  • GIS Geographic Information System
  • the beacon identifier such as MAC address
  • the location information of the positioning beacon may be used. Determine the location of the positioning beacon on a map or indoor distribution map.
  • a certain algorithm such as the centroid method, may be used to determine the current position of the electronic device according to the positions of the N reference positioning beacons.
  • the electronic device further includes a communication circuit, and after determining the current location of the electronic device, the main control circuit can also send the current location of the electronic device to the server through the communication circuit.
  • the communication circuit may be implemented by long-range radio (LoRa) technology, frequency-shift keying (FSK) or other wireless communication technologies.
  • LoRa long-range radio
  • FSK frequency-shift keying
  • the server can determine the current location of the electronic device in the same manner as described above. For example, the server determines the location of the positioning beacon on a GIS map or an indoor distribution map containing the beacon identification (such as MAC address) of the positioning beacon and the location information of the positioning beacon according to the beacon identification of the positioning beacon. After the positions of the N reference positioning beacons are obtained, a certain algorithm, such as the centroid method, may be used to determine the current position of the electronic device according to the positions of the N reference positioning beacons.
  • a certain algorithm such as the centroid method
  • the indoor positioning method determines the current state of the electronic device according to the current speed parameters of the sensor, and when it is determined that the electronic device is currently in motion, turns on the Bluetooth positioning circuit in the electronic device, and then according to the Bluetooth positioning circuit
  • the acquired location beacon information determines the current location of the electronic device. Therefore, by turning on the Bluetooth positioning circuit to scan the positioning beacon only when the electronic device is in a motion state, the power consumption of the Bluetooth positioning circuit is reduced and the standby time of the electronic device is improved.
  • the main control circuit of the electronic device can also send the location beacon information obtained by Bluetooth to the server, so that the server can determine the electronic device according to the location beacon information obtained by the Bluetooth positioning circuit.
  • the current location of the device can reduce the calculation amount of the main control circuit of the electronic device and reduce the hardware requirements of the main control circuit.
  • FIG. 2 is a schematic flowchart of another indoor positioning method provided by an embodiment of the disclosure.
  • the indoor positioning method includes the following steps:
  • Step 201 Determine the current state of the electronic device according to the current speed parameter of the sensor.
  • Step 202 If it is determined that the electronic device is currently in motion, turn on the Bluetooth positioning circuit in the electronic device.
  • Step 203 Sort the positioning beacon information in descending order according to the signal strength in each positioning beacon information acquired by the Bluetooth positioning circuit.
  • Step 204 Determine the first N positioning beacon information as reference positioning beacon information.
  • each positioning beacon information acquired by the Bluetooth positioning circuit multiple positioning beacon information with larger signal strength can be determined as the reference positioning beacon information.
  • three location beacon information with higher signal strength may be used as reference location beacon information.
  • the hardware conditions of the main control circuit of some electronic devices may be low, do not have complex computing capabilities, or due to the consideration of reducing the size of the electronic device, it is impossible to be equipped with a high-profile main control Therefore, in the embodiment of the present disclosure, the main control circuit of the electronic device may obtain the first N positioning beacon information obtained by the Bluetooth positioning circuit in descending order of signal strength, and then sort the first N positioning beacon information in descending order of the signal strength.
  • the location beacon information is sent to the server, and the server determines the current location of the electronic device.
  • Step 205 Send the beacon identifiers and signal strengths in the first N reference positioning beacon information to the server, so that the server can determine the current location of the electronic device.
  • the main control circuit may send the reference positioning beacon information, that is, the reference beacon identifier to the server, so that the server can send the reference positioning beacon information to the server according to each reference positioning beacon information.
  • the manner of determining the current location of the electronic device through the server is the same as the manner of determining the current location of the electronic device through the main control circuit in the foregoing embodiment, and will not be repeated here.
  • the indoor positioning method calculates the current state of the electronic device according to the current speed parameter of the sensor, and when the electronic device is currently in motion, turns on the Bluetooth positioning circuit in the electronic device, and then obtains it according to the Bluetooth positioning circuit
  • the signal strengths in each positioning beacon information in the sort the positioning beacon information in descending order, determine the first N positioning beacon information as the reference positioning beacon information, and then refer to the beacons in the positioning beacon information
  • the identification and signal strength are sent to the server, so that the server can determine the current location of the electronic device.
  • the Bluetooth positioning circuit to scan the positioning beacon only when the electronic device is in motion, and determining the current location of the electronic device through the server, it not only reduces the power consumption of the Bluetooth positioning circuit, but also improves the electronics.
  • the standby time of the device is reduced, and the computational complexity and hardware requirements of the electronic device are reduced.
  • the electronic device when the electronic device is in a moving state, it can monitor whether the electronic device is in a static state in real time according to the positioning beacon information obtained by the Bluetooth positioning circuit, so as to turn off the Bluetooth positioning circuit and turn on sensor monitoring , Reduce the power consumption of electronic equipment.
  • FIG. 3 is a schematic flowchart of yet another indoor positioning method provided by an embodiment of the disclosure.
  • the indoor positioning method includes the following steps:
  • Step 301 Determine the current state of the electronic device according to the current speed parameter of the sensor.
  • Step 302 If it is determined that the electronic device is currently in motion, turn on the Bluetooth positioning circuit in the electronic device.
  • Step 303 Determine the current location of the electronic device according to the positioning beacon information acquired by the Bluetooth positioning circuit.
  • Step 304 The multiple sets of positioning beacon information continuously acquired by the Bluetooth positioning circuit within the first preset time period are all the same, and it is determined that the electronic device is in a stationary state.
  • step 305 is performed to determine that the displacement of the electronic device in the first preset time period is less than or equal to the displacement threshold according to the information of each positioning beacon, and it is determined that the electronic device is in a stationary state.
  • the Bluetooth positioning circuit when the electronic device is in a motion state, in order to further reduce the power consumption of the electronic device, the Bluetooth positioning circuit can be turned off.
  • the multiple sets of positioning beacon information continuously acquired by the Bluetooth positioning circuit in the first preset time period are all the same, or it is determined according to each positioning beacon information that the displacement of the electronic device in the first preset time period is less than Or equal to the displacement threshold, it can be determined that the electronic device is in a stationary state.
  • the duration of the first preset time period can be determined according to actual needs, for example, it can be 10 seconds, 1 minute, etc., which is not limited in the embodiment of the present disclosure.
  • Step 306 Turn off the Bluetooth positioning circuit and turn on the sensor in the electronic device after the first preset time period.
  • the sensor in the electronic device can be turned on (that is, the power supply loop of the control sensor is turned on) to use the sensor to detect the state of the electronic device; and the Bluetooth positioning circuit ( That is, the power supply loop of the Bluetooth positioning circuit is controlled to be disconnected), so that when the electronic device is in a static state, the scanning of the positioning beacon by the Bluetooth positioning circuit is suspended to reduce the power consumption of the electronic device.
  • the first preset time period is zero.
  • the sensor can be kept in the on state at the same time as the Bluetooth positioning circuit for a short period of time (that is, the first preset time period is not zero), and it is determined that the electronic device is continuously in a static state.
  • the Bluetooth positioning circuit is turned off to prevent misjudgment and frequent opening and closing of the Bluetooth positioning circuit. For example, you can keep the sensor and Bluetooth positioning circuit turned on at the same time within 2 seconds after turning on the sensor. If 2 seconds later, according to the output value of the sensor and/or the positioning beacon information obtained by the Bluetooth positioning circuit, it is determined that the electronic device is still stationary Status, the Bluetooth positioning circuit can be turned off, which not only saves power consumption, but also avoids misjudgment of the status of the electronic device.
  • the indoor positioning method determines the current state of the electronic device according to the current speed parameters of the sensor, and when it is determined that the electronic device is currently in motion, turns on the Bluetooth positioning circuit in the electronic device, and then according to the Bluetooth positioning circuit
  • the acquired positioning beacon information determines the current location of the electronic device, and then turns off the Bluetooth positioning circuit and turns on the sensor when it is determined that the electronic device is in a static state.
  • the present disclosure also proposes an electronic device 400.
  • the electronic device 400 includes a sensor 401, a main control circuit 402, and a Bluetooth positioning circuit 403;
  • the sensor 401 is used to determine the current speed parameter of the electronic device 400;
  • the main control circuit 402 is used to determine the current state of the electronic device 400 according to the current speed parameters; if it is determined that the electronic device 400 is currently in motion, turn on the Bluetooth positioning circuit 403; and according to the Bluetooth positioning
  • the location beacon information acquired by the circuit 403 determines the current location of the electronic device 400.
  • the main control circuit 402 is further configured to: after the Bluetooth positioning circuit is turned on, if the multiple sets of positioning beacon information continuously acquired by the Bluetooth positioning circuit within a first preset time period are all the same, Or it is determined that the displacement of the electronic device in the first preset time period is less than or equal to the displacement threshold according to each positioning beacon information, and the electronic device is determined to be in a stationary state; and the electronic device is turned off after the first preset time period.
  • Bluetooth positioning circuit is further configured to: after the Bluetooth positioning circuit is turned on, if the multiple sets of positioning beacon information continuously acquired by the Bluetooth positioning circuit within a first preset time period are all the same, Or it is determined that the displacement of the electronic device in the first preset time period is less than or equal to the displacement threshold according to each positioning beacon information, and the electronic device is determined to be in a stationary state; and the electronic device is turned off after the first preset time period.
  • Bluetooth positioning circuit is further configured to: after the Bluetooth positioning circuit is turned on, if the multiple sets of positioning beacon information continuously acquired by
  • the main control circuit 402 is further configured to: turn on the sensor after turning off the Bluetooth positioning circuit after the first preset time period.
  • the electronic device 400 further includes a power supply 404, wherein the main control circuit 402 is also used to control the power supply loop of the Bluetooth positioning circuit to be turned on by controlling the Bluetooth positioning circuit to be connected to the power supply.
  • the main control circuit 402 is also used to control the power supply loop of the Bluetooth positioning circuit to be turned on by controlling the Bluetooth positioning circuit to be connected to the power supply.
  • the electronic device 400 further includes a power supply, wherein the main control circuit 402 is further configured to: after turning on the Bluetooth positioning circuit for a second preset time period, by disconnecting the sensor and the power supply To disconnect the power supply circuit of the sensor.
  • the main control circuit 402 is further configured to: if there is at least one of any two sets of positioning beacon information among the multiple sets of positioning beacon information continuously acquired by the Bluetooth positioning circuit within the second preset time period The positioning beacon information is different, or it is determined that the displacement of the electronic device in the second preset time period is greater than the displacement threshold according to each positioning beacon information, and it is determined that the electronic device is in a moving state; wherein, each group of positioning beacon information includes Multiple positioning beacon information disconnects the power supply loop of the sensor.
  • the positioning beacon information includes signal strength; the main control circuit 402 is further configured to: select from each positioning beacon information according to the signal strength in each positioning beacon information acquired by the Bluetooth positioning circuit N reference positioning beacon information, N is a positive integer.
  • the main control circuit 402 is further configured to: sort the positioning beacon information in descending order according to the signal strength of each positioning beacon information acquired by the Bluetooth positioning circuit;
  • the beacon information is determined as the reference positioning beacon information.
  • the positioning beacon information further includes a beacon identification
  • the main control circuit 402 is further configured to: determine the electronic beacon identification according to the beacon identification and signal strength in the first N reference positioning beacon information The current relative position between the device and the first N reference positioning beacons; according to the current relative position between the electronic device and the first N reference positioning beacons, and the first N reference positioning beacons are indoors To determine the current location of the electronic device.
  • the electronic device 400 further includes a communication circuit 405, wherein the positioning beacon information further includes a beacon identifier; the main control circuit 402 is also used to combine the beacon information in the first N reference positioning beacon information
  • the logo and signal strength are sent to the server 500, so that the server 500 determines the current location of the electronic device.
  • the electronic device 400 includes a sensor 401, a main control circuit 402, a Bluetooth positioning circuit 403, a power supply 404, and a communication circuit 405.
  • the sensor 401 may be an acceleration sensor or a gyroscope, etc., and is used to obtain information such as acceleration and speed of the electronic device.
  • the power consumption of the accelerometer is generally on the order of uA, while the power consumption of the Bluetooth positioning circuit 403 during scanning is generally on the order of mA. Therefore, if the electronic device is stationary, the power consumption measured by the sensor 401 will be much less than that of the Bluetooth positioning circuit 403. Power consumption for scanning.
  • the main control circuit 402 mainly completes the functions of acquiring the speed parameter of the sensor 401, the realization of the state algorithm of the electronic device, the generation of a low power consumption control strategy, and the acquisition and upload of positioning beacon information.
  • the main control circuit can be a microcontroller unit MCU.
  • the main control circuit detects the acceleration, speed and other speed parameters of the acceleration sensor, and determines the current state of the electronic device (moving or stationary), or determines the current location of the electronic device according to the positioning beacon information obtained by the Bluetooth positioning circuit After that, according to the current state of the electronic device, an indication is given whether the Bluetooth positioning circuit and sensor are working, thereby generating a low-power control strategy, and then controlling the power supply of the Bluetooth positioning circuit and the sensor to reduce power consumption Purpose.
  • the MCU may send the positioning beacon information (including the signal identification and signal strength of the positioning beacon) acquired by the Bluetooth positioning circuit to the server through the communication circuit 405 to complete the entire positioning process.
  • the Bluetooth positioning circuit 403 mainly completes the acquisition of positioning beacon information.
  • the Bluetooth positioning circuit 403 obtains positioning beacon information by scanning a positioning beacon (beacon for short), and the positioning beacon information may include the MAC address of the Beacon and the corresponding RSSI.
  • the Bluetooth positioning circuit 403 In order to reduce power consumption, the Bluetooth positioning circuit 403 generally adopts Bluetooth Low Energy (BLE).
  • BLE Bluetooth Low Energy
  • the power supply 404 supplies power to the main control circuit, Bluetooth positioning circuit, and communication circuit in the electronic device.
  • the power supply from the power supply to the sensor and the Bluetooth positioning circuit is controlled by the main control circuit MCU.
  • the communication circuit 405 is used to upload the acquired positioning beacon information to the server.
  • the communication circuit 405 can be implemented by LoRa, FSK or other wireless technologies.
  • the server 500 is mainly responsible for data processing and electronic device management, and calculates the location of the electronic device based on the location beacon information and the stored GIS map containing the MAC address and location information of the Beacon.
  • the electronic device is a work station sign.
  • the station card is in a static state.
  • the static state here refers to the small displacement of the station board within a certain period of time, not a completely immobile state.
  • the power switch S1 of the acceleration sensor (see FIG. 4) is closed, and the indoor positioning method of the present disclosure may include the following steps.
  • Step 1 Turn on the switch S1 corresponding to the acceleration sensor.
  • Step 2 Obtain the speed parameter information such as acceleration and speed of the station board.
  • Step 3 Calculate the status of the station board according to the speed parameter information such as acceleration and speed obtained in step 2.
  • Step 4. Determine that the station card is in motion.
  • the MCU obtains speed parameter information such as acceleration and speed of the station card from the acceleration sensor, and calculates whether the station card is in a moving state according to the speed parameter information.
  • step 5 If yes, go to step 5, if not, go back to step 2.
  • Step 5 Turn on the Bluetooth positioning circuit and turn off the acceleration sensor at the same time.
  • the MCU needs to turn on the Bluetooth positioning circuit for positioning, that is, the switch S2 is closed.
  • Step 6 The Bluetooth positioning circuit scans the surrounding Beacon.
  • the Bluetooth positioning circuit is turned on and starts to scan the surrounding Beacon to obtain the Beacon's positioning beacon information. At the same time, turn on the switch S1 and turn off the acceleration sensor.
  • Step 7 according to the acquired positioning beacon information of the Beacon, the first 3 beacons in descending order of signal strength (ie, the RSSI in ascending order, when the signal strength is the largest, the RSSI is the smallest) are screened as positioning beacons.
  • Step 8 Upload the MAC address of the positioning beacon and the corresponding RSSI to the PC server through the communication circuit.
  • Step 9 Determine whether the acquired positioning beacons are the same in each group according to the timing of the timer or the number of scans (such as 10 consecutive times).
  • each group of positioning beacons may only include the first 3 beacons sorted in descending order of signal strength.
  • step 10 If it is, the station card is considered to be in a static state, and step 10 is executed; if not, the station card is considered to be still in a moving state, and step 6 is returned.
  • Step 10 Turn off the Bluetooth positioning circuit and return to step 1.
  • the Bluetooth positioning circuit scans the same Beacon for a long time, it is considered that the badge may be switched to a static state, and the MCU needs to turn off the Bluetooth positioning circuit and turn on the acceleration sensor to reduce power consumption.
  • the acceleration sensor and the Bluetooth positioning circuit can be turned on at the same time in a short time, so that both can judge the status of the station card, based on the detection of both As a result, the status of the station card can be accurately determined, so that the phenomenon of misjudgment of the status of the station card can be avoided.
  • the sleep time of the MCU can also be increased, that is, the MCU can sleep when it is idle, so as to further reduce the power consumption of the station card.
  • FIG. 6 is a schematic structural diagram of an electronic device according to an embodiment of the disclosure.
  • the above-mentioned electronic device 200 includes:
  • the memory 210 and the processor 220 are connected to the bus 230 of different components (including the memory 210 and the processor 220).
  • the memory 210 stores a computer program.
  • the processor 220 executes the program, the indoor positioning method described in the embodiment of the present disclosure is implemented .
  • the bus 230 represents one or more of several types of bus structures, including a memory bus or a memory controller, a peripheral bus, a graphics acceleration port, a processor, or a local bus using any bus structure among multiple bus structures.
  • these architectures include, but are not limited to, industry standard architecture (ISA) bus, microchannel architecture (MAC) bus, enhanced ISA bus, Video Electronics Standards Association (VESA) local bus, and peripheral component interconnection ( PCI) bus.
  • ISA industry standard architecture
  • MAC microchannel architecture
  • VESA Video Electronics Standards Association
  • PCI peripheral component interconnection
  • the electronic device 200 typically includes a variety of computer-readable media. These media may be any available media that can be accessed by the electronic device 200, including volatile and non-volatile media, removable and non-removable media.
  • the memory 210 may also include a computer system readable medium in the form of volatile memory, such as random access memory (RAM) 240 and/or cache memory 250.
  • the electronic device 200 may further include other removable/non-removable, volatile/nonvolatile computer system storage media.
  • the storage system 260 may be used to read and write non-removable, non-volatile magnetic media (not shown in FIG. 4, usually referred to as a "hard drive").
  • a disk drive for reading and writing to removable non-volatile disks such as "floppy disks”
  • a removable non-volatile optical disk such as CD-ROM, DVD-ROM
  • other optical media read and write optical disc drives.
  • each drive may be connected to the bus 230 through one or more data medium interfaces.
  • the memory 210 may include at least one program product, the program product having a set of (for example, at least one) program modules, and these program modules are configured to perform the functions of the various embodiments of the present disclosure.
  • a program/utility tool 280 having a set of (at least one) program module 270 may be stored in, for example, the memory 210.
  • Such program module 270 includes, but is not limited to, an operating system, one or more application programs, and other programs Modules and program data, each of these examples or some combination may include the realization of a network environment.
  • the program module 270 generally executes the functions and/or methods in the embodiments described in the present disclosure.
  • the electronic device 200 may also communicate with one or more external devices 290 (such as a keyboard, pointing device, display 291, etc.), and may also communicate with one or more devices that enable a user to interact with the electronic device 200, and/or communicate with Any device (such as a network card, modem, etc.) that enables the electronic device 200 to communicate with one or more other computing devices. Such communication can be performed through an input/output (I/O) interface 292.
  • the electronic device 200 may also communicate with one or more networks (for example, a local area network (LAN), a wide area network (WAN), and/or a public network, such as the Internet) through the network adapter 293.
  • networks for example, a local area network (LAN), a wide area network (WAN), and/or a public network, such as the Internet
  • the network adapter 293 communicates with other modules of the electronic device 200 through the bus 230.
  • other hardware and/or software modules can be used in conjunction with the electronic device 200, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives And data backup storage system, etc.
  • the processor 220 executes various functional applications and data processing by running programs stored in the memory 210.
  • the electronic device provided by the embodiments of the present disclosure can execute the indoor positioning method as described above, by determining the current state of the electronic device according to the current speed parameters of the sensor, and when it is determined that the electronic device is currently in motion, turn on the electronic device
  • the Bluetooth positioning circuit of the Bluetooth positioning circuit determines the current location of the electronic device according to the positioning beacon information obtained by the Bluetooth positioning circuit. Therefore, by turning on the Bluetooth positioning circuit to scan the positioning beacon only when the electronic device is in a motion state, the power consumption of the Bluetooth positioning circuit is reduced and the standby time of the electronic device is improved.
  • the present disclosure also proposes a computer-readable storage medium.
  • the computer-readable storage medium has a computer program stored thereon, and when the program is executed by a processor, the indoor positioning method according to the embodiment of the present disclosure is realized.
  • another embodiment of the present disclosure provides a computer program, which when executed by a processor, realizes the indoor positioning method described in the embodiments of the present disclosure.
  • this embodiment may adopt any combination of one or more computer-readable media.
  • the computer-readable medium may be a computer-readable signal medium or a computer-readable storage medium.
  • the computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or a combination of any of the above.
  • computer-readable storage media include: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), Erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
  • RAM random access memory
  • ROM read-only memory
  • EPROM or flash memory Erasable programmable read-only memory
  • CD-ROM compact disk read-only memory
  • the computer-readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or in combination with an instruction execution system, apparatus, or device.
  • the computer-readable signal medium may include a data signal propagated in baseband or as a part of a carrier wave, and computer-readable program code is carried therein. This propagated data signal can take many forms, including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the computer-readable signal medium may also be any computer-readable medium other than the computer-readable storage medium.
  • the computer-readable medium may send, propagate, or transmit the program for use by or in combination with the instruction execution system, apparatus, or device .
  • the program code contained on the computer-readable medium can be transmitted by any suitable medium, including, but not limited to, wireless, wire, optical cable, RF, etc., or any suitable combination of the above.
  • the computer program code for performing the operations of the present disclosure can be written in one or more programming languages or a combination thereof.
  • the programming languages include object-oriented programming languages—such as Java, Smalltalk, C++, and also conventional Procedural programming language-such as "C" language or similar programming language.
  • the program code can be executed entirely on the user electronic device, partly executed on the user electronic device, executed as an independent software package, partly executed on the user electronic device and partly executed on the remote electronic device, or completely executed on the remote electronic device or Execute on the server.
  • the remote electronic equipment can be connected to the user electronic equipment through any kind of network-including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external electronic device (for example, using Internet services). Provider to connect via the Internet).
  • the above-mentioned method disclosed in the present disclosure may be applied to a processor or implemented by a processor.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • Programming logic devices discrete gates or transistor logic devices, discrete hardware components.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in combination with the present disclosure may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the embodiments described herein can be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology of this article can be implemented through modules (such as procedures, functions, etc.) that perform the functions of this article.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.

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Abstract

本公开提出一种室内定位方法、电子设备及存储介质。其中，该方法包括：根据传感器当前的速度参数，确定所述电子设备当前的状态；若确定所述电子设备当前处于运动状态，则开启所述电子设备中的蓝牙定位电路；根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置。

Description

室内定位方法、电子设备及存储介质
相关申请的交叉引用
本申请主张在2020年2月17日在中国提交的中国专利申请号No.202010097560.9的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及计算机应用技术领域，尤其涉及一种室内定位方法、电子设备及存储介质。
背景技术
对于室外环境，全球导航卫星系统(Global Navigation Satellite System，GNSS)诸如美国的全球定位系统(Global Positioning System，GPS)、我国的北斗卫星导航系统(BeiDou Navigation Satellite System，BDS)能够为用户提供较高精度的定位服务，基本满足了用户在室外场景中对基于位置服务的需求。然而，由于室内场景受到建筑物的遮挡，卫星信号快速衰减，无法满足室内场景的定位需求。
发明内容
本公开一方面实施例提出的室内定位方法，包括：根据传感器当前的速度参数，确定所述电子设备当前的状态；若确定所述电子设备当前处于运动状态，则开启所述电子设备中的蓝牙定位电路；根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置。
本公开另一方面实施例提出的电子设备，其包括：传感器、主控电路及蓝牙定位电路；所述传感器用于确定电子设备的当前的速度参数；所述主控电路用于根据当前的速度参数确定所述电子设备当前的状态；若确定所述电子设备当前处于运动状态，则开启所述蓝牙定位电路；及根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置。
本公开另一方面实施例提出的电子设备，其包括：存储器、处理器及存 储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现如前所述的室内定位方法。
本公开再一方面实施例提出的计算机可读存储介质，其上存储有计算机程序，所述程序被处理器执行时实现如前所述的室内定位方法。
本公开又一方面实施例提出的计算机程序，该程序被处理器执行时，以实现本公开实施例所述的室内定位方法。
本公开又一方面实施例提出的计算机程序产品，所述计算机程序产品包括计算机指令，所述计算机指令指示计算设备执行如前所述的室内定位方法。
本公开附加的方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本公开的实践了解到。
附图说明
本公开上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为本公开实施例所提供的一种室内定位方法的流程示意图；
图2为本公开实施例所提供的另一种室内定位方法的流程示意图；
图3为本公开实施例所提供的再一种室内定位方法的流程示意图；
图4为本公开实施例所提供的电子设备的结构示意图；
图5为本公开实施例中的室内定位方法的一个具体例子的示意图；
图6为本公开实施例所提供的电子设备的结构示意图。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
在众多室内定位技术中，基于接收信号强度指示器(Received Signal Strength Indicator，RSSI)的定位方法，由于其硬件要求低，不需要时间同步等特性得到了广泛的应用。
相关技术中，具有定位功能的电子设备(如工位牌)可以用于对佩戴工 位牌的人员进行室内定位。基于RSSI的室内定位技术的电子设备，一般通过在电子设备中设置蓝牙定位电路扫描室内的定位信标，以实现室内定位。但是，由于蓝牙定位电路对扫描定位信标进行扫描时的功耗较高，从而增加了电子设备的整体功耗，降低了电子设备的待机时间。
本公开实施例针对相关技术中，由于蓝牙定位电路对扫描定位信标进行扫描时的功耗较高，从而增加了电子设备的整体功耗，降低了电子设备的待机时间的问题，提出一种室内定位方法。
本公开实施例提供的室内定位方法，通过根据传感器当前的速度参数，确定所述电子设备当前的状态，并在确定所述电子设备当前处于运动状态时，开启所述电子设备中的蓝牙定位电路；进而根据蓝牙定位电路获取的各定位信标信息，确定电子设备当前所在的位置。由此，通过仅在电子设备处于运动状态时，开启蓝牙定位电路对定位信标进行扫描，从而降低了蓝牙定位电路的功耗，提升了电子设备的待机时间。
下面参考附图对本公开提供的室内定位方法、电子设备、存储介质及计算机程序进行详细描述。
图1为本公开实施例所提供的一种室内定位方法的流程示意图。
如图1所示，该室内定位方法，包括以下步骤：
步骤101，根据传感器当前的速度参数，确定所述电子设备当前的状态。
其中，传感器，可以是对电子设备的加速度、速度等速度参数进行检测的传感器，如加速度传感器、陀螺仪等，本公开实施例对此不做限定。
其中，传感器当前的速度参数，可以包括电子设备当前的加速度、速度等参数，但不仅限于此。需要说明的是，传感器当前的速度参数包括的参数类型与传感器的类型有关。
其中，电子设备当前处于运动状态，是指物体进行机械运动时相对某个参考系具有运动速度的状态。
需要说明的是，在电子设备的位移小于预设阈值时，即可以认为电子设备处于静止状态。在电子设备的位移大于或等于所述预设阈值时，即可以认为电子设备处于运动状态。
需要说明的是，本公开实施例的电子设备可以包括电子工牌等工位牌、 手机、平板电脑、个人数字助理、可穿戴式设备等，本公开实施例对此不做限定。
在室内定位场景中，基于RSSI的室内定位技术，一般通过在电子设备中设置蓝牙定位电路扫描室内的定位信标(也称，定位灯标location beacon)，由于蓝牙定位电路对扫描定位信标进行扫描时的功耗较高，若蓝牙定位电路一直处于扫描状态，会大大增加电子设备的功耗，从而降低电子设备的待机时间。然而，由于电子设备处于静止状态时，不需要对电子设备进行持续定位，因此，可以关闭蓝牙定位电路，以减少电子设备的功耗。也就是说，本公开实施例可以根据电子设备的状态，控制蓝牙定位电路的开启与关闭。
在本公开实施例中，可以在电子设备中设置传感器，并通过传感器获取电子设备的加速度、速度等参数并输出，进而根据传感器当前的速度参数，确定电子设备当前的状态。
作为一种可能的实现方式，电子设备还可以包括主控电路(可以为中央处理器、微控制单元等)，并且主控电路可与传感器连接，从而可以利用主控电路获取传感器当前的速度参数，并根据传感器当前的速度参数，确定电子设备当前的状态。
可选的，若传感器的速度参数中包括加速度和速度，则可以预设加速度阈值和速度阈值，从而可以在传感器当前输出的加速度小于或等于加速度阈值，且传感器当前输出的速度小于或等于速度阈值时，确定电子设备当前处于静止状态；在传感器当前输出的加速度大于加速度阈值，和/或传感器当前输出的速度大于速度阈值时，确定电子设备当前处于运动状态。
可选的，还可以根据电子设备在预设时长内的位移，确定电子设备当前的状态。因此，可以预设位移阈值，从而可以根据传感器当前输出的加速度和速度，确定电子设备在预设时长内的位移，进而可以当电子设备在预设时长内的位移小于或等于位移阈值时，确定电子设备当前处于静止状态；当电子设备在预设时长内的位移大于位移阈值时，确定当当前处于运动状态。
需要说明的是，确定当当前的状态的方式，可以包括但不限于以上列举的情形。实际使用时，可以根据实际需要选择确定当当前的状态的方式，以及所涉及到的各种阈值的具体取值，本公开实施例对此不做限定。
步骤102，若确定所述电子设备当前处于运动状态，则开启所述电子设备中的蓝牙定位电路。
在本公开实施例中，若确定电子设备当前处于运动状态，则可以通过主控电路开启电子设备中的蓝牙定位电路，以在电子设备运动过程中，通过蓝牙定位电路对设置在室内场景的各定位信标进行扫描，从而实现对电子设备的实时定位。
进一步的，可以通过蓝牙定位电路的供电回路控制蓝牙定位电路的开启与关闭。即在本公开实施例一种可能的实现形式中，上述步骤102，可以包括：
控制电子设备中的蓝牙定位电路的供电回路导通。
作为一种可能的实现方式，本公开实施例的电子设备还可以包括电源，电源可以对电子设备中的其他各电路进行供电。其中，电源可以分别与传感器、蓝牙定位电路及主控电路连接，以对传感器和蓝牙定位电路进行供电。在确定电子设备当前处于运动状态时，主控电路可以控制蓝牙定位电路的供电回路导通，以使电源可以对蓝牙定位电路进行供电。
在本公开实施例一种可能的实现形式中，所述方法还可以包括：
在开启所述蓝牙定位电路第二预设时间段后，断开传感器的供电回路。
可选的，在开启蓝牙定位电路之后，还可以关闭传感器，以进一步节约电子设备的功耗。这里，所述第二预设时间段为零。即在开启蓝牙定位电路后，可以立即关闭传感器。
在开启蓝牙定位电路对电子设备进行定位之后，暂时无需使用传感器对电子设备的运动状态进行检测，从而可以通过主控电路控制传感器的供电回路断开，以关闭传感器，进一步降低电子设备的功耗。
可选的，在开启蓝牙定位电路之后，由于传感器的功耗较小，为微安级，从而可以保持传感器与蓝牙定位电路同时处于开启状态，以避免传感器频繁得开启与关闭。
作为一种可能的实现方式，在开启蓝牙定位电路之后，还可以保持传感器在短时间内(即上述第二预设时间段不为零)与蓝牙定位电路同时处于开启状态，并在确定电子设备连续处于运动状态时，关闭传感器。比如，可以在开启蓝牙定位电路之后的2秒内，保持传感器与蓝牙定位电路同时开启，若 2秒后，确定电子设备仍然处于运动状态，则可以关闭传感器，从而不仅可以节约功耗，还可以避免对电子设备的状态的误判。由于执行状态切换时，电子设备处于不稳定的状态，同时保持传感器和蓝牙定位电路的开启，根据两者的检测结果，能够准确判断电子设备的状态，以避免对电子设备的状态的误判。
具体地，可以根据蓝牙定位电路获取的定位信标信息，确定电子设备是否持续处于运动状态，以确定是否可以关闭传感器。
即在本公开实施例一种可能的实现形式中，上述在开启所述蓝牙定位电路第二预设时间段后，断开传感器的供电回路之前，还可以包括：
若所述蓝牙定位电路在所述第二预设时间段内连续获取的多组定位信标信息中任意两组定位信标信息存在至少一个定位信标信息不同，确定所述电子设备处于运动状态，其中，每组定位信标信息包括多个定位信标信息。
在一些实施例中，电子设备在某一个时刻可以获取到多个定位信标信息，所述每组定位信标信息包括的多个定位信标信息可以是信号强度降序排序的前N个定位信标信息。
根据信号强度较大的N个定位信标信息，可以更准确地判断电子设备是否处于运动状态。例如，电子设备在第一时刻获得第一组定位信标信息中信号强度降序排序的前3个定位信标信息分别为：定位信标信息A、定位信标信息B和定位信标信息C，在第二时刻获得第二组定位信标信息中信号强度降序排序的前3个定位信标信息分别为：定位信标信息A、定位信标信息B和定位信标信息C，及第三时刻获得第三组定位信标信息中信号强度降序排序的前3个定位信标信息分别为：定位信标信息B、定位信标信息C和定位信标信息D。由于第一组定位信标信息中和第三组定位信标信息存在一个定位信标信息不同，因此，可以确定电子设备在所述第二预设时间段内处于运动状态。
在本公开实施例中，蓝牙定位电路开启第二预设时间段之后，可以根据蓝牙定位电路在所述第二预设时间段内连续获取的多组定位信标信息，确定电子设备是否处于运动状态，以防止传感器对电子设备的状态的误判，例如，电子设备处于运动状态只是瞬时发生的情形。其中，多组定位信标信息是蓝 牙定位电路分别在不同时刻获取的，若多组定位信标信息中任意两组定位信标信息存在至少一个定位信标信息不同，则可以确定电子设备处于运动状态，从而可以关闭传感器，即断开传感器的供电回路。
在一些实施例中，在开启所述蓝牙定位电路第二预设时间段后，断开所述传感器的供电回路，包括：根据各定位信标信息确定电子设备在所述第二预设时间段内的位移大于位移阈值，确定所述电子设备处于运动状态；
断开所述传感器的供电回路。
具体地，还可以通过电子设备在第二预设时间段内的位移，来确定电子设备是否处于运动状态。
例如，若在第二预设时间段内的第一时刻根据各定位信标信息，确定电子设备处于位置A，在所述第二预设时间段内的第二时刻处于位置B，位置B与位置A之间的距离大于位移阈值，则确定所述电子设备处于运动状态。其中，上述电子设备的位置的确定，具体可以参见下文描述。
步骤103，根据蓝牙定位电路获取的各定位信标信息，确定电子设备当前所在的位置。
其中，定位信标信息，可以包括定位信标的信标标识及信号强度，但不仅限于此。
在一些实施例中，所述定位信标的信标标识可以为定位信标的MAC地址。
在一些实施例中，所述定位信标的信号强度可以为定位信标在电子设备处的RSSI。
在一些实施例中，在上述步骤103之前，所述方法还包括：
根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，从各定位信标信息中选取N个参考定位信标信息，N为正整数。
在一些实施例中，所述根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，从各定位信标信息中选取N个参考定位信标信息，包括：
根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，对所述各定位信标信息进行降序排序；
将前N个定位信标信息确定为所述参考定位信标信息。
在一些实施例中，蓝牙定位电路每次可以获取到很多个定位信标的信息，而根据少量定位信标的信息即可确定电子设备当前所在的位置，因此，可以对获取到的定位信标信息进行筛选，以降低计算复杂度。
在本公开实施例中，N的具体取值，可以根据实际需要确定，本公开实施例对此不做限定。比如，N可以为3、6等。通过蓝牙定位电路获取的3个定位信标信息，即可确定出电子设备当前所在的位置，则预设数量可以为3。从而，在蓝牙定位电路获取的定位信标信息数量大于3时，可以根据各定位信标信息中的信号强度，选取信号强度降序排序的前3个定位信标信息，作为参考定位信标信息，进而利用参考定位信标信息，确定电子设备当前所在的位置。
作为一种可能的实现方式，主控电路可以根据蓝牙定位电路获取的各定位信标信息中的信标标识和信号强度，确定电子设备当前所在的位置。即在本公开实施例一种可能的实现形式中，上述步骤103，可以包括：
根据所述前N个参考定位信标信息中的信标标识及信号强度，确定电子设备当前与所述前N个参考定位信标间的相对位置；
根据电子设备当前与所述前N个参考定位信标间的相对位置、及所述前N个参考定位信标在室内的设置位置，确定电子设备当前所在的位置。
其中，电子设备与参考定位信标间的相对位置，可以是电子设备与参考定位信标间的距离。
在一些实施例中，在主控电路确定电子设备当前所在的位置后，还可以将所述电子设备当前所在的位置发送至服务端。服务端根据电子设备当前所在的位置，对使用电子设备的用户进行监控或引导等。
例如，当电子设备为工位牌时，服务端根据工位牌当前所在的位置，判断使用该工位牌的用户将进入其无权限进入的区域，服务器可以采取相应措施，如发出警报声或通知相关人员阻止该用户进入。
又例如，在展会上，服务端根据多个电子设备所在的位置判断展会入口A人员过于密集，而展会入口B人员较少，服务端可以通知相关人员进行疏导。
在本公开实施例中，蓝牙定位电路可以以一定的频率对室内场景中设置 的参考定位信标进行扫描，以获取各参考定位信标发射的蓝牙信号，从而主控电路可以根据蓝牙定位电路在每个时刻获取的各参考定位信标信息，分别确定电子设备在每个时刻的所在的位置。
作为一种可能的实现方式，由于定位信标发射的信号随着传播距离不断衰减，因此，蓝牙定位电路获取的定位信标的信号强度，与定位信标与电子设备之间的距离呈指数负相关。从而主控电路可以根据蓝牙定位电路获取的各定位信标的信号强度及定位信标的信号强度衰减特性，确定电子设备与各参考定位信标间的距离，即电子设备与各参考定位信标间的相对位置。
之后，可以根据各参考定位信标信息中的信标标识，确定各参考定位信标在室内的设置位置，进而根据电子设备与各定位信标间的相对位置及各定位信标在室内的设置位置，确定电子设备当前所在的位置。
在一些实施例中，可以根据定位信标的信标标识，在包含定位信标的信标标识(如MAC地址)及定位信标的位置信息的地理信息系统(Geographic Information System或Geo－Information system，GIS)地图或室内的分布图中确定定位信标的位置。
在获取到N个参考定位信标的位置后，可以采用一定的算法，例如质心法，以根据所述N个参考定位信标的位置确定电子设备当前所在的位置。
在本公开实施例中，电子设备还包括通信电路，主控电路在确定出电子设备当前所在的位置之后，还可以通过所述通信电路将电子设备当前所在的位置，发送给服务端。
在一些实施例中，所述通信电路可以通过远距离无线电(Long Range Radio，LoRa)技术、频移键控(Frequency-shift keying，FSK)或其他无线通信技术实现。
在一些实施例中，所述服务端可以采取上述相同的方式确定电子设备当前所在的位置。例如，服务端根据定位信标的信标标识，在包含定位信标的信标标识(如MAC地址)及定位信标的位置信息的GIS地图或室内的分布图中确定定位信标的位置。在获取到N个参考定位信标的位置后，可以采用一定的算法，例如质心法，以根据所述N个参考定位信标的位置确定电子设备当前所在的位置。
本公开实施例提供的室内定位方法，通过根据传感器当前的速度参数，确定电子设备当前的状态，并在确定电子设备当前处于运动状态时，开启电子设备中的蓝牙定位电路，进而根据蓝牙定位电路获取的各定位信标信息，确定电子设备当前所在的位置。由此，通过仅在电子设备处于运动状态时，开启蓝牙定位电路对定位信标进行扫描，从而降低了蓝牙定位电路的功耗，提升了电子设备的待机时间。
在本公开一种可能的实现形式中，电子设备的主控电路还可以将蓝牙获取到的定位信标信息发送至服务端，以使服务端根据蓝牙定位电路获取的定位信标信息，确定电子设备当前所在的位置，从而可以降低电子设备主控电路的计算量，降低主控电路的硬件要求。
下面结合图2，对本公开实施例提供的室内定位方法进行进一步说明。
图2为本公开实施例所提供的另一种室内定位方法的流程示意图。
如图2所示，该室内定位方法，包括以下步骤：
步骤201，根据传感器当前的速度参数，确定电子设备当前的状态。
步骤202，若确定电子设备当前处于运动状态，则开启电子设备中的蓝牙定位电路。
上述步骤201-202的具体实现过程及原理，可以参照上述实施例的详细描述，此处不再赘述。
步骤203，根据蓝牙定位电路获取的各定位信标信息中的信号强度，对所述各定位信标信息进行降序排序。
步骤204，将前N个定位信标信息确定为参考定位信标信息。
作为一种可能的实现方式，可以根据蓝牙定位电路获取的各定位信标信息中出信号强度，确定出信号强度较大的多个定位信标信息作为参考定位信标信息。比如，可以将信号强度较大的3个定位信标信息作为参考定位信标信息。
在本公开实施例一种可能的实现形式中，一些电子设备的主控电路的硬件条件可能较低，不具备复杂的运算能力，或者基于降低电子设备体积的考虑，无法配备高配置的主控电路，从而，在本公开实施例中，电子设备的主控电路可以在获取到蓝牙定位电路获取的信号强度降序排序的前N个定位信标 信息之后，将所述信号强度降序排序的前N个定位信标信息发送给服务端，由服务端确定电子设备当前所在的位置。
步骤205，将前N个参考定位信标信息中的信标标识及信号强度发送给服务端，以使服务端确定电子设备当前所在的位置。
在本公开实施例中，主控电路在确定出参考定位信标信息之后，即可以将参考定位信标信息即参考信标标识发送给服务端，以使服务端根据各参考定位信标信息中的信号强度，确定电子设备与各参考定位信标间的相对位置，并根据各参考定位信标标识确定各参考定位信标在室内的设置位置，进而根据电子设备与各参考定位信标间的相对位置，及各参考定位信标在室内的设置位置，确定电子设备当前所在的位置。
需要说明的是，通过服务端确定电子设备当前所在的位置的方式，与前述实施例中通过主控电路确定电子设备当前所在的位置的方式相同，此处不再赘述。
本公开实施例提供的室内定位方法，通过根据传感器当前的速度参数，计算电子设备当前的状态，并在电子设备当前处于运动状态时，开启电子设备中的蓝牙定位电路，之后根据蓝牙定位电路获取的各定位信标信息中的信号强度，对所述各定位信标信息进行降序排序，将前N个定位信标信息确定为参考定位信标信息，进而将参考定位信标信息中的信标标识及信号强度发送给服务端，以使服务端确定电子设备当前所在的位置。由此，通过仅在电子设备处于运动状态时，开启蓝牙定位电路对定位信标进行扫描，并通过服务端确定电子设备当前所在的位置，从而不仅降低了蓝牙定位电路的功耗，提升了电子设备的待机时间，而且降低了电子设备的计算复杂度及硬件要求。
在本公开一种可能的实现形式中，电子设备处于运动状态的过程中，可以根据蓝牙定位电路获取的定位信标信息，实时监测电子设备是否处于静止状态，以关闭蓝牙定位电路，开启传感器监测，降低电子设备的功耗。
下面结合图3，对本公开实施例提供的室内定位方法进行进一步说明。
图3为本公开实施例所提供的再一种室内定位方法的流程示意图。
如图3所示，该室内定位方法，包括以下步骤：
步骤301，根据传感器当前的速度参数，确定电子设备当前的状态。
步骤302，若确定电子设备当前处于运动状态，则开启电子设备中的蓝牙定位电路。
步骤303，根据蓝牙定位电路获取的各定位信标信息，确定电子设备当前所在的位置。
上述步骤301-303的具体实现过程及原理，可以参照上述实施例的详细描述，此处不再赘述。
步骤304，所述蓝牙定位电路在第一预设时间段内连续获取的多组定位信标信息均相同，确定电子设备处于静止状态。
或执行步骤305，根据各定位信标信息确定电子设备在所述第一预设时间段内的位移小于或等于位移阈值，确定电子设备处于静止状态。
在本公开实施例中，由于电子设备处于运动状态时，为进一步降低电子设备的功耗，可以关闭蓝牙定位电路。
具体地，可以根据蓝牙定位电路在第一预设时间段内连续获取的多组定位信标信息，判断电子设备是否由运动状态切换为静止状态。或者根据电子设备在所述第一预设时间段内的位移，判断电子设备是否由运动状态切换为静止状态。
具体的，若蓝牙定位电路在第一预设时间段内连续获取的多组定位信标信息均相同，或者根据各定位信标信息确定电子设备在所述第一预设时间段内的位移小于或等于位移阈值，则可以确定电子设备处于静止状态。
需要说明的是，实际使用时，可以根据实际需要确定第一预设时间段的时长，比如可以为10秒、1分钟等，本公开实施例对此不做限定。
步骤306，在所述第一预设时间段后关闭蓝牙定位电路并开启电子设备中的传感器。
在本公开实施例中，若确定电子设备当前处于静止状态，从而可以开启电子设备中的传感器(即控制传感器的供电回路导通)，以利用传感器检测电子设备的状态；并关闭蓝牙定位电路(即控制蓝牙定位电路的供电回路断开)，以在电子设备处于静止状态时，暂停蓝牙定位电路对定位信标的扫描，降低电子设备的功耗。此时，所述第一预设时间段为零。
需要说明的是，在开启传感器之后，还可以保持传感器在短时间内(即 所述第一预设时间段不为零)与蓝牙定位电路同时处于开启状态，并在确定电子设备连续处于静止状态时，关闭蓝牙定位电路，以防止误判和蓝牙定位电路的频繁开启与关闭。比如，可以在开启传感器之后的2秒内，保持传感器与蓝牙定位电路同时开启，若2秒后，根据传感器的输出值和/或蓝牙定位电路获取的定位信标信息，确定电子设备仍然处于静止状态，则可以关闭蓝牙定位电路，从而不仅可以节约功耗，还可以避免对电子设备的状态的误判。
本公开实施例提供的室内定位方法，通过根据传感器当前的速度参数，确定电子设备当前的状态，并在确定电子设备当前处于运动状态时，开启电子设备中的蓝牙定位电路，之后根据蓝牙定位电路获取的各定位信标信息，确定电子设备当前所在的位置，进而在确定电子设备处于静止状态时，关闭蓝牙定位电路并开启传感器。由此，通过在确定电子设备处于静止状态时，关闭蓝牙定位电路，从而降低了蓝牙定位电路的功耗，提升了电子设备的待机时间。
为了实现上述实施例，本公开还提出一种电子设备400。
如图4所示，该电子设备400，包括：传感器401、主控电路402及蓝牙定位电路403；
所述传感器401用于确定电子设备400的当前的速度参数；
所述主控电路402用于根据当前的速度参数确定所述电子设备400当前的状态；若确定所述电子设备400当前处于运动状态，则开启所述蓝牙定位电路403；及根据所述蓝牙定位电路403获取的各定位信标信息，确定所述电子设备400当前所在的位置。
可选的，所述主控电路402还用于：所述开启所述蓝牙定位电路之后，若所述蓝牙定位电路在第一预设时间段内连续获取的多组定位信标信息均相同，或根据各定位信标信息确定电子设备在所述第一预设时间段内的位移小于或等于位移阈值，确定所述电子设备处于静止状态；在所述第一预设时间段后关闭所述蓝牙定位电路。
可选的，所述主控电路402还用于：在所述第一预设时间段后关闭所述蓝牙定位电路之后，开启所述传感器。
可选的，电子设备400还包括电源404，其中，所述主控电路402还用 于：通过控制所述蓝牙定位电路与所述电源接通，控制所述蓝牙定位电路的供电回路导通。
可选的，电子设备400还包括电源，其中，所述主控电路402还用于：在开启所述蓝牙定位电路第二预设时间段后，通过断开所述传感器与所述电源之间的连接，断开所述传感器的供电回路。
可选的，所述主控电路402还用于：若所述蓝牙定位电路在所述第二预设时间段内连续获取的多组定位信标信息中任意两组定位信标信息存在至少一个定位信标信息不同，或根据各定位信标信息确定电子设备在所述第二预设时间段内的位移大于位移阈值，确定所述电子设备处于运动状态；其中，每组定位信标信息包括多个定位信标信息，断开所述传感器的供电回路。
可选的，所述定位信标信息包括信号强度；所述主控电路402还用于：根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，从各定位信标信息中选取N个参考定位信标信息，N为正整数。
可选的，所述主控电路402还用于：根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，对所述各定位信标信息进行降序排序；将前N个定位信标信息确定为所述参考定位信标信息。
可选的，所述定位信标信息还包括信标标识，所述主控电路402还用于：根据所述前N个参考定位信标信息中的信标标识及信号强度，确定所述电子设备当前与所述前N个参考定位信标间的相对位置；根据所述电子设备当前与所述前N个参考定位信标间的相对位置、及所述前N个参考定位信标在室内的设置位置，确定所述电子设备当前所在的位置。
可选的，电子设备400还包括通信电路405，其中，所述定位信标信息还包括信标标识；所述主控电路402还用于将所述前N个参考定位信标信息中的信标标识及信号强度发送给服务端500，以使所述服务端500确定所述电子设备当前所在的位置。
在一些实施例中，如图4所示，电子设备400包括传感器401、主控电路402、蓝牙定位电路403、电源404、通信电路405。
传感器401可以是加速度传感器或陀螺仪等，用于获取电子设备的加速度、速度等信息。加速度计的功耗一般为uA量级，而扫描时蓝牙定位电路 403的功耗一般为mA量级，因此如果电子设备在静止时，使用传感器401测量的功耗会远远小于蓝牙定位电路403扫描的功耗。
主控电路402主要完成传感器401的速度参数的获取、电子设备的状态算法的实现、低功耗控制策略的生成、定位信标信息的获取与上传等功能。主控电路可以为微控制单元MCU。主控电路通过检测加速度传感器的加速度、速度等速度参数，并确定电子设备当前所处的状态(运动或静止)，或根据蓝牙定位电路获取的定位信标信息，确定获取电子设备当前所处的状态，之后，根据电子设备当前所处的状态，给出蓝牙定位电路和传感器是否工作的指示，从而生成低功耗控制策略，然后控制蓝牙定位电路和传感器的供电通断，达到降低功耗的目的。在一些实施例中，当处于定位状态时，MCU可以将蓝牙定位电路获取的定位信标信息(包括定位信标的信号标识和信号强度)通过通信电路405发送到服务端，完成整个定位过程。
蓝牙定位电路403主要完成定位信标信息的获取。蓝牙定位电路403通过扫描定位信标(可以简称Beacon)获取定位信标信息，定位信标信息可以包括Beacon的MAC地址及对应的RSSI。为了降低功耗，蓝牙定位电路403一般采用低功耗蓝牙(Bluetooth Low Energy，BLE)。
电源404为电子设备中的主控电路、蓝牙定位电路和通信电路等供电。在一些实施例中，电源对传感器和蓝牙定位电路的供电收受主控电路MCU的控制。
通信电路405用于将获取的定位信标信息上传到服务端。通信电路405可以通过LoRa、FSK或其他无线技术实现。服务端500主要负责数据处理和电子设备管理，根据定位信标信息和存储的包含Beacon的MAC地址和位置信息的GIS地图计算出电子设备的位置。
以下结合一个具体的例子对本公开实施例中的室内定位方法进行描述。该例子中，电子设备为工位牌。如图5所示，假定初始状态时，工位牌处于静止状态。这里的静止状态是指工位牌在一定时间段内的位移较小，并不是完全不动的状态。此时，加速度传感器的供电开关S1(可参见图4)是闭合的，本公开的室内定位方法可包括如下步骤。
步骤1，打开加速度传感器对应的开关S1。
步骤2，获取工位牌的加速度、速度等速度参数信息。
步骤3，根据步骤2中获取的加速度、速度等速度参数信息，计算工位牌的状态。
步骤4，判断工位牌处于运动状态。
MCU从加速度传感器获取工位牌的加速度、速度等速度参数信息，并根据速度参数信息计算出工位牌是否处于运动状态。
如果是，则执行步骤5，如果不是，则返回步骤2。
步骤5，打开蓝牙定位电路，同时关闭加速度传感器。
如果发现工位牌的加速度发生明显变化，即工位牌从静止状态变为运动状态，MCU需要开启蓝牙定位电路定位，即开关S2闭合。
步骤6，蓝牙定位电路扫描周围的Beacon。
蓝牙定位电路打开并开始扫描周围的Beacon，获取Beacon的定位信标信息。同时打开开关S1，关闭加速度传感器。
步骤7，根据获取的Beacon的定位信标信息，通过RSSI筛选信号强度降序排序(即RSSI升序排序，信号强度最大时，RSSI最小)的前3个Beacon作为定位信标。
步骤8，通过通信电路向PC服务端上传定位信标的MAC地址和对应的RSSI。
步骤9，通过定时器定时或扫描次数(如连续10次)，判断获取的各组定位信标是否均相同。这里，每组定位信标可以仅包括信号强度降序排序的前3个Beacon。
如果是，则认为工位牌处于静止状态，执行步骤10，如果不是，则认为工位牌仍然处于运动状态，返回步骤6。
步骤10，关闭蓝牙定位电路，返回步骤1。
这里，如果蓝牙定位电路长时间扫描到相同的Beacon，则认为工牌可能切换为静止状态，MCU需要关闭蓝牙定位电路并打开加速度传感器以降低功耗。
在一些实施例中，工位牌由运动状态切换为静止状态时，可以在短时间内使得加速度传感器和蓝牙定位电路同时开启，使得两者均可以对工位牌的 状态进行判断，根据两者的检测结果，能够准确判断工位牌的状态，从而可以避免对工位牌的状态出现误判的现象。
在一些实施例中，还可以增加MCU的休眠时间，即，MCU在空闲的时候可以休眠，以进一步降低工位牌的功耗。
图6为本公开一个实施例的电子设备的结构示意图。
如图6所示，上述电子设备200包括：
存储器210及处理器220，连接不同组件(包括存储器210和处理器220)的总线230，存储器210存储有计算机程序，当处理器220执行所述程序时实现本公开实施例所述的室内定位方法。
总线230表示几类总线结构中的一种或多种，包括存储器总线或者存储器控制器，外围总线，图形加速端口，处理器或者使用多种总线结构中的任意总线结构的局域总线。举例来说，这些体系结构包括但不限于工业标准体系结构(ISA)总线，微通道体系结构(MAC)总线，增强型ISA总线、视频电子标准协会(VESA)局域总线以及外围组件互连(PCI)总线。
电子设备200典型地包括多种计算机可读介质。这些介质可以是任何能够被电子设备200访问的可用介质，包括易失性和非易失性介质，可移动的和不可移动的介质。
存储器210还可以包括易失性存储器形式的计算机系统可读介质，例如随机存取存储器(RAM)240和/或高速缓存存储器250。电子设备200可以进一步包括其它可移动/不可移动的、易失性/非易失性计算机系统存储介质。仅作为举例，存储系统260可以用于读写不可移动的、非易失性磁介质(图4未显示，通常称为“硬盘驱动器”)。尽管图4中未示出，可以提供用于对可移动非易失性磁盘(例如“软盘”)读写的磁盘驱动器，以及对可移动非易失性光盘(例如CD-ROM,DVD-ROM或者其它光介质)读写的光盘驱动器。在这些情况下，每个驱动器可以通过一个或者多个数据介质接口与总线230相连。存储器210可以包括至少一个程序产品，该程序产品具有一组(例如至少一个)程序模块，这些程序模块被配置以执行本公开各实施例的功能。
具有一组(至少一个)程序模块270的程序/实用工具280，可以存储在例如存储器210中，这样的程序模块270包括——但不限于——操作系统、 一个或者多个应用程序、其它程序模块以及程序数据，这些示例中的每一个或某种组合中可能包括网络环境的实现。程序模块270通常执行本公开所描述的实施例中的功能和/或方法。
电子设备200也可以与一个或多个外部设备290(例如键盘、指向设备、显示器291等)通信，还可与一个或者多个使得用户能与该电子设备200交互的设备通信，和/或与使得该电子设备200能与一个或多个其它计算设备进行通信的任何设备(例如网卡，调制解调器等等)通信。这种通信可以通过输入/输出(I/O)接口292进行。并且，电子设备200还可以通过网络适配器293与一个或者多个网络(例如局域网(LAN)，广域网(WAN)和/或公共网络，例如因特网)通信。如图所示，网络适配器293通过总线230与电子设备200的其它模块通信。应当明白，尽管图中未示出，可以结合电子设备200使用其它硬件和/或软件模块，包括但不限于：微代码、设备驱动器、冗余处理单元、外部磁盘驱动阵列、RAID系统、磁带驱动器以及数据备份存储系统等。
处理器220通过运行存储在存储器210中的程序，从而执行各种功能应用以及数据处理。
需要说明的是，本实施例的电子设备的实施过程和技术原理参见前述对本公开实施例的室内定位方法的解释说明，此处不再赘述。
本公开实施例提供的电子设备，可以执行如前所述的室内定位方法，通过根据传感器当前的速度参数，确定电子设备当前的状态，并在确定电子设备当前处于运动状态时，开启电子设备中的蓝牙定位电路，进而根据蓝牙定位电路获取的各定位信标信息，确定电子设备当前所在的位置。由此，通过仅在电子设备处于运动状态时，开启蓝牙定位电路对定位信标进行扫描，从而降低了蓝牙定位电路的功耗，提升了电子设备的待机时间。
为了实现上述实施例，本公开还提出一种计算机可读存储介质。
其中，该计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时，以实现本公开实施例所述的室内定位方法。
为了实现上述实施例，本公开再一方面实施例提供一种计算机程序，该程序被处理器执行时，以实现本公开实施例所述的室内定位方法。
一种可选实现形式中，本实施例可以采用一个或多个计算机可读的介质的任意组合。计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质。计算机可读存储介质例如可以是——但不限于——电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。计算机可读存储介质的更具体的例子(非穷举的列表)包括：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机存取存储器(RAM)、只读存储器(ROM)、可擦式可编程只读存储器(EPROM或闪存)、光纤、便携式紧凑磁盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本文件中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。
计算机可读的信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的程序代码。这种传播的数据信号可以采用多种形式，包括——但不限于——电磁信号、光信号或上述的任意合适的组合。计算机可读的信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。
计算机可读介质上包含的程序代码可以用任何适当的介质传输，包括——但不限于——无线、电线、光缆、RF等等，或者上述的任意合适的组合。
可以以一种或多种程序设计语言或其组合来编写用于执行本公开操作的计算机程序代码，所述程序设计语言包括面向对象的程序设计语言—诸如Java、Smalltalk、C++，还包括常规的过程式程序设计语言—诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户电子设备上执行、部分地在用户电子设备上执行、作为一个独立的软件包执行、部分在用户电子设备上部分在远程电子设备上执行、或者完全在远程电子设备或服务器上执行。在涉及远程电子设备的情形中，远程电子设备可以通过任意种类的网络——包括局域网(LAN)或广域网(WAN)—连接到用户电子设备，或者，可以连接到外部电子设备(例如利用因特网服务提供商来通过因特网连接)。
本领域技术人员在考虑说明书及实践这里申请的发明后，将容易想到本公开的其它实施方案。本公开旨在涵盖本公开的任何变型、用途或者适应性 变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未发明的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由权利要求指出。
上述本公开揭示的方法可以应用于处理器中，或者由处理器实现。处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本公开中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本公开所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解的是，本文描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本文功能的模块(例如过程、函数等)来实现本文的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所 附的权利要求来限制。

Claims (24)

  1. 一种室内定位方法，包括：
    根据传感器当前的速度参数，确定所述电子设备当前的状态；
    若确定所述电子设备当前处于运动状态，则开启所述电子设备中的蓝牙定位电路；
    根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置。
  2. 如权利要求1所述的方法，其中，所述开启所述电子设备中的蓝牙定位电路之后，还包括：
    若所述蓝牙定位电路在第一预设时间段内连续获取的多组定位信标信息均相同，或根据各定位信标信息确定电子设备在所述第一预设时间段内的位移小于或等于位移阈值，确定所述电子设备处于静止状态；
    在所述第一预设时间段后关闭所述蓝牙定位电路。
  3. 如权利要求2所述的方法，在所述第一预设时间段后关闭所述蓝牙定位电路之后，所述方法还包括：开启所述电子设备中的传感器。
  4. 如权利要求1所述的方法，其中，所述开启所述电子设备中的蓝牙定位电路，包括：控制所述电子设备中的蓝牙定位电路的供电回路导通。
  5. 如权利要求1所述的方法，还包括：
    在开启所述蓝牙定位电路第二预设时间段后，断开所述传感器的供电回路。
  6. 如权利要求5所述的方法，其中，所述在开启所述蓝牙定位电路第二预设时间段后，断开所述传感器的供电回路，包括：
    若所述蓝牙定位电路在所述第二预设时间段内连续获取的多组定位信标信息中任意两组定位信标信息存在至少一个定位信标信息不同，或根据各定位信标信息确定电子设备在所述第二预设时间段内的位移大于位移阈值，确定所述电子设备处于运动状态；其中，每组定位信标信息包括多个定位信标信息，
    断开所述传感器的供电回路。
  7. 如权利要求2-6任一项所述的方法，其中，所述第一预设时间段和/或第二预设时间段为零。
  8. 如权利要求1-7任一所述的方法，其中，所述定位信标信息包括信号强度；
    所述在根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置之前，所述方法还包括：
    根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，从各定位信标信息中选取N个参考定位信标信息，N为正整数。
  9. 如权利要求8所述的方法，其中，所述根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，从各定位信标信息中选取N个参考定位信标信息，包括：
    根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，对所述各定位信标信息进行降序排序；
    将前N个定位信标信息确定为所述参考定位信标信息。
  10. 如权利要求9所述的方法，所述定位信标信息还包括信标标识，
    所述根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置，包括：
    根据所述前N个参考定位信标信息中的信标标识及信号强度，确定所述电子设备当前与所述前N个参考定位信标间的相对位置；
    根据所述电子设备当前与所述前N个参考定位信标间的相对位置、及所述前N个参考定位信标在室内的设置位置，确定所述电子设备当前所在的位置。
  11. 如权利要求9所述的方法，其中，所述定位信标信息还包括信标标识；
    所述根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置，包括：
    将所述前N个参考定位信标信息中的信标标识及信号强度发送给服务端，以使所述服务端确定所述电子设备当前所在的位置。
  12. 一种电子设备，包括：传感器、主控电路及蓝牙定位电路；
    所述传感器用于确定电子设备的当前的速度参数；
    所述主控电路用于根据当前的速度参数确定所述电子设备当前的状态；若确定所述电子设备当前处于运动状态，则开启所述蓝牙定位电路；及根据所述蓝牙定位电路获取的各定位信标信息，确定所述电子设备当前所在的位置。
  13. 如权利要求12所述的电子设备，其中，所述主控电路还用于：
    所述开启所述蓝牙定位电路之后，
    若所述蓝牙定位电路在第一预设时间段内连续获取的多组定位信标信息均相同，或根据各定位信标信息确定电子设备在所述第一预设时间段内的位移小于或等于位移阈值，确定所述电子设备处于静止状态；
    在所述第一预设时间段后关闭所述蓝牙定位电路。
  14. 如权利要求13所述的电子设备，其中，所述主控电路还用于：
    在所述第一预设时间段后关闭所述蓝牙定位电路之后，开启所述传感器。
  15. 如权利要求12所述的电子设备，还包括电源，其中，所述主控电路还用于：通过控制所述蓝牙定位电路与所述电源接通，控制所述蓝牙定位电路的供电回路导通。
  16. 如权利要求12所述的电子设备，还包括电源，其中，所述主控电路还用于：在开启所述蓝牙定位电路第二预设时间段后，通过断开所述传感器与所述电源之间的连接，断开所述传感器的供电回路。
  17. 如权利要求16所述的电子设备，其中，所述主控电路还用于：
    若所述蓝牙定位电路在所述第二预设时间段内连续获取的多组定位信标信息中任意两组定位信标信息存在至少一个定位信标信息不同，或根据各定位信标信息确定电子设备在所述第二预设时间段内的位移大于位移阈值，确定所述电子设备处于运动状态；其中，每组定位信标信息包括多个定位信标信息，
    断开所述传感器的供电回路。
  18. 如权利要求12所述的电子设备，其中，所述定位信标信息包括信号强度；所述主控电路还用于：
    根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，从各定位 信标信息中选取N个参考定位信标信息，N为正整数。
  19. 如权利要求18所述的电子设备，其中，所述主控电路还用于：
    根据所述蓝牙定位电路获取的各定位信标信息中的信号强度，对所述各定位信标信息进行降序排序；
    将前N个定位信标信息确定为所述参考定位信标信息。
  20. 如权利要求19所述的电子设备，其中，所述定位信标信息还包括信标标识，所述主控电路还用于：
    根据所述前N个参考定位信标信息中的信标标识及信号强度，确定所述电子设备当前与所述前N个参考定位信标间的相对位置；
    根据所述电子设备当前与所述前N个参考定位信标间的相对位置、及所述前N个参考定位信标在室内的设置位置，确定所述电子设备当前所在的位置。
  21. 如权利要求19所述的电子设备，还包括通信电路，
    其中，所述定位信标信息还包括信标标识；
    所述主控电路还用于将所述前N个参考定位信标信息中的信标标识及信号强度通过所述通信电路发送给服务端，以使所述服务端确定所述电子设备当前所在的位置。
  22. 一种电子设备，包括：存储器、处理器及存储在存储器上并可在处理器上运行的程序，其中，所述处理器执行所述程序时实现如权利要求1-11中任一所述的室内定位方法。
  23. 一种非瞬态计算机可读存储介质，其上存储有计算机程序，所述程序被处理器执行时实现如权利要求1-11中任一所述的室内定位方法。
  24. 一种计算机程序产品，所述计算机程序产品包括计算机指令，所述计算机指令指示计算设备执行权利要求1-11中任一项所述的室内定位方法的步骤。
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