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31results about How to "Reduce positioning power consumption" patented technology

Intelligent terminal positioning method and system

The invention provides an intelligent terminal positioning method and system and relates to the technical field of mobile positioning. The intelligent terminal positioning method comprises the steps that the accelerated speeds of an intelligent terminal at different times are acquired, and a curve of the relation between the accelerated speeds and the times is generated; the motion state and the displacement of the intelligent terminal are obtained according to the curve of the relation between the accelerated speeds and the times; a positioning mode is selected according to the motion state and the displacement of the intelligent terminal, and positioning is conducted in the selected positioning mode, wherein positioning modes include the base station positioning mode, the intelligent positioning mode and the GPS positioning mode. According to the intelligent terminal positioning method and system, the three positioning modes are set, the positioning modes can be switched automatically by the intelligent terminal according to the motion state and the displacement of the intelligent terminal, positioning power consumption is reduced on the premise that the positioning precision is guaranteed, and the requirements of people for positioning precision and positioning power consumption are met.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Positioning method, device, equipment and system

The invention discloses a positioning method, a device, equipment and a system. The method comprises steps: when positioning equipment needs to be positioned, whether the current position of the positioning equipment needs to be updated is judged; when the current position of the positioning equipment needs to be updated, WIFI hotspot data near the current positioning equipment are acquired; the WIFI hotspot data are uploaded to a positioning server to enable the positioning server to acquire first position information according to the WIFI hotspot data, the current position of the positioning equipment is updated according to the first position information when a preset condition is met, and when the preset condition is not met, a GPS positioning starting command is returned; when the GPS positioning starting command returned by the positioning server is acquired, a GPS positioning module is started; and when second position information is acquired through the GPS positioning module, the GPS positioning module is closed, the second position information is sent to the positioning server to enable the positioning server to update the current position of the positioning equipment according to the second position information. By adopting the embodiment of the invention, the positioning power consumption of the positioning equipment can be effectively reduced.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD

Adjustment method for positioning modes of mobile terminal

The invention provides an adjustment method for positioning modes of a mobile terminal. The time that the residual electricity of the mobile terminal can be used is calculated by collecting the electricity consumption speed and the residual electricity of the mobile terminal, and different positioning modes of the mobile terminal are adopted according to different times that the residual electricity can be used. If the time that the residual electricity can be used is short, an electricity-saving mode is adopted to position the mobile terminal. If the time that the residual electricity can be used is long, a high-precision mode with high frequency and high accuracy is adopted to position the mobile terminal. If the time that the residual electricity can be used is between the two situations, a normal mode between the electricity-saving mode and the high-precision mode is adopted to position the mobile terminal. The adjustment method for the positioning modes of the mobile terminal adopts different positioning modes according to the time that residual electricity can be used, is capable of flexibly adjusting the positioning modes according to the residual electricity, is capable of effectively reducing the electricity consumption amount of the mobile terminal under the condition of low electricity amount, and prolongs the sand-by time of the mobile terminal.
Owner:苏州海客科技有限公司

Positioning method, device, equipment and system

The invention discloses a positioning method, device, equipment and system. The method comprises the following steps: when the positioning equipment needs to be positioned, judging whether a current position of the positioning equipment needs to be updated or not; when the current position of the positioning equipment needs to be updated, starting a GPS positioning module of the positioning equipment; obtaining nearby Wi-Fi hotspot data of the current positioning equipment; uploading the Wi-Fi hotspot data to a positioning server, so that the positioning server obtains first position information according to the Wi-Fi hotspot data, and, when preset conditions are met, updates the current position of the positioning equipment according to the first position information and returns a command to stop GPS positioning; when the command to stop the GPS positioning returned by the positioning server is received, closing the GPS positioning module; and when second position information is obtained through the GPS positioning module, closing the GPS positioning module, and sending the second position information to the positioning server, so that the positioning server updates the current position of the positioning equipment according to the second position information. The positioning method, device, equipment and system provided by the embodiment of the invention has the advantage that positioning power consumption of the positioning equipment can be effectively reduced.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD

Low-power-consumption positioning method and system based on adjacency sensing and mobile base station

The invention discloses a low-power-consumption positioning method and system based on adjacency sensing and a mobile base station. The low-power-consumption positioning method comprises the steps of user position acquisition, wherein the mobile base station GSM is used for inquiring an adjacent base station and calculating the current position of a user; adjacent device detection, wherein a mobile terminal periodically starts a Bluetooth sensor to scan adjacent devices and detect whether other Bluetooth devices exist around, and a pairing mechanism is started so that the mobile terminal can be automatically connected to the available Bluetooth device if the adjacent Bluetooth device is detected; position sharing, wherein the mobile terminal and the Bluetooth device each transmit the position information obtained last time through Bluetooth, positioning accuracy of the mobile terminal and positioning accuracy of the Bluetooth device are compared according to the positioning information, and the mobile terminal updates the positioning information if the positioning accuracy of the Bluetooth device is higher than that of the mobile terminal, otherwise the positioning information of the mobile terminal remains unchanged. According to the low-power-consumption positioning method and system, the low-power-consumption mobile base station GSM and the Bluetooth sensor are used for positioning, the frequency of using a positioning module can be reduced through a positioning sharing method, and therefore the overall positioning power consumption can be reduced.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Positioning method, device and system for Internet of Things equipment

InactiveCN111123313AReduce power consumptionFast and accurate transmissionSatellite radio beaconingEmbedded systemData needs
The invention discloses a positioning method, device and system for Internet of Things equipment, and the method, device and system can effectively improve the positioning rate, reduce the positioningpower consumption, and can meet requirements of low power consumption and quick positioning in the Internet of Things. The method comprises the following steps: after to-be-positioned Internet of Things equipment receives a positioning request, whether current ephemeris data need to be updated is judged according to the positioning request, if not, positioning is carried out by means of the current ephemeris data, if so, an ephemeris data downloading request is sent to a GNSS platform, the GNSS platform downloads the ephemeris data according to the ephemeris data downloading request and determines ephemeris data different from the current ephemeris data stored in the to-be-positioned Internet of Things equipment in the downloaded ephemeris data as differential ephemeris data, and the differential ephemeris data is returned to the to-be-positioned Internet of Things equipment, so that the to-be-positioned Internet of Things equipment can perform accurate positioning according to the differential ephemeris data and update the current ephemeris data.
Owner:BEIJING HUAHONG INTEGRATED CIRCUIT DESIGN

Trajectory recording method, device and system

The embodiment of the invention provides a track recording method, device and system. According to the monitored communication behavior information between an intelligent terminal and communication equipment and/or the user behavior information of the intelligent terminal, the communication behavior information of the intelligent terminal is monitored, when it is determined that the intelligent terminal meets the positioning triggering condition, positioning information of the corresponding node is recorded according to the behavior information and a preset positioning information recording strategy, and the positioning information is sent to a server, so that the server generates track information of the intelligent terminal according to the positioning information, recorded by the intelligent terminal, of each node. Thus, compared with a traditional scheme in which positioning is triggered based on a time interval, the method is simple; whether positioning is triggered or not is determined through the communication behavior information and/or the user behavior information, the problem that the intelligent terminal frequently initiates positioning in the static state is solved, the positioning power consumption of the intelligent terminal in the static state is effectively reduced, and the positioning timeliness and accuracy of position movement of the intelligent terminal areimproved.
Owner:广西信恒科技有限公司

Low-power consumption positioning method based on accelerometer and GPS

The invention discloses a low-power consumption positioning method based on an accelerometer and a GPS. The method comprises following steps of (1) if a GPS positioning function is in a usable state, using the GPS to acquire an initial positioning point, and if the GPS positioning function is in an unusable state, directly using the accelerometer to acquire the initial positioning point; (2) using a map matching method to match the initial positioning point to a proper road so as to reduce positioning errors and obtain a positioning point after the matching, and using the matching point after the matching as the initial position of the accelerometer; (3) using the accelerometer to acquire real-time three-dimensional acceleration speed projection information of each moment; and (4) using the initial position of the accelerometer and the real-time three-dimensional acceleration speed projection information of each moment to acquire the positioning information of the current moment. According to the invention, by periodically starting the GPS positioning function, combining positioning calculation of the accelerometer, and combining the map matching method for carrying out road matching, power consumption can be reduced under the premise that the positioning precision is ensured.
Owner:陕西远海探科电子科技有限公司

Method and device for realizing wireless sensor network (WSN) node positioning by establishing virtual synthetic aperture radar (SAR) image

The invention discloses a method and device for realizing wireless sensor network (WSN) node positioning by establishing a virtual synthetic aperture radar (SAR) image. The method comprises the stepsthat according to the similarity between signals of SAR distance units and signals between WSN beacon nodes, the virtual SAR image is established based on the signals between the WSN nodes, and a problem of phase information estimation of the signals of the WSN nodes under a noise interference condition is transformed into a problem of self-focusing processing of the virtual SAR image; a projection approximation subspace tracking (PAST) technology is used for performing self-focusing processing on the virtual SAR image, so that phase information of the signals between the WSN nodes is precisely estimated under a low signal-to-noise ratio condition; and finally, based on a corresponding relationship between the phase information of the signals between the nodes and a physical distance, a target function is established based on the principle of the cosine similarity, positioning of an unknown node is realized by searching an optimal solution to the target function, and positioning of theWSN nodes under the low signal-to-noise ratio condition is realized. A simulation experiment proves that the method and device for realizing WSN node positioning by establishing the SAR image is goodin positioning precision, low in positioning power consumption, and is suitable for WSN node positioning.
Owner:TONGDING INTERCONNECTION INFORMATION CO LTD

A low-power positioning method based on accelerometer and GPS

The invention discloses a low-power consumption positioning method based on an accelerometer and a GPS. The method comprises following steps of (1) if a GPS positioning function is in a usable state, using the GPS to acquire an initial positioning point, and if the GPS positioning function is in an unusable state, directly using the accelerometer to acquire the initial positioning point; (2) using a map matching method to match the initial positioning point to a proper road so as to reduce positioning errors and obtain a positioning point after the matching, and using the matching point after the matching as the initial position of the accelerometer; (3) using the accelerometer to acquire real-time three-dimensional acceleration speed projection information of each moment; and (4) using the initial position of the accelerometer and the real-time three-dimensional acceleration speed projection information of each moment to acquire the positioning information of the current moment. According to the invention, by periodically starting the GPS positioning function, combining positioning calculation of the accelerometer, and combining the map matching method for carrying out road matching, power consumption can be reduced under the premise that the positioning precision is ensured.
Owner:陕西远海探科电子科技有限公司

Positioning method, device, equipment and system

The invention discloses a positioning method, device, device and system. The method includes: when the positioning device needs to be positioned, judging whether the current position of the positioning device needs to be updated; when the current position of the positioning device needs to be updated, turning on the positioning device GPS positioning module; obtain WIFI hotspot data near the current positioning device; upload WIFI hotspot data to the positioning server, so that the positioning server obtains the first location information according to the WIFI hotspot data, and updates the positioning according to the first location information when the preset conditions are met The current location of the device and the return stop GPS positioning command; when the stop GPS positioning command returned by the positioning server is obtained, the GPS positioning module is turned off; when the second position information is obtained through the GPS positioning module, the GPS positioning module is turned off, and the first The second position information is sent to the positioning server, so that the positioning server updates the current position of the positioning device according to the second position information. By adopting the embodiment of the present invention, the positioning power consumption of the positioning device can be effectively reduced.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD

Positioning method, device, equipment and system

Disclosed are a positioning method, device, apparatus, and system. The method comprises: when a positioning apparatus needs to be positioned, determining whether a current location of the positioning apparatus needs to be updated; obtaining WiFi hotspot data near the current positioning apparatus when the current location of the positioning apparatus needs to be updated; uploading the WiFi hotspot data to a positioning server so that the positioning server obtains first location information according to the WiFi hotspot data, and updates the current location of the positioning apparatus according to the first location information when a preset condition is met and returns a GPS positioning start command when the preset condition is not met; enabling a GPS positioning module when obtaining the GPS positioning start command returned by the positioning server; and disabling the GPS positioning module when second location information is obtained by means of the GPS positioning module, and sending the second location information to the positioning server so that the positioning server updates the current location of the positioning apparatus according to the second location information. Embodiments of the present invention can effectively reduce the positioning power consumption of a positioning apparatus.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD

Low power consumption positioning method and system based on proximity sensing and mobile base station

The invention discloses a low-power-consumption positioning method and system based on adjacency sensing and a mobile base station. The low-power-consumption positioning method comprises the steps of user position acquisition, wherein the mobile base station GSM is used for inquiring an adjacent base station and calculating the current position of a user; adjacent device detection, wherein a mobile terminal periodically starts a Bluetooth sensor to scan adjacent devices and detect whether other Bluetooth devices exist around, and a pairing mechanism is started so that the mobile terminal can be automatically connected to the available Bluetooth device if the adjacent Bluetooth device is detected; position sharing, wherein the mobile terminal and the Bluetooth device each transmit the position information obtained last time through Bluetooth, positioning accuracy of the mobile terminal and positioning accuracy of the Bluetooth device are compared according to the positioning information, and the mobile terminal updates the positioning information if the positioning accuracy of the Bluetooth device is higher than that of the mobile terminal, otherwise the positioning information of the mobile terminal remains unchanged. According to the low-power-consumption positioning method and system, the low-power-consumption mobile base station GSM and the Bluetooth sensor are used for positioning, the frequency of using a positioning module can be reduced through a positioning sharing method, and therefore the overall positioning power consumption can be reduced.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Pet anti-lost device and pet anti-lost method based on NB-IOT technology

The invention provides a pet anti-lost device and a pet anti-lost method based on an NB-IOT technology. A fixed box is mounted on a fastening belt; a main control chip is mounted in the fixed box; an alarm module is mounted in the fixed box, is connected with the main control chip and is used for sending alarm information; a positioning module is installed in the fixed box and comprises an NB-IOT communication positioning module and a GPS module, the NB-IOT communication positioning module and the GPS module are connected with the main control chip, the GPS module is used for obtaining the position data of a pet, and the NB-IoT communication positioning module is used for obtaining the position data of the pet and sending the data obtained by the main control chip to a preset associated terminal through an NB-IoT base station; a voice module is installed in the fixed box, connected with the main control chip and used for playing voice instructions. The pet anti-lost device and pet anti-lost method provided by the invention have the beneficial effects that the NB-IOT module is low in positioning power consumption, small in size, long in standby time and capable of accurately positioning, the GPS module is high in positioning power consumption, and the pet anti-lost device can be enabled to maintain relatively long working time by sending a control instruction when needed.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

A low-power positioning method based on periodic switch GPS

The invention discloses a low-power consumption positioning method based on a periodical switch GPS. The method comprises steps of (1) acquiring real-time three-dimensional acceleration speed projection information, and acquiring a positioning point of the current moment according to previous position point and the real-time three-dimensional acceleration speed projection information; (2) matching the positioning point to a proper road by use of the map matching method so as to obtain a matched positioning point; (3) judging whether a GPS positioning period is reached, if not, updating the GPS positioning period, and returning to the step (1) to continuously carry out positioning calculation, and if yes, open the GPS and entering the step (4); and (4) judging whether the GPS positioning is available, if yes, reading the position of the GPS and using the position as an initial positioning point and then returning to the step (1) to continuously carry out positioning calculation, and if not, returning to the step (1) to continuously carry out positioning calculation. According to the invention, by periodically starting the positioning function of the GPS, combining the positioning calculation of an accelerometer, and combining the map matching method to carry out road matching, it can be ensured that power consumption is reduced under the premise of ensuring the precision.
Owner:北京假日阳光环球旅行社有限公司

A positioning method and system for an intelligent terminal

The invention provides an intelligent terminal positioning method and system and relates to the technical field of mobile positioning. The intelligent terminal positioning method comprises the steps that the accelerated speeds of an intelligent terminal at different times are acquired, and a curve of the relation between the accelerated speeds and the times is generated; the motion state and the displacement of the intelligent terminal are obtained according to the curve of the relation between the accelerated speeds and the times; a positioning mode is selected according to the motion state and the displacement of the intelligent terminal, and positioning is conducted in the selected positioning mode, wherein positioning modes include the base station positioning mode, the intelligent positioning mode and the GPS positioning mode. According to the intelligent terminal positioning method and system, the three positioning modes are set, the positioning modes can be switched automatically by the intelligent terminal according to the motion state and the displacement of the intelligent terminal, positioning power consumption is reduced on the premise that the positioning precision is guaranteed, and the requirements of people for positioning precision and positioning power consumption are met.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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