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

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.

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.

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.

The embodiment of the present application provides a positioning update method and device, and a storage medium, the method including: when the current position information is determined, collecting the current moving speed, and determining the current position change cycle according to the preset position change distance and the current moving speed ; Determine the target position update period according to the preset position update period and the current position change period; when the target position update period is reached, update the current position information.

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.

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.