Gao Shu an Fu (Hangzhou) Technology

Jingxi Li

Chenyu Wang

Marlene Wan

Methods, systems and apparatuses for of estimating a plurality of locations of an object are disclosed. One method includes receiving wireless signals from a plurality of base stations of a first network, sensing, by the tracking device, motion of the object, sampling, by the tracking device, the received wireless signals at least three times in response to the sensing motion of the object, downloading to the tracking device, characterizations of the wireless signals along a same route of transit, and estimating the plurality of locations of the tracking device based on signal characteristic of the samples of the received wireless signals received from the plurality of plurality of base stations, the information of the plurality of base stations, and predetermined knowledge of a transportation mode that is transporting the object including the characterizations of the wireless signal.

Location tracking device configured for low-power operation

Methods, systems and apparatuses for adaptively controlling a tradeoff between computational accuracy and power consumption of a mobile device are disclosed. One method includes receiving a set of predetermined tasks of a subject or a device associated with the mobile device, selectively activating a plurality sensors of the mobile device based on the set of predetermined tasks, estimating, by one or more sensors of the selectively activated plurality of sensors of the mobile device, a location of the mobile device, sensing, by the plurality of selectively activated sensors, sensed information of the mobile device, and selecting a condition of the subject or the device based on the estimated location, the set of predetermined tasks, and the sensed information of the plurality of selectively activated sensors.

Adaptively controlling a tradeoff between computational accuracy and power consumption of a mobile device that operates to select a condition of a subject or device

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Mountain View, CA, United States of America

Jingxi Li