| Patent application number | Description | Published |
|---|
| 20080234935 | MULTI-SENSOR DATA COLLECTION and/or PROCESSING - The subject matter disclosed herein relates to the control and utilization of multiple sensors within a device. For an example, motion of a device may be detected in response to receipt of a signal from a first sensor disposed in the device, and a power state of a second sensor also disposed in the device may be changed in response to detected motion. | 09-25-2008 |
| 20090053993 | REPEATER WITH POSITIONING CAPABILITIES - This disclosure is directed to a repeater ( | 02-26-2009 |
| 20090055048 | METHOD OF OBTAINING MEASUREMENT DATA USING A SENSOR APPLICATION INTERFACE - A method involves, via a sensor application interface, 1) receiving, from an application, a measurement request associated with a quality-of-service control; 2) in accord with the quality-of-service control, obtaining measurement data from a sensor; and 3) returning to the application i) the measurement data obtained from the sensor, and ii) an indicator of accuracy of the measurement data. | 02-26-2009 |
| 20090160704 | NAVIGATION RECEIVER - The subject matter disclosed herein relates to a system and method for processing navigation signals received from multiple global navigation satellite systems (GNSS′). In a particular implementation, signals received from multiple GNSS′ may be processed in a single receiver channel. | 06-25-2009 |
| 20090235743 | SENSOR-BASED ORIENTATION SYSTEM - A method for measuring positional changes of an object, including rotation about any or all of three axes, using linear accelerometers. There is disclosed a method of using a linear accelerometer to integrate two other 3D linear accelerometers in order to measure and supply for further use six-dimensional information, that is, translation in three dimensions and rotation about three axes. Two linear accelerometer sensors are used to determine all but one of the variables in the six degrees of freedom. Output from a third accelerometer generates the data need to determine a sixth, rotational, degree of freedom. The need for a gyroscope for detecting changes in heading (i.e., yaw or azimuth) may therefore be avoided. | 09-24-2009 |
| 20090259865 | Power Management Using At Least One Of A Special Purpose Processor And Motion Sensing - A power management device useable in a mobile station includes a main processor configured to execute applications including signal processing applications and further configured to enter a sleep mode in response to predetermined criteria. The device further includes a circuit configured to operate when the main processor is in the sleep mode comprising at least one of a low power processor and a sensor to monitor at least one of signals, commands, inputs, and changes in environment, the circuit waking up the main processor responsive to one of the low power processor and the sensor. The device may operate a method and may execute instructions based on a machine readable medium. | 10-15-2009 |
| 20090286504 | METHOD AND APPARATUS FOR COMMUNICATING EMERGENCY INFORMATION USING WIRELESS DEVICES - A method and apparatus for providing emergency notification by a wireless mobile device in response to triggering a sensor. A detection system, which may be located within a vehicle, comprises one or more sensors configured to sense an emergency event and transmit a message via a wireless link regarding the emergency event. For example, the wireless mobile device may be programmed to call a predetermined emergency number such as E911, and transmit data including position and other information from the mobile device to the emergency number in response to the received message. | 11-19-2009 |
| 20090295630 | METHOD AND APPARATUS FOR POSITION DETERMINATION WITH EXTENDED SPS ORBIT INFORMATION - A method and system for assisting mobile stations to locate a satellite use an efficient messaging format. A server computes a correction between coarse orbit data of a satellite and precise orbit data of the satellite. A coordinate system is chosen such that variation of the correction is substantially smooth over time. The server further approximates the correction with mathematical functions to reduce the number of bits necessary for transmission to a mobile station. The mobile station, upon receiving the coefficients, evaluates the mathematical functions using the coefficients and a time of applicability (e.g., the current time), converts the evaluated result to a standard coordinate system, and applies the conversion result to the coarse orbit data to obtain the precise orbit data. | 12-03-2009 |
| 20090298422 | Calibration Using Noise Power - A method calibrates a spread spectrum receiver having a received signal strength below a noise floor. The method includes estimating an input noise power, and measuring a noise power output from the receiver. The method also includes comparing the estimated input noise power with the measured output noise power to determine at least one calibration value. The method further includes calibrating the receiver based upon the at least one calibration value. | 12-03-2009 |
| 20090310593 | SELF-POSITIONING ACCESS POINTS - A system, method and apparatus are provided which relate to calibrating a wireless access point so as to allow proper synchronization of mobile wireless devices connecting to the wireless access point. A closed-loop filter is used to more accurately synchronize times and to more accurately determine the location of the access point for purposes of determining the position of a mobile station. | 12-17-2009 |
| 20090315772 | METHOD AND APPARATUS FOR POSITION DETERMINATION WITH EXTENDED SPS ORBIT INFORMATION - A method and system for assisting mobile stations to locate a satellite use an efficient messaging format. A server computes a correction between coarse orbit data of a satellite and precise orbit data of the satellite. A coordinate system is chosen such that variation of the correction is substantially smooth over time. The server further approximates the correction with mathematical functions to reduce the number of bits necessary for transmission to a mobile station. The mobile station, upon receiving the coefficients, evaluates the mathematical functions using the coefficients and a time of applicability (e.g., the current time), converts the evaluated result to a standard coordinate system, and applies the conversion result to the coarse orbit data to obtain the precise orbit data. | 12-24-2009 |
| 20100081458 | Mobile Terminal Motion Detection Methods and Systems - Methods and systems are provided for allowing possible motion or lack of motion of a mobile terminal to be detected based, at least in part, on at least one wireless signal. For example, according to one method a mobile terminal may be configured to operate in a first wireless communication system and the method may include detecting motion or lack of motion of the mobile terminal based, at least in part, on at least one wireless signal from at least one terrestrial-based second wireless communication system, and in response to detecting the motion or lack of motion, initiating or stopping at least one process within the mobile terminal. | 04-01-2010 |
| 20100088061 | GENERATING VIRTUAL BUTTONS USING MOTION SENSORS - An implementation of a system and method for using sensors such as one or more gyroscopes and/or accelerometers to sense input is provided. For example, one or more of such sensors may be use to provide virtual buttons at various areas on the housing of a mobile device, detect a force against the housing, or to detect relative movement of the mobile device. | 04-08-2010 |
| 20100097996 | BASE STATION ALMANAC ASSISTED POSITIONING - A database provides base station almanac information pertaining to more than one network mode of communication. A wireless device accesses this database through a centralized server or network, or via the base station, base station controller or the like, with which it is currently communicating. | 04-22-2010 |
| 20100136957 | METHOD AND APPARATUS FOR DETERMINING A USER INPUT FROM INERTIAL SENSORS - A system and method for determining a user input based on movements of a mobile device. In a particular implementation, angular movement of the mobile device about at least one axis of a linear plane is detected. Linear movement of the mobile device along at least one axis of the linear plane is also detected. Finally, a user input is determined based on the detection of the angular movement and the detection of the linear movement. | 06-03-2010 |
| 20100173647 | POSITION DETERMINATION FOR A WIRELESS TERMINAL IN A HYBRID POSITION DETERMINATION SYSTEM - Techniques to determine a position estimate for a wireless terminal. An accurate position estimate for the terminal is initially obtained (e.g., based on a first (accurate) position determination sub-system). For each of one or more transmitters (e.g., base stations) in a second (less accurate) position determination sub-system, an “expected” pseudo-range is computed based on the accurate position estimate for the terminal and the base station location, a “measured” pseudo-range is also obtained, and a pseudo-range residual is then determined based on the expected pseudo-range and the measured pseudo-range. Thereafter, to determine an updated position estimate for the terminal, measured pseudo-ranges are obtained for a sufficient number of transmitters. The measured pseudo-range for each base station may be corrected based on the associated residual. The updated position estimate is then determined based on the corrected pseudo-ranges for these transmitters. | 07-08-2010 |
| 20100194634 | METHOD AND APPARATUS FOR POSITION DETERMINATION WITH HYBRID SPS ORBIT DATA - A method and system for a mobile station to determine its position (or velocity) and time using a hybrid combination of satellite orbit data. In one aspect, the mobile station combines predicted orbit data from one satellite and real-time orbit data from another satellite in the determination of a fix. The combination can be made to the satellites in the same or different satellite systems. The mobile station can use the real-time orbit data of a satellite at one time period and the predicted orbit data of the same satellite at another time period. In another aspect, the mobile station can use the real-time orbit data to correct the clock bias in the predicted orbit data. The correction to the clock bias can be made to the same satellite that provides the real-time orbit data, or to a different satellite in the same or in another satellite system. | 08-05-2010 |
| 20100203899 | Method And Apparatus For Improving Radio Location Accuracy With Measurements - A method and apparatus to utilize a set of measurements (either partial or compete) to improve the accuracy of an initial position estimate for a wireless terminal. The initial position estimate for the terminal is first obtained (e.g., based on a cell-ID or an enhanced cell-ID solution). Measurements are obtained for the terminal. The initial position estimate is then updated with the measurements to obtain a revised position estimate for the terminal. The updating may be performed by (1) deriving a measurement vector based on the initial position estimate and the measurements, (2) forming an observation matrix for the measurements, (3) determining a matrix of weights, (4) deriving a correction vector based on the measurement vector, the observation matrix, and the weight matrix, and (5) updating the initial position estimate with the correction vector. | 08-12-2010 |
| 20100248662 | ALTITUDE-DEPENDENT POWER MANAGEMENT - The subject matter disclosed herein relates to changing at least one power state of a mobile station at least in part in response to information indicating a change in altitude from one or more sensors. | 09-30-2010 |
| 20100302028 | POWER MANAGEMENT OF SENSORS WITHIN A MOBILE DEVICE - Apparatuses and methods are provided for managing power consumption of a plurality of sensors within a mobile device. A method may include receiving a request from a sensor client regarding a sensor, determining whether the sensor client requested registration/deregistration, controlling a power supply and an operational mode of the sensor, based upon the registration/deregistration request, for reducing power consumption of the sensor, determining whether the sensor client provided a start/stop request for data from the sensor, and controlling power to the sensor, a device/driver configuration, and an operational mode of the sensor, based upon the start/stop request for data, for reducing the power consumption of the sensor. An apparatus may include a processor, a power supply coupled to the processor, a sensor coupled to the power supply, and a memory coupled to the processor, wherein the memory comprises instructions for causing the processor to execute the aforementioned method. | 12-02-2010 |
| 20100304761 | SENSOR USES IN COMMUNICATION SYSTEMS - Methods and apparatus are directed to mobile devices utilizing motion and/or position sensors for improving operating performance and/or power efficiency. In one example, a method for reducing power consumption in a mobile device includes receiving movement information, establishing movement data based on the movement information, determining if the mobile device is stationary using the movement data; and reducing the frequency of searching for a base station when the mobile device is stationary. In another example, a mobile device which reduces power consumption based upon movement data includes an RF front end, a receiver coupled to the RF front end, a data demodulator coupled to the receiver, a searcher, coupled to the RF front end and the receiver, which searches for base stations, and a processing unit coupled to the searcher, wherein the processing unit controls the searcher based upon the stationarity of the mobile device. | 12-02-2010 |
| 20100330940 | SENSOR-AIDED WIRELESS COMBINING - An apparatus and method are disclosed for achieving receiver diversity. A wireless unit includes a plurality of antennas, an antenna selector to select one or more antennas from the plurality of antennas, a processor with input data from an inertial sensor for monitoring the orientation of the wireless unit. Based on the input data, the processor commands the antenna selector to select one or more antennas. In some embodiments, the processor is a diversity processor. Based on the input data from the inertial sensor, the diversity processor computes the combination of the received signals. In another aspect, the wireless unit further includes a baseband processor to process the output of the diversity processor for a particular unit application. | 12-30-2010 |
| 20100331010 | Trajectory-Based Location Determination - The subject matter disclosed herein relates to determining a location of a mobile device using an estimated trajectory of motion of the mobile device, and in particular, using a comparison of the estimated trajectory with one or more predetermined candidate trajectories. | 12-30-2010 |
| 20110021208 | WATERMARKING ANTENNA BEAMS FOR POSITION DETERMINATION - An antenna array may stagger the signal of one or more beams within a single base station sector. The time-delayed beams may have a watermark within the signal they are carrying. The receiving unit then may identify the beam as a time-delayed beam and compensate for the delay using stored data. The receiving unit may transmit the beam identification information to the base station and receive the time delay data. | 01-27-2011 |
