Abstract: Disclosed is an apparatus, system and method for determining a location of a mobile device based on a location of a wireless network node, a distance between the wireless network node and the mobile device, and a bearing from the wireless network node to the mobile device, wherein the bearing is determined based on a directional signal and magnetometer measurements.

Abstract: 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 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 rotation about an imaginary axis between the accelerometers. Output from a third accelerometer may be used to generate the data needed to determine rotation about the imaginary axis. The need for a gyroscope for detecting changes in heading (i.e., yaw or azimuth) may therefore be avoided.

Abstract: A mobile station and unattached work area is used with an electronic pen, which includes a transmitter, such as an acoustic transmitter. The mobile station includes a receiver that receives signals from the transmitter and orientation sensors that detect movement of the mobile station. The position of the receiver is calibrated with respect to the unattached work area. Data from the orientation sensors is received when the mobile station, and thus, the receiver is moved with respect to the work area. A transformation matrix is generated based on the data from the orientation sensors, which can be used to correct for the movement of the receiver. The position of the transmitter in the electronic pen is calculated and mapped based on received signals and the transformation matrix and the mapped position is then displayed.

Abstract: Mobile platforms exchange their positions in a three-dimensional common reference frame based on data from their respective inertial sensors. The mobile platforms establish the common reference frame, e.g., by contacting each other. The position of each mobile platform is updated in its local reference frame and the position is transformed into a position in the common reference frame. The position in the common reference frame may then be transmitted to the other mobile platform, which can then determine the spatial relationship between the mobile platforms based on the received common reference frame position. Either mobile platform may pass the common reference frame to additional mobile platforms by establishing a new reference frame with a new mobile platform, generating a transformation from the new reference frame to the common reference frame and providing the transformation to the new mobile platform.

Abstract: 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.

Abstract: A process and device for uniquely identifying an Internet enabled device with a unique identification. The process can include receiving an identification when an Internet user accesses an Internet resource, and determining position-based information for at least one of an Internet user and an Internet enabled device based on the identification. The identification may be authenticated, to reduce fraud. The identification may further be used to determine whether or not the device is in a particular geographic area of interest.

Abstract: Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon evaluation of changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data need not be obtained until the validity of previous data expires due to limitations upon temporal extrapolation using Doppler coefficients, unless mobile station movement that cannot be compensated is detected, and jeopardizes validity of the previous data.

Abstract: A system, method and apparatus for providing location services whereby location determination and location disclosure are treated as separate and independent processes. Location determination may be performed (as necessary) via a first set of network entities to obtain location information for a mobile station. The location information may be cached for subsequent disclosure to any number of applications. Location disclosure may be performed (when requested) via a second set of network entities to provide the location information. Location determination may utilize a first security procedure for authentication and authorization and to obtain a first session key used for location determination. Location disclosure may utilize a second security procedure for authentication and authorization and to obtain a second session key used for location disclosure. For a roaming mobile station, location determination may be performed via a serving network and location disclosure may be performed via a home network.

Abstract: 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.

Abstract: Operating a communication device in a half-duplex mode using only overhead channels; and substantially free running a timing reference obtained during reception to allow a timing reference value to drift during transmission.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: In an embodiment, a mobile device includes a sensor processor system, an application processor system and a power management controller that controls power being applied to the application processor system. The sensor processor system monitors sensors connected to the mobile device. The sensor processor system detects a pre-defined gestures and an environmental condition or event based on the monitoring. The pre-defined gesture corresponds to one or more actions initiated by a user of the mobile device (e.g., the user jogs with the mobile device, places the mobile device in his/her pocket or backpack, etc.). The sensor processor system selects a power profile to be applied to the application processor system based on the detection, and instructs the power management controller to apply the selected power profile to the application processor system.

Abstract: 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.

Abstract: 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.

Abstract: A repeater is disclosed with position location capability. The repeater includes a position location device for determining the location of the repeater. The position location device uses radio-location signals received independently or by a receiver to determine the location of the repeater. The location of the repeater can be used to update a base station almanac.

Abstract: 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.