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WO/2009/147242A1 |
The invention relates to a method for protecting a radio navigation receiver user against aberrant pseudo-range measurements. The method is characterized in that a measurement error is detected using a statistical estimation procedure ba...
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WO/2009/147258A1 |
A device configured to be worn by a target to be located, a console device for displaying information relating to the position, direction and distance of the target with respect to a person using the console, and a system and a method fo...
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WO/2009/143559A1 |
Disclosed is a method of measuring time of arrival of a signal transmitted from a transmitter (120) to a receiver (110-n). The method comprises: modulating a plurality of narrowband signal portions onto different carrier frequencies; tra...
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WO/2009/145756A1 |
Methods of operating a satellite navigation system (SNS) receiver in a portable electronic device according to some embodiments include determining the presence or absence of a low frequency signal associated with power distribution line...
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WO/2009/146293A1 |
Methods and apparatus are provided for use in devices adapted to receive signals from at least one satellite positioning system (SPS). As part of at least one search for a transmission from a space vehicle (SV) associated with the SPS, t...
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WO/2009/146350A1 |
Systems and methods according to one or more embodiments are provided for obtaining a precise absolute time using a satellite system. The precise absolute time may be used, for example, as an aid for positioning systems including navigat...
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WO/2009/142729A1 |
Embodiments of a global navigation satellite system (GNSS) receiver and method for navigation are generally described herein. In some embodiments, the GNSS receiver includes signal processing circuitry to systematically identify clear ch...
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WO/2009/143225A2 |
Methods, apparatuses and/or systems are provided for selectively initiating a first mode location determination process using a location determining device if an item is not substantially stationary, and selectively initiating at least a...
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WO/2009/142943A2 |
The subject matter disclosed herein relates to a hierarchal base station almanac received at a mobile station.
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WO/2009/141453A1 |
The system for receiving a radio navigation signal, in particular in a jammed environment, emitted by a satellite of a satellite positioning system, comprises: at least one first multi-correlator (MC1) and at least one second multi-corre...
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WO/2009/142981A1 |
A method and apparatus that reduces the number of possible time alignment possibilities to simplify the satellite positioning system time-ambiguity resolution problem is disclosed. The method may include receiving a first signal (160) fr...
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WO/2009/142883A1 |
The method uses a location device and a timing element to determine the location of a protection device at various periods of time. During these periods of time, the human may be participating in a variety of activities and positions.
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WO/2009/140168A2 |
A position location system, apparatus, and method are disclosed. A wireless device includes a satellite positioning system (SPS) receiver and position location processor. The SPS receiver detects the availability of positioning signals a...
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WO/2009/138555A1 |
A method for obtaining a service by a first terminal related to a network entity,the method comprising receiving information indicative of capabilities related to the network entity; and selecting one or more of the capabilities.
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WO/2009/138662A1 |
The invention relates to a positioning system having at least one underwater apparatus, said underwater apparatus comprising an acoustic receiver and a computer, said system comprising a base station placed in the sea environment, said b...
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WO/2009/137336A1 |
A mobile receiver having a coherent integration time (CIT) that can be adaptively lengthened and shortened. The coherent integration time is based on determining whether information is already known regarding a received satellite signal....
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WO/2009/135191A1 |
A platform for providing location-based services is disclosed. A location data collection client running on a mobile device periodically obtains data allowing determination of the geographic location of the mobile device (e.g., GPS, cell...
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WO/2009/133400A1 |
An apparatus and method for determining the location of an rf source (20) are described. An rf signal from the rf source (20) is received at a plurality of receivers (10), the receivers (10) being located apart from one another such as i...
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WO/2009/130557A1 |
Location information is provided with an authenticator in order to enable future providing of an authentication to a service or application making use of the location information. The authenticator is based on a cryptographic method know...
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WO/2009/130121A1 |
For supporting the use of virtual reference stations, an apparatus may receive a request to provide virtual measurements on beacon signals that are valid for a virtual reference station, the request including an indication of a desired l...
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WO/2009/130304A1 |
A method is provided of synchronising a receiver with a signal transmitted by a remote transmitter on-board a satellite. The signal comprises the repeated transmission of time data defining the transmission time and orbit data relating t...
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WO/2009/130570A2 |
In a case in which three or more movable objects (A, B, C), each of those detecting the relative position with respect to another movable object, are able to communicate with each other: a reference (A) movable object obtains observation...
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WO/2009/130305A1 |
A method is provided of calculating the position of a receiver with respect to a transmitter on-board each of at least four satellites. The method comprises synchronising a receiver time of the receiver with a transmission time of a firs...
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WO/2009/129844A1 |
For supporting the use of positioning assistance data, a positioning assistance server collects positioning assistance data from at least one mobile device and Provides the collected positioning assistance data for distribution to at lea...
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WO/2009/132252A1 |
A method for receiving data using a GPS receiver having the steps of: (a) receiving a data signal transmitted at a non-GPS frequency; (b) converting the data signal to a first intermediate frequency signal that is compatible with the GPS...
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WO/2009/129346A2 |
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-tim...
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WO/2009/129507A2 |
The subject matter disclosed herein relates to a system and method for reducing an initial position uncertainty of a mobile station. In one example, although claimed subject matter is not so limited, a process to improve an initial posit...
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WO/2009/127242A1 |
For supporting the use of positioning assistance data, the positioning assistance data is broadcast in a plurality of different logical sub-channels. The positioning assistance data is distributed to the plurality of different logical su...
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WO/2009/125011A1 |
A method for vector phase tracking a plurality of global positioning satellite carrier signals is disclosed, in which for a tracked satellite a discriminator (25) is generating phase tracking error signals at different frequencies associ...
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WO/2009/126610A1 |
The subject matter disclosed herein relates to a system and method for obtaining time references for signals received from transmitters in a satellite and/or terrestrial navigation system. A first time reference associated with a first s...
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WO/2009/124283A2 |
A method and apparatus of a mobile subscriber (MS) estimating position are disclosed. One method includes the MS receiving at least one satellite transmitted signal with a first receiver, and estimating a time of arrival of the at least ...
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WO/2009/118043A1 |
A method for determining the pose of a vehicle, in particular a robotized vehicle, which comprises the following steps: to correct at least one position information which is provided by at least one remote device through a comparison wit...
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WO/2009/115498A1 |
The invention relates to a network for calculating and providing ionosphere correction for the users of a navigation system, characterised in that the network also comprises: an aeronautical segment (200) including an aeronautical user s...
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WO/2009/115128A1 |
Disclosed herein is a Satellite Based Augmentation System (SBAS) receiver (81). The SBAS receiver (81)is configured to receive SBAS messages containing augmentation data and to provide one or more served GPS receivers (85) with augmentat...
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WO/2009/117571A2 |
A locator includes a base unit and a handheld unit. The base unit, which is typically stationary, includes an FSK transceiver and printed circuit antennas. The handheld unit, which is typically mobile, also includes an FSK transceiver an...
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WO/2009/115130A1 |
A method of estimating a position of a satellite receiver (2), comprising computing a weight matrix, and computing an estimated position of the satellite receiver based on the weight matrix, wherein computing the weight matrix includes c...
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WO/2008/088257A9 |
The invention is directed towards a method of estimating the load on a cell in a wireless network as well as to a cell load estimating device. According to the invention a 5 determination (46) is made of a value (R) indicative of the deg...
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WO/2009/115676A2 |
According to the invention, the system comprises: at least three position beacons (3) arranged about said location (2) and emitting in the long-wave range, and an apparatus associated with the user (1) and including means for receiving, ...
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WO/2009/113755A1 |
Provided is a monitoring system using an unmanned air vehicle communicated based on a WiMAX communication scheme. The monitoring system includes an air vehicle and a relay unit. The air vehicle includes a photographing unit for capturing...
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WO/2009/112483A1 |
The invention relates to a calculation device that provides a means for estimating an integrity indication (11) of a satellite navigation system, characterised in that said device comprises means for estimating in real-time, by measuring...
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WO/2009/112088A1 |
A system for presenting recorded data comprising an electronic device and a database connectable to the electronic device over a communications network, wherein the electronic device comprises a recording unit arranged to record data fro...
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WO/2009/114158A2 |
The invention provides systems, methods, and computer program products for the display of product information in or about a store. In particular, systems and methods are provided that use information from an in-store communication networ...
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WO/2009/110948A1 |
Methods and apparatus for improving position location performance, especially in weak coverage areas, are described herein. A SPS receiver is able to solve for position location in situations where at least two satellite signals can be r...
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WO/2009/111127A2 |
Among other disclosed subject matter, a method includes detecting that a location is to be determined. The method includes selecting at least one among multiple location determination techniques based on a selection criterion. The method...
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WO/2009/107894A1 |
There is provided an effective algorithm for localizing an object using multiple visual images that are obtained from the widely used digital imaging devices. We propose parallel projection model supporting both zooming and panning of th...
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WO/2009/108581A2 |
A wireless device including a transceiver that utilizes a power supply is described. The wireless device includes a Global Positioning System ('GPS') section having a plurality of GPS subsystems and a power controller in signal communica...
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WO/2009/107895A1 |
There is provided a method of tracking an object in a three-dimensional (3-D) space by using particle filter-based acoustic sensors. Instead of directly extending a particle filtering algorithm for bearings-only tracking to a 3-D space, ...
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WO/2009/108512A1 |
A method and apparatus for accessing a device via an adaptive challenge is provided herein. During operation, the challenging device will determine a user's context. The challenge used to access the system (111) will be adapted to the us...
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WO/2009/108150A1 |
A method for determining location such as vehicle location receives data at a predetermined frequency, validates the received data, stores the received data based on the validation and computes a location based on the stored data. The va...
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WO/2009/103570A1 |
A method of processing received satellite radio signals is disclosed in which signals are received the signals from plural satellites through a common antenna. The received signals are digitised to produce a time-series of digitised sign...
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