| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 342357420 |
Providing aiding data (IPC)
| 82 |
| 342357470 |
Providing dedicated supplementary positioning signals (IPC)
| 39 |
| 342357440 |
Providing data for correcting measured positioning data; e.g., DGPS [differential GPS] or ionosphere corrections (IPC)
| 26 |
| 342357460 |
Providing processing capability normally carried out by the receiver (IPC)
| 10 |
| 342357450 |
Providing integrity information; e.g., health of satellites or quality of ephemeris data (IPC)
| 6 |
| 342357410 |
Providing carrier phase data (IPC) | 4 |
| 20140062776 | Ambiguity Windowing in Communications Among Global Navigation System Satellite Receivers - A method of communicating corrections for information related to satellite signals among global navigation satellite system (GNSS) receivers is described. The method includes at a first GNSS device determining a component of position of a satellite. The component is then divided by a first value to thereby obtain an integer value and a remainder value, and the only the remainder value is transmitted from the first GNSS device to the second GNSS device. Knowing the first value, the second GNSS device calculates the component of position. | 03-06-2014 |
| 20150293230 | GROUND-BASED SYSTEM AND METHOD TO EXTEND THE DETECTION OF EXCESSIVE DELAY GRADIENTS USING DUAL PROCESSING - A processing module to monitor a horizontal delay gradient in satellite signals is provided. The processing module includes a dual-processing-satellite-differencing module, a double differencing module, and a gradient estimator module. The dual-processing-satellite-differencing module is operable to: receive carrier phase measurements for at least two satellites from at least two reference receivers; implement a first processing mode to normalize first satellite differences between +λ/2 and −λ/2; implement a second processing mode configured to normalize second satellite differences between 0 and λ; and select for further processing one of: data indicative of the first satellite differences processed according to the first processing mode; and data indicative of the second satellite differences processed according to the second processing mode. The double differencing module forms double-differences based on the selected data input from the dual-processing-satellite-differencing module. The gradient estimator module estimates a magnitude of the horizontal delay gradient. | 10-15-2015 |
| 20150293231 | GROUND-BASED SYSTEM AND METHOD TO EXTEND THE DETECTION OF EXCESSIVE DELAY GRADIENTS USING PARITY CORRECTIONS - A processing function to monitor a horizontal delay gradient in satellite signals is provided. The processing function includes a satellite differencing module, a double differencing module, a parity test module, and a gradient estimator module. The satellite differencing module receives carrier phase measurements for at least two satellites from at least three reference receivers. The satellite differencing module determines differences in the carrier phase measurements between signals from the monitored satellite and at least one of the at least one other satellite. The double differencing module: forms double-differences between pairs of the reference receivers; compensates the double-differences between the pairs; performs a modulo operation; and averages the double differences. The parity test module inputs the averaged compensated double differences when the average exceeds a parity enable threshold. The gradient estimator module configured is to estimate a magnitude of the horizontal delay gradient. | 10-15-2015 |
| 20160154107 | GNSS REFERENCE FOR SUBSCRIBED PRECISIONS | 06-02-2016 |
| Entries |
| Document | Title | Date |
|---|
| 20100265127 | METHOD AND APPARATUS FOR MANAGING TIME IN A SATELLITE POSITIONING SYSTEM - A method, apparatus and system for time management in a position-location system is described. The method may include (i) obtaining, at a global-navigation-satellite-system receiver while being served by a first node of a wireless network a first time base, a relative-time difference, and a third time base; and forming a time relation as a function of the first time base, relative-time difference (“RTD”) and third time base. The first time base is associated with the first node, and may be, for example, a time base associated with an air interface for communicating with the first node. The RTD may be a difference between the first time base and a second time base associated with a second node of the wireless network. The third time base is associated with a constellation of satellites, and may be, for example, an absolute time associated with the constellation of satellites. The method may include using knowledge of a GNSS time to enhance sensitivity or time to first position of a GNSS receiver. | 10-21-2010 |
| 20100302095 | SYSTEM FOR SHARING GPS PROTOCOL DATA AND METHOD THEREOF - A system for sharing GPS protocol data is described. In the system, raw GPS protocol data from a satellite is obtained by a GPS receiver. A GPS protocol data server is connected to the GPS receiver through a physical serial port, so as to obtain the GPS protocol data. A service application program is execute on the GPS protocol data server, and provides a service of resolving the GPS protocol data or converting the format thereof through a TCP/IP based multi-thread communication procedure. A virtual serial port driver is used to generate a plurality of virtual serial ports, and each virtual serial port communicates with the service application program through the TCP/IP protocol. Therefore, application devices or application programs respectively communicates with the service application program through the virtual serial ports, thereby obtaining the service of parsing the GPS protocol data provided by the service application program. | 12-02-2010 |
| 20110006945 | COMMUNICATION DEVICE, COMMUNICATION METHOD, PROGRAM AND COMMUNICATION SYSTEM - A communication device is provided which includes a positioning information receiving portion that receives positioning information, by wireless signal, from another communication device, the positioning information including first satellite orbit information that indicates respective orbits of a specific number of satellites and position information that indicates a position of the other communication device, an initialization processing portion that performs initialization processing that specifies, based on the positioning information received by the positioning information receiving portion, from among the specific number of satellites, a plurality of satellites transmitting satellite signals that can be received by the communication device. | 01-13-2011 |
| 20110012779 | METHOD AND SYSTEM FOR A VIRTUAL WIDE AREA GNSS REFERENCE NETWORK - A GNSS enabled mobile device receives GNSS assistance data in a determined format from a central processing station communicatively coupled to a wide area reference network (WARN). The WARN comprises a first plurality of GNSS tracking stations from which usable signals are received by the central processing station, and a second plurality of GNSS tracking stations from which unusable or no signals are received by the central processing station. The central processing station generates the GNSS assistance data using a complete set of GNSS reference feeds of the WARN. The complete set of GNSS reference feeds comprises actual GNSS reference feeds from the first plurality of GNSS tracking stations and virtual GNSS reference feeds derived for the second plurality of GNSS tracking stations from processed actual GNSS reference feeds. The generated GNSS assistance data is reformatted into a determined format and is communicated to the GNSS enabled mobile device, accordingly. | 01-20-2011 |
| 20110018759 | COUPLED GPS PHONE AND NAVIGATION SYSTEM - A navigation system includes a Global Positioning System (GPS) enabled wireless phone and a GPS navigation system. The GPS enabled wireless phone includes a GPS receiver, a communications interface, and processing circuitry coupled to the GPS receiver and to the communications interface. The GPS navigation system includes a GPS receiver, a communications interface operable to communicatively couple to the communications interface of the GPS enabled wireless phone, and processing circuitry coupled to the GPS receiver and to the communications interface. The processing circuitry of the GPS navigation system is operable to establish device pairing with the GPS enabled wireless phone and to exchange GPS information and other information with the GPS enabled wireless phone via the secure link. | 01-27-2011 |
| 20110068974 | Inline GPS Receiver Module - Devices and methods are disclosed which relate to a mountable, inline global navigation satellite system receiver module with a standard interface to mobile computing devices and a connection to external antennae. In addition to allowing for data transfer from the receiver module to the mobile computing device, the standard interface is a conduit to power the receiver module and, in some embodiments, the external antennae. Further, a system is disclosed that determines the position coordinates of a mobile computing device via a mountable, inline global navigation satellite system receiver module in communication with the mobile computing device. | 03-24-2011 |
| 20110254730 | AGPS SERVER WITH SBAS AIDING INFORMATION FOR SATELLITE BASED RECEIVERS - A satellite navigation system assistance server is configured to reply to client requests that include an indication of the client's location, and if an accurate location is included in the server request, the satellite navigation system assistance server computes which particular SBAS systems are observable to the requesting client, and in this case the satellite navigation system assistance server limits its replies to pertinent information for a more compact response message. | 10-20-2011 |
| 20120032841 | Arrangement With Means for Ensuring Bona Fide of Received Signals - An arrangement including a receiver that receives a plurality of signals from different source that are modulated with a common carrier, where each signal of the signals experiences a transit delay and Doppler frequency shift before reaching the receiver. The receiver includes means, such as a directional antenna, to ensure that the received signals are bona fide, or at least not subject to the same bogus signal or signals to which a second receiver may be subjected. The arrangement further includes means for processing a signal derived from the signals received by the receiver with signals provided by a supplicant module to reach a conclusion about the bona fide of the signals provided by the supplicant module. | 02-09-2012 |
| 20120235860 | Automatic GPS tracking system with passive or active battery circuitry - An automatic GPS tracking system consists of a GPS tracking unit secured to a person or an asset that includes a GPS receiver and a first battery powering a processor and first RF transceiver. A home base station receives the RF signal within a pre-selected proximity. A monitoring station which is in communication with the GPS tracking unit such that, if a person or asset having the tracking system secured thereon moves beyond the pre-selected proximity from a home base unit, the first transceiver RF communication signals is lost, and the processor activates an alerting device to indicate the GPS tracking unit is beyond the limited range of the home base station unit. When a second confirmation signal is not received from the home base station unit, a second battery is activated to power GPS receiver and the cellular modem to track the person or asset. | 09-20-2012 |
| 20140085135 | Balloon-Based Positioning System and Method - Disclosed herein are embodiments of a balloon-based positioning system and method. In one example embodiment, a system includes at least three balloons, with each balloon including a position-determining module (PDM) and a position-broadcasting module (PBM). Each PDM is configured for determining a position of the respective balloon and each PBM is configured for broadcasting a balloon signal containing balloon-positioning data of the respective balloon. The balloon-positioning data includes the determined position of the respective balloon and a corresponding time of broadcast. | 03-27-2014 |
| 20140292567 | Arrangement and Method for Position Finding Using a Handset - An arrangement for detecting the position of a handset comprises a vehicle having a positioning signal receiver for receiving signals of the satellites of a positioning system and an electronic processor which, in operation, generates by means of signals received by the positioning signal receiver of the vehicle a local correction signal by means of which the accuracy of a position determined by means of the signals of a positioning signal receiver can be improved. A portable handset is equipped with a positioning signal receiver for receiving signals of the satellites of the positioning system and an electronic processor which, in operation, receives position signals from the positioning signal receiver of the handset, derives from these raw position data of the handset and uses these raw position data for determining the position of the handset. The raw position data of the handset are corrected by means of the local correction signal provided by the processor of the vehicle. | 10-02-2014 |
| 20150070209 | Navigation Based on Locations of OFDM Transmitters - A moving signal receiver determines a plurality of signal receiver positions and corresponding ranges to the moving signal receiver from a first terrestrial transmitter by, while positioned at each of a plurality of distinct positions, determining a position of the moving signal receiver based on signals received from one or more respective sources distinct from the first terrestrial transmitter; and while determining the position of the moving signal receiver, concurrently obtaining a respective range to the moving signal receiver from the first terrestrial transmitter. The moving signal receiver computes a location of the first terrestrial transmitter based on the plurality of signal receiver positions and corresponding ranges. | 03-12-2015 |
| 20150116145 | INTERFERENCE MAP FOR GNSS DEVICE - Systems and methods for aggregating interference data and generating visual representations of the interference data are provided. In one example method, interference data may be received from multiple GNSS receivers positioned at various geographical locations. A request for a visual representation of interference at a location may be received. In response to the request, a visual representation of interference at the requested location may be generated based on at least a portion of the received interference data. The visual representation may include a map overlaid with visual indicators of interference indicating a location and magnitude of the interference. The visual representation of interference at the requested location may then be transmitted to a computing device requesting the representation. | 04-30-2015 |
| 20150369922 | SYSTEM AND METHOD FOR DETERMINING LOCATION OF AN INTERFERING SIGNAL SOURCE - A system and method to determine the location of an interfering signal source within a few meters. Three or more networked GNSS receivers are located at known locations and used to simultaneously collect and time-stamp data samples at L1 and L2. The data samples are passed over the network to a server which identifies samples associated with an interfering signal, cross correlates associated samples from pairs of receivers, and applies a discriminator function to significantly improve the accuracy of a computed time difference of arrival (TDOA) for the interfering signal, thereby significantly improving the accuracy of the location determination. | 12-24-2015 |
| 20150378025 | Multipath Detection for Global Positioning System - A satellite navigation system includes a first Global Navigation Satellite System (GNSS) receiver for determining a first value of a parameter of a GNSS signal and a second GNSS receiver for determining a second value of the parameter of the GNSS signal. The first GNSS receiver is rigidly connected to the second GNSS receiver. The GNSS also includes a processor for comparing the first value of the parameter with the second value of the parameter to detect a multipath of the GNSS signal. | 12-31-2015 |
| 20160061956 | METHOD FOR THE GEOGRAPHICAL SELECTION OF GLOBAL NAVIGATION SATELLITE SYSTEM ELEMENTS - A system to select a type of satellite from a plurality of types of satellites in a multi-constellation of satellites is provided. The system includes at least a first receiver configured to input signals from a first type of satellite and a second receiver configured to input signals from a second type of satellite and a processor. The processor: executes a multi-constellation-selection software module to associate a current position with a mapping feature and select at least one selected type of satellite from the plurality of types of satellites based on the associated mapping feature; executes a compute-position/velocity/time (PVT) software module to compute a current position/velocity/time based on at least one selected input signal input at a receiver associated with the at least one selected type of satellite; and feeds the computed current position/velocity/time to the multi-constellation-selection software module based on the execution of the compute-PVT software module. | 03-03-2016 |
| 20160077210 | TECHNIQUES FOR DETERMINING A SIGNAL SEARCH SPACE FOR A SATELLITE POSITIONING SYSTEM RECEIVER IN A MOBILE DEVICE - Disclosed are methods, devices and systems for determining a signal search space for acquisition of a satellite positioning system (SPS) signal. For example, a signal transmitted by a terrestrial-based transmitting device may be acquired for use, at least in part, to adjust a receiver for acquisition of SPS signals. The terrestrial-based transmitting device may be classified based, at least in part, on a factor obtained from the acquired signal. An SPS signal search space for the receiver may then be based, at least in part, on a frequency uncertainty corresponding to the classification of said transmitting device. | 03-17-2016 |
| 20160097859 | MONITOR BASED AMBIGUITY VERIFICATION FOR ENHANCED GUIDANCE QUALITY - Methods and systems useful in determining relative position of moveable vehicle, for example including a GPS receiver, may include determining candidate integer ambiguities in groups, and performing tests to check usefulness of those candidate integer ambiguities. | 04-07-2016 |
| 20160109567 | HARMONIZING CODE FROM INDEPENDENT AIRBORNE AIRCRAFT IDENTIFICATION SYSTEMS - An Automatic Dependent Surveillance-Broadcast (ADS-B) system, and method of harmonizing a transponder Squawk code and an ADS-B system, ensures that a Squawk code broadcast by the ADS-B system matches the transponder Squawk code. The transponder Squawk code is transmitted from a transponder positioned onboard an aircraft, and the transmitted transponder Squawk code is received by a device positioned onboard the aircraft in which the transponder is installed. The ADS-B system is updated with the received transmitter squawk code. The squawk code is transmitted using the ADS-B system. | 04-21-2016 |
| 20160154085 | Balloon-Based Positioning System and Method | 06-02-2016 |
| 20160170025 | INTEGRATED, EXTERNALLY-MOUNTED ADS-B DEVICE | 06-16-2016 |
