NEXTNAV, LLC Patent applications |
Patent application number | Title | Published |
20150281899 | SYSTEMS AND METHODS PROVIDING TRANSMIT DIVERSITY TO COMBAT MULTIPATH EFFECTS IN POSITION ESTIMATION - Described are systems and methods for estimating a position of receiver using sets of two or more transmitters that share one or more common characteristics with each other. Features may relate to estimating the position of the receiver using signals that were each concurrently transmitted from a different transmitter in a set of co-located transmitters. | 10-01-2015 |
20150071440 | SYSTEMS AND METHODS FOR PROVIDING CONDITIONAL ACCESS TO TRANSMITTED INFORMATION - This disclosure relates to systems, methods, computer program products, and means that control access to position information at a receiver, or at another device external to the receiver, based on various considerations, including a requested service type, a user type, a device type, a software application type, a payment, and/or other characteristics associated with a particular software application or distributor of that software application. The disclosure further relates to systems, methods, computer program products and means for carrying out secure data transmissions intended for a particular application among other applications. | 03-12-2015 |
20150061931 | METHODS AND SYSTEMS FOR PSEUDO-RANDOM CODING IN A WIDE AREA POSITIONING SYSTEM - Devices, systems, and methods for improving performance in positioning systems are disclosed. Signal processing methods are described for selecting certain spreading codes having desired auto and/or cross-correlation properties and generating, transmitting, and receiving signals generated using the selected codes. | 03-05-2015 |
20140368381 | WIDE AREA POSITIONING SYSTEM - Systems and methods are described for determining position of a receiver. The positioning system comprises a transmitter network including transmitters that broadcast positioning signals. The positioning system comprises a remote receiver that acquires and tracks the positioning signals and/or satellite signals. The satellite signals are signals of a satellite-based positioning system. A first mode of the remote receiver uses terminal-based positioning in which the remote receiver computes a position using the positioning signals and/or the satellite signals. The positioning system comprises a server coupled to the remote receiver. A second operating mode of the remote receiver comprises network-based positioning in which the server computes a position of the remote receiver from the positioning signals and/or satellite signals, where the remote receiver receives and transfers to the server the positioning signals and/or satellite signals. | 12-18-2014 |
20140292580 | WIDE AREA POSITIONING SYSTEM - Systems and methods are described for determining position of a receiver. The positioning system comprises a transmitter network including transmitters that broadcast positioning signals. The positioning system comprises a remote receiver that acquires and tracks the positioning signals and/or satellite signals. The satellite signals are signals of a satellite-based positioning system. A first mode of the remote receiver uses terminal-based positioning in which the remote receiver computes a position using the positioning signals and/or the satellite signals. The positioning system comprises a server coupled to the remote receiver. A second operating mode of the remote receiver comprises network-based positioning in which the server computes a position of the remote receiver from the positioning signals and/or satellite signals, where the remote receiver receives and transfers to the server the positioning signals and/or satellite signals. | 10-02-2014 |
20140274151 | Systems and Methods for Using Three-Dimensional Location Information to improve Location Services - Described are systems and methods for acquiring three-dimensional location information. Also described are systems and methods for using the acquired three-dimension location information to locate users and enhance their experience in relation to location-based services. | 09-18-2014 |
20140274126 | SYSTEMS AND METHODS PROVIDING TRANSMIT DIVERSITY TO COMBAT MULTIPATH EFFECTS IN POSITION ESTIMATION - Described are systems and methods for estimating a position of receiver using co-located transmitters. | 09-18-2014 |
20140274125 | PERFORMANCE ENHANCEMENTS FOR LOCAL NETWORK OF BEACONS - Described are systems and methods for estimating a position of a receiver within a venue using localized networks of beacons. Certain aspects relate to different configurations of the networks. Other aspects relate to estimating the position of the receiver when the receiver approaches an edge of a localized network of beacon. | 09-18-2014 |
20140266915 | TECHNIQUES TO IMPROVE THE PERFORMANCE OF A FIXED, TIMING-BASED RADIO POSITIONING NETWORK USING EXTERNAL ASSISTANCE INFORMATION - Described are systems and methods for correcting range bias based on geometric system properties, and for correcting bias by using velocity estimates. | 09-18-2014 |
20140266913 | PERFORMANCE ENHANCEMENTS FOR LOCAL NETWORK OF BEACONS - Described are systems and methods relating to localized networks of beacons. | 09-18-2014 |
20140266912 | DIRECTIONAL PRUNING OF TRANSMITTERS TO IMPROVE POSITION DETERMINATION - Described are systems and methods for identifying transmitters that adversely affect a trilateration result. | 09-18-2014 |
20140266911 | DIRECTIONAL PRUNING OF TRANSMITTERS TO IMPROVE POSITION DETERMINATION - Described are systems and methods for estimating a position of receiver using ranging signals from different regions in a network of transmitters. In some embodiments, each ranging signal that exceeds a quality criterion is assigned to one of several defined regions based on a characteristic of that ranging signal. A maximum number of ranging signals per region may be selected and used during trilateration. | 09-18-2014 |
20140266910 | TECHNIQUES TO IMPROVE THE PERFORMANCE OF A FIXED, TIMING-BASED RADIO POSITIONING NETWORK USING EXTERNAL ASSISTANCE INFORMATION - Described are systems and methods for estimating error associated with one or more range measurements that are used to estimate the position of a receiver. Estimations of range error may be based on surveyed range errors for nearby position estimates. Estimations of range error may alternatively be based on comparisons of actual movement of a receiver to estimated movement between two position estimates. | 09-18-2014 |
20140266905 | METHODS AND APPARATUS FOR IMPROVING TIME OF ARRIVAL DETERMINATION - Devices, systems, and methods for improving performance in positioning systems are disclosed. Signal processing methods to determine a first time of arrival signal, along with associated hardware and software apparatus for implementing such methods are described. | 09-18-2014 |
20140266904 | METHODS AND APPARATUS FOR IMPROVING TIME OF ARRIVAL DETERMINATION - Devices, systems, and methods for improving performance in positioning systems are disclosed. Signal processing methods to determine a first time of arrival signal, along with associated hardware and software apparatus for implementing such methods are described. | 09-18-2014 |
20140266885 | SYSTEMS AND METHODS FOR MAINTAINING TIME SYNCHRONIZATION - Described are systems and methods for time synching. | 09-18-2014 |
20140266884 | SYSTEMS AND METHODS FOR MAINTAINING TIME SYNCHRONIZATION - Described are systems and methods for time synching to a network in an environment that contains obstructions disposed between a receiver component and a transmitting device of the network. In particular, an adaptive masking approach and an outage approach may be used to maintain time synchronization to the network. The adaptive masking approach may be used to track satellites above predefined elevation angles that correspond to the obstructions. The outage approach may be used to maintain time synchronization when the transmitting device of the network is not in view of the receiver component. | 09-18-2014 |
20140254582 | SYSTEMS AND METHODS FOR VIRTUALLY SYNCHRONIZING UNSYNCHRONIZED OR LOOSELY SYNCHRONIZED NETWORKS FOR POSITION LOCATION DETERMINATION - Methods of operating a position network center, which includes at least one server, may include receiving timing-error data corresponding to a plurality of unsynchronized or loosely synchronized transmitters from at least one position network receiver. Moreover, the methods may include transmitting data indicating a plurality of timing errors by the plurality of unsynchronized or loosely synchronized transmitters to a wireless user device that receives signals from the plurality of unsynchronized or loosely synchronized transmitters. Related position network centers, position network receivers, and wireless user devices are also described. | 09-11-2014 |
20140075181 | SYSTEMS AND METHODS FOR PROVIDING CONDITIONAL ACCESS TO TRANSMITTED INFORMATION - Systems, methods and computer program products for controlling access to position information at a receiver based on various considerations, including a requested service type, a user type, a device type, a software application type, and/or other characteristics associated with a particular software application at the receiver from which the position information was requested | 03-13-2014 |
20140055300 | WIDE AREA POSITIONING SYSTEM - Systems and methods are described for determining position of a receiver. The positioning system comprises a transmitter network including transmitters that broadcast positioning signals. The positioning system comprises a remote receiver that acquires and tracks the positioning signals and/or satellite signals. The satellite signals are signals of a satellite-based positioning system. A first mode of the remote receiver uses terminal-based positioning in which the remote receiver computes a position using the positioning signals and/or the satellite signals. The positioning system comprises a server coupled to the remote receiver. A second operating mode of the remote receiver comprises network-based positioning in which the server computes a position of the remote receiver from the positioning signals and/or satellite signals, where the remote receiver receives and transfers to the server the positioning signals and/or satellite signals. | 02-27-2014 |
20140039823 | WIDE AREA POSITIONING SYSTEM - Positioning systems and methods comprise a network of transmitters that broadcast positioning signals comprising ranging signals and positioning system information. A ranging signal comprises information used to measure a distance to a transmitter broadcasting the ranging signal. A reference sensor array comprising at least one reference sensor unit is positioned at a known location. A remote receiver includes an atmospheric sensor collecting atmospheric data at a position of the remote receiver. A positioning application is coupled to the remote receiver and generates a reference pressure estimate at the position of the remote receiver using the atmospheric and reference data from the reference sensor array. The positioning application computes the position of the remote receiver using the reference pressure estimate and information derived from at least one of the positioning signals and satellite signals that are signals of a satellite-based positioning system. The position includes an elevation. | 02-06-2014 |
20130324154 | SYSTEMS AND METHODS FOR LOCATION POSITIONING OF USER DEVICE - Devices, systems, and methods for gathering, calculating and sending positioning information at a user device to one or more networks may be disclosed. In a first implementation the user device transforms pseudorange information relating to terrestrial beacons into GNSS pseudorange information. In a second implementation, the user device sends position information using GNSS information elements. In a third implementation, the user device sends position information using non-GNSS information elements. | 12-05-2013 |
20130169484 | WIDE AREA POSITIONING SYSTEMS AND METHODS - Devices, systems, and methods for sending positional information from transmitters/beacons are disclosed. In one implementation a transmitter generates a range block including a ranging signal and a hybrid block including positioning data, and sends the range block and hybrid block in predefined slots in a transmit frame. A receiver in a user device receives signals from a plurality of transmitters and generates position/location information using trilateration and measured altitude information in comparison with transmitter altitude information. | 07-04-2013 |