Abstract: Provided is a face-to-face situation determination system in which a first beacon, which is a beacon carried by a first user, transmits a first signal including information identifying the first beacon. A second beacon, which is a beacon carried by a second user, upon receiving the first signal from the first beacon, transmits, toward a control device, a second signal including information identifying the first beacon, a first signal reception intensity, and information identifying the second beacon. The control device receives the second signal and, on the basis of the first signal reception strength included in the second signal, determines that the first user and the second user are facing each other if the first signal reception strength is greater than or equal to a first threshold value for a predetermined period or longer, and determines that the first user and the second user are facing one direction.

Abstract: Magnetic field sensors of mobile devices are used for providing the mobile devices with information at a locally extremely restricted area in that, specifically, a magnetic field modulated with the information is locally generated at this position by an information signal generator.

Abstract: An apparatus or an add-on module for a, in particular mobile, device, is disclosed. In an embodiment, the device to be localized or the add-on module uses a measuring unit to measure, via suitable sensors, a local electromagnetic field distribution generated by a given infrastructure. An instantaneous position of the add-on module or of the device equipped therewith is then determined by comparing the measured field distribution with a specified map. In order to facilitate tracking of the add-on module or of the device, the measured field distribution and/or the determined position can be sent via a wireless data connection to a server unit.

Abstract: An assistive shopping cart system for guiding a user and monitoring the user's physical and cognitive conditions in a shopping environment is described. The assistive shopping cart system provides assistance and guidance to a user based on a user profile. The assistive shopping cart system routes the user through the shopping environment using a shopping route generated based on the user profile. The assistive shopping cart system also detects and tracks user physical and cognitive conditions and user actions in the shopping environment. The user actions are used to aid in the completion of a purchase/transaction and generate shopping notifications for the user and others to understand the process of the shopping experience.

Abstract: Network side beacon reports (NSBRs) may be generated based on probe signals received from one or more client devices (CDs) in a wireless network. Once enabled, an NSBR mode is configured to generate NSBRs remotely from a CD. When in the NSBR mode, an NSBR may be generated based on compiled probe signal parameters associated with one or more probe signals received from the CD.

Abstract: An electronic beacon placed stationary in a known location. The beacon includes a map, stored therein, pertaining to a covered area. The map includes coordinates of the known location with reference to the map. The electronic beacon is configured to transmit at least a navigational signal. The electronic beacon has a radio transmitter to communicate the map to at least one moving device in the covered area.

Abstract: A terminal to calculate a position and detect spoofing, the terminal includes a receiver of first signals, notably signals of a GNSS type, from first sources, to compute a first information relative to its position, as for instance a pseudo range measurement, an ephemeris, a navigation message, spatial coordinates or temporal coordinates, and to calculate a position; a receiver of a second signal of a non-RF and non-GNSS type from a second source, notably from an optical display, the second signal comprising a second information transmitted using a predetermined encoding format to retrieve said second information; a processing logic configured to detect spoofing by comparing the first and second information. The associated transmitters, authentication server and spoofing detection methods are also provided.

Abstract: Magnetic field sensors of mobile devices are used for providing the mobile devices with information at a locally extremely restricted area in that, specifically, a magnetic field modulated with the information is locally generated at this position by an information signal generator.

Abstract: A hyper-precise positioning and communications (HPPC) system and network are provided. The HPPC system is a next-generation positioning technology that promises a low-cost, high-performance solution to the need for more sophisticated positioning technologies in increasingly cluttered environments. The HPPC system is a joint positioning-communications radio technology that simultaneously performs relative positioning and secure communications. Both of these tasks are performed with a single, co-use waveform, which efficiently utilizes limited resources and supports higher user densities. Aspects of this disclosure include an HPPC system for a network which includes an arbitrary number of network nodes (e.g., radio frequency (RF) devices communicating over a joint positions-communications waveform). As such, networking protocols and design of data link and physical layers are described herein.

Abstract: An electronic verification system is provided, comprising: (I) multiple electronic verification devices (120), comprising: —a beacon receiver (124) arranged to receive localizing beacon signals transmitted from multiple beacons (110) installed in the vicinity of the multiple verification devices, the verification device transmits the beacon message to an external beacon verification computer, and (II) the beacon verification computer (130) configured to analyze the multiple beacon messages to determine if a localization system comprising the multiple beacons is functioning correctly.

Abstract: A method and related system and apparatus are described, in which the method comprises detecting a predefined event using an omnidirectional antenna of a first interactive device, and responsive to detecting the predefined event, enabling a directional antenna of the first interactive device. The method further comprises transmitting a first signal using the directional antenna, and responsive to receiving the first signal at a second interactive device, performing an audiovisual effect.

Abstract: An arrow includes an arrowhead and a shaft. An assembly interconnects the shaft and the arrowhead such that, in one position, the assembly substantially rigidly interconnects the arrowhead and the shaft to prevent or restrict angular or radial movement of the arrowhead relative to the shaft, and to prevent axial movement of the arrowhead relative to the shaft in one axial direction. A spring resists movement of the arrowhead relative to the shaft in the other axial direction. When the spring force is overcome, the assembly permits the arrowhead to pivot relative to the shaft while maintaining the connection between the arrowhead and the shaft.

Abstract: A system for programming an intended geographical destination into a global positioning system enabled vehicle navigation system is provided. The system includes a navigation board with a surface comprising a symbol at a position of an RFID tag representing a geographical destination. The system includes a vehicle key comprising an RFID tag reader adapted for a wireless reading of an identifier value of the RFID tag if the vehicle key is in proximity of the RFID tag. The vehicle key can store and memorize the RFID tag identifier value. The system includes a vehicle navigation system including a receiver for receiving the identifier value stored in the vehicle key if the vehicle key is in an activation mode for the vehicle such that the vehicle navigation system is programmed with the geographical destination represented by the at least one RFID tag of the navigation board.

Abstract: Systems and methods described herein can use near field communications to locate a radiating transmitter, such as a pill transmitter swallowed by a patient. In some embodiments, the pill transmitter can include multiple transmitting elements configured to transmit signals in an axis orthogonal with respect to each other. Further, in some embodiment, the pill transmitter can also include multiple transmitting elements in each of the three axes where the three axes may be perpendicular with respect to each other. The magnetic field emitted from the pill transmitter can be measured by the receiving antennas, for example, using principles of mutual inductance.

Abstract: A driver active safety control system for a vehicle includes a plurality of image capture sensors, a central control module and at least one radar sensor. The control module at least includes an image processor that processes image data captured by at least a forward viewing image capture sensor for automatic braking of the vehicle. The central control module receives vehicle data relating to operation of the vehicle, the vehicle data relating to at least one of (i) vehicle speed, (ii) vehicle steering, (iii) vehicle yaw rate, (iv) vehicle type and (v) vehicle acceleration. The central control module at least in part controls the vehicle responsive, at least in part, to processing of (i) vehicle data, (ii) image data, (iii) radar data and (iv) data from at least one of (a) the Car2Car communication system and (b) the Car2X communication system.

Abstract: A position measuring system includes s server and radio wave emitting stations positioned at different locations across a position measuring area. A storage device stores, for each of the plurality of radio wave emitting stations, a beacon identifier that uniquely identifies the radio wave emitting station and a first threshold time. A processor receives, from a portable device, reception information including a reception time indicating when the portable device received a signal from one of the radio wave emitting stations. The processor determines, based on the received signal strength identifier, a position of the reception station in the position measuring area. The processor determines an operation state of the radio wave emitting station corresponding to the received signal. A display device displays information indicating the determined operation state of each of the plurality of radio wave emitting stations.

Abstract: A method of receiving EM field magnitude values indicative of a first pose of a mobile unit in relation to a base unit, receiving sensor data from a second sensor associated with the mobile unit, where the sensor data is indicative of a direction of movement of the mobile unit, calculating a set of candidate pose solutions based on the EM field magnitude values, selecting a pose from the set of candidate pose solutions based on the sensor data from the second sensor, and sending the pose to the processor.

Abstract: Systems and methods for wireless network deployment are provided. Aspects include scanning, by a network controller, a plurality of wireless channels to determine an energy level for each channel in the plurality of wireless channels. Selecting a primary channel and a secondary channel from the plurality of wireless channels based at least in part on the energy level. Selecting a primary wireless controller and a secondary wireless data controller for each of the plurality of the wireless sensor nodes and establishing wireless communication with each of a plurality of wireless sensors over the primary channel and the secondary channel.

Abstract: There is described a location determining system comprising multiple mobile devices and multiple sensors at a facility as well as a sensor hub communicating directly or indirectly with the sensors. The sensors receive from the mobile devices broadcast beacons and identify measured times associated with receipt of the broadcast beacons from the mobile devices. The sensor hub stores the locations of sensors receives the measured times from the sensors. The sensor hub also determines sensor time errors based on the measured times, the locations of the sensors, and a transmission velocity associated with the broadcast beacons. The location determining system determines locations of the mobile devices based at least in part on the sensor time errors.

Abstract: Communication network architectures, systems and methods for supporting a network of mobile nodes. As a non-limiting example, various aspects of this disclosure provide autonomous vehicle network architectures, systems, and methods for supporting a dynamically configurable network of autonomous vehicles comprising a complex array of both static and moving communication nodes.

Abstract: A physiological information collecting system and a transceiver device thereof are configured to collect physiological information from animal bodies. The transceiver device includes a front-end circuit, a follower circuit, a quadrature delay line and an output circuit. The front-end circuit separates a discontinuous signal into an in-phase signal and a quadrature signal. The follower circuit outputs a control voltage and rotates the in-phase signal by a predetermined phase angle to output a follower signal. The quadrature delay line rotates the quadrature signal by a corresponding phase angle according to the control voltage. The output circuit synthesizes the follower signal and the quadrature signal and outputs a data signal by demodulating the discontinuous signal.

Abstract: A phased array radio system that is used to find the direction of a transmitter or receiver by using spatial positioned antenna elements at multiple frequencies. Radio systems and methods for finding an angle or a direction to a radio source are also provided.

Abstract: In a wireless local area network (WLAN) that includes one or more wireless access points capable of serving one or more wireless clients, presence of one or more instances of interference from a particular type of interferer is detected on at least one channel in an unlicensed frequency band. In response to detecting the interference, a radio resource management process is biased to continue operation of at least one of the one or more access points, or individual radios of a multi-radio access point, on the channel to make at least some use of the channel for one or more wireless clients.

Abstract: Systems and methods for generating and using probabilistic filters are provided. One example method includes obtaining a plurality of beacon identifiers respectively associated with a plurality of beacon devices. The operations include determining a plurality of filter shards for each beacon identifier by applying a plurality of hash functions to each beacon identifier. The operations include providing the plurality of filter shards for each beacon identifier for local storage in a probabilistic filter at an observing entity, such that the observing entity can query the probabilistic filter to receive an indication of whether a received identifier is a member of a set that includes the plurality of beacon identifiers. One example system includes a plurality of beacon devices, at least one observing entity, and at least one verifying entity.

Abstract: A navigation device is disclosed that provides navigational guidance to boats needing to cross a boundary line at a milestone event time. Port and starboard laylines and guidelines may be displayed with the boundary line using wind direction data. The port and starboard layline angles may change with the wind direction, while their lengths may represent a distance traversed by the boat tacking at the port and starboard layline angles for a target time period at a target speed. A predictor line may be displayed extending from the boat in the direction in which the boat is traveling and may have a length indicating a distance traversed by the boat at its current speed until the milestone event time. The predictor line length and color may provide feedback regarding whether the boat will cross the boundary too early or too late given its current speed and direction.

Abstract: Target value detection for an unmanned aerial vehicle is described. The unmanned aerial vehicle includes a first transducer that transmits a first ultrasonic signal and receives a first ultrasonic response and a second transducer that transmits a second ultrasonic signal and receives a second ultrasonic response. The second transducer has a wider beam pattern than the first transducer. Determinations are made as to whether either or both of the first or second ultrasonic responses includes a target value within range areas associated with the respective beam patterns of the first and second transducers. A confidence value is generated based on the determinations. The target value is reflected from an object and the confidence value indicates a likelihood of a position of the unmanned aerial vehicle with respect to the object.

Abstract: The communication device comprising a wireless communication implementer, an auto time adjusting implementer, and a multiple language mode implementer.

Abstract: A system and method for recovering from a failure during the position tracking of an RF-transmitting device includes tracking the position of the radio frequency (RF) transmitting device based on RF signals emitted by the RF-transmitting device. If the tracking loses the position of the RF-transmitting device, new phase difference data are calculated from the RF signals transmitted by the RF-transmitting device and received at four or more antennas. A subset of candidate position solutions for evaluation is identified based on the new phase difference data. One or more of the candidate position solutions in the subset is evaluated to find an acceptable position solution. The tracking of the position of the RF-transmitting device resumes using the acceptable position solution.

Abstract: An improved electronic game tracking system is disclosed. The game tracking system uses electronic radio ranging to determine the distance and direction to a game animal to which the game tracking system is attached. Improvements to the game tracking system address disclosed sources of range determination error and remove or reduce their effects on the determination of the range between an electronic receiver which can detect the transmitter or tag and the transmitter or tag.

Abstract: Embodiments of the present disclosure support improving determination of a location of a driver device that performs bandwidth constrained communication with a server, based on sensor data acquired by the driver device. The driver device reduces dimensionality of the acquired sensor data before transmitting the sensor data to the server over a communication network. The server receives GPS data and compressed sensor data from the driver device, and determines a quality metric related to the GPS data. Based on the quality metric, the server increases dimensionality of the compressed sensor data to reconstruct original sensor data acquired by the driver device. The server than augments the GPS data with the reconstructed sensor data, and determines location information of the driver device based on the augmented data.

Abstract: The present invention discloses a positioning apparatus and method. In embodiments of the present invention, a sending module sends auxiliary data information to a terminal, where the auxiliary data information is information required by the terminal to perform measurement on positioning nodes, where the auxiliary data information includes positioning node index numbers of the positioning nodes; a receiving module receives a positioning measurement result sent by the terminal, and provides the positioning measurement result to a positioning module, where the positioning measurement result includes a positioning measurement result corresponding to each positioning node index number, or a positioning measurement result that a reference positioning node index number separately corresponds to other positioning node index numbers; and the positioning module determines a location of the terminal by using the positioning measurement result.

Abstract: A tracking apparatus for use in tracking an arrow, crossbow bolt, or other suitable projectile, includes an electronics unit configured to be connected to a shaft of the projectile. The electronics unit includes a radio frequency (“RF”) module. The RF module is electrically associated with a head of the projectile to cause the head to function as a first RF radiating element. The RF module is electrically associated with the shaft to cause the shaft to function as a second RF radiating element. One of the first RF radiating element and the second RF radiating element can be a poise, and the other of the first RF radiating element and the second RF radiating element can be a counterpoise.

Abstract: A method and apparatus is disclosed for synchronizing a magnetic field transmitter and receiver to resolve phase ambiguity so that phase information for the position and orientation of the receiver may be derived and maintained. A synchronization process allows for the phase information to be initially derived based upon known information from other sources, and then tracked from one measurement to the next. In another embodiment, information from an inertial measurement unit (IMU) is used to determine the phase information or to correct for errors in the determination from receiver data of the position and orientation of a receiver, and prevent such errors from accumulating as the receiver moves away from a transmitter.

Abstract: Systems and methods for using wireless beacons in point of purchase (“POP”) displays to facilitate the delivery of consumer oriented content to mobile devices is disclosed herein. Wireless beacons may be used to broadcast wireless signals from POP displays, where the wireless signals include data packets with unique identifiers for the wireless beacons. A wireless signal from a POP display may be received by a mobile device. The mobile device may provide the unique identifier in the wireless signal and a geographic location of the mobile device to a remote server. The remote server may assess the location of the POP display based on the unique identifier for the wireless beacon and the provided geographic location of the mobile device.

Abstract: A location engine that estimates the barometric pressure measurement bias of a wireless terminal, resulting in an improved estimate of elevation of the wireless terminal. The location engine generates an estimate of measurement bias by comparing the barometric pressure measured by the wireless terminal while at that elevation and the barometric pressure that corresponds to an estimated elevation of the wireless terminal when it made the pressure measurement (i.e., the expected pressure). The estimated elevation is based on an inferred above-ground height and the local terrain elevation, and the expected pressure is based on the measurement of barometric pressure at the pressure reference and the estimated elevation. The location engine infers the height based on various techniques disclosed herein. The location engine can use the measurement bias to adjust subsequent pressure measurements reported by the wireless terminal, in order to generate an improved estimate of elevation of the wireless terminal.

Abstract: Embodiments provide a node state detection method and device for detecting a running state of a target node in a non-network positioning system. The method includes: acquiring signal data, the signal data including data of at least one wireless signal received by a data acquisition terminal during one movement within the system. The data acquisition terminal is configured to pass through the target node during the movement. The method further includes determining whether the acquired signal data includes a feature indicated by standard signal feature information and determining the running state of the target node according to a determination result. The embodiments achieve automatic detection on a running state of a node in the non-network positioning system.

Abstract: A method for receiving a reference signal for defining a location in a wireless communication system according to one embodiment of the present invention comprises the steps of: receiving, from a serving cell, beacon-positioning reference signal (B-PRS) configuration information transmitted by at least one beacon device; and detecting the B-PRS by using the B-PRS configuration information, wherein the B-PRS configuration information includes B-PRS group configuration information for at least one beacon device group, and the B-PRS group configuration information can include parameters for generating sequences of the B-PRS transmitted by each beacon device belonging to the corresponding group.

Abstract: A plurality of sub-cells are defined within a cell area of a radio communication network by the intersection of a radio paths of a plurality of directional radio antennas. The plurality of directional radio antennas are arranged to broadcast radio signals simultaneously, and to receive radio signals simultaneously. This disclosure relates to determining of signal values transmitted by or received from the plurality of directional radio antennas in a radio communication network.

Abstract: A sound emitting trackable arrow having an elongated cylindrical shaft that includes an insert member attached at one end and a nock member attached to the other end. A wireless tracking component may be coupled with either the insert member or the nock member, with the wireless tracking component fully enclosed inside the shaft. The wireless tracking component includes a plurality of electronic components which enable it to emit an audible sound in response to receiving an alert signal wirelessly and emit a signal strength value wirelessly which enables a real time proximity determination. A discrete, remote tracking device that is adapted to provide a user interface and to communicate wirelessly with the wireless tracking component is also provided. The remote tracking device is operative to continually maintain and display a determination of the approximate distance of the arrow and selectively cause the arrow emit an audible sound.

Abstract: Once a proximity beacon is installed within a venue, mobile devices receive signals transmitted by the proximity beacon. These mobile devices then report their own locations to an application server. These mobile devices also report a signal strength to the application server, the signal strength associated with the signal from the proximity beacon. The application server determines the location of the proximity beacon by triangulating based on the locations of the mobile devices and on the signal strengths from the mobile devices. The location of the proximity beacon is then transmitted to a front-end device that then displays the location of the proximity beacon on a map along with other locations of other proximity beacons. The map may also display range areas and battery levels of the proximity beacon, and any other data that can be gathered by the application server from the mobile devices or the proximity beacon.

Abstract: A system and method includes selecting a product to be located in a retail store, obtaining a store map, the store map being indicative of a layout of the retail store, and presenting the store map overlaid with an icon and an initial navigation path on a graphical display of the mobile device, wherein the store map represents the retail store and the icon and the initial navigation path are positioned overlaid on the map to designate a physical location of the product, and suggesting at least one product on-route of the initial navigation path, adjusting the initial navigation path to include the at least one suggested product, and presenting the initial navigation path and the adjusted navigation path positioned overlaid on the store map to the mobile device for display.

Abstract: In some embodiments, an apparatus includes a protective cover configured to attach to a wireless device having an exterior surface. The surface includes a first portion and a second portion mutually exclusive from the first portion. The second portion of the surface is associated with at least a portion of an antenna of the wireless device that performs proximity sensing for the wireless device. The protective cover is configured to cover the first portion of the surface when the protective cover is attached to the wireless device. The protective cover is configured to not cover the second portion of the surface when the protective cover is attached to the wireless device. As a result, the proximity sensing and/or the power transmitted by the antenna are not affected by the protective cover when the protective cover is attached to the wireless device and when the wireless device is operational.

Abstract: Disclosed herein is a system and method for controlling the takeoff and landing of a drone. The system for controlling the takeoff and landing of a drone includes: a landing control device configured to vary the transmission range of Low Frequency (LF) landing control signals based on whether a response signal to a transmitted landing control signal in the transmission range is received, and to transmit a landing signal if the varied transmission range is less than a minimum radius; and a drone configured to fly in a control signal-based flight mode based on a landing control signal when receiving the landing control signal transmitted from the landing control device during GPS signal-based flight, and to land at a destination by flying in a landing mode when receiving a landing signal from the landing control device during flight in the control signal-based flight mode.

Abstract: Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for peer-to-peer location-based messaging. In some implementations, a mobile device selectively displays displayable messages associated with beacons corresponding to specific locations that the mobile device visits. The mobile device can extract identifiers from wireless messages from beacons and determine whether to display a message corresponding to a beacon based on filter parameters of a user and data indicating characteristics of a property where a beacon is located. The displayable messages corresponding to beacons can be messages users who associated with the beacons have previously designated for presentation upon detection of the beacons. The mobile device can displays the displayable message for a beacon while the mobile device is a detection range to receive the wireless message from the beacon.

Abstract: Provided is a wireless transmission system including a plurality of access points and an access controller. The access controller determines a start standard time for a polling period for the plurality of access points to perform polling communication with a plurality of wireless terminals. The access controller generates a scheduling setting information indicating timings when the plurality of access points perform polling communication with the plurality of wireless terminals during the polling period. The access controller transmits, to each of the plurality of access points, a polling period start signal including the start standard time and a corresponding portion of the scheduling setting information for each of the plurality of access points. The plurality of access points perform polling communication with the plurality of wireless terminals based on respective polling period start signals.

Abstract: An information remote notification device is provided. The information remote notification device includes an orientation sensor configured to detect an oriented direction of the information remote notification device, a communicator configured to acquire sensor information from an external terminal device, and a notifier configured to notify the sensor information corresponding to the oriented direction detected by the orientation sensor. The sensor information is obtained by transmitting and receiving a detection signal and includes at least information obtained from a direction corresponding to the oriented direction detected by the orientation sensor.

Abstract: Tracking systems and methods for obtaining position coordinates of transmitters are provided. One or more transmitters send multiple carrier signals to multiple receivers, where the time difference of arrival of the multiple carrier signals are used to determine the location of each transmitter. Accuracy is obtained by using phase information of multiple carrier frequencies for time difference of arrival measurements. The accuracy obtained by a receiver depends on the quality of the received carrier signal; a received carrier signal may become distorted by the presence of multipath interference. By using multiple signals with different frequencies, the system can screen or compensate for multipath effects. This screening can be accomplished either through various signal-sampling techniques or by averaging the signals received at the receiver. Because signals with different frequencies have different multipath experiences, a computer can analyze and compensate for “good” and “bad” signals.

Abstract: Emergency response re-routing is provided. Event information is received, wherein the event information identifies a first location. Emergency resources available at the first location are determined. At least one entity in an area surrounding the first location is identified. A notification is issued to at least one entity in an area surrounding the first location, wherein the notification identifies one or more resources required at the first location.

Abstract: An electronic device including a signal generating circuit and a movable sensing circuit is provided. The signal generating circuit generates a sensory signal through a signal source. The movable sensing circuit generates a feedback signal in response to a detection signal from the signal generating circuit, and transmits the feedback signal to the signal generating circuit. The signal generating circuit obtains a first distance value between the signal source and the movable sensing circuit based on the feedback signal, and adjusts the intensity of the sensory signal according to the first distance value.

Abstract: Because GPS does not work indoors, mobile electronics devices that use GPS for activities do not work inside a building. An embodiment of the present invention uses ultrasonic tone generators in each room. The ultrasonic tone generators can be built into cameras or separate devices. Each device may emit a unique tone that has a high enough frequency that most people cannot hear the frequency or combination of frequencies. Using a built-in microphone on a mobile device, the incoming audio may be analyzed in the frequency domain to determine the loudest tone above the human hearing threshold. This tone may be mapped to a specific room that can then be sent to the mobile electronics device to perform any location-aware actions.