195results about "Beacon systems using radio waves" patented technology

An apparatus for a wireless communication system is provided. The apparatus is to transmit a reference signal on a common set of resource elements (REs), the common set of resource elements being used by one or more further apparatuses in the wireless communication system, so that the reference signal of the apparatus and one or more further reference signals of the one or more further apparatuses use the same resource elements. Moreover, the apparatus is to transmit the reference signal depending on a base sequence or a sequence derived from the base sequence and depending on a set of configuration parameters.

The invention pertains to a method for continuously determining a position of one or more moving vehicles of a fleet of vehicles, the fleet of vehicles including a primary vehicle (10) and one or more subordinate vehicles (11), the primary vehicle being equipped with a reference positioning system comprising one or more components - e.g., GNSS antennas - (51, 52), the reference positioning system providing reference position information regarding a position in a reference coordinate system, the method comprising: providing an anchor module (2) at the primary vehicle, comprising at least three radio-frequency sensors (21, 22, 23) that are positioned on the primary vehicle with a known spatial relationship to one another and to the one or more components, each of the radio-frequency sensors being configured to emit and receive radio signals; providing a tag module (3) on each of the subordinate vehicles (11), each tag module being configured to emit and receive radio signals; and at least a first ranging process for continuously determining the position of a first subordinate vehicle, wherein the first ranging process comprises: determining a position of the radio-frequency sensors in the reference coordinate system; exchanging a set of radio signals between a first tag module on the first subordinate vehicle and each of the radio-frequency sensors; calculating a time of flight of each set of radio signals; calculating a distance (d1, d2, d3) between the first tag module and each of the respective radio-frequency sensors based on the determined time of flight of the respective set of radio signals; deriving a position of the first tag module and / or the first subordinate vehicle in the reference coordinate system based on the calculated distances; and providing a report signal indicating the derived position of the first subordinate vehicle.

A method of estimating a relative position of a first robot with respect to a second robot at a current timestamp, wherein a first ultra-wideband (UWB) tag is installed on the first robot, the first UWB tag being a rotating tag configured to move in a circular path about a centre of rotation on the first robot, wherein a second UWB tag is installed on the second robot, the method comprising: receiving an estimate of the relative position of the first robot with respect to the second robot calculated at an earlier timestamp; obtaining rotating tag offset values of the first UWB tag with respect to the first robot at the earlier timestamp and at the current timestamp; obtaining a velocity value of the first robot at the earlier timestamp; obtaining a velocity value of the second robot at the earlier timestamp; obtaining distance values between the first UWB tag and the second UWB tag at the earlier timestamp and at the current timestamp; and calculating the relative position of the first robot with respect to the second robot at the current timestamp according to: the estimate of the relative position calculated at the earlier timestamp, the rotating tag offset values of the first UWB tag with respect to the first robot at the earlier timestamp and at the current timestamp, the velocity values of the first robot at the earlier timestamp, the velocity values of the second robot at the earlier timestamp, and the distance values between the first UWB tag and the second UWB tag at the earlier timestamp and at the current timestamp.

Disclosed are techniques for wireless communication. In an aspect, a receiving entity (RE), e.g., a user equipment or base station, receives a positioning resource beam configuration that defines a set of positioning resources, each positioning resource being transmitted by a transmission / reception point (TRP) at different times using different beams, each of the different beams having a set of beam characteristics that differs from the set of beam characteristics of another of the different beams in at least one beam characteristic. The RE performs positioning measurements on the different beams at the different times, at least based on the sets of beam characteristics, and sends positioning information to the TRP, the positioning information comprising at least some of the positioning measurements, a positioning estimate, or combinations thereof.

This disclosure relates to techniques for determining and presenting an indication of a closest cellular service location in a wireless communication system. A wireless device may receive cellular connectivity event information. The wireless device may determine a closest cellular service availability location for the wireless device based at least in part on the cellular connectivity event information. An indication of the closest cellular service availability location may be presented via one or more user interface elements. The closet cellular service availability location may be different than a most recent cellular service availability location.

Vehicle side door structure, which features: a side door body section (30) configured to open and close a side door opening (22), wherein the side door body section (30) includes an inner door panel (32) and an outer door panel (34), and a sensor (50) located inside the side door body section (30) between the inner door panel (32) and the outer door panel (34), wherein the sensor (50) includes a detection component (50A) configured to be directed outwards in the width direction of the vehicle and to detect information in the lateral direction of the vehicle (10) by using at least one of the waves, radio wave, light or ultrasonic wave, as a detection medium, wherein a permeable section (34P) is arranged on the outside of the detection component (50A) in the vehicle width direction, wherein the permeable AbSection (34P) is configured as a part of the outer door panel (34) and is configured by a material that allows the transmission of at least one of the waves, radio wave, light or ultrasonic wave, as the detection medium through the material, characterized by the fact that a reinforcing element (42), which is positioned with its longitudinal direction corresponding to the vehicle's forward and backward direction, is arranged inside the side door body section (30), and the measuring transmitter (50) is placed on the outside of the amplifying element (42) in the vehicle width direction and is secured to the amplifying element (42), wherein the reinforcing element (42) is a waistline reinforcement (70) which is placed along a waistline.

A marker for burying adjacent an underground structure such that a location of the underground structure can be identified from above a ground surface. The marker comprises a housing, a gimbal beacon retention device disposed within the housing. The gimbal beacon retention device comprises an outer gimbal structure and an inner gimbal structure rotatable disposed within the outer gimbal structure and carrying the beacon device. The gimbal beacon retention device is structured and operable to orient the beacon device in a desired orientation relative to a ground surface regardless of the orientation of the housing relative to the ground surface.

A method for an electronic device to join a downlink-time difference of arrival (DL-TDoA) network as an ad hoc anchor device is provided. The method includes, determining a location of the electronic device, and determining whether a condition to operate as the ad hoc anchor device in the DL-TDoA network is satisfied. The method also includes, in response to the condition being satisfied, transmitting a request message to operate as the ad hoc anchor device in the DL-TDoA network to a server device.

An electronic device wirelessly communicates with a terminal device by a wireless communicator, and includes a direction information acquisition unit and a processor. The direction information acquisition unit acquires, based on a beacon signal received by the wireless communicator from the terminal device, direction information related to a direction of the terminal device with respect to a reference position of the electronic device. The processor performs wireless connection of wirelessly connecting to the terminal device when the processor determines that, based on the direction information, the terminal device is positioned in a predetermined direction range.

The subject matter disclosed here includes a mobile localization system mountable onboard a mobile platform configured to receive and process signals transmitted by multiple cellular base-stations for the purpose of positioning the mobile platform.

This invention discloses a positioning method based on single-station ranging with bias reduction using multidimensional scaling analysis. The method first establishes a multidimensional similarity pseudolinear model based on the geometric relationship between the observation station and the target in the measured values; then, it sets an optimization function; and finally, it solves the model using Newton's iterative algorithm. This invention provides a general positioning method based on single-station ranging, achieving higher positioning accuracy compared to traditional pseudolinear and maximum likelihood methods.

Certain aspects of the present disclosure provide techniques and apparatus for training and using machine learning models to predict a layout of a spatial area based on an input data set of samples from the spatial environment. An example method generally includes receiving an input data set including a plurality of samples from a spatial area. Each sample of the plurality of samples generally includes at least channel state information data. A machine learning model is trained to predict a layout of the spatial area based on the input data set. The predicted layout of the spatial area generally includes a plurality of bounding boxes defining different regions of the spatial area.

Apparatuses, methods, and systems for a light fixture are disclosed. One apparatus of a light fixture includes a sensor unit and a light intensity controller. The sensor unit includes a sensor operative to generate a sensed signal based on at least one of a sensed motion or light, a wireless communication circuitry operative to maintain a link with a network, and a controller. The controller is operative to manage communications with the network, manage receipt of a beacon through the wireless communication circuitry, wherein the beacon is received from an object and the beacon includes information associated with the object, and generate a dimming control based on at least one of the sensed signal and the communications from the network. The light intensity controller is configured to receive the dimming control and operative to adjust an intensity of emitted light of a light source of the light fixture.

The present disclosure relates to techniques for determining and presenting an indication of a recent cellular service location in a wireless communication system. A wireless device may receive cellular connection event information. The wireless device may determine a recent cellular service available location of the wireless device based at least in part on the cellular connection event information. An indication of a recent cellular service available location may be presented via one or more user interface elements. The most recent cellular service available location may be different than the most recent cellular service available location.

Systems and methods for tag polling are disclosed herein. An example system includes a tag associated with an asset; an anchor point configured to poll the tag at a first transmission rate and determine an angle of arrival (AOA) based on signal data received from the tag; and a server communicatively coupled with the anchor point. The server may be configured to receive first information corresponding to the tag, the first information indicating one or more first instances in which the anchor polls the tag at a second transmission rate different from the first transmission rate. The server may also be configured to receive a tag list including tags from the anchor point, determine that a first instance of the tags occurs based on the first information, and transmit a request to the anchor point that causes the anchor point to poll the tags at a second transmission rate.

The utility model discloses a multistage optical eye detection circuit with carrier control, comprising a chip U1 used for generating carrier signals with fixed frequency and duty ratio; the pre-stage carrier amplification circuit module is connected with the chip U1 and is used for amplifying a driving carrier signal; the multi-stage infrared emission circuit module is connected with the pre-stage carrier amplification circuit module and is used for simultaneously transmitting the amplified carrier signals in the form of electromagnetic waves through multi-path cascaded infrared emission tubes; and the multi-stage infrared receiving circuit is connected with the chip U1 and is used for receiving infrared signals. According to the utility model, the purpose of detecting the position and the motion state of an object is achieved through the sending and receiving mechanisms of the multi-stage infrared signals, and meanwhile, the circuit is simple to realize and high in stability.

The invention relates to a method for assisting in the landing of an aircraft, the method comprising the steps of: - synchronising (302) an on-board system and a ground system by exchanging at least one item of timestamp information between the ground system and the on-board system; - estimating (303) at least one item of information that is characteristic of the distance separating the aircraft from a sub-module of the ground system, and combining (305) the items of information in order to infer therefrom at least one item of information characteristic of the raw general direction of arrival of the aircraft; - estimating at least one item of information characteristic of the direction of a signal transmitted by the aircraft with respect to the ground system; - comparing (307) the information characteristic of the raw general direction of arrival of the aircraft with at least the information characteristic of the direction, and determining at least one item of information characteristic of the refined general direction of arrival of the aircraft relative to the given point in the landing zone.

The present disclosure relates to distributed positioning systems and methods and self-locating devices. A self-locating device calculates its position relative to transceivers using time-tagged signals transmitted by the transceivers as part of a distributed positioning system. The transceivers and self-locating devices are arranged to use digital and analog reception and transmission electronics and one or more highly precise clocks, compensation units, positioning units, position calibration units, scheduling units or synchronization units for highly precise time tagging. The transceivers and self-locating devices are further arranged to allow full scalability in the number of self-locating devices and to allow robust self-locating with latency and update rates useful for high performance applications such as autonomous mobile robot control.

User equipment (UE) in a wireless network, the user equipment comprising a transceiver configured to receive one or more first configurations from a network entity (e.g., TRP or LMF) in the wireless network, the one or more first configurations comprising parameters for reference signals to be transmitted by the user equipment in a particular RRC state (e.g., RRCINACTIVE) to enable a positioning determination; one or more second configurations are received from a network entity (e.g., a gNB), the one or more second configurations comprising parameters describing an active phase of a UE activity cycle (e.g., a DRX cycle or an eDRX cycle) during which the user equipment is configured to receive one or more signaling messages from the network entity, and a sleep phase during which the user equipment is configured to receive the one or more signaling messages from the network entity. And wherein during the sleep phase, the UE is temporarily unreachable (e.g., by paging); the reference signal is transmitted in accordance with one of the one or more first configurations and / or in consideration of one of the one or more second configurations (defining a DRX cycle).

In a method for determining the position of a first element relative to a second element, where both elements are moving relative to each other, the position is determined using an RFID system with an RFID reader on the first element and a number of activatable transponders on the second element. The transponders pass through a read / receive range of the RFID reader and transmit their identification data upon activation. An algorithm for controlling the RFID system and performing the position determination is programmed into a control unit, and data in the form of a table is stored in the control unit's memory. This table assigns the position of each transponder's transmitted identification data to its corresponding position on the second element.The identification data transmitted by the transponders located within the reception and reading range is assigned to the respective positions of the transponders on the second element using the specified table, according to which the determination of the position of the RFID reader on the first element relative to the second element is carried out by a calculation rule contained in the algorithm.

The present invention relates to a method (100) for calculating a location of a user equipment (10), comprising the following steps performed by the user equipment (10):-transmitting (101) a sidelink location reference signal (5) to a target (20),-receiving (102) a reflection (7) of the transmitted sidelink location reference signal from the target (20),-combining (103) sensing information and location information, wherein the sensing information is based on information about a reflection (7) of the transmitted sidelink positioning reference signal, and wherein the positioning information is based on ranging information about the transmitted positioning reference signal (5),-calculating (104) a positioning of the user equipment (10) based on the combined sensing and positioning information.

The invention provides a radio distance and angle measurement device and method for relative navigation and formation cooperation. Comprising a radio antenna processing integrated unit and a radio beacon antenna unit. The antenna processing integrated unit is used as a host to realize distance and angle measurement functions, and is used as a network center to realize communication in a network; the radio beacon antenna unit serves as a slave machine and receives distance and angle measurement information sent by the antenna processing integrated unit; the antenna processing integrated unit completes distance measurement with the radio beacon antenna unit in the formation network under the networking condition; the radio beacon antenna unit receives ranging information from the antenna processing integrated unit; the antenna processing integrated unit completes measurement of a horizontal azimuth angle and a pitching azimuth angle between the antenna processing integrated unit and the radio beacon antenna under a networking condition; and the radio beacon antenna unit receives angle measurement information from the antenna processing integrated unit. And high-precision distance and angle measurement and high synchronous distribution capability of measurement information can be realized.

The invention discloses a radar beacon device with power measurement feedback adjustment and a power measurement feedback adjustment method. The radar beacon device comprises a data processing unit used for receiving parameters and control instructions, processing uploaded measurement power information and controlling an attenuation value; the signal processing unit is used for outputting a synchronous trigger signal to the power measuring unit; the microwave frequency conversion unit is used for realizing receiving, modulation and frequency synthesis of radio frequency signals; the power measurement unit is used for collecting observation signals, performing synchronous detection by combining with the synchronous trigger signals, and outputting measurement data to the data processing unit; and the display control unit is used for setting equipment working parameters and displaying the current state and power information of the equipment. According to the invention, the power measuring device is additionally arranged to monitor a transmitting signal, and a monitoring result is fed back to the control unit to control the transmitting link attenuator to set a corresponding attenuation value, so that the actual output power is consistent with the set power value, the problem of outputting absolute power is solved, and the requirement of high power precision is met.

The invention relates to a vehicle-based article positioning method, device and equipment and a storage medium. The method is applied to a vehicle. Comprising the following steps: receiving a label signal sent by a beacon based on a preset signal scanning period; wherein the tag signal represents a signal transmitted by a beacon, and the beacon represents a tag attached to an article; determining position information of an article corresponding to the beacon according to the label signal; wherein the position information represents the relative position between the article and the vehicle; generating a positioning data packet of the article corresponding to the beacon according to the position information of the article corresponding to the beacon, and uploading the positioning data packet to a cloud platform for storage; wherein the positioning data packet is used for positioning the article. Articles inside and outside the vehicle are positioned, and the user experience is improved.

The invention relates to a method and system for positioning. The method comprises receiving two or more satellite beam signals (20, 21) from one or more satellites (10, 11) in a user terminal (50), identifying the one or more satellites (10, 11) from which the two or more satellite beam signals (20, 21) are received based on unique beam identifiers, acquiring satellite-to-earth-geometry data of the identified one or more satellites (10, 11), calculating on-earth footprints (30, 31) of the received two or more satellite beam signals (20, 21) based on the satellite-to-earth-geometry data of the identified one or more satellites (10, 11), and calculating position (40) of the user terminal (50) based on the on-earth footprints (30, 31) of the received two or more satellite beam signals (20, 21).

Methods, systems, and devices for wireless communications are described. The described techniques relate to improved methods, systems, devices, and apparatuses that support aperiodic and cross component carrier PRSs. Generally, the described techniques provide for receiving a dynamic trigger indicating that a UE is to monitor for one or more downlink positioning reference signals (PRSs). The UE may generate a timing measurement for the one or more downlink PRSs, and may transmit a measurement report that indicates the timing measurement to a transmission / reception point. A UE may also transmit a capability indicator, indicating that the UE is capable of maintaining phase coherence for a PRS that spans multiple component carriers, receive control signaling that indicates multiple component carries on which the PRS is phase coherent, generate a timing measurement for the PRS based on the control signaling, and transmit a measurement report that indicates the timing measurement to the transmission / reception point.

A method for calibrating an anchor point (ANC) in a positioning system comprises transmitting a localization signal between a mobile device (TG) and the anchor point (ANC), determining a first direction between the mobile device (TG) and the anchor point (ANC) in a local coordinate system based on the transmitted localization signal, and determining a second direction between the mobile device (TG) and the anchor point (ANC) in a global coordinate system based on the determined first direction and a stored anchor orientation of the anchor point (ANC). The anchor orientation defines the local coordinate system of the anchor point (ANC) with respect to the global coordinate system. A target position of the mobile device (TG) is acquired, wherein the target position is associated with the transmitted localization signal. A third direction between the mobile device (TG) and the anchor point (ANC) is determined in the global coordinate system based on a known anchor position and the target position. The stored anchor orientation is adjusted based on the first direction and a difference between the second and the third direction.