191 results about "Rf communication" patented technology

An apparatus for providing wireless communication between an RF communication device and remotely located RF base station devices or RF repeater devices to establish a wireless connection with a wireless carrier authorized to communicate with one or more wireless user devices (UEs) in communication with the RF communication device. The RF communication devices may employ separate wireless communication channels to communicate with one or more remote RF base station devices, remote RF repeater devices, remote network management applications, and local UEs. An RF communication device may employ a map to select a currently available RF base station device or an RF repeater device to establish a wireless connection between 10 an authorized wireless carrier and the one or more local UEs in communication with the RF communication device.

Aspects of the present application relate to multiplexing communication signals and sensing signals in the power domain. An indication that a particular unit of time-frequency resources, among a plurality of units of time-frequency resources, has been allocated to sensing and communication may be transmitted. Subsequently, an indication of a sensing waveform configuration for the particular unit of time-frequency resources may be transmitted. The sensing waveform configuration may include an indication of an allocation of power to a radio frequency (RF) sensing waveform in an integrated waveform. Then a signal according to the integrated waveform may be transmitted. The integrated waveform may include the RF sensing waveform and an RF communication waveform. Additionally, power in the integrated waveform may allocated to the RF sensing waveform in accordance with the sensing waveform configuration.

Apparatus and methods for modulation partition and transmission via multiple antennas for enhanced transmit power capability are provided herein. In certain embodiments, an RF communication system includes a transceiver that generates a first RF signal and a second RF signal corresponding to partitions of a modulated RF signal. For example, the first RF signal and the second RF signal can be associated with different RB allocations of one or more channels of a frequency band. The RF communication system further includes a first transmit chain that processes the first RF signal to generate a first RF output signal for transmission on a first antenna, and a second transmit chain that processes the second RF signal to generate a second RF output signal for transmission on a second antenna.

A system for autonomously managing resupply of consumable resources for a mobile unit includes sensors that monitor a level of a consumable resource for each entity in the unit. A network of tags communicates via short-range magnetic communications links. A local node provides a long-range RF communication link to communicate with a global node. Together the network of tags, local node and global node initiate a local resupply of the consumable resource to one or more entities from other entities within the mobile unit and a global resupply of the mobile unit from the one or more depots. The network of sensors / tags automates the task of monitoring resource levels and managing resupply. The use of the magnetic portion of the EM spectrum for local communications within the mobile unit overcomes the issues associated with RF in harsh or hostile environments.

A compensation system and method involves configuring operating parameters for a RF communication circuit using primary calibration parameters and adjusting for time-varying performance of the RF communication circuit using secondary calibration parameters retrieved from a look-up table based on an environmental factor.

A fire prevention system according to an embodiment of the present invention may include a plurality of first sensors that generate fire information and perform radio frequency (RF) communication with each other, a plurality of second sensors, and a first server that performs the RF communication with the plurality of first sensors and the plurality of second sensors, and the first server may include a digital twin calculation unit, a big data receiving unit that receives big data from an external second server, a server memory, a server communication unit, an area classification unit that divides information into a plurality of portions, a fire index calculation unit that calculates a fire index, and an evaluation tool calculation unit that calculates an evaluation tool that visually implements the fire index in each of the plurality of portions.

A fail-safe automatic mains-electricity cutoff system and method for automatic disconnection from a mains service drop in the event of mains power outage or instability, and automatic reconnection after restoration of stable mains power, with indications of operational status through a unit display, an indicator light, and an RF communication link to a remote unit. A unit enclosure having a unit door and a ground bus houses the fail-safe automatic mains-electricity cutoff system which is installed on the mains service drop, below the electrical meter and above the main breaker panel or main service disconnect switch. Low-voltage DC power for system operation is supplied through a battery unit. Disconnection and connection to mains power is effected through a switching unit providing a mains-voltage sensor, a fail-safe switch and a fail-safe switch actuator. A premises-voltage sensor and current sensor can also be provided in embodiments. A controller controls operation of the fail-safe automatic mains-electricity cutoff system based on real-time measurements and programmed operational parameters, and records and reports system status and measurements.

A method and device for wireless charging of electric vehicles, both stationary and in motion, is provided. Two-way RF communication establishes a dynamic link between the vehicle and the power supply, enabling real-time segment switching for efficient power delivery. The system actively assesses the vehicle's charging needs and location to optimize power transfer, reducing communication overhead and improving charging efficiency. This bidirectional 10 communication approach enhances the reliability and adaptability of wireless charging infrastructure for electric vehicles.

An RF communication system can include an RF transmitter, RF receiver, and a waveguide disposed between the RF transmitter and RF receiver. Each of the RF transmitter and RF receiver can include an RF antenna as well as RF electronics, the RF electronics useful to provide excitation signal to the RF antenna or to receive excitation from the RF antenna. The RF transmitter and / or RF receiver can also be a transceiver. In one form, the waveguide of the RF communication system acts as an electrical power bus. Alternatively and / or additionally, the waveguide of the RF communication system can also act as a structural member of a support structure. Alternatively and / or additionally, the waveguide of the RF communication system can also act as a heat transfer fluid circuit path. Alternatively and / or additionally, the waveguide of the RF communication system can also act as control path to convey a control signal.

A Radio Frequency (RF) communications device includes a pair of antenna terminals, which are connectable to an antenna. The device also includes an automatic gain controller, which is coupled to the antenna terminals for receiving an output current of the antenna. The automatic gain controller is operable to convert the output current of the antenna into a modulated current. The device further includes a rectifier, which is coupled to the automatic gain controller to receive the modulated current. The rectifier is operable to convert the modulated current into a rectified current. The device also includes a voltage limiter, which is coupled to the rectifier for receiving the rectified current. The voltage limiter is operable to convert the rectified current into a limited rectified voltage for supplying power to the RF communications device. An RF identification (RFID) tag comprising the RF communications device is also disclosed.

Selective radiation of radio frequency (RF) reference beams in a wireless communications system (WCS) based on user equipment (UE) locations is disclosed. The WCS may include a radio node that communicates RF communications signals in a coverage area via RF beamforming. Thus, the radio node is required to periodically radiate a number of RF reference beams in different directions of the coverage area to help UEs to identify a best-possible RF beam(s). However, radiating the RF beams in different directions periodically can increase power consumption of the radio node, particularly when the UEs are concentrated at a handful of locations in the coverage area. In this regard, the radio node can be configured to selectively radiate a subset of the RF reference beams based on a determined location(s) of the UE(s) in the coverage area, thus making it possible to reduce computational complexity and power consumption of the radio node.

Examples include a communication converter including a RF signal port for coupling the communication converter to terrestrial RF transceiver, an antenna port for coupling the communication converter to a satellite antenna, a terrestrial-to-satellite (T / S) conversion unit configured to receive via the RF signal port terrestrial RF communication signals generated by the terrestrial RF transceiver and convert them into uplink satellite communication signals, a satellite-to-terrestrial (S / T) conversion unit configured to receive via the antenna port downlink satellite communication signals received by the satellite antenna and extract therefrom terrestrial RF communication signals thereby carried, and a detection unit configured to detect at least the reception of the terrestrial RF communication signals, and generate based thereon data / signals for setting mode of operation of the communication converter into a T / S mode or a S / T mode.

Disclosed herein are system, apparatus, article of manufacture, method and / or computer program product embodiments, and / or combinations and sub-combinations thereof, for energy harvesting, automatic recharging, and power consumption reduction for smart home sensors, devices, and networks. An example embodiment operates by determining an estimated or predicted future time that a device will have insufficient electrical energy in an energy storage of the device for the device to operate. The device can be, for example, an internet-of-things device, such as a sensor, actuator, and / or RF communications repeater, that includes a radio frequency communication transmitter and an energy harvester. Based on and prior to the estimated or predicted future time, there is commanded an activation of a directed energy recharger in sufficient proximity to the device such that a directed energy beam transmitted or emitted by the directed energy recharger upon activation increases the energy stored in the energy storage of the device.

A vehicle-borne system that includes a surface-penetrating radar (SPR) system is disclosed. The SPR system acquires SPR images and includes at least one antenna for RF communication with an external device. The vehicle-borne system includes a transaction module that obtains information via the SPR system from the external device that specifies a transaction. The vehicle-borne system includes a controlled that includes a processor and electronically stored instructions that are executable by the processor. The controller computationally generates responsive information for completion of the transaction and causes the responsive information to be transmitted to the external device.

A robot or other device capable of movement includes a local position module and an RF communication module, the RF communication module being configured to communicate with RF anchor points to conduct one or more of navigation, positioning, exploration, tracking, and mapping. The robot or other device can include a transceiver configured to communicate with fixed location RF anchor points and a relative odometry unit. The robot or other device also can include a localization and navigation system that can conduct bearing measurements, which can be two-way bearing measurements, between the robot and one or more of the RF anchor points and integrates the bearing measurements with odometry measurements to navigate an environment of the RF anchor points.

The embodiment of the invention provides an active repair method and device for each camera in a vehicle, a medium and electronic equipment. Acquiring camera links of the plurality of cameras relative to the deserializer; defining an interrupt portion of the camera based on the camera link and the connection state of the camera, and defining a second portion for the interrupt portion of the camera so as to trigger a hot plug detection logic based on the second portion, and defining an insertion state of the camera according to the hot plug detection logic, therefore, the insertion state of the camera is managed and controlled in the radio frequency communication link corresponding to the camera and the state of the video stream, the accuracy of the insertion state of the camera is ensured, and meanwhile, the recovery of the video stream is triggered based on the insertion state of the camera; in the recovery process of the video stream, the recovery progress of the video stream is monitored, and the recovery progress of each camera is defined until the recovery of each camera is completed, so that the insertion state of the camera and the recovery of the video stream are completed, and the self-recovery of each camera along with the dynamic movement of the vehicle is ensured.

A unit cell for use in a phased array is provided. The unit cell includes: a printed circuit board (PCB) assembly comprising one or more PCB layers; a patch radiating element centrally disposed on a top surface of the PCB assembly; a plurality of EBG structures on the top surface of the PCB assembly, the EBG structures arranged around the patch radiating element, the EBG structures grounded in the PCB assembly; and a feed network embedded in the PCB assembly, the feed network in RF communication with the patch radiating element and for emitting or receiving an RF signal.

It is described an RF communication device comprising:i) an RF antenna functionality;ii) at least one antenna pad connected to the RF antenna functionality;iii) a further functionality which is not an RF antenna functionality; andiv) at least one non-antenna pad electrically connected to the further functionality.The antenna pad and the non-antenna pad are arranged to be short-circuited with each other, and the non-antenna pad is electrically connected via a connection line to the further functionality within the RF communication device.Further, a method of manufacturing an RF communication device is described.

RF communication systems with interference cancellation for coexistence are provided herein. In certain embodiments, a method of interference cancellation includes filtering a radio frequency (RF) transmit signal to generate a first RF feedback signal using a first filter of a front end system, filtering the RF transmit signal to generate a second RF feedback signal using a second filter of the front end system, processing the first RF feedback signal to generate a first digital interference cancellation signal using a first feedback receiver, processing the second RF feedback signal to generate a second digital interference cancellation signal using a second feedback receiver, and compensating an RF receive signal for interference based on the first digital interference cancellation signal and the second digital interference cancellation signal using a receiver.

In some aspects, the devices, systems and methods described herein include an energy harvesting devices that include a housing, first magnet and / or spring provided at a first end of the housing, a second magnet and / or spring provided at a second end of the housing, a free magnet that is configured to oscillate between one or more turns of wire in response to a vibration of the housing, which causes a voltage to be induced between terminal ends of the turns of wire. In some aspects, the terminal ends of the turns of wire can be coupled to a passive energy harvesting circuit that is configured to rectify / filter the voltage produced by the device, store the energy in passive storage components (e.g., capacitors) and use the stored energy to communicate information regarding the vibrations to a user device (e.g., via RF communication).

A luminaire comprises an outer housing and a wireless communications module mounted in the outer housing. The outer housing comprises at least first and second portions, wherein the first portion comprises an electrically conductive mesh with a first opening size to provide transparency to RF signals within an operating range of wavelengths of the communications module, and a second portion comprising a solid electrically conductive layer or an electrically conductive mesh with a second opening size, smaller than the first opening size. This second portion is thus optimized for an EM shielding function.

Disclosed herein are system, apparatus, article of manufacture, method and / or computer program product embodiments, and / or combinations and sub-combinations thereof, for energy harvesting, automatic recharging, and power consumption reduction for smart home sensors, devices, and networks. An example embodiment operates by determining an estimated or predicted future time that a device will have insufficient electrical energy in an energy storage of the device for the device to operate. The device can be, for example, an internet-of-things device, such as a sensor, actuator, and / or RF communications repeater, that includes a radio frequency communication transmitter and an energy harvester. Based on and prior to the estimated or predicted future time, there is commanded an activation of a directed energy recharger in sufficient proximity to the device such that a directed energy beam transmitted or emitted by the directed energy recharger upon activation increases the energy stored in the energy storage of the device.

Embodiments are described herein for updating communication parameter sets between a peripheral medical monitoring device and a central medical monitoring device. The central medical monitoring device may identify a triggering event for updating a communication parameter set related to RF communications between the peripheral medical monitoring device and the central medical monitoring device. The central medical monitoring device may collect system specification information related to at least one of the peripheral medical monitoring device or the central medical monitoring device and transmit a request for the updated communication parameter set that includes at least a portion of the system specification information. The central medical monitoring device may receive a response comprising the updated communication parameter set that is compatible with the at least the peripheral medical monitoring device or the central medical monitoring device having the at least the portion of the system specification information.

A controllable electrical outlet may comprise a resonant loop antenna. The resonant loop antenna may comprise a feed loop electrically coupled to a radio-frequency (RF) communication circuit and a main loop magnetically coupled to the feed loop. The controllable electrical outlet may comprise one or more electrical receptacles configured to receive a plug of a plug-in electrical load and may be configured to control power delivered to the plug-in electrical load in response to an RF signal received via the RF communication circuit. The RF performance of the controllable electrical outlet may be substantially immune to devices plugged into the receptacles (e.g., plugs, power supplies, etc.) due to the operation of the resonant loop antenna. For example, degradation of the RF performance of the controllable electrical outlet may be less when the controllable electrical outlet includes the resonant loop antenna rather than other types of antennas.

A luminaire comprises an outer housing and a wireless communications module mounted in the outer housing. The outer housing comprises at least first and second portions, wherein the first portion comprises an electrically conductive mesh with a first opening size to provide transparency to RF signals within an operating range of wavelengths of the communications module, and a second portion comprising a solid electrically conductive layer or an electrically conductive mesh with a second opening size, smaller than the first opening size. This second portion is thus optimized for an EM shielding function.

An approach to obtain low latency association of the audio clock in a smartphone with an incoming RF message is to use an interrupt driven routine, where the receipt of the RF message preamble generates an interrupt that reads the audio clock counter since the start of the audio session. In some embodiments such an approach may be implemented on the specialized processing cores found in smartphones that control RF communication, sensor or audio processing.

Lighting control systems may be commissioned for programming and / or control with the aid of a mobile device. Design software may be used to create a floor plan of how the lighting control system may be designed. The design software may generate floor plan identifiers for each lighting fixture, or group of lighting fixtures. During commissioning of the lighting control system, the mobile device may be used to help identify the lighting devices that have been installed in the physical space. The mobile device may receive a communication from each lighting control device that indicates a unique identifier of the lighting control device. The unique identifier may be communicated by visible light communication (VLC) or RF communication. The unique identifier may be associated with the floor plan identifier for communication of digital messages to lighting fixtures installed in the locations indicated in the floor plan identifier.

Some embodiments of the present disclosure relate to an assembly. In some embodiments the assembly comprises at least one antenna and a thermal insulation component. In some embodiments, the at least one antenna is configured to transmit a field of radiofrequency (RF) communication at an operating frequency ranging from 6 GHz to 100 GHz. In some embodiments, the thermal insulation component is disposed within the field of RF communication. In some embodiments, the thermal insulation component has a thermal conductivity ranging from 0.0025 W / m·K to 0.025 W / m·K at 25° C. and 1 atm.

An antenna apparatus and method of operating the antenna apparatus, can include a helical antenna comprising a helical portion raised from a printed circuit board to optimize gain and bandwidth, wherein the helical portion incorporates a limited number of turns, which facilitate control over the dimensions of the helical antenna. An antenna support can be provided, which can maintain dimensional consistency with respect to the helical antenna. The antenna support can facilitate achievement of target performance parameters for the antenna apparatus. In addition, the elevated helical portion can be configured to enhance the gain and the bandwidth without compromising the overall dimensions of the helical antenna. In some embodiments, the helical antenna may be formed from plastic.

Described herein are methods, and systems that enable a remote non-implantable device (RNID) to send commands to a leadless pacemaker (LP) implanted within a patient. The RNID provide commands to a local non-implantable device (LNID) over one or more communication networks, and the LNID sends the commands to a second implantable device (SID) by transmitting radio frequency (RF) communication signals, which include the commands, using an antenna of the LNID. After receiving the commands from the LNID, by receiving RF communication signals that include the commands using an antenna of the SID, the SID transmits conductive communication signals, which include the commands, using electrodes of the SID. The LP receives the commands from the SID by receiving the conductive communication signals, which include the commands, using electrodes of the LP, and the LP performs command responses based on the commands that originated from the RNID.