189 results about "Radio receiver" patented technology

A system and method of targeting spatialized audio to ears of a listener, comprising sensing characteristics of an environment comprising at least one human by receiving radio frequency signals with a radio receiver; using the sensed characteristics in at least one automated processor to analyze at least one human dynamic physiological pattern of each human and estimate a body pose and head position within the environment of each human based on the sensed characteristics and the at least one human dynamic physiological pattern; and using an estimated position of the ears of each human in conjunction with a head-related transfer function in a spatial audio system to generate spatialized audio.

Approaches for idle mode operations for wireless transmit / receive units (WTRUs) with zero-energy (ZE) receivers are disclosed herein. A WTRU operating in idle mode, may receive using the main transceiver over a Uu interface, an energy harvesting (EH) configuration for use over a ZE air interface. The main transceiver may be turned off, and the ZE receiver as part of a ZE idle mode operation, may detect, over the ZE air interface, and harvest energy from ZE reference signals. The WTRU may calculate an amount of energy harvested from the ZE reference signals over a first time period. The WTRU may calculate a ZE idle mode operation energy consumption over the first time period. On a condition that the ZE idle mode operation energy consumption is greater than the harvested energy, the main transceiver may be turned on and the WTRU may enter a Uu interface idle mode operation.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. In addition, disclosed is a method performed by a user equipment in a wireless communication system, the method comprising the steps of: receiving configuration information about a wakeup signal (WUS) from a base station; determining, on the basis of the configuration about the WUS, a timer indicating a period during which the WUS is to be received using a wakeup receiver (WUR); enabling the WUR and disabling a main radio receiver during the period indicated by the timer; and determining at least one of the coverage or channel state of the user equipment during the period indicated by the timer.

A low-complexity unmanned aerial vehicle signal reconnaissance and interference system comprises a software radio receiver, a software radio transmitter, an unmanned aerial vehicle signal reconnaissance module and an unmanned aerial vehicle signal interference module. The software radio receiver sweeps frequency in a specified frequency range and outputs frequency spectrum slices, and the unmanned aerial vehicle signal reconnaissance module stores reconnaissance results in structural body data after carrying out fixed-frequency signal detection and parameter estimation, frequency hopping signal detection and parameter estimation and broadband signal parameter estimation processing on the frequency spectrum slices step by step. And the software radio transmitter radiates interference signals and interferes the unmanned aerial vehicle signal with the largest threat. According to the method, a general software radio receiver and a transmitter are used as an algorithm deployment platform, unmanned aerial vehicle signal reconnaissance in a complex electromagnetic environment is realized by using a low-complexity signal detection and parameter estimation algorithm, and unmanned aerial vehicle signal interference is guided by rapidly utilizing reconnaissance information through a simple interference strategy; and detection and countering of the unmanned aerial vehicle are realized.

According to an aspect, there is provided an all-digital phase-locked loop, ADPLL, for a radio receiver, transmitter or transceiver. The ADPLL comprises a time-to-digital converter for generating a digital time signal based on an external reference clock signal and a feedback signal, a switched capacitor digitally controlled oscillator, SC-DCO, for generating a radio frequency signal used as the feed-back signal, a phase-locked loop for controlling the SC-DCO based on the digital time signal for achieving a phase and frequency lock and digital processing means. The digital processing means are configured to maintain, in at least one memory, a lookup table defining a plurality of switching configurations of the SC-DCO corresponding to a plurality of frequencies of the radio frequency signal and to cause the phase-locked loop controller to adjust the switching configuration of the SC-DCO according to the lookup table.

The present invention discloses a radio orientation method. A radio positioning device includes a radio receiver (hereinafter referred to as the receiver), an antenna, a signal generating module, an external crystal oscillator and a signal processing module. The receiver transmits the collected radio signal data to the signal processing module through USB, Ethernet, WIFI, Bluetooth or other communication interfaces (hereinafter collectively referred to as communication interfaces). The signal processing module performs data processing based on MUSIC, ESPRIT, WSF, ISM, a new DOA estimation algorithm based on Bayesian compressed sensing learning or other DOA estimation algorithms (hereinafter collectively referred to as DOA estimation algorithms) to obtain the direction of the signal source and complete orientation. The method disclosed by the present invention improves the efficiency of radio orientation, visualizes the orientation results, simplifies the structure of the orientation device, and can be applied to a variety of working conditions, which is a technical advancement in this field.

Physical random access channel (PRACH) radio receiver devices and related methods and computer programs are disclosed. An uplink (UL) synchronization signal is received at a radio receiver device. The UL synchronization signal comprises a PRACH preamble. The PRACH preamble comprises a preamble sequence set. The radio receiver device extracts the preamble sequence set. The radio receiver device applies a neural network (NN) to the extracted preamble sequence set to determine a physical root sequence index, an associated cyclic shift value, and / or a timing offset value, for at least one preamble sequence instance in the extracted preamble sequence set. The radio receiver device further applies the NN to output at least one of the determined physical root sequence index, the associated cyclic shift value, and / or the timing offset value, for the at least one preamble sequence instance in the extracted preamble sequence set.

An imaging system (MIS), optionally a medical imaging system, with wireless communication capability and related method. The imaging system comprises a gantry (RG) rotatable around a rotation axis. The gantry includes a detector device (D) capable of recording, in plural spatial positions, measurement data in relation to a subject (such as a patient) (PAT) to be imaged. The system also includes a radio transmitter (TX) for generating a directed radio beam propagatable along a propagation axis to transmit the measurement data to a radio receiver (RX). The radio transmitter (TX) is arranged at the rotatable gantry and is operable so that the propagation direction intersects the rotation axis in a location that is situated away from the rotatable gantry.

A gaming machine having an audio channel outputting game sound and an audio channel intaking microphone sound and outputting chat sound is coupled with a headset having earpieces and a microphone and a Bluetooth transceiver in the headset for sending and receiving the microphone and chat sounds. A radio receiver or wired connection in the headset receives the game sounds. Circuitry in the headset is connected between the transceiver and receiver for mixing the microphone, chat, and game sounds and feeding them all to the earpieces.

Methods, systems, and devices for wireless communication are described. Techniques described herein relate to a user equipment (UE) that may include a wake-up radio in addition to a main radio to monitor a wake-up signal when the UE is in a sleep mode. The wake-up radio receiver may use less power than the main radio. In some examples, a first UE may indicate to a wireless node (e.g., a control sidelink UE or a network entity) that the UE is capable of transmitting a wake-up signal to a second UE. In such examples, the wireless node may send a wake-up signal intended for the second UE to the first UE based on the capability report. The first UE may relay the wake-up signal to the second UE. In response to receiving the wake-up signal, the second UE may wake up the primary radio of the second UE for communication.

A position offset between a primary coil and a secondary coil of an inductive power transfer pair is determined using a region classifier model and an absolute position model of an operational charging region between the primary coil and the secondary coil. During operation, radio signal information including magnitudes and phase differences is collected from respective radio receivers of a ground transceiver assembly and a vehicle transceiver assembly. The radio signal information and the region classifier model are used to determine whether the vehicle has entered or departed the operational charging region, and the radio signal information and absolute position model are used to determine absolute or relative offset positions of boresights of the primary coil and the secondary coil. A display provides an indication of the absolute or relative offset positions between the boresights of the primary coil and the secondary coil.

Systems, methods, and apparatuses for multiple main radio receiver (MR) ramp-up times for low power wake-up signal (LP-WUS) monitoring by a wireless transmit / receive unit (WTRU) are provided. The WTRU determines and / or the WTRU receives configuration information indicative of a plurality of MR ramp-up times. The plurality of MR ramp-up times are based on a continuous time duration for which the WTRU monitors for the LP-WUS. The WTRU determines one or more physical downlink control channel (PDCCH) monitoring resources as a function of one or more MR ramp-up times of the plurality of MR ramp-up times. The WTRU determines whether to monitor the PDCCH outside a discontinuous reception (DRX) on duration timer and / or during the DRX on duration timer based on one or more conditions. The plurality of MR ramp-up times reduce latency caused by MR sleep states, increase efficiency of scheduling data transmission and / or reception, and reduce WTRU power consumption.

A Flight Control System for an aerial vehicle, the system comprising an autopilot for autonomously controlling the flight of the aerial vehicle; a GNSS receiver for receiving GNSS signals that can be used by the Flight Control System to calculate the current location of the aerial vehicle; and one or more radio receivers for receiving radio signals that can be used by the Flight Control System to calculate the current location of the aerial vehicle. The Flight Control System has a primary mode of operation in which a location of the aerial vehicle is calculated using the received GNSS signals, and provided to the autopilot for controlling the flight of the aerial vehicle and a secondary mode of operation in which a location of the aerial vehicle is calculated using the received radio signals, and provided to the autopilot for controlling the flight of the aerial vehicle.

Approaches for idle mode operations for wireless transmit / receive units (WTRUs) with zero-energy (ZE) receivers are disclosed herein. A WTRU operating in idle mode, may receive using the main transceiver over a Uu interface, an energy harvesting (EH) configuration for use over a ZE air interface. The main transceiver may be turned off, and the ZE receiver as part of a ZE idle mode operation, may detect, over the ZE air interface, and harvest energy from ZE reference signals. The WTRU may calculate an amount of energy harvested from the ZE reference signals over a first time period. The WTRU may calculate a ZE idle mode operation energy consumption over the first time period. On a condition that the ZE idle mode operation energy consumption is greater than the harvested energy, the main transceiver may be turned on and the WTRU may enter a Uu interface idle mode operation.

The invention relates to the technical field of railway traffic safety, and discloses a railway train coming early warning system and method based on a Lora communication technology. Comprising a LoRa data transmission radio transmitter mounted at the head of a train, a LoRa data transmission radio receiver mounted along a railway, an audible and visual alarm and a power supply system, wherein the LoRa data transmission radio transmitter transmits switching value signals according to a set period; the LoRa data radio receiver receives the switching value signal transmitted by the transmitter and judges whether the train enters an early warning area or not according to the strength of the received signal; the audible and visual alarm is controlled by the receiver to be started and sends out sound and light alarm signals. The power supply system is a solar power supply system. By adopting the railway coming train early warning system based on the LoRa communication technology and combining the flexible parameter adjustment of the transmitter and the receiver, the accurate control of the early warning range is realized. Reliable communication can be realized in a range of 800 meters by adjusting key parameters such as transmitting power and a signal threshold value.

A radio receiver device is provided. The radio receiver device is configured to receive a radio signal comprising a data packet with a packet duration, said data packet comprising a first portion and a second portion; to determine an initial estimate of the packet duration using data included in the first portion; to determine a correction factor for said initial estimate of the packet duration using data included in the second portion; and to combine the initial estimate and the correction factor to determine a refined estimate of the packet duration.

A vehicle includes a radio receiver configured to receive emergency alert messages initiated by an alerting authority and broadcast by an alerting disseminator. The radio receiver is normally inactive when the vehicle is in the dormant state. A user monitor is configured to track a user during a time that the vehicle is in the dormant state to detect whether the user remains in the vehicle or is within a predetermined distance of the vehicle. A controller coupled to the radio receiver and to the user monitor is configured to activate the radio receiver during the dormant state when the user is present. The controller detects the existence of a relevant emergency alert message and initiates an annunciation signal which is generated by the vehicle and perceptible to the user to inform the user that the relevant emergency alert message is available.

A small electric remote-controlled flatbed cart that is easy to store, wherein the main body includes an inner layer of the main body and a wheel fixing bracket, the inner layer of the main body is installed on the wheel fixing bracket, the inner layer of the main body is installed with a lithium battery, an integrated electric adjustment board, a main controller and a radio receiver, the outer rings of the wheels are respectively installed at the four corners of the bottom of the wheel fixing bracket, and the outer rings of the wheels are wrapped with a motor; the main controller is connected to the radio receiver, and the handheld transmitter is frequency-connected to the radio receiver; and a spare push-pull rod system is provided on the main body, and a rebound pressure plate and a lateral rebound pressure plate are provided on the spare push-pull rod cross bar of the spare push-pull rod system, and the push-pull rod is quickly stored by utilizing the squeezing force of the spring assembly and the vehicle body, which effectively reduces the jamming phenomenon that is prone to occur in traditional methods, and can also fix the position of the push-pull rod after storage, and expand the actual effective practical area of ​​the flatbed cart, so that the appearance is more neat and beautiful after storage.

The invention relates to a low power wireless network system. A low power wireless network system, a wireless network node, a wireless network hub, and a method for transmitting data frames on a low power wireless network system are provided. An example wireless network system includes an access point and a plurality of wireless nodes, the wireless nodes including a destination wireless node and a wireless hub. The access point is configured to transmit data frames to a plurality of wireless nodes according to a wireless network protocol. The destination wireless node includes a primary connection radio module configured to generate a communication signal according to a wireless network protocol and a wake-up radio receiver configured to receive a low-power wake-up signal. The wireless hub is configured to transmit a low power wake-up signal to the destination wireless node if the beacon frame from the access point indicates that the buffered data frame is intended for the destination wireless node.

Method for representing environmental structures in an occupancy grid (1) for a driver assistance system (A1,A2,AN), wherein the environmental information is provided by at least one of the following devices - Environmental sensor, in particular camera, radar or lidar sensor - Navigation device - Radio receiver (c2x), characterized in that a value for a criticality (K) of the environmental structure is stored in the occupancy grid (1) and a function of a driver assistance system (A1,A2,AN) is controlled based on a hazard risk, wherein the criticality (K) is a measure of the negative consequences of driving over these environmental structures, wherein the criticality is based on the damage to be expected when driving over the area and is adapted to known tables for classifying injury severity.

A radio receiver includes a radio frequency (RF) receiver circuit to receive a radio broadcast signal, an internet network interface, a display, a memory, a processing circuit, and a client application including instructions for execution by the processing circuit. The client application is configured to determine geographic location information for the radio receiver, determine a radio broadcast available to the radio receiver using the geographic location information, select metadata associated with the radio broadcast available to the radio receiver from metadata stored in the memory, and present information included in the selected metadata using the display in accordance with the received radio broadcast signal.

System for a real-time radio receiver network, wherein the system comprises: a remote digital antenna digital receiver (“RDADR”) with a processor; a first remote digital antenna (“RDA”) comprising a processor, at least one receiver and at least one antenna; a second RDA with a processor, at least one receiver and at least one antenna, an audio source that is coupled to the transmitter; and an audio output device coupled with the RDADR, where the RDADR, the first RDA and the second RDA are coupled to each other via a digital bus, wherein the first RDA and the second RDA attempt to receive one or more digital signals from a transmitter, and if the one or more digital signals are received without error by the first RDA or the second RDA, the RDA that has received the one or more error-free digital signals transmits the one or more error-free digital signals via the digital bus to the RDADR, where the audio source generates one or more digital signals, and where the audio source is at least a microphone or a musical instrument.

The present method for operating a radio network (100), preferably a radio network of the TS (telegram splitting) narrow-band family, comprising at least one radio node (FK1, FK1+n) and at least one receiver (20), wherein a message in the form of a data packet (DP) is split, in the telegram splitting method, into individual sub-data packets (C1-C1+M) by a transmitter (10) of a radio node (FK1-FK1+n) in the uplink, and the sub-data packets (C1-C1+M) are sent in the uplink as one radio burst (FB) each, in succession, in a hopping pattern (SM) to the radio receiver (20), the sub-data packets (C1-C1+M) of the hopping pattern (SM) being sub-data packets of a frame, in particular core frame (CF), each sub-data packet (C1-C1+M) comprising a pilot sequence (PS), and the hopping pattern (SM) being a time hopping pattern and / or a frequency hopping pattern. In order to be able to use energy buffers more easily, the hopping pattern (SM) is designed such that the frame or the total number of radio bursts (FB) of the frame is greater than the coherence time, and the frequency and / or time of the radio bursts (FB) of the frame is adjusted in the receiver (20) on the basis of frequency and / or time hypotheses.

To provide a disaster prevention radio having a manual power generation device and capable of being accommodated in a bottle holder with good fit.SOLUTION: A disaster prevention radio includes a main body having a substantially cylindrical shape and a substantially disc-shaped pedestal. The main body has a first central axis line extending a vertical axis. The pedestal is located below the main body, and includes a first upper main surface and a first lower main surface. The first central axis line passes a center of the pedestal in view of a vertical direction. The main body contains: a radio receiving apparatus; and a power generation device that can supply power to the radio receiving apparatus by rotating a rotor. The pedestal is connected to the rotor so as to be rotatable relative to the main body about the vertical axis, and has an external dimension approximating a 500 ml drinking plastic bottle.SELECTED DRAWING: Figure 1

A radio receiver (20) for determining the position of a sonar buoy (22) is disclosed, comprising a receiving unit (24) and a data processing unit (26). The receiving unit (24) is configured to continuously, and in particular continuously, receive a sequence of radio signals (28) from the sonar buoy (22) from the moment it is deployed. The data processing unit (26) is configured to determine the received level of the radio signals (28) in the sequence of radio signals and, based on a plurality of received levels of different radio signals (28) in the sequence of radio signals, to determine the position of the sonar buoy (22) absolutely or relative to the radio receiver (20).

The present invention relates to a wirelessly controlled magic wand comprising a handle and a light block arranged at one end of the handle, wherein a light ball is firmly embedded in the light block and a radio receiving unit is firmly provided inside the handle, wherein the light ball is connected to the radio receiving unit by means of a connecting cable, and adjacent to the radio receiving unit in the handle, a speaker is firmly arranged, which is connected to the radio receiving unit; wherein a control device is provided which matches the radio receiving unit, and within the control device, a radio transmitting unit is provided which matches the radio receiving unit, wherein the control device transmits a control signal to a radio receiving unit via a radio transmitting unit. The light block is made of a transparent material and has the shape of a pentagon.A battery, located next to the radio receiver unit, is securely integrated into the handle, and the speaker is attached to the end of the handle. Furthermore, the invention is very practical.

1. The name of this design product: radio receiver. 2. Purpose of this design product: a microphone used for news interviews. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

A radio receiver device is provided. The radio receiver device is arranged to receive a radio signal comprising a symbol sequence corresponding to a training sequence; to determine a first autocorrelation of said symbol sequence using a first autocorrelation latency; to determine a second autocorrelation of said symbol sequence using a second autocorrelation latency that is longer than the first autocorrelation latency; and to combine said first and second autocorrelations to determine an estimate of carrier frequency offset between the radio signal and the radio receiver device.

The invention relates to a location method implemented by a location device, said device comprising at least a first and a second radio receiver spaced apart from each other, said method being characterized in that it comprises the following steps: reception, by said first receiver, of at least one first location data item from a first transmitter and at least one second location data item from a second transmitter; reception, by said second receiver, of at least one third location data item from said first transmitter and at least one fourth location data item from said second transmitter;determining, as a function of said first, second, third and fourth data and of the position of said first and second receivers, the position of said device relative to one of the two areas of interest delimited by a plane perpendicular to the ground, said plane comprising said first and second transmitters. Figure for the abstract: Figure 1;

The invention discloses a ground-air control multi-channel received voice dynamic alignment method, which comprises the following steps of: 1, establishing SIP (Session Initiation Protocol) connection between a radio station gateway in an interphone system and an external radio station receiver, maintaining bidirectional RTP (Real-time Transport Protocol) keep-alive packet receiving and transmitting in a certain period, and receiving RTP effective voice packets in a certain period; 2, the radio station gateway adds an extension field in an RTP packet every fixed exploration time, and sends an RMM measurement request message to an external radio station receiver; 3, after receiving the RMM measurement request message, the external radio station adds an extension field in the RTP packet and replies an MAM measurement answer message; 4, different modes are selected to calculate receiving channel delays, normalization is carried out according to RTP receiving precision, the channel with the maximum delay is selected as a reference channel, and normalization values needing to be increased by other channels are calculated; and step 5, the radio gateway updates the alignment value of each channel, and after the alignment of the received voice of each channel is achieved, the received voice is sent to a voice server.