191 results about "Radio reception" 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.

The invention discloses an unmanned aerial vehicle detection method based on radio frequency spectrum identification and deep learning, and relates to the technical field of unmanned aerial vehicle monitoring, and the method comprises the steps: deploying a radio receiving station to collect radio signals, converting the radio signals into a time-frequency graph, extracting multi-scale signal features, carrying out the global average pooling of the multi-scale signal features, and carrying out the global average pooling of the multi-scale signal features; calculating a scale adjustment coefficient to generate a weighted feature, extracting a time sequence signal feature to generate a fusion feature, constructing a full connection layer to perform multi-task processing on the fusion feature, and outputting an unmanned aerial vehicle detection result; a state space is defined, an action space is defined according to environmental parameters, nonlinear harmonic response characteristics in a current state are measured to construct a nonlinear reward function, a comprehensive reward function is formed in combination with action interference effects, and a final interference strategy is output through reinforcement learning. According to the invention, the scientificity and robustness of the identification and interference strategy are significantly improved, the accuracy of the interference strategy is improved, and the interference effect of the unmanned aerial vehicle is effectively improved.

This application relates to wireless communications, including methods and apparatus to monitor radio link conditions of a cellular wireless network adaptively using a low-power wake-up signal (LP-WUS) burst received by a low-power wake-up radio (LP-WUR) of a wireless device when possible and switching to using legacy reference signals received by a main radio only when required. The LP-WUS burst is processed by the LP-WUR to determine a block error rate (BLER) value and / or a signal-to-noise-plus-interference ratio (SINR) value to determine whether the wireless device is in an out-of-sync (OOS) condition. The main radio can be awakened, including when directed to sleep by the cellular wireless network, to perform radio link monitoring when the OOS condition is determined.

Methods, systems, and devices for wireless communications are described. In some examples, a user equipment (UE) may receive, via a first radio, a first signal that indicates one or more resource occasions for transmission of a wake-up signal (WUS). Based on receiving the first signal, the UE may transmit, via a second radio for the UE and via the indicated resource occasions, the WUS, where the WUS indicates for the network entity to operate according to a first mode of operation associated with higher power consumption relative to a second mode of operation. In such examples, the first radio of the UE may be associated with lower power consumption relative to the second radio of the UE. Based on transmitting the WUS, the UE may monitor, via the second radio, for control signaling and communicate with the network entity.

The invention relates to the technical field of data intelligent testing and traceability, and provides a civil aviation radio parameter intelligent testing and traceability method and system, and the method comprises the steps: obtaining target spectrum feature data obtained by scanning a target frequency band through a phased-array antenna array in a dynamic spectrum interference environment, and adjusting the phased-array antenna array; and converting a civil aviation radio receiving signal in the target spectrum data after anti-interference optimization into time-frequency domain data, generating a signal spectrum, generating a modulation parameter characteristic and a frequency deviation parameter characteristic, and generating a civil aviation radio parameter traceability result containing an equipment identity identifier and a parameter deviation value. According to the invention, through optimization adjustment and signal feature analysis of the phased-array antenna in a dynamic spectrum interference environment, the problem of unstable anti-interference effect in the prior art is solved; the intelligent level and the practicability of the whole system are not high, and intelligent testing and accurate traceability of civil aviation radio parameters are achieved.

Methods, systems, and devices for wireless communication are described. A wireless device may receive first configuration information that defines a first schedule of occasions for reception of a low power wakeup signal via a first radio of the wireless device associated with low power operation. The wireless device may receive second configuration information that defines a periodic connected-mode discontinuous reception (C-DRX) cycle that includes a second schedule of periodic ON durations to monitor a physical downlink control channel (PDCCH) via a second radio of the wireless device, and receive the low power wakeup signal via the first radio of the wireless device in accordance with the first configuration information and in advance of, by at least a threshold amount, a start of a next ON duration or a next PDCCH message.

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.

The invention provides a prospecting system and method based on software defined radio, and belongs to the technical field of mineral detection, and the system comprises a software defined radio transmitting device which is used for generating transmitting parameters based on the geological structure and detection requirements of a to-be-detected area, an electromagnetic wave emission signal emitted to the to-be-detected area is generated based on the emission parameter; the software-defined radio receiving equipment is used for receiving electromagnetic wave receiving signals propagated in the to-be-detected area; and the mineral analysis module is used for determining a distortion mode based on the electromagnetic wave transmitting signal and the electromagnetic wave receiving signal, and determining the type and grade of minerals based on the distortion mode. According to the invention, the high flexibility of the software defined radio technology is utilized, rapid adjustment of emission parameters is realized to adapt to different geological structures and detection requirements, and the prospecting efficiency of the system is improved. Meanwhile, mineral detection is achieved based on the distortion mode, manual work is not needed, and the mineral detection accuracy is improved.

Methods, systems, and devices for wireless communications are described. In some examples, a user equipment (UE) may receive, via a first radio, control signaling that indicates a configuration associated with a wake-up signal (WUS) and that also indicates an association between the WUS and a semi-persistent scheduling (SPS) occasion. As such, the UE may monitor, via a second radio, for the WUS in accordance with the control signaling, where the WUS may indicate whether the SPS occasion includes a physical downlink shared channel (PDSCH) transmission. For example, if the WUS indicates that the SPS occasion includes the PDSCH transmission, the UE may perform a first procedure pertaining to monitoring, via the first radio, the SPS occasion. Alternatively, if the WUS indicates that the SPS occasion is empty, the UE may perform a second procedure pertaining to maintaining the first radio in a sleep mode.

The invention relates to a polarising cell (C) configured to receive radiation incident on a first side of the cell, and to produce, from the incident radiation, on a second side of the cell opposite the first side, re-emission radiation that exhibits circular polarisation. The cell comprises a switching element (15) configured to produce, in a controlled manner, a first active phase shift of the incident radiation. Such a cell can be used in a reconfigurable transmitting network, in particular as a component of a radio transmitting antenna or of a radio receiving antenna. A beam-forming and beam-scanning function can be achieved by controlling the active phase shift in each cell of the transmitting array.

The invention relates to an optically transparent sheet (2) for regionally delimiting a space (1). The sheet (2) has a shaped carrier material (7) which has an inner coating (8) facing the space (1) and an outer coating facing away from the space (1). The inner coating (8) and the outer coating (9) each consist at least partially of an electrically conductive material such that they can function as an antenna against electromagnetic radiation (5, 6). The sheet bar (2) also has an electrically conductive connection (11, 13) which connects the inner coating (8) to the outer coating (9) in an electrically conductive manner. The invention also relates to a motor vehicle (3) having such a sheet (2).

The utility model relates to a power supply system for being synchronously opened or closed with an electric appliance. The power supply system comprises a power supply circuit; the relay is arranged on the power supply circuit; the control module is electrically connected with the relay; the power supply module is electrically connected with the control module; the wireless trigger circuit comprises a data coding unit, a trigger switch and a radio transmission unit which are connected in series; the radio receiving unit is used for receiving the radio signal transmitted by the radio transmitting unit; the trigger switch is a flexible switch, is adhered to the electric appliance switch and is used for synchronously acting with the electric appliance switch, and the control module controls the on-off of the relay based on a radio signal received by the radio receiving unit. According to the application, the flexible trigger switch is adhered to the electric appliance switch, and the trigger switch is utilized to control the on-off of the wireless trigger circuit so as to transmit the corresponding electric signal, so that the control module controls the on-off of the relay based on the electric signal so as to achieve the purpose of controlling the on-off of the power supply circuit, thereby realizing the synchronous power-on or power-off of the power supply circuit and the electric appliance.

A system and a method are disclosed for low-power wake up signaling and reception for main radio wake-up and power saving. The system and method may relate to sending, by a user equipment (UE), UE capability information corresponding to a capability of a low-power wake-up receiver (LP-WUR) radio to receive orthogonal frequency division multiplexing (OFDM) signals; receiving, by the UE, a low-power wake up signal (LP-WUS), the LP-WUS comprising first data in an on-off keying format and second data in an overlaid OFDM format, wherein the LP-WUS is based at least in part on the UE capability information; and activating, by the UE, based on the received LP-WUS, a main radio for receiving wireless communications.

Systems and methods for operating a security system. The methods comprise: monitoring an area for a presence of an individual or vehicle using wireless signals of a first type that are received by a first radio of the security system; operating the first radio as a wireless sensor for generating sensor data; determining whether the individual or vehicle is exhibiting an unusual behavior using the sensor data and pre-programmed or machine learned patterns of unusual behavior; changing an operating frequency of the first radio when a determination is made that the individual or vehicle is exhibiting unusual behavior; and communicating a wireless signal of a second type from the first radio when the individual or vehicle is exhibiting unusual behavior, where the second type is different than the first type.

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 wireless transmit / receive unit (WTRU) may have a low-power radio and a main radio. The WTRU may receive configuration information indicating plural subgroupings. Each subgrouping may be associated with a respective number of subgroups per paging occasion (PO). The WTRU may determine a set of identifiers of the WTRU. The WTRU may receive, via the low-power radio, a low-power-wake up signal (LP-WUS). The LP-WUS may include information indicating (i) a subgrouping of the plural subgroupings, and (ii) one or more first subgroup identifiers. The WTRU may determine a second subgroup identifier based on the indicated subgrouping and an identifier of the set of identifiers of the WTRU. The WTRU may monitor, using the main radio, for a physical downlink control channel (PDCCH) transmission during a PO associated with the LP-WUS based on the determined second subgroup identifier matching one of the indicated one or more first subgroup identifiers.

To provide a sensing device, etc. capable of performing sensing of a living body more accurately.SOLUTION: A sensing device 200 includes: an acquisition unit 230 for acquiring wireless machine information acquired from at least one wireless machine of a first wireless machine 100 disposed in an object space 400 capable of performing at least wireless transmission and a second wireless machine 201 disposed in the object space 400 capable of performing at least wireless reception; a determination unit 240 for determining whether or not a movable wireless machine of the first wireless machine 100 and the second wireless machine 201 is standing still; and a sensing unit 250 for performing sensing of a living body 300 in the object space 400 using CSI (channel state information) included in the wireless machine information that is received by the second wireless machine 201 from the first wireless machine 100 when the determination unit 240 determines that the movable wireless machine is standing still.SELECTED DRAWING: Figure 2

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.

The invention relates to a device according to the invention for controlling at least one first radio transceiver which can be integrated into a formable system, in particular in a formable system for interacting with at least one machine process, for example in an industrial environment, the first radio transceiver is designed to have at least one first interface which can be operated at least temporarily in time for communication, positioning and / or sensing technology for radio transmission / radio reception based on electromagnetic waves, and which is designed wirelessly in accordance with at least one radio communication standard, the control device has a second interface via which at least one control signal can be transmitted to the radio transceiver. The first radio transceiver is designed to be configurable by receiving and / or interpreting the control signal at least for at least temporarily providing and / or closing a first interface providing at least part of the communication, positioning and / or sensing technology in time, the first interface is selectively operated at least temporarily for communication, positioning and / or sensing techniques such that the machine process is performed with access to data exchanged at least by operation of the radio transceiver.

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.

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

The utility model discloses an LED-based intelligent audio visualization mechanism, which comprises a front shell, a middle shell and a rear shell, a display screen lens is mounted on the surface of the front shell in a covering manner, and the front shell is mounted outside the middle shell in a covering manner. Through the above structure, the system integrates audio visualization, temperature monitoring, radio reception and clock display, and provides a complete intelligent illumination and information display solution. An FFT algorithm is adopted for audio analysis, the accurate rhythm light effect is achieved, and an LED changes in real time along with music; the NTC sensor is used for collecting the environment temperature, and the temperature value is visually displayed on the display screen; fM / AM radio station receiving is supported, and currently listened frequency information is displayed through the display screen, so that the system has a broadcasting function; a time management function is provided in combination with the RTC module, and the current time is displayed through the display screen and can be used for timing in daily life; accurate numerical value display is provided through the display screen, and the problem that color change is not visual due to the fact that only LEDs are relied on is solved.

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).

A loudspeaker for a gas mask is composed of a main body, a pickup and a magnetically controlled switch group, is installed on a 40mm standard interface of the gas mask, and does not affect the installation of a gas filter tank. The main body is composed of an upper shell, a lower shell, a loudspeaker, a battery, a circuit board, a heart-shaped microphone, a magnetically controlled switch group and a radio receiving port, a magnetic induction slot group, a radio installation interface, a wire arrangement clamp and a mode control button are arranged outside the shell. A circuit board is installed in the shell and connected with an external wireless power receiving port, and a battery interface is reserved in the circuit board. According to the invention, when the gas mask is only provided with one standard gas defense filter tank interface and is not provided with a special interphone of the model, the gas mask has sound amplification and infinite communication capabilities.

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.

A wireless transmit / receive unit (WTRU) may have a low-power radio and a main radio. The WTRU may receive configuration information indicating plural wake-up procedures. The WTRU may determine a first identifier of the WTRU which is associated with a low-power-wake up signal (LP-WUS). The WTRU may determine a subgroup identifier associated with the WTRU. The WTRU may receive, via the low-power radio, the LP-WUS. The WTRU may determine the LP-WUS is intended for the WTRU based on any of: (i) resources in which the LP-WUS is received, and / or (ii) the LP-WUS including information indicating an identifier. The WTRU 102 may determine one of the plural wake-up procedures based on (i) the identifier indicated by the LP-WUS and / or (ii) at least a part of a value tag indicated by the LP-WUS. The WTRU may perform, using the main radio, the determined wake-up procedure.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, via a low power radio of the UE or a main radio of the UE, a signal indicative that the UE is to skip use of the low power radio to monitor one or more low power wake up signals. In some examples, the signal may be a low power wake up signal that is indicative of a payload. The payload may indicate a skipping pattern or skipping duration. In some examples, the signal may be a control signal, such as downlink control information. The UE may skip monitoring of the one or more low power wake up signals based on the signal.

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.

A wireless communication system (1) comprises: a server (3) that is connected to a core network; a plurality of RUs (4) that are connected to the server (3) and communicate wirelessly with a UE (6); and a plurality of RISs (5) that are controlled by the server (3), and can control reflection phases and change radio wave reflection directions by inclining electrical reflection wavefronts. The RISs (5) are connected to the server (3) by a communication line to which the server (3) and the RUs (4) are connected.

The present invention discloses a heterogeneous collaborative intelligent pesticide applicator structure for cash crops in hilly areas and a path tracking method thereof. It belongs to the field of agricultural machinery technology. It comprises a pesticide applicator body 1, a lifting frame 2 fixed at the front end of the pesticide applicator, a foldable pesticide applicator rod 4 fixed on the lifting frame, a medicine box bracket 9 fixed at the rear end of the pesticide applicator, and a medicine box 8 fixed on the bracket. The pesticide applicator body adopts a crawler-type double-layer platform design, including a crawler-type mobile chassis 11, a double-layer bracket 12, and a central controller and drive circuit control board 6, a water pump 7, a data acquisition and communication module 3, a drone 5 and a drone wireless charging platform 10 are fixed on the bracket; the data acquisition and communication module includes a laser radar 32, a visual sensor 31, a Beidou satellite antenna 33 and a radio receiver 34. The present invention designs corresponding structures and path tracking methods for pesticide application operations in hilly areas, and ultimately realizes precise pesticide application and path tracking of heterogeneous collaborative intelligent pesticide applicators.