1000 results about "Band notched" patented technology

The invention relates to the technical field of power grids, and discloses a port green power virtual energy storage aggregation regulation and control method, which comprises the following steps: acquiring an aggregation scene and resource data; generating a power hard constraint mapping and pile division execution reference by calculating a multi-band energy index and identifying a system power transfer characteristic; a local rapid control configuration set is generated by solving a virtual impedance feasible region and combining power hard constraint allocation compensation budget; and fusing a sub-pile execution reference (slow channel) generated based on the power hard constraint with a fast channel execution track obtained after local online execution compensation, performing priority arbitration under the constraint of the power hard constraint, and outputting a final execution power track. According to the invention, a double-layer regulation and control framework of slow channel planning and fast channel compensation is constructed, and through a core link of power hard constraint mapping, coordinated operation of fast and slow channels and safety and stability of the whole system are ensured, and fast and reliable dynamic support capability can be provided for a power grid.

Proposed are a method and device for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives a PPDU through a wide band from a transmission STA, and decodes the PPDU. The wide band is a 320 / 160+160 MHz band configured from a first band and a second band. When the first band is an 80 MHz band in which puncturing is performed in units of 20 MHz, the first band includes a first RU which is an aggregate of a 484RU and a 242RU. The second band is a 240 MHz band excluding the first band in the wide band, and includes a second RU which is an aggregate of three 996 RUs. The PPDU includes a control field and a data field. The data field is received via a first multi-RU which is an aggregate of the first and second RUs.

Proposed are a method and device for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives the PPDU from a transmission STA through a wideband and decodes the PPDU. The PPDU includes an STF signal. The STF signal is generated on the basis of a first STF sequence for the wideband. When the wideband is a 320 MHz band, the first STF sequence is a sequence including a M sequence and is defined as {M −1 M −1 −M −1 M 0 −M 1 M 1 −M 1 −M 0 M −1 M −1 −M −1 M 0 −M 1 M 1 −M 1 −M 0 −M 1 −M 1 M 1 −M 0 M −1 −M −1 M −1 M 0 −M 1 −M 1 M 1 −M 0 M −1 −M −1 M −1 M}*(1+j) / sqrt(2).

The invention discloses a multiplexing method and system for improving 5G mobile communication spectrum efficiency, and belongs to the technical field of dynamic spectrum multiplexing communication. The method comprises the steps of collecting real-time information, predicting spectrum availability and inter-band interference by utilizing a neural network model, generating a dynamic spectrum multiplexing strategy, issuing the strategy, adjusting parameters and continuously monitoring and optimizing. According to the method, an intelligent prediction model fusing MLP and LSTM networks is adopted, spectrum availability and inter-band interference prediction are provided, and prediction confidence information is generated; a self-adaptive multi-target intelligent optimization algorithm is applied, and the algorithm can dynamically adjust and optimize the weight according to a real-time network; local optimality judgment is carried out by combining local real-time information through the intelligent reconstruction capability of the 5G base station; and continuous monitoring and closed-loop optimization are realized by using an online learning mechanism. According to the invention, dynamic intelligent management of 5G network spectrum resources can be realized, and the 5G mobile communication spectrum efficiency is significantly improved.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

A dual-band, tri-band, or higher-order multi-band array of antenna elements, with each element, or subsets of elements, connected to multiple radios at each antenna port. In one embodiment, an array comprises a 128 element Massive MIMO array having 64 horizontally-polarized (H-pol) and 64 vertically-polarized (V-pol) elements configured to provide dual polarization capability over multiple bands to accommodate highly-configurable simultaneous 4G and 5G operation.

Apparatuses, methods, and systems are disclosed for UE assistance for no-LBT based unlicensed channel access. A processor (305) calculates a combined gain from a combination of an antenna configuration gain and a beamforming gain for at least one transmission beam. The processor (305) determines if the at least one transmission beam can be used for a no-LBT based channel access mechanism in an unlicensed band with or without a channel occupancy duration restriction based on the combined gain. The processor (305) transmits, via a transceiver (325), to a network node, information that indicates whether the at least one transmission beam can be used for a no-LBT based channel access mechanism in an unlicensed band with or without a channel occupancy duration restriction, or whether the network node can apply an LBT-based channel access mechanism, or some combination thereof.

A compact substrate integrated waveguide triangular cavity dual-band band-pass filter is sequentially provided with an upper metal layer, a dielectric layer substrate clamped between the two metal layers and a lower metal layer from top to bottom, and the upper metal layer is connected with the lower metal layer through a metalized via hole. The middle dielectric layer substrate and the middle dielectric layer substrate form a cavity filled with dielectric, and the shape of the cavity is an isosceles right triangle. The whole filter is composed of four isosceles right-angle triangular cavities, and the whole filter is of a square structure. According to the invention, the passband parallel connection technology and the harmonic coupling control technology are combined, and the mode cross coupling technology is used, so that double passbands are realized, a transmission zero point is generated on a transition band between the two passbands, and the isolation degree between signals passing through the two passbands is improved. In addition, the whole filter is very simple and compact in structure.

A method by which a terminal transmits an uplink signal in an unlicensed band, and an apparatus using same are provided. The method receives, from a base station, channel occupancy information through a PDCCH and transmits the uplink signal to the base station through a configured grant uplink access (CUL) type physical uplink shared channel (PUSCH) on the basis of the channel occupancy information. The channel occupancy information indicates which sub-band of a CUL band including a plurality of sub-bands enables the terminal to transmit the CUL type PUSCH within a channel occupancy time (COT) acquired by the base station through a channel access procedure.

The invention discloses a dual-band non-reflection filter based on a loaded composite spur line structure, which adopts an annular plane microstrip cascade coupling microstrip line structure to realize dual-band filtering response, and loads two pairs of complementary absorption branches to generate a plurality of reflection zero points to realize full-band absorption of signals reflected by an input / output port. A structure based on a composite spur line is loaded at an input / output port to realize higher harmonic suppression, and the spur line generates a stop band effect through coupling between lines, so that suppression of a parasitic passband is realized. In addition, the spur line structure is embedded into the microstrip line, so that the circuit size is effectively reduced, and the insertion loss in a passband can be effectively reduced. The circuit structure provided by the invention not only has the characteristics of simple and compact structure, planarization and easy integration, but also has the advantages of dual-band, band-pass filtering, full-band non-reflection and higher harmonic suppression.

A cargo controller is disclosed herein. The cargo controller includes a wireless emergency module including an ultra-wide band radio, the wireless emergency module configured to communicate with a plurality of cargo emergency stations of a cargo handling system using the ultra-wide band radio, a wireless control module configured to communicate with a cargo control station of the cargo handling system, a processor, a memory operatively coupled to the processor. The memory includes instructions stored thereon that, when executed by the processor, cause the processor to receive ultra-wide band radio signals from the plurality of cargo emergency stations, determine a location within the cargo handling system based on the received ultra-wide band radio signals, and transmit the location to the cargo handling system.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Provided are a method for a first device carrying out wireless communication, and a device supporting same. The method may comprise the steps of: acquiring information related to a plurality of physical sidelink feedback channel (PSFCH) occasions; acquiring information related to a slot offset between PSFCH-physical uplink control channel (PUCCH); transmitting, to a second device via a physical sidelink control channel (PSCCH), first sidelink control information (SCI) for scheduling second SCI and a physical sidelink shared channel (PSSCH); transmitting the second SCI and data to the second device via the PSSCH; generating HARQ feedback information for the plurality of PSFCH occasions; and reporting the HARQ feedback information to a base station on the basis of a PUCCH resource.

A combination drying mat, rack and storage container having a mat having a raised attachment wall extending therefrom, a container having an outer wall arranged to removably accept the raised attachment wall therein, and a rack pivotably secured to the container and arranged to move between a first position wherein the rack is resting upon the mat and a second position wherein the rack is tucked at least partially into an area within the container. In some arrangements, the combination drying mat, rack and storage container may further include a flexible and expandable band pivotably attached to the container, wherein the band is arranged to pivot and substantially secure the rack in the second position.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Various embodiments relate to a band flash butt welding machine by which it is possible to weld band faces of band ends of at least one band, in particular a saw band, to each other. The band flash butt welding machine comprises clamping elements for clamping the band ends. Furthermore, the band flash butt welding machine comprises aligning elements for aligning the band ends. The second clamping elements can be moved by a drive relative to the first clamping elements in the direction of a longitudinal axis. Two aligning elements are fixedly connected to one another by a coupling device, in particular a bridge part. The coupling device defines the relative alignment of the aligning elements. The second clamping element can be moved relative to the two aligning elements. This design is advantageous for a changeover of the band flash butt welding machine for band ends having a different geometry.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a channel state information (CSI) resource configuration indicating a linked pair of CSI reference signal (CSI-RS) resources for sub-band full duplex (SBFD) symbols, the linked pair of CSI-RS resources including a first CSI-RS resource on a first downlink sub-band and a second CSI-RS resource on a second downlink sub-band. The UE may receive a first CSI-RS in the first CSI-RS resource on the first downlink sub-band and a second CSI-RS in the second CSI-RS resource on the second downlink sub-band. The UE may transmit a CSI report including at least one CSI metric associated with measurements of the first CSI-RS and the second CSI-RS. Numerous other aspects are described.

New radio download numerology allocation information may be obtained through master information block data, system information block data, radio resource control signals, or signals or a physical downlink numerology indication channel, and used along with a reference signal detected in a search space to obtain resource element positions in an antenna port reference signal in a resource block that belongs to a particular band slice according to a reference signal allocation scheme for a band slice numerology. A physical download control may then be decoded based upon one or more resource elements of the reference signal, allowing the connection of, e.g., an enhanced mobile broadband, massive machine type communication, or ultra-reliable / low-latency application to a communications network thereby. Alternatively, multiple physical downlink control channels may be blindly demodulated at each of a number calculated reference signal locations, and one channel selected based on passing a cyclic redundancy check.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Embodiments relate to patch antennas and devices utilizing patch antennas. Some embodiments comprise at least two different arrays of conductive patches arranged on one side of a dielectric substrate. Each of the at least two arrays of conductive patches supports a different frequency band. Moreover, each of the at least two arrays of conductive patches is provided with separated feeding. Additionally, each conductive patch of one or more of the at least two arrays of conductive patches is implemented as a combination two conductive sub-patches separated by a gap. In some embodiments, the patch antenna is suitable for integration into a display structure of a UE or other device.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The present application relates to the technical field of artificial intelligence, and in particular to a speech enhancement model training method and apparatus, an electronic device and a storage medium. The method comprises: in each iterative training of an initial speech enhancement model, by means of an input layer, extracting a first audio feature of a speech signal to be enhanced; performing band compression on the first audio feature by means of a band compression layer to obtain a second audio feature having undergone dimension reduction; performing feature mapping on the second audio feature in a loop iteration mode by means of a feature mapping layer to obtain a third audio feature, wherein in the loop iteration process, the number of output channels of the feature mapping layer is gradually increased; and inputting the third audio feature into an output layer to obtain estimated gain information, and incorporating real gain information, performing parameter adjustment on the initial speech enhancement model. The present application can ensure the processing effect of a trained model, and reduce the operation complexity to increase the operation speed, thereby meeting the real-time operation requirement, and improving the communication experience.

An electronic device according to an embodiment includes: an ultra-wide band (UWB) communication module including a plurality of antennas, and a processor operatively connected to the UWB communication module, wherein the processor is configured to: measure a first coordinate of a first external device and a second coordinate of a second external device generated based on signals received from the first external device and the second external device using the plurality of antennas, generate a first coordinate system based on the electronic device corresponding to the measured first coordinate and second coordinate, and regenerate a second coordinate system through reconfiguration of the first coordinate system based on the first external device.

A method for activating a vehicle function using portable user equipment communicating via ultra-wide band with an activation device on the vehicle. The activation of the vehicle function is carried out as a function of a position of the portable equipment relative to a boundary between an internal zone and an external zone of the vehicle. The activation method including: previously equipping the vehicle with an internal and external antennas; determining the presence of the portable equipment in an authorization zone around the vehicle; storing a power delay of the multi-path ultra-wide band signals received by each antenna according to time; determining an attenuation delay of the received power; comparing the attenuation delay with at least one reference delay; determining whether the portable equipment is located in the internal zone or in the external zone; activating the vehicle function corresponding to the position of the portable equipment.

To provide a terminal and a communication method for early indicating to a base station (gNB) a function newly introduced in repetition of Msg3 of an SBFD (subband non-overlapping full duplex) symbol.SOLUTION: In a mobile communication system, a terminal 200 that performs communication with a base station using a first time unit in which downlink and uplink can be simultaneously used by a plurality of subbands constituting a time division duplex band and a second time unit in which one of downlink and uplink can be used by applying a time division duplex band includes: a control part that sets a random access opportunity in the first time unit; and a transmission part configured to transmit a first message and a third message of a random access procedure using a random access opportunity. The control part generates control information indicating whether to support repetition of the third message in the first time unit, and the transmission part transmits the control information to the base station.SELECTED DRAWING: Figure 20

An example user equipment (UE) device for wireless communication includes a communication interface; and one or more processors coupled to the communication interface, wherein the one or more processors are configured to: select a first cyclic prefix extension (CPE) for a transmission over a shared sidelink band via the communication interface; perform a listen before talk (LBT) procedure on the shared sidelink band; in response to the LBT procedure, determine that the shared sidelink band is LBT-blocked; in response to the shared sidelink band being LBT-blocked, select a second CPE larger than the first CPE; and transmit the second CPE and the transmission over the shared sidelink band via the communication interface.

A method and device for transmitting and receiving signals in a wireless communication system, disclosed in the present specification, perform uplink switching among three or more bands. Here, an uplink switching gap may be set to a maximum value among switching sections for each of associated band pairs.

An electronic device according to various embodiments may comprise: a housing; an antenna structure comprising a substrate, which comprises a first substrate surface facing a first direction and a second substrate surface facing a second direction opposite from the first substrate surface, and at least one antenna element disposed on the substrate so as to form a beam pattern in the first direction; a first support part disposed so as to at least partially correspond to the second substrate surface; a conductive bracket comprising at least one conductive extension part disposed higher than the second substrate surface with respect to the first support part; and a wireless communication circuit configured to transmit and / or receive a wireless signal in a designated frequency band by means of the at least one antenna element.