735 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.

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.

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.

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.

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.

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.

An antenna system is configured for use with an electronic device having a housing. The antenna system includes a first antenna element configured to be disposed at a first location adjacent to a side of the housing and a second antenna element configured to be disposed at a second location adjacent to the side of the housing. The first antenna element includes a first body extending between a first lower end and a first upper end. The first body includes a first flat portion, a first arcuate portion, and a first cutout configured to facilitate dual-band radiation associated with the first antenna element. The second antenna element includes a second body extending between a second lower end and a second upper end. The second body includes a second flat portion, a second arcuate portion, and a second cutout configured to facilitate dual-band radiation associated with the second antenna element.

This terminal comprises: a communication unit that executes communication of uplink and downlink signals in a time-division duplex band; and a control unit that executes, in a case where a synchronization signal from an additional cell is set in a subband of the uplink signal, an operation related to uplink signal transmission in the subband of the uplink signal where the synchronization signal has been set.

Wireless circuitry can include a first filter circuit configured to output signals in a first frequency range, a second filter circuit configured to output signals in a second frequency range different than the first frequency range, and a signal combiner having a first input coupled to the first filter circuit and having a second input coupled to the second filter circuit. The wireless circuitry can further include a first switchable impedance matching circuit coupled between an antenna and the first filter circuit and a second switchable impedance matching circuit coupled between the antenna and the second filter circuit. The first and second filter circuits can be active filters such as lowpass-to-bandpass conversion filters operable in different frequency bands.

A terminal includes: a transmission unit configured to transmit information indicating a terminal capability related to uplink transmission switching to a base station; a reception unit configured to receive a configuration related to uplink transmission switching and uplink scheduling information from the base station; and a control unit configured to perform switching of a band for transmission, based on the configuration related to uplink transmission switching and the uplink scheduling information. The transmission unit includes, in the information indicating the terminal capability, information indicating a combination of three or more bands that support uplink transmission switching.

To provide a communication system capable of maintaining a FDD system communication between a base station apparatus and a terminal apparatus and reducing the weight and power consumption of a radio relay apparatus.SOLUTION: A service link and a feeder link use the same frequency band (shared frequency band) in which an FDD uplink band in which a plurality of frequency channels are adjacently arranged and an FDD downlink band in which a plurality of frequency channels are adjacently arranged are spaced apart from each other via a predetermined guard band. A radio relay apparatus includes a shared antenna, a frequency conversion unit that converts a frequency of an REV (reverse) link signal in a first frequency channel of an FDD uplink band into a frequency of a second frequency channel of an FDD downlink band, and converts a frequency of an FWD (foward) link signal in the second frequency channel of the FDD uplink band into a frequency of a first frequency channel of the FDD downlink band, and a single power amplifier that amplifies the REV link signal and the FWD link signal.SELECTED DRAWING: Figure 12

A terminal according to one aspect of the present disclosure includes a transmitting section that transmits a report including one or more pieces of state information regarding utilization of higher output power than nominal maximum output power corresponding to a band, and a control section that controls uplink transmission using the output power when the state information indicates that the utilization is possible. According to one aspect of the present disclosure, the coverage of UL transmission can be improved.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, configuration information indicating a downlink initial access signal (IAS) to random access channel (RACH) occasion association pattern, wherein the downlink IAS to RACH occasion association pattern indicates at least one of switching gaps between downlink IAS occasions and between RACH occasions or guard bands between RACH occasions. The UE may transmit, to the base station, a RACH message using a RACH occasion according to the downlink IAS to RACH occasion association pattern. Numerous other aspects are described.

Proposed is an operation method of a first device (100) in a wireless communication system. The method may comprise the steps of: acquiring information related to one or more first resources; carrying out channel sensing for a channel access procedure (CAP) related to the one or more first resources; and determining whether to trigger a reevaluation procedure or preemption procedure related to the one or more first resources, wherein the reevaluation or preemption of a resource, among the one or more first resources, for which the result of channel sensing for the related CAP is not idle is not transferred to a medium access control (MAC) layer.

A method for wireless communication by a user equipment (UE) includes receiving a message indicating a plurality of CORESETs, each of the plurality of CORESETs is associated with a respective PDCCH monitoring occasion of a plurality of overlapping PDCCH monitoring occasions. The method also includes receiving, on one or more component carriers in a same band, a plurality of simultaneous beams comprising a plurality of PDCCH candidates. The method further includes monitoring a set of PDCCH candidates, of the plurality of PDCCH candidates, that correspond to: a first CORESET associated with a first QCL-Type-D property, a second CORESET associated with a second QCL-Type-D property, and a set of monitoring CORESETs, wherein each of the set of monitoring CORESETs is associated with the first QCL-Type-D property or the second QCL-Type-D property, and wherein the first CORESET is prioritized based on a search space set index and a serving cell index.

A terminal includes a transmitting unit that performs uplink transmission using N (where N is a natural number equal to or less than M) bands selected from among M (where M is a natural number equal to or greater than 3) bands, and a control unit that, in a case where an instruction for transmission at one port is given and candidates of two or more band combinations are assumed, determines a band combination from among the two or more band combinations on the basis of a specific rule, in which the specific rule includes a rule that determines a priority order of a band to be associated with a transmission chain for the uplink transmission for each of the M bands.

Techniques are described for a system comprising memory and one or more processors in communication with the memory. The one or more processors may be configured to obtain network data of a plurality of access point (AP) devices at a site. The one or more processors may further be configured to determine a capacity on a first radio band for an AP device of the plurality of AP devices. The one or more processors may further be configured to determine an availability associated with the first radio band with respect to one or more neighboring AP devices of the AP device. The one or more processors may further be configured to perform, based on the capacity and the availability, an action.

This application describes mechanisms to manage closed-loop antenna selection for a wireless device. The wireless device transmits sounding reference signal (SRS) resources configured by a cellular wireless network in an SRS resource set and receive SRS indicator (SRI) values to indicate antennas for subsequent uplink transmission of one or more physical layer channels by the wireless device, including a physical uplink shared channel (PUSCH), a physical uplink control channel (PUCCH), and a physical random access channel (PRACH). The wireless device supplements the closed-loop antenna selection with an open-loop antenna selection and uses the open-loop antenna selection for non-PUSCH channels when a most recently SRI value can be considered stale. SRI-based closed-loop antenna selection is extended to frequency division duplexing (FDD) bands. Transmit precoding matrix indicator (TPMI) group values are also used to indicate differential transmit power capabilities of various antennas of the wireless device to the cellular wireless network.

A method by which a first device performs wireless communication, and a device for supporting same are provided. The method may comprise the steps of: acquiring information related to a plurality of physical sidelink feedback channel (PSFCH) transmission occasions including a first PSFCH transmission occasion and a second PSFCH transmission occasion; receiving a first physical sidelink shared channel (PSSCH) from a second device; and performing PSFCH transmission on the basis of at least any one of the plurality of PSFCH transmission occasions related to the first PSSCH.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an apparatus may apply digital predistortion (DPD) to a wideband signal by splitting the wideband signal into respective distinct sub-bands, and inputting the respective distinct sub-bands to a multi-dimensional DPD apparatus. The multi-dimensional DPD apparatus may apply DPD based at least in part on using a multi-band DPD kernel that processes the respective distinct sub-bands. The multi-dimensional DPD apparatus may implement the multi-band DPD kernel as a DPD kernel set, and the DPD kernel set may be implemented using any combination of one or more envelope delay line components, one or more envelope selection components, one or more look-up-table (LUT) components, one or more computation delay line components, one or more computation selection components, one or more combiner components, and / or one or more adder components. Numerous other aspects are described.

The invention discloses a wide-gain narrow-band bipolar LLC converter based on a coupling inductor and a control method. The wide-gain narrow-band bipolar LLC converter based on the coupling inductor comprises a first half-bridge module, a second half-bridge module, the coupling inductor, a first transformer Tr1, a second transformer Tr2 and a variable rectifier bridge. The invention aims to solve the problem of narrow voltage gain range of the existing bipolar direct-current converter for the charging station. By adopting the coupling inductor and the dual-mode control method, a wide voltage gain range can be realized in a narrow switching frequency range, the method can realize more than 6 times of voltage gain in a switching frequency range less than 2 times, and the method has the characteristics of simple topological structure and easiness in control.