71 results about "Multi carrier" patented technology

A terminal includes: a reception unit configured to receive, from a base station, a first signaling including at least information indicating a first cell used for performing multi-carrier scheduling by single control information; and a control unit configured to determine the first cell based on an information element for configuring a serving cell included in the first signaling. The reception unit receives the single control information in the first cell from the base station, and the control unit determines a plurality of scheduled second cells based on the single control information.

A terminal includes: a control unit configured to assume that there are a scheduling cell and a scheduled cell in multi-carrier scheduling by single control information; and a reception unit configured to receive the single control information from the scheduling cell. The reception unit receives a plurality of scheduled cells based on the single control information, and, in a case where the plurality of the scheduled cells include an unlicensed frequency cell, the control unit determines an applicable multi-channel access method or determines an applicable operation related to Type 2 HARQ (Hybrid automatic repeat request) codebook.

The application relates to the technical field of quantum secure communication, and discloses a multi-carrier continuous variable quantum key distribution system and method, which comprises a multi-carrier quantum key generation module, a multi-carrier quantum state preparation module, an optical fiber channel, a multi-carrier quantum state detection module and a multi-carrier quantum key processing module. The application effectively avoids the influence of the dispersion effect of the optical fiber channel on the wideband CV-QKD system, improves the data processing performance of the wideband and long-distance CV-QKD system under an ultra-low signal-to-noise ratio, realizes an N-way CV-QKD system with different modulation protocols, and guarantees high-flexibility, high-practicability and high-code-rate quantum secure communication.

The application discloses a kind of underwater acoustic communication sending control method and system, applied to the processor with multi-level storage and cache architecture.The method allocates double-buffered storage space in advance in physical storage area;Water acoustic communication data is handled to generate time domain digital signal sequence by multi-carrier digital modulation;In response to the filling completion state of data to the first buffer, cache coherency synchronization operation is performed to write the latest data in the cache of the processor back to the physical storage area;Subsequently trigger the hardware data carrying engine independent of kernel, and send data through external interface;During data carrying, fill the subsequent generated data to the idle second buffer.The application solves the problem of memory access conflict and data transmission break under high sampling rate through multi-level storage isolation and software and hardware collaborative zero-copy pipeline mechanism, and guarantees the high quality, high continuity sending of OFDM underwater acoustic signal.

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 carriers; acquiring information related to a plurality of resource block (RB) sets included in a first carrier from among the plurality of carriers; performing listen before talk (LBT) for a first RB set from among the plurality of RB sets; detecting a consistent LBT failure for the first RB set; and transmitting, to a base station, information related to the consistent LBT failure. For example, the information related to the consistent LBT failure can include information related to an index of the first RB set and information related to an index of the first carrier including the first RB set.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit capability information indicating: UE support for single transport block (sTB) scheduling when the UE is operating in a multi-carrier operation, and one or more conditions associated with the sTB scheduling when the UE is operating in the multi-carrier operation. The UE may receive, based at least in part on the capability information, at least one of: configuration information associated with the sTB scheduling when the UE is operating in the multi-carrier operation, or a scheduling communication that schedules an sTB-based transmission when the UE is operating in the multi-carrier operation. Numerous other aspects are described.

This disclosure provides methods and apparatuses for multi-carrier operation in wireless communication networks. In various examples, a user equipment (UE) obtains a first radio resource control (RRC) configuration associated with a first carrier, the first carrier being associated with a first cell, a first bandwidth part (BWP) configured for the first cell, or at least one RRC profile respectively including a set of RRC parameters. The UE generates, at least in part from the first RRC configuration, a second RRC configuration associated with a second carrier, the second carrier being associated with a second cell, a second BWP configured for the second cell, or the at least one RRC profile. The UE communicates, with a network entity, over the first carrier and the second carrier. The methods and apparatuses provide lower memory requirements, reduced signaling overhead, and reduced secondary cell (SCell) activation time.

The present application provides a method and device in a node used for wireless communications. A first node receives a first information block and a second information block; receives a first reference signal; and receives a first signal. The first information block is used to trigger a transmission of the first reference signal, a time interval between the first information block and the first reference signal is less than a first reference interval, and the first reference interval is a positive integer; the second information block is used to determine the first signal; the first reference signal and the first signal comprise a same multi-carrier symbol in time domain; the second information block is used to determine a first index, and the first index is used to determine whether a QCL parameter for receiving the first reference signal is related to a QCL parameter for receiving the first signal.

Example embodiments of the present disclosure are directed to resource allocation indication for multi-carrier single cell operation. A method comprises receiving, from a second apparatus, a dedicated uplink bandwidth part (UL BWP) configuration including information of carrier specific frequency domain resource grids of two or more carriers; in accordance with a determination that downlink control information (DCI) scheduling a UL data channel transmission is received, determining a frequency domain resource allocation (FDRA) for the uplink data channel transmission of the two or more carriers within the dedicated UL BWP based on one or more FDRA indications in the DCI; and transmitting the uplink data channel transmission based on the FDRA.

This disclosure provides systems, methods, and devices for wireless communication that support configuring associations between system information of at least one downlink (DL) anchor carrier and at least one random access channel (RACH) occasion (RO) of an uplink (UL) anchor carrier for initial access in flexible multicarrier operations. System information may be transmitted by a base station to a UE over the DL anchor carrier. In aspects, the at least one DL anchor carrier may be mapped to an UL anchor carrier, or to one or more candidate UL anchor carriers from which the UE may configurably select the UL anchor carrier, for initial access operations. In aspects, the UL anchor carrier and / or the one or more candidate UL anchor carriers may be respectively associated with one or more ROs. The UE may perform initial access operations over the UL anchor carrier using the associated one or more ROs.

Methods, systems, and devices are described that support techniques for wireless communications using multiple radio access technologies (RATs). Described techniques provide for dual-connectivity (DC), carrier aggregation, or both, in which different carriers are provided via different RATs. A multi-RAT DC configuration may include separate network entities that provide communications for different cell groups for different RATs, where dynamic power control may be implemented across RATs. Additionally, or alternatively, a multi-RAT carrier aggregation techniques may provide separate component carriers configured for carrier aggregation, where different component carriers that use different RATs. Combinations of DC and carrier aggregation may be provided, in which a cell group of a DC configuration may include multiple component carriers in a carrier aggregation scheme.

Example embodiments of the present disclosure are directed to resource allocation indication for multi-carrier single cell operation. A method comprises receiving, from a second apparatus, a dedicated downlink bandwidth part (DL BWP) configuration including information of carrier specific frequency domain resource grids of two or more carriers; determining the dedicated DL BWP based on the information; in accordance with a determination of a reception of a DL control channel configuration including respective control resource sets (CORESETs) of the two or more carriers within the dedicated DL BWP, determining frequency domain resources configured for the respective CORESETs based on a plurality of radio resource control (RRC) configurations or a single RRC configuration in the DL control channel configuration and monitoring downlink control information (DCI) based on the determination of the frequency domain resources.

The disclosure relates to the field of radar sensors, particularly to radar sensors for radar sensing using wireless communication signals. The method includes: receiving a reflected communication signal, wherein the reflected communication signal is a sent communication signal that is reflected by at least one object. The frequency of the sent communication signal is within a radar frequency range, and the sent communication signal includes a sent data payload, and the reflected communication signal includes a corresponding reflected data payload. The reflected data payload is compared with the sent data payload, resulting in a compared data payload; and a delay information and / or a velocity information of the at least one object is extracted from the compared data payload.

A method for transmitting interference offset information, includes: transmitting minimum offset information to a network device, where the minimum offset information is used to indicate a minimum offset between a center frequency point of an uplink interference signal and a center frequency point of an interfered signal in multicarrier transmission.

To improve the accuracy of distance estimation. [Solution] The distance estimation system 1 comprises a reference communication terminal 100 and a target communication terminal 10, each performing multi-carrier transmission, and an information processing device 500 that estimates the distance between the reference communication terminal and the target communication terminal according to the communication results between the reference communication terminal and the target communication terminal. The information processing device identifies a provisional distance estimate based on the received signal of the reference communication terminal transmitted and received between the reference communication terminal and the target communication terminal, removes the long-time delayed wave component from the received wave of the received signal based on the received signal from which the long-time delayed wave component has been removed, and estimates the distance based on the intensity of the distance spectrum within a predetermined search range of the distance including the provisional estimate.

The application provides a kind of multi-carrier multiplexing method and equipment based on non-orthogonal overlapping chirp signal, and relates to wireless communication technical field.The application generates time-frequency domain non-orthogonal overlapping chirp subcarrier at sending end and carries out data modulation and superposition, breaks through the upper limit of frequency spectrum efficiency of traditional orthogonal multiplexing technology.Receiving end carries out matching filtering to receiving signal and obtains mixed correlation value vector containing all subcarrier information, introduces and constructs equivalent channel matrix based on local subcarrier cross-correlation, accurately depicts the deterministic interference structure caused by non-orthogonal overlapping.After that, zero-forcing detection algorithm is used to jointly process correlation value vector using the equivalent channel matrix, so as to actively and systematically eliminate serious inter-subcarrier interference at receiving end.The application realizes high frequency spectrum efficiency transmission, solves the core demodulation problem caused by non-orthogonal overlapping, and guarantees the reliable signal recovery ability of system under strong interference.

The present invention improves estimation accuracy of a distance.　A distance estimation system (1) comprises: a reference communication terminal (100) and a target communication terminal (10) that each perform multicarrier transmission; and an information processing device (500) that estimates a distance between the reference communication terminal and the target communication terminal according to a result of communication between the reference communication terminal and the target communication terminal. The information processing device: specifies a tentative estimation value of the distance on the basis of a received signal of the reference communication terminal transmitted and received between the reference communication terminal and the target communication terminal; removes a component of a long-delay wave from a received wave of the received signal on the basis of the tentative estimation value; calculates a distance spectrum of the received signal on the basis of the received signal from which the component of the long-delay wave has been removed; and estimates the distance on the basis of an intensity of the distance spectrum in a predetermined distance search range including the tentative estimation value.

Example embodiments relate to apparatus, methods and computer programs relating to multi-carrier communciations in which a first apparauts determines, when the first apparatus is in a power saving state, a first indication for initiating a connection based on a set of carriers, wherein the set of carriers includes at least a primary carrier and at least a secondary carrier. The first apparatus, transmits, to a second apparatus of the communication system, a second indication of at least one combination of carriers from the set of carriers for initiating the connection. The first and second apparatus initiate the connection based on the second indication of the at least one combination of carriers.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit capability information indicating: UE support for single transport block (sTB) scheduling when the UE is operating in a multi-carrier operation, and one or more conditions associated with the sTB scheduling when the UE is operating in the multi-carrier operation. The UE may receive, based at least in part on the capability information, at least one of: configuration information associated with the sTB scheduling when the UE is operating in the multi-carrier operation, or a scheduling communication that schedules an sTB-based transmission when the UE is operating in the multi-carrier operation. Numerous other aspects are described.

Example embodiments of the present disclosure are directed to resource allocation indication for multi-carrier single cell operation. A method comprises receiving, from a second apparatus, a dedicated downlink bandwidth part (DL BWP) configuration including information of carrier specific frequency domain resource grids of two or more carriers; in accordance with a determination that downlink control information (DCI) scheduling a DL data channel transmission is received based on the DL control channel configuration, determining a frequency domain resource allocation (FDRA) for the DL data channel transmission of the two or more carriers based on one or more FDRA indications in the DCI and carrier specific frequency domain resource grids; and receiving the DL data channel transmission based on the FDRA.

The application discloses a kind of high-efficiency large-scale multi-carrier signal generation scheduling method and system, system includes: scheduling control module and memory control module;System includes: information reorganization and information splitting module, polling scheduling control module, memory read control and memory write control module.Information reorganization and information splitting module add relevant information according to waveform characteristics to the input information to be modulated, while the information to be output is split and output to modulator;Polling scheduling control module realizes the scheduling control function of the input and output information of multi-time slot, multi-band multi-carrier;Memory read control and memory write module complete the read-write control function of information.The scheduling control of large-scale multi-carrier signal in the application greatly reduces the storage requirement of large-scale information, while improving processing efficiency and processing capacity, and can meet the processing demand of large-scale signal under the limited resources of low-orbit satellite.

This application belongs to the technical fields of moving target state perception, digital signal processing, and programmable logic implementation. It discloses a motion attitude trend monitoring method based on all-digital multi-carrier signals, comprising: Step 1, generating orthogonal multi-carrier detection signals and simultaneously extracting the local reference clock edge; Step 2, receiving the echo information and converting it into an echo edge sequence; Step 3, measuring the fine time interval and outputting a time digital code; Step 4, constructing a reference phase sequence and an echo phase sequence based on the time digital code to obtain a stable phase difference sequence; Step 5, determining the target motion attitude trend based on the temporal variation characteristics of the stable phase difference sequence and outputting the recognition result. This application improves environmental adaptability in complex scenarios, perception capability under obstructed conditions, and anti-interference capability, and has advantages such as wide applicability, high recognition stability, and fast response speed.

1. The name of the design product: multi-carrier micro base station. 2. The use of the design product: the design product is used in the field of wireless communication, mainly for the transmission of network data and signals. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present application discloses a processing method, a communication device, and a storage medium. The method comprises: a terminal device determines a PUCCH slot on the basis of reference PDSCH reception and / or a slot indication. By means of the technical solution of the present application, a method for determining a PUCCH slot carrying HARQ-ACK feedback is specified for multi‑carrier multi‑PDSCH scheduled by a single PDCCH.

A method for sending capability information is performed by a user equipment, and includes: sending capability information to a network device, wherein the capability information indicates maximum sensitivity impairment (MSD) information supported by the user equipment in multi-carrier transmission.

Methods, systems, and devices are described for wireless communication at a user equipment (UE). The UE can identify a first set of frequency bands associated with a first subscription and a second set of frequency bands associated with a second subscription. The UE can determine that at least a first frequency band from the first set of frequency bands and at least a second frequency band from the second set of frequency bands share a same set of radio frequency (RF) front-end resources. The UE can then refrain from communicating on a third frequency band from the first set of frequency bands while communicating on the remaining set of frequency bands, where the third frequency band can be associated with a secondary component carrier (SCC) of a multi-carrier communication scheme. The refraining from communicating on the third frequency band can be based on the first frequency band and the second frequency band sharing the RF front-end resources and the third frequency band being associated with the SCC.

A method may include receiving, at a reinforcement learning load balancer, a load metric related to available resources of a carrier. The method may also include calculating, based on the load metric, an update to carrier assignment parameters for a user. The method may further include calculating, based on the load metric, an update to uplink / downlink split proportions and resource pool split proportions. In addition, the method may include predicting an impact of the update to the carrier assignment parameters, the update to the uplink / downlink split proportions, and the update to the resource pool split proportions to the load metric. Further, the method may include communicating the update to carrier assignment parameters, the update to uplink / downlink split proportions, and the update to resource pool split proportions to one or more radio resource managers of corresponding one or more radio access technologies for application to a communication network.

A wireless communication method for use in a first node is disclosed. The method comprises: modulating at least one data bit by using a pulse interval encoding (PIE), to generate a PIE signal in a plurality of orthogonal frequency division multiplexing (OFDM) sub-carriers, transforming the PIE signal in the plurality of OFDM sub-carriers from a frequency domain to a time domain, to generate at least one OFDM symbol, and transmitting, to a second node, the at least one OFDM symbol.

A real-time observation and data transmission system and method for offshore wind farms based on the seabed is disclosed, belonging to the field of marine environmental monitoring technology. The system includes a seabed-based data aggregation terminal, a data transmission cable, and a sea surface data relay platform. It utilizes the existing single conductive cable of the offshore wind farm as the sole signal conductor, with seawater and double grounding electrodes forming the signal transmission loop. DC and power frequency interference are blocked by an isolation circuit, frame synchronization is achieved using a composite frequency preamble signal, and multi-carrier combinations are adaptively switched according to the signal-to-noise ratio. This invention eliminates the need for laying dedicated communication cables, significantly reducing costs, and enables stable, low-latency real-time transmission of multi-parameter data in complex marine electromagnetic environments, providing reliable data support for wind farm operation and maintenance.

The present disclosure provides a method for controlling power, a terminal, a communication device and a storage medium, the method comprising: determining a first power value, the first power value being a sum of power values of multiple information to be transmitted; determining that the first power value is greater than a second power value, the second power value being a maximum transmission power value supported by the terminal; determining one or more first information from the multiple information; performing a power control operation on the one or more first information until a third power value is less than or equal to the second power value, the third power value being a sum of power values of the multiple information to be transmitted after the power control operation; and transmitting the multiple information through one or more carriers. The present disclosure reduces the energy consumption of the terminal, improves the availability and reliability of multi-carrier communication, and improves the availability of integrated sensing and communication technology.