7065results about "Modulated-carrier systems" patented technology

This application provides a communication method and apparatus for reducing energy consumption while maintaining normal communication of a network apparatus. In the method, a terminal apparatus obtains operation mode information of a network apparatus, where an operation mode of the network apparatus includes one of a first operation mode or a second operation mode, and the first operation mode and the second operation mode belong to a same radio access technology. In the first operation mode, a transmission resource for a synchronization signal of the network apparatus has lower overheads or supports fewer functions. Alternatively, an access procedure in the first operation mode is different from an access procedure in the second operation mode. Based on the operation mode information, the terminal apparatus performs communication with the network apparatus by using the configuration information in one of the first operation mode and the second operation mode.

Disclosed are techniques for wireless communication. In an aspect, a reconfigurable intelligent surface (RIS) transmits a sounding reference signal (SRS) transmission request message to a base station serving a user equipment (UE), the SRS transmission request message including one or more SRS transmission properties to be used by the base station to configure the UE to transmit SRS, receives a response message from the base station, the response message indicating one or more SRS configurations the UE is configured to use to transmit SRS, the one or more SRS configurations based on the one or more SRS transmission properties, and measures a plurality of SRS transmissions from the UE with a plurality of receive beams to determine a best receive beam for receiving uplink transmissions from the UE, wherein the plurality of SRS transmissions is based on at least one SRS configuration of the one or more SRS configurations.

Wireless sensing using classifier probing and refinement is described. In one example, a described method comprises: computing output analytics by a classifier based on input data constructed based on raw measurement data; mapping each output analytics to a respective mapped outcome; identifying at least one reference input data each associated with a reference output analytics and a reference mapped outcome; each reference input data being one of the input data for the classifier for which a respective reference outcome is available and is different from the reference mapped outcome; and for each reference input data for the classifier: computing a respective plurality of perturbed output analytics by the classifier, generating selected perturbed input data based on the plurality of perturbed output analytics; and re-training the classifier based on the selected perturbed input data and the associated reference outcome.

Logic may send information on cross-link interference reference signal (CLI-RS) resource and measurement configuration via an interface to a second base station, the CLI-RS resource and measurement configuration to comprise an identification of a communication resource within which to measure the CLI-RS. Logic may cause transmission of the CLI-RS. Logic may receive the CLI-RS measurement report based on measurement of the CLI-RS based on a definition for a CLI-RS measurement report from the second base station via the interface. Logic may decode information on CLI-RS resource and measurement configuration received via the interface from a first base station. Logic may measure the CLI-RS based on identification of the communication resource. Logic may generate the CLI-RS measurement report based on measurement of the CLI-RS. And logic may send the CLI-RS measurement report to the first base station.

The invention discloses a method for identifying a multi-model fusion signal modulation mode based on a time-frequency diagram, and belongs to the field of signal processing. Preprocessing the original signal to obtain a signal sample; constructing a data set by using the normalized signal samples; constructing a fusion model; training a modulation identification module in the fusion model; performing modulation mode identification on an input unknown signal by using the fusion model to obtain a preliminary identification result; and performing comprehensive judgment on the preliminary recognition result of the fusion model by using a comprehensive judgment device to obtain a final recognition result. According to the invention, by combining a plurality of time-frequency analysis methods, the time-frequency domain feature information of the signal is fully extracted; the reliability and robustness of a final decision are improved by adopting a multi-model fusion framework, and the modulation recognition performance of the system under the condition of a low signal-to-noise ratio is improved.

Aspects of the present application relate to a multi-link and / or multi-carrier serving cell configured to enable a flexible, multi-connectivity framework among terrestrial network carriers and non-terrestrial network carriers. Within the multi-link serving cell, uplink carriers and downlink carriers in paired spectrum or unpaired spectrum may be decoupled from each other and or may be shared across different link-types. Multiple downlink carriers may be configured within a single cell (i.e., within a single, multi-carrier cell) and each uplink carrier may be associated with, or linked to, multiple downlink carriers.

A wireless communication method includes the following. A user equipment (UE) receives a network discontinuous communication configuration sent by a base station, where the network discontinuous communication configuration includes a network discontinuous communication configuration for a cell and / or a network discontinuous communication configuration for the base station.

A method performed by a WTRU may include receiving a random access channel (RACH) configuration indicating a plurality of RACH occasions. The RACH occasions within respective subsets are frequency division multiplexed. The method includes receiving configuration information indicating at least one transmit power threshold and information indicating resources associated with a mode of operation, and receiving criteria for selecting a RACH occasion that defines a group of RACH occasions from at least one subset that overlap with at least one uplink subband. The method includes sending a preamble transmission using a calculated transmit power in a selected RACH occasion, wherein, on a condition the calculated transmit power exceeds the transmit power threshold, the selected RACH occasion is selected from the defined group of the plurality of RACH occasions that overlap with the at least one uplink subband.

Power saving techniques are described for paging operation. An example wireless communication method includes receiving, by a communication node, a signal-based wake up signal (WUS) that includes L symbols in time domain or a channel-based WUS that is included in a channel, where the signal-based WUS or the channel-based WUS is associated with the communication node or with a group to which the communication node belongs, and where the signal-based WUS or the channel-based WUS includes an indication information that indicates whether the communication node is triggered to monitor a paging occasion, and determining, by the communication node, whether to perform a paging related operation based on the indication information.

Provided is a terminal for transmitting information. The terminal includes a memory and a processor, wherein the memory stores at least one program code, and the processor is configured to load and execute the at least one program code, to cause the terminal to: report assistance information in a case that a first condition is satisfied, wherein the assistance information indicates service information of the terminal, the service information comprising at least one of a service characteristic of the terminal, remaining service information of the terminal, or remaining data information of the terminal.

Wireless sensing using classifier probing and refinement is described. In one example, a described method comprises: computing output analytics by a classifier based on input data constructed based on raw measurement data; mapping each output analytics to a respective mapped outcome; identifying at least one reference input data each associated with a reference output analytics and a reference mapped outcome; each reference input data being one of the input data for the classifier for which a respective reference outcome is available and is different from the reference mapped outcome; and for each reference input data for the classifier: computing a respective plurality of perturbed output analytics by the classifier, generating selected perturbed input data based on the plurality of perturbed output analytics; and re-training the classifier based on the selected perturbed input data and the associated reference outcome.

Disclosed are a method and an apparatus for uplink transmission in a communication system. An operation method of a terminal includes: receiving, from a base station, first SFI information indicating n flexible symbol(s); receiving, from the base station, second SFI information re-indicating m symbol(s) of the n flexible symbol(s) as uplink (UL) symbol(s); and transmitting an SRS to the base station through the m symbol(s) re-indicated as a UL symbol among the n flexible symbol(s) indicated as a flexible symbol. Therefore, performance of the communication system can be improved.

The present disclosure provides a user equipment and a method executed by the user equipment. A method executed by a user equipment UE, includes: determining whether a reference signal for positioning collides with other downlink signals and / or channels, and / or other uplink signals and / or channels; and determining a behaviour of the UE according to a result of the determination.

A method for receiving a downlink channel by a terminal in a wireless communication system includes: receiving, from a base station, first information related to a guard band in a first resource region located in one carrier; receiving, from the base station, second information related to multiple resource sets, each of which is identified by the guard band in the first resource region on the basis of the first information; and receiving, from the base station, a downlink channel on a resource indicated by the second information to be available for reception of the downlink channel.

The present disclosure relates to a method and an apparatus for operating in a wireless communication system, the method comprising the operations of: receiving configuration information related to CSI prediction; and deriving predicted CSI for a second time point later than a first time point from CSI for the first time point, based on the configuration information, wherein based on the predicted CSI satisfying an event, actual CSI for the second time point, measured from a reference signal is transmitted, and wherein based on the predicted CSI not satisfying the event, CSI reporting for the second time point is dropped.

Systems and methods are disclosed that provide Time Domain Orthogonal Cover Codes (TD-OCC) over nonconsecutive Demodulation Reference Signal (DMRS) symbols. In one embodiment, a method performed by a radio node comprises estimating channel characteristics or receiving channel characteristics through signaling and, depending on the channel characteristics, performing DMRS Orthogonal Cover Code (OCC) decoding based on either: (a) sub-length orthogonal Frequency Domain OCC (FD-OCC) combined with sub-length orthogonal TD-OCC over one or more additional DMRS symbols or (b) FD-OCC. In this manner, more orthogonal DMRS ports can be supported.

A user equipment (UE) is configured for supporting positioning using sounding reference signal (SRS) periodic burst transmissions that includes a plurality of sets of SRS transmissions, where each set of SRS transmissions includes a repetition of SRS resources. The configuration for the SRS periodic burst transmissions includes a start time for the SRS periodic burst transmissions, a repetition configuration for the SRS resources within each set, and a repetition configuration for the plurality of sets of SRS transmissions. The configuration may be received in a Radio Resource Control (RRC) configuration message or a Medium Access Control-Control Element (MAC-CE) message that activates the SRS periodic burst transmissions, and the SRS periodic burst transmissions may be deactivated with a RRC reconfiguration message or another MAC-CE message.

Semantic analysis is performed on semantic data of content and / or a service that are / is historically requested by a user, to obtain intent data corresponding to the content / service historically requested by the user. After the intent data and the content and / or the service that are / is historically requested by the user (namely, historical data of the content and / or the service that are / is requested by the user) are fused, fused data is analyzed by using a deep learning algorithm, to obtain intent prediction information of the user. Advance deployment of a network architecture and advance configuration of a network resource are performed based on the intent prediction information of the user, so that the network resource is allocated correctly, properly, and in time, and proper and effective deployment of the network architecture is ensured, thereby improving communication efficiency.

Disclosed are a method and device for performing uplink transmission and reception in a wireless communication system. A method for a terminal to perform uplink transmission and reception in a wireless communication system according to an embodiment disclosed herein may comprise the steps of: receiving configuration information related to a serving cell from a base station, the configuration information including information about a plurality of TAGs associated with the serving cell; receiving DCI including first instruction information and second instruction information from the base station; and performing at least one of first uplink transmission or second uplink transmission on the basis of at least one of the first instruction information or the second instruction information.

Methods, systems, and devices for configurations for reference signaling in mobile communication technology are described. An example method for wireless communication includes transmitting, by a network node to a wireless device, a first signaling comprising information associated with a first reference signal, the information comprising at least one of a configuration of the first reference signal, an update information of the first reference signal, or a valid period of the first reference signal.

Extension of power efficient paging in a wireless network. In some examples, information is buffered for a time period corresponding to a paging slot, or both the paging slot and at least one adjacent slot. The buffered control information is processed to detect paging downlink control information (DCI) and a tracking reference signal (TRS). Based on the processing, the paging message is scheduled in a physical downlink shared channel (PDSCH) in the paging slot. In some examples, quasi-co-located (QCL) processing may be performed on the TRS and the paging DCI paging message, and a paging message is scheduled, based on the QCL processing, in a physical downlink shared channel (PDSCH) in a same or offset paging slot.

A wireless communication method includes: receiving, by a target device, a plurality of backscatter signals transmitted by each of a plurality of anchor devices, where the plurality of backscatter signals have different frequencies; and determining distance information between the target device and each anchor device according to phase information of the plurality of backscatter signals transmitted by each anchor device, where the distance information between the target device and the plurality of anchor devices is used to determine location information of the target device.

A user equipment (UE) having PC5-RRC connection with other UE is described. The UE may comprise transmission circuitry configured to transmit, to the other UE, a reference signal for sidelink positioning; and higher layer processing circuitry configured to acquire a PC5-RRC message including a measurement result of sidelink positioning.

A method by which a first device performs wireless communication and a device supporting same are provided. The method may comprise the steps of: acquiring information related to a resource for a sidelink-synchronization signal block (S-SSB); acquiring information about a first time domain for a first cyclic prefix extension (CPE) related to S-SSB transmission; performing the first CPE during the first time domain before the S-SSB transmission; and performing the S-SSB transmission on the basis of the resource.

This application provides a communication method and apparatus, and relates to the field of communication technologies. An AP generates a trigger frame, where the trigger frame includes a first user information field, a part or all of a frequency domain resource indicated by a resource unit allocation subfield in a fourth user information field before the first user information field is located on a primary 160 MHz channel, and a part or all of a frequency domain resource indicated by a resource unit allocation subfield in a fourth user information field after the first user information field is located on a secondary 160 MHz channel. Then, the AP sends the trigger frame.

Wireless sensing using measurement enhancement is described. In one example, a described method comprises: receiving a wireless signal transmitted by a transmitter through a wireless multipath channel of a venue, wherein the received wireless signal differs from the transmitted wireless signal due to the wireless multipath channel and a motion of an object in the venue; obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the received wireless signal, wherein each channel information (CI) comprises N1 CI components (CIC); for each respective CI having N1 CIC of the TSCI, computing a respective enhanced CI (ECI) having N2 CIC; computing a motion information (MI) based on the ECI of the TSCI; and performing a sensing task based on the MI.

The disclosure provides a wireless communication method, a base station, and a user equipment (UE) for processing a synchronization signal block (SSB) for an extended device type, including but not limited to a device type of RedCap UE. The base station determines a pattern of the SSB for the extended device type, comprising location information of radio resources allocated to a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) of the SSB, a pattern of demodulation reference signal (DMRS) and periodicity of SSB bursts for the extended device type. The SSB for the extended device type may be transmitted by the base station and received by the UE during a random access procedure.

This application provides a method and a communication apparatus. The method includes: receiving a random access message of a first-type random access procedure, wherein the random access message of the first-type random access procedure comprises a random access preamble and uplink data; and sending first downlink control information (DCI) or second DCI within a first window, wherein the first DCI is for scheduling a first physical downlink shared channel (PDSCH) that carries a first response message for the random access preamble, and the second DCI is for scheduling a second PDSCH that carries a second response message for the random access message.

A method by which a terminal operates in a wireless communication system, according to one embodiment, comprises the steps of: receiving time difference of arrival (TDoA) slots from anchor nodes (ANs); and measuring the position of the terminal by using the TDoA slots, wherein the TDoA slots include control information of the ANs and positioning reference signals (PRSs) of the ANs.

Disclosed are a method and device for channel allocation in multi-access point operation in a wireless LAN system. A method performed by a first access point (AP) in a wireless LAN system according to an embodiment disclosed herein may comprise the steps of: transmitting channel-related information of the first AP to a second AP; receiving resource allocation information, related to multi-access point operation, from the second AP; and exchanging frames, with one or more STAs associated with the first AP, on a specific resource based on the resource allocation information.