10033results 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.

Disclosed are systems, apparatuses, processes, and computer-readable media to determine a location of a device using carrier phase positioning. A process includes transmitting, at the device to a network entity, a phase measurement capability of a device (e.g., a user equipment (UE)) for subcarrier set pairs of different resources received by the device. The different resources are associated with a reference signal. The process can include receiving, at the device, a phase measurement request from a network entity for configuring phase measurements of the subcarrier set pairs of the different resources. The process can include transmitting a phase measurement report to the network entity based on the phase measurement request, the phase measurement report including information associated with a measured phase difference of at least one subcarrier set pair associated with the different resources.

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.

Provided is a method for wireless communication. The method includes: transmitting, by an access point device, a first signal, wherein the first signal comprises a first signal portion and a second signal portion, wherein the first signal portion is transmitted over a conventional 802.11 radio interface, and the second signal portion is transmitted over a zero-power radio interface, the first signal portion comprising a first preamble signal.

The disclosure relates to a method and apparatus for transmitting and receiving signals in a wireless communication system. A user equipment (UE) according to an embodiment of the disclosure may receive information about a resource for uplink (UL) control information transmission and MA signature configuration, determine based on the resource for UL control information transmission whether the resource allocated for the UL control information transmission overlaps a resource allocated for UL data transmission, determine whether to multiplex the UL control information when it is determined that the resource allocated for the UL control information transmission overlaps the resource allocated for UL data transmission, and based on a result of the determining, multiplex the UL control information with UL data based on the information about the MA signature configuration and transmit a result of the multiplexing.

A first communication node (12) in a wireless communication network (10) monitors for a cell-specific wake-up signal (20). The first communication node (12) may monitor for the cell-specific wake-up signal (20) with a wake-up receiver (12W). The first communication node (12) in particular may monitor for a cell-specific wake-up signal (20) that is any of multiple cell-specific wake-up signals (20) in a set. In some embodiments, the set is re-used for different sets of cells. Alternatively or additionally, the set may include cell-specific wake-up signals (20) that are based on multiple respective binary sequences, based on different codewords of a binary error correcting code, based on different orthogonal sequences in a set, composed of different sets of Zadoff-Chu sequences with different roots, composed of the same set of Zadoff-Chu sequences with different cyclic shifts, or a function of different cyclic shifts of a root wake-up signal formed by multiple Zadoff-Chu sequences with different roots.

Methods and apparatuses for an operation for configurations for on-demand SIB1 in a wireless communication system is provided. A method of a user equipment (UE) includes receiving, from a cell of a first base station (BS), a first synchronization signals and physical broadcast channel (SS / PBCH) block; determining, based on an indication in a physical broadcast channel (PBCH) of the first SS / PBCH block, a first value of kSSB; and determining, based on the first value of kSSB, whether the cell is associated with an on-demand system information block 1 (SIB1). The method further includes transmitting, based on a determination that the cell is associated with the on-demand SIB1, a request for the on-demand SIB1 to a second BS and receiving the on-demand SIB1.

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.

The present disclosure relates to a communication technique and system for combining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system. According to an embodiment of the present invention, a method of a terminal supporting subband non-overlapping full duplex (SBFD) in a wireless communication system may comprise the steps of: receiving time duplex division (TDD) resource configuration information and SBFD resource configuration information from a base station; determining respective indexes of first random access channel (RACH) occasions that are commonly valid in the TDD resource configuration information and the SBFD resource configuration information; and determining respective indexes of second RACH occasions that are invalid in the TDD resource configuration information and are valid in the SBFD resource configuration information.

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.

Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.

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.

Certain aspects of the present disclosure provide a method for wireless communications at a user equipment (UE). The UE may transmit an indication of a limit on a number of switching points (or transition points) between one or more first symbols configured for sub-band full duplex (SBFD) communications and one or more second symbols configured for non-SBFD communications, within a period of time. The UE may receive a configuration for the SBFD communications, which is in accordance with the indication.

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.

Provided are a method and a device for performing downlink transmission and reception and uplink transmission and reception in a wireless communication system. A base station transmits subband configuration information for full duplex communication to a terminal. The terminal performs downlink reception or uplink transmission through a subband based on the received subband configuration information. The subband configuration information includes subband frequency resource allocation information, and the location of the frequency resource allocation information of the subband is based on a common resource block (CRB).

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.

This application discloses a random access resource configuration method and apparatus, a terminal, and a network-side device, pertaining to the field of mobile communication. The random access resource configuration method includes: receiving, by a terminal, first configuration information from a network-side device, where the first configuration information is used for configuring a first RO resource set and / or a second RO resource set for random access signal repetition transmission; determining, by the terminal, an association relationship of RO resources in the first RO resource set and / or the second RO resource set; and determining, by the terminal, N RO resources based on the association relationship of the RO resources to perform N random access signal repetition transmissions; where the first RO resource set includes at least one of the following: a RO resource for 4-step RACH; a RO resource for 2-step RACH; and a RO resource for Msg3 repetition transmission.

In an aspect, a sidelink device may reserve a first sidelink resource for transmission of a first positioning reference signal (PRS) by the sidelink device. The sidelink device may reserve at least one further sidelink resource for transmission of at least one further PRS by at least one further sidelink device, wherein the at least one further sidelink resource occurs within a first time threshold of the first sidelink resource.

A method by which a terminal transmits, in a wireless communication system, a reference signal for positioning is disclosed. Particularly, the disclosure can comprise: receiving information related to a cell list including at least one cell; receiving one or more downlink signals from the at least one cell; determining the transmission power of the reference signal on the basis of the reception power of a specific downlink signal from among the one or more downlink signals; and transmitting the reference signal on the basis of the transmission power.

The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting higher data transmission rates, and discloses a method for transmitting a sounding reference signal (SRS) in a wireless communication system are provided. The method includes receiving configuration information including a first configuration for SRS resource sets, identifying, based on the first configuration, that a usage of the SRS resource sets is configured to antenna switching, and transmitting the SRS, based on x antennas among y reception antennas of an electronic device, wherein y is a natural number of 6 or larger, x is a natural number of y or smaller, and the number of the SRS resource sets associated with the SRS transmission may be determined based on whether capability information about the electronic device associated with the resource type of the SRS is reported in the time domain.

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.

Disclosed is a method comprising receiving, by a first terminal device, from a second terminal device, a first message indicating a first set of resource configurations for transmission of a reference signal to the second terminal device: transmitting, by the first terminal device, a second message indicating a second set of resource configurations for the transmission of the reference signal to the second terminal device, wherein the second set of resource configurations are generated based at least partly on the first set of resource configurations; receiving, by the first terminal device, from the second terminal device, a third message indicating a resource configuration to be used for the transmission of the reference signal to the second terminal device; and transmitting, by the first terminal device, to the second terminal device, the reference signal based at least partly on the resource configuration indicated in the third message.

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.