4835 results about "Uplink transmission" patented technology

Logic may decode information on cross-link interference (CLI) measurement and report configuration received via a first downlink (DL) control information (DCI) from a first base station to comprise an identification of a communication resource within which to measure a sounding reference signal (SRS) or other uplink transmission and a definition for a CLI measurement report. Logic may measure the SRS or other uplink transmission based on the identification of the communication resource. Logic may generate the CLI measurement report based on measurement of the SRS or other uplink transmission. Logic may send the CLI measurement report. Logic may generate a CLI measurement and report configuration to comprise an identification of a communication resource within which to measure a SRS and a definition for a CLI measurement report. And logic may send the CLI measurement and report configuration via a DCI transmission to a first user equipment.

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.

A method and a device for performing uplink transmission / reception in a wireless communication system are disclosed. A method by which a terminal performs uplink transmission in a wireless communication system, according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, configuration information about one or more sets of SRS resources; receiving, from the base station, DCI for scheduling a PUSCH, the DCI including information related to one or more sets of SRS resources from among the one or more sets of SRS resources; identifying a method to be applied to the PUSCH from among a first method and a second method; and transmitting the PUSCH to the base station on the basis of the identified method.

The present invention relates to a terminal that receives information about slots in a time division duplex (TDD) system, receives information about a plurality of subbands on frequency domain resources, and performs uplink transmission on resources within a subband that is determined to be a subband for uplink transmission on the basis of the information about the plurality of subbands.

A wireless device transmits radio resource control (RRC) messages comprising capability parameters indicating support, for a layer 1 and / or layer 2 triggered mobility (LTM) procedure and within a measurement window, for synchronization signal block (SSB) based inter-frequency layer 1 reference signal received power (RSRP) measurement of a candidate cell with a received time difference, between the candidate cell and a serving cell, larger than a cyclic prefix (CP) length. The device receives RRC messages indicating a measurement window. The device receives a command indicating an uplink transmission of a L1 RSRP report of the candidate cell. The first cell and the candidate cell are inter-frequency configured. The device transmits the L1 RSRP report measured over one or more first SSBs of the candidate cell. The first SSBs are received: via the candidate cell with the received time difference being greater than the CP length, and within the measurement window.

A wireless device receives, via a serving cell, one or more radio resource control (RRC) messages comprising configuration parameters of a candidate cell for a layer 1 / 2 triggered mobility (LTM) procedure. The configuration parameters indicate a transmission power of a synchronization signal block (SSB) transmitted via the candidate cell. The wireless device receives a physical downlink control channel (PDCCH) order comprising a cell indicator indicating the candidate cell, an SSB index indicating the SSB of SSBs of the candidate cell, and a preamble index of a preamble. The wireless device transmits, via a physical random access channel (PRACH) occasion corresponding to the SSB of the candidate cell, the preamble using an uplink transmission power based on a measurement of a pathloss. The pathloss is determined based on the transmission power of the SSB, and a layer 3 filtered reference signal received power (RSRP) of the SSB.

The present invention relates to a wireless communication system and, more specifically, to a method wherein resource allocation information for downlink reception or uplink transmission is acquired, and if the downlink reception or uplink transmission is required on a sub-band slot / symbol, the downlink reception or uplink transmission is performed in consideration of sub-band operations, and a wireless device therefor.

A wireless transmit / receive unit (WTRU) may receive subband non-overlapping full duplex (SBFD) configuration information. The SBFD configuration information may be associated with subbands for uplink transmission and subbands for downlink reception. The WTRU may receive scheduling information associated with physical uplink shared channel (PUSCH) transmissions. The scheduling information may comprise a first frequency domain resource allocation (FDRA). The WTRU may transmit a first PUSCH transmission using a first frequency resource. The WTRU may determine that at least a second PUSCH transmission is to be sent using at least one OFDM symbol. The WTRU may determine that the first frequency resource overlaps. The WTRU may receive one or more of a second FDRA or a frequency offset for the second PUSCH transmission. The WTRU may determine a second frequency resource for transmitting the second PUSCH transmission. The WTRU may transmit the second PUSCH transmission using the second frequency resource.

An uplink transmission method and a communication apparatus are provided. In this method, based on an existing available-slot counting method, a terminal device and a network device determine, by using a newly added available-slot counting determining condition, whether a currently traversed time unit is available to transmit a multi-slot (Multi-slot) PUSCH / PUCCH. If the currently traversed time unit is the same as a first time unit type, the currently traversed time unit is available to transmit the multi-slot PUSCH / PUCCH. Otherwise, the currently traversed time unit is not available to transmit the multi-slot PUSCH / PUCCH.

According to an aspect of the present disclosure, a method for transmitting an uplink signal by a user equipment in a wireless communication system comprises: receiving information on a plurality of PUCCH resource sets; and on the basis of a first PUCCH resource associated with a first uplink signal and a second PUCCH resource associated with a second uplink signal, which overlap on a time domain, multiplexing the first uplink signal and the second uplink signal to a PUCCH resource included in one PUCCH resource set among the plurality of PUCCH resource sets, wherein the plurality of PUCCH resource sets are configured to have priorities, and the one PUCCH resource set is a PUCCH resource set having the highest priority from among the plurality of PUCCH resource sets.

Apparatuses, methods, and systems are disclosed for configuring a codebook corresponding to TPMI. One method includes receiving a codebook configuration from a network. The codebook configuration corresponds to an enhanced UL codebook-based transmission, the codebook corresponds to a TPMI, the TPMI corresponds to uplink transmission, and the TPMI corresponds to at least one layer. The method includes transmitting a set of SRSs. The method includes receiving the TPMI via a DCI for scheduling a PUSCH transmission. The DCI is received on a PDCCH, a PDSCH, or a combination thereof, and the DCI is decomposed into a first stage DCI and a second stage DCI. The method includes receiving a subset of codebook parameters corresponding to the TPMI in a second stage DCI. The second stage DCI is received in the PDCCH, the PDSCH, or a combination thereof.

An uplink transmission method and a communication apparatus are provided. In the method, when only a frequency hopping pattern of an uplink time unit is configured, a new rule is introduced to map positions of N starting frequency resources in the frequency hopping pattern of the uplink time unit to an uplink subband in a subband full duplex (SBFD) time unit, to obtain the N starting frequency resources in the frequency hopping pattern of the corresponding SBFD time unit.

A terminal according to one aspect of the present disclosure includes a receiving section that receives an antenna port indication when at least one of a demodulation reference signal (DMRS) type and a maximum length of the DMRS to be configured is not 1, and a control section that controls uplink (UL) transmission corresponding to two codewords, the UL transmission using a number of layers greater than four, based on the antenna port indication. According to one aspect of the present disclosure, UL transmission with the number of layers greater than four can be appropriately controlled.

A random access method and apparatus, a terminal, a network device, and a medium, are provided. The random access method includes: executing, by a terminal, random access in a random access mode, where the random access mode is used for determining resources used by a target transmission, and the target transmission includes at least one of the following: a Physical Random Access CHannel (PRACH) transmission corresponding to the random access or a target uplink transmission during a process of the random access.

Disclosed are a method and apparatus for transmitting and receiving a wireless signal in a wireless communication system. The method according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, first configuration information including a list of TCI states, the list of TCI states providing a reference signal for a QCL for a downlink channel and / or a reference for determining an uplink transmission spatial filter for an uplink channel; receiving, from the base station, second configuration information related to a CORESET, a plurality of CORESETs, which have different CORESET full indexes, being configured by the second configuration information; and receiving DCI from the base station.

A method performed by a terminal in a wireless communication system according to an embodiment disclosed herein comprises the steps of: receiving configuration information related to a plurality of control resource sets (CORESETs) from a base station; receiving downlink control information (DCI) from the base station; transmitting a random access preamble to the base station; and receiving a random access response (RAR) from the base station. The random access preamble is transmitted on the basis of an SSB index, and the SSB index is related to a first CORESET pool index or a second CORESET pool index.

The present disclosure is generally related to wireless communications technologies, network topologies, and communication device implementations, and in particular, to multipletransmission reception point (multi-TRP) uplink (UL) transmission schemes. The multi-TRP UL transmission schemes include timing advance (TA) associations for multi-TRP operation, channel state information (CSI) enhancements, and codebook structural enhancements. To enhance the performance of Rel-16 codebook, a new codebook structure is constructed by preserving the Rel-16 codebook structure in the spatial dimension (SD) and frequency dimension (FD) while extending the Rel-16 codebook in the time dimension (TD) using a mutually orthogonal Discrete Fourier Transform (DFT) basis.

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.

A first wireless device receives a radio resource control (RRC) message comprising a first configuration parameter indicating a sidelink priority threshold value. The first wireless device receives, from a second wireless device, a sidelink control information (SCI) comprising a channel occupancy time (COT) sharing indication indicating a COT with a duration starting from a first slot. The COT is initiated using a first type of channel access procedure. The first wireless device determines simultaneous transmissions scheduled in a carrier and within the COT. The simultaneous transmissions comprise an uplink transmission on an uplink and a sidelink transmission, of a multi-consecutive slots transmission (MCSt), on a sidelink. The first wireless device determines to transmit the sidelink transmission based on a priority value of the sidelink transmission being smaller than the sidelink priority threshold value and transmits the sidelink transmission within the COT using a second type of channel access procedure.

A base station and / or a wireless device may communicate for an access procedure. One or more uplink channel resources of an access procedure of a first type may be reserved and / or guaranteed for one or more uplink transmissions. One or more downlink symbols may not be configured for the one or more uplink channel resources.

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.

A wireless device receives a medium-access control (MAC) control element (CE) comprising a first field set to a first value indicating presence of a first transmission configuration indicator (TCI) state in a first TCI codepoint and a second field set to the first value indicating presence of a second TCI state in the first TCI codepoint or a second TCI codepoint. The wireless device transmits a power headroom report (PHR) for a cell. The PHR indicates a power headroom value determined based on the first TCI state in response to the wireless device being indicated with the first TCI state and the second TCI state and the wireless device not being indicated with a two-power headroom report mode parameter indicating to report two power headroom values.

A communication method and apparatus, and a terminal, and pertains to the field of wireless communication. The communication method according to an embodiment of this application includes: processing, by a terminal, a target transmission based on bandwidth capability; where the bandwidth capability of the terminal is a predetermined value, the predetermined value is less than or equal to 5 MHz, and the target transmission includes a first downlink transmission and / or a first uplink transmission.

According to some embodiments of the disclosure, a user equipment (UE) may: determine a first physical uplink control channel (PUCCH) resource for a first PUCCH transmission in a first time unit, wherein the first PUCCH transmission carries hybrid automatic repeat request acknowledgement (HARQ-ACK) information bits for at least one semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) reception, and the first PUCCH resource is on a first frequency domain part; and in the event that the first PUCCH resource overlaps a symbol not intended for an uplink transmission on a second frequency domain part, defer the first PUCCH transmission.

Embodiments of the present disclosure relate to methods and apparatuses for frequency domain resource assignment on multiple carriers scheduled by a single DCI. According to some embodiments of the disclosure, a UE may: determine a payload size of a DCI format, wherein the DCI format schedules a first plurality of carriers of a second plurality of carriers, wherein the second plurality of carriers is configured by a BS; receive, from the BS, the DCI format according to the determined payload size, wherein the first plurality of carriers is indicated by a first indicator of the DCI format or is configured by the BS; determine RBs assigned on the first plurality of carriers based on the DCI format; and receive downlink transmissions on the assigned RBs in the case that the DCI format schedules the downlink transmissions, or transmit uplink transmissions on the assigned RBs in the case that the DCI format schedules the uplink transmissions.

Systems, apparatuses, methods, and computer-readable media are provided for use in a wireless network for control signaling of uplink transmission for multiple antenna panels.

A terminal according to one aspect of the present disclosure includes: a receiving section that receives, when the terminal includes eight antenna ports, downlink control information (DCI) including a plurality of fields of at least one of a precoding information and number of layers field and a transmission precoding matrix indicator (TPMI) field for codebook-based physical uplink shared channel (PUSCH) transmission; and a control section that controls uplink transmission, based on the DCI. According to one aspect of the present disclosure, UL transmission using more than four antenna ports can be appropriately controlled.

This disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, for wireless communication. In one aspect of the disclosure, a method for wireless communication performed by a user equipment (UE) includes receiving cross-link interference (CLI) resource configuration information and angle-of-arrival (AoA) estimation configuration information, The method also includes receiving CLI associated with an uplink transmission transmitted by another UE, and determining a CLI value for the CLI based on the CLI resource configuration information. The method includes determining an AoA value associated with the CLI based on the AoA estimation configuration information, the AoA value corresponding to an estimated AoA at the UE associated with the uplink transmission. The method further includes transmitting CLI report data indicating the determined CLI value and AoA report data indicating the estimated AoA value. Other aspects and features are also claimed and described.

The invention discloses a method and an apparatus in a node for wireless communication. A node receives a first information block and a second information block, the first information block indicating at least one full duplex symbol; the first PUSCH is sent in N transmission opportunities, N is an integer greater than 1, and the second information block indicates N; wherein the N transmission opportunities comprise the transmission opportunities of at least one full duplex symbol, and the number of the transmission opportunities is N1; the transmission power of the first PUSCH is equal to a small value of a comparison between a first transmission power and a maximum output power, the maximum output power being dependent on a power level of a sender of the first PUSCH, a first parameter value being used to determine the first transmission power, the first parameter value being dependent on a first factor, the first factor being related to the N1, and a second parameter value being used to determine the first transmission power. The first parameter value is related to a BPRE value of the first PUSCH. The uplink transmission performance is improved.