6872 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 uplink transmission / reception in a wireless communication system is disclosed. According to one embodiment of the present disclosure, a method by which a terminal performs uplink transmission in a wireless communication system may comprise the steps of: transmitting, to a base station, information related to a time reference adjustment value, on the basis of a predetermined threshold value for the time reference adjustment value; and performing uplink transmission on the basis of the information related to the time reference adjustment value.

Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. According to this solution, a terminal device detects a beam failure on a first component carrier (CC). The terminal device applies at least one ne quasi co-location (QCL) parameters as the ones associated with a first reference signal for downlink reception on the first CC until a first timing, or applies a spatial domain filter as the one associated with the first reference signal or as for a physical random access channel (PRACH) transmission for uplink transmission on the first CC until the first timing. In this way, the failed CC can still be under control of common beam update / activation.

There is inter alia disclosed a user equipment. UE, for transmitting at least two parallel uplink transmissions associated with a common uplink information payload and including a first uplink transmission and a second uplink transmission, comprising means for:—receiving information indicative of a common frequency-domain resource allocation for the at least two parallel uplink transmissions:—determining, a first frequency-domain resource allocation for the first uplink transmission and a second frequency-domain resource allocation for the second uplink transmission at least based on the common frequency-domain resource allocation and on frequency-domain multiplexing information indicative of a frequency gap or a frequency offset between the first frequency-domain resource allocation and the second frequency-domain resource allocation; and—transmitting the first uplink transmission using the first frequency-domain resource allocation and transmitting the second uplink transmission using the second frequency-domain resource allocation.

Methods, systems, and apparatuses are provided for Uplink (UL) synchronization handling for satellite switching in a wireless communication system. As such, a User Equipment (UE) can handle UL synchronization for satellite switching, thereby avoiding reducing transmission efficiency. The UE can also handle resources and / or configurations properly during satellite switching. A method for a UE comprises receiving, from an upper layer, an indication of an uplink synchronization loss, and in response to receiving the indication of the uplink synchronization loss: not performing uplink transmission on a serving cell, and determining whether to flush one or more Hybrid Automatic Repeat Request (HARQ) buffers based on whether the uplink synchronization loss is due to a satellite switch.

A wireless device transmits a user equipment (UE) capability message. The UE capability message comprises: a first parameter indicating, per cell, whether the wireless device supports two timing advance groups (TAGs) for intra-cell multiple transmission and reception point (multi-TRP) operation; and a second parameter indicating, per band combination, a maximum number of TAGs that the wireless device supports. The wireless device receives one or more radio resource control (RRC) messages indicating: transmission configuration indicator (TCI) states for uplink transmissions via a cell; and two TAGs for the cell. The wireless device receives downlink control information (DCI) indicating a TCI state among the TCI states for the cell. The TCI state is associated with a TAG among the two TAGs of the cell. The wireless device transmits, based on a timing advance of the TAG associated with the TCI state, an uplink transmission using the TCI state.

A method and a device for uplink transmission and reception in a wireless communication system are disclosed. The method for uplink transmission for beam failure recovery (BFR) according to one embodiment of the present disclosure may comprise the steps of: receiving BFR-related configuration information for a base station, and performing uplink transmission for BFR to the base station, on the basis of which any one of a first beam failure and a second beam failure is detected in accordance with an assessment of the radio link quality with respect to a first beam failure detection (BFD) reference signal (RS) set and a second BFD RS set.

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.

Various example embodiments relate to configuration of uplink transmissions. An apparatus may transmit a first uplink transmission with a first uplink configuration and a second uplink transmission with a second uplink configuration. The first and second uplink transmissions may at least partially overlap. The first and second uplink configurations may comprise first and a second initial cyclic shifts, first and second orthogonal cover codes, first and second reference signal initializations, first and second scrambling sequence initialization, and / or first and second scrambling sequences for the first uplink transmission and the second uplink transmission, respectively.

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.

Disclosed are a method and a device for multi-frequency unit-based simultaneous transmission or simultaneous reception in a wireless communication system. A method for performing uplink transmission or downlink reception by a terminal in a wireless communication system according to an embodiment of the present disclosure may comprise the steps of receiving, from a network, configuration information related to a group of frequency units for one or more of an uplink and a downlink; and on the basis of one or more of a reference signal-related resource and a channel-related resource for a first frequency unit and a second frequency unit included in the group of frequency units, performing, in the same time unit, uplink transmission or downlink reception on the first frequency unit and the second frequency unit, wherein the first frequency unit and the second frequency unit at least partially overlap on a frequency domain.

The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting higher data rates. A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving, from a base station, configuration information including first information one a first sounding reference signal (SRS) resource set and a second SRS resource set, second information associated with an physical uplink shared channel (PUSCH) repeat transmissions, and third information associated with slot configuration, receiving, from the base station, downlink control information (DCI) scheduling a PUSCH, the DCI including a CSI request field triggering aperiodic channel state information (CSI) reporting, and transmitting, to the base station, a first PUSCH associated with the first SRS resource set and a second PUSCH associated with the second SRS resource set, wherein the slot configuration configured based on the third information includes a slot for uplink transmission of the UE, and a subband non-overlapping full duplex (SBFD) slot including a subband for downlink reception of the UE and a subband for the uplink transmission of the UE, and wherein, in case that a number of resource element (RE) allocated to a first repetition of repetitions of the first PUSCH is same with a number of RE allocated to a first repetition of repetitions of the second PUSCH, the aperiodic CSI reporting is multiplexed in the first repetition of the repetitions of the first PUSCH and the first repetition of the repetitions of the second PUSCH, respectively.

Methods and apparatuses for wake up signal for uplink transmission are disclosed. A method at a UE comprises: receiving PRACH configuration, where one or multiple ROs are in a PRACH configuration period; and transmitting at least a WUS (wake up signal) within a wake, the WUS transmitted at the first or first several ROs within the wake-up period or at a resource in front of RO(s) within the wake-up period.

A UE may receive a time resource pattern including a first set of time resources and a second set of time resources that are non-overlapping in a time domain with the first set of time resources, each time resource of the first set of time resources configured with a subband full-duplex (SBFD) configuration, and each time resource of the second set of time resources configured with a non-SBFD configuration. A UE may receive a synchronization signal block (SSB) configuration including one or more periodic SSB occasions. A UE may adjust at least one of an SSB measurement or an uplink transmission in one or more symbols including an SSB occasion, of the one or more periodic SSB occasions, overlapping with a time resource of the first set of time resources.

The invention discloses a resource optimization distribution system and method of a wireless energy transfer communication perception integrated network, and belongs to the technical field of wireless communication. The system comprises an intelligent metasurface RIS which is arranged between a base station and a terminal device; the base station is used for radar sensing of a plurality of device targets during a downlink period and wireless power transmission of a plurality of terminal devices with the assistance of the RIS; the plurality of terminal devices are used for transmitting data back to the base station by using the collected energy through a non-orthogonal multiple access strategy in an uplink; wherein joint optimization is carried out on an energy beam forming matrix, a radar beam forming matrix, RIS phase shift matrixes in a downlink and an uplink and transmission time slot distribution, so that the total achievable throughput of equipment in uplink transmission is maximized. According to the ISAC system based on the WPCN under the assistance of the RIS, a new solution is provided for wireless network construction, and the achievable throughput of the system can be effectively improved.

This disclosure describes systems, methods, and devices related to collision handling. A device may receive configuration for positioning sounding reference signal (SRS) with transmit (TX) frequency hopping for a positioning SRS transmission, including a switching time for an active bandwidth part (BWP). The device may determine, during a collision between the SRS and another uplink transmission, including the switching time to and from the active bandwidth part, whether to drop one or more SRS symbols. The device may transmit remaining non-colliding symbols of the positioning SRS transmission.

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.

Certain aspects of the present disclosure provide a method for wireless communications at a user equipment (UE). The UE may receive a configuration from a base station (BS). The configuration may indicate transmission parameters associated with different symbols such as sub-band full duplex (SBFD) symbols and non-SBFD symbols. For example, the transmission parameters may indicate power control parameters (e.g., a received power target value, a power control factor value, a closed-loop power control value) and a unified transmission configuration indicator (TCI) (e.g., a joint uplink and downlink TCI state, separate uplink and downlink TCI states). The UE may transmit uplink transmissions to the BS, in accordance with the transmission parameters.

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.

Methods and apparatuses are provided for power headroom report regarding multiple TRPs in a wireless communication system. The systems and methods of the present invention address, expand, and improve how networks perform power control on multiple TRPs, how networks manage power control for uplink transmissions for different links, and how a UE derives one or more PH / PHR for different links.

A wireless device receives one or more radio resource control (RRC) messages indicating a handover from a first cell to a second cell and a synchronization signal block (SSB), of the second cell, for receiving a downlink control information (DCI) from the second cell. The wireless device receives, from the second cell and based on a demodulation reference signal (DMRS) antenna port being quasi co-located with the SSB, the DCI scheduling an uplink transmission, wherein the uplink transmission is an initial uplink transmission, to the second cell, after receiving the one or more RRC messages indicating the handover. The wireless device transmits, to the second cell and based on the SSB indicated by the one or more RRC messages, the uplink transmission.

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.

Systems and methods for configured grant for multi-panel Uplink (UL) transmission are provided. In some embodiments, a method performed by a User Equipment (UE) for transmitting PUSCH configured grant to multiple-TRPs includes: receiving a configuration of at least one unified TCI state, indicating mTRP operation; receiving an indication of a configured grant, indicating either mTRP operation using repetition or Simultaneous Transmission Across Multiple Panels (STxMP); and transmitting a PUSCH according to the configuration o. In this way, the unified TCI state framework can be extended to mTRP and multi-panel transmission for configured grant. With the unified TCI state framework, separate spatial relations do not have to be configured for UL transmission. Hence, unified TCI state framework can provide some higher layer overhead savings. By extending unified TCI state framework for mTRP and multi-panel transmission for configured grant, configured grant based PUSCH can also leverage this advantage.

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.