Abstract: The present application provides a method and device in a node for wireless communications. A first transmitter transmits a first preamble in a first PRACH occasion; a first receiver receives a first signaling, and the first signaling adopts a first RNTI; wherein the first signaling is used to respond to a transmission of the first preamble; a first time-domain symbol is an earliest time-domain symbol of the first PRACH occasion; an index of a reference time-domain symbol and an index of a reference slot are both used to determine the first RNTI, the reference time-domain symbol is a time-domain symbol other than the first time-domain symbol, and the reference time-domain symbol belongs to the reference slot; a time-domain position of the reference time-domain symbol is related to at least one of the first PRACH occasion or the first preamble.

Abstract: A first node receives a first signaling, transmits a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block; the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first reference signal resource group and a second reference signal resource group, the first reference signal resource group is used to determine antenna port(s) for transmitting the first signal, and the second reference signal resource group is used to determine antenna port(s) for transmitting the second signal; the first/second reference signal is associated with the first/second reference signal resource group; a time density of the first reference signal and a time density of the second reference signal are related to whether the first signal and the second signal carry a same TB (Transport Block).

Abstract: The present application discloses a method and a device in a node for wireless communications. A first receiver receives first information and a first DCI, the first DCI comprising a first field; a first transmitter transmits a first bit block on a first wireless channel; herein, the first DCI is used to schedule the first wireless channel, the first field in the first DCI being used to determine one of a frequency-domain resource occupied by the first wireless channel or an MCS used by the first wireless channel; the first information is used to determine whether there is a field in the first DCI that is related to a method of indication of the first field in the first DCI and is used to determine a waveform for the first wireless channel.

Abstract: A method and device in anode for wireless communications. A first node receives a first signaling, transmits a target signal and a target reference signal group in a target time-frequency resource block; a number of layer(s) of the target signal is equal to a sum of a number of layer(s) of a first sub-signal and a number of layer(s) of a second sub-signal; a first reference signal resource group is used to determine antenna port(s) for transmitting the first sub-signal, and a second reference signal resource group is used to determine antenna port(s) for transmitting the second sub-signal; the target reference signal group comprises P reference signals; a first reference signal is a reference signal transmitted by a first antenna port among the P reference signals; transmit power of the first reference signal on a first RE is linearly correlated with a linear value of a first factor.

Abstract: Discloses a method and a device in a node for wireless communications. A first receiver receives first information, second information and a first signaling, the first signaling indicating a first time-domain resource pool set, the first time-domain resource pool set comprising multiple time-domain resource pools; the first receiver receiving a first PDSCH group, the first PDSCH group comprising at least one PDSCH; a first transmitter transmits a first PUCCH with a first transmission power, the first PUCCH carrying at least one HARQ-ACK bit; herein, a characteristic time-domain resource pool subset consists of at least one time-domain resource pool in the first time-domain resource pool set, the first information being used to determine the characteristic time-domain resource pool subset from the first time-domain resource pool set; each of the time-domain resource pool(s) in the characteristic time-domain resource pool subset comprises time-domain resources occupied by a PDSCH in the first PDSCH group.

Abstract: The present disclosure provides a method and a device in a node used for wireless communications: a first receiver, receiving a first signaling group and a second signaling group; and a first transceiver, transmitting a first signal, or, receiving a first signal in a first time-frequency resource pool; herein, the first signaling group and the second signaling group respectively indicate a first index and a second index, the first index being different from the second index; the first signaling group is used to determine the first time-frequency resource pool; the second signaling group is used to determine a second numerical value set; a second numerical value is used to determine a HARQ process number corresponding to the first signal, the second numerical value belonging to the second numerical value set.

Abstract: A node receives a first information block, the first information block is used to determine a first search space set and a second search space set, and a PDCCH candidate comprised in the first search space set and a PDCCH candidate comprised in the second search space set are correspondingly linked; a node receives a target control signaling and receives a first PDSCH, the target control signaling is used to determine a target time-frequency resource set; the first PDSCH belong to the target time-frequency resource set; a first PDCCH is used to carry the target control signaling, an AL of the first PDCCH is not equal to an AL of a second PDCCH; whether the first PDCCH is detected is used to determine whether resources occupied by the second PDCCH are available for the first PDSCH. The present application guarantees the performance of the PDSCH.

Abstract: A first node receives a first signaling; and transmits a first signal and a second signal respectively in a first time-domain resource block and a second time-domain resource block. The first time-domain resource block and the second time-domain resource block both belong to a reference time window; the first node maintains power consistency and phase continuity between multiple first-type signals that belong to a same first-type time window in time domain; whether a first condition set is satisfied is used to determine a number of first-type time window(s) comprised by the reference time window; the first condition set comprises a first condition, the first condition comprising that the first node transmits a third signal in a third time-domain resource block and the third time-domain resource block is overlapped with only one of the first time-domain resource block or the second time-domain resource block.

Abstract: The node receives a first information block determining a first search space set and a second search space set; and receives a target control signaling and a first signal, the target control signaling determining a first time-frequency resource set, the first signal belonging to the first time-frequency resource set, the PDCCH candidates in the first search space set and the second search space set are correspondingly associated, a first PDCCH is a PDCCH candidate in the first search space set.while a second PDCCH is a PDCCH candidate associated with the first PDCCH in the second search space set, a target time-frequency resource subset comprises one RE, other than the RE(s) occupied by the first signal; whether the first PDCCH is detected is used to determine whether the target time-frequency resource subset comprises one RE occupied by the second PDCCH. This application avoids resource collisions.

Abstract: A node receives a first information block comprising configuration information of a target sub-band and a first signaling determining a target time-frequency resource set; and transmits a target signal with a target Tx power; the target Tx power is equal to a smaller value between a first Tx power and a target power upper limit, and the target time-frequency resource set determines a first parameter value which the first Tx power is linear with; a power class of the node determines a second parameter value, the second parameter value determining a value range of the target power upper limit; a relation between the target time-frequency resource set and the target sub-band or the configuration information is used to determine at least one of the value range of the target power upper limit or the first Tx power. Link performance is ensured.

Abstract: A node receives a first information block and a second information block, the first information block determines X1 time-domain symbols corresponding to a first link direction, and the second information block determines X2 time-domain symbols corresponding to a second link direction; determines a target link direction and operates a target signal in a target time-frequency resource set; the target time-frequency resource set comprises one of the X1 time-domain symbols in time domain, and the target time-frequency resource set comprises one of the X2 time-domain symbols in time domain; the first link direction is uplink or downlink, and the second link direction is one of uplink, downlink, or flexible link; the target time-frequency resource set belongs to a target sub-band in frequency domain, and configuration information of the target sub-band determines the target link direction. The present application improves the resource utilization.

Abstract: A first node receives a first signaling; and transmits a first signal and a second signal respectively in a first time-domain resource block and a second time-domain resource block. The first time-domain resource block and the second time-domain resource block both belong to a reference time window; the first node maintains power consistency and phase continuity between multiple first-type signals that belong to a same first-type time window in time domain; whether a first condition set is satisfied is used to determine a number of first-type time window(s) comprised by the reference time window; the first condition set comprises a first condition, the first condition comprising that the first node transmits a third signal in a third time-domain resource block and the third time-domain resource block is overlapped with only one of the first time-domain resource block or the second time-domain resource block.

Abstract: The present application discloses a method and a device in a node for wireless communications. A first node receives a first signaling; and monitors control channel candidates in S search space sets. A first field in the first signaling determines a first TCI state group; the first signaling is used to determine a first time; starting from the first time, the first TCI state group is used for monitoring a first control channel candidate set; a number of TCI state(s) comprised by the first TCI state group is used to determine the first control channel candidate set in the S search space sets; when the first TCI state group comprises only one TCI state, the first control channel candidate set does not comprise any control channel candidate that satisfies a first condition in the S search space sets.

Abstract: A first node receives a first information block; receives a first signaling; and receives a first signal. The first information block is used for indicating S search space sets; the first signaling comprises a first field, the first field in the first signaling indicating a TCI state of the first signal in a target TCI state set; the first signaling occupies a first control channel candidate, the first control channel candidate belonging to a first search space set, the first search space set being one of the S search space sets; a first condition set comprises that there exists a search space set other than the first search space set among the S search space sets that comprises one control channel candidate associated with the first control channel candidate; whether the first condition set is satisfied is used to determine the target TCI state set.

Abstract: The present disclosure provides a method and a device in a node used for wireless communications. A first node receives a first signaling; and transmits a first signal. The first signaling indicates scheduling information for the first signal; a linear value of transmit power for the first signal is equal to a product of a linear value of a second power and a first coefficient; the first signaling is used to determine a first reference signal resource and a first matrix; the first reference signal resource belongs to a first reference signal resource set of S reference signal resource sets; S matrix sets respectively correspond to the S reference signal resource sets. The above method optimizes the transmit power on each panel in the multi-panel-based uplink transmission.

Abstract: A method and a device in a node for wireless communications. A first node receives a first signaling, the first signaling being used to determine a first time; and receives a first reference signal after the first time. The first signaling is used to indicate a target reference signal; after the first time, the target reference signal is used to determine a spatial relation of a transmission on a target channel, and the first signaling is used to indicate whether the target channel is an uplink physical layer channel or a downlink physical layer channel; whether the target channel is an uplink physical layer channel or a downlink physical layer channel is used to determine whether the first reference signal and the target reference signal are spatially related; when the target channel is an uplink physical layer channel and the first reference signal belongs to a first reference signal set.

Abstract: The present application discloses a method and a device in a node for wireless communications. A node receives a first PDCCH; and transmits a first PUCCH, the first PUCCH occupying X1 multicarrier symbols in time domain; a first basic sequence generates the first PUCCH, and the first basic sequence generates X2 sequences; a target multicarrier symbol is one of the X1 multicarrier symbols, and a target RE set comprises multiple REs, any RE comprised by the target RE set occupying the target multicarrier symbol in time domain; a target sequence is one of the X2 sequences, and a target parameter is used to determine a cyclic shift of the target sequence, the target sequence generating a complex-valued symbol mapped onto the target RE set; the target parameter is one of X3 candidate parameters. The present application enhances the HARQ feedback transmission performance.

Abstract: The present application discloses a method and a device in a node for wireless communications. A first node receives a second signaling and operates a first reference signal resource set; receives a first signaling, the first signaling being used for indicating a first time-frequency resource block; and transmits a first signal in the first time-frequency resource block when a first condition is satisfied; or, drops transmitting the first signal in the first time-frequency resource block when the first condition is unsatisfied. The first signaling is used for indicating a first index group; the first index group is used to determine a first reference signal resource from the first reference signal resource set; the first reference signal resource is used to determine a precoder of the first signal; the second signaling is used for indicating a first target reference signal resource.

Abstract: The present application provides a method and device in a node for wireless communications. A first node receives a second signaling, transmits a second bit set in a second time-frequency resource block. The second signaling indicates the second time-frequency resource block; the second signaling is used to determine a first time-frequency resource block, and the first time-frequency resource block is reserved for a first bit set; whether the second bit set comprises the first bit set is at least related to the second signaling is a first-type signaling or a second-type signaling; when the second signaling is the second-type signaling, the second bit set comprises the first bit set; when the second signaling is the first-type signaling, whether the second bit set comprises the first bit set is related to whether there exists a bit block in the first bit set comprising a HARQ-ACK associated with the second-type signaling.

Abstract: A first node receives a first signaling The first signaling comprises a first index and a second index, a first serving cell is identified by the first index, and a first Control Resource Set (CORESET) in the first serving cell is identified by the second index; a first TCI state set is configured to the first serving cell, and the first signaling is used to activate a first TCI state out of the first TCI state set; the first CORESET is associated with the first TCI state; the first signaling is applied to each serving cell in a target cell set; when the first CORESET satisfies a first condition, the target cell is a first cell set; when the first CORESET does not satisfy the first condition, the target cell set is a second cell set; the first condition comprises: being related to a non-unicast channel.