Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station used for wireless communications. The UE receives first information; determines first sub-information out of the M piece(s) of sub-information; receives a first radio signal in a first time-frequency resource set; the first information comprises the M piece(s) of sub-information, each of the M piece(s) of sub-information indicates a reference signal group, and a reference signal group comprises at least one reference signal. The first sub-information indicates a first reference signal group. A reference signal in a reference signal group indicated by at least one of the M piece(s) of sub-information is transmitted by a first serving cell, and the first serving cell is not added by the UE. The above method not only obtains performance advancement brought by serving cell handover, but also avoid time delay and service interrupt.

Abstract: The present application provides a method and device in a node for wireless communications. A first node receives a first information block and a second information block, and transmits a third information block. The first information block indicates a first function; the second information block indicates whether a target reference signal resource is associated with the first function; the third information block indicates a first compressed CSI, and a first pre-compressed CSI is used as an input to the first function to generate the first compressed CSI. The above method can flexibly configure a relation between reference signals and AI algorithms/parameters, and select the optimal AI algorithm/parameter to compress/decompress a CSI based on a certain reference signal, thus optimizing the performance of CSI feedback.

Abstract: The present disclosure provides a method and a device used in a User Equipment (UE) and a base station for wireless communications. The UE receives a first signaling; and transmits a first radio signal; wherein the first signaling comprises scheduling information of the first radio signal; the first signaling is used to determine a first index, and the first index is used to determine a transmitting antenna port of the first radio signal; transmit power of the first radio signal is first power, and a linear value of the first power is equal to a product of a linear value of second power and a first coefficient; the first coefficient is one of K candidate coefficients. The above method optimizes Uplink transmit power according to the UE's own capabilities.

Abstract: The present disclosure discloses a method and a device for wireless communications in a UE and a base station. A first node transmits a first signal; and monitors a first-type signaling in a first resource block in a first time window. The first signal is used for determining a first reference signal; the first node assumes a QCL parameter identical to a target reference signal for monitoring the first-type signaling in the first resource block in the first time window; the target reference signal is either the first reference signal or a second reference signal; whether the first time window belongs to a first-type time window is used for determining the target reference signal between the first reference signal and the second reference signal. The method provided above raises the chance of a node being served and resource utilization ratio in Unlicensed Spectrum.

Abstract: The present application discloses a method and device in a node for wireless communications. A first node receives a reference signal in a first reference signal resource sub-pool; determines a first function according to the receiving behavior in the first reference signal resource sub-pool; transmits a first information block, the first information block being used to determine the first function; receives a second information block, the second information block being used to determine whether a target reference signal resource is associated with the first function; and transmits a third information block, the third information block indicating a first compressed CSI, the first compressed CSI being an input to the first function for generating a first CSI.

Abstract: The present disclosure provides a method and a device in a UE and a base station for wireless communication. The UE receives a first signaling and a second signaling, and then operates a first radio signal. Herein, the first signaling comprises a first field, the second signaling comprises a second field; the second signaling comprises first-type scheduling information of the first radio signal; the first field of the first signaling and the second field of the second signaling are jointly used for determining whether the first radio signal is related to the first signaling; the operating action is receiving, or the operating action is transmitting. When the UE is scheduled to transmit or measure a plurality of reference signals, the above method can be employed to avoid possible misunderstanding or confusion resulted from citation of one reference signal.

Abstract: The present disclosure provides a method and device in a node used for wireless communications. A first node receives a first signaling; and transmits a first signal; the first signaling is used for determining configuration information of the first signal; the first signaling is used for determining a first information unit, the first information unit comprises a first field, the first field in the first information unit indicates a first reference-signal resource, and the first reference-signal resource is used for determining a spatial-domain filter of the first signal; a first power control parameter group is used for determining transmission power of the first signal. The above method unifies Uplink beam management mechanism and Downlink beam management mechanism, and solves the power control problem of Uplink transmission under a unified beam management mechanism.

Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node receives a first signaling; and operates a first signal group. The first signaling is used for determining a first reference-signal-resource set; a first parameter-group set comprises a positive integer number of parameter group(s), any parameter group in the first parameter-group set is used for the operating action of a signal in the first signal group; any reference signal resource in the first reference-signal-resource set is used for determining a parameter group in the first parameter-group set. The above method unifies beam management mechanisms for both Uplink and Downlink, which improves performance of Uplink transmission and reduces corresponding signaling overhead and delay.

Abstract: The present disclosure provides a method and a device in a UE and a base station for wireless communication. The UE receives a first signaling in a first resource element set and a first radio signal. The first resource element set determines a first information set out of M information sets; wherein M is equal to 2; the first resource element set comprises a positive integer number of resource element(s); any information set of the M information sets comprises a positive integer number of information element(s); any information element in the M information sets is a transmission configuration indication state; any information element of the integer number of information element(s) comprises a first type index and a second type index set, a second type index set comprises one second type index or multiple second type indices. The above method helps reduce overhead for scheduling signaling.

Abstract: The disclosure provides a method and device in communication node used for wireless communication. A first node receives a first signaling, transmits a first bit block set in a first air interface resource block, receives a second signal in a second air interface resource block, and transmits a third signal in a third air interface resource block. The first signaling is used for determining the first air interface resource block, and the first air interface resource block is used for determining the second air interface resource block; the second signal and the third signal indicate whether the first bit block set is correctly received respectively; the first signaling indicates a first time interval. The above method simplifies the design of downlink signalings for allocation of sidelink resources and reduces signaling overheads.

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: The present disclosure provides a method and a device used in a User Equipment (UE) and a base station for wireless communications. The UE receives a first signaling; and transmits a first radio signal; wherein the first signaling comprises scheduling information of the first radio signal; the first signaling is used to determine a first index, and the first index is used to determine a transmitting antenna port of the first radio signal; transmit power of the first radio signal is first power, and a linear value of the first power is equal to a product of a linear value of second power and a first coefficient; the first coefficient is one of K candidate coefficients. The above method optimizes Uplink transmit power according to the UE's own capabilities.

Abstract: The disclosure provides a method and a device in a node for wireless communication. A first node receives a first signal and a second signal, and the first node transmits a first information block and a second information block in a first time window. The first information block and the second information block are used for determining whether the first signal and the second signal are correctly received respectively; transmit power values of physical layer channels carrying the first information block and the second information block are both a first power value. Through the design in the disclosure, a transmit power of a feedback channel on a sidelink is associated with a priority; and when multiple feedback channels are transmitted in one same time window, a proper transmit power can be determined to optimize performances of the feedback channels on the sidelink.

Abstract: The present disclosure provides method and device in a User Equipment (UE) and a base station used for wireless communication. The UE receives a first signaling and a second signaling; and transmits first reporting information in a target time-frequency resource. The first signaling and the second signaling are respectively used to determine a first antenna port group and a second antenna port group; a first antenna port group and a second antenna port group are respectively applicable to a first time-frequency resource and a second time-frequency resource; at least one of the following is used to determine the target time-frequency resource from the first time-frequency resource and the second time-frequency resource: the first antenna port group, the second antenna port group. When uplink data and control information for different TRPs conflict in time domain, the above method guarantees the reception quality of the two and avoids an extra delay.

Abstract: A method and a device in a node for wireless communications. A first node monitors or drops monitoring a first signal in a first resource block; and transmits a second signal in a second resource block. The second resource block corresponds to a first index; the first resource block is reserved for a HARQ-ACK for a bit block set transmitted in a third resource block; when a first condition set is fulfilled, a spatial relation of the second signal is unrelated to the first index; when the first condition set is unfulfilled, the first index is used for determining the spatial relation of the second signal; the first condition set relates to whether the first signal is conveyed in the first resource block. The method above provides an easy implementation of beamforming in a V2X system, which optimizes gains of beamforming and also prevents complicated signaling interaction.

Abstract: A method and a device in a node for wireless communications. A first node monitors or drops monitoring a first signal in a first resource block; and transmits a second signal in a second resource block. The second resource block corresponds to a first index; the first resource block is reserved for a HARQ-ACK for a bit block set transmitted in a third resource block; when a first condition set is fulfilled, a spatial relation of the second signal is unrelated to the first index; when the first condition set is unfulfilled, the first index is used for determining the spatial relation of the second signal; the first condition set relates to whether the first signal is conveyed in the first resource block. The method above provides an easy implementation of beamforming in a V2X system, which optimizes gains of beamforming and also prevents complicated signaling interaction.

Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node receives a first signaling; and operates a first signal group. The first signaling is used for determining a first reference-signal-resource set; a first parameter-group set comprises a positive integer number of parameter group(s), any parameter group in the first parameter-group set is used for the operating action of a signal in the first signal group; any reference signal resource in the first reference-signal-resource set is used for determining a parameter group in the first parameter-group set. The above method unifies beam management mechanisms for both Uplink and Downlink, which improves performance of Uplink transmission and reduces corresponding signaling overhead and delay.

Abstract: The present disclosure provides a method and device in a node used for wireless communications. A first node receives a first signaling; and transmits a first signal; the first signaling is used for determining configuration information of the first signal; the first signaling is used for determining a first information unit, the first information unit comprises a first field, the first field in the first information unit indicates a first reference-signal resource, and the first reference-signal resource is used for determining a spatial-domain filter of the first signal; a first power control parameter group is used for determining transmission power of the first signal. The above method unifies Uplink beam management mechanism and Downlink beam management mechanism, and solves the power control problem of Uplink transmission under a unified beam management mechanism.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. A first node generates a first bit block, performs channel coding and then transmits a first radio signal. The first bit block comprising all bits in a second bit block and all bits in a third bit block is used for an input of the channel coding, and an output of the channel coding is used for generating the first radio signal. A Cyclic Redundancy Check (CRC) bit block of a fourth bit block is used for generating the third bit block. The fourth bit block comprises all bits in the second bit block and all bits in a fifth bit block, the bits in the fifth bit block are of fixed values, and the fifth bit block is composed of K bits, the K being a positive integer.

Abstract: The present disclosure provides a method and device in nodes for wireless communication. A first node receives first information; and receives a first signaling. The first information is used for determining K resource blocks; the K resource blocks respectively correspond to K reference-signal resource groups; any reference-signal resource in the K reference-signal resource groups corresponds to one of M first-type indexes; the first signaling is used for activating a first index in the M first-type indexes; a first resource block is any of the K resource blocks, a first reference-signal resource is used for determining a spatial relation of the first resource block, and the first reference-signal resource is one reference-signal resource corresponding to the first index in a reference-signal resource group corresponding to the first resource block. The above method employs information selected by TRP/panel, thus reducing a signaling overhead and delay of beam management.