Abstract: A method and a device in a node for wireless communications are disclosed in the present disclosure. A first node receives a first information block set, receives a first signaling and a first signal, and transmits a first bit block in a first radio resource block. The first information block set is used to activate a first information element and a second information element out of N information elements; when the first radio resource block only comprises one resource sub-block, only one of the first information element and the second information element is used to determine a spatial relation of the first radio resource block; when the first radio resource block comprises K resource sub-blocks, K being a positive integer greater than 1, the first information element is used to determine a spatial relation of at least one resource sub-block in the first radio resource block.

Abstract: The present disclosure provides a method and device in a node used for wireless communications. A first node receives a first signaling, receives a first signal in a first time window, and transmits a first bit block in a first radio resource block. The first signaling is used for indicating configuration information for the first signal; the first time window is one of M time windows, and any two time windows of the M time windows are orthogonal, M being a positive integer greater than 1; the first radio resource block belongs to a target time window in time domain, and any of the M time windows is associated with the target time window. The above method not only saves the dynamic signaling overhead, but also avoids the impact of miss detection.

Abstract: A method and a device in nodes used for wireless communication. A first node transmits a first reference signal and a second reference signal respectively in a first time-domain resource block and a second time-domain resource block. The first node maintains power consistency and phase continuity among multiple first-type signals belonging to a reference time window in time domain; a duration of the reference time window is no larger than a first threshold; the first reference signal and the second reference signal respectively belong to different transmission occasions; whether the first node maintains power consistency and phase continuity between the first reference signal and the second reference signal is related to whether a first condition set is satisfied; the first condition set comprises a first condition; the first condition comprises: the first reference signal and the second reference signal being identified by a same index.

Abstract: A first node receives a first information block, and transmits first CSI. The first information block is used to indicate a first RS resource set, a measurement on the first RS resource set is used to generate the first CSI, the first CSI comprises a first information set and a second information set, the first information set comprises at least one first-type information group, and the second information set comprises at least one information group; the first-type information group corresponds to a first bandwidth, and a priority of the first-type information group is higher than a priority of any information group in the second-type information set; first channel information belongs to the first CSI, a type of the first channel information is one of PMI or first type, and the first type is non-codebook-based.

Abstract: The present disclosure provides a method and device in a node for wireless communication. A first node receives a first signaling; transmits a first signal, a first reference signal and a first demodulation reference signal in the first time-frequency resource block set; and transmits a second signal, a second reference signal and a second demodulation reference signal in the second time-frequency resource block set. A third antenna port is an antenna port transmitting the first reference signal, a fourth antenna port is an antenna port transmitting the second reference signal, and both a port number of the third antenna port and a port number of the fourth antenna port are a target antenna port number; a first antenna port is an antenna port transmitting the first demodulation reference signal, and the third antenna port is associated with the first antenna port.

Abstract: The present disclosure provides a method and device in communication nodes for wireless communications. A first node receives a first information block, a second information block and a third information block; when a first condition set is satisfied, transmits a first bit block and a second bit block in a first time-frequency resource block; when the first condition set is not satisfied, transmits the second bit block in the second time-frequency resource block, and transmits the second bit block in the third time-frequency resource block. The first time-frequency resource block is reserved for the first bit block; the second time-frequency resource block and the third time-frequency resource block are respectively reserved for two repetitions of the second bit block; whether the first condition set is satisfied is used to determine whether to drop transmitting the first bit block in the first time-frequency resource block.

Abstract: The present disclosure provides a method and device in nodes used for wireless communications. A first node receives a first signaling group, receives a first signal group, receives a second signaling group, transmits a second signal group, transmits a first bit block set in a first radio resource group. The first signaling group is used to indicate scheduling information of the first signal group, the second signaling group is used to indicate scheduling information of the second signal group, a transmitter of the first signal group is different from a target receiver of the second signal group; the first bit block set comprises a first bit block, and the first bit block is related to whether the first signal group is correctly received; a size of the first bit block is related to whether the first bit block set comprises a second bit block, and the second bit block is related to whether the second signal group is correctly received.

Abstract: The present disclosure provides a method and device in nodes used for wireless communication. A first node receives a first signaling, the first signaling is used to indicate a first symbol set; and then operates a first radio signal in only a first symbol group in the first symbol set. The first signaling is used to indicate scheduling information of the first radio signal; any multicarrier symbol in the first symbol group belongs to the first symbol set, and a number of multicarrier symbol(s) comprised in the first symbol group is not greater than a number of multicarrier symbol(s) comprised in the first symbol set; a target TDD configuration is used to determine a type of each multicarrier symbol in the first symbol set, the target TDD configuration is used to determine the first symbol group out of the first symbol set.

Abstract: A first receiver receives a second information block, the second information block being used to determine that a first search space set is linked to a second search space set and a third search space set; receives a first information block, the first information block being used to determine a reference time-domain resource set; and monitors in a first time unit at least first PDCCH candidate in the first search space set and at least target PDCCH candidate in a target search space set; where the first PDCCH candidate and the target PDCCH candidate are monitored to detect DCI format with identical information; whether the target search space set is the second search space set or the third search space set depends on whether the first time unit and the reference time-domain resource set are orthogonal. This application reduces interference and enhances the system flexibility.

Abstract: The present application provides a method and device in a node for wireless communications. A first receiver receives a second information block; receives a first information block, the first information block is used to determine a reference time-domain resource set; monitors at least a first PDCCH candidate in the first search space set and at least a second PDCCH candidate in the second search space set; at least one of QCL information of a DMRS antenna port for a PDCCH reception on the first PDCCH candidate or QCL information of a DMRS antenna port for a PDCCH reception on the second PDCCH candidate depends on whether at least one of the first PDCCH candidate or the second PDCCH candidate overlaps with the reference time-domain resource set in time domain. The present application reduces interference and improves transmission quality.

Abstract: The present application provides a method and device in a node for wireless communications. A first node receives a reference information block and a first information block; wherein the reference information block is used to determine a first RS resource set used for a radio link quality measurement, and the first RS resource set comprises at least one RS resource; the first information block is used to determine a reference time-domain resource set; a first RS resource is an RS resource in the first RS resource set, and a transmission occasion of the first RS resource used for the radio link quality measurement depends on the reference time-domain resource set.

Abstract: A first node receives a first information block set, the first information block set is used to configure multiple CORESETs, the multiple CORESETs are configured to N cells; determines a first CORESET from the multiple CORESETs, monitors a PDCCH in only a target CORESET group in the multiple CORESETs in a first time window, the first time window consists of multiple overlapping PDCCH monitoring occasions, the multiple overlapping PDCCH monitoring occasions respectively comprise time-domain resources occupied by PDCCH candidates in the multiple CORESETs; the target CORESET group comprises each CORESET having same QCL properties as the first CORESET among the multiple CORESETs; each of the N cells comprises at least one of two types of symbols in the first time window; a determination of the first CORESET depends on whether at least one of the N cells comprises a first-type symbol in the first time window.

Abstract: A first node receives a first signaling and transmits a first signal. The first signal is a first-type signal or a second-type signal, and the first signaling is used to indicate a first reference signal resource from the first reference signal resource set or the second reference signal resource set; a target parameter is used to determine transmit power of the first-type signal and transmit power of the second-type signal; a first candidate value group comprises one or multiple candidate values of the target parameter corresponding to the first reference signal resource; the first candidate value group comprises a target value, and the target value is used to determine transmit power of the first signal; a number of candidate value(s) comprised in the first candidate value group is related to whether a first condition is satisfied.

Abstract: A first node receives a reference information block; wherein the reference information block is used to configure a first CORESET pool on a first BWP, and the first CORESET pool comprises at least one CORESET; a first RS resource set is used for radio link quality assessment of the first BWP, the first RS resource set depends on a first TCI state set, the first TCI state set comprises at least one TCI state of at least one CORESET in the first CORESET pool; a target CORESET is a CORESET including two TCI states in the first CORESET pool; the two TCI states of the target CORESET respectively indicate QCL information of a DMRS antenna port for a PDCCH reception in the target CORESET in different PDCCH monitoring occasions. The above method flexibly adjusts a radio link quality assessment by determining appropriate RS resources.

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: A grinding apparatus and a crystal orientation adjustment fixture thereof are provided. The crystal orientation adjustment fixture includes a fixing seat, an adjustment body, a first adjustment component, and a universal mandrel module. The adjustment body is assembled to the fixing seat through a rear end surface thereof. The adjustment body has a universal slot recessed in a front end surface thereof and a first adjustment slot formed along an adjustment direction, and a bottom of the first adjustment slot corresponds in position to the fixing seat. The first adjustment component is movably assembled in the first adjustment slot along the adjustment direction and abuts against the fixing seat. The universal mandrel module is rotatably assembled in the universal slot. The first adjustment component is adjustable along the adjustment direction to move the adjustment body relative to the fixing seat along the adjustment direction.

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: The present disclosure provides a method and device in a node for wireless communications. A first node receives a first reference signal group; maintains a first counter; and transmits a target signal; a measurement performed on the first reference signal group is used to determine a first-type received quality group, and the first-type received quality group is used to maintain the first counter; in response to a value of the first counter being not less than a first threshold, the target signal is triggered; the target signal comprises a first signal; when a first condition is not satisfied, the target signal comprises a second signal; when the first condition is satisfied, the target signal does not comprise the second signal; the first signal is used to determine a first reference signal; the second signal is used to determine a second reference signal.

Abstract: The present disclosure provides a method and a device in a UE and a base station used for wireless communications. A UE receives first information, the first information is used to determine a first time-frequency resource and a first parameter group; receives a first signaling, the first signaling is used to determine a second time-frequency resource and a second parameter group; operates a first radio signal in the first time-frequency resource; and operates a second radio signal in the second time-frequency resource. A start time for transmitting the first signaling is later than a start time for transmitting the first information; the second parameter group is used to generate the second radio signal, a target parameter group is used to generate the first radio signal, and the target parameter group is the first parameter group or the second parameter group.

Abstract: The present disclosure provides a method and a device in a node for wireless communication. A first node receives first information; receives a first signaling, the first signaling being used for indicating a first symbol set; then operates K radio signals respectively in K symbol groups in the first symbol set. The first symbol set comprises a first symbol subset and a second symbol subset, the first information is used for indicating a type of each multicarrier symbol in the first symbol set, and the first information is used for determining the first symbol subset and the second symbol subset; any of the K symbol groups belongs to one of the first symbol subset and the second symbol subset; each of the K radio signals carries a first bit block, the K radio signals respectively correspond to K first-type parameters.