Abstract: Present application discloses a method and a device in a communication node for wireless communications. The communication node receives a first message, the first message configuring uplink grants, any two uplink grants configured by the first message being temporally non-overlapped; and receives a second message, the second message indicating a first symbol set; and transmits first control information in a first uplink grant, the first control information indicating whether K2 uplink grant(s) is(are) unused, the first uplink grant and the K2 uplink grant(s) being configured by the first message, the K2 uplink grant(s) being after the first uplink grant; the K2 uplink grant(s) is(are) dependent on at least a former of a time-domain location of the uplink grants configured by the first message or a location of the first symbol set; K2 being a positive integer. The scheme improves the effectiveness of information indicated by the first control information.

Abstract: The present disclosure discloses a method and device in UE and base station used for wireless communications. A UE transmits a first radio signal, the first radio signal indicating a first reference signal out of M reference signals; and monitors a first signaling in each of W time-frequency resource block(s). Herein, at least one reference signal of the M reference signals is transmitted by a first serving cell, and the first serving cell is not added by the UE; the UE assumes that a transmission antenna port of the first signaling is Quasi-Co-Located with a transmission antenna port of the first reference signal; W is a positive integer, and M is a positive integer greater than 1. Such method can be employed to avoid delay and service interruption brought about by cell handover.

Abstract: The present application provides a method and device for wireless communications. A communication node receives a first message, the first message is configured with an uplink grant, and any two uplink grants configured by the first message are non-overlapping in time; transmits first control information in a first uplink grant, the first control information indicates whether a target uplink grant is unused, the first uplink grant and the target uplink grant are configured by the first message, the target uplink grant is after the first uplink grant; a candidate for an indication of the first control information for the target uplink grant depends on a first condition set; when the first condition set is met, a candidate for an indication of the first control information for the target uplink grant comprises unused and not unused. The method improves the resource utilization rate and avoids the interference.

Abstract: The node firstly receives a first information set, the first information set indicating a first reference signal resource set; and then transmits a second information set; the second information set includes a first power difference and a second power difference; the first power difference is equal to a difference obtained by subtracting a first target power value from a first power value, and the second power difference is equal to a difference obtained by subtracting a second target power value from a second power value; the first target power value and the second target power value are both associated to a first reference signal resource in the first reference signal resource set; the first target power value and the second target power value are for a same cell. This application improves uplink power control under multi-panel terminals to increase system flexibility.

Abstract: A first node receives a first message, the first message indicating entering RRC_Inactive state; and determines whether any condition in a first condition set is satisfied in RRC_Inactive state; and performs a first action as a response to that any condition in the first condition set is satisfied; herein, the first message indicates at least one radio bearer, and the first message is used to determine whether the first action is entering RRC_Idle state or transmitting a second message, the second message being an RRC signaling; the first condition set includes at least a first condition, and at least a channel quality of a first cell being worse than a specific threshold is used to determine whether the first condition is satisfied, the first cell being a serving cell of the first node. This application supports mobility in different scenarios in RRC_Inactive state.

Abstract: The present disclosure provides a method and a device in a base station used for Unlicensed Spectrum. The base station first transmits K1 radio signals in a reference time window and then receives K1 HARQ feedbacks, and performs Q1 energy detections respectively in Q1 time sub-pools on a first frequency sub-band; the K1 HARQ feedbacks are respectively used for determining whether the K1 radio signals are correctly received; a first radio signal is a radio signal of the K1 radio signals, the first radio signal carries part of bits comprised by a first bit block; a first HARQ feedback is used for determining whether the first radio signal is correctly received, HARQ feedback(s) other than the first HARQ feedback among the K1 HARQ feedbacks is(are) used for determining the Q1 time sub-pools. The present disclosure increases the chance of access to Unlicensed Spectrum and the utilization ratio of spectrum resources.

Abstract: The present disclosure provides a method and device in a node for wireless communications. A first node transmits a first signal, and the first signal is used for random access; in response to transmitting the first signal, monitors a first-type channel in a first resource set to detect a first-type signaling; monitors the first-type channel in a second resource set to detect a second-type signaling; receives a target signaling, the target signaling is used to determine a target time; and when the target signaling is a third-type signaling, in response to receiving the target signaling, stops monitoring the first-type channel in the first resource set after the target time; when the target signaling is a fourth-type signaling, in response to receiving the target signaling. The above method can quickly recover a beam for unicast service and a beam for PTM/multicast groupcast service after beam failure.

Abstract: The present disclosure provides a method and device in a node used for wireless communications. A first node first receives a first signal and a second signal; determines that there exists an overlapping between a first radio resource block and a second radio resource block in time domain; then transmits a first bit block and a second bit block in a third radio resource set; the first bit block and the second bit block are respectively used to indicate whether the first signal and the second signal are correctly received; the first radio resource block and the second radio resource block are respectively reserved for transmitting the first bit block and the second bit block. The application determines different transmission methods of uplink control information according to a value of K1, which reduces the impact caused by the conflict and improves the uplink transmission performance.

Abstract: The present application discloses a method and a device for wireless communications, including the first signaling configuring a first measurement object and a second measurement object; the first measurement object and the second measurement object both indicating an intra-frequency or inter-frequency measurement applicable for at least one of a SS/PBCH or a CSI-RS; and performing a measurement according to at least one of the first measurement object or the second measurement object; whether a first parameter set is indicated being used to determine whether to perform a measurement according to the first measurement object; this application ensures better power saving through the first signaling.

Abstract: The present disclosure provides a method and a device in a node for wireless communications. A first node transmits a first signal in a first cell, and transmits a second signal in a second cell; a serving cell identity of the first cell is a first ID, and a serving cell identity of the second cell is a second ID, the first ID being smaller than the second ID; when the second cell is capable of scheduling a target cell, the second signal comprises first UCI; when the second cell is incapable of scheduling a target cell, the first signal comprises the first UCI. By associating whether a cell can piggyback UCI with whether a cell can schedule a PCell, the present disclosure manages to optimize UCI transmitting under Cross-Carrier Scheduling, hence improving the entire system's performance.

Abstract: The present disclosure provides a method and device used in node for wireless communication. A first node transmits a first sequence and a first radio signal; receives a first signaling; and receives a second radio signal; the second radio signal carries a first information block and a second information block, the first information block being used to determine X characteristic sequence(s), X being a positive integer; the second information block comprises X second-type information sub-block(s), and the X second-type information sub-block(s) corresponds(correspond) to the X characteristic sequence(s) respectively. By interpreting the existing signaling in a new way, the method provided in the present disclosure prevents unnecessary signaling overhead and meanwhile supports a flexible switch between 2-step random access and 4-step random access.

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 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 User Equipment (UE) and a base station for wireless communications. A UE receives first information, the first information being used for indicating M DCI blind decoding(s); monitors a first-type radio signal respectively on each of S sub-band(s) in a first time-domain resource; and performs at most M1 DCI blind decoding(s) of the M DCI blind decoding(s) on the S sub-band(s) in the first time-domain resource. Herein, the first-type radio signal detected on the S sub-band(s) is used for determining the M1 DCI blind decoding(s) out of the M DCI blind decoding(s). The above method allows the base station to make dynamic adjustments to the UE's blind decoding on PDCCH resources according to LBT results, ensuring that sufficient PDCCH resources are available and not too many PDSCH resources are preempted, and that excessive blind decodings can be avoided.

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 application discloses a method and a device for wireless communications, including receiving a first signaling, the first signaling being used for configuration of measurements, including indicating a first report type and a second report type; both the first report type and the second report type being types of configured measurement reports; and reporting measurement results according to either of the first report type and the second report type; whether a first parameter set is indicated being used to determine whether to report measurement results according to the first report type or the second report type; the first parameter set being used to determine at least one of a downlink reception time or an uplink transmission time; this application allows for better reporting of measurement results via the first signaling.

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. A communication node receives first information; determines a target measurement interval, the target measurement interval is one of X candidate measurement intervals; transmits a first signal, the first signal occupies a target time-frequency resource block; monitors a first-type signaling in a target time window; the X candidate measurement intervals respectively correspond to X time interval lengths, and the first information is used to determine a corresponding time interval length for each of the X candidate measurement intervals; a length of a time interval between a start time of the target time window and a reference time is equal to a target time interval length, the target time interval length is a time interval length corresponding to the target measurement interval in the X time interval lengths. The present disclosure improves random access performance.

Abstract: The present application provides a method and device for wireless communications. A first node receives a first signaling, the first signaling is used to configure uplink grant, the uplink grant configured by the first signaling comprises a first uplink grant and a second uplink grant, the first uplink grant is available for a UCI, the UCI corresponding to the first uplink grant is used to determine whether at least the second uplink grant is not performed; performs uplink transmission according to a configuration of the first signaling; wherein whether the uplink transmission occupies a PUSCH corresponding to the second uplink grant depends on whether a PUSCH corresponding to the first uplink grant is transmitted. The present application can effectively improve the uplink transmission performance.

Abstract: The node firstly transmits a first information block and a second information block, the first information block indicating a first terminal capability value set, with candidates for the first terminal capability value set including K1 terminal capability values, and the second information block indicating multiple first-type time values, and the first information block and the second information block both indicating a first time value; and transmits a reference signal in each SRS resource of a first time-frequency resource set, the first time-frequency resource set comprising at least one SRS resource; the first time-frequency resource set is known at a location-based service center, and a transmission timing error of a reference signal transmitted in any SRS resource of the first time-frequency resource set does not exceed the first time value. This application improves the accuracy of positioning measurement under multi-panel terminals and optimizes system performance.

Abstract: The present disclosure discloses a method and a device used in a communication node for wireless communications.