Abstract: The present disclosure discloses a method and device used in wireless communication node. A first node receives first information and second information via an air interface, the first information indicating a first time offset value, and the second information indicating a first time-domain resource relative to a first instant of time; the first instant of time is associated with a first time unit. By designing the first time offset value in the present disclosure, whenever a terminal A expects a terminal B to transmit, the terminal B is able to transmit according to a timing obtained by itself and there is no need for multiple interactions between these terminals to acquire a timing advance (TA), thus improving radio signal transmission efficiency on sidelink in IOT and V2X systems and the system's overall performance.

Abstract: The present application provides a method and device for wireless communications, comprising as a response to a first event, measuring first reference RSRP; executing a link quality evaluation based on a first measurement criterion; wherein when a difference value between the first reference RSRP and current RSRP is less than a first threshold, the first measurement criterion is satisfied; when a difference value between the first reference RSRP and the current RSRP is not less than a first threshold, the first measurement criterion is not satisfied; the meaning of the phrase of executing a link quality evaluation based on a first measurement criterion comprises: when the first measurement criterion is satisfied, an evaluation on first radio link quality is completed within a first evaluation period. The present application can better save electricity through the first measurement criterion.

Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE receives first information, the first information is used to indicate K sub-band(s); the UE performs first access detection, or performs second access detection; transmits or drops transmitting a first radio signal in the first sub-band. If the first sub-band is one of K sub-band(s) and time domain resources occupied by the first radio signal belong to a first time window, the first access detection is performed, the first access detection is used to determine whether the first radio signal is transmitted in the first sub-band; the second access detection is used to determine whether the first radio signal is transmitted in the first sub-band; the detection time of the first access detection is less than that of the second access detection.

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 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 User Equipment (UE) and a base station for wireless communication. The UE receives a first signaling. Transmits K radio signals and a first bit block in K time-frequency resource groups. The first signaling is used for determining a first time-frequency resource group. The first time-frequency resource group is reserved to transmission of a first bit block; time-domain resources occupied by the first time-frequency resource group are overlapping with time-domain resources occupied by at least one of the K time-frequency resource groups, and any two of the K time-frequency resource groups are orthogonal in time domain; the first bit block is transmitted in only K1 time-frequency resource group(s) among the K time-frequency resource groups; the first signaling corresponds to a first type or a second type is used for determining the K1 time-frequency resource group(s) from the K time-frequency resource groups.

Abstract: The present disclosure provides a method and a device used in User Equipment (UE) and base station for wireless communication. The UE receives first information, the first information being used to indicate M frequency-domain resource blocks in N frequency subbands; performs a channel access detection on the N frequency subbands, the channel access detection is used to determine that N1 frequency subband(s) out of the N frequency subbands is(are) idle; then transmits a first radio signal in M1 frequency-domain resource block(s) in the N1 frequency subband(s); the M1 frequency-domain resource block(s) is(are) M1 frequency-domain resource block(s) belonging to the N1 frequency subband(s) in the M frequency-domain resource block(s); any two of the N frequency subbands are orthogonal, and any two of the M frequency-domain resource blocks are orthogonal in frequency domain; a first power value is used to determine transmit power of the first radio signal.

Abstract: The present application discloses a method and a device for wireless communications, including: receiving a first signaling; and as a response to receiving the first signaling, resetting a first power control adjustment state to 0; and transmitting a first radio signal with a first power; herein, the first signaling is a physical layer signaling, or the first signaling is a MAC layer signaling; the first signaling is used to indicate a first RS resource group; the first power control adjustment state is used for calculating the first power. The present application can be more energy-saving through indication of the first signaling.

Abstract: Method and device for wireless communications. A node receives a first information block; the node transmits a first PUCCH; the first information block determines a first scrambling sequence; the first PUCCH carries a first bit block and a second bit block; a number of bit(s) comprised in the first bit block is not greater than 2; a sum of a number of bit(s) comprised in the first bit block and the second bit block is greater than 2; a priority index of the first bit block is equal to a first priority index, a priority index of the second bit block is equal to a second priority index, and the first priority index and the second priority index are not equal; the first bit block and the second bit block are used together to generate a first bit sequence. Present application improves the link performance of the PUCCH.

Abstract: The present application discloses a method and a device for wireless communications. A first node receives a first message, the first message being used for configuring a first RLC entity and a second RLC entity; and transmits a first data unit set via the second RLC entity; and as a response to any condition in a first condition set being satisfied, starts to transmit a second data unit set via the first RLC entity; herein, each data unit comprised by the second RLC entity is transmitted via a second link in an air interface; the first condition set comprises that the second link is failed; each data unit comprised by the first RLC entity is transmitted via a first link in an air interface. The present application can enhance the robustness of data transmission with energy being saved.

Abstract: The application provides a method and device in a node for wireless communications. A node receives a first information block and receives a first DCI format, the first information block is used to determine the first DCI format; the node transmits a first PUSCH, a waveform adopted by the first PUSCH is a target waveform, the target waveform is one of X1 candidate waveforms; the first DCI format at least comprises a first field and a second field, and a value of the first field is used to determine the target waveform; a target power value is equal to a transmission power value of the first PUSCH, and the target power value is equal to a smaller value between a first upper limit value or a first power value. The present application improves the transmission performance of uplink.

Abstract: The present disclosure provides a method and device used in a communication node for wireless communications. a first receiver, generates first information, and the first information indicates a buffer state of a first serving cell group; and a first transmitter, when the first serving cell group is in an active state, transmits the first information through the first serving cell group; and when the first serving cell group is in an inactive state, transmits the first information through the second serving cell group; wherein the first serving cell group and the second serving cell group are respectively an SCG and an MCG. The present application activates a first cell group by timely transmitting buffer status by an MCG in active state, thereby reducing the delay for data transmission on a first cell group.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE first receives a first radio signal and a second radio signal, and then transmits a third radio signal. The first radio signal is used for determining a first signature sequence, and a receiving timing of the second radio signal is used for determining a transmitting timing of the third radio signal. The first signature sequence is used for generating the third radio signal. The first radio signal and the second radio signal are associated with a first synchronization sequence and a second synchronization sequence respectively, and the first synchronization sequence is different from the second synchronization sequence. According to the disclosure, through the designs of the first radio signal and the second radio signal, thereby improving system performances and transmission efficiency.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE first transmits a first radio signal, and then transmits a second radio signal; wherein the first radio signal includes M1 first radio sub-signal(s), and a first sequence is used for generating the first radio sub-signal; the second radio signal includes M2 second radio sub-signal(s), and a first bit block is used for generating the second radio sub-signal; the M1 is a positive integer, the M2 is a positive integer in a target set, and each element in the target set is a positive integer; and the target set is correlated with at least one of the M1 or the first sequence. The disclosure can save overheads caused by control information and improve spectrum efficiency of uplink transmission.

Abstract: The disclosure provides a method and a device for positioning in wireless communication. A first node transmits Q1 first-type radio signal(s) and transmits first information; wherein the Q1 first-type radio signal(s) is(are) transmitted by Q1 spatial parameter group(s) respectively; the first information includes a first Identifier (ID) and Q1 piece(s) of channel information, and the first information is used for indicating Q1 geographic position(s); the Q1 piece(s) of channel information is(are) based on a channel measurement(s) performed by a target node for the Q1 spatial parameter group(s) respectively, and the target node is identified by the first ID; and the Q1 spatial parameter group(s) cover(s) the Q1 geographic position(s) respectively. The disclosure can improve the precision of positioning and meanwhile keep a good compatibility with existing systems.

Abstract: The present disclosure provides a method and device in a node used for wireless communications. A node first receives a first signaling and a second signaling; and the first signaling is used to determine a first time-domain resource set, the second signaling is used to determine a second time-domain resource set; and then respectively transmits a first signal and a second signal in a first time-domain resource subset and a second time-domain resource subset; the first time-domain resource subset is associated with a first reference signal resource, and the second signaling is used to indicate a second reference signal resource; the first bit set is used to generate the first signal and the second signal, the second signaling is used to schedule a second bit block. The present disclosure optimizes the system performance by optimizing the transmission methods and devices when the PUCCH collides with the PUSCH.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE receives first information, and transmits a first radio signal using a first antenna port group; the first information is used for indicating a first offset set, and the first offset set includes K1 first-type offset(s); time domain resources occupied by the first radio signal start from a first time, a time interval between the first time and a second time is equal to a target offset; the UE selects the target offset from the K1 first-type offset(s) autonomously. The disclosure establishes a relationship between the first offset set and the first antenna port group, thus improving opportunities of beamforming based grant-free data transmission on unlicensed spectrum and reducing probability of collision, thereby improving spectrum efficiency and overall performances of the system.

Abstract: A method and a device are provided in a UE and a base station for wireless communication. The UE receives a first signaling, and operates a first radio signal in K time domain resource(s). The first signaling is used for determining the K time domain resource(s), K is a positive integer; the first radio signal carries a first bit block, a first time-domain-resource size and a target parameter are used for determining the size of the first bit block, at least one of the K time domain resource(s) is used for determining the first time-domain-resource size; the target parameter is a first or a second parameter; whether the target parameter is the first parameter or the second parameter is related to the first time-domain-resource size, or, whether the target parameter is the first parameter or the second parameter is related to the K; the operating action is transmitting or receiving.

Abstract: Method and device in nodes for wireless communications. A node firstly receives a first signaling in a first time-frequency resource set, the first signaling indicating a target reference signal resource; and receives a first signal in a second time-frequency resource set; a DMRS of a channel occupied by the first signal is QCL with the target reference signal resource; a target reference signal resource set comprises K1 candidate reference signal resources, with the first signaling indicating the target reference signal resource among the K1 candidate reference signal resources; at least either of frequency-domain resources occupied by the second time-frequency resource set or time-domain resources occupied by the second time-frequency resource set are used to determine the target reference signal resource set.

Abstract: Present application provides a method and a device in a communication node for wireless communications. A communication node, accompanying a first message, starts a first timer; transmits the first message, the first message comprises an RRC signaling; transmits a first field; monitors a second message, the second message comprises an RRC signaling, the second message is used to respond to the first message; as a response to any condition in a first condition set being satisfied, updates from RRC_INACTIVE state to a first RRC state; if the second message is received, stops the first timer; the first field is used to assist in determining a transmission of the second message; two conditions in the first condition set are respectively the first timer being expired and the second message being received; the present application increases the success probability of SDT transmission and reduces the power consumption of the first node.