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 in a node used for wireless communication. A first node receives a first information element, the first information element being used for indicating a first reference power value; and receives a second information set, the second information set comprising a second information element, the second information element being used for indicating a second limit power value; and transmits a first radio signal with a first power value; a target receiver of the first radio signal includes a transmitter of the first information element, the first power value is related to a smaller value between the first reference power value and the second limit power value. Taking into account restrictions resulted from interference when adjusting a transmitting power of a desired signal, the present disclosure can address interferences that may occur in V2X system in unicast or groupcast transmission.

Abstract: A method and a device for wireless communication are disclosed. The base station transmits a first radio signal on first frequency-domain resources in a first time window, and then transmits a first signaling. The center frequency of the first frequency-domain resources is a first frequency; the first frequency-domain resources comprise X subcarrier(s); a center frequency of a first carrier to which the first frequency-domain resources belong is a second frequency; an interval between the first frequency and the second frequency in frequency domain is related to a subcarrier spacing of the X subcarrier(s); the first signaling is used to determine a feature ID of a transmitter of the first radio signal in the first carrier. The present disclosure can independently configure the center frequency of a carrier and the center frequency of a user equipment to avoid resource waste and reduce synchronization complexity.

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 discloses a method and a device in wireless communication. A User Equipment receives first information; and then transmits a first radio signal; and transmits a second radio signal. The first information comprises P1 piece(s) of configuration information, each of which is used to determine first-type resources, a first-type integer, and a first-type set; the first radio signal and the second radio signal comprises M1 first and M2 second radio sub-signal(s), respectively; the M2 is an element within a target set which is a positive integer; time-frequency resources occupied by the first radio signal belong to the first-type resources determined by first configuration information, the M1 is the first-type integer determined by the first configuration information, the target set is the first-type set determined by the first configuration information. The present disclosure provides a method of determining a number of non-grant uplink repeated transmissions while avoiding timing confusion.

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information, the first information being used to determine a target time-frequency resource pool; and then monitors a first signaling; after that, when the first signaling is detected, the communication node receives a first radio signal; a first code block is used to generated the first radio signal; time-frequency resources occupied by the first signaling comprise a first time-frequency resource, while time-frequency resources occupied by the first radio signal comprise a second time-frequency resource; whether the first radio signal can be excluded from being used for combined decoding for the first code block is dependent on whether the first time-frequency resource belongs to the target time-frequency resource pool. The present disclosure manages to improve the flexibility of buffer configurations.

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. The communication node in the present disclosure first receives first information, and then transmits a first radio signal; a length of a time interval between a start time for transmitting the first radio signal and a first reference time is equal to a sum of a first timing adjustment and a second timing adjustment, the first timing adjustment being one of X candidate timing adjustments, the X being a positive integer greater than 1; the second timing adjustment is used for determining a transmission timing of a radio signal transmitted before the first radio signal in time domain; a transmitter of the first radio signal determines the first timing adjustment out of the X candidate timing adjustments by itself. The present disclosure can improve uplink synchronization performance.

Abstract: The present disclosure discloses a method and a device in a User Equipment (UE) and a base station used for wireless communication. The UE first receives a first signaling and a second radio signal, and then transmitting a first radio signal on a sidelink. The first signaling is correlated to a first synchronization sequence. The first signaling is used for determining at least one of {first signature sequence, second synchronization sequence}. The first signature sequence is used for generating the first radio signal. The receiving timing of the second radio signal is used for determining the transmitting timing of the first radio signal. The second radio signal is associated with the second synchronization sequence. The first synchronization sequence differs from the second synchronization sequence. The first operation is transmitting, or the first operation is receiving. According to the present disclosure, both system performance and transmission efficiency are improved.

Abstract: The present disclosure provides a method and device for wireless communication in a user equipment and a base station. The user equipment receives a first information, and transmits a first wireless signal in a first time domain resource of a first sub-band. The first information is used to indicate a first parameter; the first parameter is associated with one of L spatial parameter sets; the L spatial parameter sets are respectively in one-to-one corresponding to L time domain resources; the first time domain resource is one of the L time domain resources. The L time domain resources belong to a first time window; the first information is used to determine the first time domain resource from the L time domain resources; the first parameter is used to determine a transmitting antenna port group of the first wireless signal.

Abstract: The present disclosure discloses a method and a device in a node for wireless communications. A first node judges whether the first node is in coverage; and then transmits Q second-type radio signals; herein, the Q second-type radio signals respectively comprise Q pieces of first-type information; whether each of the Q second-type radio signals can be selected as a synchronization reference is related to its comprised first-type information; the Q pieces of first-type information are independently generated, or, whether the Q pieces of first-type information are independently generated is related to whether the first node is in coverage, Q being a positive integer greater than 1. The present disclosure improves transmission reliability of Sidelink.

Abstract: The present disclosure provides a method and a device in wireless communication. In one embodiment, the UE first receives a first signaling, then receives a second signaling, and finally receives a first radio signal on target time-frequency resources; wherein the target time-frequency resources comprise time-frequency resources among second time-frequency resources other than first time-frequency resources, and the second signaling is used for determining whether the target time-frequency resources comprise the first time-frequency resources and the second time-frequency resources. The present disclosure makes effective use of the remaining time-frequency resources that transmit control information in a time interval less than 1 millisecond, thus improving resource utilization.

Abstract: The present disclosure method and device for wireless communications, comprising: operating a first data block set; and transmitting first charging information; a size of data in the first data block set is used to generate the first charging information, the first charging information comprises a first identity (ID) set, and the first ID set comprises a first ID and a second ID; the first ID is a link layer ID; the operating action is receiving, a destination ID field of a MAC header of a MAC PDU used to carry the first data block set comprises at least partial bits in a first ID, when a destination link layer ID list maintained by a node indicated by the second ID comprises the first ID. The present disclosure determines a receiver or a generator of a first data block set, which improves accuracy of charging and enriches charging types of services.

Abstract: Method and device in a node used for wireless communications. A first node receives first configuration information; transmits a first positioning reference signal on a first time-frequency resource block, transmits a second positioning reference signal on a second time-frequency resource block, and transmits a first information set; the first configuration information is used for indicating a first reference set, and any two time-frequency resource blocks in the first resource set employ a same positioning-related parameter; the first time-frequency resource block is earlier than the second time-frequency resource block in time domain; the first information set comprises a first distance, and the first distance refers to a distance from a first geographical position and a second geographical position, wherein the first geographical position is where the first node is located when transmitting the first positioning reference signal.

Abstract: A method and a device in a node used for wireless communication are disclosed in the present disclosure. A first node transmits a first sequence and a first radio signal, the first sequence being associated with the first radio signal, the first sequence being transmitted on a first random-access channel, and a first bit block being used for generating the first radio signal; receives a second radio signal, the second radio signal comprising a first information block; and transmits a second sequence and a third radio signal, the second sequence being associated with the third radio signal, and the second sequence being transmitted on a second random-access channel, the first bit block being used for generating the third radio signal; the first information block comprises a first sequence index, the first sequence index corresponds to the first sequence.

Abstract: The present disclosure provides a method and a device in node used for wireless communication. The communication node first performs X first-type measurement(s) in a target time-frequency resource pool, and the X first-type measurement(s) is (are respectively) used for acquiring X first-type measurement value(s); performs a target second-type measurement, the target second-type measurement being used for acquiring a second-type measurement value; and then transmits a first radio signal. Herein, the X first-type measurement value(s) is (are) used for the target second-type measurement, and the target time-frequency resource pool is one of Q alternative time-frequency resource pools related to a Subcarrier Spacing (SCS) of subcarriers occupied by the first radio signal; there exist two of the Q alternative time-frequency resource pools that comprise different time-frequency resources.

Abstract: A method and a device in a User Equipment (UE) and a base station for wireless communications are disclosed by the present disclosure. A first node receives T first-type radio signals; performs T access detections respectively on T sub-bands and transmits T second-type radio signals respectively in T time-frequency resource blocks; and performs Q energy detection(s) respectively in Q time sub-pool(s) on a first sub-band, through which Q detection value(s) is (are) obtained. The T sub-bands each comprise at least one same frequency point, or the T sub-bands belong to a same carrier; at least one of the T sub-bands is different from the first sub-band; the selection of the reference time-frequency resource block is related to at least one between the first sub-band and the reference sub-band; the first node is a base station, or the first node is a UE.

Abstract: Disclosed are a method and a device in a node for beam failure recovery in wireless communication. A first node receives M1 first-type reference signals, receives M2 first-type reference signals, and then transmits a first radio signal on a target radio resource. Measurements for the M1 first-type reference signals are used for generating first radio-link quality, and measurements for the M2 first-type reference signals are used for generating second radio-link quality; the first radio-link quality and the second radio-link quality are used for determining the target radio resource and the first radio signal; the target radio resource is one of a first radio resource, a second radio resource or a third radio resource; the first radio resource and the second radio resource correspond to a first index and a second index respectively; the first index is used for determining the M1 first-type reference signals.

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 disclosure discloses a method and a device in a User Equipment (UE) and a base station used for wireless communication. In one embodiment, the UE monitors a first-type signaling and a second-type signaling in first time-frequency sub-resources and second time-frequency sub-resources respectively; and transmits a first information group; wherein a first signaling is received in first time-frequency sub-resources, and the first signaling is a first-type signaling; a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell; the first information group is used for indicating whether scheduling of the first signaling is correctly received; the first signaling comprises a first field. The present disclosure can support the dynamic scheduling from multiple TRPs with non-ideal backhaul to a UE, so as to improve transmission efficiency.

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.