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 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 application discloses a method and a device in a communication node for wireless communications. A communication node receives a first signaling, the first signaling being used to determine K1 preamble resource group(s); determines a first payload; determines a first preamble resource group subset out of the K1 preamble resource group(s) according to a size of the first payload; selects a first preamble resource in the first preamble resource group subset, and transmits a first message; receives a second message; and transmits a third message on a first resource pool; the first message is associated with the first preamble resource; a first condition set is used to determine whether the first payload comprises a first sub-payload, the first sub-payload not being rejected by the first resource pool, where K1 is a positive integer no less than 1; the first condition set is related to a logical channel.

Abstract: The present disclosure provides a method and a device in a node for wireless communications. A node firstly receives a first signaling in a first link; and operates a first signal in a first link and transmits a second signal in a second link; the first signaling is used to determine a first identifier, the first identifier being used to indicate a first reference signal resource; the first reference signal resource is used to determine a spatial filter for a DMRS for a channel occupied by the first signal; the first identifier is used to determine a second identifier set; the second identifier set comprises a second identifier, the second identifier being used to indicate a second reference signal resource. The present disclosure improves the method and device for sidelink TCI design to optimize the system performance.

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 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 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.

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 disclosure provides a method and a device in a communication node for wireless communication. The communication node first receives first information and second information, and then transmits a first radio signal in W1 time sub-window(s); the first information is used for determining X candidate time window(s), any one of the X candidate time window(s) has a time length equal to a first time length, and the first time length is fixed; for a subcarrier spacing of a subcarrier occupied by the first radio signal, one of the X candidate time window(s) comprises Y candidate time sub-window(s), and the Y is related to the subcarrier spacing of the subcarrier occupied by the first radio signal; the second information is used for indicating W candidate time sub-window(s) out of the Y candidate time sub-window(s); and each of the W1 time sub-window(s) is one of the W candidate time sub-window(s).

Abstract: Disclosure provides a method and device in a node for wireless communications. A first node receives a first signaling; monitors a first-type channel in a first resource pool set; the first signaling is used to determine a target time and a first reference signal; a first resource pool subset and a second resource pool subset are respectively subsets of the first resource pool set; after the target time, for the monitoring in the target resource pool subset, the first node assumes same QCL parameters as the first reference signal; when the first reference signal belongs to the first reference signal set, the target resource pool subset is the first resource pool subset; and when the first reference signal belongs to the second reference signal set, the target resource pool subset is the second resource pool subset; when an updated beam is a beam of an adjacent cell.

Abstract: The present application discloses a method and a device in a communication node used for wireless communications. A communication node receives a first signaling; the first signaling being used to determine a first measurement configuration set, the first measurement configuration set being associated with a first index; and receives a second signaling, the second signaling being used to determine a first conditional configuration set, the first conditional configuration set comprising the first index; when the first conditional configuration set comes from a first entity, performs a measurement according to the first measurement configuration set; when the first conditional configuration set comes from a second entity, performs a measurement according to a second measurement configuration set. The present application can support simultaneous CPC configurations by both MN and SN.

Abstract: The present application discloses a method and a device for wireless communications, comprising: transmitting a first data block; QoS information of the first data block being used for the action of transmitting a first data block; herein a first data block set comprises the first data block and a second data block; any data block comprised in the first data block set is linked with a first QoS flow; the QoS information of the first data block is different from QoS information of the second data block; the QoS information of the first data block comprises a delay requirement; and the QoS information of the second data block comprises a delay requirement; any data block in the first data block set is generated by a same protocol layer. With the QoS information the present application offers the transmission flexibility for more diverse and complicated services.

Abstract: The present disclosure provides a method and a device in a first node for wireless communication. The first node first performs a monitoring on first-type signalings, in which K1 first-type signalings are detected; and then transmits a first radio signal in a first time-frequency resource set; each of the K1 first-type signalings is associated to the first time-frequency resource set; a first signaling is a last first-type signaling of the K1 first-type signaling; the first radio signal is used for determining the receiving of first-type signaling(s) associated to the first time-frequency resource set before the first signaling; or is used for determining the decoding of bit blocks scheduled by the K1 first-type signalings. With the above-mentioned designs, the present disclosure manages to address missed detection of sidelink scheduling signaling caused when a data receiver sends NACK-only feedback in V2X, thereby further improving the entire system performance.

Abstract: Disclosure discloses method and device in a node used for wireless communication. A first node receives a first information block and a first signaling; and operates a first signal. The first information block is used for determining M first-type indexes out of N first-type indexes; the M first-type indexes are used for determining M1 information elements out of N1 information elements, and for determining M2 information elements out of N2 information elements; the first signaling comprises scheduling information of the first signal, and a first information element is used for determining Rx/Tx parameters of the first signal; when the operating is receiving, the first signaling indicates the first information element out of the M1 information elements; when the operating is transmitting, the first signaling indicates the first information element out of the M2 information elements. The above method streamlines beam management and improves the performance of uplink data transmission.

Abstract: The present application provides a method and device used for wireless communications. A first node receives a first paging message; as a response to receiving the first paging message, monitors a first signaling in a first time window, the first signaling is used to indicate resuming a first radio bearer set; executes a first action at least according to whether the first signaling is received; herein, the behavior of executing a first action at least according to whether the first signaling is received comprises: when the first signaling is received and an uplink time is aligned, the first action is transmitting a first feedback message; when the first signaling is received and an uplink time is not aligned, or when the first signaling is not received, the first action is executing a first random access procedure. The present application effectively supports small data transmission.

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.

Abstract: The present disclosure provides a method and device used in nodes for wireless communications. The node firstly receives K information blocks, K being a positive integer greater than 1, each of the K information blocks comprises a first-type index and at least one second-type index; and then receives a first signaling and a second signaling respectively in a first resource set and a second resource set; and transmits first UCI in a physical layer channel on a first cell, the first cell being capable of bearing a HARQ-ACK associated with the first signaling; the first UCI comprises a HARQ-ACK associated with a second signaling. The present disclosure improves the method and device for design of HARQ-ACK codebook grouping to optimize the system performance.

Abstract: The present application discloses a method and a device in a communication node for wireless communications. A communication node receives a first message; and as a response to the action of receiving a first message, starts a first timer; and determines whether to transmit a second message at a first time according to whether a packet is to be transmitted via a first data radio bearer; the first message is an RRC signaling, where a name of the first message includes RRC and Release, the first message indicating a first expiration value of the first timer; a time interval from the first time to the starting action of the first timer is no smaller than the first expiration value of the first timer. The present application proposes a scheme of canceling the performance of RNA update in Small Data transmission for guaranteeing the transmission of small data packets.

Abstract: Disclose provides a method and device in a node for wireless communications. A first node receives a first target signal set; determines first target link failure according to a measurement performed on the first target signal set; as a response to the behavior of determining first target link failure, starts a first target link recovery procedure. When the first target signal set comprises a first signal set, the first target link recovery procedure is a first link recovery procedure; when the first target signal set comprises a second signal set, the first target link recovery procedure is a second link recovery procedure; the first signal set and the second signal set respectively comprise at least one reference signal associated with a first cell, and there exists at least one reference signal only belonging to one of the first signal set and the second signal set.

Abstract: Present application provides a method and a device used in communication node for wireless communications. A communication node receives a first signaling, the first signaling being used to determine a first TA, determines an uplink transmission timing for a first resource group according to at least the first TA, and starts or restarts a first timer, where a running status of the first timer is used to determine whether uplinks associated with the first resource group are aligned; receives a second signaling, the second signaling being used to determine a second TA, determines an uplink transmission timing for a second resource group according to at least the first TA and the second TA; the first resource group and the second resource group are both associated with a first cell; the first resource group comprises at least one radio resource; the second resource group comprises at least one radio resource.